int http_proxy_response(int accept_socket, HTTP_RECV_INFO *http_recv_info_p)
{
const char *HTTP_RECV_CONTENT_TYPE = "Content-type: text/html";
const char *HTTP_RECV_CONTENT_LENGTH = "Content-Length: ";
const char *HTTP_RECV_LOCATION = "Location: ";
char *p_target_host_name;
char *p_uri_string;
char send_http_header_buf[2048];
char line_buf[MAX_LINE][LINE_BUF_SIZE + 5];
char proxy_pre_string[2048];
char base_url[2048];
char *p_url;
char *p;
char *p_auth = NULL;
int port = 80;
int sock;
off_t content_length = 0;
int len = 0;
int line = 0;
int i;
int content_is_html = 0;
p_uri_string = http_recv_info_p->request_uri;
if (!strncmp(p_uri_string, "/-.-playlist.pls?", 17)) {
char buff[FILENAME_MAX];
if (p_uri_string[17] == '/') {
snprintf(buff, sizeof(buff), "http://%s%s"
, http_recv_info_p->recv_host, p_uri_string+17);
} else {
strncpy(buff, p_uri_string+17, sizeof(buff));
}
replace_character((char*)buff, ".pls", "");
return 0;//http_uri_to_scplaylist_create(accept_socket, (char*)buff);
}
if (strncmp(p_uri_string, "/-.-http://", 11)) {
return -1;
}
if (!global_param.flag_allow_proxy) {
return -1;
}
strncpy(base_url, p_uri_string, 2048);
p = strrchr(base_url, '/');
p[1] = '\0';
p_target_host_name = p_uri_string + 11;
p_url = strchr(p_target_host_name, '/');
if (p_url == NULL) return -1;
*p_url++ = '\0';
strncpy(proxy_pre_string, p_uri_string, 2048);
p = strchr(p_target_host_name, '@');
if (p != NULL) {
// there is a user name.
p_auth = p_target_host_name;
p_target_host_name = p + 1;
*p = '\0';
}
p = strchr(p_target_host_name, ':');
if (p != NULL) {
port = atoi(p+1);
*p = '\0';
}
debug_log_output("proxy:target_host_name: %s", p_target_host_name);
debug_log_output("proxy:authenticate: %s", p_auth ? p_auth : "NULL");
debug_log_output("proxy:url: %s", p_url);
debug_log_output("proxy:prestring: %s", proxy_pre_string);
debug_log_output("proxy:base_url: %s", base_url);
debug_log_output("proxy:port: %d", port);
p = send_http_header_buf;
if( http_recv_info_p->isGet == 1 ){
p += sprintf((char*)p, "GET /%s HTTP/1.0\r\n", p_url);
}else if ( http_recv_info_p->isGet == 2 ){
p += sprintf((char*)p, "HEAD /%s HTTP/1.0\r\n", p_url);
}
p += sprintf((char*)p, "Host: %s:%u\r\n", p_target_host_name, port);
if (global_param.user_agent_proxy_override[0]) {
p += sprintf((char*)p, "User-agent: %s\r\n", global_param.user_agent_proxy_override);
} else {
if (http_recv_info_p->user_agent[0]) {
p += sprintf((char*)p, "User-agent: %s\r\n", http_recv_info_p->user_agent);
} else {
p += sprintf((char*)p, "User-agent: %s\r\n", SERVER_NAME);
}
}
p += sprintf(p, "Accept: */*\r\n");
p += sprintf(p, "Connection: close\r\n");
if (http_recv_info_p->range_start_pos) {
p += sprintf((char*)p, "Range: bytes=");
p += sprintf((char*)p, "%zu-", http_recv_info_p->range_start_pos);
if (http_recv_info_p->range_end_pos) {
p += sprintf((char*)p, "%zu", http_recv_info_p->range_end_pos);
}
p += sprintf(p, "\r\n");
}
if (p_auth != NULL) {
p += sprintf((char*)p, "Authorization: Basic %s\r\n", base64((unsigned char*)p_auth));
}
p += sprintf(p, "\r\n");
sock = sock_connect((char*)p_target_host_name, port);
if (sock < 0) {
debug_log_output("error: %s", strerror(errno));
debug_log_output("sock: %d", sock);
return -1;
}
set_nonblocking_mode(sock, 0); /* blocking mode */
set_nonblocking_mode(accept_socket, 0); /* blocking mode */
