shared: merge {user,group}-record-nss.{c,h}

They both are both short and contain similar parts and various helper will be
shared between both parts of the code so it's easier to use a single file.

9 files changed, 225 insertions, 241 deletions

diff --git a/src/nss-systemd/nss-systemd.c b/src/nss-systemd/nss-systemd.c
index 5dc5aacdff..0e8c13f7ea 100644
--- a/src/nss-systemd/nss-systemd.c
+++ b/src/nss-systemd/nss-systemd.c
@@ -6,13 +6,13 @@
 #include "env-util.h"
 #include "errno-util.h"
 #include "fd-util.h"
-#include "group-record-nss.h"
 #include "macro.h"
 #include "nss-systemd.h"
 #include "nss-util.h"
 #include "pthread-util.h"
 #include "signal-util.h"
 #include "strv.h"
+#include "user-record-nss.h"
 #include "user-util.h"
 #include "userdb-glue.h"
 #include "userdb.h"
diff --git a/src/nss-systemd/userdb-glue.c b/src/nss-systemd/userdb-glue.c
index 8e5b3eba6c..2ac299d9a7 100644
--- a/src/nss-systemd/userdb-glue.c
+++ b/src/nss-systemd/userdb-glue.c
@@ -2,9 +2,9 @@
 
 #include "env-util.h"
 #include "fd-util.h"
-#include "group-record-nss.h"
 #include "nss-systemd.h"
 #include "strv.h"
+#include "user-record-nss.h"
 #include "user-record.h"
 #include "userdb-glue.h"
 #include "userdb.h"
diff --git a/src/shared/group-record-nss.c b/src/shared/group-record-nss.c
deleted file mode 100644
index b018a46e18..0000000000
--- a/src/shared/group-record-nss.c
+++ /dev/null
@@ -1,219 +0,0 @@
-/* SPDX-License-Identifier: LGPL-2.1+ */
-
-#include "errno-util.h"
-#include "group-record-nss.h"
-#include "libcrypt-util.h"
-#include "strv.h"
-
-int nss_group_to_group_record(
-                const struct group *grp,
-                const struct sgrp *sgrp,
-                GroupRecord **ret) {
-
-        _cleanup_(group_record_unrefp) GroupRecord *g = NULL;
-        int r;
-
-        assert(grp);
-        assert(ret);
-
-        if (isempty(grp->gr_name))
-                return -EINVAL;
-
-        if (sgrp && !streq_ptr(sgrp->sg_namp, grp->gr_name))
-                return -EINVAL;
-
-        g = group_record_new();
-        if (!g)
-                return -ENOMEM;
-
-        g->group_name = strdup(grp->gr_name);
-        if (!g->group_name)
-                return -ENOMEM;
-
-        g->members = strv_copy(grp->gr_mem);
-        if (!g->members)
-                return -ENOMEM;
-
-        g->gid = grp->gr_gid;
-
-        if (sgrp) {
-                if (looks_like_hashed_password(sgrp->sg_passwd)) {
-                        g->hashed_password = strv_new(sgrp->sg_passwd);
-                        if (!g->hashed_password)
-                                return -ENOMEM;
-                }
-
-                r = strv_extend_strv(&g->members, sgrp->sg_mem, 1);
-                if (r < 0)
-                        return r;
-
-                g->administrators = strv_copy(sgrp->sg_adm);
-                if (!g->administrators)
-                        return -ENOMEM;
-        }
-
-        r = json_build(&g->json, JSON_BUILD_OBJECT(
-                                       JSON_BUILD_PAIR("groupName", JSON_BUILD_STRING(g->group_name)),
-                                       JSON_BUILD_PAIR("gid", JSON_BUILD_UNSIGNED(g->gid)),
-                                       JSON_BUILD_PAIR_CONDITION(!strv_isempty(g->members), "members", JSON_BUILD_STRV(g->members)),
-                                       JSON_BUILD_PAIR_CONDITION(!strv_isempty(g->hashed_password), "privileged", JSON_BUILD_OBJECT(JSON_BUILD_PAIR("hashedPassword", JSON_BUILD_STRV(g->hashed_password)))),
-                                       JSON_BUILD_PAIR_CONDITION(!strv_isempty(g->administrators), "administrators", JSON_BUILD_STRV(g->administrators))));
-        if (r < 0)
-                return r;
-
-        g->mask = USER_RECORD_REGULAR |
-                (!strv_isempty(g->hashed_password) ? USER_RECORD_PRIVILEGED : 0);
-
-        *ret = TAKE_PTR(g);
-        return 0;
-}
-
-int nss_sgrp_for_group(const struct group *grp, struct sgrp *ret_sgrp, char **ret_buffer) {
-        size_t buflen = 4096;
-        int r;
-
-        assert(grp);
-        assert(ret_sgrp);
-        assert(ret_buffer);
-
-        for (;;) {
-                _cleanup_free_ char *buf = NULL;
-                struct sgrp sgrp, *result;
-
-                buf = malloc(buflen);
