thttpd_patch

php-4.4.7学习linux时下载的源代码

+    hc->range_if = (time_t) -1;
+    hc->contentlength = -1;
+    hc->type = "";
+    hc->hostname = (char*) 0;
+    hc->mime_flag = 1;
+    hc->one_one = 0;
+    hc->got_range = 0;
+    hc->tildemapped = 0;
+    hc->init_byte_loc = 0;
+    hc->end_byte_loc = -1;
+    hc->keep_alive = 0;
+    hc->do_keep_alive = 0;
+    hc->should_linger = 0;
+    hc->file_address = (char*) 0;
+    hc->read_body_into_mem = 0;
+    return GC_OK;
+}
+
+int
 httpd_get_conn( httpd_server* hs, int listen_fd, httpd_conn* hc )
     {
     httpd_sockaddr sa;
@@ -1612,6 +1759,7 @@
 	{
 	hc->read_size = 0;
 	httpd_realloc_str( &hc->read_buf, &hc->read_size, 500 );
+	hc->read_buf_is_mmap = 0;
 	hc->maxdecodedurl =
 	    hc->maxorigfilename = hc->maxexpnfilename = hc->maxencodings =
 	    hc->maxpathinfo = hc->maxquery = hc->maxaccept =
@@ -1631,12 +1779,19 @@
 	httpd_realloc_str( &hc->reqhost, &hc->maxreqhost, 0 );
 	httpd_realloc_str( &hc->hostdir, &hc->maxhostdir, 0 );
 	httpd_realloc_str( &hc->remoteuser, &hc->maxremoteuser, 0 );
-	httpd_realloc_str( &hc->response, &hc->maxresponse, 0 );
+	httpd_realloc_str( &hc->response, &hc->maxresponse, 350 );
 #ifdef TILDE_MAP_2
 	httpd_realloc_str( &hc->altdir, &hc->maxaltdir, 0 );
 #endif /* TILDE_MAP_2 */
 	hc->initialized = 1;
 	}
+		if (hc->read_buf_is_mmap) {
+			hc->read_buf_is_mmap = 0;
+			munmap(hc->read_buf, hc->read_size);
+			hc->read_buf = NULL;
+			hc->read_size = 0;
+			httpd_realloc_str( &hc->read_buf, &hc->read_size, 500 );
+		}
 
     /* Accept the new connection. */
     sz = sizeof(sa);
@@ -1657,53 +1812,12 @@
     hc->hs = hs;
     memset( &hc->client_addr, 0, sizeof(hc->client_addr) );
     memcpy( &hc->client_addr, &sa, sockaddr_len( &sa ) );
-    hc->read_idx = 0;
-    hc->checked_idx = 0;
-    hc->checked_state = CHST_FIRSTWORD;
-    hc->method = METHOD_UNKNOWN;
-    hc->status = 0;
-    hc->bytes_to_send = 0;
-    hc->bytes_sent = 0;
-    hc->encodedurl = "";
-    hc->decodedurl[0] = '\0';
-    hc->protocol = "UNKNOWN";
-    hc->origfilename[0] = '\0';
-    hc->expnfilename[0] = '\0';
-    hc->encodings[0] = '\0';
-    hc->pathinfo[0] = '\0';
-    hc->query[0] = '\0';
-    hc->referer = "";
-    hc->useragent = "";
-    hc->accept[0] = '\0';
-    hc->accepte[0] = '\0';
-    hc->acceptl = "";
-    hc->cookie = "";
-    hc->contenttype = "";
-    hc->reqhost[0] = '\0';
-    hc->hdrhost = "";
-    hc->hostdir[0] = '\0';
-    hc->authorization = "";
-    hc->remoteuser[0] = '\0';
-    hc->response[0] = '\0';
-#ifdef TILDE_MAP_2
-    hc->altdir[0] = '\0';
-#endif /* TILDE_MAP_2 */
-    hc->responselen = 0;
-    hc->if_modified_since = (time_t) -1;
-    hc->range_if = (time_t) -1;
-    hc->contentlength = -1;
-    hc->type = "";
-    hc->hostname = (char*) 0;
-    hc->mime_flag = 1;
-    hc->one_one = 0;
-    hc->got_range = 0;
-    hc->tildemapped = 0;
-    hc->init_byte_loc = 0;
-    hc->end_byte_loc = -1;
-    hc->keep_alive = 0;
-    hc->should_linger = 0;
-    hc->file_address = (char*) 0;
-    return GC_OK;
+
+/*
+printf("doing httpd_get_con(%d)\n", hc->conn_fd);
+*/
+
+    return httpd_request_reset(hc, 0);
     }
 
 
@@ -1720,6 +1834,9 @@
     {
     char c;
 
