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-rw-r--r--AUTHORS3
-rw-r--r--Changelog11
-rw-r--r--applets/usage.c3
-rw-r--r--busybox.def.h3
-rw-r--r--docs/busybox.pod8
-rw-r--r--docs/busybox.sgml3
-rw-r--r--sysklogd/syslogd.c104
-rw-r--r--syslogd.c104
-rw-r--r--usage.c3
9 files changed, 239 insertions, 3 deletions
diff --git a/AUTHORS b/AUTHORS
index c155b802d..64114a5fc 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -46,6 +46,9 @@ Bruce Perens <bruce@pixar.com>
Pavel Roskin <proski@gnu.org>
Lots of bugs fixes and patches.
+Gyepi Sam <gyepi@praxis-sw.com>
+ Remote logging feature for syslogd
+
Linus Torvalds <torvalds@transmeta.com>
mkswap, fsck.minix, mkfs.minix
diff --git a/Changelog b/Changelog
index 92139bca3..212574678 100644
--- a/Changelog
+++ b/Changelog
@@ -1,3 +1,14 @@
+0.47
+
+ * 'make install' now creates relative symlinks, and added a new
+ 'make install-hardlinks' target to (tada) install hardlinks.
+ * syslogd can now log messages to a remote host -- patch thanks
+ to Gyepi Sam <gyepi@praxis-sw.com>
+
+
+ -Erik Andersen
+
+
0.46
* Better portability. Now should compile cleanly with libc5,
diff --git a/applets/usage.c b/applets/usage.c
index 58f9820ba..b86df330c 100644
--- a/applets/usage.c
+++ b/applets/usage.c
@@ -998,6 +998,9 @@ const char syslogd_usage[] =
"\t-K\t\tDo not start up the klogd process\n"
#endif
"\t-O FILE\t\tUse an alternate log file (default=/var/log/messages)\n"
+#ifdef BB_FEATURE_REMOTE_LOG
+ "\t-R HOST[:PORT]\t\tLog remotely to IP or hostname on PORT (default PORT=514/UDP)\n"
+#endif
#endif
;
#endif
diff --git a/busybox.def.h b/busybox.def.h
index 7acfb2822..2c98af40d 100644
--- a/busybox.def.h
+++ b/busybox.def.h
@@ -186,6 +186,9 @@
//Should syslogd also provide klogd support?
#define BB_FEATURE_KLOGD
//
+// enable syslogd -R remotehost
+#define BB_FEATURE_REMOTE_LOG
+//
//Simple tail implementation (2k vs 6k for the full one). Still
//provides 'tail -f' support -- but for only one file at a time.
#define BB_FEATURE_SIMPLE_TAIL
diff --git a/docs/busybox.pod b/docs/busybox.pod
index 0e611deef..ca241433f 100644
--- a/docs/busybox.pod
+++ b/docs/busybox.pod
@@ -1577,6 +1577,12 @@ Options:
-n Run as a foreground process
-K Do not start up the klogd process
-O FILE Use an alternate log file (default=/var/log/messages)
+ -R HOST[:PORT] Log messages to HOST on PORT (default=514) over UDP.
+
+Example:
+
+ $ syslogd -R masterlog:514
+ $ syslogd -R 192.168.1.1:601
-------------------------------
@@ -2028,4 +2034,4 @@ Enrique Zanardi <ezanardi@ull.es>
=cut
-# $Id: busybox.pod,v 1.56 2000/07/11 17:29:36 andersen Exp $
+# $Id: busybox.pod,v 1.57 2000/07/20 23:41:24 andersen Exp $
diff --git a/docs/busybox.sgml b/docs/busybox.sgml
index 92b02c9ee..f0dd3bf62 100644
--- a/docs/busybox.sgml
+++ b/docs/busybox.sgml
@@ -2804,6 +2804,7 @@
-n Run as a foreground process
-K Do not start up the klogd process
-O FILE Use an alternate log file (default=/var/log/messages)
+ -R HOST[:PORT] Log messages to HOST on PORT (default=514) over UDP.
