//Request handler
void http_request(char* readbuf, HTTPResponse* response)
{
char buf[1024];
char method[255];
char url[255];
char path[512];
char info[255];
int readbuf_ind = 0;
int buf_ind = 0;
//init HTTPResponse struct
response->write_byte = 0;
response->file_size = 0;
response->file =NULL;
response->header_size = 0;
strcpy(response->method,"");
strcpy(response->path,"");
//init HTTPResponse struct
readbuf_ind += http_getline(buf, sizeof(buf), readbuf+readbuf_ind);
buf_ind += http_getrequest(method, sizeof(method), buf+buf_ind);
strcpy(response->method, method);
if (strcasecmp(method, "GET") && strcasecmp(method, "POST") && strcasecmp(method, "HEAD"))
{
strcpy(response->method,"Unimplemented");
return;
}
buf_ind += http_getrequest(url, sizeof(url), buf+buf_ind);
sprintf(path, "%s%s",WWW, url);
if (path[strlen(path) - 1] == '/')
strcat(path, "index.html");
if (!strcasecmp(method, "GET") || !strcasecmp(method, "HEAD"))
strcpy(response->path, path);
buf_ind += http_getrequest(info, sizeof(info), buf+buf_ind);
if(strcasecmp(info, "HTTP/1.1"))
{
strcpy(response->method,"Unsupported");
return;
}
}
int http_analyze(int cfd, threadpool_t *tpool)
{
char method[20],version[20], url[MAXURL], query[MAXQUERY], line[MAXLINE], *pos;
int ret=0, iscgi=0;
if ((ret = http_getline(cfd, line, MAXLINE))==0){
struct sockaddr_in saddr;
socklen_t len;
getsockname(cfd, (struct sockaddr*)&saddr, &len);
char buf[100];
sprintf (buf, "%s ip:%s create an error connection", __FUNCTION__, inet_ntoa(saddr.sin_addr));
errlog(buf);
return -1;
}
sscanf(line, "%s %s %s", method, url, version);
if (strncasecmp(method, "GET", 3) !=0 && strncasecmp(method, "POST", 4) !=0){
http_not_support(cfd);
return 0;
}
pos = url;
while(*pos != '?' && *pos != '\0')
pos++;
if (*pos == '?'){
iscgi=1;
*pos='\0'; pos++;
strncpy(query, pos, strlen(pos)+1);
}
struct sockaddr_in addr;
socklen_t socklen;
getsockname(cfd, (struct sockaddr*)&addr, &socklen);
time_t t = time(NULL);
char* tmpbuf = (char*)malloc(50);
sprintf (tmpbuf, "%s----", ctime(&t));
sprintf (tmpbuf, "%sIP:%s", tmpbuf, inet_ntoa(addr.sin_addr));
db_store(walker_db, (const char*)tmpbuf, (const char*)url, DB_INSERT);
free(tmpbuf);
if (strncasecmp(method, "GET", 3)==0){
char *filepath;
filepath = (char *)malloc(strlen(walkerconf[ROOT].value)+strlen(url)+1);
strcpy(filepath, walkerconf[ROOT].value);
strcat(filepath, url);
while((ret = http_getline(cfd, line, MAXLINE))>0);
struct stat st;
if (stat(filepath, &st) == -1){
http_not_found(cfd);
return 0;
}
if (access(filepath, R_OK)){
http_error(cfd);
return 0;
}
if ((S_ISDIR(st.st_mode) || S_ISREG(st.st_mode)) && !iscgi){
struct http_job* job = http_make_job(cfd, filepath);
//threadpool_add(tpool, http_thread_work, (void*)job, 0);
http_thread_work((void*)job);
return 0;
}else if (S_ISREG(st.st_mode) && iscgi){
}else{
http_error(cfd);
return 0;
}
}else if (strncasecmp(method, "POST", 4) == 0){
int pi[2], pid, content_length;
char *p;
char *filepath;
filepath = (char *)malloc(strlen(walkerconf[ROOT].value)+strlen(url)+1);
strcpy(filepath, walkerconf[ROOT].value);
strcat(filepath, url);
content_length=-1;
while((ret=http_getline(cfd, line, MAXLINE)) !=0){
if (strncasecmp(line, "Content-Length:", 15) == 0){
p = &line[15];
p += strspn(p, " \t");
content_length = atoi(p);
}
}
if (content_length != -1){
recv(cfd, postdata, content_length, 0);
}
socketpair(AF_UNIX, SOCK_STREAM, 0, pi);
pid = fork();
if (pid==0){
dup2(pi[0], 0);
dup2(pi[1], 1);
close(pi[0]);
close(pi[1]);
char meth_env[255];
char length_env[255];
sprintf (meth_env, "REQUEST_METHOD=%s", method);
putenv(meth_env);
sprintf (length_env, "CONTENT_LENGTH=%d", content_length);
putenv(length_env);
execl("/usr/bin/php-cgi", "php-cgi", filepath, NULL);
exit(0);
}else{
char recvdata[MAXLINE], packet[MAXLINE];
write(pi[0], postdata, content_length);
if ((ret = read(pi[0], recvdata, MAXLINE))>0){
recvdata[ret]='\0';
//sprintf(packet, "%sContent-Type: text/html\r\n", packet);
sprintf(packet, "HTTP/1.1 200 OK\r\n");
sprintf(packet, "%sContent-Length: %d\r\n\r\n", packet, ret);
sprintf(packet, "%s%s", packet, recvdata);
send(cfd, packet, MAXLINE, 0);
//send(cfd, recvdata, MAXLINE, 0);
}
close(pi[0]);
close(pi[1]);
free(filepath);
waitpid(pid, NULL, 0);
}
}
return 0;
}
