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Merge pull request #8499 from fbuihuu/shadow-support-nis

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sysusers: also add support for NIS entries in /etc/shadow
This commit is contained in:
Lennart Poettering 2018-03-20 12:16:43 +01:00 committed by GitHub
commit ed358dbd0e
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 27 additions and 2 deletions
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29
src/sysusers/sysusers.c
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@ -429,11 +429,12 @@ static int write_temporary_passwd(const char *passwd_path, FILE **tmpfile, char
return -EEXIST;
}
errno = 0;
/* Make sure we keep the NIS entries (if any) at the end. */
if (IN_SET(pw->pw_name[0], '+', '-'))
break;
errno = 0;
if (putpwent(pw, passwd) < 0)
return errno ? -errno : -EIO;
@ -471,6 +472,7 @@ static int write_temporary_passwd(const char *passwd_path, FILE **tmpfile, char
if (putpwent(&n, passwd) != 0)
return errno ? -errno : -EIO;
}
errno = 0;
/* Append the remaining NIS entries if any */
while (pw) {
@ -478,6 +480,7 @@ static int write_temporary_passwd(const char *passwd_path, FILE **tmpfile, char
if (putpwent(pw, passwd) < 0)
return errno ? -errno : -EIO;
errno = 0;
pw = fgetpwent(original);
}
if (!IN_SET(errno, 0, ENOENT))
@ -497,6 +500,7 @@ static int write_temporary_passwd(const char *passwd_path, FILE **tmpfile, char
static int write_temporary_shadow(const char *shadow_path, FILE **tmpfile, char **tmpfile_path) {
_cleanup_fclose_ FILE *original = NULL, *shadow = NULL;
_cleanup_(unlink_and_freep) char *shadow_tmp = NULL;
struct spwd *sp = NULL;
Iterator iterator;
long lstchg;
Item *i;
@ -513,7 +517,6 @@ static int write_temporary_shadow(const char *shadow_path, FILE **tmpfile, char
original = fopen(shadow_path, "re");
if (original) {
struct spwd *sp;
r = sync_rights(original, shadow);
if (r < 0)
@ -534,6 +537,11 @@ static int write_temporary_shadow(const char *shadow_path, FILE **tmpfile, char
}
errno = 0;
/* Make sure we keep the NIS entries (if any) at the end. */
if (IN_SET(sp->sp_namp[0], '+', '-'))
break;
if (putspent(sp, shadow) < 0)
return errno ? -errno : -EIO;
@ -566,6 +574,19 @@ static int write_temporary_shadow(const char *shadow_path, FILE **tmpfile, char
if (putspent(&n, shadow) != 0)
return errno ? -errno : -EIO;
}
errno = 0;
/* Append the remaining NIS entries if any */
while (sp) {
errno = 0;
if (putspent(sp, shadow) < 0)
return errno ? -errno : -EIO;
errno = 0;
sp = fgetspent(original);
}
if (!IN_SET(errno, 0, ENOENT))
return -errno;
r = fflush_sync_and_check(shadow);
if (r < 0)
@ -619,6 +640,8 @@ static int write_temporary_group(const char *group_path, FILE **tmpfile, char **
return -EEXIST;
}
errno = 0;
/* Make sure we keep the NIS entries (if any) at the end. */
if (IN_SET(gr->gr_name[0], '+', '-'))
break;
@ -654,6 +677,7 @@ static int write_temporary_group(const char *group_path, FILE **tmpfile, char **
group_changed = true;
}
errno = 0;
/* Append the remaining NIS entries if any */
while (gr) {
@ -661,6 +685,7 @@ static int write_temporary_group(const char *group_path, FILE **tmpfile, char **
if (putgrent(gr, group) != 0)
return errno > 0 ? -errno : -EIO;
errno = 0;
gr = fgetgrent(original);
}
if (!IN_SET(errno, 0, ENOENT))