-/*
+/*
* $Id$
*
* Copyright information at end of file.
*/
-#define _BSD_SOURCE
+#include "config.h"
#include <stdlib.h>
#include <unistd.h>
#include <stdarg.h>
+#include <stdio.h>
#include <string.h>
#include <malloc.h>
#include <pwd.h>
#include <shadow.h>
#include <limits.h>
#include <utmp.h>
+#include <errno.h>
+#include <signal.h>
+#include <ctype.h>
+#include <sys/resource.h>
+#include <rpcsvc/ypclnt.h>
#include <security/_pam_macros.h>
#include <security/pam_modules.h>
+#include <security/_pam_modutil.h>
#include "md5.h"
#include "support.h"
-
+#ifdef WITH_SELINUX
+#include <selinux/selinux.h>
+#define SELINUX_ENABLED is_selinux_enabled()>0
+#else
+#define SELINUX_ENABLED 0
+#endif
extern char *crypt(const char *key, const char *salt);
extern char *bigcrypt(const char *key, const char *salt);
void _log_err(int err, pam_handle_t *pamh, const char *format,...)
{
- char *service = NULL;
+ const void *service = NULL;
char logname[256];
va_list args;
- pam_get_item(pamh, PAM_SERVICE, (const void **) &service);
+ pam_get_item(pamh, PAM_SERVICE, &service);
if (service) {
strncpy(logname, service, sizeof(logname));
logname[sizeof(logname) - 1 - strlen("(pam_unix)")] = '\0';
,struct pam_response **response)
{
int retval;
- struct pam_conv *conv;
+ const void *void_conv;
+ const struct pam_conv *conv;
D(("begin to converse"));
- retval = pam_get_item(pamh, PAM_CONV, (const void **) &conv);
+ retval = pam_get_item(pamh, PAM_CONV, &void_conv);
+ conv = void_conv;
if (retval == PAM_SUCCESS) {
retval = conv->conv(nargs, (const struct pam_message **) message
return retval;
}
- /*
- * Beacause getlogin() is braindead and sometimes it just
- * doesn't work, we reimplement it here.
- */
-char *PAM_getlogin(void)
-{
- struct utmp *ut, line;
- char *curr_tty, *retval;
- static char curr_user[sizeof(ut->ut_user) + 4];
-
- retval = NULL;
-
- curr_tty = ttyname(0);
- if (curr_tty != NULL) {
- D(("PAM_getlogin ttyname: %s", curr_tty));
- curr_tty += 5;
- setutent();
- strncpy(line.ut_line, curr_tty, sizeof line.ut_line);
- if ((ut = getutline(&line)) != NULL) {
- strncpy(curr_user, ut->ut_user, sizeof(ut->ut_user));
- retval = curr_user;
- }
- endutent();
- }
- D(("PAM_getlogin retval: %s", retval));
-
- return retval;
-}
-
/*
* set the control flags for the UNIX module.
*/
D(("PRELIM_CHECK"));
set(UNIX__PRELIM, ctrl);
}
- if (flags & PAM_DISALLOW_NULL_AUTHTOK) {
- D(("DISALLOW_NULL_AUTHTOK"));
- set(UNIX__NONULL, ctrl);
- }
if (flags & PAM_SILENT) {
D(("SILENT"));
set(UNIX__QUIET, ctrl);
if (remember != NULL) {
if (j == UNIX_REMEMBER_PASSWD) {
*remember = strtol(*argv + 9, NULL, 10);
- if ((*remember == LONG_MIN) || (*remember == LONG_MAX))
+ if ((*remember == INT_MIN) || (*remember == INT_MAX))
*remember = -1;
if (*remember > 400)
*remember = 400;
++argv; /* step to next argument */
}
+ if (flags & PAM_DISALLOW_NULL_AUTHTOK) {
+ D(("DISALLOW_NULL_AUTHTOK"));
+ set(UNIX__NONULL, ctrl);
+ }
+
/* auditing is a more sensitive version of debug */
if (on(UNIX_AUDIT, ctrl)) {
static void _cleanup_failures(pam_handle_t * pamh, void *fl, int err)
