diff options
Diffstat (limited to 'src/plugins/httpd.c')
| -rw-r--r-- | src/plugins/httpd.c | 751 |
1 files changed, 751 insertions, 0 deletions
diff --git a/src/plugins/httpd.c b/src/plugins/httpd.c new file mode 100644 index 000000000..de994766f --- /dev/null +++ b/src/plugins/httpd.c @@ -0,0 +1,751 @@ +
+#ifdef __WIN32
+#include <windows.h>
+#else
+#include <unistd.h>
+#endif
+#include <ctype.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "../common/db.h"
+//mmo required for definition of stricmp
+#include "../common/mmo.h"
+#include "../common/utils.h"
+#include "../common/malloc.h"
+#include "../common/socket.h"
+#include "../common/plugin.h"
+//#include "httpd.h"
+
+/** Created by End_of_Exam, ported to plugin and modified by Celest **/
+
+PLUGIN_INFO = {
+ "HttpDaemon",
+ PLUGIN_CORE,
+ "0.1",
+ PLUGIN_VERSION,
+ "HTTP Daemon"
+};
+
+PLUGIN_EVENTS_TABLE = {
+ { "do_init", "Plugin_Init" },
+ { "do_final", "Plugin_Final" },
+ { NULL, NULL }
+};
+
+enum HTTPD_STATUS {
+ HTTPD_REQUEST_WAIT = 0, // リクエスト待ち
+ HTTPD_REQUEST_WAIT_POST, // リクエスト待ち(post)
+ HTTPD_REQUEST_OK, // リクエスト解釈完了
+ HTTPD_SEND_HEADER, // ヘッダ送信完了
+ HTTPD_WAITING_SEND // データが送信し終わるまで待っている状態
+};
+enum {
+ HTTPD_METHOD_UNKNOWN = 0,
+ HTTPD_METHOD_GET,
+ HTTPD_METHOD_POST
+};
+
+struct httpd_session_data {
+ int fd;
+ int status;
+ int http_ver;
+ int header_len;
+ int data_len;
+ int method;
+ int persist;
+ int request_count;
+ unsigned int tick;
+ const unsigned char* url;
+ const unsigned char* query;
+};
+
+// undefine socket operations included from socket.h,
+// since we are going to use 'sessiond' instead
+#undef RFIFOP
+#undef RFIFOREST
+#undef WFIFOP
+
+#define RFIFOP(fd,pos) (sessiond[fd]->rdata+sessiond[fd]->rdata_pos+(pos))
+#define RFIFOREST(fd) (sessiond[fd]->rdata_size-sessiond[fd]->rdata_pos)
+#define WFIFOP(fd,pos) (sessiond[fd]->wdata+sessiond[fd]->wdata_size+(pos))
+
+struct socket_data **sessiond;
+char *server_type;
+unsigned int (*gettick)();
+int (*add_timer_interval)(unsigned int,int (*)(int,unsigned int,int,int),int,int,int);
+int *max_fd;
+int (*delete_sessiond)(int);
+int (*_WFIFOSET)(int,int);
+int (*_RFIFOSKIP)(int,int);
+
+static int max_persist_requests = 32; // 持続通信での最大リクエスト数
+static int request_timeout[] = { 2500, 60*1000 }; // タイムアウト(最初、持続)
+static char document_root[256] = "./httpd/"; // ドキュメントルート
+
+// httpd に入っているページと、呼び出すコールバック関数の一覧
+struct dbt *httpd_files;
+
+void httpd_send(struct httpd_session_data*, int, const char *, int, const void *);
+
+int httpd_check (struct socket_data *sd)
+{
+ // httpd に回すどうかの判定がまだ行われてない
+ // 先頭２バイトが GE ならhttpd に回してみる
+ if (sd->rdata_size >= 2 &&
+ sd->rdata[0] == 'G' && sd->rdata[1] == 'E')
+ return 1;
+
+ return 0;
+}
+
+int httpd_strcasencmp(const char *s1, const char *s2,int len)
+{
+ while(len-- && (*s1 || *s2) ) {