+/*
+printf("**REQUEST [%d]**\n%*.*s\n", hc->conn_fd, hc->read_idx, hc->read_idx, hc->read_buf);
+*/
     for ( ; hc->checked_idx < hc->read_idx; ++hc->checked_idx )
 	{
 	c = hc->read_buf[hc->checked_idx];
@@ -1912,8 +2029,11 @@
 	    eol = strpbrk( protocol, " \t\n\r" );
 	    if ( eol != (char*) 0 )
 		*eol = '\0';
-	    if ( strcasecmp( protocol, "HTTP/1.0" ) != 0 )
+	    if ( strcasecmp( protocol, "HTTP/1.0" ) != 0 ) {
 		hc->one_one = 1;
+		hc->keep_alive = 1;
+		hc->do_keep_alive = 1;
+		}
 	    }
 	}
     /* Check for HTTP/1.1 absolute URL. */
@@ -2129,6 +2249,7 @@
 		cp = &buf[11];
 		cp += strspn( cp, " \t" );
 		if ( strcasecmp( cp, "keep-alive" ) == 0 )
+		    hc->do_keep_alive = 1;
 		    hc->keep_alive = 1;
 		}
 #ifdef LOG_UNKNOWN_HEADERS
@@ -2168,6 +2289,9 @@
 	    }
 	}
 
+/*
+printf("one_one = %d   keep_alive = %d\n", hc->one_one, hc->keep_alive);
+*/
     if ( hc->one_one )
 	{
 	/* Check that HTTP/1.1 requests specify a host, as required. */
@@ -2177,14 +2301,14 @@
 	    return -1;
 	    }
 
-	/* If the client wants to do keep-alives, it might also be doing
-	** pipelining.  There's no way for us to tell.  Since we don't
-	** implement keep-alives yet, if we close such a connection there
-	** might be unread pipelined requests waiting.  So, we have to
-	** do a lingering close.
+	/*
+	**  Disable keep alive support for bad browsers, 
+	**    list taken from Apache 1.3.19
 	*/
-	if ( hc->keep_alive )
-	    hc->should_linger = 1;
+	if ( hc->do_keep_alive && 
+	    ( strstr(hc->useragent, "Mozilla/2") != NULL ||
+	      strstr(hc->useragent, "MSIE 4.0b2;") != NULL))
+		hc->do_keep_alive = 0;
 	}
 
     /* Ok, the request has been parsed.  Now we resolve stuff that
@@ -2349,15 +2473,24 @@
 
 
 void
-httpd_close_conn( httpd_conn* hc, struct timeval* nowP )
-    {
-    make_log_entry( hc, nowP );
+httpd_complete_request( httpd_conn* hc, struct timeval* nowP)
+{
+	if (hc->method != METHOD_UNKNOWN)
+		make_log_entry( hc, nowP );
 
-    if ( hc->file_address != (char*) 0 )
+	if ( hc->file_address == (char*) 1 )
+    {
+	thttpd_closed_conn(hc->conn_fd);
+    } else if ( hc->file_address != (char*) 0 )
 	{
 	mmc_unmap( hc->file_address, &(hc->sb), nowP );
 	hc->file_address = (char*) 0;
 	}
+	}
+
+void
+httpd_close_conn( httpd_conn* hc, struct timeval* nowP )
+{
     if ( hc->conn_fd >= 0 )
 	{
 	(void) close( hc->conn_fd );
@@ -2370,7 +2503,12 @@
     {
     if ( hc->initialized )
 	{
-	free( (void*) hc->read_buf );
+
+	if ( hc->read_buf_is_mmap ) {
+	    munmap( hc->read_buf, hc->read_size );
+	} else {
+	    free( (void*) hc->read_buf );
+	}
 	free( (void*) hc->decodedurl );
 	free( (void*) hc->origfilename );
 	free( (void*) hc->expnfilename );
@@ -2556,7 +2694,7 @@
 	return -1;
 	}
 
-    send_mime( hc, 200, ok200title, "", "", "text/html", -1, hc->sb.st_mtime );
+    send_mime( hc, 200, ok200title, "", "", "text/html", -1, hc->sb.st_mtime, 0, 0 );
     if ( hc->method == METHOD_HEAD )
 	closedir( dirp );
     else if ( hc->method == METHOD_GET )
@@ -3026,11 +3164,9 @@
 post_post_garbage_hack( httpd_conn* hc )
     {
     char buf[2];
-    int r;
 
-    r = recv( hc->conn_fd, buf, sizeof(buf), MSG_PEEK );
-    if ( r > 0 )
-	(void) read( hc->conn_fd, buf, r );
+	fcntl(hc->conn_fd, F_SETFL, O_NONBLOCK);
+	(void) read( hc->conn_fd, buf, 2 );
     }
 
