1 files changed, 220 insertions, 0 deletions
diff --git a/sendmail/libsm/syslogio.c b/sendmail/libsm/syslogio.c
new file mode 100644
index 0000000..24fa3a2
--- /dev/null
+++ b/sendmail/libsm/syslogio.c
@@ -0,0 +1,220 @@
+/*
+ * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers.
+ *      All rights reserved.
+ *
+ * By using this file, you agree to the terms and conditions set
+ * forth in the LICENSE file which can be found at the top level of
+ * the sendmail distribution.
+ */
+
+#include <sm/gen.h>
+SM_RCSID("@(#)$Id: syslogio.c,v 1.29 2001/09/11 04:04:49 gshapiro Exp $")
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <syslog.h>
+#include <errno.h>
+#ifdef SM_RPOOL
+# include <sm/rpool.h>
+#endif /* SM_RPOOL */
+#include <sm/io.h>
+#include "local.h"
+
+/*
+**  Overall:
+**  This is a output file type that copies its output to the syslog daemon.
+**  Each line of output is written as a separate syslog message.
+**  The client is responsible for calling openlog() before writing to
+**  any syslog file, and calling closelog() after all syslog output is complete.
+**  The only state associated with a syslog file is 'int priority',
+**  which we store in fp->f_ival.
+*/
+
+/*
+**  SM_SYSLOGOPEN -- open a file pointer to syslog
+**
+**	Parameters:
+**		fp -- file pointer assigned for the open
+**		info -- priority level of the syslog messages
+**		flags -- not used
+**		rpool -- ignored
+**
+**	Returns:
+**		0 (zero) success always (see Overall)
+*/
+
+int
+sm_syslogopen(fp, info, flags, rpool)
+	SM_FILE_T *fp;
+	const void *info;
+	int flags;
+	const void *rpool;
+{
+	int *priority = (int *)info;
+
+	fp->f_ival = *priority;
+	return 0;
+}
+
+/*
+**  SM_SYSLOGREAD -- read function for syslog
+**
+**  This is a "stub" function (placeholder) that always returns an error.
+**  It is an error to read syslog.
+**
+**	Parameters:
+**		fp -- the file pointer
+**		buf -- buffer to place the data read
+**		n -- number of bytes to read
+**
+**	Returns:
+**		-1 (error) always and sets errno
+*/
+
+ssize_t
+sm_syslogread(fp, buf, n)
+	SM_FILE_T *fp;
+	char *buf;
+	size_t n;
+{
+	/* an error to read */
+	errno = ENODEV;
+	return -1;
+}
+
+/*
+**  SM_SYSLOGWRITE -- write function for syslog
+**
+**  Send output to syslog.
+**
+**	Parameters:
+**		fp -- the file pointer
+**		buf -- buffer that the write data comes from
+**		n -- number of bytes to write
+**
+**	Returns:
+**		0 (zero) for success always
+*/
+
+/*
+**  XXX TODO: more work needs to be done to ensure that each line of output
+**  XXX written to a syslog file is mapped to exactly one syslog message.
+*/
+ssize_t
+sm_syslogwrite(fp, buf, n)
+	SM_FILE_T *fp;
+	char const *buf;
+	size_t n;
+{
+	syslog(fp->f_ival, "%s", buf);
+	return 0;
+}
+
+/*
+**  SM_SYSLOGSEEK -- position the syslog file offset
+**
+**  This is a "stub" function (placeholder) that always returns an error.
+**  It is an error to seek syslog.
+**
+**	Parameters:
+**		fp -- the file pointer
+**		offset -- the new offset position relative to 'whence'
+**		whence -- flag indicating start of 'offset'
+**
+**	Returns:
+**		-1 (error) always.
+*/
+
+off_t
+sm_syslogseek(fp, offset, whence)
+	SM_FILE_T *fp;
+	off_t offset;
+	int whence;
+{
+	errno = ENODEV;
+	return -1;
+}
+
+/*
+**  SM_SYSLOGCLOSE -- close the syslog file pointer
+**
+**	Parameters:
+**		fp -- the file pointer
+**
+**	Returns:
+**		0 (zero) success always (see Overall)
+**
+*/
+
+int
+sm_syslogclose(fp)
+	SM_FILE_T *fp;
+{
+	return 0;
+}
+
+/*
+**  SM_SYSLOGSETINFO -- set information for the file pointer
+**
+**	Parameters:
+**		fp -- the file pointer being set
+**		what -- what information is being set
+**		valp -- information content being set to
+**
+**	Returns:
+**		-1 on failure
+**		0 (zero) on success
+**
+**	Side Effects:
+**		Sets internal file pointer data
+*/
+
+int
+sm_syslogsetinfo(fp, what, valp)
+	SM_FILE_T *fp;
+	int what;
+	void *valp;
+{
+	switch (what)
+	{
+	  case SM_IO_SL_PRIO:
+		fp->f_ival = *((int *)(valp));
+		return 0;
+	  default:
+		errno = EINVAL;
+		return -1;
+	}
+}
+
+/*
+**  SM_SYSLOGGETINFO -- get information relating to the file pointer
+**
+**	Parameters:
+**		fp -- the file pointer being queried
+**		what -- the information type being queried
+**		valp -- location to placed queried information
+**
+**	Returns:
+**		0 (zero) on success
+**		-1 on failure
+**
+**	Side Effects:
+**		Fills in 'valp' with data.
+*/
+
+int
+sm_sysloggetinfo(fp, what, valp)
+	SM_FILE_T *fp;
+	int what;
+	void *valp;
+{
+	switch (what)
+	{
+	  case SM_IO_SL_PRIO:
+		*((int *)(valp)) = fp->f_ival;
+		return 0;
+	  default:
+		errno = EINVAL;
+		return -1;
+	}
+}