src/node_revert.cc

   1 #include "node_revert.h"
   2 #include <stdio.h>
   3 #include <string.h>
   4
   5 namespace node {
   6
   7 unsigned int reverted = 0;
   8
   9 const char* RevertMessage(const unsigned int cve) {
  10 #define V(code, label, msg) case REVERT_ ## code: return label ": " msg;
  11   switch (cve) {
  12     REVERSIONS(V)
  13     default:
  14       return "Unknown";
  15   }
  16 #undef V
  17 }
  18
  19 void Revert(const unsigned int cve) {
  20   reverted |= 1 << cve;
  21   printf("SECURITY WARNING: Reverting %s\n", RevertMessage(cve));
  22 }
  23
  24 void Revert(const char* cve) {
  25 #define V(code, label, _)                                                     \
  26   do {                                                                        \
  27     if (strcmp(cve, label) == 0) {                                            \
  28       Revert(REVERT_ ## code);                                                \
  29       return;                                                                 \
  30     }                                                                         \
  31   } while (0);
  32   REVERSIONS(V)
  33 #undef V
  34   printf("Error: Attempt to revert an unknown CVE [%s]\n", cve);
  35   exit(12);
  36 }
  37
  38 bool IsReverted(const unsigned int cve) {
  39   return reverted & (1 << cve);
  40 }
  41
  42 bool IsReverted(const char * cve) {
  43 #define V(code, label, _)                                                     \
  44   do {                                                                        \
  45     if (strcmp(cve, label) == 0)                                              \
  46       return IsReverted(REVERT_ ## code);                                    \
  47   } while (0);
  48   REVERSIONS(V)
  49   return false;
  50 #undef V
  51 }
  52
  53 }  // namespace node