409 lines
8.7 KiB
C
409 lines
8.7 KiB
C
|
/*
|
||
|
|
* libyahoo2: yahoo_httplib.c
|
||
|
|
*
|
||
|
|
* Copyright (C) 2002-2004, Philip S Tellis <philip.tellis AT gmx.net>
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License as published by
|
||
|
|
* the Free Software Foundation; either version 2 of the License, or
|
||
|
|
* (at your option) any later version.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
* GNU General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU General Public License
|
||
|
|
* along with this program; if not, write to the Free Software
|
||
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
#define PACKAGE "Caya"
|
||
|
|
#define VERSION "0.1.0"
|
||
|
|
|
||
|
|
#if HAVE_CONFIG_H
|
||
|
|
# include <config.h>
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
|
||
|
|
#if STDC_HEADERS
|
||
|
|
# include <string.h>
|
||
|
|
#else
|
||
|
|
# if !HAVE_STRCHR
|
||
|
|
# define strchr index
|
||
|
|
# define strrchr rindex
|
||
|
|
# endif
|
||
|
|
char *strchr(), *strrchr();
|
||
|
|
# if !HAVE_MEMCPY
|
||
|
|
# define memcpy(d, s, n) bcopy ((s), (d), (n))
|
||
|
|
# define memmove(d, s, n) bcopy ((s), (d), (n))
|
||
|
|
# endif
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include <errno.h>
|
||
|
|
#if HAVE_UNISTD_H
|
||
|
|
#include <unistd.h>
|
||
|
|
#endif
|
||
|
|
#include <ctype.h>
|
||
|
|
#include "yahoo2.h"
|
||
|
|
#include "yahoo2_callbacks.h"
|
||
|
|
#include "yahoo_httplib.h"
|
||
|
|
#include "yahoo_util.h"
|
||
|
|
|
||
|
|
#include "yahoo_debug.h"
|
||
|
|
#ifdef __MINGW32__
|
||
|
|
# include <winsock2.h>
|
||
|
|
# define snprintf _snprintf
|
||
|
|
#endif
|
||
|
|
|
||
|
|
extern struct yahoo_callbacks *yc;
|
||
|
|
#define YAHOO_CALLBACK(x) yc->x
|
||
|
|
|
||
|
|
extern enum yahoo_log_level log_level;
|
||
|
|
|
||
|
|
int yahoo_tcp_readline(char *ptr, int maxlen, void *fd)
|
||
|
|
{
|
||
|
|
int n, rc;
|
||
|
|
char c;
|
||
|
|
|
||
|
|
for (n = 1; n < maxlen; n++) {
|
||
|
|
|
||
|
|
do {
|
||
|
|
rc = YAHOO_CALLBACK(ext_yahoo_read) (fd, &c, 1);
|
||
|
|
} while (rc == -1 && (errno == EINTR || errno == EAGAIN)); /* this is bad - it should be done asynchronously */
|
||
|
|
|
||
|
|
if (rc == 1) {
|
||
|
|
if (c == '\r') /* get rid of \r */
|
||
|
|
continue;
|
||
|
|
*ptr = c;
|
||
|
|
if (c == '\n')
|
||
|
|
break;
|
||
|
|
ptr++;
|
||
|
|
} else if (rc == 0) {
|
||
|
|
if (n == 1)
|
||
|
|
return (0); /* EOF, no data */
|
||
|
|
else
|
||
|
|
break; /* EOF, w/ data */
|
||
|
|
} else {
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
*ptr = 0;
|
||
|
|
return (n);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int url_to_host_port_path(const char *url,
|
||
|
|
char *host, int *port, char *path, int *ssl)
|
||
|
|
{
|
||
|
|
char *urlcopy = NULL;
|
||
|
|
char *slash = NULL;
|
||
|
|
char *colon = NULL;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* http://hostname
|
||
|
|
