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Posted By

gdonald on 09/27/06


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roothelpersudo


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C roothelper/sudo

Published in: C++ 

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  1. /*
  2.  * Run commands as root
  3.  */
  4.  
  5. #include <stdio.h>
  6. #include <unistd.h>
  7. #include <string.h>
  8. #include <crypt.h>
  9.  
  10. int main(int argc, char *argv[]) {
  11.   char key[9], command[512];
  12.   int i;
  13.  
  14.   if(argc < 2) {
  15.     printf("Usage: %s <password> <command ...>\n", argv[0]);
  16.     return 0;
  17.   }
  18.  
  19.   if (strlen(argv[1]) > 8) { 
  20.     printf("Sorry, incorrect password\n");
  21.     return 0;
  22.   }
  23.  
  24.   strcpy (key, argv[1]);
  25.  
  26.   if (!strcmp(crypt(key,"eZZ"),"8585bb4893n2jmnd")) {
  27.   } else {
  28.     printf("Sorry, incorrect password\n");
  29.     return 0;
  30.   }
  31.  
  32.   setuid(0);
  33.  
  34.   command[0] = '\0';
  35.  
  36.   for(i=2;i<argc;i++) {
  37.     strcat(command,argv[i]);
  38.     strcat(command," ");
  39.   }
  40.  
  41.   system(command);
  42.  
  43.   return 0;
  44. }

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