../src/sysusers/sysusers.c

Bug Summary

File:	build-scan/../src/sysusers/sysusers.c
Warning:	line 731, column 24 Null pointer passed to 1st parameter expecting 'nonnull'
Annotated Source Code

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clang -cc1 -cc1 -triple x86_64-unknown-linux-gnu -analyze -disable-free -disable-llvm-verifier -discard-value-names -main-file-name sysusers.c -analyzer-store=region -analyzer-opt-analyze-nested-blocks -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -mrelocation-model static -mframe-pointer=all -relaxed-aliasing -menable-no-infs -menable-no-nans -menable-unsafe-fp-math -fno-signed-zeros -mreassociate -freciprocal-math -fdenormal-fp-math=preserve-sign,preserve-sign -ffp-contract=fast -fno-rounding-math -ffast-math -ffinite-math-only -mconstructor-aliases -munwind-tables -target-cpu x86-64 -tune-cpu generic -fno-split-dwarf-inlining -debugger-tuning=gdb -resource-dir /usr/lib64/clang/12.0.0 -include config.h -I systemd-sysusers.p -I . -I .. -I src/basic -I ../src/basic -I src/shared -I ../src/shared -I src/systemd -I ../src/systemd -I src/journal -I ../src/journal -I src/journal-remote -I ../src/journal-remote -I src/nspawn -I ../src/nspawn -I src/resolve -I ../src/resolve -I src/timesync -I ../src/timesync -I ../src/time-wait-sync -I src/login -I ../src/login -I src/udev -I ../src/udev -I src/libudev -I ../src/libudev -I src/core -I ../src/core -I ../src/libsystemd/sd-bus -I ../src/libsystemd/sd-device -I ../src/libsystemd/sd-hwdb -I ../src/libsystemd/sd-id128 -I ../src/libsystemd/sd-netlink -I ../src/libsystemd/sd-network -I src/libsystemd-network -I ../src/libsystemd-network -D _FILE_OFFSET_BITS=64 -internal-isystem /usr/local/include -internal-isystem /usr/lib64/clang/12.0.0/include -internal-externc-isystem /include -internal-externc-isystem /usr/include -Wwrite-strings -Wno-unused-parameter -Wno-missing-field-initializers -Wno-unused-result -Wno-format-signedness -Wno-error=nonnull -std=gnu99 -fconst-strings -fdebug-compilation-dir /home/mrc0mmand/repos/@redhat-plumbers/systemd-rhel8/build-scan -ferror-limit 19 -fvisibility hidden -stack-protector 2 -fgnuc-version=4.2.1 -fcolor-diagnostics -analyzer-output=html -faddrsig -o /tmp/scan-build-2021-07-16-221226-1465241-1 -x c ../src/sysusers/sysusers.c
1/* SPDX-License-Identifier: LGPL-2.1+ */

3#include <getopt.h>
4#include <utmp.h>

6#include "alloc-util.h"
7#include "conf-files.h"
8#include "copy.h"
9#include "def.h"
10#include "fd-util.h"
11#include "fileio-label.h"
12#include "format-util.h"
13#include "fs-util.h"
14#include "hashmap.h"
15#include "pager.h"
16#include "path-util.h"
17#include "selinux-util.h"
18#include "smack-util.h"
19#include "specifier.h"
20#include "string-util.h"
21#include "strv.h"
22#include "terminal-util.h"
23#include "uid-range.h"
24#include "user-util.h"
25#include "utf8.h"
26#include "util.h"

28typedef enum ItemType {
      ADD_USER = 'u',
      ADD_GROUP = 'g',
      ADD_MEMBER = 'm',
      ADD_RANGE = 'r',
33} ItemType;

35typedef struct Item {
      ItemType type;

      char *name;
      char *uid_path;
      char *gid_path;
      char *description;
      char *home;
      char *shell;

      gid_t gid;
      uid_t uid;

      bool_Bool gid_set:1;

      /* When set the group with the specified gid must exist
       * and the check if a uid clashes with the gid is skipped.
       */
      bool_Bool id_set_strict:1;

      bool_Bool uid_set:1;

      bool_Bool todo_user:1;
      bool_Bool todo_group:1;
59} Item;

61static char *arg_root = NULL((void*)0);
62static bool_Bool arg_cat_config = false0;
63static const char *arg_replace = NULL((void*)0);
64static bool_Bool arg_inline = false0;
65static bool_Bool arg_no_pager = false0;

67static OrderedHashmap *users = NULL((void*)0), *groups = NULL((void*)0);
68static OrderedHashmap *todo_uids = NULL((void*)0), *todo_gids = NULL((void*)0);
69static OrderedHashmap *members = NULL((void*)0);

71static Hashmap *database_uid = NULL((void*)0), *database_user = NULL((void*)0);
72static Hashmap *database_gid = NULL((void*)0), *database_group = NULL((void*)0);

74static uid_t search_uid = UID_INVALID((uid_t) -1);
75static UidRange *uid_range = NULL((void*)0);
76static unsigned n_uid_range = 0;

78static int load_user_database(void) {
      _cleanup_fclose___attribute__((cleanup(fclosep))) FILE *f = NULL((void*)0);
      const char *passwd_path;
      struct passwd *pw;
      int r;

      passwd_path = prefix_roota(arg_root, "/etc/passwd")({ const char* _path = ("/etc/passwd"), *_root = (arg_root), *
_ret; char *_p, *_n; size_t _l; while (_path[0] == '/' &&
 _path[1] == '/') _path ++; if (empty_or_root(_root)) _ret = _path
; else { _l = strlen(_root) + 1 + strlen(_path) + 1; _n = __builtin_alloca
 (_l); _p = stpcpy(_n, _root); while (_p > _n && _p
[-1] == '/') _p--; if (_path[0] != '/') *(_p++) = '/'; strcpy
(_p, _path); _ret = _n; } _ret; });
      f = fopen(passwd_path, "re");
      if (!f)
              return errno(*__errno_location ()) == ENOENT2 ? 0 : -errno(*__errno_location ());

      r = hashmap_ensure_allocated(&database_user, &string_hash_ops)internal_hashmap_ensure_allocated(&database_user, &string_hash_ops
 );
      if (r < 0)
              return r;

      r = hashmap_ensure_allocated(&database_uid, NULL)internal_hashmap_ensure_allocated(&database_uid, ((void*)
0) );
      if (r < 0)
              return r;

      while ((r = fgetpwent_sane(f, &pw)) > 0) {
              char *n;
              int k, q;

              n = strdup(pw->pw_name);
              if (!n)
                      return -ENOMEM12;

              k = hashmap_put(database_user, n, UID_TO_PTR(pw->pw_uid)((void*) (((uintptr_t) (pw->pw_uid))+1)));
              if (k < 0 && k != -EEXIST17) {
                      free(n);
                      return k;
              }

              q = hashmap_put(database_uid, UID_TO_PTR(pw->pw_uid)((void*) (((uintptr_t) (pw->pw_uid))+1)), n);
              if (q < 0 && q != -EEXIST17) {
                      if (k <= 0)
                              free(n);
                      return q;
              }

              if (k <= 0 && q <= 0)
                      free(n);
      }
      return r;
122}

124static int load_group_database(void) {
      _cleanup_fclose___attribute__((cleanup(fclosep))) FILE *f = NULL((void*)0);
      const char *group_path;
      struct group *gr;
      int r;

      group_path = prefix_roota(arg_root, "/etc/group")({ const char* _path = ("/etc/group"), *_root = (arg_root), *
_ret; char *_p, *_n; size_t _l; while (_path[0] == '/' &&
 _path[1] == '/') _path ++; if (empty_or_root(_root)) _ret = _path
; else { _l = strlen(_root) + 1 + strlen(_path) + 1; _n = __builtin_alloca
 (_l); _p = stpcpy(_n, _root); while (_p > _n && _p
[-1] == '/') _p--; if (_path[0] != '/') *(_p++) = '/'; strcpy
(_p, _path); _ret = _n; } _ret; });
      f = fopen(group_path, "re");
      if (!f)
              return errno(*__errno_location ()) == ENOENT2 ? 0 : -errno(*__errno_location ());

      r = hashmap_ensure_allocated(&database_group, &string_hash_ops)internal_hashmap_ensure_allocated(&database_group, &string_hash_ops
 );
      if (r < 0)
              return r;

      r = hashmap_ensure_allocated(&database_gid, NULL)internal_hashmap_ensure_allocated(&database_gid, ((void*)
0) );
      if (r < 0)
              return r;

      errno(*__errno_location ()) = 0;
      while ((gr = fgetgrent(f))) {
              char *n;
              int k, q;

              n = strdup(gr->gr_name);
              if (!n)
                      return -ENOMEM12;

              k = hashmap_put(database_group, n, GID_TO_PTR(gr->gr_gid)((void*) (((uintptr_t) (gr->gr_gid))+1)));
              if (k < 0 && k != -EEXIST17) {
                      free(n);
                      return k;
              }

              q = hashmap_put(database_gid, GID_TO_PTR(gr->gr_gid)((void*) (((uintptr_t) (gr->gr_gid))+1)), n);
              if (q < 0 && q != -EEXIST17) {
                      if (k <= 0)
                              free(n);
                      return q;
              }

              if (k <= 0 && q <= 0)
                      free(n);

              errno(*__errno_location ()) = 0;
      }
      if (!IN_SET(errno, 0, ENOENT)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended
[20 - sizeof((int[]){0, 2})/sizeof(int)]; switch((*__errno_location
 ())) { case 0: case 2: _found = 1; break; default: break; } _found
; }))
              return -errno(*__errno_location ());

      return 0;
174}

176static int make_backup(const char *target, const char *x) {
      _cleanup_close___attribute__((cleanup(closep))) int src = -1;
      _cleanup_fclose___attribute__((cleanup(fclosep))) FILE *dst = NULL((void*)0);
      _cleanup_free___attribute__((cleanup(freep))) char *temp = NULL((void*)0);
      char *backup;
      struct timespec ts[2];
      struct stat st;
      int r;

      src = open(x, O_RDONLY00|O_CLOEXEC02000000|O_NOCTTY0400);
      if (src < 0) {
              if (errno(*__errno_location ()) == ENOENT2) /* No backup necessary... */
                      return 0;

              return -errno(*__errno_location ());
      }

      if (fstat(src, &st) < 0)
              return -errno(*__errno_location ());

      r = fopen_temporary_label(target, x, &dst, &temp);
      if (r < 0)
              return r;

      r = copy_bytes(src, fileno(dst), (uint64_t) -1, COPY_REFLINK);
      if (r < 0)
              goto fail;

      /* Don't fail on chmod() or chown(). If it stays owned by us
       * and/or unreadable by others, then it isn't too bad... */

      backup = strjoina(x, "-")({ const char *_appendees_[] = { x, "-" }; char *_d_, *_p_; size_t
 _len_ = 0; size_t _i_; for (_i_ = 0; _i_ < __extension__ (
__builtin_choose_expr( !__builtin_types_compatible_p(typeof(_appendees_
), typeof(&*(_appendees_))), sizeof(_appendees_)/sizeof((
_appendees_)[0]), ((void)0))) && _appendees_[_i_]; _i_
++) _len_ += strlen(_appendees_[_i_]); _p_ = _d_ = __builtin_alloca
 (_len_ + 1); for (_i_ = 0; _i_ < __extension__ (__builtin_choose_expr
( !__builtin_types_compatible_p(typeof(_appendees_), typeof(&
*(_appendees_))), sizeof(_appendees_)/sizeof((_appendees_)[0]
), ((void)0))) && _appendees_[_i_]; _i_++) _p_ = stpcpy
(_p_, _appendees_[_i_]); *_p_ = 0; _d_; });

      /* Copy over the access mask */
      r = fchmod_and_chown(fileno(dst), st.st_mode & 07777, st.st_uid, st.st_gid);
      if (r < 0)
              log_warning_errno(r, "Failed to change access mode or ownership of %s: %m", backup)({ int _level = ((4)), _e = ((r)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 212, __func__, "Failed to change access mode or ownership of %s: %m"
, backup) : -abs(_e); });

      ts[0] = st.st_atim;
      ts[1] = st.st_mtim;
      if (futimens(fileno(dst), ts) < 0)
              log_warning_errno(errno, "Failed to fix access and modification time of %s: %m", backup)({ int _level = ((4)), _e = (((*__errno_location ()))), _realm
 = (LOG_REALM_SYSTEMD); (log_get_max_level_realm(_realm) >=
 ((_level) & 0x07)) ? log_internal_realm(((_realm) <<
| (_level)), _e, "../src/sysusers/sysusers.c", 217, __func__
, "Failed to fix access and modification time of %s: %m", backup
) : -abs(_e); });

      r = fflush_sync_and_check(dst);
      if (r < 0)
              goto fail;

      if (rename(temp, backup) < 0) {
              r = -errno(*__errno_location ());
              goto fail;
      }

      return 0;