+ if((*s1 | 0x20) != (*s2 | 0x20)) {
+ return ((*s1 | 0x20) > (*s2 | 0x20) ? 1 : -1);
+ }
+ s1++; s2++;
+ }
+ return 0;
+}
+
+// httpd にページを追加する
+// for などでページ名を合成できるように、key はstrdup()したものを使う
+
+void httpd_pages (const char* url, void (*httpd_func)(struct httpd_session_data*, const char*))
+{
+ if (strdb_get(httpd_files,(unsigned char*)(url+1)) == NULL) {
+ strdb_put(httpd_files, (unsigned char*)aStrdup(url+1), httpd_func);
+ } else {
+ strdb_put(httpd_files, (unsigned char*)(url+1), httpd_func);
+ }
+}
+
+static void (*httpd_default)(struct httpd_session_data* sd,const char* url);
+
+const char *httpd_get_error( struct httpd_session_data* sd, int* status )
+{
+ const char* msg;
+ // httpd のステータスを決める
+ switch(*status) {
+ case 200: msg = "OK"; break;
+ case 400: msg = "Bad Request"; break;
+ case 401: msg = "Unauthorized"; break; // 未使用
+ case 403: msg = "Forbidden"; break; // 未使用
+ case 404: msg = "Not Found"; break;
+ case 408: msg = "Request Timedout"; break;
+ case 411: msg = "Length Required"; break;
+ case 413: msg = "Request Entity Too Large"; break;
+ default:
+ *status = 500; msg = "Internal Server Error"; break;
+ }
+ return msg;
+}
+
+void httpd_send_error(struct httpd_session_data* sd,int status)
+{
+ const char* msg = httpd_get_error( sd, &status );
+ httpd_send(sd, status, "text/plain",strlen(msg),msg);
+}
+
+void httpd_send_head (struct httpd_session_data* sd, int status, const char *content_type, int content_len)
+{
+ char head[256];
+ int len;
+ const char* msg;
+
+ if (sd->status != HTTPD_REQUEST_OK)
+ return;
+ msg = httpd_get_error( sd, &status );
+
+ if(content_len == -1 || ++sd->request_count >= max_persist_requests ) {
+ // 長さが分からない or リクエスト限界を超えたので切断する
+ len = sprintf(
+ head,
+ "HTTP/1.%d %d %s\r\nContent-Type: %s\r\nConnection: close\r\n\r\n",
+ sd->http_ver,status,msg,content_type
+ );
+ sd->persist = 0;
+ len = sprintf(
+ head,
+ "HTTP/1.%d %d %s\r\nContent-Type: %s\r\n\r\n",
+ sd->http_ver,status,msg,content_type
+ );
+ sd->http_ver = 0; // 長さが分からないので、HTTP/1.0 扱い(自動切断)にする
+ } else {
+ len = sprintf(
+ head,
+ "HTTP/1.%d %d %s\r\nContent-Type: %s\r\nContent-Length: %d\r\n\r\n",
+ sd->http_ver,status,msg,content_type,content_len
+ );
+ }
+ memcpy(WFIFOP(sd->fd,0),head,len);
+ _WFIFOSET(sd->fd,len);
+ sd->status = HTTPD_SEND_HEADER;
+ sd->data_len = content_len;
+}
+
+void httpd_send_data (struct httpd_session_data* sd, int content_len, const void *data)
+{
+ const char* msg = (const char*)data;
+ if (sd->status == HTTPD_REQUEST_OK) {
+ // ヘッダの送信忘れているので、適当に補う
+ httpd_send_head(sd,200,"application/octet-stream",-1);
+ } else if(sd->status != HTTPD_SEND_HEADER && sd->status != HTTPD_WAITING_SEND) {
+ return;
+ }
+ sd->data_len -= content_len;
+
+ // 巨大なサイズのファイルも送信出来るように分割して送る
+ while (content_len > 0) {
+ int send_byte = content_len;
+ if(send_byte > 12*1024) send_byte = 12*1024;
