1 files changed, 404 insertions, 0 deletions
diff --git a/protocols/yahoo/yahoo_httplib.c b/protocols/yahoo/yahoo_httplib.c
new file mode 100644
index 00000000..6bb8923d
--- /dev/null
+++ b/protocols/yahoo/yahoo_httplib.c
@@ -0,0 +1,404 @@
+/*
+ * 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
+ *
+ */
+
+#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>
+#ifndef _WIN32
+#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
+
+#ifdef USE_STRUCT_CALLBACKS
+extern struct yahoo_callbacks *yc;
+#define YAHOO_CALLBACK(x)	yc->x
+#else
+#define YAHOO_CALLBACK(x)	x
+#endif
+
+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)
+{
+	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);
+}
+