230fail:
      unlink(temp);
      return r;
233}

235static int putgrent_with_members(const struct group *gr, FILE *group) {
      char **a;

      assert(gr)do { if ((__builtin_expect(!!(!(gr)),0))) log_assert_failed_realm
(LOG_REALM_SYSTEMD, ("gr"), "../src/sysusers/sysusers.c", 238
, __PRETTY_FUNCTION__); } while (0);
      assert(group)do { if ((__builtin_expect(!!(!(group)),0))) log_assert_failed_realm
(LOG_REALM_SYSTEMD, ("group"), "../src/sysusers/sysusers.c", 239
, __PRETTY_FUNCTION__); } while (0);

      a = ordered_hashmap_get(members, gr->gr_name);
      if (a) {
              _cleanup_strv_free___attribute__((cleanup(strv_freep))) char **l = NULL((void*)0);
              bool_Bool added = false0;
              char **i;

              l = strv_copy(gr->gr_mem);
              if (!l)
                      return -ENOMEM12;

              STRV_FOREACH(i, a)for ((i) = (a); (i) && *(i); (i)++) {
                      if (strv_find(l, *i))
                              continue;

                      if (strv_extend(&l, *i) < 0)
                              return -ENOMEM12;

                      added = true1;
              }

              if (added) {
                      struct group t;
                      int r;

                      strv_uniq(l);
                      strv_sort(l);

                      t = *gr;
                      t.gr_mem = l;

                      r = putgrent_sane(&t, group);
                      return r < 0 ? r : 1;
              }
      }

      return putgrent_sane(gr, group);
277}

279#if ENABLE_GSHADOW1
280static int putsgent_with_members(const struct sgrp *sg, FILE *gshadow) {
      char **a;

      assert(sg)do { if ((__builtin_expect(!!(!(sg)),0))) log_assert_failed_realm
(LOG_REALM_SYSTEMD, ("sg"), "../src/sysusers/sysusers.c", 283
, __PRETTY_FUNCTION__); } while (0);
      assert(gshadow)do { if ((__builtin_expect(!!(!(gshadow)),0))) log_assert_failed_realm
(LOG_REALM_SYSTEMD, ("gshadow"), "../src/sysusers/sysusers.c"
, 284, __PRETTY_FUNCTION__); } while (0);

      a = ordered_hashmap_get(members, sg->sg_namp);
      if (a) {
              _cleanup_strv_free___attribute__((cleanup(strv_freep))) char **l = NULL((void*)0);
              bool_Bool added = false0;
              char **i;

              l = strv_copy(sg->sg_mem);
              if (!l)
                      return -ENOMEM12;

              STRV_FOREACH(i, a)for ((i) = (a); (i) && *(i); (i)++) {
                      if (strv_find(l, *i))
                              continue;

                      if (strv_extend(&l, *i) < 0)
                              return -ENOMEM12;

                      added = true1;
              }

              if (added) {
                      struct sgrp t;
                      int r;

                      strv_uniq(l);
                      strv_sort(l);

                      t = *sg;
                      t.sg_mem = l;

                      r = putsgent_sane(&t, gshadow);
                      return r < 0 ? r : 1;
              }
      }

      return putsgent_sane(sg, gshadow);
322}
323#endif

325static int sync_rights(FILE *from, FILE *to) {
      struct stat st;

      if (fstat(fileno(from), &st) < 0)
              return -errno(*__errno_location ());

      return fchmod_and_chown(fileno(to), st.st_mode & 07777, st.st_uid, st.st_gid);
332}

334static int rename_and_apply_smack(const char *temp_path, const char *dest_path) {
      int r = 0;
      if (rename(temp_path, dest_path) < 0)
              return -errno(*__errno_location ());

339#ifdef SMACK_RUN_LABEL
      r = mac_smack_apply(dest_path, SMACK_ATTR_ACCESS, SMACK_FLOOR_LABEL"_");
      if (r < 0)
              return r;
343#endif
      return r;
345}

347static const char* default_shell(uid_t uid) {
      return uid == 0 ? "/bin/sh" : "/sbin/nologin";
349}

351static int write_temporary_passwd(const char *passwd_path, FILE **tmpfile, char **tmpfile_path) {
      _cleanup_fclose___attribute__((cleanup(fclosep))) FILE *original = NULL((void*)0), *passwd = NULL((void*)0);
      _cleanup_(unlink_and_freep)__attribute__((cleanup(unlink_and_freep))) char *passwd_tmp = NULL((void*)0);
      struct passwd *pw = NULL((void*)0);
      Iterator iterator;
      Item *i;
      int r;

      if (ordered_hashmap_size(todo_uids) == 0)
              return 0;

      r = fopen_temporary_label("/etc/passwd", passwd_path, &passwd, &passwd_tmp);
      if (r < 0)
              return r;

      original = fopen(passwd_path, "re");
      if (original) {

              r = sync_rights(original, passwd);
              if (r < 0)
                      return r;

              while ((r = fgetpwent_sane(original, &pw)) > 0) {

                      i = ordered_hashmap_get(users, pw->pw_name);
                      if (i && i->todo_user) {
                              log_error("%s: User \"%s\" already exists.", passwd_path, pw->pw_name)({ int _level = (((3))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 377, __func__, "%s: User \"%s\" already exists."
, passwd_path, pw->pw_name) : -abs(_e); });
                              return -EEXIST17;
                      }

                      if (ordered_hashmap_contains(todo_uids, UID_TO_PTR(pw->pw_uid)((void*) (((uintptr_t) (pw->pw_uid))+1)))) {
                              log_error("%s: Detected collision for UID " UID_FMT ".", passwd_path, pw->pw_uid)({ int _level = (((3))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 382, __func__, "%s: Detected collision for UID "
 "%" "u" ".", passwd_path, pw->pw_uid) : -abs(_e); });
                              return -EEXIST17;
                      }

                      /* Make sure we keep the NIS entries (if any) at the end. */
                      if (IN_SET(pw->pw_name[0], '+', '-')({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended
[20 - sizeof((int[]){'+', '-'})/sizeof(int)]; switch(pw->pw_name
[0]) { case '+': case '-': _found = 1; break; default: break;
 } _found; }))
                              break;

                      r = putpwent_sane(pw, passwd);
                      if (r < 0)
                              return r;
              }
              if (r < 0)
                      return r;

      } else {
              if (errno(*__errno_location ()) != ENOENT2)
                      return -errno(*__errno_location ());
              if (fchmod(fileno(passwd), 0644) < 0)
                      return -errno(*__errno_location ());
      }

      ORDERED_HASHMAP_FOREACH(i, todo_uids, iterator)for ((iterator) = ((Iterator) { .idx = ((2147483647 *2U +1U) -
 1), .next_key = ((void*)0) }); ordered_hashmap_iterate((todo_uids
), &(iterator), (void**)&(i), ((void*)0)); ) {
              struct passwd n = {
                      .pw_name = i->name,
                      .pw_uid = i->uid,
                      .pw_gid = i->gid,
                      .pw_gecos = i->description,

                      /* "x" means the password is stored in the shadow file */
                      .pw_passwd = (char*) "x",

                      /* We default to the root directory as home */
                      .pw_dir = i->home ? i->home : (char*) "/",

                      /* Initialize the shell to nologin, with one exception:
                       * for root we patch in something special */
                      .pw_shell = i->shell ?: (char*) default_shell(i->uid),
              };

              r = putpwent_sane(&n, passwd);
              if (r < 0)
                      return r;
      }

      /* Append the remaining NIS entries if any */
      while (pw) {
              r = putpwent_sane(pw, passwd);
              if (r < 0)
                      return r;

              r = fgetpwent_sane(original, &pw);
              if (r < 0)
                      return r;
              if (r == 0)
                      break;
      }

      r = fflush_and_check(passwd);
      if (r < 0)
              return r;

      *tmpfile = TAKE_PTR(passwd)({ typeof(passwd) _ptr_ = (passwd); (passwd) = ((void*)0); _ptr_
; });
      *tmpfile_path = TAKE_PTR(passwd_tmp)({ typeof(passwd_tmp) _ptr_ = (passwd_tmp); (passwd_tmp) = ((
void*)0); _ptr_; });

      return 0;
448}

450static int write_temporary_shadow(const char *shadow_path, FILE **tmpfile, char **tmpfile_path) {
      _cleanup_fclose___attribute__((cleanup(fclosep))) FILE *original = NULL((void*)0), *shadow = NULL((void*)0);
      _cleanup_(unlink_and_freep)__attribute__((cleanup(unlink_and_freep))) char *shadow_tmp = NULL((void*)0);
      struct spwd *sp = NULL((void*)0);
      Iterator iterator;
      long lstchg;
      Item *i;
      int r;

      if (ordered_hashmap_size(todo_uids) == 0)
              return 0;

      r = fopen_temporary_label("/etc/shadow", shadow_path, &shadow, &shadow_tmp);
      if (r < 0)
              return r;

      lstchg = (long) (now(CLOCK_REALTIME0) / USEC_PER_DAY((usec_t) (24ULL*((usec_t) (60ULL*((usec_t) (60ULL*((usec_t) 1000000ULL
))))))));

      original = fopen(shadow_path, "re");
      if (original) {

              r = sync_rights(original, shadow);
              if (r < 0)
                      return r;

              while ((r = fgetspent_sane(original, &sp)) > 0) {

                      i = ordered_hashmap_get(users, sp->sp_namp);
                      if (i && i->todo_user) {
                              /* we will update the existing entry */
                              sp->sp_lstchg = lstchg;

                              /* only the /etc/shadow stage is left, so we can
                               * safely remove the item from the todo set */
                              i->todo_user = false0;
                              ordered_hashmap_remove(todo_uids, UID_TO_PTR(i->uid)((void*) (((uintptr_t) (i->uid))+1)));
                      }

                      /* Make sure we keep the NIS entries (if any) at the end. */
                      if (IN_SET(sp->sp_namp[0], '+', '-')({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended
[20 - sizeof((int[]){'+', '-'})/sizeof(int)]; switch(sp->sp_namp
[0]) { case '+': case '-': _found = 1; break; default: break;
 } _found; }))
                              break;

                      r = putspent_sane(sp, shadow);
                      if (r < 0)
                              return r;
              }
              if (r < 0)
                      return r;

      } else {
              if (errno(*__errno_location ()) != ENOENT2)
                      return -errno(*__errno_location ());
              if (fchmod(fileno(shadow), 0000) < 0)
                      return -errno(*__errno_location ());
      }

      ORDERED_HASHMAP_FOREACH(i, todo_uids, iterator)for ((iterator) = ((Iterator) { .idx = ((2147483647 *2U +1U) -
 1), .next_key = ((void*)0) }); ordered_hashmap_iterate((todo_uids
), &(iterator), (void**)&(i), ((void*)0)); ) {
              struct spwd n = {
                      .sp_namp = i->name,
                      .sp_pwdp = (char*) "!!",
                      .sp_lstchg = lstchg,
                      .sp_min = -1,
                      .sp_max = -1,
                      .sp_warn = -1,
                      .sp_inact = -1,
                      .sp_expire = -1,
                      .sp_flag = (unsigned long) -1, /* this appears to be what everybody does ... */
              };

              r = putspent_sane(&n, shadow);
              if (r < 0)
                      return r;
      }

      /* Append the remaining NIS entries if any */
      while (sp) {
              r = putspent_sane(sp, shadow);
              if (r < 0)
                      return r;

              r = fgetspent_sane(original, &sp);
              if (r < 0)
                      return r;
              if (r == 0)
                      break;
      }
      if (!IN_SET(errno, 0, ENOENT)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended
[20 - sizeof((int[]){0, 2})/sizeof(int)]; switch((*__errno_location
 ())) { case 0: case 2: _found = 1; break; default: break; } _found
; }))
              return -errno(*__errno_location ());

      r = fflush_sync_and_check(shadow);
      if (r < 0)
              return r;

