diff options
Diffstat (limited to 'REORG.TODO/nis/nis_addmember.c')
| -rw-r--r-- | REORG.TODO/nis/nis_addmember.c | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/REORG.TODO/nis/nis_addmember.c b/REORG.TODO/nis/nis_addmember.c new file mode 100644 index 0000000000..d2c47ab18f --- /dev/null +++ b/REORG.TODO/nis/nis_addmember.c @@ -0,0 +1,94 @@ +/* Copyright (c) 1997-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <assert.h> +#include <string.h> +#include <rpcsvc/nis.h> +#include <shlib-compat.h> + +nis_error +nis_addmember (const_nis_name member, const_nis_name group) +{ + if (group != NULL && group[0] != '\0') + { + size_t grouplen = strlen (group); + char buf[grouplen + 14 + NIS_MAXNAMELEN]; + char domainbuf[grouplen + 2]; + nis_result *res, *res2; + nis_error status; + char *cp, *cp2; + + cp = rawmemchr (nis_leaf_of_r (group, buf, sizeof (buf) - 1), '\0'); + cp = stpcpy (cp, ".groups_dir"); + cp2 = nis_domain_of_r (group, domainbuf, sizeof (domainbuf) - 1); + if (cp2 != NULL && cp2[0] != '\0') + { + *cp++ = '.'; + stpcpy (cp, cp2); + } + res = nis_lookup (buf, FOLLOW_LINKS | EXPAND_NAME); + if (NIS_RES_STATUS (res) != NIS_SUCCESS) + { + status = NIS_RES_STATUS (res); + nis_freeresult (res); + return status; + } + if (NIS_RES_NUMOBJ (res) != 1 + || __type_of (NIS_RES_OBJECT (res)) != NIS_GROUP_OBJ) + { + nis_freeresult (res); + return NIS_INVALIDOBJ; + } + + u_int gr_members_len + = NIS_RES_OBJECT(res)->GR_data.gr_members.gr_members_len; + + nis_name *new_gr_members_val + = realloc (NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_val, + (gr_members_len + 1) * sizeof (nis_name)); + if (new_gr_members_val == NULL) + goto nomem_out; + + NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_val + = new_gr_members_val; + + new_gr_members_val[gr_members_len] = strdup (member); + if (new_gr_members_val[gr_members_len] == NULL) + { + nomem_out: + nis_freeresult (res); + return NIS_NOMEMORY; + } + ++NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_len; + + /* Check the buffer bounds are not exceeded. */ + assert (strlen (NIS_RES_OBJECT(res)->zo_name) + 1 < grouplen + 14); + cp = stpcpy (buf, NIS_RES_OBJECT(res)->zo_name); + *cp++ = '.'; + strncpy (cp, NIS_RES_OBJECT (res)->zo_domain, NIS_MAXNAMELEN); + res2 = nis_modify (buf, NIS_RES_OBJECT (res)); + status = NIS_RES_STATUS (res2); + nis_freeresult (res); + nis_freeresult (res2); + + return status; + } + else + return NIS_FAIL; +} +libnsl_hidden_nolink_def (nis_addmember, GLIBC_2_1) |