+ memcpy(WFIFOP(sd->fd,0),msg,send_byte);
+ _WFIFOSET(sd->fd,send_byte);
+ msg += send_byte; content_len -= send_byte;
+ }
+ sd->status = HTTPD_WAITING_SEND;
+}
+
+void httpd_send (struct httpd_session_data* sd, int status, const char *content_type, int content_len, const void *data)
+{
+ httpd_send_head(sd,status,content_type,content_len);
+ httpd_send_data(sd,content_len,data);
+}
+
+void httpd_parse_header(struct httpd_session_data* sd);
+void httpd_parse_request_ok(struct httpd_session_data *sd);
+
+int httpd_parse (int fd)
+{
+ struct httpd_session_data *sd = (struct httpd_session_data *)sessiond[fd]->session_data2;
+ if (sessiond[fd]->eof) {
+ delete_sessiond(fd);
+ return 0;
+ }
+ if (sd == NULL) {
+ sd = (struct httpd_session_data*) aMalloc (sizeof(struct httpd_session_data));
+ sd->fd = fd;
+ sessiond[fd]->session_data2 = sd;
+ sd->tick = gettick();
+ sd->persist = 0;
+ sd->request_count = 0;
+ }
+ printf ("status %d\n", sd->status);
+ switch(sd->status) {
+ case HTTPD_REQUEST_WAIT:
+ // リクエスト待ち
+ if(RFIFOREST(fd) > 1024) {
+ // リクエストが長すぎるので、エラー扱いする
+ sd->status = HTTPD_REQUEST_OK;
+ httpd_send_error(sd,400); // Bad Request
+ } else if( (int)( gettick() - sd->tick ) > request_timeout[sd->persist] ) {
+ // リクエストに時間がかかりすぎているので、エラー扱いする
+ sd->status = HTTPD_REQUEST_OK;
+ httpd_send_error(sd,408); // Request Timeout
+ } else if(sd->header_len == RFIFOREST(fd)) {
+ // 状態が以前と同じなので、リクエストを再解析する必要は無い
+ } else {
+ int limit = RFIFOREST(fd);
+ unsigned char *req = RFIFOP(fd,0);
+ sd->header_len = RFIFOREST(fd);
+ do {
+ if(*req == '\n' && limit > 0) {
+ limit--; req++;
+ if(*req == '\r' && limit > 0) { limit--; req++; }
+ if(*req == '\n') {
+ // HTTPヘッダの終点を見つけた
+ *req = 0;
+ sd->header_len = (req - RFIFOP(fd,0)) + 1;
+ httpd_parse_header(sd);
+ break;
+ }
+ }
+ } while(req++,--limit > 0);
+ }
+ break;
+ case HTTPD_REQUEST_WAIT_POST:
+ if(RFIFOREST(sd->fd) >= sd->header_len) {
+ unsigned char temp = RFIFOB(sd->fd,sd->header_len);
+ RFIFOB(sd->fd,sd->header_len) = 0;
+ httpd_parse_request_ok(sd);
+ RFIFOB(sd->fd,sd->header_len) = temp;
+ }
+ break;
+ case HTTPD_REQUEST_OK:
+ case HTTPD_SEND_HEADER:
+ // リクエストが終わったまま何も送信されていない状態なので、
+ // 強制切断
+ printf ("httpd: eof\n");
+ sessiond[fd]->eof = 1;
+ break;
+ case HTTPD_WAITING_SEND:
+ // データの送信が終わるまで待機
+ //if(sessiond[fd]->wdata_size == sessiond[fd]->wdata_pos) {
+ // i *hope* this is correct o.o;
+ if(sessiond[fd]->wdata_size == 0) {
+ // HTTP/1.0は手動切断
+// if(sd->http_ver == 0) {
+ if(sd->persist == 0) {
+ printf ("httpd: eof\n");
+ sessiond[fd]->eof = 1;
+ }
+ // RFIFO からリクエストデータの消去と構造体の初期化
+ _RFIFOSKIP(fd,sd->header_len);
+ sd->status = HTTPD_REQUEST_WAIT;
+ sd->tick = gettick();
+ sd->header_len = 0;
+ sd->query = NULL;
+// sd->http_ver = 0; // ver は保持
+ sd->method = HTTPD_METHOD_UNKNOWN;