      *tmpfile = TAKE_PTR(shadow)({ typeof(shadow) _ptr_ = (shadow); (shadow) = ((void*)0); _ptr_
; });
      *tmpfile_path = TAKE_PTR(shadow_tmp)({ typeof(shadow_tmp) _ptr_ = (shadow_tmp); (shadow_tmp) = ((
void*)0); _ptr_; });

      return 0;
547}

549static int write_temporary_group(const char *group_path, FILE **tmpfile, char **tmpfile_path) {
      _cleanup_fclose___attribute__((cleanup(fclosep))) FILE *original = NULL((void*)0), *group = NULL((void*)0);
      _cleanup_(unlink_and_freep)__attribute__((cleanup(unlink_and_freep))) char *group_tmp = NULL((void*)0);
      bool_Bool group_changed = false0;
      struct group *gr = NULL((void*)0);
      Iterator iterator;
      Item *i;
      int r;

      if (ordered_hashmap_size(todo_gids) == 0 && ordered_hashmap_size(members) == 0)
              return 0;

      r = fopen_temporary_label("/etc/group", group_path, &group, &group_tmp);
      if (r < 0)
              return r;

      original = fopen(group_path, "re");
      if (original) {

              r = sync_rights(original, group);
              if (r < 0)
                      return r;

              while ((r = fgetgrent_sane(original, &gr)) > 0) {
                      /* Safety checks against name and GID collisions. Normally,
                       * this should be unnecessary, but given that we look at the
                       * entries anyway here, let's make an extra verification
                       * step that we don't generate duplicate entries. */

                      i = ordered_hashmap_get(groups, gr->gr_name);
                      if (i && i->todo_group) {
                              log_error("%s: Group \"%s\" already exists.", group_path, gr->gr_name)({ int _level = (((3))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 580, __func__, "%s: Group \"%s\" already exists."
, group_path, gr->gr_name) : -abs(_e); });
                              return -EEXIST17;
                      }

                      if (ordered_hashmap_contains(todo_gids, GID_TO_PTR(gr->gr_gid)((void*) (((uintptr_t) (gr->gr_gid))+1)))) {
                              log_error("%s: Detected collision for GID " GID_FMT ".", group_path, gr->gr_gid)({ int _level = (((3))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 585, __func__, "%s: Detected collision for GID "
 "%" "u" ".", group_path, gr->gr_gid) : -abs(_e); });
                              return  -EEXIST17;
                      }

                      /* Make sure we keep the NIS entries (if any) at the end. */
                      if (IN_SET(gr->gr_name[0], '+', '-')({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended
[20 - sizeof((int[]){'+', '-'})/sizeof(int)]; switch(gr->gr_name
[0]) { case '+': case '-': _found = 1; break; default: break;
 } _found; }))
                              break;

                      r = putgrent_with_members(gr, group);
                      if (r < 0)
                              return r;
                      if (r > 0)
                              group_changed = true1;
              }
              if (r < 0)
                      return r;

      } else {
              if (errno(*__errno_location ()) != ENOENT2)
                      return -errno(*__errno_location ());
              if (fchmod(fileno(group), 0644) < 0)
                      return -errno(*__errno_location ());
      }

      ORDERED_HASHMAP_FOREACH(i, todo_gids, iterator)for ((iterator) = ((Iterator) { .idx = ((2147483647 *2U +1U) -
 1), .next_key = ((void*)0) }); ordered_hashmap_iterate((todo_gids
), &(iterator), (void**)&(i), ((void*)0)); ) {
              struct group n = {
                      .gr_name = i->name,
                      .gr_gid = i->gid,
                      .gr_passwd = (char*) "x",
              };

              r = putgrent_with_members(&n, group);
              if (r < 0)
                      return r;

              group_changed = true1;
      }

      /* Append the remaining NIS entries if any */
      while (gr) {
              r = putgrent_sane(gr, group);
              if (r < 0)
                      return r;

              r = fgetgrent_sane(original, &gr);
              if (r < 0)
                      return r;
              if (r == 0)
                      break;
      }

      r = fflush_sync_and_check(group);
      if (r < 0)
              return r;

      if (group_changed) {
              *tmpfile = TAKE_PTR(group)({ typeof(group) _ptr_ = (group); (group) = ((void*)0); _ptr_
; });
              *tmpfile_path = TAKE_PTR(group_tmp)({ typeof(group_tmp) _ptr_ = (group_tmp); (group_tmp) = ((void
*)0); _ptr_; });
      }
      return 0;
645}

647static int write_temporary_gshadow(const char * gshadow_path, FILE **tmpfile, char **tmpfile_path) {
648#if ENABLE_GSHADOW1
      _cleanup_fclose___attribute__((cleanup(fclosep))) FILE *original = NULL((void*)0), *gshadow = NULL((void*)0);
      _cleanup_(unlink_and_freep)__attribute__((cleanup(unlink_and_freep))) char *gshadow_tmp = NULL((void*)0);
      bool_Bool group_changed = false0;
      Iterator iterator;
      Item *i;
      int r;

      if (ordered_hashmap_size(todo_gids) == 0 && ordered_hashmap_size(members) == 0)
              return 0;

      r = fopen_temporary_label("/etc/gshadow", gshadow_path, &gshadow, &gshadow_tmp);
      if (r < 0)
              return r;

      original = fopen(gshadow_path, "re");
      if (original) {
              struct sgrp *sg;

              r = sync_rights(original, gshadow);
              if (r < 0)
                      return r;

              while ((r = fgetsgent_sane(original, &sg)) > 0) {

                      i = ordered_hashmap_get(groups, sg->sg_namp);
                      if (i && i->todo_group) {
                              log_error("%s: Group \"%s\" already exists.", gshadow_path, sg->sg_namp)({ int _level = (((3))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 675, __func__, "%s: Group \"%s\" already exists."
, gshadow_path, sg->sg_namp) : -abs(_e); });
                              return -EEXIST17;
                      }

                      r = putsgent_with_members(sg, gshadow);
                      if (r < 0)
                              return r;
                      if (r > 0)
                              group_changed = true1;
              }
              if (r < 0)
                      return r;

      } else {
              if (errno(*__errno_location ()) != ENOENT2)
                      return -errno(*__errno_location ());
              if (fchmod(fileno(gshadow), 0000) < 0)
                      return -errno(*__errno_location ());
      }

      ORDERED_HASHMAP_FOREACH(i, todo_gids, iterator)for ((iterator) = ((Iterator) { .idx = ((2147483647 *2U +1U) -
 1), .next_key = ((void*)0) }); ordered_hashmap_iterate((todo_gids
), &(iterator), (void**)&(i), ((void*)0)); ) {
              struct sgrp n = {
                      .sg_namp = i->name,
                      .sg_passwd = (char*) "!!",
              };

              r = putsgent_with_members(&n, gshadow);
              if (r < 0)
                      return r;

              group_changed = true1;
      }

      r = fflush_sync_and_check(gshadow);
      if (r < 0)
              return r;

      if (group_changed) {
              *tmpfile = TAKE_PTR(gshadow)({ typeof(gshadow) _ptr_ = (gshadow); (gshadow) = ((void*)0);
 _ptr_; });
              *tmpfile_path = TAKE_PTR(gshadow_tmp)({ typeof(gshadow_tmp) _ptr_ = (gshadow_tmp); (gshadow_tmp) =
 ((void*)0); _ptr_; });
      }
      return 0;
717#else
      return 0;
719#endif
720}

722static int write_files(void) {
      _cleanup_fclose___attribute__((cleanup(fclosep))) FILE *passwd = NULL((void*)0), *group = NULL((void*)0), *shadow = NULL((void*)0), *gshadow = NULL((void*)0);
      _cleanup_(unlink_and_freep)__attribute__((cleanup(unlink_and_freep))) char *passwd_tmp = NULL((void*)0), *group_tmp = NULL((void*)0), *shadow_tmp = NULL((void*)0), *gshadow_tmp = NULL((void*)0);
      const char *passwd_path = NULL((void*)0), *group_path = NULL((void*)0), *shadow_path = NULL((void*)0), *gshadow_path = NULL((void*)0);
      int r;

      passwd_path = prefix_roota(arg_root, "/etc/passwd")({ const char* _path = ("/etc/passwd"), *_root = (arg_root), *
_ret; char *_p, *_n; size_t _l; while (_path[0] == '/' &&
 _path[1] == '/') _path ++; if (empty_or_root(_root)) _ret = _path
; else { _l = strlen(_root) + 1 + strlen(_path) + 1; _n = __builtin_alloca
 (_l); _p = stpcpy(_n, _root); while (_p > _n && _p
[-1] == '/') _p--; if (_path[0] != '/') *(_p++) = '/'; strcpy
(_p, _path); _ret = _n; } _ret; });
23
←
Loop condition is false. Execution continues on line 728→
24
←
Assuming the condition is true→
25
←
Taking true branch→
      shadow_path = prefix_roota(arg_root, "/etc/shadow")({ const char* _path = ("/etc/shadow"), *_root = (arg_root), *
_ret; char *_p, *_n; size_t _l; while (_path[0] == '/' &&
 _path[1] == '/') _path ++; if (empty_or_root(_root)) _ret = _path
; else { _l = strlen(_root) + 1 + strlen(_path) + 1; _n = __builtin_alloca
 (_l); _p = stpcpy(_n, _root); while (_p > _n && _p
[-1] == '/') _p--; if (_path[0] != '/') *(_p++) = '/'; strcpy
(_p, _path); _ret = _n; } _ret; });
26
←
Loop condition is false. Execution continues on line 729→
27
←
Assuming the condition is true→
28
←
Taking true branch→
      group_path = prefix_roota(arg_root, "/etc/group")({ const char* _path = ("/etc/group"), *_root = (arg_root), *
_ret; char *_p, *_n; size_t _l; while (_path[0] == '/' &&
 _path[1] == '/') _path ++; if (empty_or_root(_root)) _ret = _path
; else { _l = strlen(_root) + 1 + strlen(_path) + 1; _n = __builtin_alloca
 (_l); _p = stpcpy(_n, _root); while (_p > _n && _p
[-1] == '/') _p--; if (_path[0] != '/') *(_p++) = '/'; strcpy
(_p, _path); _ret = _n; } _ret; });
29
←
Loop condition is false. Execution continues on line 730→
30
←
Assuming the condition is true→
31
←
Taking true branch→
      gshadow_path = prefix_roota(arg_root, "/etc/gshadow")({ const char* _path = ("/etc/gshadow"), *_root = (arg_root),
 *_ret; char *_p, *_n; size_t _l; while (_path[0] == '/' &&
 _path[1] == '/') _path ++; if (empty_or_root(_root)) _ret = _path
; else { _l = strlen(_root) + 1 + strlen(_path) + 1; _n = __builtin_alloca
 (_l); _p = stpcpy(_n, _root); while (_p > _n && _p
[-1] == '/') _p--; if (_path[0] != '/') *(_p++) = '/'; strcpy
(_p, _path); _ret = _n; } _ret; });
32
←
'_root' initialized to a null pointer value→
33
←
Loop condition is false. Execution continues on line 731→
34
←
Assuming the condition is false→
35
←
Taking false branch→
36
←
Null pointer passed to 1st parameter expecting 'nonnull'

      r = write_temporary_group(group_path, &group, &group_tmp);
      if (r < 0)
              return r;

      r = write_temporary_gshadow(gshadow_path, &gshadow, &gshadow_tmp);
      if (r < 0)
              return r;

      r = write_temporary_passwd(passwd_path, &passwd, &passwd_tmp);
      if (r < 0)
              return r;

      r = write_temporary_shadow(shadow_path, &shadow, &shadow_tmp);
      if (r < 0)
              return r;

      /* Make a backup of the old files */
      if (group) {
              r = make_backup("/etc/group", group_path);
              if (r < 0)
                      return r;
      }
      if (gshadow) {
              r = make_backup("/etc/gshadow", gshadow_path);
              if (r < 0)
                      return r;
      }

      if (passwd) {
              r = make_backup("/etc/passwd", passwd_path);
              if (r < 0)
                      return r;
      }
      if (shadow) {
              r = make_backup("/etc/shadow", shadow_path);
              if (r < 0)
                      return r;
      }