{
int quiet;
- const char *service = NULL;
- const char *ruser = NULL;
- const char *rhost = NULL;
- const char *tty = NULL;
+ const void *service = NULL;
+ const void *ruser = NULL;
+ const void *rhost = NULL;
+ const void *tty = NULL;
struct _pam_failed_auth *failure;
D(("called"));
/* log the number of authentication failures */
if (failure->count > 1) {
(void) pam_get_item(pamh, PAM_SERVICE,
- (const void **)&service);
+ &service);
(void) pam_get_item(pamh, PAM_RUSER,
- (const void **)&ruser);
+ &ruser);
(void) pam_get_item(pamh, PAM_RHOST,
- (const void **)&rhost);
+ &rhost);
(void) pam_get_item(pamh, PAM_TTY,
- (const void **)&tty);
+ &tty);
_log_err(LOG_NOTICE, pamh,
"%d more authentication failure%s; "
"logname=%s uid=%d euid=%d "
}
}
+/*
+ * _unix_getpwnam() searches only /etc/passwd and NIS to find user information
+ */
+static void _unix_cleanup(pam_handle_t *pamh, void *data, int error_status)
+{
+ free(data);
+}
+
+int _unix_getpwnam(pam_handle_t *pamh, const char *name,
+ int files, int nis, struct passwd **ret)
+{
+ FILE *passwd;
+ char buf[16384];
+ int matched = 0, buflen;
+ char *slogin, *spasswd, *suid, *sgid, *sgecos, *shome, *sshell, *p;
+
+ memset(buf, 0, sizeof(buf));
+
+ if (!matched && files) {
+ int userlen = strlen(name);
+ passwd = fopen("/etc/passwd", "r");
+ if (passwd != NULL) {
+ while (fgets(buf, sizeof(buf), passwd) != NULL) {
+ if ((buf[userlen] == ':') &&
+ (strncmp(name, buf, userlen) == 0)) {
+ p = buf + strlen(buf) - 1;
+ while (isspace(*p) && (p >= buf)) {
+ *p-- = '\0';
+ }
+ matched = 1;
+ break;
+ }
+ }
+ fclose(passwd);
+ }
+ }
+
+ if (!matched && nis) {
+ char *userinfo = NULL, *domain = NULL;
+ int len = 0, i;
+ len = yp_get_default_domain(&domain);
+ if (len == YPERR_SUCCESS) {
+ len = yp_bind(domain);
+ }
+ if (len == YPERR_SUCCESS) {
+ i = yp_match(domain, "passwd.byname", name,
+ strlen(name), &userinfo, &len);
+ yp_unbind(domain);
+ if ((i == YPERR_SUCCESS) && (len < sizeof(buf))) {
+ strncpy(buf, userinfo, sizeof(buf) - 1);
+ buf[sizeof(buf) - 1] = '\0';
+ matched = 1;
+ }
+ }
+ }
+
+ if (matched && (ret != NULL)) {
+ *ret = NULL;
+
+ slogin = buf;
+
+ spasswd = strchr(slogin, ':');
+ if (spasswd == NULL) {
+ return matched;
+ }
+ *spasswd++ = '\0';
+
+ suid = strchr(spasswd, ':');
+ if (suid == NULL) {
+ return matched;
+ }
+ *suid++ = '\0';
+
+ sgid = strchr(suid, ':');
+ if (sgid == NULL) {
+ return matched;
+ }
+ *sgid++ = '\0';
+
+ sgecos = strchr(sgid, ':');
+ if (sgecos == NULL) {
+ return matched;
+ }
+ *sgecos++ = '\0';
+
+ shome = strchr(sgecos, ':');
+ if (shome == NULL) {
+ return matched;
+ }
+ *shome++ = '\0';
+
+ sshell = strchr(shome, ':');
+ if (sshell == NULL) {
+ return matched;
+ }
+ *sshell++ = '\0';
+
+ buflen = sizeof(struct passwd) +
+ strlen(slogin) + 1 +
+ strlen(spasswd) + 1 +
+ strlen(suid) + 1 +
+ strlen(sgid) + 1 +
+ strlen(sgecos) + 1 +
+ strlen(shome) + 1 +
+ strlen(sshell) + 1;
+ *ret = malloc(buflen);
+ if (*ret == NULL) {
+ return matched;
+ }
+ memset(*ret, '\0', buflen);
+
+ (*ret)->pw_uid = strtol(suid, &p, 10);
