2 * hashquery.c - CGI to handle SKS style /pks/hashquery requests
4 * Copyright 2011 Jonathan McDowell <noodles@earth.li>
6 * This program is free software: you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the Free
8 * Software Foundation; version 2 of the License.
10 * This program is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 * You should have received a copy of the GNU General Public License along with
16 * this program; if not, write to the Free Software Foundation, Inc., 51
17 * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
27 #include "charfuncs.h"
33 #include "onak-conf.h"
35 void doerror(char *error)
37 printf("Content-Type: text/plain\n\n");
44 int main(int argc, char *argv[])
49 struct buffer_ctx cgipostbuf;
50 struct openpgp_publickey **keys;
51 struct onak_dbctx *dbctx;
54 initlogthing("hashquery", config.logfile);
56 request_method = getenv("REQUEST_METHOD");
57 if (request_method == NULL || strcmp(request_method, "POST") != 0) {
58 doerror("hashquery must be a HTTP POST request.\n");
61 if (!(cgipostbuf.size = atoi(getenv("CONTENT_LENGTH")))) {
62 doerror("Must provide a content length.\n");
65 cgipostbuf.offset = 0;
66 cgipostbuf.buffer = malloc(cgipostbuf.size);
67 if (cgipostbuf.buffer == NULL) {
68 doerror("Couldn't allocate memory for query content.\n");
71 if (!fread(cgipostbuf.buffer, cgipostbuf.size, 1, stdin)) {
72 doerror("Couldn't read query.\n");
75 hashes = (uint8_t **) unmarshal_array(buffer_fetchchar, &cgipostbuf,
76 (void * (*)(int (*)(void *, size_t, void *), void *))
77 unmarshal_skshash, &count);
79 free(cgipostbuf.buffer);
80 cgipostbuf.buffer = NULL;
81 cgipostbuf.size = cgipostbuf.offset = 0;
84 doerror("No hashes supplied.\n");
88 keys = calloc(sizeof(struct openpgp_publickey *), count);
90 doerror("Couldn't allocate memory for reply.\n");
94 dbctx = config.dbinit(config.backend, false);
96 if (dbctx->fetch_key_skshash == NULL) {
97 dbctx->cleanupdb(dbctx);
98 doerror("Can't fetch by skshash with this backend.");
101 for (i = 0; i < count; i++) {
102 dbctx->fetch_key_skshash(dbctx,
103 (struct skshash *) hashes[i], &keys[found]);
104 if (keys[found] != NULL) {
113 dbctx->cleanupdb(dbctx);
115 puts("Content-Type: pgp/keys\n");
116 marshal_array(stdout_putchar, NULL,
117 (void (*)(int (*)(void *, size_t, void *),
118 void *, const void *))
119 marshal_publickey, (void **) keys, found);
122 for (i = 0; i < found; i++) {
123 free_publickey(keys[i]);