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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 14:37:38 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 14:37:38 +0000 |
commit | ae581a19fbe896a797450b9d9573fb66f2735227 (patch) | |
tree | 56c40be8518a29c9351364d13a9676aa83932dc0 /plugins/sudoers/getspwuid.c | |
parent | Initial commit. (diff) | |
download | sudo-upstream.tar.xz sudo-upstream.zip |
Adding upstream version 1.9.13p3.upstream/1.9.13p3upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | plugins/sudoers/getspwuid.c | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/plugins/sudoers/getspwuid.c b/plugins/sudoers/getspwuid.c new file mode 100644 index 0000000..650b3f3 --- /dev/null +++ b/plugins/sudoers/getspwuid.c @@ -0,0 +1,139 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 1996, 1998-2005, 2010-2012, 2014-2015 + * 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. + * + * Sponsored in part by the Defense Advanced Research Projects + * Agency (DARPA) and Air Force Research Laboratory, Air Force + * Materiel Command, USAF, under agreement number F39502-99-1-0512. + */ + +/* + * 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 <unistd.h> +#include <pwd.h> +#ifdef HAVE_GETSPNAM +# include <shadow.h> +#endif /* HAVE_GETSPNAM */ +#ifdef HAVE_GETPRPWNAM +# ifdef __hpux +# undef MAXINT +# include <hpsecurity.h> +# else +# include <sys/security.h> +# endif /* __hpux */ +# include <prot.h> +#endif /* HAVE_GETPRPWNAM */ + +#include "sudoers.h" + +/* + * Exported for auth/secureware.c + */ +#if defined(HAVE_GETPRPWNAM) && defined(__alpha) +int crypt_type = INT_MAX; +#endif /* HAVE_GETPRPWNAM && __alpha */ + +/* + * Return a copy of the encrypted password for the user described by pw. + * If shadow passwords are in use, look in the shadow file. + */ +char * +sudo_getepw(const struct passwd *pw) +{ + char *epw = NULL; + debug_decl(sudo_getepw, SUDOERS_DEBUG_AUTH); + + /* If there is a function to check for shadow enabled, use it... */ +#ifdef HAVE_ISCOMSEC + if (!iscomsec()) + goto done; +#endif /* HAVE_ISCOMSEC */ + +#ifdef HAVE_GETPWNAM_SHADOW + { + struct passwd *spw; + + /* On OpenBSD we need to closed the non-shadow passwd db first. */ + endpwent(); + if ((spw = getpwnam_shadow(pw->pw_name)) != NULL) + epw = spw->pw_passwd; + setpassent(1); + } +#endif /* HAVE_GETPWNAM_SHADOW */ +#ifdef HAVE_GETPRPWNAM + { + struct pr_passwd *spw; + + if ((spw = getprpwnam(pw->pw_name)) && spw->ufld.fd_encrypt) { +# ifdef __alpha + crypt_type = spw->ufld.fd_oldcrypt; +# endif /* __alpha */ + epw = spw->ufld.fd_encrypt; + } + } +#endif /* HAVE_GETPRPWNAM */ +#ifdef HAVE_GETSPNAM + { + struct spwd *spw; + + if ((spw = getspnam(pw->pw_name)) && spw->sp_pwdp) + epw = spw->sp_pwdp; + } +#endif /* HAVE_GETSPNAM */ + +#if defined(HAVE_ISCOMSEC) +done: +#endif + /* If no shadow password, fall back on regular password. */ + debug_return_str(strdup(epw ? epw : pw->pw_passwd)); +} + +void +sudo_setspent(void) +{ + debug_decl(sudo_setspent, SUDOERS_DEBUG_AUTH); + +#ifdef HAVE_GETPRPWNAM + setprpwent(); +#endif +#ifdef HAVE_GETSPNAM + setspent(); +#endif + debug_return; +} + +void +sudo_endspent(void) +{ + debug_decl(sudo_endspent, SUDOERS_DEBUG_AUTH); + +#ifdef HAVE_GETPRPWNAM + endprpwent(); +#endif +#ifdef HAVE_GETSPNAM + endspent(); +#endif + debug_return; +} |