gpgwww.c

   1 /*
   2  * gpgwww.c - www interface to path finder.
   3  *
   4  * Jonathan McDowell <noodles@earth.li>
   5  *
   6  * Copyright 2001-2002 Project Purple.
   7  */
   8
   9 // #include <stdint.h>
  10 #include <inttypes.h>
  11 #include <stdio.h>
  12 #include <stdlib.h>
  13
  14 #include "getcgi.h"
  15 #include "hash.h"
  16 #include "keydb.h"
  17 #include "onak_conf.h"
  18 #include "stats.h"
  19
  20 void dofindpath(uint64_t have, uint64_t want, bool html)
  21 {
  22         struct stats_key *keyinfoa, *keyinfob, *curkey;
  23         int rec;
  24         char *uid;
  25
  26         /*
  27          * Make sure the keys we have and want are in the cache.
  28          */
  29         hash_getkeysigs(have);
  30         hash_getkeysigs(want);
  31
  32         if ((keyinfoa = findinhash(have)) == NULL) {
  33                 printf("Couldn't find key 0x%llX.\n", have);
  34                 return;
  35         }
  36         if ((keyinfob = findinhash(want)) == NULL) {
  37                 printf("Couldn't find key 0x%llX.\n", want);
  38                 return;
  39         }
  40
  41         /*
  42          * Fill the tree info up.
  43          */
  44         initcolour(true);
  45         rec = findpath(keyinfoa, keyinfob);
  46         keyinfob->parent = 0;
  47
  48         printf("%d nodes examined. %ld elements in the hash\n", rec,
  49                         hashelements());
  50         if (keyinfoa->colour == 0) {
  51                 printf("Can't find a link from 0x%llX to 0x%llX\n",
  52                                 have,
  53                                 want);
  54         } else {
  55                 printf("%d steps from 0x%llX to 0x%llX\n",
  56                                 keyinfoa->colour, have, want);
  57                 curkey = keyinfoa;
  58                 while (curkey != NULL && curkey->keyid != 0) {
  59                         uid = keyid2uid(curkey->keyid);
  60                         if (html && uid == NULL) {
  61                                 printf("<a href=\"lookup?op=get&search=%llX\">"
  62                                         "0x%llX</a> ([User id not found])%s)%s\n",
  63                                         curkey->keyid,
  64                                         curkey->keyid,
  65                                         (curkey->keyid == want) ? "" :
  66                                          " signs");
  67                         } else if (html && uid != NULL) {
  68                                 printf("<a href=\"lookup?op=get&search=%llX\">"
  69                                         "0x%llX</a> (<a href=\"lookup?op=vindex"
  70                                         "&search=0x%llX\">%s</a>)%s\n",
  71                                         curkey->keyid,
  72                                         curkey->keyid,
  73                                         curkey->keyid,
  74                                         txt2html(keyid2uid(curkey->keyid)),
  75                                         (curkey->keyid == want) ? "" :
  76                                          " signs");
  77                         } else {
  78                                 printf("0x%llX (%s)%s\n",
  79                                         curkey->keyid,
  80                                         (uid == NULL) ? "[User id not found]" :
  81                                                 uid,
  82                                         (curkey->keyid == want) ? "" :
  83                                          " signs");
  84                         }
  85                         curkey = findinhash(curkey->parent);
  86                 }
  87         }
  88 }
  89
  90 void parsecgistuff(char **cgiparams, uint64_t *from, uint64_t *to)
  91 {
  92         int i = 0;
  93
  94         if (cgiparams != NULL) {
  95                 i = 0;
  96                 while (cgiparams[i] != NULL) {
  97                         if (!strcmp(cgiparams[i], "to")) {
  98                                 *to = strtoul(cgiparams[i+1], NULL, 16);
  99                         } else if (!strcmp(cgiparams[i], "from")) {
 100                                 *from = strtoul(cgiparams[i+1], NULL, 16);
 101                         }
 102                         i += 2;
 103                 }
 104         }
 105
 106         return;
 107 }
 108
 109 int main(int argc, char *argv[])
 110 {
 111         char **cgiparams = NULL;        /* Our CGI parameter block */
 112         uint64_t from = 0, to = 0;
 113
 114         cgiparams = getcgivars(argc, argv);
 115
 116         puts("Content-Type: text/html\n");
 117         puts("<HTML>");
 118         puts("<HEAD>");
 119         puts("<TITLE>Experimental PGP key path finder results</TITLE>");
 120         puts("</HEAD>");
 121         puts("<BODY>");
 122         puts("</BODY>");
 123
 124         parsecgistuff(cgiparams, &from, &to);
 125
 126         if (from == 0 || to == 0) {
 127                 printf("Must pass from & to\n");
 128                 puts("</HTML>");
 129                 exit(1);
 130         }
 131
 132         printf("<P>Looking for path from 0x%llX to 0x%llX</P>\n", from, to);
 133         puts("<PRE>");
 134         initdb();
 135         inithash();
 136         dofindpath(from, to, true);
 137         cleanupdb();
 138         puts("</PRE>");
 139
 140         puts("<HR>");
 141         puts("Produced by gpgwww " VERSION ", part of onak. <A HREF=\"mailto:noodles-onak@earth.li\">Jonathan McDowell</A>");
 142         puts("</HTML>");
 143
 144         return EXIT_SUCCESS;
 145 }