Original source from util-linux-2.12

1 files changed, 288 insertions, 0 deletions

diff --git a/client/logger.c b/client/logger.c
new file mode 100644
index 0000000..8f28e39
--- /dev/null
+++ b/client/logger.c
@@ -0,0 +1,288 @@
+/*
+ * Copyright (c) 1983, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * 1999-02-22 Arkadiusz Mi¶kiewicz <misiek@pld.ORG.PL>
+ * - added Native Language Support
+ * Sun Mar 21 1999 - Arnaldo Carvalho de Melo <acme@conectiva.com.br>
+ * - fixed strerr(errno) in gettext calls
+ */
+
+#include <errno.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <time.h>
+#include <stdio.h>
+#include <ctype.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include "nls.h"
+
+#define	SYSLOG_NAMES
+#include <syslog.h>
+
+int	decode __P((char *, CODE *));
+int	pencode __P((char *));
+void	usage __P((void));
+
+static int optd = 0;
+
+static int
+myopenlog(const char *sock) {
+       int fd;
+       static struct sockaddr_un s_addr; /* AF_UNIX address of local logger */
+
+       if (strlen(sock) >= sizeof(s_addr.sun_path)) {
+	       printf ("logger: openlog: pathname too long\n");
+	       exit(1);
+       }
+
+       s_addr.sun_family = AF_UNIX;
+       (void)strcpy(s_addr.sun_path, sock);
+
+       if ((fd = socket(AF_UNIX, optd ? SOCK_DGRAM : SOCK_STREAM, 0)) == -1) {
+               printf ("socket: %s.\n", strerror(errno));
+               exit (1);
+       }
+
+       if (connect(fd, (struct sockaddr *) &s_addr, sizeof(s_addr)) == -1) {
+               printf ("connect: %s.\n", strerror(errno));
+               exit (1);
+       }
+       return fd;
+}
+
+static void
+mysyslog(int fd, int logflags, int pri, char *tag, char *msg) {
+       char buf[1000], pid[30], *cp, *tp;
+       time_t now;
+
+       if (fd > -1) {
+	       /* avoid snprintf - it does not exist on ancient systems */
+               if (logflags & LOG_PID)
+                       sprintf (pid, "[%d]", getpid());
+	       else
+		       pid[0] = 0;
+               if (tag)
+		       cp = tag;
+	       else {
+		       cp = getlogin();
+		       if (!cp)
+			       cp = "<someone>";
+	       }
+               (void)time(&now);
+	       tp = ctime(&now)+4;
+
+	       /* do snprintf by hand - ugly, but for once... */
+               sprintf(buf, "<%d>%.15s %.200s%s: %.400s",
+			pri, tp, cp, pid, msg);
+
+               if (write(fd, buf, strlen(buf)+1) < 0)
+                       return; /* error */
+       }
+}
+
+/*
+ * logger -- read and log utility
+ *
+ *	Reads from an input and arranges to write the result on the system
+ *	log.
+ */
+int
+main(int argc, char **argv) {
+	int ch, logflags, pri;
+	char *tag, buf[1024];
+	char *usock = NULL;
+	int LogSock = -1;
+
+	setlocale(LC_ALL, "");
+	bindtextdomain(PACKAGE, LOCALEDIR);
+	textdomain(PACKAGE);
+
+	tag = NULL;
+	pri = LOG_NOTICE;
+	logflags = 0;
+	while ((ch = getopt(argc, argv, "f:ip:st:u:d")) != -1)
+		switch((char)ch) {
+		case 'f':		/* file to log */
+			if (freopen(optarg, "r", stdin) == NULL) {
+				int errsv = errno;
+				(void)fprintf(stderr, _("logger: %s: %s.\n"),
+				    optarg, strerror(errsv));
+				exit(1);
+			}
+			break;
+		case 'i':		/* log process id also */
+			logflags |= LOG_PID;
+			break;
+		case 'p':		/* priority */
+			pri = pencode(optarg);
+			break;
+		case 's':		/* log to standard error */
+			logflags |= LOG_PERROR;
+			break;
+		case 't':		/* tag */
+			tag = optarg;
+			break;
+		case 'u':		/* unix socket */
+			usock = optarg;
+			break;
+		case 'd':
+			optd = 1;	/* use datagrams */
+			break;
+		case '?':
+		default:
+			usage();
+		}
+	argc -= optind;
+	argv += optind;
+
+	/* setup for logging */
+	if (!usock)
+		openlog(tag ? tag : getlogin(), logflags, 0);
+	else
+		LogSock = myopenlog(usock);
+
+	(void) fclose(stdout);
+
+	/* log input line if appropriate */
+	if (argc > 0) {
+		register char *p, *endp;
+		int len;
+
+		for (p = buf, endp = buf + sizeof(buf) - 2; *argv;) {
+			len = strlen(*argv);
+			if (p + len > endp && p > buf) {
+			    if (!usock)
+				syslog(pri, "%s", buf);
+			    else
+				mysyslog(LogSock, logflags, pri, tag, buf);
+				p = buf;
+			}
+			if (len > sizeof(buf) - 1) {
+			    if (!usock)
+				syslog(pri, "%s", *argv++);
+			    else
+				mysyslog(LogSock, logflags, pri, tag, *argv++);
+			} else {
+				if (p != buf)
+					*p++ = ' ';
+				bcopy(*argv++, p, len);
+				*(p += len) = '\0';
+			}
+		}
+		if (p != buf) {
+		    if (!usock)
+			syslog(pri, "%s", buf);
+		    else
+			mysyslog(LogSock, logflags, pri, tag, buf);
+		}
+	} else
+		while (fgets(buf, sizeof(buf), stdin) != NULL) {
+		    /* glibc is buggy and adds an additional newline,
+		       so we have to remove it here until glibc is fixed */
+		    int len = strlen(buf);
+
+		    if (len > 0 && buf[len - 1] == '\n')
+			    buf[len - 1] = '\0';
+
+		    if (!usock)
+			syslog(pri, "%s", buf);
+		    else
+			mysyslog(LogSock, logflags, pri, tag, buf);
+		}
+	if (!usock)
+		closelog();
+	else
+		close(LogSock);
+	exit(0);
+}
+
+/*
+ *  Decode a symbolic name to a numeric value
+ */
+int
+pencode(s)
+	register char *s;
+{
+	char *save;
+	int fac, lev;
+
+	for (save = s; *s && *s != '.'; ++s);
+	if (*s) {
+		*s = '\0';
+		fac = decode(save, facilitynames);
+		if (fac < 0) {
+			(void)fprintf(stderr,
+			    _("logger: unknown facility name: %s.\n"), save);
+			exit(1);
+		}
+		*s++ = '.';
+	}
+	else {
+		fac = LOG_USER;
+		s = save;
+	}
+	lev = decode(s, prioritynames);
+	if (lev < 0) {
+		(void)fprintf(stderr,
+		    _("logger: unknown priority name: %s.\n"), save);
+		exit(1);
+	}
+	return ((lev & LOG_PRIMASK) | (fac & LOG_FACMASK));
+}
+
+int
+decode(name, codetab)
+	char *name;
+	CODE *codetab;
+{
+	register CODE *c;
+
+	if (isdigit(*name))
+		return (atoi(name));
+
+	for (c = codetab; c->c_name; c++)
+		if (!strcasecmp(name, c->c_name))
+			return (c->c_val);
+
+	return (-1);
+}
+
+void
+usage()
+{
+	(void)fprintf(stderr,
+	    _("usage: logger [-is] [-f file] [-p pri] [-t tag] [-u socket] [ message ... ]\n"));
+	exit(1);
+}