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authorVolker Lendecke <vl@samba.org>2008-12-25 14:37:33 +0100
committerVolker Lendecke <vl@samba.org>2008-12-31 19:33:26 +0100
commitd99aeed50f1221561d8d935777216d372a2a4a71 (patch)
treeb6d2c578a46032cce7269b2314456d7d3fefe588 /source3
parent608910d40bbba37e3424ce1f7e06582190be13f2 (diff)
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Replace a static variable and alarm() calls by using sys_select()
Günther, please check!
Diffstat (limited to 'source3')
-rw-r--r--source3/libads/cldap.c47
1 files changed, 24 insertions, 23 deletions
diff --git a/source3/libads/cldap.c b/source3/libads/cldap.c
index 35fb9316f8..d66e35cacb 100644
--- a/source3/libads/cldap.c
+++ b/source3/libads/cldap.c
@@ -106,17 +106,6 @@ static int send_cldap_netlogon(TALLOC_CTX *mem_ctx, int sock, const char *domain
return 0;
}
-static SIG_ATOMIC_T gotalarm;
-
-/***************************************************************
- Signal function to tell us we timed out.
-****************************************************************/
-
-static void gotalarm_sig(void)
-{
- gotalarm = 1;
-}
-
/*
receive a cldap netlogon reply
*/
@@ -132,11 +121,12 @@ static int recv_cldap_netlogon(TALLOC_CTX *mem_ctx,
DATA_BLOB os2 = data_blob_null;
DATA_BLOB os3 = data_blob_null;
int i1;
- /* half the time of a regular ldap timeout, not less than 3 seconds. */
- unsigned int al_secs = MAX(3,lp_ldap_timeout()/2);
struct netlogon_samlogon_response *r = NULL;
NTSTATUS status;
+ fd_set r_fds;
+ struct timeval timeout;
+
blob = data_blob(NULL, 8192);
if (blob.data == NULL) {
DEBUG(1, ("data_blob failed\n"));
@@ -144,18 +134,29 @@ static int recv_cldap_netlogon(TALLOC_CTX *mem_ctx,
return -1;
}
- /* Setup timeout */
- gotalarm = 0;
- CatchSignal(SIGALRM, SIGNAL_CAST gotalarm_sig);
- alarm(al_secs);
- /* End setup timeout. */
-
- ret = read(sock, blob.data, blob.length);
+ FD_ZERO(&r_fds);
+ FD_SET(sock, &r_fds);
+
+ /*
+ * half the time of a regular ldap timeout, not less than 3 seconds.
+ */
+ timeout.tv_sec = MAX(3,lp_ldap_timeout()/2);
+ timeout.tv_usec = 0;
+
+ ret = sys_select(sock+1, &r_fds, NULL, NULL, &timeout);
+ if (ret == -1) {
+ DEBUG(10, ("select failed: %s\n", strerror(errno)));
+ data_blob_free(&blob);
+ return -1;
+ }
- /* Teardown timeout. */
- CatchSignal(SIGALRM, SIGNAL_CAST SIG_IGN);
- alarm(0);
+ if (ret == 0) {
+ DEBUG(1,("no reply received to cldap netlogon\n"));
+ data_blob_free(&blob);
+ return -1;
+ }
+ ret = read(sock, blob.data, blob.length);
if (ret <= 0) {
DEBUG(1,("no reply received to cldap netlogon\n"));
data_blob_free(&blob);