+ if ((strlen(sgid) == 0) || (*p != '\0')) {
+ free(*ret);
+ *ret = NULL;
+ return matched;
+ }
+
+ (*ret)->pw_gid = strtol(sgid, &p, 10);
+ if ((strlen(sgid) == 0) || (*p != '\0')) {
+ free(*ret);
+ *ret = NULL;
+ return matched;
+ }
+
+ p = ((char*)(*ret)) + sizeof(struct passwd);
+ (*ret)->pw_name = strcpy(p, slogin);
+ p += strlen(p) + 1;
+ (*ret)->pw_passwd = strcpy(p, spasswd);
+ p += strlen(p) + 1;
+ (*ret)->pw_gecos = strcpy(p, sgecos);
+ p += strlen(p) + 1;
+ (*ret)->pw_dir = strcpy(p, shome);
+ p += strlen(p) + 1;
+ (*ret)->pw_shell = strcpy(p, sshell);
+
+ snprintf(buf, sizeof(buf), "_pam_unix_getpwnam_%s", name);
+
+ if (pam_set_data(pamh, buf,
+ *ret, _unix_cleanup) != PAM_SUCCESS) {
+ free(*ret);
+ *ret = NULL;
+ }
+ }
+
+ return matched;
+}
+
+/*
+ * _unix_comsefromsource() is a quick check to see if information about a given
+ * user comes from a particular source (just files and nis for now)
+ *
+ */
+int _unix_comesfromsource(pam_handle_t *pamh,
+ const char *name, int files, int nis)
+{
+ return _unix_getpwnam(pamh, name, files, nis, NULL);
+}
+
/*
* _unix_blankpasswd() is a quick check for a blank password
*
* - to avoid prompting for one in such cases (CG)
*/
-int _unix_blankpasswd(unsigned int ctrl, const char *name)
+int
+_unix_blankpasswd (pam_handle_t *pamh, unsigned int ctrl, const char *name)
{
struct passwd *pwd = NULL;
struct spwd *spwdent = NULL;
return 0; /* will fail but don't let on yet */
/* UNIX passwords area */
- pwd = getpwnam(name); /* Get password file entry... */
+
+ /* Get password file entry... */
+ pwd = _pammodutil_getpwnam (pamh, name);
if (pwd != NULL) {
if (strcmp( pwd->pw_passwd, "*NP*" ) == 0)
- { /* NIS+ */
+ { /* NIS+ */
uid_t save_euid, save_uid;
-
+
save_euid = geteuid();
save_uid = getuid();
if (save_uid == pwd->pw_uid)
return 0;
}
}
-
- spwdent = getspnam( name );
+
+ spwdent = _pammodutil_getspnam (pamh, name);
if (save_uid == pwd->pw_uid)
setreuid( save_uid, save_euid );
else {
if (setreuid( -1, 0 ) == -1)
- setreuid( save_uid, -1 );
+ setreuid( save_uid, -1 );
setreuid( -1, save_euid );
}
- } else if (strcmp(pwd->pw_passwd, "x") == 0) {
+ } else if (_unix_shadowed(pwd)) {
/*
* ...and shadow password file entry for this user,
* if shadowing is enabled
*/
- spwdent = getspnam(name);
+ spwdent = _pammodutil_getspnam(pamh, name);
}
if (spwdent)
salt = x_strdup(spwdent->sp_pwdp);
#include <sys/types.h>
#include <sys/wait.h>
-static int _unix_run_helper_binary(pam_handle_t *pamh, const char *passwd, unsigned int ctrl)
+static int _unix_run_helper_binary(pam_handle_t *pamh, const char *passwd,
+ unsigned int ctrl, const char *user)
{
int retval, child, fds[2];
+ void (*sighandler)(int) = NULL;
D(("called."));
/* create a pipe for the password */
return PAM_AUTH_ERR;
}
+ if (off(UNIX_NOREAP, ctrl)) {
+ /*
+ * This code arranges that the demise of the child does not cause
+ * the application to receive a signal it is not expecting - which
+ * may kill the application or worse.
+ *
+ * The "noreap" module argument is provided so that the admin can
+ * override this behavior.
