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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 02:23:56 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 02:23:56 +0000 |
commit | 9620f76a210d9d8c1aaff25e99d6dc513f87e6e9 (patch) | |
tree | ceecc90fb95780872c35da764c5163f38e4727c4 /lib/util/gidlist.c | |
parent | Initial commit. (diff) | |
download | sudo-9620f76a210d9d8c1aaff25e99d6dc513f87e6e9.tar.xz sudo-9620f76a210d9d8c1aaff25e99d6dc513f87e6e9.zip |
Adding upstream version 1.8.27.upstream/1.8.27upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | lib/util/gidlist.c | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/lib/util/gidlist.c b/lib/util/gidlist.c new file mode 100644 index 0000000..1adf9bc --- /dev/null +++ b/lib/util/gidlist.c @@ -0,0 +1,90 @@ +/* + * Copyright (c) 2013-2015 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#include <sys/types.h> + +#include <stdio.h> +#include <stdlib.h> +#include <grp.h> + +#define DEFAULT_TEXT_DOMAIN "sudo" +#include "sudo_gettext.h" /* must be included before sudo_compat.h */ + +#include "sudo_compat.h" +#include "sudo_fatal.h" +#include "sudo_debug.h" +#include "sudo_util.h" + +/* + * Parse a comma-separated list of gids into an allocated array of GETGROUPS_T. + * If a pointer to the base gid is specified, it is stored as the first element + * in the array. + * Returns the number of gids in the allocated array. + */ +int +sudo_parse_gids_v1(const char *gidstr, const gid_t *basegid, GETGROUPS_T **gidsp) +{ + int ngids = 0; + GETGROUPS_T *gids; + const char *cp = gidstr; + const char *errstr; + char *ep; + debug_decl(sudo_parse_gids, SUDO_DEBUG_UTIL) + + /* Count groups. */ + if (*cp != '\0') { + ngids++; + do { + if (*cp++ == ',') + ngids++; + } while (*cp != '\0'); + } + /* Base gid is optional. */ + if (basegid != NULL) + ngids++; + /* Allocate and fill in array. */ + if (ngids != 0) { + gids = reallocarray(NULL, ngids, sizeof(GETGROUPS_T)); + if (gids == NULL) { + sudo_warnx(U_("%s: %s"), __func__, U_("unable to allocate memory")); + debug_return_int(-1); + } + ngids = 0; + if (basegid != NULL) + gids[ngids++] = *basegid; + cp = gidstr; + do { + gids[ngids] = (GETGROUPS_T) sudo_strtoid(cp, ",", &ep, &errstr); + if (errstr != NULL) { + sudo_warnx(U_("%s: %s"), cp, U_(errstr)); + free(gids); + debug_return_int(-1); + } + if (basegid == NULL || gids[ngids] != *basegid) + ngids++; + cp = ep + 1; + } while (*ep != '\0'); + *gidsp = gids; + } + debug_return_int(ngids); +} |