</screen>
</para>
@@ -2813,6 +2814,8 @@
<para>
<screen>
+ $ syslogd -R masterlog:514
+ $ syslogd -R 192.168.1.1:601
</screen>
</para>
</sect1>
diff --git a/sysklogd/syslogd.c b/sysklogd/syslogd.c
index 264d899f3..508a6572b 100644
--- a/sysklogd/syslogd.c
+++ b/sysklogd/syslogd.c
@@ -61,6 +61,7 @@ static inline _syscall3(int, klogctl, int, type, char *, b, int, len);
/* SYSLOG_NAMES defined to pull some extra junk from syslog.h */
#define SYSLOG_NAMES
#include <sys/syslog.h>
+#include <sys/uio.h>
/* Path for the file where all log messages are written */
#define __LOG_FILE "/var/log/messages"
@@ -76,6 +77,18 @@ static int MarkInterval = 20 * 60;
/* localhost's name */
static char LocalHostName[32];
+#ifdef BB_FEATURE_REMOTE_LOG
+#include <netinet/in.h>
+/* udp socket for logging to remote host */
+static int remotefd = -1;
+/* where do we log? */
+static char *RemoteHost;
+/* what port to log to? */
+static int RemotePort = 514;
+/* To remote log or not to remote log, that is the question. */
+static int doRemoteLog = FALSE;
+#endif
+
/* Note: There is also a function called "message()" in init.c */
/* Print a message to the log file. */
static void message (char *fmt, ...) __attribute__ ((format (printf, 1, 2)));
@@ -151,6 +164,30 @@ static void logMessage (int pri, char *msg)
/* now spew out the message to wherever it is supposed to go */
message("%s %s %s %s\n", timestamp, LocalHostName, res, msg);
+
+#ifdef BB_FEATURE_REMOTE_LOG
+ /* send message to remote logger */
+ if ( -1 != remotefd){
+#define IOV_COUNT 2
+ struct iovec iov[IOV_COUNT];
+ struct iovec *v = iov;
+
+ bzero(&res, sizeof(res));
+ snprintf(res, sizeof(res), "<%d>", pri);
+ v->iov_base = res ;
+ v->iov_len = strlen(res);
+ v++;
+
+ v->iov_base = msg;
+ v->iov_len = strlen(msg);
+
+ if ( -1 == writev(remotefd,iov, IOV_COUNT)){
+ fatalError("syslogd: cannot write to remote file handle on"
+ "%s:%d\n",RemoteHost,RemotePort);
+ }
+ }
+#endif
+
}
static void quit_signal(int sig)
@@ -191,8 +228,9 @@ static int serveConnection (int conn)
while (isdigit (*(++p))) {
pri = 10 * pri + (*p - '0');
}
- if (pri & ~(LOG_FACMASK | LOG_PRIMASK))
+ if (pri & ~(LOG_FACMASK | LOG_PRIMASK)){
pri = (LOG_USER | LOG_NOTICE);
+ }
} else if (c == '\n') {
*q++ = ' ';
} else if (iscntrl (c) && (c < 0177)) {
@@ -210,6 +248,43 @@ static int serveConnection (int conn)
return (0);
}
+
+#ifdef BB_FEATURE_REMOTE_LOG
+static void init_RemoteLog (void){
+
+ struct sockaddr_in remoteaddr;
+ struct hostent *hostinfo;
+ int len = sizeof(remoteaddr);
+
+ bzero(&remoteaddr, len);
+
+ remotefd = socket(AF_INET, SOCK_DGRAM, 0);
+
+ if (remotefd < 0) {
+ fatalError("syslogd: cannot create socket\n");
+ }
+
+ hostinfo = (struct hostent *) gethostbyname(RemoteHost);
+
+ if (!hostinfo) {
+ fatalError("syslogd: cannot resolve remote host name [%s]\n", RemoteHost);
+ }
+
+ remoteaddr.sin_family = AF_INET;
+ remoteaddr.sin_addr = *(struct in_addr *) *hostinfo->h_addr_list;
+ remoteaddr.sin_port = htons(RemotePort);
+
+ /*
