| 1 | /*
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| 2 | Unix SMB/CIFS implementation.
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| 3 |
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| 4 | Safe versions of getpw* calls
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| 5 |
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| 6 | Copyright (C) Andrew Tridgell 1992-1998
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| 7 | Copyright (C) Jeremy Allison 1998-2005
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| 8 | Copyright (C) Andrew Bartlett 2002
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| 9 | Copyright (C) Timur Bakeyev 2005
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| 10 | Copyright (C) Bjoern Jacke 2006-2007
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| 11 |
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| 12 |
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| 13 | This program is free software; you can redistribute it and/or modify
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| 14 | it under the terms of the GNU General Public License as published by
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| 15 | the Free Software Foundation; either version 3 of the License, or
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| 16 | (at your option) any later version.
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| 17 |
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| 18 | This program is distributed in the hope that it will be useful,
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| 19 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 20 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 21 | GNU General Public License for more details.
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| 22 |
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| 23 | You should have received a copy of the GNU General Public License
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| 24 | along with this program. If not, see <http://www.gnu.org/licenses/>.
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| 25 | */
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| 26 |
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| 27 | #include "includes.h"
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| 28 | #include "system/passwd.h"
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| 29 | #include "lib/util/util_pw.h"
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| 30 |
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| 31 | struct passwd *tcopy_passwd(TALLOC_CTX *mem_ctx,
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| 32 | const struct passwd *from)
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| 33 | {
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| 34 | struct passwd *ret;
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| 35 | size_t len = 0;
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| 36 |
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| 37 | len += strlen(from->pw_name)+1;
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| 38 | len += strlen(from->pw_passwd)+1;
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| 39 | len += strlen(from->pw_gecos)+1;
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| 40 | len += strlen(from->pw_dir)+1;
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| 41 | len += strlen(from->pw_shell)+1;
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| 42 |
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| 43 | ret = talloc_pooled_object(mem_ctx, struct passwd, 5, len);
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| 44 |
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| 45 | if (ret == NULL) {
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| 46 | return NULL;
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| 47 | }
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| 48 |
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| 49 | ret->pw_name = talloc_strdup(ret, from->pw_name);
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| 50 | ret->pw_passwd = talloc_strdup(ret, from->pw_passwd);
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| 51 | ret->pw_uid = from->pw_uid;
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| 52 | ret->pw_gid = from->pw_gid;
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| 53 | ret->pw_gecos = talloc_strdup(ret, from->pw_gecos);
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| 54 | ret->pw_dir = talloc_strdup(ret, from->pw_dir);
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| 55 | ret->pw_shell = talloc_strdup(ret, from->pw_shell);
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| 56 |
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| 57 | return ret;
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| 58 | }
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| 59 |
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| 60 | struct passwd *getpwnam_alloc(TALLOC_CTX *mem_ctx, const char *name)
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| 61 | {
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| 62 | struct passwd *temp;
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| 63 |
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| 64 | temp = getpwnam(name);
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| 65 |
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| 66 | if (!temp) {
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| 67 | #if 0
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| 68 | if (errno == ENOMEM) {
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| 69 | /* what now? */
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| 70 | }
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| 71 | #endif
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| 72 | return NULL;
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| 73 | }
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| 74 |
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| 75 | return tcopy_passwd(mem_ctx, temp);
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| 76 | }
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| 77 |
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| 78 | /****************************************************************************
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| 79 | talloc'ed version of getpwuid.
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| 80 | ****************************************************************************/
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| 81 |
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| 82 | struct passwd *getpwuid_alloc(TALLOC_CTX *mem_ctx, uid_t uid)
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| 83 | {
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| 84 | struct passwd *temp;
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| 85 |
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| 86 | temp = getpwuid(uid);
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| 87 |
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| 88 | if (!temp) {
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| 89 | #if 0
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| 90 | if (errno == ENOMEM) {
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| 91 | /* what now? */
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| 92 | }
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| 93 | #endif
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| 94 | return NULL;
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| 95 | }
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| 96 |
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| 97 | return tcopy_passwd(mem_ctx, temp);
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| 98 | }
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