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authorDaniel Gollub <dgollub@brocade.com>2014-10-10 17:51:00 +0200
committerDaniel Gollub <dgollub@brocade.com>2014-10-10 18:02:30 +0200
commitec369a83dd65ea691d9159a5a4bdeb8c734c658c (patch)
treefa38db9ce3f20a58b47ce352d707accb7e616f59 /libtac/lib
parent21d14c56fe29a8fadac3a4291d96ed0247c1a766 (diff)
downloadpam_tacplus-ec369a83dd65ea691d9159a5a4bdeb8c734c658c.tar.gz
pam_tacplus-ec369a83dd65ea691d9159a5a4bdeb8c734c658c.zip
Add source addr parameter for tac_connect_single
This allows to specify from which source address/interface the TACACS+ client connection gets initiated. Bump SO-versioning due to API change.
Diffstat (limited to 'libtac/lib')
-rw-r--r--libtac/lib/connect.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/libtac/lib/connect.c b/libtac/lib/connect.c
index 1226797..a186220 100644
--- a/libtac/lib/connect.c
+++ b/libtac/lib/connect.c
@@ -50,7 +50,7 @@ int tac_connect(struct addrinfo **server, char **key, int servers) {
TACSYSLOG((LOG_ERR, "%s: no TACACS+ servers defined", __FUNCTION__))
} else {
for ( tries = 0; tries < servers; tries++ ) {
- if((fd=tac_connect_single(server[tries], key[tries])) >= 0 ) {
+ if((fd=tac_connect_single(server[tries], key[tries], NULL)) >= 0 ) {
/* tac_secret was set in tac_connect_single on success */
break;
}
@@ -67,7 +67,7 @@ int tac_connect(struct addrinfo **server, char **key, int servers) {
* >= 0 : valid fd
* < 0 : error status code, see LIBTAC_STATUS_...
*/
-int tac_connect_single(struct addrinfo *server, const char *key) {
+int tac_connect_single(struct addrinfo *server, const char *key, struct addrinfo *srcaddr) {
int retval = LIBTAC_STATUS_CONN_ERR; /* default retval */
int fd = -1;
int flags, rc;
@@ -100,6 +100,15 @@ int tac_connect_single(struct addrinfo *server, const char *key) {
return LIBTAC_STATUS_CONN_ERR;
}
+ /* bind if source address got explicity defined */
+ if (srcaddr) {
+ if (bind(fd, srcaddr->ai_addr, srcaddr->ai_addrlen) < 0) {
+ TACSYSLOG((LOG_ERR, "%s: Failed to bind source address: %s",
+ __FUNCTION__, strerror(errno)))
+ return LIBTAC_STATUS_CONN_ERR;
+ }
+ }
+
rc = connect(fd, server->ai_addr, server->ai_addrlen);
/* FIX this..for some reason errno = 0 on AIX... */
if((rc == -1) && (errno != EINPROGRESS) && (errno != 0)) {