X-Git-Url: https://git.sommitrealweird.co.uk/onak.git/blobdiff_plain/5b3f77c7fbafb036d20a1577ed74f475e94ed821..5e2de631734d4ca56e794e21a1a509e50da91fd9:/keyd.c

diff --git a/keyd.c b/keyd.c
index d6abd32..987724d 100644
--- a/keyd.c
+++ b/keyd.c
@@ -2,14 +2,17 @@
  * keyd.c - key retrieval daemon
  *
  * Jonathan McDowell <noodles@earth.li>
- * 
+ *
  * Copyright 2004 Project Purple
  */
 
+#include <errno.h>
 #include <fcntl.h>
+#include <getopt.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <sys/select.h>
 #include <sys/socket.h>
 #include <sys/types.h>
 #include <sys/un.h>
@@ -26,13 +29,39 @@
 #include "onak-conf.h"
 #include "parsekey.h"
 
+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)
 {
 	struct openpgp_packet_list *packets = NULL;
 	struct openpgp_packet_list *list_end = NULL;
 	struct buffer_ctx           storebuf;
 	int                         ret = 0;
-	int                         fd = (int) ctx;
+	int                         *fd = (int *) ctx;
 
 	if (key != NULL) {
 		storebuf.offset = 0;
@@ -40,7 +69,7 @@ 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,
@@ -52,10 +81,10 @@ void iteratefunc(void *ctx, struct openpgp_publickey *key)
 		logthing(LOGTHING_TRACE,
 				"Sending %d bytes.",
 				storebuf.offset);
-		ret = write(fd, &storebuf.offset,
+		ret = write(*fd, &storebuf.offset,
 			sizeof(storebuf.offset));
 		if (ret != 0) {
-			write(fd, storebuf.buffer,
+			write(*fd, storebuf.buffer,
 				storebuf.offset);
 		}
 
@@ -96,7 +125,7 @@ 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;
@@ -135,7 +164,8 @@ 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));
@@ -265,7 +295,8 @@ 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));
@@ -287,7 +318,7 @@ int sock_do(int fd)
 			cmd = KEYD_REPLY_OK;
 			write(fd, &cmd, sizeof(cmd));
 			config.dbbackend->iterate_keys(iteratefunc,
-					(void *) fd);
+					&fd);
 			bytes = 0;
 			write(fd, &bytes, sizeof(bytes));
 			break;
@@ -310,7 +341,8 @@ int sock_do(int fd)
 
 int sock_close(int fd)
 {
-	return shutdown(fd, SHUT_RDWR);
+	shutdown(fd, SHUT_RDWR);
+	return close(fd);
 }
 
 int sock_accept(int fd)
@@ -339,9 +371,30 @@ 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:f")) != -1 ) {
+		switch (optchar) {
+		case 'c':
+			configfile = strdup(optarg);
+			break;
+		case 'f':
+			foreground = true;
+			break;
+		}
+	}
 
-	readconfig(NULL);
+	readconfig(configfile);
+	free(configfile);
+	configfile = NULL;
 	initlogthing("keyd", config.logfile);
+	config.use_keyd = false;
+
+	if (!foreground) {
+		daemonize();
+	}
 
 	catchsignals();
 	
@@ -367,6 +420,6 @@ int main(int argc, char *argv[])
 
 	cleanuplogthing();
 	cleanupconfig();
-	
+
 	return(EXIT_SUCCESS);
 }