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Merge pull request #355 from ikerexxe/usermod_resource_leak

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usermod.c: fix covscan RESOURCE_LEAK
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Serge Hallyn 2021-06-11 13:57:38 -05:00 committed by GitHub
commit 456bdb78f8
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1 changed files with 13 additions and 12 deletions
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29
src/usermod.c
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@ -871,6 +871,8 @@ static void update_group (void)
SYSLOG ((LOG_WARN, "failed to prepare the new %s entry '%s'", gr_dbname (), ngrp->gr_name)); SYSLOG ((LOG_WARN, "failed to prepare the new %s entry '%s'", gr_dbname (), ngrp->gr_name));
fail_exit (E_GRP_UPDATE); fail_exit (E_GRP_UPDATE);
} }
gr_free(ngrp);
} }
} }
@ -1006,6 +1008,8 @@ static void update_gshadow (void)
sgr_dbname (), nsgrp->sg_name)); sgr_dbname (), nsgrp->sg_name));
fail_exit (E_GRP_UPDATE); fail_exit (E_GRP_UPDATE);
} }
free (nsgrp);
} }
} }
#endif /* SHADOWGRP */ #endif /* SHADOWGRP */
@ -1152,6 +1156,7 @@ static void process_flags (int argc, char **argv)
} }
user_newgid = grp->gr_gid; user_newgid = grp->gr_gid;
gflg = true; gflg = true;
gr_free (grp);
break; break;
case 'G': case 'G':
if (get_groups (optarg) != 0) { if (get_groups (optarg) != 0) {
@ -1995,8 +2000,7 @@ static void update_lastlog (void)
/* Copy the old entry to its new location */ /* Copy the old entry to its new location */
if ( (lseek (fd, off_newuid, SEEK_SET) != off_newuid) if ( (lseek (fd, off_newuid, SEEK_SET) != off_newuid)
|| (write (fd, &ll, sizeof ll) != (ssize_t) sizeof ll) || (write (fd, &ll, sizeof ll) != (ssize_t) sizeof ll)
|| (fsync (fd) != 0) || (fsync (fd) != 0)) {
|| (close (fd) != 0)) {
fprintf (stderr, fprintf (stderr,
_("%s: failed to copy the lastlog entry of user %lu to user %lu: %s\n"), _("%s: failed to copy the lastlog entry of user %lu to user %lu: %s\n"),
Prog, (unsigned long) user_id, (unsigned long) user_newid, strerror (errno)); Prog, (unsigned long) user_id, (unsigned long) user_newid, strerror (errno));
@ -2012,17 +2016,16 @@ static void update_lastlog (void)
memzero (&ll, sizeof (ll)); memzero (&ll, sizeof (ll));
if ( (lseek (fd, off_newuid, SEEK_SET) != off_newuid) if ( (lseek (fd, off_newuid, SEEK_SET) != off_newuid)
|| (write (fd, &ll, sizeof ll) != (ssize_t) sizeof ll) || (write (fd, &ll, sizeof ll) != (ssize_t) sizeof ll)
|| (fsync (fd) != 0) || (fsync (fd) != 0)) {
|| (close (fd) != 0)) {
fprintf (stderr, fprintf (stderr,
_("%s: failed to copy the lastlog entry of user %lu to user %lu: %s\n"), _("%s: failed to copy the lastlog entry of user %lu to user %lu: %s\n"),
Prog, (unsigned long) user_id, (unsigned long) user_newid, strerror (errno)); Prog, (unsigned long) user_id, (unsigned long) user_newid, strerror (errno));
} }
} else { }
}
(void) close (fd); (void) close (fd);
} }
}
}
/* /*
* update_faillog - update the faillog file * update_faillog - update the faillog file
@ -2056,8 +2059,7 @@ static void update_faillog (void)
/* Copy the old entry to its new location */ /* Copy the old entry to its new location */
if ( (lseek (fd, off_newuid, SEEK_SET) != off_newuid) if ( (lseek (fd, off_newuid, SEEK_SET) != off_newuid)
|| (write (fd, &fl, sizeof fl) != (ssize_t) sizeof fl) || (write (fd, &fl, sizeof fl) != (ssize_t) sizeof fl)
|| (fsync (fd) != 0) || (fsync (fd) != 0)) {
|| (close (fd) != 0)) {
fprintf (stderr, fprintf (stderr,
_("%s: failed to copy the faillog entry of user %lu to user %lu: %s\n"), _("%s: failed to copy the faillog entry of user %lu to user %lu: %s\n"),
Prog, (unsigned long) user_id, (unsigned long) user_newid, strerror (errno)); Prog, (unsigned long) user_id, (unsigned long) user_newid, strerror (errno));
@ -2072,17 +2074,16 @@ static void update_faillog (void)
/* Reset the new uid's faillog entry */ /* Reset the new uid's faillog entry */
memzero (&fl, sizeof (fl)); memzero (&fl, sizeof (fl));
if ( (lseek (fd, off_newuid, SEEK_SET) != off_newuid) if ( (lseek (fd, off_newuid, SEEK_SET) != off_newuid)
|| (write (fd, &fl, sizeof fl) != (ssize_t) sizeof fl) || (write (fd, &fl, sizeof fl) != (ssize_t) sizeof fl)) {
|| (close (fd) != 0)) {
fprintf (stderr, fprintf (stderr,
_("%s: failed to copy the faillog entry of user %lu to user %lu: %s\n"), _("%s: failed to copy the faillog entry of user %lu to user %lu: %s\n"),
Prog, (unsigned long) user_id, (unsigned long) user_newid, strerror (errno)); Prog, (unsigned long) user_id, (unsigned long) user_newid, strerror (errno));
} }
} else { }
}
(void) close (fd); (void) close (fd);
} }
}
}
#ifndef NO_MOVE_MAILBOX #ifndef NO_MOVE_MAILBOX
/* /*