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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 13:14:46 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 13:14:46 +0000 |
commit | 025c439e829e0db9ac511cd9c1b8d5fd53475ead (patch) | |
tree | fa6986b4690f991613ffb97cea1f6942427baf5d /plugins/sudoers/sudoers_ctx_free.c | |
parent | Initial commit. (diff) | |
download | sudo-025c439e829e0db9ac511cd9c1b8d5fd53475ead.tar.xz sudo-025c439e829e0db9ac511cd9c1b8d5fd53475ead.zip |
Adding upstream version 1.9.15p5.upstream/1.9.15p5upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'plugins/sudoers/sudoers_ctx_free.c')
-rw-r--r-- | plugins/sudoers/sudoers_ctx_free.c | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/plugins/sudoers/sudoers_ctx_free.c b/plugins/sudoers/sudoers_ctx_free.c new file mode 100644 index 0000000..b9c5af6 --- /dev/null +++ b/plugins/sudoers/sudoers_ctx_free.c @@ -0,0 +1,94 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2023 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 <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include <sudoers.h> + +/* + * Free memory allocated for struct sudoers_context. + */ +void +sudoers_ctx_free(struct sudoers_context *ctx) +{ + debug_decl(sudoers_ctx_free, SUDOERS_DEBUG_PLUGIN); + + /* Free remaining references to password and group entries. */ + if (ctx->user.pw != NULL) + sudo_pw_delref(ctx->user.pw); + if (ctx->user.gid_list != NULL) + sudo_gidlist_delref(ctx->user.gid_list); + + /* Free dynamic contents of user_ctx. */ + free(ctx->user.cwd); + free(ctx->user.name); + if (ctx->user.ttypath != NULL) + free(ctx->user.ttypath); + else + free(ctx->user.tty); + if (ctx->user.shost != ctx->user.host) + free(ctx->user.shost); + free(ctx->user.host); + free(ctx->user.cmnd); + canon_path_free(ctx->user.cmnd_dir); + free(ctx->user.cmnd_args); + free(ctx->user.cmnd_list); + free(ctx->user.cmnd_stat); + + /* Free remaining references to password and group entries. */ + if (ctx->runas.pw != NULL) + sudo_pw_delref(ctx->runas.pw); + if (ctx->runas.gr != NULL) + sudo_gr_delref(ctx->runas.gr); + if (ctx->runas.list_pw != NULL) + sudo_pw_delref(ctx->runas.list_pw); + + /* Free dynamic contents of ctx->runas. */ + free(ctx->runas.cmnd); + free(ctx->runas.cmnd_saved); + if (ctx->runas.shost != ctx->runas.host) + free(ctx->runas.shost); + free(ctx->runas.host); +#ifdef HAVE_SELINUX + free(ctx->runas.role); + free(ctx->runas.type); +#endif +#ifdef HAVE_APPARMOR + free(ctx->runas.apparmor_profile); +#endif +#ifdef HAVE_PRIV_SET + free(ctx->runas.privs); + free(ctx->runas.limitprivs); +#endif + + /* Free dynamic contents of ctx. */ + free(ctx->source); + + memset(ctx, 0, sizeof(*ctx)); + + debug_return; +} |