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From ef9580ea1e2f1e57af3c7dcb0ec392ba8dbb5c8d Mon Sep 17 00:00:00 2001
From: Alex Kiernan <alex.kiernan@gmail.com>
Date: Tue, 10 Mar 2020 11:05:20 +0000
Subject: [PATCH] Handle missing gshadow
gshadow usage is now present in the userdb code. Mask all uses of it to
allow compilation on musl
Upstream-Status: Inappropriate [musl specific]
Signed-off-by: Alex Kiernan <alex.kiernan@gmail.com>
---
src/shared/group-record-nss.c | 20 ++++++++++++++++++++
src/shared/group-record-nss.h | 4 ++++
src/shared/userdb.c | 6 ++++++
3 files changed, 30 insertions(+)
--- a/src/shared/group-record-nss.c
+++ b/src/shared/group-record-nss.c
@@ -19,8 +19,10 @@ int nss_group_to_group_record(
if (isempty(grp->gr_name))
return -EINVAL;
+#if ENABLE_GSHADOW
if (sgrp && !streq_ptr(sgrp->sg_namp, grp->gr_name))
return -EINVAL;
+#endif
g = group_record_new();
if (!g)
@@ -36,6 +38,7 @@ int nss_group_to_group_record(
g->gid = grp->gr_gid;
+#if ENABLE_GSHADOW
if (sgrp) {
if (looks_like_hashed_password(sgrp->sg_passwd)) {
g->hashed_password = strv_new(sgrp->sg_passwd);
@@ -51,6 +54,7 @@ int nss_group_to_group_record(
if (!g->administrators)
return -ENOMEM;
}
+#endif
r = json_build(&g->json, JSON_BUILD_OBJECT(
JSON_BUILD_PAIR("groupName", JSON_BUILD_STRING(g->group_name)),
@@ -76,6 +80,7 @@ int nss_sgrp_for_group(const struct grou
assert(ret_sgrp);
assert(ret_buffer);
+#if ENABLE_GSHADOW
for (;;) {
_cleanup_free_ char *buf = NULL;
struct sgrp sgrp, *result;
@@ -104,6 +109,9 @@ int nss_sgrp_for_group(const struct grou
buflen *= 2;
buf = mfree(buf);
}
+#else
+ return -ESRCH;
+#endif
}
int nss_group_record_by_name(
@@ -115,7 +123,9 @@ int nss_group_record_by_name(
struct group grp, *result;
bool incomplete = false;
size_t buflen = 4096;
+#if ENABLE_GSHADOW
struct sgrp sgrp, *sresult = NULL;
+#endif
int r;
assert(name);
@@ -145,6 +155,7 @@ int nss_group_record_by_name(
buf = mfree(buf);
}
+#if ENABLE_GSHADOW
if (with_shadow) {
r = nss_sgrp_for_group(result, &sgrp, &sbuf);
if (r < 0) {
@@ -156,6 +167,9 @@ int nss_group_record_by_name(
incomplete = true;
r = nss_group_to_group_record(result, sresult, ret);
+#else
+ r = nss_group_to_group_record(result, NULL, ret);
+#endif
if (r < 0)
return r;
@@ -172,7 +186,9 @@ int nss_group_record_by_gid(
struct group grp, *result;
bool incomplete = false;
size_t buflen = 4096;
+#if ENABLE_GSHADOW
struct sgrp sgrp, *sresult = NULL;
+#endif
int r;
assert(ret);
@@ -200,6 +216,7 @@ int nss_group_record_by_gid(
buf = mfree(buf);
}
+#if ENABLE_GSHADOW
if (with_shadow) {
r = nss_sgrp_for_group(result, &sgrp, &sbuf);
if (r < 0) {
@@ -211,6 +228,9 @@ int nss_group_record_by_gid(
incomplete = true;
r = nss_group_to_group_record(result, sresult, ret);
+#else
+ r = nss_group_to_group_record(result, NULL, ret);
+#endif
if (r < 0)
return r;
--- a/src/shared/group-record-nss.h
+++ b/src/shared/group-record-nss.h
@@ -2,7 +2,11 @@
#pragma once
#include <grp.h>
+#if ENABLE_GSHADOW
#include <gshadow.h>
+#else
+struct sgrp;
+#endif
#include "group-record.h"
--- a/src/shared/userdb.c
+++ b/src/shared/userdb.c
@@ -930,13 +930,16 @@ int groupdb_iterator_get(UserDBIterator
if (gr) {
_cleanup_free_ char *buffer = NULL;
bool incomplete = false;
+#if ENABLE_GSHADOW
struct sgrp sgrp;
+#endif
if (streq_ptr(gr->gr_name, "root"))
iterator->synthesize_root = false;
if (gr->gr_gid == GID_NOBODY)
iterator->synthesize_nobody = false;
+#if ENABLE_GSHADOW
r = nss_sgrp_for_group(gr, &sgrp, &buffer);
if (r < 0) {
log_debug_errno(r, "Failed to acquire shadow entry for group %s, ignoring: %m", gr->gr_name);
@@ -944,6 +947,9 @@ int groupdb_iterator_get(UserDBIterator
}
r = nss_group_to_group_record(gr, r >= 0 ? &sgrp : NULL, ret);
+#else
+ r = nss_group_to_group_record(gr, NULL, ret);
+#endif
if (r < 0)
return r;
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