      /* And make the new files count */
      if (group) {
              r = rename_and_apply_smack(group_tmp, group_path);
              if (r < 0)
                      return r;

              group_tmp = mfree(group_tmp);
      }
      if (gshadow) {
              r = rename_and_apply_smack(gshadow_tmp, gshadow_path);
              if (r < 0)
                      return r;

              gshadow_tmp = mfree(gshadow_tmp);
      }

      if (passwd) {
              r = rename_and_apply_smack(passwd_tmp, passwd_path);
              if (r < 0)
                      return r;

              passwd_tmp = mfree(passwd_tmp);
      }
      if (shadow) {
              r = rename_and_apply_smack(shadow_tmp, shadow_path);
              if (r < 0)
                      return r;

              shadow_tmp = mfree(shadow_tmp);
      }

      return 0;
804}

806static int uid_is_ok(uid_t uid, const char *name, bool_Bool check_with_gid) {
      struct passwd *p;
      struct group *g;
      const char *n;
      Item *i;

      /* Let's see if we already have assigned the UID a second time */
      if (ordered_hashmap_get(todo_uids, UID_TO_PTR(uid)((void*) (((uintptr_t) (uid))+1))))
              return 0;

      /* Try to avoid using uids that are already used by a group
       * that doesn't have the same name as our new user. */
      if (check_with_gid) {
              i = ordered_hashmap_get(todo_gids, GID_TO_PTR(uid)((void*) (((uintptr_t) (uid))+1)));
              if (i && !streq(i->name, name)(strcmp((i->name),(name)) == 0))
                      return 0;
      }

      /* Let's check the files directly */
      if (hashmap_contains(database_uid, UID_TO_PTR(uid)((void*) (((uintptr_t) (uid))+1))))
              return 0;

      if (check_with_gid) {
              n = hashmap_get(database_gid, GID_TO_PTR(uid)((void*) (((uintptr_t) (uid))+1)));
              if (n && !streq(n, name)(strcmp((n),(name)) == 0))
                      return 0;
      }

      /* Let's also check via NSS, to avoid UID clashes over LDAP and such, just in case */
      if (!arg_root) {
              errno(*__errno_location ()) = 0;
              p = getpwuid(uid);
              if (p)
                      return 0;
              if (!IN_SET(errno, 0, ENOENT)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended
[20 - sizeof((int[]){0, 2})/sizeof(int)]; switch((*__errno_location
 ())) { case 0: case 2: _found = 1; break; default: break; } _found
; }))
                      return -errno(*__errno_location ());

              if (check_with_gid) {
                      errno(*__errno_location ()) = 0;
                      g = getgrgid((gid_t) uid);
                      if (g) {
                              if (!streq(g->gr_name, name)(strcmp((g->gr_name),(name)) == 0))
                                      return 0;
                      } else if (!IN_SET(errno, 0, ENOENT)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended
[20 - sizeof((int[]){0, 2})/sizeof(int)]; switch((*__errno_location
 ())) { case 0: case 2: _found = 1; break; default: break; } _found
; }))
                              return -errno(*__errno_location ());
              }
      }

      return 1;
855}

857static int root_stat(const char *p, struct stat *st) {
      const char *fix;

      fix = prefix_roota(arg_root, p)({ const char* _path = (p), *_root = (arg_root), *_ret; char *
_p, *_n; size_t _l; while (_path[0] == '/' && _path[1
] == '/') _path ++; if (empty_or_root(_root)) _ret = _path; else
 { _l = strlen(_root) + 1 + strlen(_path) + 1; _n = __builtin_alloca
 (_l); _p = stpcpy(_n, _root); while (_p > _n && _p
[-1] == '/') _p--; if (_path[0] != '/') *(_p++) = '/'; strcpy
(_p, _path); _ret = _n; } _ret; });
      if (stat(fix, st) < 0)
              return -errno(*__errno_location ());

      return 0;
865}

867static int read_id_from_file(Item *i, uid_t *_uid, gid_t *_gid) {
      struct stat st;
      bool_Bool found_uid = false0, found_gid = false0;
      uid_t uid = 0;
      gid_t gid = 0;

      assert(i)do { if ((__builtin_expect(!!(!(i)),0))) log_assert_failed_realm
(LOG_REALM_SYSTEMD, ("i"), "../src/sysusers/sysusers.c", 873,
 __PRETTY_FUNCTION__); } while (0);

      /* First, try to get the gid directly */
      if (_gid && i->gid_path && root_stat(i->gid_path, &st) >= 0) {
              gid = st.st_gid;
              found_gid = true1;
      }

      /* Then, try to get the uid directly */
      if ((_uid || (_gid && !found_gid))
          && i->uid_path
          && root_stat(i->uid_path, &st) >= 0) {

              uid = st.st_uid;
              found_uid = true1;

              /* If we need the gid, but had no success yet, also derive it from the uid path */
              if (_gid && !found_gid) {
                      gid = st.st_gid;
                      found_gid = true1;
              }
      }

      /* If that didn't work yet, then let's reuse the gid as uid */
      if (_uid && !found_uid && i->gid_path) {

              if (found_gid) {
                      uid = (uid_t) gid;
                      found_uid = true1;
              } else if (root_stat(i->gid_path, &st) >= 0) {
                      uid = (uid_t) st.st_gid;
                      found_uid = true1;
              }
      }

      if (_uid) {
              if (!found_uid)
                      return 0;

              *_uid = uid;
      }

      if (_gid) {
              if (!found_gid)
                      return 0;

              *_gid = gid;
      }

      return 1;
923}

925static int add_user(Item *i) {
      void *z;
      int r;

      assert(i)do { if ((__builtin_expect(!!(!(i)),0))) log_assert_failed_realm
(LOG_REALM_SYSTEMD, ("i"), "../src/sysusers/sysusers.c", 929,
 __PRETTY_FUNCTION__); } while (0);

      /* Check the database directly */
      z = hashmap_get(database_user, i->name);
      if (z) {
              log_debug("User %s already exists.", i->name)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 934, __func__, "User %s already exists."
, i->name) : -abs(_e); });
              i->uid = PTR_TO_UID(z)((uid_t) (((uintptr_t) (z))-1));
              i->uid_set = true1;
              return 0;
      }

      if (!arg_root) {
              struct passwd *p;

              /* Also check NSS */
              errno(*__errno_location ()) = 0;
              p = getpwnam(i->name);
              if (p) {
                      log_debug("User %s already exists.", i->name)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 947, __func__, "User %s already exists."
, i->name) : -abs(_e); });
                      i->uid = p->pw_uid;
                      i->uid_set = true1;

                      r = free_and_strdup(&i->description, p->pw_gecos);
                      if (r < 0)
                              return log_oom()log_oom_internal(LOG_REALM_SYSTEMD, "../src/sysusers/sysusers.c"
, 953, __func__);

                      return 0;
              }
              if (!IN_SET(errno, 0, ENOENT)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended
[20 - sizeof((int[]){0, 2})/sizeof(int)]; switch((*__errno_location
 ())) { case 0: case 2: _found = 1; break; default: break; } _found
; }))
                      return log_error_errno(errno, "Failed to check if user %s already exists: %m", i->name)({ int _level = ((3)), _e = (((*__errno_location ()))), _realm
 = (LOG_REALM_SYSTEMD); (log_get_max_level_realm(_realm) >=
 ((_level) & 0x07)) ? log_internal_realm(((_realm) <<
| (_level)), _e, "../src/sysusers/sysusers.c", 958, __func__
, "Failed to check if user %s already exists: %m", i->name
) : -abs(_e); });
      }

      /* Try to use the suggested numeric uid */
      if (i->uid_set) {
              r = uid_is_ok(i->uid, i->name, !i->id_set_strict);
              if (r < 0)
                      return log_error_errno(r, "Failed to verify uid " UID_FMT ": %m", i->uid)({ int _level = ((3)), _e = ((r)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 965, __func__, "Failed to verify uid "
 "%" "u" ": %m", i->uid) : -abs(_e); });
              if (r == 0) {
                      log_debug("Suggested user ID " UID_FMT " for %s already used.", i->uid, i->name)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 967, __func__, "Suggested user ID "
 "%" "u" " for %s already used.", i->uid, i->name) : -abs
(_e); });
                      i->uid_set = false0;
              }
      }

      /* If that didn't work, try to read it from the specified path */
      if (!i->uid_set) {
              uid_t c;

              if (read_id_from_file(i, &c, NULL((void*)0)) > 0) {

                      if (c <= 0 || !uid_range_contains(uid_range, n_uid_range, c))
                              log_debug("User ID " UID_FMT " of file not suitable for %s.", c, i->name)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 979, __func__, "User ID " "%"
 "u" " of file not suitable for %s.", c, i->name) : -abs(_e
); });
                      else {
                              r = uid_is_ok(c, i->name, true1);
                              if (r < 0)
                                      return log_error_errno(r, "Failed to verify uid " UID_FMT ": %m", i->uid)({ int _level = ((3)), _e = ((r)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 983, __func__, "Failed to verify uid "
 "%" "u" ": %m", i->uid) : -abs(_e); });
                              else if (r > 0) {
                                      i->uid = c;
                                      i->uid_set = true1;
                              } else
                                      log_debug("User ID " UID_FMT " of file for %s is already used.", c, i->name)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 988, __func__, "User ID " "%"
 "u" " of file for %s is already used.", c, i->name) : -abs
(_e); });
                      }
              }
      }

      /* Otherwise, try to reuse the group ID */
      if (!i->uid_set && i->gid_set) {
              r = uid_is_ok((uid_t) i->gid, i->name, true1);
              if (r < 0)
                      return log_error_errno(r, "Failed to verify uid " UID_FMT ": %m", i->uid)({ int _level = ((3)), _e = ((r)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 997, __func__, "Failed to verify uid "
 "%" "u" ": %m", i->uid) : -abs(_e); });
              if (r > 0) {
                      i->uid = (uid_t) i->gid;
                      i->uid_set = true1;
              }
      }

      /* And if that didn't work either, let's try to find a free one */
      if (!i->uid_set) {
              for (;;) {
                      r = uid_range_next_lower(uid_range, n_uid_range, &search_uid);
                      if (r < 0) {
                              log_error("No free user ID available for %s.", i->name)({ int _level = (((3))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1009, __func__, "No free user ID available for %s."
, i->name) : -abs(_e); });
                              return r;
                      }

                      r = uid_is_ok(search_uid, i->name, true1);
                      if (r < 0)
                              return log_error_errno(r, "Failed to verify uid " UID_FMT ": %m", i->uid)({ int _level = ((3)), _e = ((r)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1015, __func__, "Failed to verify uid "
 "%" "u" ": %m", i->uid) : -abs(_e); });
                      else if (r > 0)
                              break;
              }

              i->uid_set = true1;
              i->uid = search_uid;
      }

      r = ordered_hashmap_ensure_allocated(&todo_uids, NULL)internal_ordered_hashmap_ensure_allocated(&todo_uids, ((void
*)0) );
      if (r < 0)
              return log_oom()log_oom_internal(LOG_REALM_SYSTEMD, "../src/sysusers/sysusers.c"
, 1026, __func__);

      r = ordered_hashmap_put(todo_uids, UID_TO_PTR(i->uid)((void*) (((uintptr_t) (i->uid))+1)), i);
      if (r < 0)
              return log_oom()log_oom_internal(LOG_REALM_SYSTEMD, "../src/sysusers/sysusers.c"
, 1030, __func__);

      i->todo_user = true1;
      log_info("Creating user %s (%s) with uid " UID_FMT " and gid " GID_FMT ".", i->name, strna(i->description), i->uid, i->gid)({ int _level = (((6))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1033, __func__, "Creating user %s (%s) with uid "
 "%" "u" " and gid " "%" "u" ".", i->name, strna(i->description
), i->uid, i->gid) : -abs(_e); });

      return 0;
1036}

1038static int gid_is_ok(gid_t gid) {
      struct group *g;
      struct passwd *p;

      if (ordered_hashmap_get(todo_gids, GID_TO_PTR(gid)((void*) (((uintptr_t) (gid))+1))))
              return 0;