-                if (!buf)
-                        return -ENOMEM;
-
-                r = getsgnam_r(grp->gr_name, &sgrp, buf, buflen, &result);
-                if (r == 0) {
-                        if (!result)
-                                return -ESRCH;
-
-                        *ret_sgrp = *result;
-                        *ret_buffer = TAKE_PTR(buf);
-                        return 0;
-                }
-                if (r < 0)
-                        return -EIO; /* Weird, this should not return negative! */
-                if (r != ERANGE)
-                        return -r;
-
-                if (buflen > SIZE_MAX / 2)
-                        return -ERANGE;
-
-                buflen *= 2;
-                buf = mfree(buf);
-        }
-}
-
-int nss_group_record_by_name(
-                const char *name,
-                bool with_shadow,
-                GroupRecord **ret) {
-
-        _cleanup_free_ char *buf = NULL, *sbuf = NULL;
-        struct group grp, *result;
-        bool incomplete = false;
-        size_t buflen = 4096;
-        struct sgrp sgrp, *sresult = NULL;
-        int r;
-
-        assert(name);
-        assert(ret);
-
-        for (;;) {
-                buf = malloc(buflen);
-                if (!buf)
-                        return -ENOMEM;
-
-                r = getgrnam_r(name, &grp, buf, buflen, &result);
-                if (r == 0)  {
-                        if (!result)
-                                return -ESRCH;
-
-                        break;
-                }
-
-                if (r < 0)
-                        return log_debug_errno(SYNTHETIC_ERRNO(EIO), "getgrnam_r() returned a negative value");
-                if (r != ERANGE)
-                        return -r;
-                if (buflen > SIZE_MAX / 2)
-                        return -ERANGE;
-
-                buflen *= 2;
-                buf = mfree(buf);
-        }
-
-        if (with_shadow) {
-                r = nss_sgrp_for_group(result, &sgrp, &sbuf);
-                if (r < 0) {
-                        log_debug_errno(r, "Failed to do shadow lookup for group %s, ignoring: %m", result->gr_name);
-                        incomplete = ERRNO_IS_PRIVILEGE(r);
-                } else
-                        sresult = &sgrp;
-        } else
-                incomplete = true;
-
-        r = nss_group_to_group_record(result, sresult, ret);
-        if (r < 0)
-                return r;
-
-        (*ret)->incomplete = incomplete;
-        return 0;
-}
-
-int nss_group_record_by_gid(
-                gid_t gid,
-                bool with_shadow,
-                GroupRecord **ret) {
-
-        _cleanup_free_ char *buf = NULL, *sbuf = NULL;
-        struct group grp, *result;
-        bool incomplete = false;
-        size_t buflen = 4096;
-        struct sgrp sgrp, *sresult = NULL;
-        int r;
-
-        assert(ret);
-
-        for (;;) {
-                buf = malloc(buflen);
-                if (!buf)
-                        return -ENOMEM;
-
-                r = getgrgid_r(gid, &grp, buf, buflen, &result);
-                if (r == 0)  {
-                        if (!result)
-                                return -ESRCH;
-                        break;
-                }
-
-                if (r < 0)
-                        return log_debug_errno(SYNTHETIC_ERRNO(EIO), "getgrgid_r() returned a negative value");
-                if (r != ERANGE)
-                        return -r;
-                if (buflen > SIZE_MAX / 2)
-                        return -ERANGE;
-
-                buflen *= 2;
-                buf = mfree(buf);
-        }
-
-        if (with_shadow) {
-                r = nss_sgrp_for_group(result, &sgrp, &sbuf);
-                if (r < 0) {
-                        log_debug_errno(r, "Failed to do shadow lookup for group %s, ignoring: %m", result->gr_name);
-                        incomplete = ERRNO_IS_PRIVILEGE(r);
-                } else
-                        sresult = &sgrp;
-        } else
-                incomplete = true;
-
-        r = nss_group_to_group_record(result, sresult, ret);
-        if (r < 0)
-                return r;
-
-        (*ret)->incomplete = incomplete;
-        return 0;
-}
diff --git a/src/shared/group-record-nss.h b/src/shared/group-record-nss.h