write(sock, send_http_header_buf, strlen(send_http_header_buf));
debug_log_output("================= send to proxy\n");
debug_log_output("%s", send_http_header_buf);
debug_log_output("=================\n");
//TODO ここが４０４や４００の可能性あり
for (line = 0; line < MAX_LINE; line ++) {
char work_buf[LINE_BUF_SIZE + 10];
memset(line_buf[line], 0, LINE_BUF_SIZE + 5);
len = line_receive(sock, line_buf[line], LINE_BUF_SIZE + 1);
if (len < 0) break;
debug_log_output("recv html: '%s' len = %d", ((len)?(char*)line_buf[line]:""), len);
line_buf[line][len++] = '\r';
line_buf[line][len++] = '\n';
line_buf[line][len] = '\0';
if (!strncasecmp(line_buf[line], HTTP_RECV_CONTENT_TYPE, strlen(HTTP_RECV_CONTENT_TYPE))) {
int n;
content_is_html = 1;
n = strlen(HTTP_RECV_CONTENT_TYPE);
line_buf[line][n++] = '\r';
line_buf[line][n++] = '\n';
line_buf[line][n] = '\0';
}else if (!strncasecmp(line_buf[line], HTTP_RECV_CONTENT_LENGTH, strlen(HTTP_RECV_CONTENT_LENGTH))) {
content_length = strtoull((char*)(line_buf[line] + strlen(HTTP_RECV_CONTENT_LENGTH)), NULL, 0);
}else if (!strncasecmp(line_buf[line], HTTP_RECV_LOCATION, strlen(HTTP_RECV_LOCATION))) {
strcpy(work_buf, line_buf[line]);
sprintf((char*)line_buf[line], "Location: /-.-%s", work_buf + strlen(HTTP_RECV_LOCATION));
}else if ( strstr( line_buf[line],"charset") ){
if ( strstr( line_buf[line], "EUC-JP" )){
replace_character( (char*)line_buf[line], "EUC-JP", "UTF-8");
}else if ( strstr ( line_buf[line], "Shift_JIS" )) {
replace_character( (char*)line_buf[line], "Shift_JIS", "UTF-8");
}
}
if (len <= 2) {
line++;
break;
}
}
if (len < 0 ) {
debug_log_output("CLOSED-C");
close(sock);
return -1;
}
if (content_is_html) {
char *p, *q;
char *new_p, *r;
char work_buf[LINE_BUF_SIZE + 10];
char work_buf2[LINE_BUF_SIZE * 2];
char *link_pattern = (char*)"<A HREF=";
int flag_conv_html_code = 1;
for (i=0; i<line; i++) {
//長さは不定なので送らない
if (!strncasecmp(line_buf[i], HTTP_RECV_CONTENT_LENGTH, strlen(HTTP_RECV_CONTENT_LENGTH))) continue;
//*q = '\0';
p = work_buf;
q = work_buf2;
if (flag_conv_html_code) {
convert_language_code(line_buf[i], work_buf, LINE_BUF_SIZE, CODE_AUTO, global_param.client_language_code);
}
//strcpy( work_buf, line_buf[i]);
// write(accept_socket, line_buf[i], strlen(line_buf[i]));
// debug_log_output("sent html: '%s' len = %d", line_buf[i], strlen(line_buf[i]));
write(accept_socket, work_buf, strlen(line_buf[i]));
debug_log_output("sent html: '%s' len = %d", work_buf, strlen(work_buf));
}
debug_log_output("sent header");
//write(accept_socket, "debug:--\n", strlen("debug:--\n"));
while (1) {
char rep_str[1024];
memset(work_buf, 0, LINE_BUF_SIZE);
len = line_receive(sock, work_buf, LINE_BUF_SIZE);
if (len < 0) break;
debug_log_output("recv html: '%s' len = %d", work_buf, len);
work_buf[len++] = '\r';
work_buf[len++] = '\n';
work_buf[len] = '\0';
if (my_strcasestr(work_buf, "Content-Type") != NULL) {
// Content-Type があったら
// 漢字コードの変換をやめる
// flag_conv_html_code = 0;
if ( strstr( work_buf, "EUC-JP" )){
replace_character( (char*)work_buf, "EUC-JP", "UTF-8");
}else if ( strstr ( work_buf, "Shift_JIS" )) {
replace_character( (char*)work_buf, "Shift_JIS", "UTF-8");
}
}
p = work_buf;
q = work_buf2;
memset(q, 0, sizeof(work_buf2));
/*
* HTML中に <A HREF="..."> があったら、プロクシを経由するように
* たとえば <A HREF="/-.-http://www.yahoo.co.jp/"> のように変換する
* もし、ファイルがストリーム可能そうであれば、VOD="0" も追加する。
*
* 問題点:
* タグの途中に改行があると失敗するだろう.
