--- /dev/null
+/*
+ * lookup.c - CGI to lookup keys.
+ *
+ * Copyright 2002-2005,2007-2009,2011 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, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <inttypes.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "build-config.h"
+
+#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"
+
+#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(struct onak_dbctx *dbctx,
+ char *search, uint64_t keyid,
+ struct openpgp_fingerprint *fingerprint,
+ bool ishex, bool isfp, bool dispfp, bool skshash,
+ bool exact, bool verbose, bool mrhkp)
+{
+ struct openpgp_publickey *publickey = NULL;
+ int count = 0;
+
+ if (ishex) {
+ count = dbctx->fetch_key_id(dbctx, keyid, &publickey,
+ false);
+ } else if (isfp) {
+ count = dbctx->fetch_key_fp(dbctx, fingerprint, &publickey,
+ false);
+ } else {
+ count = dbctx->fetch_key_text(dbctx, search, &publickey);
+ }
+ if (publickey != NULL) {
+ if (mrhkp) {
+ printf("info:1:%d\n", count);
+ mrkey_index(publickey);
+ } else {
+ key_index(dbctx, publickey, verbose, dispfp,
+ 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.");
+ }
+ }
+}
+
+static uint8_t hex2bin(char c)
+{
+ if (c >= '0' && c <= '9') {
+ return (c - '0');
+ } else if (c >= 'a' && c <= 'f') {
+ return (c - 'a' + 10);
+ } else if (c >= 'A' && c <= 'F') {
+ return (c - 'A' + 10);
+ }
+
+ return 255;
+}
+
+int main(int argc, char *argv[])
+{
+ char **params = NULL;
+ int op = OP_UNKNOWN;
+ int i, j;
+ int indx = 0;
+ bool dispfp = false;
+ bool skshash = false;
+ bool exact = false;
+ bool ishex = false;
+ bool isfp = false;
+ bool mrhkp = false;
+ uint64_t keyid = 0;
+ struct openpgp_fingerprint fingerprint;
+ 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;
+ struct onak_dbctx *dbctx;
+
+ 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') {
+ /* v4 fingerprint */
+ fingerprint.length = 20;
+ for (j = 0; j < 20; j++) {
+ fingerprint.fp[j] = (hex2bin(
+ search[2 + j * 2])
+ << 4) +
+ hex2bin(search[3 + j * 2]);
+ }
+ isfp = true;
+ } else if (search != NULL && strlen(search) == 66 &&
+ search[0] == '0' && search[1] == 'x') {
+ /* v5 fingerprint */
+ fingerprint.length = 32;
+ for (j = 0; j < 32; j++) {
+ fingerprint.fp[j] = (hex2bin(
+ search[2 + j * 2])
+ << 4) +
+ hex2bin(search[3 + j * 2]);
+ }
+ isfp = 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")) {
+ dispfp = 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();
+ dbctx = config.dbinit(config.backend, false);
+ switch (op) {
+ case OP_GET:
+ case OP_HGET:
+ if (op == OP_HGET) {
+ parse_skshash(search, &hash);
+ result = dbctx->fetch_key_skshash(dbctx,
+ &hash, &publickey);
+ } else if (ishex) {
+ result = dbctx->fetch_key_id(dbctx, keyid,
+ &publickey, false);
+ } else if (isfp) {
+ result = dbctx->fetch_key_fp(dbctx,
+ &fingerprint, &publickey, false);
+ } else {
+ result = dbctx->fetch_key_text(dbctx,
+ search,
+ &publickey);
+ }
+ if (result) {
+ logthing(LOGTHING_NOTICE,
+ "Found %d key(s) for search %s",
+ result,
+ search);
+ puts("<pre>");
+ cleankeys(&publickey, config.clean_policies);
+ flatten_publickey(publickey,
+ &packets,
+ &list_end);
+ armor_openpgp_stream(stdout_putchar,
+ NULL,
+ packets);
+ puts("</pre>");
+ } else {
+ logthing(LOGTHING_NOTICE,
+ "Failed to find key for search %s",
+ search);
+ puts("Key not found");
+ }
+ break;
+ case OP_INDEX:
+ find_keys(dbctx, search, keyid, &fingerprint,
+ ishex, isfp, dispfp, skshash,
+ exact, false, mrhkp);
+ break;
+ case OP_VINDEX:
+ find_keys(dbctx, search, keyid, &fingerprint,
+ ishex, isfp, dispfp, skshash,
+ exact, true, mrhkp);
+ break;
+ case OP_PHOTO:
+ if (isfp) {
+ dbctx->fetch_key_fp(dbctx, &fingerprint,
+ &publickey, false);
+ } else {
+ dbctx->fetch_key_id(dbctx, keyid,
+ &publickey, false);
+ }
+ if (publickey != NULL) {
+ 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!");
+ }
+ dbctx->cleanupdb(dbctx);
+ cleanuplogthing();
+ cleanupconfig();
+ }
+ if (!mrhkp) {
+ puts("<hr>");
+ puts("Produced by onak " ONAK_VERSION );
+ end_html();
+ }
+
+ if (search != NULL) {
+ free(search);
+ search = NULL;
+ }
+
+ return (EXIT_SUCCESS);
+}
projects / onak.git / blobdiff