/*
* Copyright 2000, International Business Machines Corporation and others.
* All Rights Reserved.
- *
+ *
* This software has been released under the terms of the IBM Public
* License. For details, see the LICENSE file in the top-level source
* directory or online at http://www.openafs.org/dl/license10.html
*/
+#include <afsconfig.h>
+#include <afs/param.h>
+
+#include <roken.h>
+
+#ifdef HAVE_SYS_WAIT_H
+#include <sys/wait.h>
+#endif
+
#include <security/pam_appl.h>
#include <security/pam_modules.h>
-#include <syslog.h>
-#include <stdlib.h>
-#include <string.h>
-#include <pwd.h>
-#include <unistd.h>
-#include <afs/param.h>
-#include <sys/param.h>
+
#include <afs/kautils.h>
#include "afs_message.h"
#include "afs_util.h"
#include "afs_pam_msg.h"
-#include <signal.h>
-#include <sys/wait.h>
-#include <errno.h>
#define RET(x) { retcode = (x); goto out; }
extern int
-pam_sm_chauthtok(
- pam_handle_t *pamh,
- int flags,
- int argc,
- const char **argv)
+pam_sm_chauthtok(pam_handle_t * pamh, int flags, int argc, const char **argv)
{
int retcode = PAM_SUCCESS;
int errcode = PAM_SUCCESS;
char *user = NULL, *password = NULL;
char *new_password = NULL, *verify_password = NULL;
char upwd_buf[2048]; /* size is a guess. */
- char* reason = NULL;
+ char *reason = NULL;
struct ktc_encryptionKey oldkey, newkey;
struct ktc_token token;
struct ubik_client *conn = 0;
* Todo options: PAM_SILENT
*/
for (i = 0; i < argc; i++) {
- if ( strcasecmp(argv[i], "debug" ) == 0) {
+ if (strcasecmp(argv[i], "debug") == 0) {
logmask |= LOG_MASK(LOG_DEBUG);
- (void) setlogmask(logmask);
- } else if (strcasecmp(argv[i], "nowarn" ) == 0) {
+ (void)setlogmask(logmask);
+ } else if (strcasecmp(argv[i], "nowarn") == 0) {
nowarn = 1;
} else if (strcasecmp(argv[i], "use_first_pass") == 0) {
use_first_pass = 1;
} else if (strcasecmp(argv[i], "try_first_pass") == 0) {
try_first_pass = 1;
- } else if (strcasecmp(argv[i], "ignore_root" ) == 0) {
+ } else if (strcasecmp(argv[i], "ignore_root") == 0) {
ignore_root = 1;
} else {
pam_afs_syslog(LOG_ERR, PAMAFS_UNKNOWNOPT, argv[i]);
}
}
- if (use_first_pass) try_first_pass = 0;
+ if (use_first_pass)
+ try_first_pass = 0;
- pam_afs_syslog(LOG_DEBUG, PAMAFS_OPTIONS, nowarn, use_first_pass, try_first_pass);
- pam_afs_syslog(LOG_DEBUG, PAMAFS_PAMERROR, flags);
+ if (logmask && LOG_MASK(LOG_DEBUG)) {
+ pam_afs_syslog(LOG_DEBUG, PAMAFS_OPTIONS, nowarn, use_first_pass,
+ try_first_pass);
+ pam_afs_syslog(LOG_DEBUG, PAMAFS_PAMERROR, flags);
+ }
/* Try to get the user-interaction info, if available. */
- errcode = pam_get_item(pamh, PAM_CONV, (const void **) &pam_convp);
+ errcode = pam_get_item(pamh, PAM_CONV, (const void **)&pam_convp);
if (errcode != PAM_SUCCESS) {
pam_afs_syslog(LOG_WARNING, PAMAFS_NO_USER_INT);
pam_convp = NULL;
}
/* Who are we trying to authenticate here? */
- if ((errcode = pam_get_user(pamh, (const char **)&user, "AFS username: ")) != PAM_SUCCESS) {
+ if ((errcode =
+ pam_get_user(pamh, (const char **)&user,
+ "AFS username: ")) != PAM_SUCCESS) {
pam_afs_syslog(LOG_ERR, PAMAFS_NOUSER, errcode);
RET(PAM_USER_UNKNOWN);
}
- pam_afs_syslog(LOG_DEBUG, PAMAFS_USERNAMEDEBUG, user);
+ if (logmask && LOG_MASK(LOG_DEBUG))
+ pam_afs_syslog(LOG_DEBUG, PAMAFS_USERNAMEDEBUG, user);
/*
* If the user has a "local" (or via nss, possibly nss_dce) pwent,
* and its uid==0, and "ignore_root" was given in pam.conf,
* ignore the user.
