1 files changed, 117 insertions, 0 deletions
diff --git a/src/libexec/httpd.c b/src/libexec/httpd.c
new file mode 100644
index 0000000..4b14269
--- /dev/null
+++ b/src/libexec/httpd.c
@@ -0,0 +1,117 @@
+#include <stdio.h>
+#include <string.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+#define VHOST_ROOT "/var/www"
+#define CGI "cgi-bin"
+#define SERVER "epochttpd/2.0 (Unix)"
+
+void standard_headers() {
+ printf("Server: %s\n",SERVER);
+}
+
+int main(int argc,char *argv[]) {
+ int fd;
+ char *name[10];
+ int s,n;
+ short in;
+ char *method;
+ char *page;
+ char *version;
+ char *get_param;
+ char line[getpagesize()];
+ fgets(line,sizeof(line)-1,stdin);
+ if(!strchr(line,'\n')) {
+  printf("HTTP/1.1 413 Entity Too Large\r\n");
+  standard_headers();
+  printf("Content-type: text/plain\r\n\r\n");
+  printf("use smaller (<%d bytes) headers.\n",getpagesize());
+  return 0;
+ }
+ if(strchr(line,'\r')) *strchr(line,'\r')=0;
+ method=strdup(line);
+ if((page=strchr(method,' '))) {
+  *page=0;
+  page++;
+  if((version=strchr(page,' '))) {
+   *version=0;
+   version++;
+  }
+  if((get_param=strchr(page,'?'))) {
+   *get_param=0;
+   get_param++;
+   setenv("QUERY_STRING",get_param);
+  }
+ }
+ while(fgets(line,sizeof(line)-1,stdin)) {
+  if(!strchr(line,'\n')) {
+   printf("HTTP/1.1 413 Entity Too Large\r\n");
+   standard_headers();
+   printf("Content-type: text/plain\r\n\r\n");
+   printf("use smaller (<%d bytes) headers.\n",getpagesize());
+   return 0;
+  }
+  if(strchr(line,'\r')) *strchr(line,'\r')=0;
+  if(!strncasecmp(line,"Host: ",6)) {
+   setenv("HTTP_HOST",line+6);
+  }
+  if(!strcmp(line,"")) {
+   break;
+  }
+ }
+ //TODO: sanitize this.
+ chdir(VHOST_ROOT);
+ chdir((char*)getenv("HTTP_HOST"));
+ if(strncmp(page,"/cgi-bin/",9)) {
+  for(;*page == '/';page++);
+  if(page[strlen(page)-1] == '/') {
+   printf("HTTP/1.1 302 Moved Permanently\r\n");
+   standard_headers();
+   printf("Location: /%sindex.html\r\n\r\n",page);
+   return 0;
+  }
+  if(fd=open(page,O_RDONLY) != -1) {//need to check that the file isn't a directory. :P
+   printf("HTTP/1.1 200 OK\r\n");
+   standard_headers();
+   name[0]="/usr/local/bin/mime-type";
+   name[1]=page;
+   name[2]=0;
+   printf("Content-type: ");
+   fflush(stdout);
+   switch(fork()) {
+    case 0://child
+     execv(name[0],name);
+     break;
+    case -1://error
+     printf("fork failed.\n");
+     break;
+    default://parent
+     break;
+   }
+   wait(&s);
+   fflush(stdout);
+   printf("\r\n");
+   while((n=read(fd,line,sizeof(line))) > 0) {
+    write(1,line,n);
+   }
+  } else {
+   printf("HTTP/1.1 404 Not Found\r\n");
+   standard_headers();
+   printf("Content-type: text/plain\r\n\r\n");
+   printf("Can't open that page.\n");
+  }
+ } else {
+  //attempt to run this bastard!
+  chdir(CGI);
+  page+=strlen("/cgi-bin/");
+  for(;*page == '/';page++);  
+  name[0]=page;
+  name[1]=0;
+  printf("HTTP/1.1 200 OK\r\n");
+  standard_headers();
+  fflush(stdout);
+  execv(name[0],name);
+ }
+ return 0;
+}