core: check if the tcp clone rcv buffer is set when applying changes

(cherry picked from commit aa13720)
kamailio · Dec 11, 2020 · 7c7fc27 · 7c7fc27
1 parent 5c6ddfe
commit 7c7fc27
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Showing 3 changed files with 12 additions and 1 deletion.
diff --git a/src/core/msg_translator.c b/src/core/msg_translator.c
@@ -3251,7 +3251,12 @@ int sip_msg_update_buffer(sip_msg_t *msg, str *obuf)
 		LM_ERR("invalid buffer parameter\n");
 		return -1;
 	}
-
+#ifdef USE_TCP
+	if(tcp_get_clone_rcvbuf()==0) {
+		LM_ERR("tcp clone received buffer not enabled\n");
+		return -1;
+	}
+#endif
 	if(obuf->len >= BUF_SIZE) {
 		LM_ERR("new buffer is too large (%d)\n", obuf->len);
 		return -1;

diff --git a/src/core/tcp_options.h b/src/core/tcp_options.h
@@ -157,6 +157,7 @@ void tcp_options_get(struct cfg_group_tcp* t);
 
 #ifdef USE_TCP
 int tcp_set_clone_rcvbuf(int v);
+int tcp_get_clone_rcvbuf(void);
 #endif /* USE_TCP */
 
 #endif /* tcp_options_h */
diff --git a/src/core/tcp_read.c b/src/core/tcp_read.c
@@ -109,6 +109,11 @@ int tcp_set_clone_rcvbuf(int v)
 	return r;
 }
 
+int tcp_get_clone_rcvbuf(void)
+{
+	return tcp_clone_rcvbuf;
+}
+
 #ifdef READ_HTTP11
 static inline char *strfindcasestrz(str *haystack, char *needlez)
 {