diff options
Diffstat (limited to 'REORG.TODO/nis/nis_removemember.c')
| -rw-r--r-- | REORG.TODO/nis/nis_removemember.c | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/REORG.TODO/nis/nis_removemember.c b/REORG.TODO/nis/nis_removemember.c new file mode 100644 index 0000000000..af9e2a899c --- /dev/null +++ b/REORG.TODO/nis/nis_removemember.c @@ -0,0 +1,93 @@ +/* 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_removemember (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, "."); + stpcpy (cp, cp2); + } + res = nis_lookup (buf, FOLLOW_LINKS | EXPAND_NAME); + if (res == NULL) + return NIS_NOMEMORY; + 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; + } + + nis_name *gr_members_val + = NIS_RES_OBJECT(res)->GR_data.gr_members.gr_members_val; + u_int gr_members_len + = NIS_RES_OBJECT(res)->GR_data.gr_members.gr_members_len; + + u_int j = 0; + for (u_int i = 0; i < gr_members_len; ++i) + if (strcmp (gr_members_val[i], member) != 0) + gr_members_val[j++] = gr_members_val[i]; + else + free (gr_members_val[i]); + + /* There is no need to reallocate the gr_members_val array. We + just adjust the size to match the number of strings still in + it. Yes, xdr_array will use mem_free with a size parameter + but this is mapped to a simple free call which determines the + size of the block by itself. */ + NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_len = j; + + 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_removemember, GLIBC_2_1) |