From cc636197bc6628c89c1246c20f739b365f2d32b7 Mon Sep 17 00:00:00 2001
From: Sergey Lyubka <valenok@gmail.com>
Date: Mon, 13 Jan 2014 17:58:14 +0000
Subject: [PATCH] Added auth example
---
docs/Embed.md | 3 ++-
examples/Makefile | 2 ++
examples/auth.c | 45 +++++++++++++++++++++++++++++++++++++++++++++
mongoose.c | 6 ++++--
4 files changed, 53 insertions(+), 3 deletions(-)
create mode 100644 examples/auth.c
diff --git a/docs/Embed.md b/docs/Embed.md
index 7a102b64c..bdca48576 100644
--- a/docs/Embed.md
+++ b/docs/Embed.md
@@ -90,7 +90,8 @@ a couple of kilobytes to the executable size, and also has some runtime penalty.
Mongoose source code contains a well-commented example code, listed below:
* [hello.c](https://github.com/cesanta/mongoose/blob/master/examples/hello.c)
- is a minimalistic hello world example
+ a minimalistic hello world example
* [post.c](https://github.com/cesanta/mongoose/blob/master/examples/post.c)
+ shows how to handle form input
* [upload.c](https://github.com/cesanta/mongoose/blob/master/examples/post.c)
shows how to upload files
diff --git a/examples/Makefile b/examples/Makefile
index 562d47938..2344b07a6 100644
--- a/examples/Makefile
+++ b/examples/Makefile
@@ -24,6 +24,7 @@ all:
$(CC) post.c ../mongoose.c -o post $(CFLAGS)
$(CC) multi_threaded.c ../mongoose.c -o multi_threaded $(CFLAGS)
$(CC) upload.c ../mongoose.c -o upload $(CFLAGS)
+ $(CC) auth.c ../mongoose.c -o auth $(CFLAGS)
# $(CC) -DUSE_WEBSOCKET websocket.c ../mongoose.c -o $@ $(CFLAGS)
# $(CC) chat.c ../mongoose.c -o chat $(CFLAGS)
@@ -41,6 +42,7 @@ windows:
$(CL) post.c ../mongoose.c $(CLFLAGS) $(LFLAGS)
$(CL) multi_threaded.c ../mongoose.c $(CLFLAGS) $(LFLAGS)
$(CL) upload.c ../mongoose.c $(CLFLAGS) $(LFLAGS)
+ $(CL) auth.c ../mongoose.c $(CLFLAGS) $(LFLAGS)
# $(CL) /DUSE_WEBSOCKET websocket.c ../mongoose.c $(CLFLAGS) $(LFLAGS)
#$(CL) lua_dll.c $(CLFLAGS) $(DLL_FLAGS) /DLL $(LFLAGS) /SUBSYSTEM:WINDOWS /ENTRY:luaopen_lua_dll /EXPORT:luaopen_lua_dll /out:lua_dll.dll
diff --git a/examples/auth.c b/examples/auth.c
new file mode 100644
index 000000000..89a559910
--- /dev/null
+++ b/examples/auth.c
@@ -0,0 +1,45 @@
+#include <stdio.h>
+#include <string.h>
+#include "mongoose.h"
+
+static int index_html(struct mg_connection *conn) {
+ mg_send_header(conn, "Content-Type", "text/html");
+ mg_printf_data(conn, "%s",
+ "This link is password-protected: <a href=/secret>link</a>");
+ return 1;
+}
+
+static int secret_html(struct mg_connection *conn) {
+ static const char *passwords_file = "my_passwords.txt";
+ FILE *fp = fopen(passwords_file, "r");
+
+ // To populate passwords file, do
+ // mongoose -A my_passwords.txt mydomain.com admin admin
+
+ if (mg_authorize_digest(conn, fp)) {
+ mg_printf_data(conn, "%s", "Hi, here is a secret message!");
+ } else {
+ mg_send_digest_auth_request(conn);
+ }
+
+ if (fp != NULL) {
+ fclose(fp);
+ }
+
+ return 1;
+}
+
+int main(void) {
+ struct mg_server *server = mg_create_server(NULL);
+ mg_set_option(server, "listening_port", "8080");
+ mg_add_uri_handler(server, "/", index_html);
+ mg_add_uri_handler(server, "/secret", secret_html);
+
+ printf("Starting on port %s\n", mg_get_option(server, "listening_port"));
+ for (;;) {
+ mg_poll_server(server, 1000);
+ }
+ mg_destroy_server(&server);
+
+ return 0;
+}
diff --git a/mongoose.c b/mongoose.c
index 4be85dc4c..99b3af95b 100644
--- a/mongoose.c
+++ b/mongoose.c
@@ -2921,11 +2921,13 @@ static int check_password(const char *method, const char *ha1, const char *uri,
// Authorize against the opened passwords file. Return 1 if authorized.
int mg_authorize_digest(struct mg_connection *c, FILE *fp) {
struct connection *conn = (struct connection *) c;
- const char *hdr = mg_get_header(c, "Authorization");
+ const char *hdr;
char line[256], f_user[256], ha1[256], f_domain[256], user[100], nonce[100],
uri[MAX_REQUEST_SIZE], cnonce[100], resp[100], qop[100], nc[100];
- if (hdr == NULL || mg_strncasecmp(hdr, "Digest ", 7) != 0) return 0;
+ if (c == NULL || fp == NULL) return 0;
+ if ((hdr = mg_get_header(c, "Authorization")) == NULL ||
+ mg_strncasecmp(hdr, "Digest ", 7) != 0) return 0;
if (!mg_parse_header(hdr, "username", user, sizeof(user))) return 0;
if (!mg_parse_header(hdr, "cnonce", cnonce, sizeof(cnonce))) return 0;
if (!mg_parse_header(hdr, "response", resp, sizeof(resp))) return 0;
--
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