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url: Fixed crash when no username or password supplied for proxy

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Fixed an issue in parse_proxy(), introduced in commit 11332577b3,
where an empty username or password (For example: http://:@example.com)
would cause a crash.
This commit is contained in:
Steve Holme 2013-04-21 16:55:19 +01:00
parent 455ba691a7
commit 416ecc1584
1 changed files with 8 additions and 2 deletions
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10
lib/url.c
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@ -4208,13 +4208,19 @@ static CURLcode parse_proxy(struct SessionHandle *data,
username or password with reserved characters like ':' in
them. */
Curl_safefree(conn->proxyuser);
conn->proxyuser = curl_easy_unescape(data, proxyuser, 0, NULL);
if(proxyuser)
conn->proxyuser = curl_easy_unescape(data, proxyuser, 0, NULL);
else
conn->proxyuser = strdup("");
if(!conn->proxyuser)
res = CURLE_OUT_OF_MEMORY;
else {
Curl_safefree(conn->proxypasswd);
conn->proxypasswd = curl_easy_unescape(data, proxypasswd, 0, NULL);
if(proxypasswd)
conn->proxypasswd = curl_easy_unescape(data, proxypasswd, 0, NULL);
else
conn->proxypasswd = strdup("");
if(!conn->proxypasswd)
res = CURLE_OUT_OF_MEMORY;