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BUG/MINOR: httpclient: return NULL when no proxy available during httpclient_new()

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Latest patches on the mworker rework skipped the httpclient_proxy
creation by accident. This is not supposed to happen because haproxy is
supposed to stop when the proxy creation failed, but it shows a flaw in
the API.

When the httpclient_proxy or the proxy used in parameter of
httpclient_new_from_proxy() is NULL, it will be dereferenced and cause a
crash.

The patch only returns a NULL when doing an httpclient_new() if the
proxy is not available.

Must be backported as far as 2.7.
This commit is contained in:
William Lallemand 2024-10-17 11:57:29 +02:00
parent 1fb61475f2
commit e7b7072943
1 changed files with 6 additions and 0 deletions
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6
src/http_client.c
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@ -628,6 +628,9 @@ struct httpclient *httpclient_new(void *caller, enum http_meth_t meth, struct is
{
struct httpclient *hc;
if (!httpclient_proxy)
return NULL;
hc = calloc(1, sizeof(*hc));
if (!hc)
goto err;
@ -655,6 +658,9 @@ struct httpclient *httpclient_new_from_proxy(struct proxy *px, void *caller, enu
{
struct httpclient *hc;
if (!px)
return NULL;
hc = httpclient_new(caller, meth, url);
if (!hc)
return NULL;