* http://hostname/
|
||
|
|
* http://hostname/path
|
||
|
|
* http://hostname/path:foo
|
||
|
|
* http://hostname:port
|
||
|
|
* http://hostname:port/
|
||
|
|
* http://hostname:port/path
|
||
|
|
* http://hostname:port/path:foo
|
||
|
|
* and https:// variants of the above
|
||
|
|
*/
|
||
|
|
|
||
|
|
if (strstr(url, "http://") == url) {
|
||
|
|
urlcopy = strdup(url + 7);
|
||
|
|
} else if (strstr(url, "https://") == url) {
|
||
|
|
urlcopy = strdup(url + 8);
|
||
|
|
*ssl = 1;
|
||
|
|
} else {
|
||
|
|
WARNING(("Weird url - unknown protocol: %s", url));
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
slash = strchr(urlcopy, '/');
|
||
|
|
colon = strchr(urlcopy, ':');
|
||
|
|
|
||
|
|
if (!colon || (slash && slash < colon)) {
|
||
|
|
if (*ssl)
|
||
|
|
*port = 443;
|
||
|
|
else
|
||
|
|
*port = 80;
|
||
|
|
} else {
|
||
|
|
*colon = 0;
|
||
|
|
*port = atoi(colon + 1);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!slash) {
|
||
|
|
strcpy(path, "/");
|
||
|
|
} else {
|
||
|
|
strcpy(path, slash);
|
||
|
|
*slash = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
strcpy(host, urlcopy);
|
||
|
|
|
||
|
|
FREE(urlcopy);
|
||
|
|
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int isurlchar(unsigned char c)
|
||
|
|
{
|
||
|
|
return (isalnum(c));
|
||
|
|
}
|
||
|
|
|
||
|
|
char *yahoo_urlencode(const char *instr)
|
||
|
|
{
|
||
|
|
int ipos = 0, bpos = 0;
|
||
|
|
char *str = NULL;
|
||
|
|
int len = strlen(instr);
|
||
|
|
|
||
|
|
if (!(str = y_new(char, 3 *len + 1)))
|
||
|
|
return "";
|
||
|
|
|
||
|
|
while (instr[ipos]) {
|
||
|
|
while (isurlchar(instr[ipos]))
|
||
|
|
str[bpos++] = instr[ipos++];
|
||
|
|
if (!instr[ipos])
|
||
|
|
break;
|
||
|
|
|
||
|
|
snprintf(&str[bpos], 4, "%%%02x", instr[ipos] & 0xff);
|
||
|
|
bpos += 3;
|
||
|
|
ipos++;
|
||
|
|
}
|
||
|
|
str[bpos] = '\0';
|
||
|
|
|
||
|
|
/* free extra alloc'ed mem. */
|
||
|
|
len = strlen(str);
|
||
|
|
str = y_renew(char, str, len + 1);
|
||
|
|
|
||
|
|
return (str);
|
||
|
|
}
|
||
|
|
|
||
|
|
char *yahoo_urldecode(const char *instr)
|
||
|
|
{
|
||
|
|
int ipos = 0, bpos = 0;
|
||
|
|
char *str = NULL;
|
||
|
|
char entity[3] = { 0, 0, 0 };
|
||
|
|
unsigned dec;
|
||
|
|
int len = strlen(instr);
|
||
|
|
|
||
|
|
if (!(str = y_new(char, len + 1)))
|
||
|
|
return "";
|
||
|
|
|
||
|
|
while (instr[ipos]) {
|
||
|
|
while (instr[ipos] && instr[ipos] != '%')
|
||
|
|
if (instr[ipos] == '+') {
|
||
|
|
str[bpos++] = ' ';
|
||
|
|
ipos++;
|
||
|
|
} else
|
||
|
|
str[bpos++] = instr[ipos++];
|
||
|
|
if (!instr[ipos])
|
||
|
|
break;
|
||
|
|
|
||
|
|
if (instr[ipos + 1] && instr[ipos + 2]) {
|
||
|
|
ipos++;
|
||
|
|
entity[0] = instr[ipos++];
|
||
|
|
entity[1] = instr[ipos++];
|
||
|
|
sscanf(entity, "%2x", &dec);
|
||
|
|
str[bpos++] = (char)dec;
|
||
|
|
} else {
|
||
|
|
str[bpos++] = instr[ipos++];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
str[bpos] = '\0';
|
