From ff8b29b8c62f377ede40fbf0cbbaa428bd8df60a Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <tridge@samba.org>
Date: Sun, 10 May 1998 08:24:38 +0000
Subject: [PATCH] use syslog instead of /var/adm/rsyncd.log

---
 clientserver.c |  5 +++--
 log.c          | 41 +++++++++++++++++++++++++----------------
 main.c         |  2 --
 rsync.h        |  2 +-
 socket.c       | 47 +++++++++++++++++++++++++++++++++++++++++++++++
 util.c         |  1 +
 6 files changed, 77 insertions(+), 21 deletions(-)

diff --git a/clientserver.c b/clientserver.c
index 95ca7b6c..71188e97 100644
--- a/clientserver.c
+++ b/clientserver.c
@@ -100,6 +100,9 @@ static int rsync_module(int fd, int i)
 	gid_t gid;
 	char *p;
 
+	rprintf(FINFO,"rsync on module %s from %s (%s)\n",
+		lp_name(i), client_name(fd), client_addr(fd));
+
 	module_id = i;
 
 	if (lp_read_only(i))
@@ -123,8 +126,6 @@ static int rsync_module(int fd, int i)
 		gid = atoi(p);
 	}
 
-	rprintf(FERROR,"rsyncd starting\n");
-
 	if (chroot(lp_path(i))) {
 		io_printf(fd,"@ERROR: chroot failed\n");
 		return -1;
diff --git a/log.c b/log.c
index 20dc702a..e047d96f 100644
--- a/log.c
+++ b/log.c
@@ -33,10 +33,11 @@ void rprintf(int fd, const char *format, ...)
 	extern int am_daemon;
 	
 	if (am_daemon) {
-		static FILE *logf;
-		if (!logf) logf = fopen(RSYNCD_LOG, "a");
-		f = logf;
-		if (!f) return;
+#ifdef LOG_DAEMON
+		openlog("rsyncd", LOG_PID, LOG_DAEMON);
+#else /* for old systems that have no facility codes. */
+		openlog("rsyncd", LOG_PID);
+#endif
 	}
 
 	va_start(ap, format);
@@ -50,20 +51,28 @@ void rprintf(int fd, const char *format, ...)
 
 	if (len < 0) exit_cleanup(1);
 
-	if (!am_daemon) {		
-		if (fd == FERROR) {
-			f = stderr;
-		} 
-
-		if (fd == FINFO) {
-			extern int am_server;
-			if (am_server) 
-				f = stderr;
-			else
-				f = stdout;
-		} 
+	buf[len] = 0;
+
+	if (am_daemon) {
+		int priority = LOG_INFO;
+		if (fd == FERROR) priority = LOG_WARNING;
+		
+		syslog(priority, "%s", buf);
+		return;
 	}
 
+	if (fd == FERROR) {
+		f = stderr;
+	} 
+
+	if (fd == FINFO) {
+		extern int am_server;
+		if (am_server) 
+			f = stderr;
+		else
+			f = stdout;
+	} 
+
 	if (!f) exit_cleanup(1);
 
 	if (fwrite(buf, len, 1, f) != 1) exit_cleanup(1);
diff --git a/main.c b/main.c
index e9a00397..638dd75d 100644
--- a/main.c
+++ b/main.c
@@ -222,8 +222,6 @@ static void do_server_sender(int f_in, int f_out, int argc,char *argv[])
 		argv[0] = ".";
 	}
 	
-	rprintf(FINFO,"sending file list\n");
-	
 	flist = send_file_list(f_out,argc,argv);
 	send_files(flist,f_out,f_in);
 	report(f_out);
diff --git a/rsync.h b/rsync.h
index 62c03467..692584ab 100644
--- a/rsync.h
+++ b/rsync.h
@@ -22,7 +22,6 @@
 
 #define RSYNC_NAME "rsync"
 #define RSYNCD_CONF "/etc/rsyncd.conf"
-#define RSYNCD_LOG "/var/adm/rsyncd.log"
 
 #define BACKUP_SUFFIX "~"
 
@@ -179,6 +178,7 @@
 #include <netinet/in.h>
 #include <arpa/inet.h>
 #include <netdb.h>
+#include <syslog.h>
 
 #ifndef S_IFLNK
 #define S_IFLNK  0120000
diff --git a/socket.c b/socket.c
index a92cccdf..5ee31f6d 100644
--- a/socket.c
+++ b/socket.c
@@ -294,3 +294,50 @@ void become_daemon(void)
 	close(1);
 	close(2);
 }
+
+/*******************************************************************
+ return the IP addr of the client as a string 
+ ******************************************************************/
+char *client_addr(int fd)
+{
+	struct sockaddr sa;
+	struct sockaddr_in *sockin = (struct sockaddr_in *) (&sa);
+	int     length = sizeof(sa);
+	static char addr_buf[100];
+
+	if (getpeername(fd, &sa, &length)) {
+		exit(1);
+	}
+
+	strlcpy(addr_buf,(char *)inet_ntoa(sockin->sin_addr), sizeof(addr_buf)-1);
+
+	return addr_buf;
+}
+
+
+/*******************************************************************
+ return the DNS name of the client 
+ ******************************************************************/
+char *client_name(int fd)
+{
+	struct sockaddr sa;
+	struct sockaddr_in *sockin = (struct sockaddr_in *) (&sa);
+	int     length = sizeof(sa);
+	static char name_buf[100];
+	struct hostent *hp;
+
+	strcpy(name_buf,"UNKNOWN");
+
+	if (getpeername(fd, &sa, &length)) {
+		exit(1);
+	}
+
+	/* Look up the remote host name. */
+	if ((hp = gethostbyaddr((char *) &sockin->sin_addr,
+				sizeof(sockin->sin_addr),
+				AF_INET))) {
+		strlcpy(name_buf,(char *)hp->h_name,sizeof(name_buf) - 1);
+	}
+
+	return name_buf;
+}
diff --git a/util.c b/util.c
index 67308cd2..346d58af 100644
--- a/util.c
+++ b/util.c
@@ -482,3 +482,4 @@ int name_to_gid(char *name, gid_t *gid)
 	return 0;
 }
 
+
-- 
2.34.1