X-Git-Url: https://git.sommitrealweird.co.uk/onak.git/blobdiff_plain/f5037a4a370b891e14971228c1d491184c7fe8bd..7f5cb141f9e9112773f4437987ce15666370873f:/keyd.c

diff --git a/keyd.c b/keyd.c
index 05f9fe9..5d5b7ba 100644
--- a/keyd.c
+++ b/keyd.c
@@ -6,8 +6,10 @@
  * Copyright 2004 Project Purple
  */
 
+#include <errno.h>
 #include <fcntl.h>
 #include <getopt.h>
+#include <signal.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -15,6 +17,7 @@
 #include <sys/socket.h>
 #include <sys/types.h>
 #include <sys/un.h>
+#include <time.h>
 #include <unistd.h>
 
 #include "charfuncs.h"
@@ -27,6 +30,35 @@
 #include "mem.h"
 #include "onak-conf.h"
 #include "parsekey.h"
+#include "version.h"
+
+static struct keyd_stats *stats;
+
+void daemonize(void)
+{
+	pid_t pid;
+
+	pid = fork();
+
+	if (pid < 0) {
+		logthing(LOGTHING_CRITICAL,
+			"Failed to fork into background: %d (%s)",
+			errno,
+			strerror(errno));
+		exit(EXIT_FAILURE);
+	} else if (pid > 0) {
+		logthing(LOGTHING_INFO, "Backgrounded as pid %d.", pid);
+		exit(EXIT_SUCCESS);
+	}
+
+	pid = setsid();
+
+	freopen("/dev/null", "r", stdin);
+	freopen("/dev/null", "w", stdout);
+	freopen("/dev/null", "w", stderr);
+
+	return;
+}
 
 void iteratefunc(void *ctx, struct openpgp_publickey *key)
 {
@@ -42,7 +74,7 @@ void iteratefunc(void *ctx, struct openpgp_publickey *key)
 		storebuf.buffer = malloc(8192);
 
 		logthing(LOGTHING_TRACE,
-				"Iterating over 0x%016llX.",
+				"Iterating over 0x%016" PRIX64 ".",
 				get_keyid(key));
 
 		flatten_publickey(key,
@@ -98,7 +130,7 @@ int sock_init(const char *sockname)
 
 int sock_do(int fd)
 {
-	int      cmd = KEYD_CMD_UNKNOWN;
+	uint32_t cmd = KEYD_CMD_UNKNOWN;
 	ssize_t  bytes = 0;
 	ssize_t  count = 0;
 	int	 ret = 0;
@@ -121,10 +153,17 @@ int sock_do(int fd)
 	}
 	