+ Since we are using UDP sockets, connect just sets the default host and port
+ for future operations
+ */
+ if ( 0 != (connect(remotefd, (struct sockaddr *) &remoteaddr, len))){
+ fatalError("syslogd: cannot connect to remote host %s:%d\n", RemoteHost, RemotePort);
+ }
+
+}
+#endif
+
static void doSyslogd (void) __attribute__ ((noreturn));
static void doSyslogd (void)
{
@@ -254,6 +329,12 @@ static void doSyslogd (void)
FD_ZERO (&fds);
FD_SET (sock_fd, &fds);
+ #ifdef BB_FEATURE_REMOTE_LOG
+ if (doRemoteLog == TRUE){
+ init_RemoteLog();
+ }
+ #endif
+
logMessage (0, "syslogd started: BusyBox v" BB_VER " (" BB_BT ")");
for (;;) {
@@ -322,6 +403,13 @@ static void doKlogd (void)
signal(SIGKILL, klogd_signal);
signal(SIGTERM, klogd_signal);
signal(SIGHUP, SIG_IGN);
+
+#ifdef BB_FEATURE_REMOTE_LOG
+ if (doRemoteLog == TRUE){
+ init_RemoteLog();
+ }
+#endif
+
logMessage(0, "klogd started: "
"BusyBox v" BB_VER " (" BB_BT ")");
@@ -423,6 +511,20 @@ extern int syslogd_main(int argc, char **argv)
logFilePath = *(++argv1);
stopDoingThat = TRUE;
break;
+#ifdef BB_FEATURE_REMOTE_LOG
+ case 'R':
+ if (--argc == 0) {
+ usage(syslogd_usage);
+ }
+ RemoteHost = *(++argv1);
+ if ( (p = strchr(RemoteHost, ':'))){
+ RemotePort = atoi(p+1);
+ *p = '\0';
+ }
+ doRemoteLog = TRUE;
+ stopDoingThat = TRUE;
+ break;
+#endif
default:
usage(syslogd_usage);
}
diff --git a/syslogd.c b/syslogd.c
index 264d899f3..508a6572b 100644
--- a/syslogd.c
+++ b/syslogd.c
@@ -61,6 +61,7 @@ static inline _syscall3(int, klogctl, int, type, char *, b, int, len);
/* SYSLOG_NAMES defined to pull some extra junk from syslog.h */
#define SYSLOG_NAMES
#include <sys/syslog.h>
+#include <sys/uio.h>
/* Path for the file where all log messages are written */
#define __LOG_FILE "/var/log/messages"
@@ -76,6 +77,18 @@ static int MarkInterval = 20 * 60;
/* localhost's name */
static char LocalHostName[32];
+#ifdef BB_FEATURE_REMOTE_LOG
+#include <netinet/in.h>
+/* udp socket for logging to remote host */
+static int remotefd = -1;
+/* where do we log? */
+static char *RemoteHost;
+/* what port to log to? */
+static int RemotePort = 514;
+/* To remote log or not to remote log, that is the question. */
+static int doRemoteLog = FALSE;
+#endif
+
/* Note: There is also a function called "message()" in init.c */
/* Print a message to the log file. */
static void message (char *fmt, ...) __attribute__ ((format (printf, 1, 2)));
@@ -151,6 +164,30 @@ static void logMessage (int pri, char *msg)
/* now spew out the message to wherever it is supposed to go */
message("%s %s %s %s\n", timestamp, LocalHostName, res, msg);
+
+#ifdef BB_FEATURE_REMOTE_LOG
+ /* send message to remote logger */
+ if ( -1 != remotefd){
+#define IOV_COUNT 2
+ struct iovec iov[IOV_COUNT];
+ struct iovec *v = iov;
+
+ bzero(&res, sizeof(res));
+ snprintf(res, sizeof(res), "<%d>", pri);
+ v->iov_base = res ;
+ v->iov_len = strlen(res);
+ v++;
+
+ v->iov_base = msg;
+ v->iov_len = strlen(msg);
+
+ if ( -1 == writev(remotefd,iov, IOV_COUNT)){
