From 845bc1d41b4ba262cc9c593c672adafa1975505f Mon Sep 17 00:00:00 2001
From: "roberto@debian32" <roberto@debian32>
Date: Sun, 31 Jul 2011 18:51:10 +0200
Subject: [PATCH] added data:// facility

---
 ini.c     |  2 +-
 json.c    |  2 +-
 utils.c   | 57 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 xmlconf.c |  2 +-
 yaml.c    |  2 +-
 5 files changed, 61 insertions(+), 4 deletions(-)

diff --git a/ini.c b/ini.c
index 7f1b6976..5e950349 100644
--- a/ini.c
+++ b/ini.c
@@ -92,7 +92,7 @@ void uwsgi_ini_config(char *file, char *magic_table[]) {
 	char *section_asked = "uwsgi";
 	char *colon;
 
-	if (!uwsgi_startswith(file, "http://", 7)) {
+	if (!uwsgi_startswith(file, "http://", 7) || !uwsgi_startswith(file, "data://", 7) || !uwsgi_startswith(file, "sym://", 6) ) {
                 colon = uwsgi_get_last_char(file, '/');
                 colon = uwsgi_get_last_char(colon, ':');
         }
diff --git a/json.c b/json.c
index a31a7b4e..ef53c2f1 100644
--- a/json.c
+++ b/json.c
@@ -30,7 +30,7 @@ void uwsgi_json_config(char *file, char *magic_table[]) {
 	char *colon;
 	int i;
 
-	if (!uwsgi_startswith(file, "http://", 7)) {
+	if (!uwsgi_startswith(file, "http://", 7) || !uwsgi_startswith(file, "data://", 7) || !uwsgi_startswith(file, "sym://", 6)) {
                 colon = uwsgi_get_last_char(file, '/');
                 colon = uwsgi_get_last_char(colon, ':');
         }
diff --git a/utils.c b/utils.c
index 35e15369..209e5740 100644
--- a/utils.c
+++ b/utils.c
@@ -1793,6 +1793,63 @@ char *uwsgi_open_and_read(char *url, int *size, int add_zero, char *magic_table[
 #endif
 	else if (!strncmp("data://", url, 7)) {
 		fd = open(uwsgi.binary_path, O_RDONLY);
+		if (fd < 0) {
+			uwsgi_error_open(uwsgi.binary_path);
+			exit(1);
+		}
+		int slot = atoi(url+7);
+		if (slot < 0) {
+			uwsgi_log("invalid binary data slot requested\n");
+			exit(1);
+		}
+		uwsgi_log("requesting binary data slot %d\n", slot);
+		off_t fo = lseek(fd, 0, SEEK_END);
+		if (fo < 0) {
+			uwsgi_error("lseek()");
+			uwsgi_log("invalid binary data slot requested\n");
+			exit(1);
+		}
+		int i = 0;
+		uint64_t datasize = 0;
+		for(i=0;i<=slot;i++) {
+			fo = lseek(fd, -9, SEEK_CUR);
+			if (fo < 0) {
+				uwsgi_error("lseek()");
+				uwsgi_log("invalid binary data slot requested\n");
+				exit(1);
+			}
+			ssize_t len = read(fd, &datasize, 8);
+			if (len != 8) {
+				uwsgi_error("read()");
+				uwsgi_log("invalid binary data slot requested\n");
+				exit(1);
+			}
+			if (datasize == 0) {
+				uwsgi_log("0 size binary data !!!\n");
+				exit(1);
+			}
+			fo = lseek(fd, -(datasize+9), SEEK_CUR);	
+			if (fo < 0) {
+				uwsgi_error("lseek()");
+				uwsgi_log("invalid binary data slot requested\n");
+				exit(1);
+			}
+
+			if (i == slot) {
+				*size = datasize;
+				if (add_zero) {
+                        		*size+=1;
+                		}
+				buffer = uwsgi_malloc(*size);
+                		memset(buffer, 0, *size);
+				len = read(fd, buffer, datasize);
+				if (len != (ssize_t) datasize) {
+					uwsgi_error("read()");
+					uwsgi_log("invalid binary data slot requested\n");
+					exit(1);
+				}
+			}
+		}
 	}
 	else if (!strncmp("sym://", url, 6)) {
 		char *symbol = uwsgi_concat3("_binary_", url+6, "_start") ;
diff --git a/xmlconf.c b/xmlconf.c
index 39c028d8..9df2b656 100644
--- a/xmlconf.c
+++ b/xmlconf.c
@@ -26,7 +26,7 @@ void uwsgi_xml_config(char *filename, struct wsgi_request *wsgi_req, int app_tag
 	char *xml_content;
 	int xml_size = 0;
 
-	if (!uwsgi_startswith(filename, "http://", 7)) {
+	if (!uwsgi_startswith(filename, "http://", 7) || !uwsgi_startswith(filename, "data://", 7) || !uwsgi_startswith(filename, "sym://", 6)) {
 		colon = uwsgi_get_last_char(filename, '/');
 		colon = uwsgi_get_last_char(colon, ':');
 	}
diff --git a/yaml.c b/yaml.c
index 47e3b292..f1d7147c 100644
--- a/yaml.c
+++ b/yaml.c
@@ -107,7 +107,7 @@ void uwsgi_yaml_config(char *file, char *magic_table[]) {
 	char *section_asked = "uwsgi";
 	char *colon;
 
-	if (!uwsgi_startswith(file, "http://", 7)) {
+	if (!uwsgi_startswith(file, "http://", 7) || !uwsgi_startswith(file, "data://", 7) || !uwsgi_startswith(file, "sym://", 6)) {
                 colon = uwsgi_get_last_char(file, '/');
                 colon = uwsgi_get_last_char(colon, ':');
         }