+ printf("httpd_parse: [% 3d] request sended RFIFOREST:%d\n", fd, RFIFOREST(fd));
+ }
+ break;
+ }
+ return 0;
+}
+
+void httpd_parse_header_sub( struct httpd_session_data* sd, const char *p1, int* plen )
+{
+ int len = 0;
+ // HTTPのバージョンを調査
+ if(!strncmp(p1 ,"HTTP/1.1",8)) {
+ sd->http_ver = 1;
+ sd->persist = 1;
+ } else {
+ sd->http_ver = 0;
+ sd->persist = 0;
+ }
+
+ p1 = strchr(p1,'\n');
+ while(p1) {
+ // Content-Length: の調査
+ if(!httpd_strcasencmp(p1+1,"Content-Length: ",16)) {
+ len = atoi(p1 + 17);
+ }
+ // Connection: の調査
+ if(!httpd_strcasencmp(p1+1,"Connection: ",12)) {
+ if( httpd_strcasencmp(p1+13,"close",5)==0 && sd->http_ver==1 )
+ sd->persist = 0;
+ if( httpd_strcasencmp(p1+13,"Keep-Alive",10)==0 && sd->http_ver==0 )
+ sd->persist = 1;
+ }
+ p1 = strchr(p1+1,'\n');
+ }
+ if(plen) *plen = len;
+ return;
+}
+
+void httpd_parse_header(struct httpd_session_data* sd)
+{
+ int i;
+ int status = 400; // Bad Request
+ unsigned char* req = RFIFOP(sd->fd,0);
+ do {
+ if(!strncmp(req,"GET /",5)) {
+ // GET リクエスト
+ req += 5;
+ for(i = 0;req[i]; i++) {
+ if(req[i] == ' ' || req[i] == '?') break;
+ if(!isalnum(req[i]) && req[i] != '.' && req[i] != '_' && req[i] != '-') break;
+ }
+ if(req[i] == ' ') {
+ req[i] = 0;
+ sd->url = req;
+ sd->query = NULL;
+ sd->status = HTTPD_REQUEST_OK;
+ } else if(req[i] == '?') {
+ req[i] = 0;
+ sd->query = &req[++i];
+ for(;req[i];i++) {
+ if(
+ isalnum(req[i]) || req[i] == '+' || req[i] == '%' || req[i] == '&' ||
+ req[i] == '='
+ ) {
+ continue;
+ } else {
+ break;
+ }
+ }
+ if(req[i] != ' ') {
+ break;
+ }
+ req[i] = 0;
+ sd->url = req;
+ } else {
+ break;
+ }
+ // ヘッダ解析
+ httpd_parse_header_sub( sd, &req[i+1], NULL );
+
+ printf("httpd: request %s %s\n", sd->url, sd->query);
+ sd->method = HTTPD_METHOD_GET;
+ httpd_parse_request_ok(sd);
+ } else if(!strncmp(req,"POST /",6)) {
+ int len;
+ req += 6; status = 404;
+ for(i = 0;req[i]; i++) {
+ if(req[i] == ' ') break;
+ if(!isalnum(req[i]) && req[i] != '.' && req[i] != '_' && req[i] != '-') break;
+ }
+ if(req[i] != ' ') {
+ break;
+ }
+ req[i] = 0;
+ sd->url = req;
+
+ // ヘッダ解析
+ httpd_parse_header_sub( sd, &req[i+1], &len );
+
+ if(len <= 0 || len >= 32*1024) {
+ // とりあえず32KB以上のリクエストは不正扱い
+ status = ( len==0 )? 411 : ( len>32*1024 )? 413 : 400;
+ break;
+ }
+
+ sd->query = RFIFOP(sd->fd,sd->header_len);
+ sd->method = HTTPD_METHOD_POST;
+ sd->header_len += len;
+ if(RFIFOREST(sd->fd) >= sd->header_len) {
+ unsigned char temp = RFIFOB(sd->fd,sd->header_len);
+ RFIFOB(sd->fd,sd->header_len) = 0;
+ httpd_parse_request_ok(sd);
+ RFIFOB(sd->fd,sd->header_len) = temp;
+ } else {
+ // POSTのデータが送られてくるのを待つ
+ sd->status = HTTPD_REQUEST_WAIT_POST;
+ }
+ } else {
+ break;
+ }
+ } while(0);
+ if(sd->status == HTTPD_REQUEST_WAIT) {
+ sd->status = HTTPD_REQUEST_OK;
+ httpd_send_error(sd,status);
+ }
+}
+
