/*
* gpgwww.c - www interface to path finder.
- *
- * Jonathan McDowell <noodles@earth.li>
*
- * Copyright 2001-2002 Project Purple.
+ * Copyright 2001-2004 Jonathan McDowell <noodles@earth.li>
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 51
+ * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
-// #include <stdint.h>
#include <inttypes.h>
#include <stdio.h>
#include <stdlib.h>
+#include <string.h>
+#include "armor.h"
+#include "charfuncs.h"
+#include "cleanup.h"
#include "getcgi.h"
#include "hash.h"
#include "keydb.h"
+#include "log.h"
+#include "mem.h"
+#include "onak-conf.h"
+#include "parsekey.h"
#include "stats.h"
+#include "version.h"
-void dofindpath(uint64_t have, uint64_t want, bool html)
-{
- struct stats_key *keyinfoa, *keyinfob, *curkey;
- int rec;
- char *uid;
+#define OP_UNKNOWN 0
+#define OP_GET 1
- /*
- * Make sure the keys we have and want are in the cache.
- */
- hash_getkeysigs(have);
- hash_getkeysigs(want);
-
- if ((keyinfoa = findinhash(have)) == NULL) {
- printf("Couldn't find key 0x%llX.\n", have);
- return;
- }
- if ((keyinfob = findinhash(want)) == NULL) {
- printf("Couldn't find key 0x%llX.\n", want);
- return;
- }
-
- /*
- * Fill the tree info up.
- */
- initcolour(true);
- rec = findpath(keyinfoa, keyinfob);
- keyinfob->parent = 0;
-
- printf("%d nodes examined. %ld elements in the hash\n", rec,
- hashelements());
- if (keyinfoa->colour == 0) {
- printf("Can't find a link from 0x%llX to 0x%llX\n",
- have,
- want);
- } else {
- printf("%d steps from 0x%llX to 0x%llX\n",
- keyinfoa->colour, have, want);
- curkey = keyinfoa;
- while (curkey != NULL && curkey->keyid != 0) {
- uid = keyid2uid(curkey->keyid);
- if (html && uid == NULL) {
- printf("<a href=\"lookup?op=get&search=%llX\">"
- "0x%llX</a> ([User id not found])%s)%s\n",
- curkey->keyid,
- curkey->keyid,
- (curkey->keyid == want) ? "" :
- " signs");
- } else if (html && uid != NULL) {
- printf("<a href=\"lookup?op=get&search=%llX\">"
- "0x%llX</a> (<a href=\"lookup?op=vindex"
- "&search=0x%llX\">%s</a>)%s\n",
- curkey->keyid,
- curkey->keyid,
- curkey->keyid,
- txt2html(keyid2uid(curkey->keyid)),
- (curkey->keyid == want) ? "" :
- " signs");
- } else {
- printf("0x%llX (%s)%s\n",
- curkey->keyid,
- (uid == NULL) ? "[User id not found]" :
- uid,
- (curkey->keyid == want) ? "" :
- " signs");
- }
- curkey = findinhash(curkey->parent);
- }
- }
-}
-
-void parsecgistuff(char **cgiparams, uint64_t *from, uint64_t *to)
+int parsecgistuff(char **cgiparams, uint64_t *from, uint64_t *to)
{
int i = 0;
+ int op = OP_UNKNOWN;
if (cgiparams != NULL) {
i = 0;
*to = strtoul(cgiparams[i+1], NULL, 16);
} else if (!strcmp(cgiparams[i], "from")) {
*from = strtoul(cgiparams[i+1], NULL, 16);
+ } else if (!strcmp(cgiparams[i], "op")) {
+ if (!strcmp(cgiparams[i+1], "get")) {
+ op = OP_GET;
+ }
}
i += 2;
}
}
- return;
+ return op;
+}
+
+int getkeyspath(uint64_t have, uint64_t want, int count)
+{
+ struct openpgp_publickey *publickey = NULL;
+ struct openpgp_packet_list *packets = NULL;
+ struct openpgp_packet_list *list_end = NULL;
+ struct stats_key *keyinfoa, *keyinfob, *curkey;
+ uint64_t fullhave, fullwant;
+ int pathlen = 0;
+
+ fullhave = config.dbbackend->getfullkeyid(have);
+ fullwant = config.dbbackend->getfullkeyid(want);
+
+ /*
+ * Make sure the keys we have and want are in the cache.