      /* Avoid reusing gids that are already used by a different user */
      if (ordered_hashmap_get(todo_uids, UID_TO_PTR(gid)((void*) (((uintptr_t) (gid))+1))))
              return 0;

      if (hashmap_contains(database_gid, GID_TO_PTR(gid)((void*) (((uintptr_t) (gid))+1))))
              return 0;

      if (hashmap_contains(database_uid, UID_TO_PTR(gid)((void*) (((uintptr_t) (gid))+1))))
              return 0;

      if (!arg_root) {
              errno(*__errno_location ()) = 0;
              g = getgrgid(gid);
              if (g)
                      return 0;
              if (!IN_SET(errno, 0, ENOENT)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended
[20 - sizeof((int[]){0, 2})/sizeof(int)]; switch((*__errno_location
 ())) { case 0: case 2: _found = 1; break; default: break; } _found
; }))
                      return -errno(*__errno_location ());

              errno(*__errno_location ()) = 0;
              p = getpwuid((uid_t) gid);
              if (p)
                      return 0;
              if (!IN_SET(errno, 0, ENOENT)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended
[20 - sizeof((int[]){0, 2})/sizeof(int)]; switch((*__errno_location
 ())) { case 0: case 2: _found = 1; break; default: break; } _found
; }))
                      return -errno(*__errno_location ());
      }

      return 1;
1072}

1074static int add_group(Item *i) {
      void *z;
      int r;

      assert(i)do { if ((__builtin_expect(!!(!(i)),0))) log_assert_failed_realm
(LOG_REALM_SYSTEMD, ("i"), "../src/sysusers/sysusers.c", 1078
, __PRETTY_FUNCTION__); } while (0);

      /* Check the database directly */
      z = hashmap_get(database_group, i->name);
      if (z) {
              log_debug("Group %s already exists.", i->name)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1083, __func__, "Group %s already exists."
, i->name) : -abs(_e); });
              i->gid = PTR_TO_GID(z)((gid_t) (((uintptr_t) (z))-1));
              i->gid_set = true1;
              return 0;
      }

      /* Also check NSS */
      if (!arg_root) {
              struct group *g;

              errno(*__errno_location ()) = 0;
              g = getgrnam(i->name);
              if (g) {
                      log_debug("Group %s already exists.", i->name)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1096, __func__, "Group %s already exists."
, i->name) : -abs(_e); });
                      i->gid = g->gr_gid;
                      i->gid_set = true1;
                      return 0;
              }
              if (!IN_SET(errno, 0, ENOENT)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended
[20 - sizeof((int[]){0, 2})/sizeof(int)]; switch((*__errno_location
 ())) { case 0: case 2: _found = 1; break; default: break; } _found
; }))
                      return log_error_errno(errno, "Failed to check if group %s already exists: %m", i->name)({ int _level = ((3)), _e = (((*__errno_location ()))), _realm
 = (LOG_REALM_SYSTEMD); (log_get_max_level_realm(_realm) >=
 ((_level) & 0x07)) ? log_internal_realm(((_realm) <<
| (_level)), _e, "../src/sysusers/sysusers.c", 1102, __func__
, "Failed to check if group %s already exists: %m", i->name
) : -abs(_e); });
      }

      /* Try to use the suggested numeric gid */
      if (i->gid_set) {
              r = gid_is_ok(i->gid);
              if (r < 0)
                      return log_error_errno(r, "Failed to verify gid " GID_FMT ": %m", i->gid)({ int _level = ((3)), _e = ((r)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1109, __func__, "Failed to verify gid "
 "%" "u" ": %m", i->gid) : -abs(_e); });
              if (i->id_set_strict) {
                      /* If we require the gid to already exist we can return here:
                       * r > 0: means the gid does not exist -> fail
                       * r == 0: means the gid exists -> nothing more to do.
                       */
                      if (r > 0) {
                              log_error("Failed to create %s: please create GID %d", i->name, i->gid)({ int _level = (((3))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1116, __func__, "Failed to create %s: please create GID %d"
, i->name, i->gid) : -abs(_e); });
                              return -EINVAL22;
                      }
                      if (r == 0)
                              return 0;
              }
              if (r == 0) {
                      log_debug("Suggested group ID " GID_FMT " for %s already used.", i->gid, i->name)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1123, __func__, "Suggested group ID "
 "%" "u" " for %s already used.", i->gid, i->name) : -abs
(_e); });
                      i->gid_set = false0;
              }
      }

      /* Try to reuse the numeric uid, if there's one */
      if (!i->gid_set && i->uid_set) {
              r = gid_is_ok((gid_t) i->uid);
              if (r < 0)
                      return log_error_errno(r, "Failed to verify gid " GID_FMT ": %m", i->gid)({ int _level = ((3)), _e = ((r)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1132, __func__, "Failed to verify gid "
 "%" "u" ": %m", i->gid) : -abs(_e); });
              if (r > 0) {
                      i->gid = (gid_t) i->uid;
                      i->gid_set = true1;
              }
      }

      /* If that didn't work, try to read it from the specified path */
      if (!i->gid_set) {
              gid_t c;

              if (read_id_from_file(i, NULL((void*)0), &c) > 0) {

                      if (c <= 0 || !uid_range_contains(uid_range, n_uid_range, c))
                              log_debug("Group ID " GID_FMT " of file not suitable for %s.", c, i->name)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1146, __func__, "Group ID " "%"
 "u" " of file not suitable for %s.", c, i->name) : -abs(_e
); });
                      else {
                              r = gid_is_ok(c);
                              if (r < 0)
                                      return log_error_errno(r, "Failed to verify gid " GID_FMT ": %m", i->gid)({ int _level = ((3)), _e = ((r)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1150, __func__, "Failed to verify gid "
 "%" "u" ": %m", i->gid) : -abs(_e); });
                              else if (r > 0) {
                                      i->gid = c;
                                      i->gid_set = true1;
                              } else
                                      log_debug("Group ID " GID_FMT " of file for %s already used.", c, i->name)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1155, __func__, "Group ID " "%"
 "u" " of file for %s already used.", c, i->name) : -abs(_e
); });
                      }
              }
      }

      /* And if that didn't work either, let's try to find a free one */
      if (!i->gid_set) {
              for (;;) {
                      /* We look for new GIDs in the UID pool! */
                      r = uid_range_next_lower(uid_range, n_uid_range, &search_uid);
                      if (r < 0) {
                              log_error("No free group ID available for %s.", i->name)({ int _level = (((3))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1166, __func__, "No free group ID available for %s."
, i->name) : -abs(_e); });
                              return r;
                      }

                      r = gid_is_ok(search_uid);
                      if (r < 0)
                              return log_error_errno(r, "Failed to verify gid " GID_FMT ": %m", i->gid)({ int _level = ((3)), _e = ((r)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1172, __func__, "Failed to verify gid "
 "%" "u" ": %m", i->gid) : -abs(_e); });
                      else if (r > 0)
                              break;
              }

              i->gid_set = true1;
              i->gid = search_uid;
      }

      r = ordered_hashmap_ensure_allocated(&todo_gids, NULL)internal_ordered_hashmap_ensure_allocated(&todo_gids, ((void
*)0) );
      if (r < 0)
              return log_oom()log_oom_internal(LOG_REALM_SYSTEMD, "../src/sysusers/sysusers.c"
, 1183, __func__);

      r = ordered_hashmap_put(todo_gids, GID_TO_PTR(i->gid)((void*) (((uintptr_t) (i->gid))+1)), i);
      if (r < 0)
              return log_oom()log_oom_internal(LOG_REALM_SYSTEMD, "../src/sysusers/sysusers.c"
, 1187, __func__);

      i->todo_group = true1;
      log_info("Creating group %s with gid " GID_FMT ".", i->name, i->gid)({ int _level = (((6))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1190, __func__, "Creating group %s with gid "
 "%" "u" ".", i->name, i->gid) : -abs(_e); });

      return 0;
1193}

1195static int process_item(Item *i) {
      int r;

      assert(i)do { if ((__builtin_expect(!!(!(i)),0))) log_assert_failed_realm
(LOG_REALM_SYSTEMD, ("i"), "../src/sysusers/sysusers.c", 1198
, __PRETTY_FUNCTION__); } while (0);

      switch (i->type) {

      case ADD_USER: {
              Item *j;

              j = ordered_hashmap_get(groups, i->name);
              if (j && j->todo_group) {
                      /* When the group with the same name is already in queue,
                       * use the information about the group and do not create
                       * duplicated group entry. */
                      i->gid_set = j->gid_set;
                      i->gid = j->gid;
                      i->id_set_strict = true1;
              } else {
                      r = add_group(i);
                      if (r < 0)
                              return r;
              }

              return add_user(i);
      }

      case ADD_GROUP:
              return add_group(i);

      default:
              assert_not_reached("Unknown item type")do { log_assert_failed_unreachable_realm(LOG_REALM_SYSTEMD, (
"Unknown item type"), "../src/sysusers/sysusers.c", 1226, __PRETTY_FUNCTION__
); } while (0);
      }
1228}

1230static void item_free(Item *i) {

      if (!i)
              return;

      free(i->name);
      free(i->uid_path);
      free(i->gid_path);
      free(i->description);
      free(i->home);
      free(i->shell);
      free(i);
1242}

1244DEFINE_TRIVIAL_CLEANUP_FUNC(Item*, item_free)static inline void item_freep(Item* *p) { if (*p) item_free(*
p); };

1246static int add_implicit(void) {
      char *g, **l;
      Iterator iterator;
      int r;

      /* Implicitly create additional users and groups, if they were listed in "m" lines */
      ORDERED_HASHMAP_FOREACH_KEY(l, g, members, iterator)for ((iterator) = ((Iterator) { .idx = ((2147483647 *2U +1U) -
 1), .next_key = ((void*)0) }); ordered_hashmap_iterate((members
), &(iterator), (void**)&(l), (const void**) &(g)
); ) {
              char **m;

              STRV_FOREACH(m, l)for ((m) = (l); (m) && *(m); (m)++)
                      if (!ordered_hashmap_get(users, *m)) {
                              _cleanup_(item_freep)__attribute__((cleanup(item_freep))) Item *j = NULL((void*)0);

                              r = ordered_hashmap_ensure_allocated(&users, &string_hash_ops)internal_ordered_hashmap_ensure_allocated(&users, &string_hash_ops
 );
                              if (r < 0)
                                      return log_oom()log_oom_internal(LOG_REALM_SYSTEMD, "../src/sysusers/sysusers.c"
, 1261, __func__);

                              j = new0(Item, 1)((Item*) calloc((1), sizeof(Item)));
                              if (!j)
                                      return log_oom()log_oom_internal(LOG_REALM_SYSTEMD, "../src/sysusers/sysusers.c"
, 1265, __func__);

                              j->type = ADD_USER;
                              j->name = strdup(*m);
                              if (!j->name)
                                      return log_oom()log_oom_internal(LOG_REALM_SYSTEMD, "../src/sysusers/sysusers.c"
, 1270, __func__);

                              r = ordered_hashmap_put(users, j->name, j);
                              if (r < 0)
                                      return log_oom()log_oom_internal(LOG_REALM_SYSTEMD, "../src/sysusers/sysusers.c"
, 1274, __func__);