deleted file mode 100644
index 077c22d89f..0000000000
--- a/src/shared/group-record-nss.h
+++ /dev/null
@@ -1,15 +0,0 @@
-/* SPDX-License-Identifier: LGPL-2.1+ */
-#pragma once
-
-#include <grp.h>
-#include <gshadow.h>
-
-#include "group-record.h"
-
-/* Synthesize GroupRecord objects from NSS data */
-
-int nss_group_to_group_record(const struct group *grp, const struct sgrp *sgrp, GroupRecord **ret);
-int nss_sgrp_for_group(const struct group *grp, struct sgrp *ret_sgrp, char **ret_buffer);
-
-int nss_group_record_by_name(const char *name, bool with_shadow, GroupRecord **ret);
-int nss_group_record_by_gid(gid_t gid, bool with_shadow, GroupRecord **ret);
diff --git a/src/shared/meson.build b/src/shared/meson.build
index c149ff4cd8..572ac1de64 100644
--- a/src/shared/meson.build
+++ b/src/shared/meson.build
@@ -113,8 +113,6 @@ shared_sources = files('''
         geneve-util.h
         gpt.c
         gpt.h
-        group-record-nss.c
-        group-record-nss.h
         group-record.c
         group-record.h
         id128-print.c
diff --git a/src/shared/user-record-nss.c b/src/shared/user-record-nss.c
index b4c35b8a53..0da77dfc39 100644
--- a/src/shared/user-record-nss.c
+++ b/src/shared/user-record-nss.c
@@ -290,3 +290,216 @@ int nss_user_record_by_uid(
         (*ret)->incomplete = incomplete;
         return 0;
 }
+
+int nss_group_to_group_record(
+                const struct group *grp,
+                const struct sgrp *sgrp,
+                GroupRecord **ret) {
+
+        _cleanup_(group_record_unrefp) GroupRecord *g = NULL;
+        int r;
+
+        assert(grp);
+        assert(ret);
+
+        if (isempty(grp->gr_name))
+                return -EINVAL;
+
+        if (sgrp && !streq_ptr(sgrp->sg_namp, grp->gr_name))
+                return -EINVAL;
+
+        g = group_record_new();
+        if (!g)
+                return -ENOMEM;
+
+        g->group_name = strdup(grp->gr_name);
+        if (!g->group_name)
+                return -ENOMEM;
+
+        g->members = strv_copy(grp->gr_mem);
+        if (!g->members)
+                return -ENOMEM;
+
+        g->gid = grp->gr_gid;
+
+        if (sgrp) {
+                if (looks_like_hashed_password(sgrp->sg_passwd)) {
+                        g->hashed_password = strv_new(sgrp->sg_passwd);
+                        if (!g->hashed_password)
+                                return -ENOMEM;
+                }
+
+                r = strv_extend_strv(&g->members, sgrp->sg_mem, 1);
+                if (r < 0)
+                        return r;
+
+                g->administrators = strv_copy(sgrp->sg_adm);
+                if (!g->administrators)
+                        return -ENOMEM;
+        }
+
+        r = json_build(&g->json, JSON_BUILD_OBJECT(
+                                       JSON_BUILD_PAIR("groupName", JSON_BUILD_STRING(g->group_name)),
+                                       JSON_BUILD_PAIR("gid", JSON_BUILD_UNSIGNED(g->gid)),
+                                       JSON_BUILD_PAIR_CONDITION(!strv_isempty(g->members), "members", JSON_BUILD_STRV(g->members)),
+                                       JSON_BUILD_PAIR_CONDITION(!strv_isempty(g->hashed_password), "privileged", JSON_BUILD_OBJECT(JSON_BUILD_PAIR("hashedPassword", JSON_BUILD_STRV(g->hashed_password)))),
+                                       JSON_BUILD_PAIR_CONDITION(!strv_isempty(g->administrators), "administrators", JSON_BUILD_STRV(g->administrators))));
+        if (r < 0)
+                return r;
+
+        g->mask = USER_RECORD_REGULAR |
+                (!strv_isempty(g->hashed_password) ? USER_RECORD_PRIVILEGED : 0);
+
+        *ret = TAKE_PTR(g);
+        return 0;
+}
+
+int nss_sgrp_for_group(const struct group *grp, struct sgrp *ret_sgrp, char **ret_buffer) {
+        size_t buflen = 4096;
+        int r;
+
+        assert(grp);
+        assert(ret_sgrp);
+        assert(ret_buffer);
+
+        for (;;) {
+                _cleanup_free_ char *buf = NULL;
+                struct sgrp sgrp, *result;
+
+                buf = malloc(buflen);
+                if (!buf)
+                        return -ENOMEM;
+
+                r = getsgnam_r(grp->gr_name, &sgrp, buf, buflen, &result);
+                if (r == 0) {
+                        if (!result)