+ */
+ config.dbbackend->cached_getkeysigs(fullhave);
+ config.dbbackend->cached_getkeysigs(fullwant);
+
+ if ((keyinfoa = findinhash(fullhave)) == NULL) {
+ return 1;
+ }
+ if ((keyinfob = findinhash(fullwant)) == NULL) {
+ return 1;
+ }
+
+ while ((!cleanup()) && (pathlen < count)) {
+ /*
+ * Fill the tree info up.
+ */
+ initcolour(true);
+ findpath(keyinfoa, keyinfob);
+ keyinfob->parent = 0;
+ if (keyinfoa->colour == 0) {
+ pathlen = count;
+ } else {
+ /*
+ * Skip the first key, as the remote user will already
+ * have it
+ */
+ curkey = findinhash(keyinfoa->parent);
+ while (curkey != NULL && curkey->keyid != 0) {
+ if (curkey->keyid != fullwant &&
+ config.dbbackend->fetch_key(
+ curkey->keyid,
+ &publickey, false)) {
+ flatten_publickey(publickey,
+ &packets,
+ &list_end);
+ free_publickey(publickey);
+ publickey = NULL;
+ }
+ if (curkey != keyinfoa && curkey != keyinfob) {
+ curkey->disabled = true;
+ }
+ curkey = findinhash(curkey->parent);
+ }
+ }
+ pathlen++;
+ }
+
+ /*
+ * Add the destination key to the list of returned keys.
+ */
+ if (config.dbbackend->fetch_key(fullwant, &publickey, false)) {
+ flatten_publickey(publickey,
+ &packets,
+ &list_end);
+ free_publickey(publickey);
+ publickey = NULL;
+ }
+
+ armor_openpgp_stream(stdout_putchar, NULL, packets);
+ free_packet_list(packets);
+ packets = list_end = NULL;
+
+ return 0;
}
int main(int argc, char *argv[])
{
- char **cgiparams = NULL; /* Our CGI parameter block */
- uint64_t from = 0, to = 0;
+ char **cgiparams = NULL; /* Our CGI parameter block */
+ uint64_t from = 0, to = 0;
+ int op = OP_UNKNOWN;
cgiparams = getcgivars(argc, argv);
- puts("Content-Type: text/html\n");
- puts("<HTML>");
- puts("<HEAD>");
- puts("<TITLE>Experimental PGP key path finder results</TITLE>");
- puts("</HEAD>");
- puts("<BODY>");
- puts("</BODY>");
- parsecgistuff(cgiparams, &from, &to);
+ op = parsecgistuff(cgiparams, &from, &to);
+
+ if (op != OP_GET) {
+ start_html("Experimental PGP key path finder results");
+ } else {
+ puts("Content-Type: text/plain\n");
+ }
if (from == 0 || to == 0) {
printf("Must pass from & to\n");
exit(1);
}
- printf("<P>Looking for path from 0x%llX to 0x%llX</P>\n", from, to);
- puts("<PRE>");
- initdb();
+ if (op != OP_GET) {
+ printf("<P>Looking for path from 0x%016" PRIX64" to 0x%016"
+ PRIX64 ".\n",
+ from, to);
+ printf("<A HREF=\"gpgwww?from=0x%016" PRIX64 "&to=0x%016" PRIX64
+ "\">Find reverse path</A>\n",
+ to,
+ from);
+ printf("<A HREF=\"gpgwww?from=0x%08" PRIX64 "&to=0x%08" PRIX64
+ "&op=get\">"
+ "Get all keys listed</A></P>\n",
+ from,
+ to);
+ }
+
+ readconfig(NULL);
+ initlogthing("gpgwww", config.logfile);
+ catchsignals();
+ config.dbbackend->initdb(true);
inithash();
- dofindpath(from, to, true);
- cleanupdb();
- puts("</PRE>");
+ logthing(LOGTHING_NOTICE, "Looking for path from 0x%016" PRIX64
+ " to 0x%016"
+ PRIX64,
+ from,
+ to);
+ if (op == OP_GET) {
+ getkeyspath(from, to, 3);
+ } else {
+ dofindpath(from, to, true, 3);
+ }
+ destroyhash();
+ config.dbbackend->cleanupdb();
+ cleanuplogthing();
+ cleanupconfig();
+
+ if (op != OP_GET) {
+ puts("<HR>");
+ puts("Produced by gpgwww " ONAK_VERSION ", part of onak. ");
+ end_html();
+ }
- puts("<HR>");
- puts("Produced by gpgwww 0.0.1, part of onak. <A HREF=\"mailto:noodles-onak@earth.li\">Jonathan McDowell</A>");
- puts("</HTML>");
+ cleanupcgi(cgiparams);
+ cgiparams = NULL;
return EXIT_SUCCESS;
}
projects / onak.git / blobdiff