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Treat an empty PAM_RHOST the same as a NULL one.

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PR:		bin/51508
This commit is contained in:
des 2003-04-30 00:44:05 +00:00
parent 011b9750ca
commit b253e15b62
4 changed files with 5 additions and 5 deletions
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4
lib/libpam/modules/pam_lastlog/pam_lastlog.c
View File

@ -129,7 +129,7 @@ pam_sm_open_session(pam_handle_t *pamh, int flags,
/* note: does not need to be NUL-terminated */
strncpy(ll.ll_line, tty, sizeof(ll.ll_line));
if (rhost != NULL)
if (rhost != NULL && *rhost != '\0')
/* note: does not need to be NUL-terminated */
strncpy(ll.ll_host, rhost, sizeof(ll.ll_host));
@ -145,7 +145,7 @@ pam_sm_open_session(pam_handle_t *pamh, int flags,
utmp.ut_time = time(NULL);
/* note: does not need to be NUL-terminated */
strncpy(utmp.ut_name, user, sizeof(utmp.ut_name));
if (rhost != NULL)
if (rhost != NULL && *rhost != '\0')
strncpy(utmp.ut_host, rhost, sizeof(utmp.ut_host));
(void)strncpy(utmp.ut_line, tty, sizeof(utmp.ut_line));
login(&utmp);

2
lib/libpam/modules/pam_login_access/pam_login_access.c
View File

@ -79,7 +79,7 @@ pam_sm_acct_mgmt(pam_handle_t *pamh, int flags __unused,
gethostname(hostname, sizeof hostname);
if (rhost == NULL) {
if (rhost == NULL || *rhost == '\0') {
PAM_LOG("Checking login.access for user %s on tty %s",
user, tty);
if (login_access(user, tty) != 0)

2
lib/libpam/modules/pam_opieaccess/pam_opieaccess.c
View File

@ -73,7 +73,7 @@ pam_sm_authenticate(pam_handle_t *pamh, int flags __unused,
r = pam_get_item(pamh, PAM_RHOST, (const void **)&rhost);
if (r != PAM_SUCCESS)
return (r);
if (rhost == NULL)
if (rhost == NULL || *rhost == '\0')
rhost = openpam_get_option(pamh, "allow_local") ?
"" : "localhost";

2
lib/libpam/modules/pam_unix/pam_unix.c
View File

@ -246,7 +246,7 @@ pam_sm_acct_mgmt(pam_handle_t *pamh, int flags __unused,
* PAM_NEW_AUTHTOK_REQD.
*/
if (rhost) {
if (rhost && *rhost) {
memset(&hints, 0, sizeof(hints));
hints.ai_family = AF_UNSPEC;
if (getaddrinfo(rhost, NULL, &hints, &res) == 0) {