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 "log.h"
  21 #include "mem.h"
  22 #include "onak-conf.h"
  23 #include "parsekey.h"
  24
  25 #define OP_UNKNOWN 0
  26 #define OP_GET     1
  27 #define OP_INDEX   2
  28 #define OP_VINDEX  3
  29
  30 int putnextchar(void *ctx, size_t count, unsigned char *c)
  31 {
  32         return printf("%.*s", (int) count, c);
  33 }
  34
  35 void find_keys(char *search, uint64_t keyid, bool ishex,
  36                 bool fingerprint, bool exact, bool verbose)
  37 {
  38         struct openpgp_publickey *publickey = NULL;
  39         int count = 0;
  40
  41         if (ishex) {
  42                 count = fetch_key(keyid, &publickey, false);
  43         } else {
  44                 count = fetch_key_text(search, &publickey);
  45         }
  46         if (publickey != NULL) {
  47                 key_index(publickey, verbose, fingerprint, true);
  48                 free_publickey(publickey);
  49         } else if (count == 0) {
  50                 puts("Key not found.");
  51         } else {
  52                 printf("Found %d keys, but maximum number to return is %d.\n",
  53                                 count,
  54                                 config.maxkeys);
  55                 puts("Try again with a more specific search.");
  56         }
  57 }
  58
  59 int main(int argc, char *argv[])
  60 {
  61         char **params = NULL;
  62         int op = OP_UNKNOWN;
  63         int i;
  64         bool fingerprint = false;
  65         bool exact = false;
  66         bool ishex = false;
  67         uint64_t keyid = 0;
  68         char *search = NULL;
  69         char *end = NULL;
  70         struct openpgp_publickey *publickey = NULL;
  71         struct openpgp_packet_list *packets = NULL;
  72         struct openpgp_packet_list *list_end = NULL;
  73
  74         params = getcgivars(argc, argv);
  75         for (i = 0; params != NULL && params[i] != NULL; i += 2) {
  76                 if (!strcmp(params[i], "op")) {
  77                         if (!strcmp(params[i+1], "get")) {
  78                                 op = OP_GET;
  79                         } else if (!strcmp(params[i+1], "index")) {
  80                                 op = OP_INDEX;
  81                         } else if (!strcmp(params[i+1], "vindex")) {
  82                                 op = OP_VINDEX;
  83                         }
  84                 } else if (!strcmp(params[i], "search")) {
  85                         search = params[i+1];
  86                         params[i+1] = NULL;
  87                         if (search != NULL) {
  88                                 keyid = strtoul(search, &end, 16);
  89                                 if (*search != 0 &&
  90                                                 end != NULL &&
  91                                                 *end == 0) {
  92                                         ishex = true;
  93                                 }
  94                         }
  95                 } else if (!strcmp(params[i], "fingerprint")) {
  96                         if (!strcmp(params[i+1], "on")) {
  97                                 fingerprint = true;
  98                         }
  99                 } else if (!strcmp(params[i], "exact")) {
 100                         if (!strcmp(params[i+1], "on")) {
 101                                 exact = true;
 102                         }
 103                 }
 104                 free(params[i]);
 105                 params[i] = NULL;
 106                 if (params[i+1] != NULL) {
 107                         free(params[i+1]);
 108                         params[i+1] = NULL;
 109                 }
 110         }
 111         if (params != NULL) {
 112                 free(params);
 113                 params = NULL;
 114         }
 115
 116         start_html("Lookup of key");
 117
 118         if (op == OP_UNKNOWN) {
 119                 puts("Error: No operation supplied.");
 120         } else if (search == NULL) {
 121                 puts("Error: No key to search for supplied.");
 122         } else {
 123                 readconfig();
 124                 initlogthing("lookup", config.logfile);
 125                 initdb();
 126                 switch (op) {
 127                 case OP_GET:
 128                         if (fetch_key(keyid, &publickey, false)) {
 129                                 puts("<pre>");
 130                                 flatten_publickey(publickey,
 131                                                         &packets,
 132                                                         &list_end);
 133                                 armor_openpgp_stream(putnextchar,
 134                                                 NULL,
 135                                                 packets);
 136                                 puts("</pre>");
 137                         } else {
 138                                 puts("Key not found");
 139                         }
 140                         break;
 141                 case OP_INDEX:
 142                         find_keys(search, keyid, ishex, fingerprint, exact,
 143                                         false);
 144                         break;
 145                 case OP_VINDEX:
 146                         find_keys(search, keyid, ishex, fingerprint, exact,
 147                                         true);
 148                         break;
 149                 default:
 150                         puts("Unknown operation!");
 151                 }
 152                 cleanupdb();
 153                 cleanuplogthing();
 154                 cleanupconfig();
 155         }
 156         puts("<hr>");
 157         puts("Produced by onak " VERSION " by Jonathan McDowell");
 158         end_html();
 159
 160         if (search != NULL) {
 161                 free(search);
 162                 search = NULL;
 163         }
 164
 165         return (EXIT_SUCCESS);
 166 }