* 面倒なのでたいした置換はしていない
* 惰性で書いたので汚い。だれか修正して。
*/
link_pattern = (char*)"<A HREF=";
while ((new_p = my_strcasestr(p, link_pattern)) != NULL) {
int l = new_p - p + strlen(link_pattern);
char *tmp;
MIME_LIST_T *mlt = NULL;
strncpy(q, p, l);
q += l;
p += l; /* i.e., p = new_p + strlen(link_pattern); */
r = strchr(p, '>');
if (r == NULL) continue;
*r = '\0';
if (*p == '"') *q++ = *p++;
if ((tmp = strchr(p, '"')) != NULL || (tmp = strchr(p, ' ')) != NULL) {
mlt = mime_list;
while (mlt->mime_name != NULL) {
if (*(tmp - strlen(mlt->file_extension) - 1) == '.'
&& !strncasecmp(tmp - strlen(mlt->file_extension), mlt->file_extension, strlen(mlt->file_extension))) {
break;
}
mlt++;
}
}
//if (flag_pc && mlt != NULL && mlt->stream_type == TYPE_STREAM) {
// q += sprintf((char*)q, "/-.-playlist.pls?http://%s", http_recv_info_p->recv_host);
//}
if (*p == '/') {
q += sprintf(q, "%s%s", proxy_pre_string, p);
} else if (!strncmp(p, "http://", 7)) {
q += sprintf(q, "/-.-%s", p);
} else {
q += sprintf((char*)q, "%s%s", base_url, p);
//q += sprintf((char*)q, "%s", p);
}
if (mlt != NULL && mlt->stream_type == TYPE_STREAM) {
q += sprintf(q, " vod=\"0\"");
}
*q++ = '>';
p = r + 1;
}
while (*p) *q++ = *p++;
*q = '\0';
/*
* HTML中に SRC="..." があったら、プロクシを経由するように変換する
*
* 問題点:
* タグの途中に改行があると失敗するだろう.
* 変数使いまわしたので、融通が効かない。
* だれか修正して。
*/
p = work_buf2;
q = work_buf;
memset(q, 0, sizeof(work_buf));
link_pattern = (char*)"SRC=";
while ((new_p = my_strcasestr(p, link_pattern)) != NULL) {
int l = new_p - p + strlen(link_pattern);
strncpy(q, p, l);
q += l;
p += l; /* i.e., p = new_p + strlen(link_pattern); */
if (*p == '"') *q++ = *p++;
if (*p == '/') {
q += sprintf(q, "%s", proxy_pre_string);
} else if (!strncmp(p, "http://", 7)) {
q += sprintf(q, "/-.-");
} else {
q += sprintf(q, "%s", base_url);
//q += sprintf(q, "%s", p);
}
}
while (*p) *q++ = *p++;
*q = '\0';
p = work_buf;
q = work_buf2;
if (flag_conv_html_code) {
convert_language_code(p, q, LINE_BUF_SIZE, CODE_AUTO, global_param.client_language_code);
//strcpy( q,p);
p = q;
}
snprintf(rep_str, sizeof(rep_str), "|http://%s/-.-http://"
, http_recv_info_p->recv_host);
replace_character((char*)p, "|http://", rep_str);
write(accept_socket, p, strlen(p));
debug_log_output("sent html: %s", p);
}
} else {
for (i=0; i<line; i++) {
write(accept_socket, line_buf[i], strlen(line_buf[i]));
}
if( http_recv_info_p->isGet == 1 ){
return ( copy_descriptors(sock, accept_socket, (size_t)content_length) );
//NULL ,
//(char*)http_recv_info_p->recv_uri,
// http_recv_info_p->range_start_pos));
}
}
sClose(sock);
return 0;
}
// **************************************************************************
// HTTPヘッダを受信して解析する。
//
// 処理するのはGETのみ。GET以外のメソッドが来たらエラー
// 今のところ、URIとuser_agent、Range、Hostを解析。
// URIは、URIデコードもやる。
//
// return: 0 正常終了
// return: 0以外 エラー
// **************************************************************************
static int http_header_receive(int accept_socket, HTTP_RECV_INFO *http_recv_info_p)
{
int result = 0;
int recv_len;
unsigned char line_buf[1024]; // 大きめに。
unsigned char work_buf[1024];
unsigned char work_buf2[1024];
unsigned char split1[1024];
unsigned char split2[1024];
int ret;
int i;
int j;
// ================================
// １行づつ HTTPヘッダを受信
// ================================
for (i=0;;i++)
{
// 1行受信 実行。
memset(line_buf, '\0', sizeof(line_buf));
recv_len = line_receive(accept_socket, line_buf, sizeof(line_buf));
// debug. 受信したヘッダ表示