*/
-#if defined(AFS_HPUX_ENV)
-#if defined(AFS_HPUX110_ENV)
+#if defined(AFS_HPUX_ENV) || defined(AFS_DARWIN100_ENV) || defined(AFS_SUN58_ENV)
+#if defined(AFS_HPUX110_ENV) || defined(AFS_DARWIN100_ENV) || defined(AFS_SUN58_ENV)
i = getpwnam_r(user, &unix_pwd, upwd_buf, sizeof(upwd_buf), &upwd);
-#else /* AFS_HPUX110_ENV */
+#else /* AFS_HPUX110_ENV */
i = getpwnam_r(user, &unix_pwd, upwd_buf, sizeof(upwd_buf));
- if ( i == 0 ) /* getpwnam_r success */
- upwd = &unix_pwd;
-#endif /* else AFS_HPUX110_ENV */
- if (ignore_root && i == 0 && upwd->pw_uid == 0) {
+ if (i == 0) /* getpwnam_r success */
+ upwd = &unix_pwd;
+#endif /* else AFS_HPUX110_ENV */
+ if (ignore_root && i == 0 && upwd->pw_uid == 0) {
pam_afs_syslog(LOG_INFO, PAMAFS_IGNORINGROOT, user);
RET(PAM_AUTH_ERR);
}
#else
-#ifdef AFS_LINUX20_ENV
+#if defined(AFS_LINUX20_ENV) || defined(AFS_FBSD_ENV) || defined(AFS_DFBSD_ENV) || defined(AFS_NBSD_ENV)
upwd = getpwnam(user);
#else
upwd = getpwnam_r(user, &unix_pwd, upwd_buf, sizeof(upwd_buf));
}
#endif
- errcode = pam_get_item(pamh, PAM_AUTHTOK, (const void **) &password);
+ errcode = pam_get_item(pamh, PAM_AUTHTOK, (const void **)&password);
if (errcode != PAM_SUCCESS || password == NULL) {
if (use_first_pass) {
pam_afs_syslog(LOG_ERR, PAMAFS_PASSWD_REQ, user);
RET(PAM_AUTH_ERR);
}
password = NULL; /* In case it isn't already NULL */
- pam_afs_syslog(LOG_DEBUG, PAMAFS_NOFIRSTPASS, user);
+ if (logmask && LOG_MASK(LOG_DEBUG))
+ pam_afs_syslog(LOG_DEBUG, PAMAFS_NOFIRSTPASS, user);
} else if (password[0] == '\0') {
/* Actually we *did* get one but it was empty. */
torch_password = 0;
pam_afs_syslog(LOG_INFO, PAMAFS_NILPASSWORD, user);
RET(PAM_NEW_AUTHTOK_REQD);
} else {
- pam_afs_syslog(LOG_DEBUG, PAMAFS_GOTPASS, user);
+ if (logmask && LOG_MASK(LOG_DEBUG))
+ pam_afs_syslog(LOG_DEBUG, PAMAFS_GOTPASS, user);
torch_password = 0;
got_authtok = 1;
}
if (use_first_pass)
RET(PAM_AUTH_ERR); /* shouldn't happen */
if (try_first_pass)
- try_first_pass = 0;
+ try_first_pass = 0;
if (pam_convp == NULL || pam_convp->conv == NULL) {
pam_afs_syslog(LOG_ERR, PAMAFS_CANNOT_PROMPT);
RET(PAM_AUTH_ERR);
}
/*
- * We aren't going to free the password later (we will wipe it,
- * though), because the storage for it if we get it from other
- * paths may belong to someone else. Since we do need to free
- * this storage, copy it to a buffer that won't need to be freed
- * later, and free this storage now.
- */
- strncpy(my_password_buf, password, sizeof(my_password_buf));
- my_password_buf[sizeof(my_password_buf)-1] = '\0';
- memset(password, 0, strlen(password));
- free(password);
- password = my_password_buf;
+ * We aren't going to free the password later (we will wipe it,
+ * though), because the storage for it if we get it from other
+ * paths may belong to someone else. Since we do need to free
+ * this storage, copy it to a buffer that won't need to be freed
+ * later, and free this storage now.
