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.
26 #include "charfuncs.h"
32 #include "onak-conf.h"
34 void doerror(char *error)
36 printf("Content-Type: text/plain\n\n");
43 int main(int argc, char *argv[])
48 struct buffer_ctx cgipostbuf;
49 struct openpgp_publickey **keys;
50 struct onak_dbctx *dbctx;
53 initlogthing("hashquery", config.logfile);
55 request_method = getenv("REQUEST_METHOD");
56 if (request_method == NULL || strcmp(request_method, "POST") != 0) {
57 doerror("hashquery must be a HTTP POST request.\n");
60 if (!(cgipostbuf.size = atoi(getenv("CONTENT_LENGTH")))) {
61 doerror("Must provide a content length.\n");
64 cgipostbuf.offset = 0;
65 cgipostbuf.buffer = malloc(cgipostbuf.size);
66 if (cgipostbuf.buffer == NULL) {
67 doerror("Couldn't allocate memory for query content.\n");
70 if (!fread(cgipostbuf.buffer, cgipostbuf.size, 1, stdin)) {
71 doerror("Couldn't read query.\n");
74 hashes = (uint8_t **) unmarshal_array(buffer_fetchchar, &cgipostbuf,
75 (void * (*)(int (*)(void *, size_t, void *), void *))
76 unmarshal_skshash, &count);
78 free(cgipostbuf.buffer);
79 cgipostbuf.buffer = NULL;
80 cgipostbuf.size = cgipostbuf.offset = 0;
83 doerror("No hashes supplied.\n");
87 keys = calloc(sizeof(struct openpgp_publickey *), count);
89 doerror("Couldn't allocate memory for reply.\n");
93 dbctx = config.dbinit(false);
95 if (dbctx->fetch_key_skshash == NULL) {
96 dbctx->cleanupdb(dbctx);
97 doerror("Can't fetch by skshash with this backend.");
100 for (i = 0; i < count; i++) {
101 dbctx->fetch_key_skshash(dbctx,
102 (struct skshash *) hashes[i], &keys[found]);
103 if (keys[found] != NULL) {
112 dbctx->cleanupdb(dbctx);
114 puts("Content-Type: pgp/keys\n");
115 marshal_array(stdout_putchar, NULL,
116 (void (*)(int (*)(void *, size_t, void *),
117 void *, const void *))
118 marshal_publickey, (void **) keys, found);
121 for (i = 0; i < found; i++) {
122 free_publickey(keys[i]);