debug_log_output("'%s'(%d byte)\n", line_buf, recv_len );
// 受信した内容をチェック。
if ( i != 0 && recv_len == 0 ) // 空行検知。ヘッダ受信終了。
{
break;
}
else if ( recv_len < 0 ) // 受信失敗
{
return ( -1 );
}
// --------------------------
// GETメッセージチェック
// --------------------------
if ( i == 0 ) // １行目のみチェック
{
debug_log_output("URI Check start.'%s'\n", line_buf);
// GET/POSTある？
if (strncmp(line_buf, "GET ", 4) && strncmp(line_buf, "POST ", 5))
{
debug_log_output("'GET' or 'POST' not found. error.");
return ( -1 );
}
strncpy(http_recv_info_p->request_method, line_buf, sizeof(http_recv_info_p->request_method));
cut_after_character(http_recv_info_p->request_method, ' ');
// 最初のスペースまでを削除。
cut_before_character(line_buf, ' ');
// 次にスペースが出てきたところの後ろまでを削除。
cut_after_character(line_buf, ' ');
// ===========================
// GETオプション部解析
// ===========================
// REQUEST_URI用・Proxy用に値を保存
strncpy(http_recv_info_p->request_uri, line_buf, sizeof(http_recv_info_p->request_uri));
// '?'が存在するかチェック。
if ( strchr(line_buf, '?') != NULL )
{
strncpy(work_buf, line_buf, sizeof(work_buf));
// '?'より前をカット
cut_before_character(work_buf, '?' );
debug_log_output("work_buf = '%s'", work_buf );
while ( 1 )
{
memset(split1, '\0', sizeof(split1));
memset(split2, '\0', sizeof(split2));
uri_decode(split1, sizeof(split1), work_buf, sizeof(work_buf) );
strcpy(work_buf, split1);
// 最初に登場する'&'で分割
ret = sentence_split(work_buf, '&', split1, split2 );
if ( ret == 0 ) // 分割成功
{
strncpy(work_buf, split2, sizeof(work_buf));
}
else if (strlen(work_buf) > 0) // まだwork_bufに中身ある？
{
strncpy( split1, work_buf, sizeof(split1));
strncpy( work_buf, "", sizeof(work_buf));
}
else // 処理終了
{
break;
}
// -------------------------------------
// GETした内容 解析開始
// 超安直。いいのかこんな比較で。
// -------------------------------------
// URIデコード
// uri_decode(work_buf2, sizeof(work_buf2), split1, sizeof(split1) );
strcpy(work_buf2, split1);
// "page="あるか調査。
if (strncasecmp( work_buf2, "page=", strlen("page=") ) == 0 )
{
// = より前を削除
cut_before_character(work_buf2, '=');
if ( strlen(work_buf2) > 0 )
{
// 構造体に値を保存。
http_recv_info_p->page = atoi(work_buf2);
}
continue;
}
// "menupage="あるか調査。
if (strncasecmp( work_buf2, "menupage=", strlen("menupage=") ) == 0 )
{
// = より前を削除
cut_before_character(work_buf2, '=');
if ( strlen(work_buf2) > 0 )
{
// 構造体に値を保存。
http_recv_info_p->menupage = atoi(work_buf2);
}
continue;
}
// "title=" DVD title selection
if (strncasecmp( work_buf2, "title=", strlen("title=") ) == 0 )
{
// = より前を削除
cut_before_character(work_buf2, '=');
if ( strlen(work_buf2) > 0 )
{
// 構造体に値を保存。
http_recv_info_p->title = atoi(work_buf2);
}
continue;
}
if (strncasecmp( work_buf2, "width=", strlen("width=") ) == 0 )
{
// = より前を削除
cut_before_character(work_buf2, '=');
if ( strlen(work_buf2) > 0 )
{
// 構造体に値を保存。
global_param.target_jpeg_width = atoi(work_buf2);
}
continue;
}
if (strncasecmp( work_buf2, "height=", strlen("height=") ) == 0 )
{
// = より前を削除
cut_before_character(work_buf2, '=');
if ( strlen(work_buf2) > 0 )
{
// 構造体に値を保存。
global_param.target_jpeg_height = atoi(work_buf2);
}
continue;
}
// "action="あるか調査。
if (strncasecmp( work_buf2, "action=", strlen("action=") ) == 0 )
{
// = より前を削除
cut_before_character(work_buf2, '=');
// 構造体に値を保存。
strncpy(http_recv_info_p->action, work_buf2, sizeof(http_recv_info_p->action));
continue;
}
// "type=" allplay list type
if (strncasecmp( work_buf2, "type=movie", strlen("type=movie") ) == 0 )
{
http_recv_info_p->default_file_type = TYPE_MOVIE;
continue;
