/* * Copyright (C) 2007 Gabriel Falcão * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of the * License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this program; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 33, * Boston, MA 2111-137, USA. * @COMPILE gcc -O2 -Wall -Wextra -Werror ccgi_without_glib.c -o index.cgi */ #define _GNU_SOURCE #include #include #include #define MAX_STR 32 void strreplace(char **base, char *from, char *replacement){ char *tokens; tokens = strtok (*base, from); while ((tokens = strtok (NULL, from))){ asprintf(base,"%s%s%s",*base, replacement, tokens); } } char * HttpResponse (char *data, char *contenttype) { char *response_header, *response; if (!contenttype) contenttype = strdup ("text/html"); asprintf (&response_header, "Content-Type:%s;charset=utf-8%c%c\n", contenttype, 13, 10); asprintf (&response, "%s%s\n", response_header, data); free (data); free (contenttype); free (response_header); return response; } char * get_file_contents (char *filename) { FILE *fh; char *contents; char *tmp; contents = malloc (MAX_STR); tmp = malloc (MAX_STR); fh = fopen (filename, "r"); if (!fh) return NULL; while (!feof (fh)) { fread (tmp, MAX_STR, 1, fh); asprintf (&contents, "%s%s", contents, tmp); } fclose (fh); free (tmp); return contents; } int main (void) { char *response; char *query_str; char *file; char *html; query_str = getenv ("QUERY_STRING"); file = get_file_contents ("/proc/net/dev"); if (!file) { fprintf (stderr, "\e[1;32mCannot read the file\e[0m\n"); return 1; } strreplace(&file, "\n", "
\n"); asprintf (&html, "\n\ \n\ Teste com C-CGI\n\ \n\ \n\

\n\

We are hammer!

\n\ %s

%s \n\

\n\ \n\ ", query_str, file); free (file); strreplace(&html, " "," "); response = HttpResponse (html, NULL); printf ("%s", response); free (response); return 0; }