fortune-cgi.c

   1 // CGI program to get fortunes. Powers https://fortune.armaanb.net.
   2
   3 #include <string.h>
   4 #include <stdio.h>
   5 #include <stdlib.h>
   6
   7 int
   8 main(void)
   9 {
  10         const char *path = getenv("PATH_INFO");
  11         FILE *fp;
  12         char buf[255];
  13
  14         if (strcmp(path, "/latin-cowsay") == 0) {
  15                 fp = popen("phrases | cowsay", "r");
  16         } else if (strcmp(path, "/cowsay") == 0) {
  17                 fp = popen("fortune | cowsay", "r");
  18         } else if (strcmp(path, "/latin") == 0) {
  19                 fp = popen("phrases", "r");
  20         } else if (strcmp(path, "/") == 0) {
  21                 fp = popen("fortune", "r");
  22         } else {
  23                 printf("Status: 404"
  24                                          "Content-type: text/plain\n\n"
  25                                          "Page not found. Try /, /cowsay, /latin, or /latin-cowsay\n");
  26                 return 0;
  27         }
  28
  29         printf("Content-type: text/plain\n\n");
  30         while (fgets(buf, sizeof(buf), fp) != NULL) {
  31                 printf("%s", buf);
  32         }
  33         pclose(fp);
  34
  35         return 0;
  36 }