+ fatalError("syslogd: cannot write to remote file handle on"
+ "%s:%d\n",RemoteHost,RemotePort);
+ }
+ }
+#endif
+
}
static void quit_signal(int sig)
@@ -191,8 +228,9 @@ static int serveConnection (int conn)
while (isdigit (*(++p))) {
pri = 10 * pri + (*p - '0');
}
- if (pri & ~(LOG_FACMASK | LOG_PRIMASK))
+ if (pri & ~(LOG_FACMASK | LOG_PRIMASK)){
pri = (LOG_USER | LOG_NOTICE);
+ }
} else if (c == '\n') {
*q++ = ' ';
} else if (iscntrl (c) && (c < 0177)) {
@@ -210,6 +248,43 @@ static int serveConnection (int conn)
return (0);
}
+
+#ifdef BB_FEATURE_REMOTE_LOG
+static void init_RemoteLog (void){
+
+ struct sockaddr_in remoteaddr;
+ struct hostent *hostinfo;
+ int len = sizeof(remoteaddr);
+
+ bzero(&remoteaddr, len);
+
+ remotefd = socket(AF_INET, SOCK_DGRAM, 0);
+
+ if (remotefd < 0) {
+ fatalError("syslogd: cannot create socket\n");
+ }
+
+ hostinfo = (struct hostent *) gethostbyname(RemoteHost);
+
+ if (!hostinfo) {
+ fatalError("syslogd: cannot resolve remote host name [%s]\n", RemoteHost);
+ }
+
+ remoteaddr.sin_family = AF_INET;
+ remoteaddr.sin_addr = *(struct in_addr *) *hostinfo->h_addr_list;
+ remoteaddr.sin_port = htons(RemotePort);
+
+ /*
+ Since we are using UDP sockets, connect just sets the default host and port
+ for future operations
+ */
+ if ( 0 != (connect(remotefd, (struct sockaddr *) &remoteaddr, len))){
+ fatalError("syslogd: cannot connect to remote host %s:%d\n", RemoteHost, RemotePort);
+ }
+
+}
+#endif
+
static void doSyslogd (void) __attribute__ ((noreturn));
static void doSyslogd (void)
{
@@ -254,6 +329,12 @@ static void doSyslogd (void)
FD_ZERO (&fds);
FD_SET (sock_fd, &fds);
+ #ifdef BB_FEATURE_REMOTE_LOG
+ if (doRemoteLog == TRUE){
+ init_RemoteLog();
+ }
+ #endif
+
logMessage (0, "syslogd started: BusyBox v" BB_VER " (" BB_BT ")");
for (;;) {
@@ -322,6 +403,13 @@ static void doKlogd (void)
signal(SIGKILL, klogd_signal);
signal(SIGTERM, klogd_signal);
signal(SIGHUP, SIG_IGN);
+
+#ifdef BB_FEATURE_REMOTE_LOG
+ if (doRemoteLog == TRUE){
+ init_RemoteLog();
+ }
+#endif
+
logMessage(0, "klogd started: "
"BusyBox v" BB_VER " (" BB_BT ")");
@@ -423,6 +511,20 @@ extern int syslogd_main(int argc, char **argv)
logFilePath = *(++argv1);
stopDoingThat = TRUE;
break;
+#ifdef BB_FEATURE_REMOTE_LOG
+ case 'R':
+ if (--argc == 0) {
+ usage(syslogd_usage);
+ }
+ RemoteHost = *(++argv1);
+ if ( (p = strchr(RemoteHost, ':'))){
+ RemotePort = atoi(p+1);
+ *p = '\0';
+ }
+ doRemoteLog = TRUE;
+ stopDoingThat = TRUE;
+ break;
+#endif
default:
usage(syslogd_usage);
}
diff --git a/usage.c b/usage.c
index 58f9820ba..b86df330c 100644
--- a/usage.c
+++ b/usage.c
@@ -998,6 +998,9 @@ const char syslogd_usage[] =
"\t-K\t\tDo not start up the klogd process\n"
#endif
"\t-O FILE\t\tUse an alternate log file (default=/var/log/messages)\n"
+#ifdef BB_FEATURE_REMOTE_LOG
+ "\t-R HOST[:PORT]\t\tLog remotely to IP or hostname on PORT (default PORT=514/UDP)\n"
+#endif
#endif
;
#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-20 03:46:21 +0000