+                                return -ESRCH;
+
+                        *ret_sgrp = *result;
+                        *ret_buffer = TAKE_PTR(buf);
+                        return 0;
+                }
+                if (r < 0)
+                        return -EIO; /* Weird, this should not return negative! */
+                if (r != ERANGE)
+                        return -r;
+
+                if (buflen > SIZE_MAX / 2)
+                        return -ERANGE;
+
+                buflen *= 2;
+                buf = mfree(buf);
+        }
+}
+
+int nss_group_record_by_name(
+                const char *name,
+                bool with_shadow,
+                GroupRecord **ret) {
+
+        _cleanup_free_ char *buf = NULL, *sbuf = NULL;
+        struct group grp, *result;
+        bool incomplete = false;
+        size_t buflen = 4096;
+        struct sgrp sgrp, *sresult = NULL;
+        int r;
+
+        assert(name);
+        assert(ret);
+
+        for (;;) {
+                buf = malloc(buflen);
+                if (!buf)
+                        return -ENOMEM;
+
+                r = getgrnam_r(name, &grp, buf, buflen, &result);
+                if (r == 0)  {
+                        if (!result)
+                                return -ESRCH;
+
+                        break;
+                }
+
+                if (r < 0)
+                        return log_debug_errno(SYNTHETIC_ERRNO(EIO), "getgrnam_r() returned a negative value");
+                if (r != ERANGE)
+                        return -r;
+                if (buflen > SIZE_MAX / 2)
+                        return -ERANGE;
+
+                buflen *= 2;
+                buf = mfree(buf);
+        }
+
+        if (with_shadow) {
+                r = nss_sgrp_for_group(result, &sgrp, &sbuf);
+                if (r < 0) {
+                        log_debug_errno(r, "Failed to do shadow lookup for group %s, ignoring: %m", result->gr_name);
+                        incomplete = ERRNO_IS_PRIVILEGE(r);
+                } else
+                        sresult = &sgrp;
+        } else
+                incomplete = true;
+
+        r = nss_group_to_group_record(result, sresult, ret);
+        if (r < 0)
+                return r;
+
+        (*ret)->incomplete = incomplete;
+        return 0;
+}
+
+int nss_group_record_by_gid(
+                gid_t gid,
+                bool with_shadow,
+                GroupRecord **ret) {
+
+        _cleanup_free_ char *buf = NULL, *sbuf = NULL;
+        struct group grp, *result;
+        bool incomplete = false;
+        size_t buflen = 4096;
+        struct sgrp sgrp, *sresult = NULL;
+        int r;
+
+        assert(ret);
+
+        for (;;) {
+                buf = malloc(buflen);
+                if (!buf)
+                        return -ENOMEM;
+
+                r = getgrgid_r(gid, &grp, buf, buflen, &result);
+                if (r == 0)  {
+                        if (!result)
+                                return -ESRCH;
+                        break;
+                }
+
+                if (r < 0)
+                        return log_debug_errno(SYNTHETIC_ERRNO(EIO), "getgrgid_r() returned a negative value");
+                if (r != ERANGE)
+                        return -r;
+                if (buflen > SIZE_MAX / 2)
+                        return -ERANGE;
+
+                buflen *= 2;
+                buf = mfree(buf);
+        }
+
+        if (with_shadow) {
+                r = nss_sgrp_for_group(result, &sgrp, &sbuf);
+                if (r < 0) {
+                        log_debug_errno(r, "Failed to do shadow lookup for group %s, ignoring: %m", result->gr_name);
+                        incomplete = ERRNO_IS_PRIVILEGE(r);
+                } else
+                        sresult = &sgrp;
+        } else
+                incomplete = true;
+
+        r = nss_group_to_group_record(result, sresult, ret);
+        if (r < 0)
+                return r;
+
+        (*ret)->incomplete = incomplete;
+        return 0;
+}
diff --git a/src/shared/user-record-nss.h b/src/shared/user-record-nss.h
index 0eb78d5b52..e2a87f664c 100644
--- a/src/shared/user-record-nss.h
+++ b/src/shared/user-record-nss.h
@@ -1,15 +1,24 @@
 /* SPDX-License-Identifier: LGPL-2.1+ */
 #pragma once
 
