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FS-11903: Fix errors reported by PVS-Studio Static Code Analyzer for switch_event.c

This commit is contained in:
Andrey Volk 2019-07-12 20:41:54 +04:00
parent 6ee5ad8b83
commit 863390ebba
1 changed files with 35 additions and 45 deletions
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80
src/switch_event.c
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@ -955,16 +955,13 @@ SWITCH_DECLARE(int) switch_event_add_array(switch_event_t *event, const char *va
p += 2;
}
if (!max) {
return -2;
}
data = strdup(val + 7);
len = (sizeof(char *) * max) + 1;
switch_assert(len);
array = malloc(len);
switch_assert(array);
memset(array, 0, len);
switch_separate_string_string(data, "|:", array, max);
@ -1565,12 +1562,12 @@ SWITCH_DECLARE(switch_status_t) switch_event_serialize(switch_event_t *event, ch
llen = strlen(hp->name) + strlen(encode_buf) + 8;
if ((len + llen) > dlen) {
char *m = buf;
char *m = NULL;
dlen += (blocksize + (len + llen));
if (!(buf = realloc(buf, dlen))) {
buf = m;
if (!(m = realloc(buf, dlen))) {
abort();
}
buf = m;
}
switch_snprintf(buf + len, dlen - len, "%s: %s\n", hp->name, *encode_buf == '\0' ? "_undef_" : encode_buf);
@ -1591,12 +1588,12 @@ SWITCH_DECLARE(switch_status_t) switch_event_serialize(switch_event_t *event, ch
}
if ((len + llen) > dlen) {
char *m = buf;
char *m = NULL;
dlen += (blocksize + (len + llen));
if (!(buf = realloc(buf, dlen))) {
buf = m;
if (!(m = realloc(buf, dlen))) {
abort();
}
buf = m;
}
if (blen) {
@ -2244,6 +2241,7 @@ SWITCH_DECLARE(char *) switch_event_expand_headers_check(switch_event_t *event,
nv = 0;
olen = strlen(in) + 1;
indup = strdup(in);
switch_assert(indup);
endof_indup = end_of_p(indup) + 1;
if ((data = malloc(olen))) {
@ -2438,45 +2436,36 @@ SWITCH_DECLARE(char *) switch_event_expand_headers_check(switch_event_t *event,
} else {
switch_stream_handle_t stream = { 0 };
char *expanded = NULL;
char *expanded_vname = NULL;
SWITCH_STANDARD_STREAM(stream);
if (stream.data) {
char *expanded_vname = NULL;
if ((expanded_vname = switch_event_expand_headers_check(event, (char *) vname, var_list, api_list, recur+1)) == vname) {
expanded_vname = NULL;
} else {
vname = expanded_vname;
}
if ((expanded = switch_event_expand_headers_check(event, vval, var_list, api_list, recur+1)) == vval) {
expanded = NULL;
} else {
vval = expanded;
}
if (!switch_core_test_flag(SCF_API_EXPANSION) || (api_list && !switch_event_check_permission_list(api_list, vname))) {
func_val = NULL;
sub_val = "<API execute Permission Denied>";
} else {
if (switch_api_execute(vname, vval, NULL, &stream) == SWITCH_STATUS_SUCCESS) {
func_val = stream.data;
sub_val = func_val;
} else {
free(stream.data);
}
}
switch_safe_free(expanded);
switch_safe_free(expanded_vname);
if ((expanded_vname = switch_event_expand_headers_check(event, (char *) vname, var_list, api_list, recur+1)) == vname) {
expanded_vname = NULL;
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Memory Error!\n");
free(data);
free(indup);
return (char *) in;
vname = expanded_vname;
}
if ((expanded = switch_event_expand_headers_check(event, vval, var_list, api_list, recur+1)) == vval) {
expanded = NULL;
} else {
vval = expanded;
}
if (!switch_core_test_flag(SCF_API_EXPANSION) || (api_list && !switch_event_check_permission_list(api_list, vname))) {
func_val = NULL;
sub_val = "<API execute Permission Denied>";
} else {
if (switch_api_execute(vname, vval, NULL, &stream) == SWITCH_STATUS_SUCCESS) {
func_val = stream.data;
sub_val = func_val;
} else {
free(stream.data);
}
}
switch_safe_free(expanded);
switch_safe_free(expanded_vname);
}
if ((nlen = sub_val ? strlen(sub_val) : 0)) {
if (len + nlen >= olen) {
@ -2925,6 +2914,7 @@ static void ecd_deliver(event_channel_data_t **ecdP)
if ((p = strchr(ecd->event_channel, '.'))) {
char *main_channel = strdup(ecd->event_channel);
switch_assert(main_channel);
p = strchr(main_channel, '.');
*p = '\0';
_switch_event_channel_broadcast(main_channel, ecd->event_channel, ecd->json, ecd->key, ecd->id);
@ -3022,7 +3012,7 @@ SWITCH_DECLARE(switch_status_t) switch_event_channel_broadcast(const char *event
switch_thread_pool_launch_thread(&td);
}
if ((status = switch_queue_trypush(EVENT_CHANNEL_DISPATCH_QUEUE, ecd) != SWITCH_STATUS_SUCCESS)) {
if ((status = switch_queue_trypush(EVENT_CHANNEL_DISPATCH_QUEUE, ecd)) != SWITCH_STATUS_SUCCESS) {
cJSON_Delete(ecd->json);
ecd->json = NULL;
destroy_ecd(&ecd);