+ */
+ strncpy(my_password_buf, password, sizeof(my_password_buf));
+ my_password_buf[sizeof(my_password_buf) - 1] = '\0';
+ memset(password, 0, strlen(password));
+ free(password);
+ password = my_password_buf;
}
- if ( (code = ka_VerifyUserPassword(KA_USERAUTH_VERSION + KA_USERAUTH_DOSETPAG,
- user, /* kerberos name */
- (char *)0, /* instance */
- (char *)0, /* realm */
- password, /* password */
- 0, /* spare 2 */
- &reason /* error string */ )) !=0 ) {
+ if ((code = ka_VerifyUserPassword(KA_USERAUTH_VERSION + KA_USERAUTH_DOSETPAG, user, /* kerberos name */
+ NULL, /* instance */
+ NULL, /* realm */
+ password, /* password */
+ 0, /* spare 2 */
+ &reason /* error string */ )) != 0) {
pam_afs_syslog(LOG_ERR, PAMAFS_LOGIN_FAILED, user, reason);
- RET(PAM_AUTH_ERR);
+ RET(PAM_AUTH_ERR);
}
torch_password = 0;
pam_set_item(pamh, PAM_AUTHTOK, password);
pam_set_item(pamh, PAM_OLDAUTHTOK, password);
if (flags & PAM_PRELIM_CHECK) {
- /* only auth check was requested, so return success here */
- return(PAM_SUCCESS);
+ /* only auth check was requested, so return success here */
+ return (PAM_SUCCESS);
}
if (!(flags & PAM_UPDATE_AUTHTOK)) {
- /* these lines are never executed ... */
- /* UPDATE_AUTHTOK flag is required, return with error */
- pam_afs_syslog(LOG_ERR, PAMAFS_FLAGS, "PAM_UPDATE_AUTHTOK");
- RET(PAM_AUTH_ERR);
+ /* these lines are never executed ... */
+ /* UPDATE_AUTHTOK flag is required, return with error */
+ pam_afs_syslog(LOG_ERR, PAMAFS_FLAGS, "PAM_UPDATE_AUTHTOK");
+ RET(PAM_AUTH_ERR);
}
/* get the new passwd and verify it */
- errcode = pam_afs_prompt(pam_convp, &new_password, 0, PAMAFS_NEW_PWD_PROMPT);
+ errcode =
+ pam_afs_prompt(pam_convp, &new_password, 0, PAMAFS_NEW_PWD_PROMPT);
if (errcode != PAM_SUCCESS || new_password == NULL) {
- pam_afs_syslog(LOG_ERR, PAMAFS_GETPASS_FAILED);
- RET(PAM_AUTH_ERR);
+ pam_afs_syslog(LOG_ERR, PAMAFS_GETPASS_FAILED);
+ RET(PAM_AUTH_ERR);
}
if (new_password[0] == '\0') {
- pam_afs_syslog(LOG_INFO, PAMAFS_NILPASSWORD, user);
- RET(PAM_AUTH_ERR);
+ pam_afs_syslog(LOG_INFO, PAMAFS_NILPASSWORD, user);
+ RET(PAM_AUTH_ERR);
}
- errcode = pam_afs_prompt(pam_convp, &verify_password, 0, PAMAFS_VERIFY_PWD_PROMPT);
+ errcode =
+ pam_afs_prompt(pam_convp, &verify_password, 0,
+ PAMAFS_VERIFY_PWD_PROMPT);
if (errcode != PAM_SUCCESS || verify_password == NULL) {
- pam_afs_syslog(LOG_ERR, PAMAFS_GETPASS_FAILED);
+ pam_afs_syslog(LOG_ERR, PAMAFS_GETPASS_FAILED);
memset(new_password, 0, strlen(new_password));
- RET(PAM_AUTH_ERR);
+ RET(PAM_AUTH_ERR);
}
if (verify_password[0] == '\0') {
- pam_afs_syslog(LOG_INFO, PAMAFS_NILPASSWORD, user);
+ pam_afs_syslog(LOG_INFO, PAMAFS_NILPASSWORD, user);
memset(new_password, 0, strlen(new_password));
- RET(PAM_AUTH_ERR);
+ RET(PAM_AUTH_ERR);
}
if (strcmp(new_password, verify_password) != 0) {
- pam_afs_syslog(LOG_INFO, PAMAFS_NE_PASSWORD);
