testing/fastcgi-approach/post/post.c

   1 #include <fcgi_stdio.h>
   2 #include <string.h>
   3 #include <stdlib.h>
   4 #include <ctype.h>
   5 char *FCGI_URLDecode(char *buf);
   6
   7 int main() {
   8         while (FCGI_Accept() >= 0) {
   9                 char buf[BUFSIZ];
  10                 printf("Content-type: text/plain\r\n\r\n");
  11
  12
  13                 while(fgets(buf, BUFSIZ, stdin)) {
  14                         printf("POST (raw):\r\n");
  15                         printf("%s", buf);
  16                         printf("\r\nPOST (decoded):\r\n");
  17                         printf("%s", FCGI_URLDecode(buf));
  18                 }
  19
  20                 snprintf(buf, BUFSIZ, "%s", getenv("QUERY_STRING"));
  21                 printf("\r\nGET (raw):\r\n");
  22                 printf("%s", getenv("QUERY_STRING"));
  23
  24                 printf("\r\nGET (decoded):\r\n");
  25                 printf("%s", FCGI_URLDecode(buf));
  26         }
  27         return 0;
  28
  29 }
  30
  31 char *FCGI_URLDecode(char *buf) {
  32         char *head = buf, *tail = buf;
  33         char hex[3] = {0};
  34         while (*tail) {
  35                 if (*tail == '%') {
  36                         tail++;
  37                         if (isxdigit(*tail) && isxdigit(*(tail+1))) {
  38                                 hex[0] = *tail++;
  39                                 hex[1] = *tail++;
  40                                 *head++ = (char)strtol(hex, NULL, 16);
  41                         } else {
  42                                 head++;
  43                         }
  44                 } else if (*tail == '+') {
  45                         tail++;
  46                         *head++ = ' ';
  47                 } else {
  48                         *head++ = *tail++;
  49                 }
  50         }
  51         *head = 0;
  52         return buf;
  53 }