1 files changed, 111 insertions, 0 deletions
diff --git a/vlogger.c b/vlogger.c
new file mode 100644
index 0000000..981b692
--- /dev/null
+++ b/vlogger.c
@@ -0,0 +1,111 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <syslog.h>
+#include <unistd.h>
+
+typedef struct _code {
+  const char *const c_name;
+  int c_val;
+} CODE;
+
+CODE prioritynames[] = {
+	{ "alert", LOG_ALERT },
+	{ "crit", LOG_CRIT },
+	{ "debug", LOG_DEBUG },
+	{ "emerg", LOG_EMERG },
+	{ "err", LOG_ERR },
+	{ "error", LOG_ERR },
+	{ "info", LOG_INFO },
+	{ "notice", LOG_NOTICE },
+	{ "panic", LOG_EMERG },
+	{ "warn", LOG_WARNING },
+	{ "warning", LOG_WARNING },
+	{ 0, -1 }
+};
+
+CODE facilitynames[] = {
+	{ "auth", LOG_AUTH },
+	{ "authpriv", LOG_AUTHPRIV },
+	{ "cron", LOG_CRON },
+	{ "daemon", LOG_DAEMON },
+	{ "ftp", LOG_FTP },
+	{ "kern", LOG_KERN },
+	{ "lpr", LOG_LPR },
+	{ "mail", LOG_MAIL },
+	{ "news", LOG_NEWS },
+	{ "security", LOG_AUTH },
+	{ "syslog", LOG_SYSLOG },
+	{ "user", LOG_USER },
+	{ "uucp", LOG_UUCP },
+	{ "local0", LOG_LOCAL0 },
+	{ "local1", LOG_LOCAL1 },
+	{ "local2", LOG_LOCAL2 },
+	{ "local3", LOG_LOCAL3 },
+	{ "local4", LOG_LOCAL4 },
+	{ "local5", LOG_LOCAL5 },
+	{ "local6", LOG_LOCAL6 },
+	{ "local7", LOG_LOCAL7 },
+	{ 0, -1 }
+};
+
+static char *tag;
+
+static void
+strpriority(char *s, int *facility, int *level)
+{
+	char *p;
+	CODE *cp;
+
+	if ((p = strchr(s, '.'))) {
+		*p++ = 0;
+		for (cp = prioritynames; cp->c_name; cp++) {
+			if (strcmp(cp->c_name, p) == 0)
+				*level = cp->c_val;
+		}
+	}
+	if (*s)
+		for (cp = facilitynames; cp->c_name; cp++) {
+			if (strcmp(cp->c_name, s) == 0)
+				*facility = cp->c_val;
+		}
+}
+
+int
+main(int argc, char *argv[])
+{
+	char c, *p;
+	int facility = LOG_DAEMON;
+	int level = LOG_INFO;
+
+	if (((p = strrchr(*argv, '/')) && !strncmp(p+1, "run", 3)) &&
+	    (*p = 0, (p = strrchr(*argv, '/')) && !strncmp(p+1, "log", 3)) &&
+	    (*p = 0, (p = strrchr(*argv, '/'))) != 0) {
+		tag = strdup(p+1);
+	}
+
+	while ((c = getopt(argc, argv, "p:t:")) != -1)
+		switch (c) {
+		case 'p': strpriority(optarg, &facility, &level); break;
+		case 't': tag = optarg; break;
+		default:
+			fprintf(stderr, "usage: vlogger [-p priority] [-t tag]\n");
+			exit(1);
+		}
+
+	if (access("/etc/vlogger", X_OK) != -1)
+		execl("/etc/vlogger", "/etc/vlogger", tag, (char *)0);
+
+	openlog(tag, 0, facility);
+
+	char *line;
+	size_t linelen = 0;
+	ssize_t rd;
+	while ((rd = getline(&line, &linelen, stdin)) != -1) {
+		if (line[rd-1] == '\n')
+			line[rd-1] = 0;
+		syslog(level|facility, "%s", line);
+	}
+
+	return 1;
+}