diff options
-rw-r--r-- | block/curl.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/block/curl.c b/block/curl.c index b4157cc8b3..bbee3ca179 100644 --- a/block/curl.c +++ b/block/curl.c @@ -64,6 +64,7 @@ static CURLMcode __curl_multi_socket_action(CURLM *multi_handle, #define SECTOR_SIZE 512 #define READ_AHEAD_DEFAULT (256 * 1024) #define CURL_TIMEOUT_DEFAULT 5 +#define CURL_TIMEOUT_MAX 10000 #define FIND_RET_NONE 0 #define FIND_RET_OK 1 @@ -112,7 +113,7 @@ typedef struct BDRVCURLState { char *url; size_t readahead_size; bool sslverify; - int timeout; + uint64_t timeout; char *cookie; bool accept_range; AioContext *aio_context; @@ -390,7 +391,7 @@ static CURLState *curl_init_state(BlockDriverState *bs, BDRVCURLState *s) if (s->cookie) { curl_easy_setopt(state->curl, CURLOPT_COOKIE, s->cookie); } - curl_easy_setopt(state->curl, CURLOPT_TIMEOUT, s->timeout); + curl_easy_setopt(state->curl, CURLOPT_TIMEOUT, (long)s->timeout); curl_easy_setopt(state->curl, CURLOPT_WRITEFUNCTION, (void *)curl_read_cb); curl_easy_setopt(state->curl, CURLOPT_WRITEDATA, (void *)state); @@ -546,6 +547,10 @@ static int curl_open(BlockDriverState *bs, QDict *options, int flags, s->timeout = qemu_opt_get_number(opts, CURL_BLOCK_OPT_TIMEOUT, CURL_TIMEOUT_DEFAULT); + if (s->timeout > CURL_TIMEOUT_MAX) { + error_setg(errp, "timeout parameter is too large or negative"); + goto out_noclean; + } s->sslverify = qemu_opt_get_bool(opts, CURL_BLOCK_OPT_SSLVERIFY, true); |