}
if (strncasecmp( work_buf2, "type=music", strlen("type=music") ) == 0 )
{
http_recv_info_p->default_file_type = TYPE_MUSIC;
continue;
}
if (strncasecmp( work_buf2, "type=photo", strlen("type=photo") ) == 0 )
{
http_recv_info_p->default_file_type = TYPE_JPEG;
continue;
}
if (strncasecmp( work_buf2, "type=soundtrack", strlen("type=soundtrack") ) == 0 )
{
http_recv_info_p->default_file_type = TYPE_MUSICLIST;
continue;
}
if (strncasecmp( work_buf2, "type=slideshow", strlen("type=slideshow") ) == 0 )
{
http_recv_info_p->default_file_type = TYPE_PLAYLIST;
continue;
}
// "option="あるか調査
if (strncasecmp( work_buf2, "option=", strlen("option=") ) == 0 )
{
// = より前を削除
cut_before_character(work_buf2, '=');
// 構造体に値を保存。
strncpy(http_recv_info_p->option, work_buf2, sizeof(http_recv_info_p->option));
continue;
}
// "alias="あるか調査
if (strncasecmp( work_buf2, "alias=", strlen("alias=") ) == 0 )
{
// = より前を削除
cut_before_character(work_buf2, '=');
// 構造体に値を保存。
strncpy(http_recv_info_p->alias, work_buf2, sizeof(http_recv_info_p->alias));
if (strncasecmp(http_recv_info_p->alias, "movie", strlen("movie")) == 0)
http_recv_info_p->default_file_type = TYPE_MOVIE;
else if (strncasecmp(http_recv_info_p->alias, "music", strlen("music")) == 0)
http_recv_info_p->default_file_type = TYPE_MUSIC;
else if (strncasecmp(http_recv_info_p->alias, "photo", strlen("photo")) == 0)
http_recv_info_p->default_file_type = TYPE_JPEG;
else
http_recv_info_p->default_file_type = TYPE_UNKNOWN;
continue;
}
if (strncasecmp( work_buf2, "lsearch=", strlen("lsearch=") ) == 0 )
{
cut_before_character(work_buf2, '=');
strcpy(http_recv_info_p->lsearch, work_buf2);
strcpy(http_recv_info_p->recv_uri, work_buf2);
continue;
}
// "search=
if (strncasecmp( work_buf2, "search", strlen("search") ) == 0 )
{
if (strncasecmp(work_buf2, "search_movie", strlen("search_movie")) == 0) {
http_recv_info_p->search_type = TYPE_MOVIE;
strcpy(http_recv_info_p->search_str, "_movie");
http_recv_info_p->default_file_type = TYPE_MOVIE;
// printf("search movie for ");
} else if (strncasecmp(work_buf2, "search_music", strlen("search_music")) == 0) {
http_recv_info_p->search_type = TYPE_MUSIC;
strcpy(http_recv_info_p->search_str, "_music");
http_recv_info_p->default_file_type = TYPE_MUSIC;
// printf("search music for ");
} else if (strncasecmp(work_buf2, "search_photo", strlen("search_photo")) == 0) {
http_recv_info_p->search_type = TYPE_JPEG;
strcpy(http_recv_info_p->search_str, "_photo");
http_recv_info_p->default_file_type = TYPE_JPEG;
// printf("search photo for ");
} else if (strncasecmp(work_buf2, "search_all", strlen("search_all")) == 0) {
http_recv_info_p->search_type = TYPE_UNKNOWN;
strcpy(http_recv_info_p->search_str, "_all");
http_recv_info_p->default_file_type = TYPE_UNKNOWN;
// printf("search all for ");
} else
continue;
cut_before_character(work_buf2, '=');
strncpy(http_recv_info_p->search, work_buf2, sizeof(http_recv_info_p->search));
if (http_recv_info_p->search[0] == '\0')
// everything qualifies
strcpy(http_recv_info_p->search, ".*");
// printf("%s\n", http_recv_info_p->search);
continue;
}
// "sort="あるか調査
if (strncasecmp( work_buf2, "sort=", strlen("sort=") ) == 0 )
{
// = より前を削除
cut_before_character(work_buf2, '=');
// 構造体に値を保存。
strncpy(http_recv_info_p->sort, work_buf2, sizeof(http_recv_info_p->sort));
continue;
}
// "dvdopt="あるか調査
if (strncasecmp( work_buf2, "dvdopt=", strlen("dvdopt=") ) == 0 )
{
// = より前を削除
cut_before_character(work_buf2, '=');
