* Jonathan McDowell <noodles@earth.li>
*
* Copyright 2001-2002 Project Purple.
- *
- * $Id: gpgwww.c,v 1.10 2003/06/04 20:57:08 noodles Exp $
*/
-// #include <stdint.h>
#include <inttypes.h>
#include <stdio.h>
#include <stdlib.h>
+#include <string.h>
+#include "armor.h"
+#include "charfuncs.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"
-void parsecgistuff(char **cgiparams, uint64_t *from, uint64_t *to)
+#define OP_UNKNOWN 0
+#define OP_GET 1
+
+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 rec;
+ int pathlen = 0;
+
+ fullhave = getfullkeyid(have);
+ fullwant = getfullkeyid(want);
+
+ /*
+ * Make sure the keys we have and want are in the cache.
+ */
+ cached_getkeysigs(fullhave);
+ cached_getkeysigs(fullwant);
+
+ if ((keyinfoa = findinhash(fullhave)) == NULL) {
+ return 1;
+ }
+ if ((keyinfob = findinhash(fullwant)) == NULL) {
+ return 1;
+ }
+
+ while (pathlen < count) {
+ /*
+ * Fill the tree info up.
+ */
+ initcolour(true);
+ rec = 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 && 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 (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);
- start_html("Experimental PGP key path finder results");
- 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.\n", from, to);
- printf("<A HREF=\"gpgwww?from=0x%08llX&to=0x%08llX\">"
- "Find reverse path</A></P>\n",
- to,
- from);
+ if (op != OP_GET) {
+ printf("<P>Looking for path from 0x%llX to 0x%llX.\n",
+ from, to);
+ printf("<A HREF=\"gpgwww?from=0x%08llX&to=0x%08llX\">"
+ "Find reverse path</A>\n",
+ to,
+ from);
+ printf("<A HREF=\"gpgwww?from=0x%08llX&to=0x%08llX&op=get\">"
+ "Get all keys listed</A></P>\n",
+ from,
+ to);
+ }
- readconfig();
+ readconfig(NULL);
initlogthing("gpgwww", config.logfile);
- initdb();
+ initdb(true);
inithash();
- dofindpath(from, to, true, 3);
+ logthing(LOGTHING_NOTICE, "Looking for path from 0x%llX to 0x%llX.",
+ from,
+ to);
+ if (op == OP_GET) {
+ getkeyspath(from, to, 3);
+ } else {
+ dofindpath(from, to, true, 3);
+ }
destroyhash();
cleanupdb();
cleanuplogthing();
cleanupconfig();
- puts("<HR>");
- puts("Produced by gpgwww " VERSION ", part of onak. "
- "<A HREF=\"mailto:noodles-onak@earth.li\">"
- "Jonathan McDowell</A>");
- end_html();
+ if (op != OP_GET) {
+ puts("<HR>");
+ puts("Produced by gpgwww " VERSION ", part of onak. "
+ "<A HREF=\"mailto:noodles-onak@earth.li\">"
+ "Jonathan McDowell</A>");
+ end_html();
+ }
cleanupcgi(cgiparams);
cgiparams = NULL;