+void httpd_parse_request_ok (struct httpd_session_data *sd)
+{
+ void (*httpd_parse_func)(struct httpd_session_data*,const char*);
+ sd->status = HTTPD_REQUEST_OK;
+
+ // ファイル名が求まったので、ページが無いか検索する
+ // printf("httpd_parse: [% 3d] request /%s\n", fd, req);
+ httpd_parse_func = strdb_get(httpd_files,(unsigned char*)sd->url);
+ if(httpd_parse_func == NULL) {
+ httpd_parse_func = httpd_default;
+ }
+ if(httpd_parse_func == NULL) {
+ httpd_send_error(sd,404); // Not Found
+ } else {
+ httpd_parse_func(sd,sd->url);
+ if(sd->status == HTTPD_REQUEST_OK) {
+ httpd_send_error(sd,404); // Not Found
+ }
+ }
+ if(sd->persist == 1 && sd->data_len) {
+ // 長さが変なデータ(こんなの送るなよ…)
+ printf("httpd_parse: send size mismatch when parsing /%s\n", sd->url);
+ sessiond[sd->fd]->eof = 1;
+ }
+ if(sd->status == HTTPD_REQUEST_OK) {
+ httpd_send_error(sd,404);
+ }
+}
+
+char* httpd_get_value(struct httpd_session_data* sd,const char* val)
+{
+ int src_len = strlen(val);
+ const unsigned char* src_p = sd->query;
+ if(src_p == NULL) return aStrdup("");
+
+ do {
+ if(!memcmp(src_p,val,src_len) && src_p[src_len] == '=') {
+ break;
+ }
+ src_p = strchr(src_p + 1,'&');
+ if(src_p) src_p++;
+ } while(src_p);
+
+ if(src_p != NULL) {
+ // 目的の文字列を見つけた
+ const unsigned char* p2;
+ int dest_len;
+ char* dest_p;
+ src_p += src_len + 1;
+ p2 = strchr(src_p,'&');
+ if(p2 == NULL) {
+ src_len = strlen(src_p);
+ } else {
+ src_len = (p2 - src_p);
+ }
+ dest_p = aMalloc(src_len + 1);
+ dest_len = 0;
+ while(src_len > 0) {
+ if(*src_p == '%' && src_len > 2) {
+ int c1 = 0,c2 = 0;
+ if(src_p[1] >= '0' && src_p[1] <= '9') c1 = src_p[1] - '0';
+ if(src_p[1] >= 'A' && src_p[1] <= 'F') c1 = src_p[1] - 'A' + 10;
+ if(src_p[1] >= 'a' && src_p[1] <= 'f') c1 = src_p[1] - 'a' + 10;
+ if(src_p[2] >= '0' && src_p[2] <= '9') c2 = src_p[2] - '0';
+ if(src_p[2] >= 'A' && src_p[2] <= 'F') c2 = src_p[2] - 'A' + 10;
+ if(src_p[2] >= 'a' && src_p[2] <= 'f') c2 = src_p[2] - 'a' + 10;
+ dest_p[dest_len++] = (c1 << 4) | c2;
+ src_p += 3; src_len -= 3;
+ } else if(*src_p == '+') {
+ dest_p[dest_len++] = ' ';
+ src_p++; src_len--;
+ } else {
+ dest_p[dest_len++] = *(src_p++); src_len--;
+ }
+ }
+ dest_p[dest_len] = 0;
+ return dest_p;
+ }
+ return aStrdup("");
+}
+
+// MIMEタイプ判定。主要なものだけ判定して、残りはapplication/octet-stream
+static const char* httpd_mimetype(const char* url)
+{
+ char *ext = strrchr(url,'.');
+ if(ext) {
+ if(!strcmp(ext,".html")) return "text/html";
+ if(!strcmp(ext,".htm")) return "text/html";
+ if(!strcmp(ext,".css")) return "text/css";
+ if(!strcmp(ext,".js")) return "text/javascript";
+ if(!strcmp(ext,".txt")) return "text/plain";
+ if(!strcmp(ext,".gif")) return "image/gif";
+ if(!strcmp(ext,".jpg")) return "image/jpeg";
+ if(!strcmp(ext,".jpeg")) return "image/jpeg";
+ if(!strcmp(ext,".png")) return "image/png";
