Mon, 12 Aug 2024 21:20:17 +0200
fix memory leak in case handle_request fails (some illegal requests)
--- a/src/server/daemon/httprequest.c Mon Aug 12 00:22:37 2024 +0200 +++ b/src/server/daemon/httprequest.c Mon Aug 12 21:20:17 2024 +0200 @@ -133,16 +133,30 @@ // create pool pool_handle_t *pool = pool_create(); + if(!pool) { + log_ereport(LOG_FAILURE, "cannot create new memory pool for http request"); + return 1; + } + + int ret = nsapi_start_request(request, thrpool, ev, pool); + if(ret) { + pool_destroy(pool); + } + return ret; +} +int nsapi_start_request(HTTPRequest *request, threadpool_t *thrpool, EventHandler *ev, pool_handle_t *pool) { // create nsapi data structures NSAPISession *sn = nsapisession_create(pool); if(sn == NULL) { /* TODO: error */ + return 1; } NSAPIRequest *rq = pool_malloc(pool, sizeof(NSAPIRequest)); if(rq == NULL) { /* TODO: error */ + return 1; } ZERO(rq, sizeof(NSAPIRequest)); rq->rq.req_start = request->req_start; @@ -152,6 +166,7 @@ IOStream *io = NULL; if(nsapisession_setconnection(sn, request->connection, request->netbuf, &io)) { // TODO: error + return 1; } if(!ev) { @@ -188,7 +203,6 @@ // init NSAPI request structure if(request_initialize(pool, request, rq) != 0) { log_ereport(LOG_FAILURE, "Cannot initialize request structure"); - pool_destroy(pool); return 1; } @@ -235,7 +249,6 @@ "invalid protocol version: %.*s", (int)request->httpv.length, request->httpv.ptr); - pool_destroy(pool); return 1; } @@ -291,7 +304,6 @@ "invalid request path: {%.*s}", (int)orig_path.length, orig_path.ptr); - pool_destroy(pool); // TODO: 400 bad request return 1; } @@ -426,7 +438,6 @@ // a separate buffer is required for reading chunked transfer enc sn->buffer = pool_malloc(pool, nb->maxsize); if(!sn->buffer) { - pool_destroy(pool); // TODO: error 500 return 1; } @@ -444,7 +455,6 @@ nb->cursize = 0; if(httpstream_enable_chunked_read(sn->sn.csd, sn->buffer, nb->maxsize, &sn->cursize, &sn->pos)) { - pool_destroy(pool); // TODO: error 500 return 1; }
--- a/src/server/daemon/httprequest.h Mon Aug 12 00:22:37 2024 +0200 +++ b/src/server/daemon/httprequest.h Mon Aug 12 21:20:17 2024 +0200 @@ -81,10 +81,18 @@ * starts request processing after reading the request header * * request: request object - * pool: current thread pool or NULL + * thrpool: current thread pool or NULL */ -int handle_request(HTTPRequest *request, threadpool_t *pool, EventHandler *ev); +int handle_request(HTTPRequest *request, threadpool_t *thrpool, EventHandler *ev); +/* + * called by handle_request + */ +int nsapi_start_request( + HTTPRequest *request, + threadpool_t *thrpool, + EventHandler *ev, + pool_handle_t *pool); void header_add(HeaderArray *hd, cxmutstr name, cxmutstr value);
--- a/src/server/daemon/sessionhandler.c Mon Aug 12 00:22:37 2024 +0200 +++ b/src/server/daemon/sessionhandler.c Mon Aug 12 21:20:17 2024 +0200 @@ -450,6 +450,8 @@ int r = handle_request(request, NULL, h); if(r != 0) { connection_destroy(request->connection); + free(request->netbuf->inbuf); + free(request->netbuf); } /*