only allow acess to known server files

This commit is contained in:
lxsang 2016-12-07 10:57:14 +01:00
parent ea43ed8da1
commit a2dea1d847
3 changed files with 27 additions and 7 deletions

View File

@ -68,8 +68,24 @@ void accept_request(int client)
{
if (S_ISDIR(st.st_mode))
strcat(path, "/index.html");
// check if the mime is supported
// if the minme is not supported
// find an handler plugin to process it
// if the plugin is not found, forbidden access to the file should be sent
char* mime_type = mime(path);
if(strcmp(mime_type,"application/octet-stream") == 0)
{
sprintf(buf,"/%s-api%s",ext(path),url);
LOG("WARNING::::Access octetstream via handler %s\n", buf);
if(execute_plugin(client,buf,method,query_string) < 0)
cannot_execute(client);
}
else
{
headers(client,mime_type);
// if the mime is supported, send the file
serve_file(client, path);
}
}
close(client);
@ -126,10 +142,12 @@ void __b(int client, const unsigned char* data, int size)
void catb(int client, FILE* ptr)
{
unsigned char buffer[BUFFLEN];
size_t size;
while(!feof(ptr))
{
fread(buffer,BUFFLEN,1,ptr);
__b(client,buffer,BUFFLEN);
size = fread(buffer,1,BUFFLEN,ptr);
__b(client,buffer,size);
//if(!__b(client,buffer,size)) return;
}
//fclose(ptr);
}
@ -226,7 +244,7 @@ int get_line(int sock, char *buf, int size)
/* Parameters: the socket to print the headers on
* the name of the file */
/**********************************************************************/
void headers(int client, const char *filename)
void headers(int client, const char *mime_type)
{
char buf[1024];
//printf("Mime %s\n", mime(filename));
@ -234,7 +252,7 @@ void headers(int client, const char *filename)
send(client, buf, strlen(buf), 0);
strcpy(buf, SERVER_STRING);
send(client, buf, strlen(buf), 0);
sprintf(buf, "Content-Type: %s\r\n",mime(filename));
sprintf(buf, "Content-Type: %s\r\n",mime_type);
send(client, buf, strlen(buf), 0);
strcpy(buf, "\r\n");
send(client, buf, strlen(buf), 0);
@ -289,7 +307,6 @@ void serve_file(int client, const char *filename)
not_found(client);
else
{
headers(client, filename);
if(is_bin(filename))
catb(client,resource);
else

BIN
plugins/.DS_Store vendored

Binary file not shown.

View File

@ -175,6 +175,9 @@ char* mime(const char* file)
return "application/x-font-woff";
else if(IEQU(ex,"otf"))
return "application/x-font-otf";
//audio
else if(IEQU(ex,"mp3"))
return "audio/mpeg";
else
// The other type will be undestant as binary
return "application/octet-stream";