+ if(!strcmp(ext,".xbm")) return "image/xbm";
+ if(!strcmp(ext,".zip")) return "application/zip";
+ }
+ return "application/octet-stream";
+}
+
+void httpd_send_file(struct httpd_session_data* sd, const char* url)
+{
+ FILE *fp;
+ int file_size;
+ char file_buf[8192];
+ if(sd->status != HTTPD_REQUEST_OK) return;
+ if(url[0] == '\0') url = "index.html";
+
+ // url の最大長は約1010バイトなので、バッファオーバーフローの心配は無し
+ sprintf(file_buf, "%s%s", document_root, url);
+
+ fp = fopen(file_buf,"rb");
+ if(fp == NULL) {
+ httpd_send_error(sd,404);
+ } else {
+ fseek(fp,0,SEEK_END);
+ file_size = ftell(fp);
+ fseek(fp,0,SEEK_SET);
+ httpd_send_head(sd,200,httpd_mimetype(url),file_size);
+ while(file_size > 0) {
+ int read_byte = file_size;
+ if(file_size > 8192) read_byte = 8192;
+ fread(file_buf,1,read_byte,fp);
+ httpd_send_data(sd,read_byte,file_buf);
+ file_size -= read_byte;
+ }
+ fclose(fp);
+ }
+}
+
+
+char* httpd_binary_encode(const char* val)
+{
+ char *buf = aMalloc(strlen(val) * 3 + 1);
+ char *p = buf;
+ while(*val) {
+ if(isalnum((unsigned char)*val)) {
+ *(p++) = *(val++);
+ } else {
+ unsigned char c1 = *(val++);
+ unsigned char c2 = (c1 >> 4);
+ unsigned char c3 = (c1 & 0x0F);
+ *(p++) = '%';
+ *(p++) = c2 + (c2 >= 10 ? 'A'-10 : '0');
+ *(p++) = c3 + (c3 >= 10 ? 'A'-10 : '0');
+ }
+ }
+ *p = 0;
+ return buf;
+}
+
+char* httpd_quote_meta(const char* p1)
+{
+ char *buf = aMalloc(strlen(p1) * 6 + 1);
+ char *p2 = buf;
+ while(*p1) {
+ switch(*p1) {
+ case '<': memcpy(p2,"<",4); p2 += 4; p1++; break;
+ case '>': memcpy(p2,">",4); p2 += 4; p1++; break;
+ case '&': memcpy(p2,"&",5); p2 += 5; p1++; break;
+ case '"': memcpy(p2,""",6); p2 += 6; p1++; break;
+ default: *(p2++) = *(p1++);
+ }
+ }
+ *p2 = 0;
+ return buf;
+}
+
+///////// Graph / HTML snippets functions /////////////////////////////
+
+struct file_entry {
+ char *filename;
+ struct file_entry *next;
+};
+struct file_entry *fileentry_head = NULL;
+
+static void httpd_graph_load (const char *filename)
+{
+ struct file_entry *entry;
+ char type = *server_type + 'a';
+ int len = strlen(filename);
+
+ if (len <= 7 || filename[len - 7] != type)
+ return;
+
+ entry = fileentry_head;
+ while (entry) {
+ if (strcmpi(entry->filename, filename) == 0)
+ return;
+ entry = entry->next;
+ }
+
+ entry = (struct file_entry *) aMalloc (sizeof(struct file_entry));
+ entry->filename = aStrdup(filename);
+ entry->next = fileentry_head;
+ fileentry_head = entry;
+}
+
+// scan for available html snippets
+static int httpd_graph_find (int tid, unsigned int tick, int id, int data)
+{
+ findfile("httpd", ".graph", httpd_graph_load);
+ return 0;
+}
+
+static void httpd_graph_parse (struct httpd_session_data *sd,const char* url)
+{
+ // output html
+ struct file_entry *entry = fileentry_head;
+ char buf[8192];
+ char *p = buf;
+ FILE *fp;
+
