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-rw-r--r--debian/examples/milter/Makefile25
-rw-r--r--debian/examples/milter/sample.c236
-rw-r--r--debian/examples/milter/strl.h17
3 files changed, 278 insertions, 0 deletions
diff --git a/debian/examples/milter/Makefile b/debian/examples/milter/Makefile
new file mode 100644
index 0000000..69f5e93
--- /dev/null
+++ b/debian/examples/milter/Makefile
@@ -0,0 +1,25 @@
+#!/usr/bin/make -f
+SHELL= /bin/sh
+
+# Define standard compile/install flags
+CC = gcc
+CFLAGS = -O2 -Wall
+INSTALL = install
+INCLS = -I.
+DEFS =
+CFLAGS += $(DEFS) $(INCLS)
+LDFLAGS =
+LIBS = /usr/lib/libmilter/libmilter.a \
+ /usr/lib/libmilter/libsm.a \
+ -lldap -llber \
+ -lbind \
+ -pthread
+
+all: sample
+
+sample: sample.c
+ @rm -f $@
+ $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $? $(LIBS)
+
+clean:
+ rm -rf sample *~
diff --git a/debian/examples/milter/sample.c b/debian/examples/milter/sample.c
new file mode 100644
index 0000000..4e063ad
--- /dev/null
+++ b/debian/examples/milter/sample.c
@@ -0,0 +1,236 @@
+
+/* A trivial filter that logs all email to a file. */
+
+#include <sys/types.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sysexits.h>
+#include <unistd.h>
+
+#include "libmilter/mfapi.h"
+#include "strl.h" /*RAN*/
+
+typedef int bool;
+
+#ifndef FALSE
+# define FALSE 0
+#endif /* ! FALSE*/
+#ifndef TRUE
+# define TRUE 1
+#endif /* ! TRUE*/
+
+struct mlfiPriv
+{
+ char *mlfi_fname;
+ FILE *mlfi_fp;
+};
+
+#define MLFIPRIV ((struct mlfiPriv *) smfi_getpriv(ctx))
+
+extern sfsistat mlfi_cleanup(SMFICTX *, bool);
+
+sfsistat
+mlfi_envfrom(ctx, envfrom)
+ SMFICTX *ctx;
+ char **envfrom;
+{
+ struct mlfiPriv *priv;
+ int fd;
+
+ /* allocate some private memory */
+ priv = malloc(sizeof *priv);
+ if (priv == NULL)
+ {
+ /* can't accept this message right now */
+ return SMFIS_TEMPFAIL;
+ }
+ memset(priv, '\0', sizeof *priv);
+
+ /* open a file to store this message */
+ priv->mlfi_fname = strdup("/tmp/msg.XXXXXXXX");
+ if (priv->mlfi_fname == NULL)
+ {
+ free(priv);
+ return SMFIS_TEMPFAIL;
+ }
+ if ((fd = mkstemp(priv->mlfi_fname)) < 0 ||
+ (priv->mlfi_fp = fdopen(fd, "w+")) == NULL)
+ {
+ free(priv->mlfi_fname);
+ free(priv);
+ return SMFIS_TEMPFAIL;
+ }
+
+ /* save the private data */
+ smfi_setpriv(ctx, priv);
+
+ /* continue processing */
+ return SMFIS_CONTINUE;
+}
+
+sfsistat
+mlfi_header(ctx, headerf, headerv)
+ SMFICTX *ctx;
+ char *headerf;
+ char *headerv;
+{
+ /* write the header to the log file */
+ fprintf(MLFIPRIV->mlfi_fp, "%s: %s\r\n", headerf, headerv);
+
+ /* continue processing */
+ return SMFIS_CONTINUE;
+}
+
+sfsistat
+mlfi_eoh(ctx)
+ SMFICTX *ctx;
+{
+ /* output the blank line between the header and the body */
+ fprintf(MLFIPRIV->mlfi_fp, "\r\n");
+
+ /* continue processing */
+ return SMFIS_CONTINUE;
+}
+
+sfsistat
+mlfi_body(ctx, bodyp, bodylen)
+ SMFICTX *ctx;
+ u_char *bodyp;
+ size_t bodylen;
+{
+ /* output body block to log file */
+ if (fwrite(bodyp, bodylen, 1, MLFIPRIV->mlfi_fp) <= 0)
+ {
+ /* write failed */
+ (void) mlfi_cleanup(ctx, FALSE);
+ return SMFIS_TEMPFAIL;
+ }
+
+ /* continue processing */
+ return SMFIS_CONTINUE;
+}
+
+sfsistat
+mlfi_eom(ctx)