||
|
|
|
||
|
|
/* free extra alloc'ed mem. */
|
||
|
|
len = strlen(str);
|
||
|
|
str = y_renew(char, str, len + 1);
|
||
|
|
|
||
|
|
return (str);
|
||
|
|
}
|
||
|
|
|
||
|
|
char *yahoo_xmldecode(const char *instr)
|
||
|
|
{
|
||
|
|
int ipos = 0, bpos = 0, epos = 0;
|
||
|
|
char *str = NULL;
|
||
|
|
char entity[4] = { 0, 0, 0, 0 };
|
||
|
|
char *entitymap[5][2] = {
|
||
|
|
{"amp;", "&"},
|
||
|
|
{"quot;", "\""},
|
||
|
|
{"lt;", "<"},
|
||
|
|
{"gt;", "<"},
|
||
|
|
{"nbsp;", " "}
|
||
|
|
};
|
||
|
|
unsigned dec;
|
||
|
|
int len = strlen(instr);
|
||
|
|
|
||
|
|
if (!(str = y_new(char, len + 1)))
|
||
|
|
return "";
|
||
|
|
|
||
|
|
while (instr[ipos]) {
|
||
|
|
while (instr[ipos] && instr[ipos] != '&')
|
||
|
|
if (instr[ipos] == '+') {
|
||
|
|
str[bpos++] = ' ';
|
||
|
|
ipos++;
|
||
|
|
} else
|
||
|
|
str[bpos++] = instr[ipos++];
|
||
|
|
if (!instr[ipos] || !instr[ipos + 1])
|
||
|
|
break;
|
||
|
|
ipos++;
|
||
|
|
|
||
|
|
if (instr[ipos] == '#') {
|
||
|
|
ipos++;
|
||
|
|
epos = 0;
|
||
|
|
while (instr[ipos] != ';')
|
||
|
|
entity[epos++] = instr[ipos++];
|
||
|
|
sscanf(entity, "%u", &dec);
|
||
|
|
str[bpos++] = (char)dec;
|
||
|
|
ipos++;
|
||
|
|
} else {
|
||
|
|
int i;
|
||
|
|
for (i = 0; i < 5; i++)
|
||
|
|
if (!strncmp(instr + ipos, entitymap[i][0],
|
||
|
|
strlen(entitymap[i][0]))) {
|
||
|
|
str[bpos++] = entitymap[i][1][0];
|
||
|
|
ipos += strlen(entitymap[i][0]);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
str[bpos] = '\0';
|
||
|
|
|
||
|
|
/* free extra alloc'ed mem. */
|
||
|
|
len = strlen(str);
|
||
|
|
str = y_renew(char, str, len + 1);
|
||
|
|
|
||
|
|
return (str);
|
||
|
|
}
|
||
|
|
|
||
|
|
typedef void (*http_connected) (int id, void *fd, int error);
|
||
|
|
|
||
|
|
struct callback_data {
|
||
|
|
int id;
|
||
|
|
yahoo_get_fd_callback callback;
|
||
|
|
char *request;
|
||
|
|
void *user_data;
|
||
|
|
};
|
||
|
|
|
||
|
|
static void connect_complete(void *fd, int error, void *data)
|
||
|
|
{
|
||
|
|
struct callback_data *ccd = data;
|
||
|
|
if (error == 0)
|
||
|
|
YAHOO_CALLBACK(ext_yahoo_write) (fd, ccd->request,
|
||
|
|
strlen(ccd->request));
|
||
|
|
free(ccd->request);
|
||
|
|
ccd->callback(ccd->id, fd, error, ccd->user_data);
|
||
|
|
FREE(ccd);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void yahoo_send_http_request(int id, char *host, int port, char *request,
|
||
|
|
yahoo_get_fd_callback callback, void *data, int use_ssl)
|
||
|
|
{
|
||
|
|
struct callback_data *ccd = y_new0(struct callback_data, 1);
|
||
|
|
ccd->callback = callback;
|
||
|
|
ccd->id = id;
|
||
|
|
ccd->request = strdup(request);
|
||
|
|
ccd->user_data = data;
|
||
|
|
|
||
|
|
YAHOO_CALLBACK(ext_yahoo_connect_async) (id, host, port,
|
||
|
|
connect_complete, ccd, use_ssl);
|
||
|
|
}
|
||
|
|
|
||
|
|
void yahoo_http_post(int id, const char *url, const char *cookies,
|
||
|
|
long content_length, yahoo_get_fd_callback callback, void *data)
