diff options
| -rw-r--r-- | lib/url.c | 27 |
1 files changed, 22 insertions, 5 deletions
@@ -4466,6 +4466,7 @@ static CURLcode parseurlandfillconn(struct Curl_easy *data, #endif protop = "file"; /* protocol string */ + *prot_missing = !url_has_scheme; } else { /* clear path */ @@ -4629,14 +4630,30 @@ static CURLcode parseurlandfillconn(struct Curl_easy *data, size_t plen = strlen(path); /* new path, should be 1 byte longer than the original */ - size_t urllen = strlen(data->change.url); /* original URL length */ - size_t prefixlen = strlen(conn->host.name); - if(!*prot_missing) - prefixlen += strlen(protop) + strlen("://"); + if(!*prot_missing) { + size_t protolen = strlen(protop); + + if(curl_strnequal(protop, data->change.url, protolen)) + prefixlen += protolen; + else { + failf(data, "<url> malformed"); + return CURLE_URL_MALFORMAT; + } + + if(curl_strnequal("://", &data->change.url[protolen], 3)) + prefixlen += 3; + /* only file: is allowed to omit one or both slashes */ + else if(curl_strnequal("file:", data->change.url, 5)) + prefixlen += 1 + (data->change.url[5] == '/'); + else { + failf(data, "<url> malformed"); + return CURLE_URL_MALFORMAT; + } + } - reurl = malloc(urllen + 2); /* 2 for zerobyte + slash */ + reurl = malloc(prefixlen + plen + 1); if(!reurl) return CURLE_OUT_OF_MEMORY; |