 
@@ -3313,6 +3449,11 @@
     int r;
     ClientData client_data;
 
+    /*
+    **  We are not going to leave the socket open after a CGI... too hard
+    */
+    hc->do_keep_alive = 0;
+
     if ( hc->method == METHOD_GET || hc->method == METHOD_POST )
 	{
 	httpd_clear_ndelay( hc->conn_fd );
@@ -3369,6 +3510,7 @@
     int expnlen, indxlen;
     char* cp;
     char* pi;
+    int nocache = 0;
 
     expnlen = strlen( hc->expnfilename );
 
@@ -3561,6 +3703,16 @@
 	 match( hc->hs->cgi_pattern, hc->expnfilename ) )
 	return cgi( hc );
 
+	if ( hc->hs->php_pattern != (char*) 0 &&
+			match( hc->hs->php_pattern, hc->expnfilename)) {
+		return thttpd_php_request( hc, 0 );
+	}
+
+	if ( hc->hs->phps_pattern != (char*) 0 &&
+			match( hc->hs->phps_pattern, hc->expnfilename)) {
+		return thttpd_php_request( hc, 1 );
+	}
+
     /* It's not CGI.  If it's executable or there's pathinfo, someone's
     ** trying to either serve or run a non-CGI file as CGI.   Either case
     ** is prohibited.
@@ -3594,32 +3746,46 @@
 	hc->end_byte_loc = hc->sb.st_size - 1;
 
     figure_mime( hc );
+    if ( strncmp(hc->decodedurl, "/nocache/", sizeof("/nocache/") - 1 ) == 0 )
+	nocache = 1;
 
     if ( hc->method == METHOD_HEAD )
 	{
 	send_mime(
 	    hc, 200, ok200title, hc->encodings, "", hc->type, hc->sb.st_size,
-	    hc->sb.st_mtime );
+	    hc->sb.st_mtime, 0, 0 );
 	}
-    else if ( hc->if_modified_since != (time_t) -1 &&
+    else if ( !nocache && hc->if_modified_since != (time_t) -1 &&
 	 hc->if_modified_since >= hc->sb.st_mtime )
 	{
-	hc->method = METHOD_HEAD;
 	send_mime(
-	    hc, 304, err304title, hc->encodings, "", hc->type, hc->sb.st_size,
-	    hc->sb.st_mtime );
+	    hc, 304, err304title, hc->encodings, "", hc->type, -1,
+	    hc->sb.st_mtime, 0, 0 );
 	}
     else
 	{
-	hc->file_address = mmc_map( hc->expnfilename, &(hc->sb), nowP );
+	char *extraheads = "";
+	char *lm;
+	size_t lml;
+
+	if ( nocache ) 
+	    {
+	    extraheads = "Expires: Thu, 19 Nov 1981 08:52:00 GMT\r\n"
+		"Cache-Control: no-store, no-cache, must-revalidate, "
+		"post-check=0, pre-check=0\r\n"
+		"Pragma: no-cache\r\n";
+	    }
+		
+	hc->file_address = mmc_map( hc->expnfilename, &(hc->sb), nowP, nocache, &lm, &lml );
 	if ( hc->file_address == (char*) 0 )
 	    {
 	    httpd_send_err( hc, 500, err500title, "", err500form, hc->encodedurl );
 	    return -1;
 	    }
+
 	send_mime(
-	    hc, 200, ok200title, hc->encodings, "", hc->type, hc->sb.st_size,
-	    hc->sb.st_mtime );
+	    hc, 200, ok200title, hc->encodings, extraheads, hc->type, hc->sb.st_size,
+	    hc->sb.st_mtime, lm, lml );
 	}
 
     return 0;
@@ -3638,6 +3804,9 @@
     return r;
     }
 
+#define smart_str_append_const(a,b) smart_str_appendl(a,b,sizeof(b)-1)
+
+static smart_str bentries;
 
 static void
 make_log_entry( httpd_conn* hc, struct timeval* nowP )
@@ -3648,88 +3817,62 @@
 
     if ( hc->hs->no_log )
 	return;
-
-    /* This is straight CERN Combined Log Format - the only tweak
-    ** being that if we're using syslog() we leave out the date, because
-    ** syslogd puts it in.  The included syslogtocern script turns the
-    ** results into true CERN format.
-    */
-
     /* Format remote user. */
     if ( hc->remoteuser[0] != '\0' )
-	ru = hc->remoteuser;
+    ru = hc->remoteuser;
     else
-	ru = "-";
+    ru = "-";
     /* If we're vhosting, prepend the hostname to the url.  This is
     ** a little weird, perhaps writing separate log files for
     ** each vhost would make more sense.
     */
-    if ( hc->hs->vhost && ! hc->tildemapped )
-	(void) my_snprintf( url, sizeof(url),
-	    "/%.100s%.200s",
-	    hc->hostname == (char*) 0 ? hc->hs->server_hostname : hc->hostname,
-	    hc->encodedurl );
-    else
-	(void) my_snprintf( url, sizeof(url),
-	    "%.200s", hc->encodedurl );
-    /* Format the bytes. */
-    if ( (long) hc->bytes_sent >= 0 )
-	(void) my_snprintf( bytes, sizeof(bytes),
-	    "%ld", (long) hc->bytes_sent );
-    else
-	(void) strcpy( bytes, "-" );
 