+ p += sprintf(p,"<html><head><title>Athena Sensors</title></head>\n\n<body>\n");
+ p += sprintf(p,"<h1>Athena Sensors</h1>\n\n");
+
+ while (entry) {
+ // insert snippets into html
+ char line[1024];
+ fp = fopen(entry->filename, "r");
+ if (fp == NULL) {
+ entry = entry->next;
+ continue;
+ }
+ while(fgets(line, sizeof(line) -1, fp))
+ p += sprintf(p, line);
+ fclose(fp);
+ entry = entry->next;
+ }
+ p += sprintf(p,"</body></html>\n");
+ httpd_send(sd,200,"text/html",p - buf,buf);
+}
+
+//////////////// Initialise / Finalise /////////////////////////////
+
+void do_final (void)
+{
+ int fd;
+ struct file_entry *entry = fileentry_head, *entry2;
+
+ // clear up graph entries
+ while (entry) {
+ entry2 = entry->next;
+ aFree(entry->filename);
+ aFree(entry);
+ entry = entry2;
+ }
+ // clear up existing http connections
+ for (fd = 0; fd < *max_fd; fd++)
+ if (sessiond[fd] && sessiond[fd]->type == SESSION_HTTP)
+ delete_sessiond(fd);
+
+ httpd_files->destroy(httpd_files,NULL);
+ // clear up the database
+ db_final();
+ // clear up allocated memory
+ // note: the memory manager, if enabled, would be
+ // separate from the parent program, which is also
+ // why we need to delete our http sessions
+ // separately above
+ malloc_final();
+}
+
+void do_init (void)
+{
+ struct func_parse_table *parse_table;
+ int enable_httpd = 1;
+
+ do {
+ char line[1024], w1[1024], w2[1024];
+ FILE *fp = fopen("plugins/httpd.conf","r");
+ if (fp == NULL)
+ break;
+
+ while(fgets(line, sizeof(line) -1, fp)) {
+ if (line[0] == '/' && line[1] == '/')
+ continue;
+ if (sscanf(line, "%[^:]: %[^\r\n]", w1, w2) == 2) {
+ if(strcmpi(w1,"enable_httpd")==0){
+ enable_httpd = atoi(w2);
+ } else if(strcmpi(w1,"document_root")==0){
+ strcpy(document_root, w2);
+ } else if(strcmpi(w1,"request_timeout_first")==0){
+ request_timeout[0] = atoi(w2);
+ } else if(strcmpi(w1,"request_timeout_persist")==0){
+ request_timeout[1] = atoi(w2);
+ } else if(strcmpi(w1,"max_persist_request")==0){
+ max_persist_requests = atoi(w2);
+ }
+ }
+ }
+ fclose(fp);
+ } while (0);
+
+ if (!enable_httpd)
+ return;
+
+ malloc_init();
+ db_init();
+ IMPORT_SYMBOL(server_type, 0);
+ IMPORT_SYMBOL(gettick, 5);
+ IMPORT_SYMBOL(add_timer_interval, 8);
+ IMPORT_SYMBOL(max_fd, 13);
+ IMPORT_SYMBOL(sessiond, 14);
+ IMPORT_SYMBOL(delete_sessiond, 15);
+ IMPORT_SYMBOL(_WFIFOSET, 16);
+ IMPORT_SYMBOL(_RFIFOSKIP, 17);
+ IMPORT_SYMBOL(parse_table, 18);
+
+ // register http parsing function
+ parse_table[SESSION_HTTP].check = httpd_check;
+ parse_table[SESSION_HTTP].func = httpd_parse;
+
+ httpd_files = db_alloc(__FILE__,__LINE__,DB_STRING,DB_OPT_RELEASE_KEY,50);
+ httpd_default = httpd_send_file;
+
+ httpd_pages ("/graph", httpd_graph_parse);
+ add_timer_interval(gettick()+10000,httpd_graph_find,0,0,10000);
+
+ return;
+}
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