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check oom on lws_malloc

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Signed-off-by: Andy Green <andy@warmcat.com>
This commit is contained in:
Andy Green 2016-05-12 21:04:33 +08:00
parent 03e628b9a6
commit b6d229d726
4 changed files with 42 additions and 22 deletions
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4
lib/libuv.c
View file

@ -152,6 +152,10 @@ lws_uv_initloop(struct lws_context *context, uv_loop_t *loop, int tsi)
if (!loop) {
loop = lws_malloc(sizeof(*loop));
if (!loop) {
lwsl_err("OOM\n");
return -1;
}
#if UV_VERSION_MAJOR > 0
uv_loop_init(loop);
#else

5
lib/rewrite.c
View file

@ -6,6 +6,11 @@ lws_rewrite_create(struct lws *wsi, hubbub_callback_t cb, const char *from, cons
{
struct lws_rewrite *r = lws_malloc(sizeof(*r));
if (!r) {
lwsl_err("OOM\n");
return NULL;
}
if (hubbub_parser_create("UTF-8", false, &r->parser) != HUBBUB_OK) {
lws_free(r);

53
lib/server.c
View file

@ -538,34 +538,39 @@ lws_http_action(struct lws *wsi)
lws_access_log(wsi);
wsi->access_log.header_log = lws_malloc(l);
if (wsi->access_log.header_log) {
tmp = localtime(&t);
if (tmp)
strftime(da, sizeof(da), "%d/%b/%Y:%H:%M:%S %z", tmp);
else
strcpy(da, "01/Jan/1970:00:00:00 +0000");
tmp = localtime(&t);
if (tmp)
strftime(da, sizeof(da), "%d/%b/%Y:%H:%M:%S %z", tmp);
else
strcpy(da, "01/Jan/1970:00:00:00 +0000");
pa = lws_get_peer_simple(wsi, ads, sizeof(ads));
if (!pa)
pa = "(unknown)";
pa = lws_get_peer_simple(wsi, ads, sizeof(ads));
if (!pa)
pa = "(unknown)";
if (meth >= 0)
me = method_names[meth];
else
me = "unknown";
if (meth >= 0)
me = method_names[meth];
else
me = "unknown";
snprintf(wsi->access_log.header_log, l,
"%s - - [%s] \"%s %s %s\"",
pa, da, me, uri_ptr,
hver[wsi->u.http.request_version]);
snprintf(wsi->access_log.header_log, l,
"%s - - [%s] \"%s %s %s\"",
pa, da, me, uri_ptr,
hver[wsi->u.http.request_version]);
l = lws_hdr_total_length(wsi, WSI_TOKEN_HTTP_USER_AGENT);
if (l) {
wsi->access_log.user_agent = lws_malloc(l + 2);
lws_hdr_copy(wsi, wsi->access_log.user_agent,
l + 1, WSI_TOKEN_HTTP_USER_AGENT);
l = lws_hdr_total_length(wsi, WSI_TOKEN_HTTP_USER_AGENT);
if (l) {
wsi->access_log.user_agent = lws_malloc(l + 2);
if (wsi->access_log.user_agent)
lws_hdr_copy(wsi, wsi->access_log.user_agent,
l + 1, WSI_TOKEN_HTTP_USER_AGENT);
else
lwsl_err("OOM getting user agent\n");
}
wsi->access_log_pending = 1;
}
wsi->access_log_pending = 1;
}
#endif
@ -1449,6 +1454,10 @@ lws_adopt_socket_readbuf(struct lws_context *context, lws_sockfd_type accept_fd,
* below to the rx buffer (via lws_header_table_reset()).
*/
wsi->u.hdr.preamble_rx = lws_malloc(len);
if (!wsi->u.hdr.preamble_rx) {
lwsl_err("OOM\n");
goto bail;
}
memcpy(wsi->u.hdr.preamble_rx, readbuf, len);
wsi->u.hdr.preamble_rx_len = len;

2
lib/service.c
View file

@ -368,6 +368,8 @@ int lws_rxflow_cache(struct lws *wsi, unsigned char *buf, int n, int len)
/* a new rxflow, buffer it and warn caller */
lwsl_info("new rxflow input buffer len %d\n", len - n);
wsi->rxflow_buffer = lws_malloc(len - n);
if (!wsi->rxflow_buffer)
return -1;
wsi->rxflow_len = len - n;
wsi->rxflow_pos = 0;
memcpy(wsi->rxflow_buffer, buf + n, len - n);