                              log_debug("Adding implicit user '%s' due to m line", j->name)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1276, __func__, "Adding implicit user '%s' due to m line"
, j->name) : -abs(_e); });
                              j = NULL((void*)0);
                      }

              if (!(ordered_hashmap_get(users, g) ||
                    ordered_hashmap_get(groups, g))) {
                      _cleanup_(item_freep)__attribute__((cleanup(item_freep))) Item *j = NULL((void*)0);

                      r = ordered_hashmap_ensure_allocated(&groups, &string_hash_ops)internal_ordered_hashmap_ensure_allocated(&groups, &string_hash_ops
 );
                      if (r < 0)
                              return log_oom()log_oom_internal(LOG_REALM_SYSTEMD, "../src/sysusers/sysusers.c"
, 1286, __func__);

                      j = new0(Item, 1)((Item*) calloc((1), sizeof(Item)));
                      if (!j)
                              return log_oom()log_oom_internal(LOG_REALM_SYSTEMD, "../src/sysusers/sysusers.c"
, 1290, __func__);

                      j->type = ADD_GROUP;
                      j->name = strdup(g);
                      if (!j->name)
                              return log_oom()log_oom_internal(LOG_REALM_SYSTEMD, "../src/sysusers/sysusers.c"
, 1295, __func__);

                      r = ordered_hashmap_put(groups, j->name, j);
                      if (r < 0)
                              return log_oom()log_oom_internal(LOG_REALM_SYSTEMD, "../src/sysusers/sysusers.c"
, 1299, __func__);

                      log_debug("Adding implicit group '%s' due to m line", j->name)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1301, __func__, "Adding implicit group '%s' due to m line"
, j->name) : -abs(_e); });
                      j = NULL((void*)0);
              }
      }

      return 0;
1307}

1309static bool_Bool item_equal(Item *a, Item *b) {
      assert(a)do { if ((__builtin_expect(!!(!(a)),0))) log_assert_failed_realm
(LOG_REALM_SYSTEMD, ("a"), "../src/sysusers/sysusers.c", 1310
, __PRETTY_FUNCTION__); } while (0);
      assert(b)do { if ((__builtin_expect(!!(!(b)),0))) log_assert_failed_realm
(LOG_REALM_SYSTEMD, ("b"), "../src/sysusers/sysusers.c", 1311
, __PRETTY_FUNCTION__); } while (0);

      if (a->type != b->type)
              return false0;

      if (!streq_ptr(a->name, b->name))
              return false0;

      if (!streq_ptr(a->uid_path, b->uid_path))
              return false0;

      if (!streq_ptr(a->gid_path, b->gid_path))
              return false0;

      if (!streq_ptr(a->description, b->description))
              return false0;

      if (a->uid_set != b->uid_set)
              return false0;

      if (a->uid_set && a->uid != b->uid)
              return false0;

      if (a->gid_set != b->gid_set)
              return false0;

      if (a->gid_set && a->gid != b->gid)
              return false0;

      if (!streq_ptr(a->home, b->home))
              return false0;

      if (!streq_ptr(a->shell, b->shell))
              return false0;

      return true1;
1347}

1349static int parse_line(const char *fname, unsigned line, const char *buffer) {

      static const Specifier specifier_table[] = {
              { 'm', specifier_machine_id,     NULL((void*)0) },
              { 'b', specifier_boot_id,        NULL((void*)0) },
              { 'H', specifier_host_name,      NULL((void*)0) },
              { 'v', specifier_kernel_release, NULL((void*)0) },
              { 'T', specifier_tmp_dir,        NULL((void*)0) },
              { 'V', specifier_var_tmp_dir,    NULL((void*)0) },
              {}
      };

      _cleanup_free___attribute__((cleanup(freep))) char *action = NULL((void*)0),
              *name = NULL((void*)0), *resolved_name = NULL((void*)0),
              *id = NULL((void*)0), *resolved_id = NULL((void*)0),
              *description = NULL((void*)0), *resolved_description = NULL((void*)0),
              *home = NULL((void*)0), *resolved_home = NULL((void*)0),
              *shell, *resolved_shell = NULL((void*)0);
      _cleanup_(item_freep)__attribute__((cleanup(item_freep))) Item *i = NULL((void*)0);
      Item *existing;
      OrderedHashmap *h;
      int r;
      const char *p;

      assert(fname)do { if ((__builtin_expect(!!(!(fname)),0))) log_assert_failed_realm
(LOG_REALM_SYSTEMD, ("fname"), "../src/sysusers/sysusers.c", 1373
, __PRETTY_FUNCTION__); } while (0);
      assert(line >= 1)do { if ((__builtin_expect(!!(!(line >= 1)),0))) log_assert_failed_realm
(LOG_REALM_SYSTEMD, ("line >= 1"), "../src/sysusers/sysusers.c"
, 1374, __PRETTY_FUNCTION__); } while (0);
      assert(buffer)do { if ((__builtin_expect(!!(!(buffer)),0))) log_assert_failed_realm
(LOG_REALM_SYSTEMD, ("buffer"), "../src/sysusers/sysusers.c",
 1375, __PRETTY_FUNCTION__); } while (0);

      /* Parse columns */
      p = buffer;
      r = extract_many_words(&p, NULL((void*)0), EXTRACT_QUOTES,
                             &action, &name, &id, &description, &home, &shell, NULL((void*)0));
      if (r < 0) {
              log_error("[%s:%u] Syntax error.", fname, line)({ int _level = (((3))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1382, __func__, "[%s:%u] Syntax error."
, fname, line) : -abs(_e); });
              return r;
      }
      if (r < 2) {
              log_error("[%s:%u] Missing action and name columns.", fname, line)({ int _level = (((3))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1386, __func__, "[%s:%u] Missing action and name columns."
, fname, line) : -abs(_e); });
              return -EINVAL22;
      }
      if (!isempty(p)) {
              log_error("[%s:%u] Trailing garbage.", fname, line)({ int _level = (((3))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1390, __func__, "[%s:%u] Trailing garbage."
, fname, line) : -abs(_e); });
              return -EINVAL22;
      }

      /* Verify action */
      if (strlen(action) != 1) {
              log_error("[%s:%u] Unknown modifier '%s'", fname, line, action)({ int _level = (((3))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1396, __func__, "[%s:%u] Unknown modifier '%s'"
, fname, line, action) : -abs(_e); });
              return -EINVAL22;
      }

      if (!IN_SET(action[0], ADD_USER, ADD_GROUP, ADD_MEMBER, ADD_RANGE)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended
[20 - sizeof((int[]){ADD_USER, ADD_GROUP, ADD_MEMBER, ADD_RANGE
})/sizeof(int)]; switch(action[0]) { case ADD_USER: case ADD_GROUP
: case ADD_MEMBER: case ADD_RANGE: _found = 1; break; default
: break; } _found; })) {
              log_error("[%s:%u] Unknown command type '%c'.", fname, line, action[0])({ int _level = (((3))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1401, __func__, "[%s:%u] Unknown command type '%c'."
, fname, line, action[0]) : -abs(_e); });
              return -EBADMSG74;
      }

      /* Verify name */
      if (isempty(name) || streq(name, "-")(strcmp((name),("-")) == 0))
              name = mfree(name);

      if (name) {
              r = specifier_printf(name, specifier_table, NULL((void*)0), &resolved_name);
              if (r < 0) {
                      log_error("[%s:%u] Failed to replace specifiers: %s", fname, line, name)({ int _level = (((3))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1412, __func__, "[%s:%u] Failed to replace specifiers: %s"
, fname, line, name) : -abs(_e); });
                      return r;
              }

              if (!valid_user_group_name(resolved_name, 0)) {
                      log_error("[%s:%u] '%s' is not a valid user or group name.", fname, line, resolved_name)({ int _level = (((3))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1417, __func__, "[%s:%u] '%s' is not a valid user or group name."
, fname, line, resolved_name) : -abs(_e); });
                      return -EINVAL22;
              }
      }

      /* Verify id */
      if (isempty(id) || streq(id, "-")(strcmp((id),("-")) == 0))
              id = mfree(id);

      if (id) {
              r = specifier_printf(id, specifier_table, NULL((void*)0), &resolved_id);
              if (r < 0) {
                      log_error("[%s:%u] Failed to replace specifiers: %s", fname, line, name)({ int _level = (((3))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1429, __func__, "[%s:%u] Failed to replace specifiers: %s"
, fname, line, name) : -abs(_e); });
                      return r;
              }
      }

      /* Verify description */
      if (isempty(description) || streq(description, "-")(strcmp((description),("-")) == 0))
              description = mfree(description);

      if (description) {
              r = specifier_printf(description, specifier_table, NULL((void*)0), &resolved_description);
              if (r < 0) {
                      log_error("[%s:%u] Failed to replace specifiers: %s", fname, line, description)({ int _level = (((3))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1441, __func__, "[%s:%u] Failed to replace specifiers: %s"
, fname, line, description) : -abs(_e); });
                      return r;
              }

              if (!valid_gecos(resolved_description)) {
                      log_error("[%s:%u] '%s' is not a valid GECOS field.", fname, line, resolved_description)({ int _level = (((3))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1446, __func__, "[%s:%u] '%s' is not a valid GECOS field."
, fname, line, resolved_description) : -abs(_e); });
                      return -EINVAL22;
              }
      }

      /* Verify home */
      if (isempty(home) || streq(home, "-")(strcmp((home),("-")) == 0))
              home = mfree(home);

      if (home) {
              r = specifier_printf(home, specifier_table, NULL((void*)0), &resolved_home);
              if (r < 0) {
                      log_error("[%s:%u] Failed to replace specifiers: %s", fname, line, home)({ int _level = (((3))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1458, __func__, "[%s:%u] Failed to replace specifiers: %s"
, fname, line, home) : -abs(_e); });
                      return r;
              }

              if (!valid_home(resolved_home)) {
                      log_error("[%s:%u] '%s' is not a valid home directory field.", fname, line, resolved_home)({ int _level = (((3))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1463, __func__, "[%s:%u] '%s' is not a valid home directory field."
, fname, line, resolved_home) : -abs(_e); });
                      return -EINVAL22;
              }
      }

      /* Verify shell */
      if (isempty(shell) || streq(shell, "-")(strcmp((shell),("-")) == 0))
              shell = mfree(shell);

      if (shell) {
              r = specifier_printf(shell, specifier_table, NULL((void*)0), &resolved_shell);
              if (r < 0) {
                      log_error("[%s:%u] Failed to replace specifiers: %s", fname, line, shell)({ int _level = (((3))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1475, __func__, "[%s:%u] Failed to replace specifiers: %s"
, fname, line, shell) : -abs(_e); });
                      return r;
              }

              if (!valid_shell(resolved_shell)) {
                      log_error("[%s:%u] '%s' is not a valid login shell field.", fname, line, resolved_shell)({ int _level = (((3))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1480, __func__, "[%s:%u] '%s' is not a valid login shell field."
, fname, line, resolved_shell) : -abs(_e); });
                      return -EINVAL22;
              }
      }

      switch (action[0]) {

      case ADD_RANGE:
              if (resolved_name) {
                      log_error("[%s:%u] Lines of type 'r' don't take a name field.", fname, line)({ int _level = (((3))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1489, __func__, "[%s:%u] Lines of type 'r' don't take a name field."
, fname, line) : -abs(_e); });
                      return -EINVAL22;
              }

              if (!resolved_id) {
                      log_error("[%s:%u] Lines of type 'r' require a ID range in the third field.", fname, line)({ int _level = (((3))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1494, __func__, "[%s:%u] Lines of type 'r' require a ID range in the third field."
, fname, line) : -abs(_e); });
                      return -EINVAL22;
              }

              if (description || home || shell) {
                      log_error("[%s:%u] Lines of type '%c' don't take a %s field.",({ int _level = (((3))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1501, __func__, "[%s:%u] Lines of type '%c' don't take a %s field."
, fname, line, action[0], description ? "GECOS" : home ? "home directory"
 : "login shell") : -abs(_e); })
                                fname, line, action[0],({ int _level = (((3))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1501, __func__, "[%s:%u] Lines of type '%c' don't take a %s field."
, fname, line, action[0], description ? "GECOS" : home ? "home directory"
 : "login shell") : -abs(_e); })
                                description ? "GECOS" : home ? "home directory" : "login shell")({ int _level = (((3))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1501, __func__, "[%s:%u] Lines of type '%c' don't take a %s field."
, fname, line, action[0], description ? "GECOS" : home ? "home directory"
 : "login shell") : -abs(_e); });
                      return -EINVAL22;
              }

              r = uid_range_add_str(&uid_range, &n_uid_range, resolved_id);
              if (r < 0) {
                      log_error("[%s:%u] Invalid UID range %s.", fname, line, resolved_id)({ int _level = (((3))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1507, __func__, "[%s:%u] Invalid UID range %s."
, fname, line, resolved_id) : -abs(_e); });
                      return -EINVAL22;
              }

              return 0;

      case ADD_MEMBER: {
              char **l;

