2 Unix SMB/CIFS implementation.
3 Samba utility functions
4 Copyright (C) Andrew Tridgell 1992-1998
5 Copyright (C) Jeremy Allison 2001-2007
6 Copyright (C) Simo Sorce 2001
7 Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2003
8 Copyright (C) James Peach 2006
9 Copyright (c) 2020 Andreas Schneider <asn@samba.org>
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 3 of the License, or
14 (at your option) any later version.
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with this program. If not, see <http://www.gnu.org/licenses/>.
26 #include "dynconfig/dynconfig.h"
27 #include "lib/util/util_paths.h"
28 #include "system/passwd.h"
31 * @brief Returns an absolute path to a file in the Samba modules directory.
33 * @param name File to find, relative to MODULESDIR.
35 * @retval Pointer to a string containing the full path.
38 char *modules_path(TALLOC_CTX *mem_ctx, const char *name)
40 return talloc_asprintf(mem_ctx, "%s/%s", get_dyn_MODULESDIR(), name);
44 * @brief Returns an absolute path to a file in the Samba data directory.
46 * @param name File to find, relative to CODEPAGEDIR.
48 * @retval Pointer to a talloc'ed string containing the full path.
51 char *data_path(TALLOC_CTX *mem_ctx, const char *name)
53 return talloc_asprintf(mem_ctx, "%s/%s", get_dyn_CODEPAGEDIR(), name);
57 * @brief Returns the platform specific shared library extension.
59 * @retval Pointer to a const char * containing the extension.
62 const char *shlib_ext(void)
64 return get_dyn_SHLIBEXT();
67 static char *get_user_home_dir(TALLOC_CTX *mem_ctx)
69 struct passwd pwd = {0};
70 struct passwd *pwdbuf = NULL;
77 initlen = sysconf(_SC_GETPW_R_SIZE_MAX);
81 len = (size_t)initlen;
83 buf = talloc_size(mem_ctx, len);
88 rc = getpwuid_r(getuid(), &pwd, buf, len, &pwdbuf);
89 if (rc != 0 || pwdbuf == NULL ) {
90 const char *szPath = getenv("HOME");
94 len = strnlen(szPath, PATH_MAX);
95 if (len >= PATH_MAX) {
98 out = talloc_strdup(mem_ctx, szPath);
102 out = talloc_strdup(mem_ctx, pwd.pw_dir);
108 char *path_expand_tilde(TALLOC_CTX *mem_ctx, const char *d)
110 char *h = NULL, *r = NULL;
111 const char *p = NULL;
112 struct stat sb = {0};
116 return talloc_strdup(mem_ctx, d);
120 /* handle ~user/path */
122 if (p != NULL && p > d) {
127 if (s >= sizeof(u)) {
137 h = talloc_strdup(mem_ctx, pw->pw_dir);
140 h = get_user_home_dir(mem_ctx);
152 r = talloc_asprintf(mem_ctx, "%s%s", h, p);