     /* Logfile or syslog? */
     if ( hc->hs->logfp != (FILE*) 0 )
-	{
-	time_t now;
-	struct tm* t;
-	const char* cernfmt_nozone = "%d/%b/%Y:%H:%M:%S";
-	char date_nozone[100];
-	int zone;
-	char sign;
-	char date[100];
-
-	/* Get the current time, if necessary. */
-	if ( nowP != (struct timeval*) 0 )
-	    now = nowP->tv_sec;
-	else
-	    now = time( (time_t*) 0 );
-	/* Format the time, forcing a numeric timezone (some log analyzers
-	** are stoooopid about this).
-	*/
-	t = localtime( &now );
-	(void) strftime( date_nozone, sizeof(date_nozone), cernfmt_nozone, t );
-#ifdef HAVE_TM_GMTOFF
-	zone = t->tm_gmtoff / 60L;
-#else
-	zone = -timezone / 60L;
-	/* Probably have to add something about daylight time here. */
-#endif
-	if ( zone >= 0 )
-	    sign = '+';
-	else
-	    {
-	    sign = '-';
-	    zone = -zone;
-	    }
-	zone = ( zone / 60 ) * 100 + zone % 60;
-	(void) my_snprintf( date, sizeof(date),
-	    "%s %c%04d", date_nozone, sign, zone );
-	/* And write the log entry. */
-	(void) fprintf( hc->hs->logfp,
-	    "%.80s - %.80s [%s] \"%.80s %.300s %.80s\" %d %s \"%.200s\" \"%.80s\"\n",
-	    httpd_ntoa( &hc->client_addr ), ru, date,
-	    httpd_method_str( hc->method ), url, hc->protocol,
-	    hc->status, bytes, hc->referer, hc->useragent );
-	(void) fflush( hc->hs->logfp );	/* don't need to flush every time */
-	}
-    else
-	syslog( LOG_INFO,
-	    "%.80s - %.80s \"%.80s %.200s %.80s\" %d %s \"%.200s\" \"%.80s\"",
-	    httpd_ntoa( &hc->client_addr ), ru,
-	    httpd_method_str( hc->method ), url, hc->protocol,
-	    hc->status, bytes, hc->referer, hc->useragent );
+    {
+    /* XXXXXXX */
+
+    smart_str_appends(&bentries, httpd_ntoa(&hc->client_addr));
+    smart_str_append_const(&bentries, " - ");
+    smart_str_appends(&bentries, ru);
+    smart_str_append_const(&bentries, " [");
+    smart_str_appendl(&bentries, hc->hs->log_date, hc->hs->log_date_len);
+    smart_str_append_const(&bentries, "] \"");
+    smart_str_appends(&bentries, httpd_method_str(hc->method));
+    smart_str_appendc(&bentries, ' ');
+
+    if (hc->hs->vhost && ! hc->tildemapped) {
+        smart_str_appendc(&bentries, '/');
+        if (hc->hostname)
+            smart_str_appends(&bentries, hc->hostname);
+        else
+            smart_str_appends(&bentries, hc->hs->server_hostname);
+    }
+    smart_str_appends(&bentries, hc->encodedurl);
+
+    smart_str_appendc(&bentries, ' ');
+    smart_str_appends(&bentries, hc->protocol);
+    smart_str_append_const(&bentries, "\" ");
+    smart_str_append_long(&bentries, hc->status);
+    if (hc->bytes_sent >= 0) {
+        smart_str_appendc(&bentries, ' ');
+        smart_str_append_long(&bentries, hc->bytes_sent);
+        smart_str_append_const(&bentries, " \"");
+    } else {
+        smart_str_append_const(&bentries, " - \"");
+    }
+    smart_str_appends(&bentries, hc->referer);
+    smart_str_append_const(&bentries, "\" \"");
+    smart_str_appends(&bentries, hc->useragent);
+    smart_str_append_const(&bentries, "\"\n");
+
+    if (bentries.len > 16384) {
+        int fd = fileno(hc->hs->logfp);
+        write(fd, bentries.c, bentries.len);
+        bentries.len = 0;