/* * lookup.c - CGI to lookup keys. * * Copyright 2002-2005,2007-2009,2011 Jonathan McDowell * * 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 #include #include #include #include #include #include "armor.h" #include "charfuncs.h" #include "cleankey.h" #include "cleanup.h" #include "getcgi.h" #include "keydb.h" #include "keyid.h" #include "keyindex.h" #include "log.h" #include "mem.h" #include "onak-conf.h" #include "parsekey.h" #include "photoid.h" #include "version.h" #define OP_UNKNOWN 0 #define OP_GET 1 #define OP_INDEX 2 #define OP_VINDEX 3 #define OP_PHOTO 4 #define OP_HGET 5 void find_keys(char *search, uint64_t keyid, bool ishex, bool fingerprint, bool skshash, bool exact, bool verbose, bool mrhkp) { struct openpgp_publickey *publickey = NULL; int count = 0; if (ishex) { count = config.dbbackend->fetch_key(keyid, &publickey, false); } else { count = config.dbbackend->fetch_key_text(search, &publickey); } if (publickey != NULL) { if (mrhkp) { printf("info:1:%d\n", count); mrkey_index(publickey); } else { key_index(publickey, verbose, fingerprint, skshash, true); } free_publickey(publickey); } else if (count == 0) { if (mrhkp) { puts("info:1:0"); } else { puts("Key not found."); } } else { if (mrhkp) { puts("info:1:0"); } else { printf("Found %d keys, but maximum number to return" " is %d.\n", count, config.maxkeys); puts("Try again with a more specific search."); } } } int main(int argc, char *argv[]) { char **params = NULL; int op = OP_UNKNOWN; int i; int indx = 0; bool fingerprint = false; bool skshash = false; bool exact = false; bool ishex = false; bool mrhkp = false; uint64_t keyid = 0; char *search = NULL; char *end = NULL; struct openpgp_publickey *publickey = NULL; struct openpgp_packet_list *packets = NULL; struct openpgp_packet_list *list_end = NULL; int result; struct skshash hash; params = getcgivars(argc, argv); for (i = 0; params != NULL && params[i] != NULL; i += 2) { if (!strcmp(params[i], "op")) { if (!strcmp(params[i+1], "get")) { op = OP_GET; } else if (!strcmp(params[i+1], "hget")) { op = OP_HGET; } else if (!strcmp(params[i+1], "index")) { op = OP_INDEX; } else if (!strcmp(params[i+1], "vindex")) { op = OP_VINDEX; } else if (!strcmp(params[i+1], "photo")) { op = OP_PHOTO; } } else if (!strcmp(params[i], "search")) { search = params[i+1]; params[i+1] = NULL; if (search != NULL && strlen(search) == 42 && search[0] == '0' && search[1] == 'x') { /* * Fingerprint. Truncate to last 64 bits for * now. */ keyid = strtoull(&search[26], &end, 16); if (end != NULL && *end == 0) { ishex = true; } } else if (search != NULL) { keyid = strtoull(search, &end, 16); if (*search != 0 && end != NULL && *end == 0) { ishex = true; } } } else if (!strcmp(params[i], "idx")) { indx = atoi(params[i+1]); } else if (!strcmp(params[i], "fingerprint")) { if (!strcmp(params[i+1], "on")) { fingerprint = true; } } else if (!strcmp(params[i], "hash")) { if (!strcmp(params[i+1], "on")) { skshash = true; } } else if (!strcmp(params[i], "exact")) { if (!strcmp(params[i+1], "on")) { exact = true; } } else if (!strcmp(params[i], "options")) { /* * TODO: We should be smarter about this; options may * have several entries. For now mr is the only valid * one though. */ if (!strcmp(params[i+1], "mr")) { mrhkp = true; } } free(params[i]); params[i] = NULL; if (params[i+1] != NULL) { free(params[i+1]); params[i+1] = NULL; } } if (params != NULL) { free(params); params = NULL; } if (mrhkp) { puts("Content-Type: text/plain\n"); } else if (op == OP_PHOTO) { puts("Content-Type: image/jpeg\n"); } else { start_html("Lookup of key"); } if (op == OP_UNKNOWN) { puts("Error: No operation supplied."); } else if (search == NULL) { puts("Error: No key to search for supplied."); } else { readconfig(NULL); initlogthing("lookup", config.logfile); catchsignals(); config.dbbackend->initdb(false); switch (op) { case OP_GET: case OP_HGET: if (op == OP_HGET) { parse_skshash(search, &hash); result = config.dbbackend->fetch_key_skshash( &hash, &publickey); } else if (ishex) { result = config.dbbackend->fetch_key(keyid, &publickey, false); } else { result = config.dbbackend->fetch_key_text( search, &publickey); } if (result) { logthing(LOGTHING_NOTICE, "Found %d key(s) for search %s", result, search); puts("
");
				cleankeys(publickey);
				flatten_publickey(publickey,
							&packets,
							&list_end);
				armor_openpgp_stream(stdout_putchar,
						NULL,
						packets);
				puts("
"); } else { logthing(LOGTHING_NOTICE, "Failed to find key for search %s", search); puts("Key not found"); } break; case OP_INDEX: find_keys(search, keyid, ishex, fingerprint, skshash, exact, false, mrhkp); break; case OP_VINDEX: find_keys(search, keyid, ishex, fingerprint, skshash, exact, true, mrhkp); break; case OP_PHOTO: if (config.dbbackend->fetch_key(keyid, &publickey, false)) { unsigned char *photo = NULL; size_t length = 0; if (getphoto(publickey, indx, &photo, &length) == ONAK_E_OK) { fwrite(photo, 1, length, stdout); } free_publickey(publickey); publickey = NULL; } break; default: puts("Unknown operation!"); } config.dbbackend->cleanupdb(); cleanuplogthing(); cleanupconfig(); } if (!mrhkp) { puts("
"); puts("Produced by onak " ONAK_VERSION ); end_html(); } if (search != NULL) { free(search); search = NULL; } return (EXIT_SUCCESS); }