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parse_remote_port: error out on illegal port numbers better

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This commit is contained in:
Daniel Stenberg 2014-03-06 00:06:45 +00:00
parent 219a0fbe76
commit 539412851c
1 changed files with 9 additions and 12 deletions
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17
lib/url.c
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@ -4770,24 +4770,21 @@ static CURLcode parse_remote_port(struct SessionHandle *data,
/* no CURLOPT_PORT given, extract the one from the URL */
char *rest;
unsigned long port;
long port;
port=strtoul(portptr+1, &rest, 10); /* Port number must be decimal */
port=strtol(portptr+1, &rest, 10); /* Port number must be decimal */
if(rest != (portptr+1) && *rest == '\0') {
/* The colon really did have only digits after it,
* so it is either a port number or a mistake */
if(port > 0xffff) { /* Single unix standard says port numbers are
* 16 bits long */
failf(data, "Port number too large: %lu", port);
if((port < 0) || (port > 0xffff)) {
/* Single unix standard says port numbers are 16 bits long */
failf(data, "Port number out of range");
return CURLE_URL_MALFORMAT;
}
else if(rest != &portptr[1]) {
*portptr = '\0'; /* cut off the name there */
conn->remote_port = curlx_ultous(port);
}
else if(!port)
else
/* Browser behavior adaptation. If there's a colon with no digits after,
just cut off the name there which makes us ignore the colon and just
use the default port. Firefox and Chrome both do that. */