// 構造体に値を保存。
strncpy(http_recv_info_p->dvdopt, work_buf2, sizeof(http_recv_info_p->dvdopt));
continue;
}
// "focus="あるか調査
if (strncasecmp( work_buf2, "focus=", strlen("focus=") ) == 0 )
{
// = より前を削除
cut_before_character(work_buf2, '=');
// 構造体に値を保存。
strncpy(http_recv_info_p->focus, work_buf2, sizeof(http_recv_info_p->focus));
continue;
}
}
}
debug_log_output("http_recv_info_p->page = '%d'", http_recv_info_p->page);
debug_log_output("http_recv_info_p->title = '%d'", http_recv_info_p->title);
debug_log_output("http_recv_info_p->action = '%s'", http_recv_info_p->action);
debug_log_output("http_recv_info_p->option = '%s'", http_recv_info_p->option);
debug_log_output("http_recv_info_p->dvdopt = '%s'", http_recv_info_p->dvdopt);
// URIデコード
cut_after_character(line_buf, '?');
uri_decode(work_buf, sizeof(work_buf), line_buf, sizeof(line_buf) );
strncpy(line_buf, work_buf, sizeof(line_buf));
debug_log_output("URI(decoded):'%s'\n", line_buf);
convert_language_code(line_buf, work_buf, sizeof(work_buf), CODE_AUTO, CODE_EUC);
debug_log_output("URI(decoded,euc,FYI):'%s'\n", work_buf);
// 構造体に保存
if (http_recv_info_p->lsearch[0] == '\0')
strncpy(http_recv_info_p->recv_uri, line_buf, sizeof(http_recv_info_p->recv_uri));
continue;
}
// User-agent切り出し
if ( strncasecmp(line_buf, HTTP_USER_AGENT, strlen(HTTP_USER_AGENT) ) == 0 )
{
// ':'より前を切る
cut_before_character(line_buf, ':');
cut_first_character(line_buf, ' ');
// 構造体に保存
strncpy( http_recv_info_p->user_agent, line_buf, sizeof(http_recv_info_p->user_agent));
// Set the skin name based on user agent, if desired
for(j=0; j<global_param.alternate_skin_count; j++) {
debug_log_output("Checking for '%s'", global_param.alternate_skin_match[j]);
if(strstr(line_buf, global_param.alternate_skin_match[j]) != NULL) {
strcpy(global_param.skin_name, global_param.alternate_skin_name[j]);
debug_log_output("User agent matches alternate skin '%s'", global_param.skin_name);
break;
}
}
continue;
}
// Rangeあるかチェック
if ( strncasecmp(line_buf, HTTP_RANGE, strlen(HTTP_RANGE) ) == 0 )
{
debug_log_output("%s Detect.\n", HTTP_RANGE);
// ':' より前を切る。
cut_before_character(line_buf, ':');
cut_first_character(line_buf, ' ');
// recv_range にRangeの中身保存
strncpy(http_recv_info_p->recv_range, line_buf, sizeof(http_recv_info_p->recv_range));
// '=' より前を切る
cut_before_character(line_buf, '=');
// '-'で前後に分割。
sentence_split(line_buf, '-', work_buf, work_buf2);
debug_log_output("work_buf='%s'\n", work_buf);
debug_log_output("work_buf2='%s'\n", work_buf2);
// 値を文字列→数値変換
http_recv_info_p->range_start_pos = strtoull(work_buf, NULL, 10);
if ( strlen(work_buf2) > 0 )
{
http_recv_info_p->range_end_pos = strtoull(work_buf2, NULL, 10);
}
debug_log_output("range_start_pos=%d\n", http_recv_info_p->range_start_pos);
debug_log_output("range_end_pos=%d\n", http_recv_info_p->range_end_pos);
continue;
}
// Hostあるかチェック
if ( strncasecmp(line_buf, HTTP_HOST, strlen(HTTP_HOST) ) == 0 )
{
debug_log_output("%s Detect.\n", HTTP_HOST);
// ':' より前を切る。
cut_before_character(line_buf, ':');
cut_first_character(line_buf, ' ');
strncpy(http_recv_info_p->recv_host, line_buf, sizeof(http_recv_info_p->recv_host));
if(NULL == strchr(http_recv_info_p->recv_host, ':')) {
debug_log_output("CLIENT BUG: Host header field was missing port number - fixing");
snprintf(http_recv_info_p->recv_host + strlen(http_recv_info_p->recv_host), sizeof(http_recv_info_p->recv_host)-1, ":%d", global_param.server_port);
