From 646ea20decc87530f871e5c56e96980c93fcf391 Mon Sep 17 00:00:00 2001 From: des Date: Sat, 13 Dec 2008 22:45:22 +0000 Subject: Flatten and clean up. --- contrib/openpam/bin/Makefile.am | 7 - contrib/openpam/bin/Makefile.in | 490 ------------------------------------- contrib/openpam/bin/su/Makefile.am | 7 - contrib/openpam/bin/su/Makefile.in | 467 ----------------------------------- contrib/openpam/bin/su/su.c | 188 -------------- 5 files changed, 1159 deletions(-) delete mode 100644 contrib/openpam/bin/Makefile.am delete mode 100644 contrib/openpam/bin/Makefile.in delete mode 100644 contrib/openpam/bin/su/Makefile.am delete mode 100644 contrib/openpam/bin/su/Makefile.in delete mode 100644 contrib/openpam/bin/su/su.c (limited to 'contrib/openpam/bin') diff --git a/contrib/openpam/bin/Makefile.am b/contrib/openpam/bin/Makefile.am deleted file mode 100644 index 2b879cc..0000000 --- a/contrib/openpam/bin/Makefile.am +++ /dev/null @@ -1,7 +0,0 @@ -# $Id: Makefile.am 386 2006-04-12 10:26:27Z des $ - 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* ("CBOSS"), as part of the DARPA CHATS research program. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote - * products derived from this software without specific prior written - * permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * $Id: su.c 408 2007-12-21 11:36:24Z des $ - */ - -#include -#include - -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include /* for openpam_ttyconv() */ - -extern char **environ; - -static pam_handle_t *pamh; -static struct pam_conv pamc; - -static void -usage(void) -{ - - fprintf(stderr, "Usage: su [login [args]]\n"); - exit(1); -} - -int -main(int argc, char *argv[]) -{ - char hostname[MAXHOSTNAMELEN]; - const char *user, *tty; - const void *item; - char **args, **pam_envlist, **pam_env; - struct passwd *pwd; - int o, pam_err, status; - pid_t pid; - - while ((o = getopt(argc, argv, "h")) != -1) - switch (o) { - case 'h': - default: - usage(); - } - - argc -= optind; - argv += optind; - - if (argc > 0) { - user = *argv; - --argc; - ++argv; - } else { - user = "root"; - } - - /* initialize PAM */ - pamc.conv = &openpam_ttyconv; - pam_start("su", user, &pamc, &pamh); - - /* set some items */ - gethostname(hostname, sizeof(hostname)); - if ((pam_err = pam_set_item(pamh, PAM_RHOST, hostname)) != PAM_SUCCESS) - goto pamerr; - user = getlogin(); - if ((pam_err = pam_set_item(pamh, PAM_RUSER, user)) != PAM_SUCCESS) - goto pamerr; - tty = ttyname(STDERR_FILENO); - if ((pam_err = pam_set_item(pamh, PAM_TTY, tty)) != PAM_SUCCESS) - goto pamerr; - - /* authenticate the applicant */ - if ((pam_err = pam_authenticate(pamh, 0)) != PAM_SUCCESS) - goto pamerr; - if ((pam_err = pam_acct_mgmt(pamh, 0)) == PAM_NEW_AUTHTOK_REQD) - pam_err = pam_chauthtok(pamh, PAM_CHANGE_EXPIRED_AUTHTOK); - if (pam_err != PAM_SUCCESS) - goto pamerr; - - /* establish the requested credentials */ - if ((pam_err = pam_setcred(pamh, PAM_ESTABLISH_CRED)) != PAM_SUCCESS) - goto pamerr; - - /* authentication succeeded; open a session */ - if ((pam_err = pam_open_session(pamh, 0)) != PAM_SUCCESS) - goto pamerr; - - /* get mapped user name; PAM may have changed it */ - pam_err = pam_get_item(pamh, PAM_USER, &item); - if (pam_err != PAM_SUCCESS || (pwd = getpwnam(user = item)) == NULL) - goto pamerr; - - /* export PAM environment */ - if ((pam_envlist = pam_getenvlist(pamh)) != NULL) { - for (pam_env = pam_envlist; *pam_env != NULL; ++pam_env) { - putenv(*pam_env); - free(*pam_env); - } - free(pam_envlist); - } - - /* build argument list */ - if ((args = calloc(argc + 2, sizeof *args)) == NULL) { - warn("calloc()"); - goto err; - } - *args = pwd->pw_shell; - memcpy(args + 1, argv, argc * sizeof *args); - - /* fork and exec */ - switch ((pid = fork())) { - case -1: - warn("fork()"); - goto err; - case 0: - /* child: give up privs and start a shell */ - - /* set uid and groups */ - if (initgroups(pwd->pw_name, pwd->pw_gid) == -1) { - warn("initgroups()"); - _exit(1); - } - if (setgid(pwd->pw_gid) == -1) { - warn("setgid()"); - _exit(1); - } - if (setuid(pwd->pw_uid) == -1) { - warn("setuid()"); - _exit(1); - } - execve(*args, args, environ); - warn("execve()"); - _exit(1); - default: - /* parent: wait for child to exit */ - waitpid(pid, &status, 0); - - /* close the session and release PAM resources */ - pam_err = pam_close_session(pamh, 0); - pam_end(pamh, pam_err); - - exit(WEXITSTATUS(status)); - } - -pamerr: - fprintf(stderr, "Sorry\n"); -err: - pam_end(pamh, pam_err); - exit(1); -} -- cgit v1.1