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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 17:20:00 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 17:20:00 +0000
commit8daa83a594a2e98f39d764422bfbdbc62c9efd44 (patch)
tree4099e8021376c7d8c05bdf8503093d80e9c7bad0 /lib/util/util_pw.c
parentInitial commit. (diff)
downloadsamba-8daa83a594a2e98f39d764422bfbdbc62c9efd44.tar.xz
samba-8daa83a594a2e98f39d764422bfbdbc62c9efd44.zip
Adding upstream version 2:4.20.0+dfsg.upstream/2%4.20.0+dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'lib/util/util_pw.c')
-rw-r--r--lib/util/util_pw.c99
1 files changed, 99 insertions, 0 deletions
diff --git a/lib/util/util_pw.c b/lib/util/util_pw.c
new file mode 100644
index 0000000..8035de4
--- /dev/null
+++ b/lib/util/util_pw.c
@@ -0,0 +1,99 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ Safe versions of getpw* calls
+
+ Copyright (C) Andrew Tridgell 1992-1998
+ Copyright (C) Jeremy Allison 1998-2005
+ Copyright (C) Andrew Bartlett 2002
+ Copyright (C) Timur Bakeyev 2005
+ Copyright (C) Bjoern Jacke 2006-2007
+
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "replace.h"
+#include <talloc.h>
+#include "system/passwd.h"
+#include "lib/util/util_pw.h"
+
+struct passwd *tcopy_passwd(TALLOC_CTX *mem_ctx,
+ const struct passwd *from)
+{
+ struct passwd *ret;
+ size_t len = 0;
+
+ len += strlen(from->pw_name)+1;
+ len += strlen(from->pw_passwd)+1;
+ len += strlen(from->pw_gecos)+1;
+ len += strlen(from->pw_dir)+1;
+ len += strlen(from->pw_shell)+1;
+
+ ret = talloc_pooled_object(mem_ctx, struct passwd, 5, len);
+
+ if (ret == NULL) {
+ return NULL;
+ }
+
+ ret->pw_name = talloc_strdup(ret, from->pw_name);
+ ret->pw_passwd = talloc_strdup(ret, from->pw_passwd);
+ ret->pw_uid = from->pw_uid;
+ ret->pw_gid = from->pw_gid;
+ ret->pw_gecos = talloc_strdup(ret, from->pw_gecos);
+ ret->pw_dir = talloc_strdup(ret, from->pw_dir);
+ ret->pw_shell = talloc_strdup(ret, from->pw_shell);
+
+ return ret;
+}
+
+struct passwd *getpwnam_alloc(TALLOC_CTX *mem_ctx, const char *name)
+{
+ struct passwd *temp;
+
+ temp = getpwnam(name);
+
+ if (!temp) {
+#if 0
+ if (errno == ENOMEM) {
+ /* what now? */
+ }
+#endif
+ return NULL;
+ }
+
+ return tcopy_passwd(mem_ctx, temp);
+}
+
+/****************************************************************************
+ talloc'ed version of getpwuid.
+****************************************************************************/
+
+struct passwd *getpwuid_alloc(TALLOC_CTX *mem_ctx, uid_t uid)
+{
+ struct passwd *temp;
+
+ temp = getpwuid(uid);
+
+ if (!temp) {
+#if 0
+ if (errno == ENOMEM) {
+ /* what now? */
+ }
+#endif
+ return NULL;
+ }
+
+ return tcopy_passwd(mem_ctx, temp);
+}