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authorKamil Dudka <kdudka@redhat.com>2021-04-30 18:14:45 +0200
committerDaniel Stenberg <daniel@haxx.se>2021-05-01 23:39:18 +0200
commit31931704707324af4b4edb24cc877829f7e9949e (patch)
tree0dbdecc1238ca2445e353ea4c081b09430cde34c /lib/http2.c
parent8228002cd1b4391c701dd68b126421787da1c332 (diff)
downloadcurl-31931704707324af4b4edb24cc877829f7e9949e.tar.gz
http2: fix resource leaks in set_transfer_url()
... detected by Coverity: Error: RESOURCE_LEAK (CWE-772): lib/http2.c:480: alloc_fn: Storage is returned from allocation function "curl_url". [Note: The source code implementation of the function has been overridden by a builtin model.] lib/http2.c:480: var_assign: Assigning: "u" = storage returned from "curl_url()". lib/http2.c:486: noescape: Resource "u" is not freed or pointed-to in "curl_url_set". [Note: The source code implementation of the function has been overridden by a builtin model.] lib/http2.c:488: leaked_storage: Variable "u" going out of scope leaks the storage it points to. Error: RESOURCE_LEAK (CWE-772): lib/http2.c:480: alloc_fn: Storage is returned from allocation function "curl_url". [Note: The source code implementation of the function has been overridden by a builtin model.] lib/http2.c:480: var_assign: Assigning: "u" = storage returned from "curl_url()". lib/http2.c:493: noescape: Resource "u" is not freed or pointed-to in "curl_url_set". [Note: The source code implementation of the function has been overridden by a builtin model.] lib/http2.c:495: leaked_storage: Variable "u" going out of scope leaks the storage it points to. Error: RESOURCE_LEAK (CWE-772): lib/http2.c:480: alloc_fn: Storage is returned from allocation function "curl_url". [Note: The source code implementation of the function has been overridden by a builtin model.] lib/http2.c:480: var_assign: Assigning: "u" = storage returned from "curl_url()". lib/http2.c:500: noescape: Resource "u" is not freed or pointed-to in "curl_url_set". [Note: The source code implementation of the function has been overridden by a builtin model.] lib/http2.c:502: leaked_storage: Variable "u" going out of scope leaks the storage it points to. Error: RESOURCE_LEAK (CWE-772): lib/http2.c:480: alloc_fn: Storage is returned from allocation function "curl_url". [Note: The source code implementation of the function has been overridden by a builtin model.] lib/http2.c:480: var_assign: Assigning: "u" = storage returned from "curl_url()". lib/http2.c:505: noescape: Resource "u" is not freed or pointed-to in "curl_url_get". [Note: The source code implementation of the function has been overridden by a builtin model.] lib/http2.c:507: leaked_storage: Variable "u" going out of scope leaks the storage it points to. Closes #6986
Diffstat (limited to 'lib/http2.c')
-rw-r--r--lib/http2.c24
1 files changed, 17 insertions, 7 deletions
diff --git a/lib/http2.c b/lib/http2.c
index a3eee0ea7..ad7ae1d1b 100644
--- a/lib/http2.c
+++ b/lib/http2.c
@@ -500,32 +500,42 @@ static int set_transfer_url(struct Curl_easy *data,
CURLU *u = curl_url();
CURLUcode uc;
char *url;
+ int rc = 0;
v = curl_pushheader_byname(hp, ":scheme");
if(v) {
uc = curl_url_set(u, CURLUPART_SCHEME, v, 0);
- if(uc)
- return 1;
+ if(uc) {
+ rc = 1;
+ goto fail;
+ }
}
v = curl_pushheader_byname(hp, ":authority");
if(v) {
uc = curl_url_set(u, CURLUPART_HOST, v, 0);
- if(uc)
- return 2;
+ if(uc) {
+ rc = 2;
+ goto fail;
+ }
}
v = curl_pushheader_byname(hp, ":path");
if(v) {
uc = curl_url_set(u, CURLUPART_PATH, v, 0);
- if(uc)
- return 3;
+ if(uc) {
+ rc = 3;
+ goto fail;
+ }
}
uc = curl_url_get(u, CURLUPART_URL, &url, 0);
if(uc)
- return 4;
+ rc = 4;
+ fail:
curl_url_cleanup(u);
+ if(rc)
+ return rc;
if(data->state.url_alloc)
free(data->state.url);