+ SMFICTX *ctx;
+{
+ return mlfi_cleanup(ctx, TRUE);
+}
+
+sfsistat
+mlfi_close(ctx)
+ SMFICTX *ctx;
+{
+ return SMFIS_ACCEPT;
+}
+
+sfsistat
+mlfi_abort(ctx)
+ SMFICTX *ctx;
+{
+ return mlfi_cleanup(ctx, FALSE);
+}
+
+sfsistat
+mlfi_cleanup(ctx, ok)
+ SMFICTX *ctx;
+ bool ok;
+{
+ sfsistat rstat = SMFIS_CONTINUE;
+ struct mlfiPriv *priv = MLFIPRIV;
+ char *p;
+ char host[512];
+ char hbuf[1024];
+
+ if (priv == NULL)
+ return rstat;
+
+ /* close the archive file */
+ if (priv->mlfi_fp != NULL && fclose(priv->mlfi_fp) == EOF)
+ {
+ /* failed; we have to wait until later */
+ rstat = SMFIS_TEMPFAIL;
+ (void) unlink(priv->mlfi_fname);
+ }
+ else if (ok)
+ {
+ /* add a header to the message announcing our presence */
+ if (gethostname(host, sizeof host) < 0)
+ strlcpy(host, "localhost", sizeof host);
+ p = strrchr(priv->mlfi_fname, '/');
+ if (p == NULL)
+ p = priv->mlfi_fname;
+ else
+ p++;
+ snprintf(hbuf, sizeof hbuf, "%s@%s", p, host);
+ smfi_addheader(ctx, "X-Archived", hbuf);
+ }
+ else
+ {
+ /* message was aborted -- delete the archive file */
+ (void) unlink(priv->mlfi_fname);
+ }
+
+ /* release private memory */
+ free(priv->mlfi_fname);
+ free(priv);
+ smfi_setpriv(ctx, NULL);
+
+ /* return status */
+ return rstat;
+}
+
+struct smfiDesc smfilter =
+{
+ "SampleFilter", /* filter name */
+ SMFI_VERSION, /* version code -- do not change */
+ SMFIF_ADDHDRS, /* flags */
+ NULL, /* connection info filter */
+ NULL, /* SMTP HELO command filter */
+ mlfi_envfrom, /* envelope sender filter */
+ NULL, /* envelope recipient filter */
+ mlfi_header, /* header filter */
+ mlfi_eoh, /* end of header */
+ mlfi_body, /* body block filter */
+ mlfi_eom, /* end of message */
+ mlfi_abort, /* message aborted */
+ mlfi_close /* connection cleanup */
+};
+
+
+int
+main(argc, argv)
+ int argc;
+ char *argv[];
+{
+ int c;
+ const char *args = "p:";
+
+ /* Process command line options */
+ while ((c = getopt(argc, argv, args)) != -1)
+ {
+ switch (c)
+ {
+ case 'p':
+ if (optarg == NULL || *optarg == '\0')
+ {
+ (void) fprintf(stderr, "Illegal conn: %s\n",
+ optarg);
+ exit(EX_USAGE);
+ }
+ (void) smfi_setconn(optarg);
+ break;
+
+ }
+ }
+ if (smfi_register(smfilter) == MI_FAILURE)
+ {
+ fprintf(stderr, "smfi_register failed\n");
+ exit(EX_UNAVAILABLE);
+ }
+ return smfi_main();
+}
+
+/* eof */
+
diff --git a/debian/examples/milter/strl.h b/debian/examples/milter/strl.h
new file mode 100644
index 0000000..f3c8cdb
--- /dev/null
+++ b/debian/examples/milter/strl.h
@@ -0,0 +1,17 @@
+/*-------------------------------------------------------------------*/
+/* strl.h: include file for functions in strl.c */
+/* buried in the bottom of include/sendmail/sendmail.h */
+/* extracted and placed herein. */
+/* */
+/* referenced by: ./sample.c */
+/* defined by: /usr/lib/libmilter/libsm.a */
+/* */
+/* Richard Nelson <cowboy@debian.org> */
+/*-------------------------------------------------------------------*/
+
+#define strlcpy sm_strlcpy
+#define strlcat sm_strlcat
+
+extern size_t sm_strlcpy __P((char *, const char *, size_t));
+extern size_t sm_strlcat __P((char *, const char *, size_t));
+
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