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688903eb | 1 | /* Copyright (c) 1997-2018 Free Software Foundation, Inc. |
51702635 UD |
2 | This file is part of the GNU C Library. |
3 | Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997. | |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
41bdb6e2 AJ |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
51702635 UD |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 13 | Lesser General Public License for more details. |
51702635 | 14 | |
41bdb6e2 | 15 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
51702635 | 18 | |
faf43462 | 19 | #include <assert.h> |
51702635 UD |
20 | #include <string.h> |
21 | #include <rpcsvc/nis.h> | |
82f43dd2 | 22 | #include <shlib-compat.h> |
51702635 UD |
23 | |
24 | nis_error | |
25 | nis_addmember (const_nis_name member, const_nis_name group) | |
26 | { | |
a53bad16 | 27 | if (group != NULL && group[0] != '\0') |
51702635 | 28 | { |
a53bad16 UD |
29 | size_t grouplen = strlen (group); |
30 | char buf[grouplen + 14 + NIS_MAXNAMELEN]; | |
a53bad16 | 31 | char domainbuf[grouplen + 2]; |
51702635 UD |
32 | nis_result *res, *res2; |
33 | nis_error status; | |
34 | char *cp, *cp2; | |
35 | ||
1663b44f | 36 | cp = rawmemchr (nis_leaf_of_r (group, buf, sizeof (buf) - 1), '\0'); |
51702635 UD |
37 | cp = stpcpy (cp, ".groups_dir"); |
38 | cp2 = nis_domain_of_r (group, domainbuf, sizeof (domainbuf) - 1); | |
a53bad16 | 39 | if (cp2 != NULL && cp2[0] != '\0') |
51702635 | 40 | { |
714a562f UD |
41 | *cp++ = '.'; |
42 | stpcpy (cp, cp2); | |
51702635 | 43 | } |
1663b44f | 44 | res = nis_lookup (buf, FOLLOW_LINKS | EXPAND_NAME); |
dfd2257a | 45 | if (NIS_RES_STATUS (res) != NIS_SUCCESS) |
51702635 | 46 | { |
dfd2257a | 47 | status = NIS_RES_STATUS (res); |
51702635 UD |
48 | nis_freeresult (res); |
49 | return status; | |
50 | } | |
1663b44f UD |
51 | if (NIS_RES_NUMOBJ (res) != 1 |
52 | || __type_of (NIS_RES_OBJECT (res)) != NIS_GROUP_OBJ) | |
843ede44 UD |
53 | { |
54 | nis_freeresult (res); | |
55 | return NIS_INVALIDOBJ; | |
56 | } | |
51702635 | 57 | |
1663b44f UD |
58 | u_int gr_members_len |
59 | = NIS_RES_OBJECT(res)->GR_data.gr_members.gr_members_len; | |
60 | ||
61 | nis_name *new_gr_members_val | |
dfd2257a | 62 | = realloc (NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_val, |
1663b44f UD |
63 | (gr_members_len + 1) * sizeof (nis_name)); |
64 | if (new_gr_members_val == NULL) | |
843ede44 | 65 | goto nomem_out; |
1663b44f UD |
66 | |
67 | NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_val | |
68 | = new_gr_members_val; | |
69 | ||
70 | new_gr_members_val[gr_members_len] = strdup (member); | |
71 | if (new_gr_members_val[gr_members_len] == NULL) | |
843ede44 | 72 | { |
843ede44 UD |
73 | nomem_out: |
74 | nis_freeresult (res); | |
75 | return NIS_NOMEMORY; | |
76 | } | |
dfd2257a | 77 | ++NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_len; |
51702635 | 78 | |
faf43462 UD |
79 | /* Check the buffer bounds are not exceeded. */ |
80 | assert (strlen (NIS_RES_OBJECT(res)->zo_name) + 1 < grouplen + 14); | |
dfd2257a | 81 | cp = stpcpy (buf, NIS_RES_OBJECT(res)->zo_name); |
714a562f | 82 | *cp++ = '.'; |
dfd2257a UD |
83 | strncpy (cp, NIS_RES_OBJECT (res)->zo_domain, NIS_MAXNAMELEN); |
84 | res2 = nis_modify (buf, NIS_RES_OBJECT (res)); | |
85 | status = NIS_RES_STATUS (res2); | |
51702635 UD |
86 | nis_freeresult (res); |
87 | nis_freeresult (res2); | |
88 | ||
89 | return status; | |
90 | } | |
91 | else | |
92 | return NIS_FAIL; | |
93 | } | |
1e4d83f6 | 94 | libnsl_hidden_nolink_def (nis_addmember, GLIBC_2_1) |