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", 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                         if (search != NULL) {
  86                                 keyid = strtoul(search, &end, 16);
  87                                 if (*search != 0 &&
  88                                                 end != NULL &&
  89                                                 *end == 0) {
  90                                         ishex = true;
  91                                 }
  92                         }
  93                 } else if (!strcmp(params[i], "fingerprint")) {
  94                         if (!strcmp(params[i+1], "on")) {
  95                                 fingerprint = true;
  96                         }
  97                 } else if (!strcmp(params[i], "exact")) {
  98                         if (!strcmp(params[i+1], "on")) {
  99                                 exact = true;
 100                         }
 101                 }
 102         }
 103
 104 //      puts("HTTP/1.0 200 OK");
 105 //      puts("Server: onak 0.0.1");
 106         puts("Content-Type: text/html\n");
 107         puts("<html>\n<title>Lookup of key</title>");
 108         puts("<body>");
 109
 110         if (op == OP_UNKNOWN) {
 111                 puts("Error: No operation supplied.");
 112         } else if (search == NULL) {
 113                 puts("Error: No key to search for supplied.");
 114         } else {
 115                 initdb();
 116                 switch (op) {
 117                 case OP_GET:
 118                         if (fetch_key(keyid, &publickey, false)) {
 119                                 puts("<pre>");
 120                                 flatten_publickey(publickey,
 121                                                         &packets,
 122                                                         &list_end);
 123                                 armor_openpgp_stream(putnextchar,
 124                                                 NULL,
 125                                                 packets);
 126                                 puts("</pre>");
 127                         } else {
 128                                 puts("Key not found");
 129                         }
 130                         break;
 131                 case OP_INDEX:
 132                         find_keys(search, keyid, ishex, fingerprint, exact,
 133                                         false);
 134                         break;
 135                 case OP_VINDEX:
 136                         find_keys(search, keyid, ishex, fingerprint, exact,
 137                                         true);
 138                         break;
 139                 default:
 140                         puts("Unknown operation!");
 141                 }
 142                 cleanupdb();
 143         }
 144         puts("<hr>");
 145         puts("Produced by onak " VERSION " by Jonathan McDowell");
 146         puts("</body>\n</html>");
 147         return (EXIT_SUCCESS);
 148 }