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wget: fix download of URLs like:

Browse Source 
http://busybox.net?var=a/b
http://busybox.net?login=john@doe
http://busybox.net#test/test
This commit is contained in:
Denis Vlasenko 2006-10-07 14:28:28 +00:00
parent bede7d0ebe
commit a655152b00
1 changed files with 30 additions and 6 deletions
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36
networking/wget.c
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@ -351,6 +351,7 @@ read_response:
}
if (strcasecmp(buf, "location") == 0) {
if (s[0] == '/')
// FIXME: this is dirty
target.path = xstrdup(s+1);
else {
parse_url(xstrdup(s), &target);
@ -500,25 +501,48 @@ read_response:
static void parse_url(char *url, struct host_info *h)
{
char *cp, *sp, *up, *pp;
char *p, *cp, *sp, *up, *pp;
if (strncmp(url, "http://", 7) == 0) {
h->port = bb_lookup_port("http", "tcp", 80);
h->host = url + 7;
h->is_ftp = 0;
} else if (strncmp(url, "ftp://", 6) == 0) {
h->port = bb_lookup_port("ftp", "tfp", 21);
h->port = bb_lookup_port("ftp", "tcp", 21);
h->host = url + 6;
h->is_ftp = 1;
} else
bb_error_msg_and_die("not an http or ftp url: %s", url);
// FYI:
// "Real" wget 'http://busybox.net?var=a/b' sends this request:
// 'GET /?var=a/b HTTP 1.0'
// and saves 'index.html?var=a%2Fb'
// wget 'http://busybox.net?login=john@doe':
// request: 'GET /?login=john@doe HTTP/1.0'
// saves: 'index.html?login=john@doe' (we save ?login=john@doe)
// wget 'http://busybox.net#test/test':
// request: 'GET / HTTP/1.0'
// saves: 'index.html' (we save 'test')
//
// We also don't add unique .N suffix if file exists...
sp = strchr(h->host, '/');
if (sp) {
p = strchr(h->host, '?'); if (!sp || (p && sp > p)) sp = p;
p = strchr(h->host, '#'); if (!sp || (p && sp > p)) sp = p;
if (!sp) {
h->path = "";
} else if (*sp == '/') {
*sp++ = '\0';
h->path = sp;
} else
h->path = xstrdup("");
} else { // '#' or '?'
// http://busybox.net?login=john@doe is a valid URL
// memmove converts to:
// http:/busybox.nett?login=john@doe...
memmove(h->host-1, h->host, sp - h->host);
h->host--;
sp[-1] = '\0';
h->path = sp;
}
up = strrchr(h->host, '@');
if (up != NULL) {
@ -535,7 +559,7 @@ static void parse_url(char *url, struct host_info *h)
char *ep;
ep = h->host + 1;
while (*ep == ':' || isxdigit (*ep))
while (*ep == ':' || isxdigit(*ep))
ep++;
if (*ep == ']') {
h->host++;