+ pam_afs_syslog(LOG_INFO, PAMAFS_NE_PASSWORD);
memset(new_password, 0, strlen(new_password));
memset(verify_password, 0, strlen(verify_password));
- RET(PAM_AUTH_ERR);
+ RET(PAM_AUTH_ERR);
}
memset(verify_password, 0, strlen(verify_password));
- /* checking password length and quality is up to other PAM modules */
+ /* checking password length and quality is up to other PAM modules */
/* set the new password */
if ((code = ka_Init(0)) != 0) {
- pam_afs_syslog(LOG_ERR, PAMAFS_KAERROR, code);
- RET(PAM_AUTH_ERR);
+ pam_afs_syslog(LOG_ERR, PAMAFS_KAERROR, code);
+ RET(PAM_AUTH_ERR);
}
if ((code = rx_Init(0)) != 0) {
- pam_afs_syslog(LOG_ERR, PAMAFS_KAERROR, code);
- RET(PAM_AUTH_ERR);
+ pam_afs_syslog(LOG_ERR, PAMAFS_KAERROR, code);
+ RET(PAM_AUTH_ERR);
}
- strcpy(instance,"");
+ strcpy(instance, "");
if ((localcell = ka_LocalCell()) == NULL) {
- pam_afs_syslog(LOG_ERR, PAMAFS_NOCELLNAME);
- RET(PAM_AUTH_ERR);
+ pam_afs_syslog(LOG_ERR, PAMAFS_NOCELLNAME);
+ RET(PAM_AUTH_ERR);
}
- strcpy(realm,localcell);
- strcpy(cell,realm);
+ strcpy(realm, localcell);
+ strcpy(cell, realm);
/* oldkey is not used in ka_ChangePassword (only for ka_auth) */
ka_StringToKey(password, realm, &oldkey);
ka_StringToKey(new_password, realm, &newkey);
- if ((code = ka_GetAdminToken(user, instance, realm, &oldkey, 20, &token, 0)) != 0) {
- pam_afs_syslog(LOG_ERR, PAMAFS_KAERROR, code);
- RET(PAM_AUTH_ERR);
+ if ((code =
+ ka_GetAdminToken(user, instance, realm, &oldkey, 20, &token,
+ 0)) != 0) {
+ pam_afs_syslog(LOG_ERR, PAMAFS_KAERROR, code);
+ RET(PAM_AUTH_ERR);
}
- if ((code = ka_AuthServerConn(realm, KA_MAINTENANCE_SERVICE, &token, &conn)) != 0) {
- pam_afs_syslog(LOG_ERR, PAMAFS_KAERROR, code);
- RET(PAM_AUTH_ERR);
+ if ((code =
+ ka_AuthServerConn(realm, KA_MAINTENANCE_SERVICE, &token,
+ &conn)) != 0) {
+ pam_afs_syslog(LOG_ERR, PAMAFS_KAERROR, code);
+ RET(PAM_AUTH_ERR);
}
- if ((code = ka_ChangePassword(user, /* kerberos name */
- instance, /* instance */
- conn, /* conn */
- 0, /* old password unused */
- &newkey /* new password */ )) != 0) {
+ if ((code = ka_ChangePassword(user, /* kerberos name */
+ instance, /* instance */
+ conn, /* conn */
+ 0, /* old password unused */
+ &newkey /* new password */ )) != 0) {
pam_afs_syslog(LOG_ERR, PAMAFS_KAPASS_FAIL);
- memset(new_password, 0, strlen(new_password));
- RET(PAM_AUTH_ERR);
+ memset(new_password, 0, strlen(new_password));
+ RET(PAM_AUTH_ERR);
} else {
- pam_set_item(pamh, PAM_AUTHTOK, new_password);
- RET(PAM_SUCCESS);
+ pam_set_item(pamh, PAM_AUTHTOK, new_password);
+ RET(PAM_SUCCESS);
}
-
- out:
+
+ out:
if (password && torch_password) {
- memset(password, 0, strlen(password));
+ memset(password, 0, strlen(password));
}
- (void) setlogmask(origmask);
+ (void)setlogmask(origmask);
#ifndef AFS_SUN56_ENV
closelog();
#endif
git://git.openafs.org / openafs.git / blobdiff