lookup.c

   1 /*
   2  * lookup.c - CGI to lookup keys.
   3  *
   4  * Jonathan McDowell <noodles@earth.li>
   5  *
   6  * Copyright 2002 Project Purple
   7  */
   8
   9 //#include <stdint.h>
  10 #include <inttypes.h>
  11 #include <stdbool.h>
  12 #include <stdio.h>
  13 #include <stdlib.h>
  14 #include <unistd.h>
  15
  16 #include "armor.h"
  17 #include "getcgi.h"
  18 #include "keydb.h"
  19 #include "keyindex.h"
  20 #include "mem.h"
  21 #include "onak-conf.h"
  22 #include "parsekey.h"
  23
  24 #define OP_UNKNOWN 0
  25 #define OP_GET     1
  26 #define OP_INDEX   2
  27 #define OP_VINDEX  3
  28
  29 int putnextchar(void *ctx, size_t count, unsigned char *c)
  30 {
  31         return printf("%.*s", (int) count, c);
  32 }
  33
  34 void find_keys(char *search, uint64_t keyid, bool ishex,
  35                 bool fingerprint, bool exact, bool verbose)
  36 {
  37         struct openpgp_publickey *publickey = NULL;
  38         int count = 0;
  39
  40         if (ishex) {
  41                 count = fetch_key(keyid, &publickey, false);
  42         } else {
  43                 count = fetch_key_text(search, &publickey);
  44         }
  45         if (publickey != NULL) {
  46                 key_index(publickey, verbose, fingerprint, true);
  47                 free_publickey(publickey);
  48         } else if (count == 0) {
  49                 puts("Key not found.");
  50         } else {
  51                 printf("Found %d keys, but maximum number to return is %d.\n",
  52                                 count,
  53                                 config.maxkeys);
  54                 puts("Try again with a more specific search.");
  55         }
  56 }
  57
  58 int main(int argc, char *argv[])
  59 {
  60         char **params = NULL;
  61         int op = OP_UNKNOWN;
  62         int i;
  63         bool fingerprint = false;
  64         bool exact = false;
  65         bool ishex = false;
  66         uint64_t keyid = 0;
  67         char *search = NULL;
  68         char *end = NULL;
  69         struct openpgp_publickey *publickey = NULL;
  70         struct openpgp_packet_list *packets = NULL;
  71         struct openpgp_packet_list *list_end = NULL;
  72
  73         params = getcgivars(argc, argv);
  74         for (i = 0; params != NULL && params[i] != NULL; i += 2) {
  75                 if (!strcmp(params[i], "op")) {
  76                         if (!strcmp(params[i+1], "get")) {
  77                                 op = OP_GET;
  78                         } else if (!strcmp(params[i+1], "index")) {
  79                                 op = OP_INDEX;
  80                         } else if (!strcmp(params[i+1], "vindex")) {
  81                                 op = OP_VINDEX;
  82                         }
  83                 } else if (!strcmp(params[i], "search")) {
  84                         search = params[i+1];
  85                         params[i+1] = NULL;
  86                         if (search != NULL) {
  87                                 keyid = strtoul(search, &end, 16);
  88                                 if (*search != 0 &&
  89                                                 end != NULL &&
  90                                                 *end == 0) {
  91                                         ishex = true;
  92                                 }
  93                         }
  94                 } else if (!strcmp(params[i], "fingerprint")) {
  95                         if (!strcmp(params[i+1], "on")) {
  96                                 fingerprint = true;
  97                         }
  98                 } else if (!strcmp(params[i], "exact")) {
  99                         if (!strcmp(params[i+1], "on")) {
 100                                 exact = true;
 101                         }
 102                 }
 103                 free(params[i]);
 104                 params[i] = NULL;
 105                 if (params[i+1] != NULL) {
 106                         free(params[i+1]);
 107                         params[i+1] = NULL;
 108                 }
 109         }
 110         if (params != NULL) {
 111                 free(params);
 112                 params = NULL;
 113         }
 114
 115         start_html("Lookup of key");
 116
 117         if (op == OP_UNKNOWN) {
 118                 puts("Error: No operation supplied.");
 119         } else if (search == NULL) {
 120                 puts("Error: No key to search for supplied.");
 121         } else {
 122                 initdb();
 123                 switch (op) {
 124                 case OP_GET:
 125                         if (fetch_key(keyid, &publickey, false)) {
 126                                 puts("<pre>");
 127                                 flatten_publickey(publickey,
 128                                                         &packets,
 129                                                         &list_end);
 130                                 armor_openpgp_stream(putnextchar,
 131                                                 NULL,
 132                                                 packets);
 133                                 puts("</pre>");
 134                         } else {
 135                                 puts("Key not found");
 136                         }
 137                         break;
 138                 case OP_INDEX:
 139                         find_keys(search, keyid, ishex, fingerprint, exact,
 140                                         false);
 141                         break;
 142                 case OP_VINDEX:
 143                         find_keys(search, keyid, ishex, fingerprint, exact,
 144                                         true);
 145                         break;
 146                 default:
 147                         puts("Unknown operation!");
 148                 }
 149                 cleanupdb();
 150         }
 151         puts("<hr>");
 152         puts("Produced by onak " VERSION " by Jonathan McDowell");
 153         end_html();
 154
 155         if (search != NULL) {
 156                 free(search);
 157                 search = NULL;
 158         }
 159
 160         return (EXIT_SUCCESS);
 161 }