+ */
+ sighandler = signal(SIGCHLD, SIG_DFL);
+ }
+
/* fork */
child = fork();
if (child == 0) {
- static char *args[] = { NULL, NULL };
+ int i=0;
+ struct rlimit rlim;
static char *envp[] = { NULL };
+ char *args[] = { NULL, NULL, NULL, NULL };
/* XXX - should really tidy up PAM here too */
+ close(0); close(1);
/* reopen stdin as pipe */
close(fds[1]);
dup2(fds[0], STDIN_FILENO);
+ if (getrlimit(RLIMIT_NOFILE,&rlim)==0) {
+ for (i=2; i < rlim.rlim_max; i++) {
+ if (fds[0] != i)
+ close(i);
+ }
+ }
/* exec binary helper */
args[0] = x_strdup(CHKPWD_HELPER);
+ args[1] = x_strdup(user);
+ if (off(UNIX__NONULL, ctrl)) { /* this means we've succeeded */
+ args[2]=x_strdup("nullok");
+ } else {
+ args[2]=x_strdup("nonull");
+ }
+
execve(CHKPWD_HELPER, args, envp);
/* should not get here: exit with error */
} else if (child > 0) {
/* wait for child */
/* if the stored password is NULL */
- if (off(UNIX__NONULL, ctrl)) { /* this means we've succeeded */
- write(fds[1], "nullok\0\0", 8);
- } else {
- write(fds[1], "nonull\0\0", 8);
- }
+ int rc=0;
if (passwd != NULL) { /* send the password to the child */
write(fds[1], passwd, strlen(passwd)+1);
passwd = NULL;
}
close(fds[0]); /* close here to avoid possible SIGPIPE above */
close(fds[1]);
- (void) waitpid(child, &retval, 0); /* wait for helper to complete */
- retval = (retval == 0) ? PAM_SUCCESS:PAM_AUTH_ERR;
+ rc=waitpid(child, &retval, 0); /* wait for helper to complete */
+ if (rc<0) {
+ _log_err(LOG_ERR, pamh, "unix_chkpwd waitpid returned %d: %s", rc, strerror(errno));
+ retval = PAM_AUTH_ERR;
+ } else {
+ retval = WEXITSTATUS(retval);
+ }
} else {
D(("fork failed"));
+ close(fds[0]);
+ close(fds[1]);
retval = PAM_AUTH_ERR;
}
+ if (sighandler != NULL) {
+ (void) signal(SIGCHLD, sighandler); /* restore old signal handler */
+ }
+
D(("returning %d", retval));
return retval;
}
char *data_name;
int retval;
+
D(("called"));
#ifdef HAVE_PAM_FAIL_DELAY
D(("locating user's record"));
/* UNIX passwords area */
- pwd = getpwnam(name); /* Get password file entry... */
+ pwd = _pammodutil_getpwnam (pamh, name); /* Get password file entry... */
if (pwd != NULL) {
if (strcmp( pwd->pw_passwd, "*NP*" ) == 0)
- { /* NIS+ */
+ { /* NIS+ */
uid_t save_euid, save_uid;
-
+
save_euid = geteuid();
save_uid = getuid();
if (save_uid == pwd->pw_uid)
return PAM_CRED_INSUFFICIENT;
}
}
-
- spwdent = getspnam( name );
+
+ spwdent = _pammodutil_getspnam (pamh, name);
if (save_uid == pwd->pw_uid)
setreuid( save_uid, save_euid );
else {
setreuid( save_uid, -1 );
setreuid( -1, save_euid );
}
- } else if (strcmp(pwd->pw_passwd, "x") == 0) {
+ } else if (_unix_shadowed(pwd)) {
/*
* ...and shadow password file entry for this user,
* if shadowing is enabled
*/
- spwdent = getspnam(name);
+ spwdent = _pammodutil_getspnam (pamh, name);
}
if (spwdent)
salt = x_strdup(spwdent->sp_pwdp);
}
retval = PAM_SUCCESS;
- if (pwd == NULL || salt == NULL || !strcmp(salt, "x")) {
- if (geteuid()) {