              /* Try to extend an existing member or group item */
              if (!name) {
                      log_error("[%s:%u] Lines of type 'm' require a user name in the second field.", fname, line)({ int _level = (((3))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1518, __func__, "[%s:%u] Lines of type 'm' require a user name in the second field."
, fname, line) : -abs(_e); });
                      return -EINVAL22;
              }

              if (!resolved_id) {
                      log_error("[%s:%u] Lines of type 'm' require a group name in the third field.", fname, line)({ int _level = (((3))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1523, __func__, "[%s:%u] Lines of type 'm' require a group name in the third field."
, fname, line) : -abs(_e); });
                      return -EINVAL22;
              }

              if (!valid_user_group_name(resolved_id, 0)) {
                      log_error("[%s:%u] '%s' is not a valid user or group name.", fname, line, resolved_id)({ int _level = (((3))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1528, __func__, "[%s:%u] '%s' is not a valid user or group name."
, fname, line, resolved_id) : -abs(_e); });
                      return -EINVAL22;
              }

              if (description || home || shell) {
                      log_error("[%s:%u] Lines of type '%c' don't take a %s field.",({ int _level = (((3))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1535, __func__, "[%s:%u] Lines of type '%c' don't take a %s field."
, fname, line, action[0], description ? "GECOS" : home ? "home directory"
 : "login shell") : -abs(_e); })
                                fname, line, action[0],({ int _level = (((3))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1535, __func__, "[%s:%u] Lines of type '%c' don't take a %s field."
, fname, line, action[0], description ? "GECOS" : home ? "home directory"
 : "login shell") : -abs(_e); })
                                description ? "GECOS" : home ? "home directory" : "login shell")({ int _level = (((3))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1535, __func__, "[%s:%u] Lines of type '%c' don't take a %s field."
, fname, line, action[0], description ? "GECOS" : home ? "home directory"
 : "login shell") : -abs(_e); });
                      return -EINVAL22;
              }

              r = ordered_hashmap_ensure_allocated(&members, &string_hash_ops)internal_ordered_hashmap_ensure_allocated(&members, &
string_hash_ops );
              if (r < 0)
                      return log_oom()log_oom_internal(LOG_REALM_SYSTEMD, "../src/sysusers/sysusers.c"
, 1541, __func__);

              l = ordered_hashmap_get(members, resolved_id);
              if (l) {
                      /* A list for this group name already exists, let's append to it */
                      r = strv_push(&l, resolved_name);
                      if (r < 0)
                              return log_oom()log_oom_internal(LOG_REALM_SYSTEMD, "../src/sysusers/sysusers.c"
, 1548, __func__);

                      resolved_name = NULL((void*)0);

                      assert_se(ordered_hashmap_update(members, resolved_id, l) >= 0)do { if ((__builtin_expect(!!(!(ordered_hashmap_update(members
, resolved_id, l) >= 0)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD
, ("ordered_hashmap_update(members, resolved_id, l) >= 0")
, "../src/sysusers/sysusers.c", 1552, __PRETTY_FUNCTION__); }
 while (0);
              } else {
                      /* No list for this group name exists yet, create one */

                      l = new0(char *, 2)((char **) calloc((2), sizeof(char *)));
                      if (!l)
                              return -ENOMEM12;

                      l[0] = resolved_name;
                      l[1] = NULL((void*)0);

                      r = ordered_hashmap_put(members, resolved_id, l);
                      if (r < 0) {
                              free(l);
                              return log_oom()log_oom_internal(LOG_REALM_SYSTEMD, "../src/sysusers/sysusers.c"
, 1566, __func__);
                      }

                      resolved_id = resolved_name = NULL((void*)0);
              }

              return 0;
      }

      case ADD_USER:
              if (!name) {
                      log_error("[%s:%u] Lines of type 'u' require a user name in the second field.", fname, line)({ int _level = (((3))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1577, __func__, "[%s:%u] Lines of type 'u' require a user name in the second field."
, fname, line) : -abs(_e); });
                      return -EINVAL22;
              }

              r = ordered_hashmap_ensure_allocated(&users, &string_hash_ops)internal_ordered_hashmap_ensure_allocated(&users, &string_hash_ops
 );
              if (r < 0)
                      return log_oom()log_oom_internal(LOG_REALM_SYSTEMD, "../src/sysusers/sysusers.c"
, 1583, __func__);

              i = new0(Item, 1)((Item*) calloc((1), sizeof(Item)));
              if (!i)
                      return log_oom()log_oom_internal(LOG_REALM_SYSTEMD, "../src/sysusers/sysusers.c"
, 1587, __func__);

              if (resolved_id) {
                      if (path_is_absolute(resolved_id)) {
                              i->uid_path = TAKE_PTR(resolved_id)({ typeof(resolved_id) _ptr_ = (resolved_id); (resolved_id) =
 ((void*)0); _ptr_; });
                              path_simplify(i->uid_path, false0);
                      } else {
                              _cleanup_free___attribute__((cleanup(freep))) char *uid = NULL((void*)0), *gid = NULL((void*)0);
                              if (split_pair(resolved_id, ":", &uid, &gid) == 0) {
                                      r = parse_gid(gid, &i->gid);
                                      if (r < 0)
                                              return log_error_errno(r, "Failed to parse GID: '%s': %m", id)({ int _level = ((3)), _e = ((r)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1598, __func__, "Failed to parse GID: '%s': %m"
, id) : -abs(_e); });
                                      i->gid_set = true1;
                                      i->id_set_strict = true1;
                                      free_and_replace(resolved_id, uid)({ free(resolved_id); (resolved_id) = (uid); (uid) = ((void*)
0); 0; });
                              }
                              if (!streq(resolved_id, "-")(strcmp((resolved_id),("-")) == 0)) {
                                      r = parse_uid(resolved_id, &i->uid);
                                      if (r < 0)
                                              return log_error_errno(r, "Failed to parse UID: '%s': %m", id)({ int _level = ((3)), _e = ((r)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1606, __func__, "Failed to parse UID: '%s': %m"
, id) : -abs(_e); });
                                      i->uid_set = true1;
                              }
                      }
              }

              i->description = TAKE_PTR(resolved_description)({ typeof(resolved_description) _ptr_ = (resolved_description
); (resolved_description) = ((void*)0); _ptr_; });
              i->home = TAKE_PTR(resolved_home)({ typeof(resolved_home) _ptr_ = (resolved_home); (resolved_home
) = ((void*)0); _ptr_; });
              i->shell = TAKE_PTR(resolved_shell)({ typeof(resolved_shell) _ptr_ = (resolved_shell); (resolved_shell
) = ((void*)0); _ptr_; });

              h = users;
              break;

      case ADD_GROUP:
              if (!name) {
                      log_error("[%s:%u] Lines of type 'g' require a user name in the second field.", fname, line)({ int _level = (((3))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1621, __func__, "[%s:%u] Lines of type 'g' require a user name in the second field."
, fname, line) : -abs(_e); });
                      return -EINVAL22;
              }

              if (description || home || shell) {
                      log_error("[%s:%u] Lines of type '%c' don't take a %s field.",({ int _level = (((3))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1628, __func__, "[%s:%u] Lines of type '%c' don't take a %s field."
, fname, line, action[0], description ? "GECOS" : home ? "home directory"
 : "login shell") : -abs(_e); })
                                fname, line, action[0],({ int _level = (((3))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1628, __func__, "[%s:%u] Lines of type '%c' don't take a %s field."
, fname, line, action[0], description ? "GECOS" : home ? "home directory"
 : "login shell") : -abs(_e); })
                                description ? "GECOS" : home ? "home directory" : "login shell")({ int _level = (((3))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1628, __func__, "[%s:%u] Lines of type '%c' don't take a %s field."
, fname, line, action[0], description ? "GECOS" : home ? "home directory"
 : "login shell") : -abs(_e); });
                      return -EINVAL22;
              }

              r = ordered_hashmap_ensure_allocated(&groups, &string_hash_ops)internal_ordered_hashmap_ensure_allocated(&groups, &string_hash_ops
 );
              if (r < 0)
                      return log_oom()log_oom_internal(LOG_REALM_SYSTEMD, "../src/sysusers/sysusers.c"
, 1634, __func__);

              i = new0(Item, 1)((Item*) calloc((1), sizeof(Item)));
              if (!i)
                      return log_oom()log_oom_internal(LOG_REALM_SYSTEMD, "../src/sysusers/sysusers.c"
, 1638, __func__);

              if (resolved_id) {
                      if (path_is_absolute(resolved_id)) {
                              i->gid_path = TAKE_PTR(resolved_id)({ typeof(resolved_id) _ptr_ = (resolved_id); (resolved_id) =
 ((void*)0); _ptr_; });
                              path_simplify(i->gid_path, false0);
                      } else {
                              r = parse_gid(resolved_id, &i->gid);
                              if (r < 0)
                                      return log_error_errno(r, "Failed to parse GID: '%s': %m", id)({ int _level = ((3)), _e = ((r)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1647, __func__, "Failed to parse GID: '%s': %m"
, id) : -abs(_e); });

                              i->gid_set = true1;
                      }
              }

              h = groups;
              break;

      default:
              return -EBADMSG74;
      }

      i->type = action[0];
      i->name = TAKE_PTR(resolved_name)({ typeof(resolved_name) _ptr_ = (resolved_name); (resolved_name
) = ((void*)0); _ptr_; });

      existing = ordered_hashmap_get(h, i->name);
      if (existing) {

              /* Two identical items are fine */
              if (!item_equal(existing, i))
                      log_warning("Two or more conflicting lines for %s configured, ignoring.", i->name)({ int _level = (((4))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1668, __func__, "Two or more conflicting lines for %s configured, ignoring."
, i->name) : -abs(_e); });

              return 0;
      }

      r = ordered_hashmap_put(h, i->name, i);
      if (r < 0)
              return log_oom()log_oom_internal(LOG_REALM_SYSTEMD, "../src/sysusers/sysusers.c"
, 1675, __func__);

      i = NULL((void*)0);
      return 0;
1679}

1681static int read_config_file(const char *fn, bool_Bool ignore_enoent) {
      _cleanup_fclose___attribute__((cleanup(fclosep))) FILE *rf = NULL((void*)0);
      FILE *f = NULL((void*)0);
      char line[LINE_MAX2048];
      unsigned v = 0;
      int r = 0;

      assert(fn)do { if ((__builtin_expect(!!(!(fn)),0))) log_assert_failed_realm
(LOG_REALM_SYSTEMD, ("fn"), "../src/sysusers/sysusers.c", 1688
, __PRETTY_FUNCTION__); } while (0);

      if (streq(fn, "-")(strcmp((fn),("-")) == 0))
              f = stdinstdin;
      else {
              r = search_and_fopen(fn, "re", arg_root, (const char**) CONF_PATHS_STRV("sysusers.d")((char**) ((const char*[]) { "/etc/" "sysusers.d", "/run/" "sysusers.d"
, "/usr/local/lib/" "sysusers.d", "/usr/lib/" "sysusers.d", (
(void*)0) })), &rf);
              if (r < 0) {
                      if (ignore_enoent && r == -ENOENT2)
                              return 0;

                      return log_error_errno(r, "Failed to open '%s', ignoring: %m", fn)({ int _level = ((3)), _e = ((r)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1698, __func__, "Failed to open '%s', ignoring: %m"
, fn) : -abs(_e); });
              }

              f = rf;
      }

      FOREACH_LINE(line, f, break)for (;;) if (!fgets(line, sizeof(line), f)) { if (ferror(f)) {
 break; } break; } else {
              char *l;
              int k;

              v++;

              l = strstrip(line);
              if (IN_SET(*l, 0, '#')({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended
[20 - sizeof((int[]){0, '#'})/sizeof(int)]; switch(*l) { case
case '#': _found = 1; break; default: break; } _found; }))
                      continue;

              k = parse_line(fn, v, l);
              if (k < 0 && r == 0)
                      r = k;
      }

      if (ferror(f)) {
              log_error_errno(errno, "Failed to read from file %s: %m", fn)({ int _level = ((3)), _e = (((*__errno_location ()))), _realm
 = (LOG_REALM_SYSTEMD); (log_get_max_level_realm(_realm) >=
 ((_level) & 0x07)) ? log_internal_realm(((_realm) <<
| (_level)), _e, "../src/sysusers/sysusers.c", 1720, __func__
, "Failed to read from file %s: %m", fn) : -abs(_e); });
              if (r == 0)
                      r = -EIO5;
      }

      return r;
1726}

1728static void free_database(Hashmap *by_name, Hashmap *by_id) {
      char *name;

      for (;;) {
              name = hashmap_first(by_id);
              if (!name)
                      break;

              hashmap_remove(by_name, name);

              hashmap_steal_first_key(by_id);
              free(name);
      }

      while ((name = hashmap_steal_first_key(by_name)))
              free(name);

      hashmap_free(by_name);
      hashmap_free(by_id);
1747}

1749static int cat_config(void) {
      _cleanup_strv_free___attribute__((cleanup(strv_freep))) char **files = NULL((void*)0);
      int r;

      r = conf_files_list_with_replacement(arg_root, CONF_PATHS_STRV("sysusers.d")((char**) ((const char*[]) { "/etc/" "sysusers.d", "/run/" "sysusers.d"
, "/usr/local/lib/" "sysusers.d", "/usr/lib/" "sysusers.d", (
(void*)0) })), arg_replace, &files, NULL((void*)0));
      if (r < 0)
              return r;