debug_log_output("%s '%s'", HTTP_HOST, http_recv_info_p->recv_host);
}
continue;
}
if (strncasecmp(line_buf, HTTP_AUTHORIZATION, strlen(HTTP_AUTHORIZATION)) == 0) {
debug_log_output("%s Detect.\n", HTTP_AUTHORIZATION);
// ':' より前を切る。
cut_before_character(line_buf, ':');
cut_first_character(line_buf, ' ');
if (strncmp(line_buf, "Basic ", 6)) {
debug_log_output("received '%s', is not supported.", line_buf);
continue;
}
strncpy(http_recv_info_p->passwd, line_buf + 6, sizeof(http_recv_info_p->passwd));
continue;
}
// Content-Lengthあるかチェック
if ( strncasecmp(line_buf, HTTP_CONTENT_LENGTH_STR, strlen(HTTP_CONTENT_LENGTH_STR) ) == 0 )
{
debug_log_output("%s Detect.\n", HTTP_CONTENT_LENGTH_STR);
// ':' より前を切る。
cut_before_character(line_buf, ':');
cut_first_character(line_buf, ' ');
/* recv_content_length は わざと long です. */
http_recv_info_p->recv_content_length = strtol(line_buf, NULL, 10);
debug_log_output("Content-Length: %ld", http_recv_info_p->recv_content_length);
continue;
}
}
return result;
}
// **************************************************************************
// HTTPヘッダを受信して解析する。
//
// 処理するのはGETのみ。GET以外のメソッドが来たらエラー
// 今のところ、URIとuser_agent、Range、Hostを解析。
// URIは、URIデコードもやる。
//
// return: 0 正常終了
// return: 0以外 エラー
// **************************************************************************
static int http_header_receive(int accept_socket, HTTP_RECV_INFO *http_recv_info_p)
{
int result = 0;
int recv_len;
char line_buf[1024]; // 大きめに。
char work_buf[1024];
char work_buf2[1024];
char split1[1024];
char split2[1024];
int ret;
int i;
// ================================
// １行づつ HTTPヘッダを受信
// ================================
for (i=0;;i++){
// 1行受信 実行。
recv_len = line_receive(accept_socket, line_buf, sizeof(line_buf));
// 受信した内容をチェック。
if ( recv_len == 0 ){ // 空行検知。ヘッダ受信終了。
break;
}else if ( recv_len < 0 ){ // 受信失敗
return ( -1 );
}
// debug. 受信したヘッダ表示
debug_log_output("'%s'(%d byte)\n", line_buf, recv_len );
// --------------------------
// GETメッセージチェック
// --------------------------
if ( i == 0 ){ // １行目のみチェック
debug_log_output("%d:URI Check start.'%s'\n", accept_socket,line_buf);
// GETある？
if ( strstr(line_buf, "GET") != NULL ){
http_recv_info_p->isGet = 1;
}else if ( strstr(line_buf, "HEAD") != NULL ){
http_recv_info_p->isGet = 2;
}else if ( strstr(line_buf, "POST") != NULL ){
http_recv_info_p->isGet = 3;
}else{
debug_log_output("'GET' not found. error.%d",accept_socket);
return ( -1 );
}
// 最初のスペースまでを削除。
cut_before_character(line_buf, ' ');
// 次にスペースが出てきたところの後ろまでを削除。
cut_after_character(line_buf, ' ');
// ===========================
// GETオプション部解析
// ===========================
// REQUEST_URI用・Proxy用に値を保存
strncpy(http_recv_info_p->request_uri, line_buf, sizeof(http_recv_info_p->request_uri));
// '?'が存在するかチェック。
if ( strchr(line_buf, '?') != NULL ){
strncpy(work_buf, line_buf, sizeof(work_buf));
// '?'より前をカット
cut_before_character(work_buf, '?' );
while ( 1 ){
memset(split1, 0, sizeof(split1));
memset(split2, 0, sizeof(split2));
// 最初に登場する'&'で分割
ret = sentence_split(work_buf, '&', split1, split2 );
if ( ret == 0 ){ // 分割成功
strncpy(work_buf, split2, sizeof(work_buf));
}else if (strlen(work_buf) > 0){ // まだwork_bufに中身ある？
strncpy( split1, work_buf, sizeof(split1));
strncpy( work_buf, "", sizeof(work_buf));
}else{ // 処理終了
break;
}
// -------------------------------------
// GETした内容 解析開始
// 超安直。いいのかこんな比較で。
// -------------------------------------
// URIデコード
uri_decode(work_buf2, sizeof(work_buf2), split1, sizeof(split1) );