+ if (pwd == NULL || salt == NULL || !strcmp(salt, "x") || ((salt[0] == '#') && (salt[1] == '#') && !strcmp(salt + 2, name))) {
+
+ if (pwd != NULL && (geteuid() || SELINUX_ENABLED)) {
/* we are not root perhaps this is the reason? Run helper */
D(("running helper binary"));
- retval = _unix_run_helper_binary(pamh, p, ctrl);
- if (pwd == NULL && !on(UNIX_AUDIT,ctrl)
- && retval != PAM_SUCCESS)
- {
- name = NULL;
- }
+ retval = _unix_run_helper_binary(pamh, p, ctrl, name);
} else {
D(("user's record unavailable"));
+ p = NULL;
+ if (pwd == NULL)
+ retval = PAM_USER_UNKNOWN;
+ else
+ retval = PAM_AUTHINFO_UNAVAIL;
if (on(UNIX_AUDIT, ctrl)) {
/* this might be a typo and the user has given a password
instead of a username. Careful with this. */
"check pass; user (%s) unknown", name);
} else {
name = NULL;
- _log_err(LOG_ALERT, pamh,
- "check pass; user unknown");
+ if (on(UNIX_DEBUG, ctrl) || pwd == NULL) {
+ _log_err(LOG_ALERT, pamh,
+ "check pass; user unknown");
+ } else {
+ /* don't log failure as another pam module can succeed */
+ goto cleanup;
+ }
}
- p = NULL;
- retval = PAM_AUTHINFO_UNAVAIL;
}
} else {
- if (!strlen(salt)) {
- /* the stored password is NULL */
- if (off(UNIX__NONULL, ctrl)) { /* this means we've succeeded */
- D(("user has empty password - access granted"));
- retval = PAM_SUCCESS;
- } else {
- D(("user has empty password - access denied"));
- retval = PAM_AUTH_ERR;
- }
- } else if (!p) {
- retval = PAM_AUTH_ERR;
+ int salt_len = strlen(salt);
+ if (!salt_len) {
+ /* the stored password is NULL */
+ if (off(UNIX__NONULL, ctrl)) {/* this means we've succeeded */
+ D(("user has empty password - access granted"));
+ retval = PAM_SUCCESS;
} else {
- if (!strncmp(salt, "$1$", 3)) {
- pp = Goodcrypt_md5(p, salt);
- if (strcmp(pp, salt) != 0) {
- pp = Brokencrypt_md5(p, salt);
- }
- } else {
- pp = bigcrypt(p, salt);
- }
- p = NULL; /* no longer needed here */
+ D(("user has empty password - access denied"));
+ retval = PAM_AUTH_ERR;
+ }
+ } else if (!p || (*salt == '*') || (salt_len < 13)) {
+ retval = PAM_AUTH_ERR;
+ } else {
+ if (!strncmp(salt, "$1$", 3)) {
+ pp = Goodcrypt_md5(p, salt);
+ if (strcmp(pp, salt) != 0) {
+ _pam_delete(pp);
+ pp = Brokencrypt_md5(p, salt);
+ }
+ } else {
+ pp = bigcrypt(p, salt);
+ }
+ p = NULL; /* no longer needed here */
- /* the moment of truth -- do we agree with the password? */
- D(("comparing state of pp[%s] and salt[%s]", pp, salt));
+ /* the moment of truth -- do we agree with the password? */
+ D(("comparing state of pp[%s] and salt[%s]", pp, salt));
- if (strcmp(pp, salt) == 0) {
- retval = PAM_SUCCESS;
- } else {
- retval = PAM_AUTH_ERR;
- }
+ /*
+ * Note, we are comparing the bigcrypt of the password with
+ * the contents of the password field. If the latter was
+ * encrypted with regular crypt (and not bigcrypt) it will
+ * have been truncated for storage relative to the output
+ * of bigcrypt here. As such we need to compare only the
+ * stored string with the subset of bigcrypt's result.
+ * Bug 521314: The strncmp comparison is for legacy support.
