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/*
* lookup.c - CGI to lookup keys.
*
* Jonathan McDowell <noodles@earth.li>
*
* Copyright 2002 Project Purple
*/
#include <inttypes.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "armor.h"
#include "charfuncs.h"
#include "cleankey.h"
#include "cleanup.h"
#include "config.h"
#include "getcgi.h"
#include "keydb.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
void find_keys(char *search, uint64_t keyid, bool ishex,
bool fingerprint, 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, 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 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;
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], "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) {
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], "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(true);
switch (op) {
case OP_GET:
if (ishex) {
logthing(LOGTHING_NOTICE,
"Getting keyid 0x%llX",
keyid);
result = config.dbbackend->fetch_key(keyid,
&publickey, false);
} else {
logthing(LOGTHING_NOTICE,
"Getting key(s) for search text %s",
search);
result = config.dbbackend->fetch_key_text(
search,
&publickey);
}
if (result) {
puts("<pre>");
cleankeys(publickey);
flatten_publickey(publickey,
&packets,
&list_end);
armor_openpgp_stream(stdout_putchar,
NULL,
packets);
puts("</pre>");
} else {
logthing(LOGTHING_NOTICE,
"Failed to fetch key.");
puts("Key not found");
}
break;
case OP_INDEX:
find_keys(search, keyid, ishex, fingerprint, exact,
false, mrhkp);
break;
case OP_VINDEX:
find_keys(search, keyid, ishex, fingerprint, 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)) {
fwrite(photo,
1,
length,
stdout);
}
free_publickey(publickey);
publickey = NULL;
}
break;
default:
puts("Unknown operation!");
}
config.dbbackend->cleanupdb();
cleanuplogthing();
cleanupconfig();
}
if (!mrhkp) {
puts("<hr>");
puts("Produced by onak " PACKAGE_VERSION
" by Jonathan McDowell");
end_html();
}
if (search != NULL) {
free(search);
search = NULL;
}
return (EXIT_SUCCESS);
}
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