|
||
|
|
{
|
||
|
|
char host[255];
|
||
|
|
int port = 80;
|
||
|
|
char path[255];
|
||
|
|
char buff[1024];
|
||
|
|
int ssl = 0;
|
||
|
|
|
||
|
|
if (!url_to_host_port_path(url, host, &port, path, &ssl))
|
||
|
|
return;
|
||
|
|
|
||
|
|
/* thanks to kopete dumpcap */
|
||
|
|
snprintf(buff, sizeof(buff),
|
||
|
|
"POST %s HTTP/1.1\r\n"
|
||
|
|
"Cookie: %s\r\n"
|
||
|
|
"User-Agent: Mozilla/5.0\r\n"
|
||
|
|
"Host: %s\r\n"
|
||
|
|
"Content-Length: %ld\r\n"
|
||
|
|
"Cache-Control: no-cache\r\n"
|
||
|
|
"\r\n", path, cookies, host, content_length);
|
||
|
|
|
||
|
|
yahoo_send_http_request(id, host, port, buff, callback, data, ssl);
|
||
|
|
}
|
||
|
|
|
||
|
|
void yahoo_http_get(int id, const char *url, const char *cookies, int http11,
|
||
|
|
int keepalive, yahoo_get_fd_callback callback, void *data)
|
||
|
|
{
|
||
|
|
char host[255];
|
||
|
|
int port = 80;
|
||
|
|
char path[255];
|
||
|
|
char buff[2048];
|
||
|
|
char cookiebuff[1024];
|
||
|
|
int ssl = 0;
|
||
|
|
|
||
|
|
if (!url_to_host_port_path(url, host, &port, path, &ssl))
|
||
|
|
return;
|
||
|
|
|
||
|
|
/* Allow cases when we don't need to send a cookie */
|
||
|
|
if (cookies)
|
||
|
|
snprintf(cookiebuff, sizeof(cookiebuff), "Cookie: %s\r\n",
|
||
|
|
cookies);
|
||
|
|
else
|
||
|
|
cookiebuff[0] = '\0';
|
||
|
|
|
||
|
|
snprintf(buff, sizeof(buff),
|
||
|
|
"GET %s HTTP/1.%s\r\n"
|
||
|
|
"%sHost: %s\r\n"
|
||
|
|
"User-Agent: Mozilla/4.5 [en] (" PACKAGE "/" VERSION ")\r\n"
|
||
|
|
"Accept: */*\r\n"
|
||
|
|
"%s" "\r\n", path, http11?"1":"0", cookiebuff, host,
|
||
|
|
keepalive? "Connection: Keep-Alive\r\n":"Connection: close\r\n");
|
||
|
|
|
||
|
|
yahoo_send_http_request(id, host, port, buff, callback, data, ssl);
|
||
|
|
}
|
||
|
|
|
||
|
|
void yahoo_http_head(int id, const char *url, const char *cookies, int len,
|
||
|
|
char *payload, yahoo_get_fd_callback callback, void *data)
|
||
|
|
{
|
||
|
|
printf("yahoo_http_read\n");
|
||
|
|
char host[255];
|
||
|
|
int port = 80;
|
||
|
|
char path[255];
|
||
|
|
char buff[2048];
|
||
|
|
char cookiebuff[1024];
|
||
|
|
int ssl = 0;
|
||
|
|
|
||
|
|
if (!url_to_host_port_path(url, host, &port, path, &ssl))
|
||
|
|
return;
|
||
|
|
|
||
|
|
/* Allow cases when we don't need to send a cookie */
|
||
|
|
if (cookies)
|
||
|
|
snprintf(cookiebuff, sizeof(cookiebuff), "Cookie: %s\r\n",
|
||
|
|
cookies);
|
||
|
|
else
|
||
|
|
cookiebuff[0] = '\0';
|
||
|
|
|
||
|
|
snprintf(buff, sizeof(buff),
|
||
|
|
"HEAD %s HTTP/1.0\r\n"
|
||
|
|
"Accept: */*\r\n"
|
||
|
|
"Host: %s:%d\r\n"
|
||
|
|
"User-Agent: Mozilla/4.5 [en] (" PACKAGE "/" VERSION ")\r\n"
|
||
|
|
"%s"
|
||
|
|
"Content-Length: %d\r\n"
|
||
|
|
"Cache-Control: no-cache\r\n"
|
||
|
|
"\r\n%s", path, host, port, cookiebuff, len,
|
||
|
|
payload?payload:"");
|
||
|
|
|
||
|
|
yahoo_send_http_request(id, host, port, buff, callback, data, ssl);
|
||
|
|
}
|
||
|
|
|