+ */
+ if (strncmp(pp, salt, salt_len) == 0) {
+ retval = PAM_SUCCESS;
+ } else {
+ retval = PAM_AUTH_ERR;
}
+ }
}
if (retval == PAM_SUCCESS) {
if (new != NULL) {
- new->user = x_strdup(name ? name : "");
+ const char *login_name;
+ const void *void_old;
+
+
+ login_name = _pammodutil_getlogin(pamh);
+ if (login_name == NULL) {
+ login_name = "";
+ }
+
+ new->user = x_strdup(name ? name : "");
new->uid = getuid();
new->euid = geteuid();
- new->name = x_strdup(PAM_getlogin()? PAM_getlogin() : "");
+ new->name = x_strdup(login_name);
/* any previous failures for this user ? */
- pam_get_data(pamh, data_name, (const void **) &old);
+ if (pam_get_data(pamh, data_name, &void_old)
+ == PAM_SUCCESS)
+ old = void_old;
+ else
+ old = NULL;
if (old != NULL) {
new->count = old->count + 1;
retval = PAM_MAXTRIES;
}
} else {
- const char *service=NULL;
- const char *ruser=NULL;
- const char *rhost=NULL;
- const char *tty=NULL;
+ const void *service=NULL;
+ const void *ruser=NULL;
+ const void *rhost=NULL;
+ const void *tty=NULL;
(void) pam_get_item(pamh, PAM_SERVICE,
- (const void **)&service);
+ &service);
(void) pam_get_item(pamh, PAM_RUSER,
- (const void **)&ruser);
+ &ruser);
(void) pam_get_item(pamh, PAM_RHOST,
- (const void **)&rhost);
+ &rhost);
(void) pam_get_item(pamh, PAM_TTY,
- (const void **)&tty);
+ &tty);
_log_err(LOG_NOTICE, pamh,
"authentication failure; "
}
}
+cleanup:
if (data_name)
_pam_delete(data_name);
if (salt)
_pam_delete(salt);
if (pp)
- _pam_overwrite(pp);
+ _pam_delete(pp);
D(("done [%d].", retval));
,const char *prompt1
,const char *prompt2
,const char *data_name
- ,const char **pass)
+ ,const void **pass)
{
int authtok_flag;
int retval;
- const char *item;
char *token;
D(("called"));
*/
if (on(UNIX_TRY_FIRST_PASS, ctrl) || on(UNIX_USE_FIRST_PASS, ctrl)) {
- retval = pam_get_item(pamh, authtok_flag, (const void **) &item);
+ retval = pam_get_item(pamh, authtok_flag, pass);
if (retval != PAM_SUCCESS) {
/* very strange. */
_log_err(LOG_ALERT, pamh
,"pam_get_item returned error to unix-read-password"
);
return retval;
- } else if (item != NULL) { /* we have a password! */
- *pass = item;
- item = NULL;
+ } else if (*pass != NULL) { /* we have a password! */
return PAM_SUCCESS;
} else if (on(UNIX_USE_FIRST_PASS, ctrl)) {
return PAM_AUTHTOK_RECOVER_ERR; /* didn't work */
} else if (on(UNIX_USE_AUTHTOK, ctrl)
&& off(UNIX__OLD_PASSWD, ctrl)) {
- return PAM_AUTHTOK_RECOVER_ERR;
+ return PAM_AUTHTOK_ERR;
}
}
/*
retval = pam_set_item(pamh, authtok_flag, token);
_pam_delete(token); /* clean it up */
if (retval != PAM_SUCCESS
- || (retval = pam_get_item(pamh, authtok_flag
- ,(const void **) &item))
+ || (retval = pam_get_item(pamh, authtok_flag, pass))
!= PAM_SUCCESS) {
+ *pass = NULL;
_log_err(LOG_CRIT, pamh, "error manipulating password");
return retval;
_pam_delete(token);
return retval;
}
- item = token;
+ *pass = token;
token = NULL; /* break link to password */
}
- *pass = item;
- item = NULL; /* break link to password */
-
return PAM_SUCCESS;
}
+int _unix_shadowed(const struct passwd *pwd)
+{
+ if (pwd != NULL) {
+ if (strcmp(pwd->pw_passwd, "x") == 0) {
+ return 1;
+ }
+ if ((pwd->pw_passwd[0] == '#') &&
+ (pwd->pw_passwd[1] == '#') &&
+ (strcmp(pwd->pw_name, pwd->pw_passwd + 2) == 0)) {
+ return 1;
+ }
+ }
+ return 0;
+}
+
/* ****************************************************************** *
* Copyright (c) Jan Rêkorajski 1999.
* Copyright (c) Andrew G. Morgan 1996-8.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
- *
+ *
* ALTERNATIVELY, this product may be distributed under the terms of
* the GNU Public License, in which case the provisions of the GPL are
* required INSTEAD OF the above restrictions. (This clause is
* necessary due to a potential bad interaction between the GPL and
* the restrictions contained in a BSD-style copyright.)
- *
+ *
* THIS SOFTWARE IS PROVIDED ``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
projects / linux-pam / blobdiff