      (void) pager_open(arg_no_pager, false0);

      return cat_files(NULL((void*)0), files, 0);
1760}

1762static void help(void) {
      printf("%s [OPTIONS...] [CONFIGURATION FILE...]\n\n"
             "Creates system user accounts.\n\n"
             "  -h --help                 Show this help\n"
             "     --version              Show package version\n"
             "     --cat-config           Show configuration files\n"
             "     --root=PATH            Operate on an alternate filesystem root\n"
             "     --replace=PATH         Treat arguments as replacement for PATH\n"
             "     --inline               Treat arguments as configuration lines\n"
             "     --no-pager             Do not pipe output into a pager\n"
             , program_invocation_short_name);
1773}

1775static int parse_argv(int argc, char *argv[]) {

      enum {
              ARG_VERSION = 0x100,
              ARG_CAT_CONFIG,
              ARG_ROOT,
              ARG_REPLACE,
              ARG_INLINE,
              ARG_NO_PAGER,
      };

      static const struct option options[] = {
              { "help",       no_argument0,       NULL((void*)0), 'h'            },
              { "version",    no_argument0,       NULL((void*)0), ARG_VERSION    },
              { "cat-config", no_argument0,       NULL((void*)0), ARG_CAT_CONFIG },
              { "root",       required_argument1, NULL((void*)0), ARG_ROOT       },
              { "replace",    required_argument1, NULL((void*)0), ARG_REPLACE    },
              { "inline",     no_argument0,       NULL((void*)0), ARG_INLINE     },
              { "no-pager",   no_argument0,       NULL((void*)0), ARG_NO_PAGER   },
              {}
      };

      int c, r;

      assert(argc >= 0)do { if ((__builtin_expect(!!(!(argc >= 0)),0))) log_assert_failed_realm
(LOG_REALM_SYSTEMD, ("argc >= 0"), "../src/sysusers/sysusers.c"
, 1799, __PRETTY_FUNCTION__); } while (0);
      assert(argv)do { if ((__builtin_expect(!!(!(argv)),0))) log_assert_failed_realm
(LOG_REALM_SYSTEMD, ("argv"), "../src/sysusers/sysusers.c", 1800
, __PRETTY_FUNCTION__); } while (0);

      while ((c = getopt_long(argc, argv, "h", options, NULL((void*)0))) >= 0)

              switch (c) {

              case 'h':
                      help();
                      return 0;

              case ARG_VERSION:
                      return version();

              case ARG_CAT_CONFIG:
                      arg_cat_config = true1;
                      break;

              case ARG_ROOT:
                      r = parse_path_argument_and_warn(optarg, true1, &arg_root);
                      if (r < 0)
                              return r;
                      break;

              case ARG_REPLACE:
                      if (!path_is_absolute(optarg) ||
                          !endswith(optarg, ".conf")) {
                              log_error("The argument to --replace= must an absolute path to a config file")({ int _level = (((3))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1826, __func__, "The argument to --replace= must an absolute path to a config file"
) : -abs(_e); });
                              return -EINVAL22;
                      }

                      arg_replace = optarg;
                      break;

              case ARG_INLINE:
                      arg_inline = true1;
                      break;

              case ARG_NO_PAGER:
                      arg_no_pager = true1;
                      break;

              case '?':
                      return -EINVAL22;

              default:
                      assert_not_reached("Unhandled option")do { log_assert_failed_unreachable_realm(LOG_REALM_SYSTEMD, (
"Unhandled option"), "../src/sysusers/sysusers.c", 1845, __PRETTY_FUNCTION__
); } while (0);
              }

      if (arg_replace && arg_cat_config) {
              log_error("Option --replace= is not supported with --cat-config")({ int _level = (((3))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1849, __func__, "Option --replace= is not supported with --cat-config"
) : -abs(_e); });
              return -EINVAL22;
      }

      if (arg_replace && optind >= argc) {
              log_error("When --replace= is given, some configuration items must be specified")({ int _level = (((3))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1854, __func__, "When --replace= is given, some configuration items must be specified"
) : -abs(_e); });
              return -EINVAL22;
      }

      return 1;
1859}

1861static int parse_arguments(char **args) {
      char **arg;
      unsigned pos = 1;
      int r;

      STRV_FOREACH(arg, args)for ((arg) = (args); (arg) && *(arg); (arg)++) {
              if (arg_inline)
                      /* Use (argument):n, where n==1 for the first positional arg */
                      r = parse_line("(argument)", pos, *arg);
              else
                      r = read_config_file(*arg, false0);
              if (r < 0)
                      return r;

              pos++;
      }

      return 0;
1879}

1881static int read_config_files(char **args) {
      _cleanup_strv_free___attribute__((cleanup(strv_freep))) char **files = NULL((void*)0);
      _cleanup_free___attribute__((cleanup(freep))) char *p = NULL((void*)0);
      char **f;
      int r;

      r = conf_files_list_with_replacement(arg_root, CONF_PATHS_STRV("sysusers.d")((char**) ((const char*[]) { "/etc/" "sysusers.d", "/run/" "sysusers.d"
, "/usr/local/lib/" "sysusers.d", "/usr/lib/" "sysusers.d", (
(void*)0) })), arg_replace, &files, &p);
      if (r < 0)
              return r;

      STRV_FOREACH(f, files)for ((f) = (files); (f) && *(f); (f)++)
              if (p && path_equal(*f, p)) {
                      log_debug("Parsing arguments at position \"%s\"…", *f)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1893, __func__, "Parsing arguments at position \"%s\"…"
, *f) : -abs(_e); });

                      r = parse_arguments(args);
                      if (r < 0)
                              return r;
              } else {
                      log_debug("Reading config file \"%s\"…", *f)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1899, __func__, "Reading config file \"%s\"…"
, *f) : -abs(_e); });

                      /* Just warn, ignore result otherwise */
                      (void) read_config_file(*f, true1);
              }

      return 0;
1906}

1908int main(int argc, char *argv[]) {
      _cleanup_close___attribute__((cleanup(closep))) int lock = -1;
      Iterator iterator;
      int r;
      Item *i;
      char *n;

      r = parse_argv(argc, argv);
      if (r0.1
'r' is > 0
 <= 0)
1
Taking false branch→
              goto finish;

      log_set_target(LOG_TARGET_AUTO);
      log_parse_environment()log_parse_environment_realm(LOG_REALM_SYSTEMD);
      log_open();

      if (arg_cat_config1.1
'arg_cat_config' is false
) {
2
←
Taking false branch→
              r = cat_config();
              goto finish;
      }

      umask(0022);

      r = mac_selinux_init();
      if (r < 0) {
3
←
Assuming 'r' is >= 0→
4
←
Taking false branch→
              log_error_errno(r, "SELinux setup failed: %m")({ int _level = ((3)), _e = ((r)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1932, __func__, "SELinux setup failed: %m"
) : -abs(_e); });
              goto finish;
      }

      /* If command line arguments are specified along with --replace, read all
       * configuration files and insert the positional arguments at the specified
       * place. Otherwise, if command line arguments are specified, execute just
       * them, and finally, without --replace= or any positional arguments, just
       * read configuration and execute it.
       */
      if (arg_replace4.1
'arg_replace' is null
 || optind >= argc)
5
←
Assuming 'optind' is < 'argc'→
6
←
Taking false branch→
              r = read_config_files(argv + optind);
      else
              r = parse_arguments(argv + optind);
      if (r6.1
'r' is >= 0
 < 0)
7
←
Taking false branch→
              goto finish;

      /* Let's tell nss-systemd not to synthesize the "root" and "nobody" entries for it, so that our detection
       * whether the names or UID/GID area already used otherwise doesn't get confused. After all, even though
       * nss-systemd synthesizes these users/groups, they should still appear in /etc/passwd and /etc/group, as the
       * synthesizing logic is merely supposed to be fallback for cases where we run with a completely unpopulated
       * /etc. */
      if (setenv("SYSTEMD_NSS_BYPASS_SYNTHETIC", "1", 1) < 0) {
8
←
Assuming the condition is false→
9
←
Taking false branch→
              r = log_error_errno(errno, "Failed to set SYSTEMD_NSS_BYPASS_SYNTHETIC environment variable: %m")({ int _level = ((3)), _e = (((*__errno_location ()))), _realm
 = (LOG_REALM_SYSTEMD); (log_get_max_level_realm(_realm) >=
 ((_level) & 0x07)) ? log_internal_realm(((_realm) <<
| (_level)), _e, "../src/sysusers/sysusers.c", 1955, __func__
, "Failed to set SYSTEMD_NSS_BYPASS_SYNTHETIC environment variable: %m"
) : -abs(_e); });
              goto finish;
      }

      if (!uid_range9.1
'uid_range' is null
) {
10
←
Taking true branch→
              /* Default to default range of 1..SYSTEM_UID_MAX */
              r = uid_range_add(&uid_range, &n_uid_range, 1, SYSTEM_UID_MAX999);
              if (r < 0) {
11
←
Assuming 'r' is >= 0→
12
←
Taking false branch→
                      log_oom()log_oom_internal(LOG_REALM_SYSTEMD, "../src/sysusers/sysusers.c"
, 1963, __func__);
                      goto finish;
              }
      }

      r = add_implicit();
      if (r12.1
'r' is >= 0
 < 0)
13
←
Taking false branch→
              goto finish;

      lock = take_etc_passwd_lock(arg_root);
      if (lock < 0) {
14
←
Assuming 'lock' is >= 0→
15
←
Taking false branch→
              log_error_errno(lock, "Failed to take /etc/passwd lock: %m")({ int _level = ((3)), _e = ((lock)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1974, __func__, "Failed to take /etc/passwd lock: %m"
) : -abs(_e); });
              goto finish;
      }

      r = load_user_database();
      if (r < 0) {
16
←
Assuming 'r' is >= 0→
17
←
Taking false branch→
              log_error_errno(r, "Failed to load user database: %m")({ int _level = ((3)), _e = ((r)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1980, __func__, "Failed to load user database: %m"
) : -abs(_e); });
              goto finish;
      }

      r = load_group_database();
      if (r < 0) {
18
←
Assuming 'r' is >= 0→
19
←
Taking false branch→
              log_error_errno(r, "Failed to read group database: %m")({ int _level = ((3)), _e = ((r)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1986, __func__, "Failed to read group database: %m"
) : -abs(_e); });
              goto finish;
      }

      ORDERED_HASHMAP_FOREACH(i, groups, iterator)for ((iterator) = ((Iterator) { .idx = ((2147483647 *2U +1U) -
 1), .next_key = ((void*)0) }); ordered_hashmap_iterate((groups
), &(iterator), (void**)&(i), ((void*)0)); )
20
←
Loop condition is false. Execution continues on line 1993→
              (void) process_item(i);

      ORDERED_HASHMAP_FOREACH(i, users, iterator)for ((iterator) = ((Iterator) { .idx = ((2147483647 *2U +1U) -
 1), .next_key = ((void*)0) }); ordered_hashmap_iterate((users
), &(iterator), (void**)&(i), ((void*)0)); )
21
←
Loop condition is false. Execution continues on line 1996→
              (void) process_item(i);

      r = write_files();
22
←
Calling 'write_files'→
      if (r < 0)
              log_error_errno(r, "Failed to write files: %m")({ int _level = ((3)), _e = ((r)), _realm = (LOG_REALM_SYSTEMD
); (log_get_max_level_realm(_realm) >= ((_level) & 0x07
)) ? log_internal_realm(((_realm) << 10 | (_level)), _e
, "../src/sysusers/sysusers.c", 1998, __func__, "Failed to write files: %m"
) : -abs(_e); });

2000finish:
      pager_close();

      ordered_hashmap_free_with_destructor(groups, item_free)({ ({ void *_item; while ((_item = ordered_hashmap_steal_first
(groups))) item_free(_item); }); ordered_hashmap_free(groups)
; });
      ordered_hashmap_free_with_destructor(users, item_free)({ ({ void *_item; while ((_item = ordered_hashmap_steal_first
(users))) item_free(_item); }); ordered_hashmap_free(users); }
);

      while ((n = ordered_hashmap_first_key(members))) {
              strv_free(ordered_hashmap_steal_first(members));
              free(n);
      }
      ordered_hashmap_free(members);

      ordered_hashmap_free(todo_uids);
      ordered_hashmap_free(todo_gids);

      free_database(database_user, database_uid);
      free_database(database_group, database_gid);

      free(uid_range);

      free(arg_root);

      return r < 0 ? EXIT_FAILURE1 : EXIT_SUCCESS0;
2023}