FS-4710 --resolve don't send any data containing ESC seq over syslog

diff --git a/src/mod/loggers/mod_syslog/mod_syslog.c b/src/mod/loggers/mod_syslog/mod_syslog.c
index 535a90cc66d8dccd3761794ee3e92bd4d2c64c93..fcaef3e958065c113ceae67f3f2c9143258836ba 100644 (file)
--- a/src/mod/loggers/mod_syslog/mod_syslog.c
+++ b/src/mod/loggers/mod_syslog/mod_syslog.c
@@ -114,6 +114,20 @@ static switch_loadable_module_interface_t console_module_interface = {
        /*.directory_interface */ NULL
 };
 
+
+static int find_unprintable(const char *s)
+{
+       const char *p;
+
+       for(p = s; p && *p; p++) {
+               if (*p < 10 || *p == 27) {
+                       return 1;
+               }
+       }
+
+       return 0;
+}
+
 static switch_status_t mod_syslog_logger(const switch_log_node_t *node, switch_log_level_t level)
 {
        int syslog_level;
@@ -146,7 +160,7 @@ static switch_status_t mod_syslog_logger(const switch_log_node_t *node, switch_l
        }
 
        /* don't log blank lines */
-       if (!zstr(node->data) && (strspn(node->data, " \t\r\n") < strlen(node->data))) {
+       if (!zstr(node->data) && (strspn(node->data, " \t\r\n") < strlen(node->data)) && !find_unprintable(node->data)) {
                if (globals.log_uuid && !zstr(node->userdata)) {
                        syslog(syslog_level, "%s %s", node->userdata, node->data);
                } else {