 	if (ret == 0) {
+		if (cmd < KEYD_CMD_LAST) {
+			stats->command_stats[cmd]++;
+		} else {
+			stats->command_stats[KEYD_CMD_UNKNOWN]++;
+		}
 		switch (cmd) {
 		case KEYD_CMD_VERSION:
 			cmd = KEYD_REPLY_OK;
 			write(fd, &cmd, sizeof(cmd));
+			cmd = sizeof(keyd_version);
+			write(fd, &cmd, sizeof(cmd));
 			write(fd, &keyd_version, sizeof(keyd_version));
 			break;
 		case KEYD_CMD_GET:
@@ -137,7 +176,8 @@ int sock_do(int fd)
 			storebuf.offset = 0;
 			if (ret == 0) {
 				logthing(LOGTHING_INFO,
-						"Fetching 0x%llX, result: %d",
+						"Fetching 0x%" PRIX64
+						", result: %d",
 						keyid,
 						config.dbbackend->
 						fetch_key(keyid, &key, false));
@@ -267,7 +307,8 @@ int sock_do(int fd)
 			}
 			if (ret == 0) {
 				logthing(LOGTHING_INFO,
-						"Deleting 0x%llX, result: %d",
+						"Deleting 0x%" PRIX64
+						", result: %d",
 						keyid,
 						config.dbbackend->delete_key(
 							keyid, false));
@@ -282,6 +323,8 @@ int sock_do(int fd)
 			}
 			if (ret == 0) {
 				keyid = config.dbbackend->getfullkeyid(keyid);
+				cmd = sizeof(keyid);
+				write(fd, &cmd, sizeof(cmd));
 				write(fd, &keyid, sizeof(keyid));
 			}
 			break;
@@ -294,11 +337,26 @@ int sock_do(int fd)
 			write(fd, &bytes, sizeof(bytes));
 			break;
 		case KEYD_CMD_CLOSE:
+			cmd = KEYD_REPLY_OK;
+			write(fd, &cmd, sizeof(cmd));
 			ret = 1;
 			break;
 		case KEYD_CMD_QUIT:
+			cmd = KEYD_REPLY_OK;
+			write(fd, &cmd, sizeof(cmd));
+			logthing(LOGTHING_NOTICE,
+				"Exiting due to quit request.");
+			ret = 1;
 			trytocleanup();
 			break;
+		case KEYD_CMD_STATS:
+			cmd = KEYD_REPLY_OK;
+			write(fd, &cmd, sizeof(cmd));
+			cmd = sizeof(*stats);
+			write(fd, &cmd, sizeof(cmd));
+			write(fd, stats,
+				sizeof(*stats));
+			break;
 		default:
 			logthing(LOGTHING_ERROR, "Got unknown command: %d",
 					cmd);
@@ -330,6 +388,7 @@ int sock_accept(int fd)
 	}
 
 	if (ret != -1) {
+		stats->connects++;
 		while (!sock_do(srv)) ;
 		sock_close(srv);
 	}
@@ -337,19 +396,40 @@ int sock_accept(int fd)
 	return 1;
 }
 
+static void usage(void)
+{
+	puts("keyd " ONAK_VERSION " - backend key serving daemon for the "
+		"onak PGP keyserver.\n");
+	puts("Usage:\n");
+	puts("\tkeyd [options]\n");
+	puts("\tOptions:\n:");
+	puts("-c <file> - use <file> as the config file");
+	puts("-f        - run in the foreground");
+	puts("-h        - show this help text");
+	exit(EXIT_FAILURE);
+}
+
 int main(int argc, char *argv[])
 {
 	int fd = -1;
 	fd_set rfds;
 	char sockname[1024];
 	char *configfile = NULL;
+	bool foreground = false;
 	int optchar;
 
-	while ((optchar = getopt(argc, argv, "c:")) != -1 ) {
+	while ((optchar = getopt(argc, argv, "c:fh")) != -1 ) {
 		switch (optchar) {
 		case 'c':
 			configfile = strdup(optarg);
 			break;
+		case 'f':
+			foreground = true;
+			break;
+		case 'h':
+		default:
+			usage();
+			break;
 		}
 	}
 
@@ -357,9 +437,24 @@ int main(int argc, char *argv[])
 	free(configfile);
 	configfile = NULL;
 	initlogthing("keyd", config.logfile);
+	config.use_keyd = false;
+
+	if (!foreground) {
+		daemonize();
+	}
 
 	catchsignals();
-	
+	signal(SIGPIPE, SIG_IGN);
+
+
+	stats = calloc(1, sizeof(*stats));
+	if (!stats) {
+		logthing(LOGTHING_ERROR,
+			"Couldn't allocate memory for stats structure.");
+		exit(EXIT_FAILURE);
+	}
+	stats->started = time(NULL);
+
 	snprintf(sockname, 1023, "%s/%s", config.db_dir, KEYD_SOCKET);
 	fd = sock_init(sockname);
 
@@ -380,6 +475,8 @@ int main(int argc, char *argv[])
 		unlink(sockname);
 	}
 
+	free(stats);
+
 	cleanuplogthing();
 	cleanupconfig();