// "action="あるか調査。
if (strncasecmp( work_buf2, "action=", strlen("action=") ) == 0 ){
// = より前を削除
cut_before_character(work_buf2, '=');
// 構造体に値を保存。
strncpy(http_recv_info_p->action, work_buf2, sizeof(http_recv_info_p->action));
continue;
}
}
}
debug_log_output("http_recv_info_p->action = '%s'", http_recv_info_p->action);
// URIデコード
cut_after_character(line_buf, '?');
uri_decode(work_buf, sizeof(work_buf), line_buf, sizeof(line_buf) );
strncpy(line_buf, work_buf, sizeof(line_buf));
debug_log_output("URI(decoded):'%s'\n", line_buf);
convert_language_code(line_buf, work_buf, sizeof(work_buf), CODE_AUTO, CODE_EUC);
debug_log_output("URI(decoded,euc,FYI):'%s'\n", work_buf);
// 構造体に保存
strncpy(http_recv_info_p->recv_uri, line_buf, sizeof(http_recv_info_p->recv_uri));
//httpから始まってる場合には、http://以降の最初の'/'の前でカット
if( strncmp(http_recv_info_p->recv_uri,"http://",7)==0){
char* ptr = strstr(http_recv_info_p->recv_uri+7,"/");
if( ptr ){
strcpy(http_recv_info_p->recv_uri,ptr);
}
}
continue;
}
// User-agent切り出し
if ( strncasecmp(line_buf, HTTP_USER_AGENT, strlen(HTTP_USER_AGENT) ) == 0 ){
debug_log_output("User-agent: Detect.\n");
// ':'より前を切る
cut_before_character(line_buf, ':');
cut_first_character(line_buf, ' ');
// 構造体に保存
strncpy( http_recv_info_p->user_agent, line_buf, sizeof(http_recv_info_p->user_agent));
continue;
}
// Rangeあるかチェック
if ( strncasecmp(line_buf, HTTP_RANGE, strlen(HTTP_RANGE) ) == 0 ){
debug_log_output("%s Detect.\n", HTTP_RANGE);
// ':' より前を切る。
cut_before_character(line_buf, ':');
cut_first_character(line_buf, ' ');
// recv_range にRangeの中身保存
strncpy(http_recv_info_p->recv_range, line_buf, sizeof(http_recv_info_p->recv_range));
// '=' より前を切る
cut_before_character(line_buf, '=');
// '-'で前後に分割。
sentence_split(line_buf, '-', work_buf, work_buf2);
debug_log_output("wrok_buf='%s'\n", work_buf);
debug_log_output("wrok_buf2='%s'\n", work_buf2);
// 値を文字列→数値変換
http_recv_info_p->range_start_pos = strtoull(work_buf, NULL, 10);
if ( strlen(work_buf2) > 0 ){
http_recv_info_p->range_end_pos = strtoull(work_buf2, NULL, 10);
}
debug_log_output("range_start_pos=%d\n", http_recv_info_p->range_start_pos);
debug_log_output("range_end_pos=%d\n", http_recv_info_p->range_end_pos);
continue;
}
// Hostあるかチェック
if ( strncasecmp(line_buf, HTTP_HOST, strlen(HTTP_HOST) ) == 0 ){
// ':' より前を切る。
cut_before_character(line_buf, ':');
cut_first_character(line_buf, ' ');
strncpy(http_recv_info_p->recv_host, line_buf, sizeof(http_recv_info_p->recv_host));
debug_log_output("%s Detect. %s '%s'", HTTP_HOST, HTTP_HOST, http_recv_info_p->recv_host);
continue;
}
// Content-Lengthあるかチェック
if ( strncasecmp(line_buf, HTTP_CONTENT_LENGTH1, strlen(HTTP_CONTENT_LENGTH1) ) == 0 ){
// ':' より前を切る。
cut_before_character(line_buf, ':');
cut_first_character(line_buf, ' ');
strncpy(http_recv_info_p->content_length, line_buf, sizeof(http_recv_info_p->content_length));
debug_log_output("%s Detect. %s '%s'", HTTP_CONTENT_LENGTH1, HTTP_CONTENT_LENGTH1, http_recv_info_p->content_length);
continue;
}
// Content-TYPEあるかチェック
if ( strncasecmp(line_buf, HTTP_CONTENT_TYPE1, strlen(HTTP_CONTENT_TYPE1) ) == 0 ){
// ':' より前を切る。
cut_before_character(line_buf, ':');
cut_first_character(line_buf, ' ');
strncpy(http_recv_info_p->content_type, line_buf, sizeof(http_recv_info_p->content_type));
debug_log_output("%s Detect. %s '%s'", HTTP_CONTENT_TYPE1, HTTP_CONTENT_TYPE1, http_recv_info_p->content_type);
continue;
}
}
return result;
}