+#include <grp.h>
+#include <gshadow.h>
 #include <pwd.h>
 #include <shadow.h>
 
+#include "group-record.h"
 #include "user-record.h"
 
-/* Synthesizes a UserRecord object from NSS data */
+/* Synthesize UserRecord and GroupRecord objects from NSS data */
 
 int nss_passwd_to_user_record(const struct passwd *pwd, const struct spwd *spwd, UserRecord **ret);
 int nss_spwd_for_passwd(const struct passwd *pwd, struct spwd *ret_spwd, char **ret_buffer);
 
 int nss_user_record_by_name(const char *name, bool with_shadow, UserRecord **ret);
 int nss_user_record_by_uid(uid_t uid, bool with_shadow, UserRecord **ret);
+
+int nss_group_to_group_record(const struct group *grp, const struct sgrp *sgrp, GroupRecord **ret);
+int nss_sgrp_for_group(const struct group *grp, struct sgrp *ret_sgrp, char **ret_buffer);
+
+int nss_group_record_by_name(const char *name, bool with_shadow, GroupRecord **ret);
+int nss_group_record_by_gid(gid_t gid, bool with_shadow, GroupRecord **ret);
diff --git a/src/shared/userdb.c b/src/shared/userdb.c
index 94120862df..57e58a61a9 100644
--- a/src/shared/userdb.c
+++ b/src/shared/userdb.c
@@ -6,7 +6,6 @@
 #include "dlfcn-util.h"
 #include "errno-util.h"
 #include "fd-util.h"
-#include "group-record-nss.h"
 #include "missing_syscall.h"
 #include "parse-util.h"
 #include "set.h"
diff --git a/src/userdb/userwork.c b/src/userdb/userwork.c
index d7202099be..a68011b3fc 100644
--- a/src/userdb/userwork.c
+++ b/src/userdb/userwork.c
@@ -7,7 +7,6 @@
 
 #include "env-util.h"
 #include "fd-util.h"
-#include "group-record-nss.h"
 #include "group-record.h"
 #include "io-util.h"
 #include "main-func.h"