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-rw-r--r--src/cleanup/cleanup_milter.c35
1 files changed, 21 insertions, 14 deletions
diff --git a/src/cleanup/cleanup_milter.c b/src/cleanup/cleanup_milter.c
index 11510b5..beb70f8 100644
--- a/src/cleanup/cleanup_milter.c
+++ b/src/cleanup/cleanup_milter.c
@@ -119,6 +119,7 @@
#include <dsn_util.h>
#include <xtext.h>
#include <info_log_addr_form.h>
+#include <header_opts.h>
/* Application-specific. */
@@ -754,14 +755,26 @@ static const char *cleanup_add_header(void *context, const char *name,
*/
}
+/* hidden_header - respect milter header hiding protocol */
+
+static int hidden_header(VSTRING *buf, ARGV *auto_hdrs, int *hide_done)
+{
+ char **cpp;
+ int mask;
+
+ for (cpp = auto_hdrs->argv, mask = 1; *cpp; cpp++, mask <<= 1)
+ if ((*hide_done & mask) == 0 && strncmp(*cpp, STR(buf), LEN(buf)) == 0)
+ return (*hide_done |= mask);
+ return (0);
+}
+
/* cleanup_find_header_start - find specific header instance */
static off_t cleanup_find_header_start(CLEANUP_STATE *state, ssize_t index,
const char *header_label,
VSTRING *buf,
int *prec_type,
- int allow_ptr_backup,
- int skip_headers)
+ int allow_ptr_backup)
{
const char *myname = "cleanup_find_header_start";
off_t curr_offset; /* offset after found record */
@@ -770,7 +783,7 @@ static off_t cleanup_find_header_start(CLEANUP_STATE *state, ssize_t index,
int rec_type = REC_TYPE_ERROR;
int last_type;
ssize_t len;
- int hdr_count = 0;
+ int hide_done = 0;
if (msg_verbose)
msg_info("%s: index %ld name \"%s\"",
@@ -912,11 +925,10 @@ static off_t cleanup_find_header_start(CLEANUP_STATE *state, ssize_t index,
break;
}
/* This the start of a message header. */
- else if (hdr_count++ < skip_headers)
- /* Reset the saved PTR record and update last_type. */ ;
else if ((header_label == 0
|| (strncasecmp(header_label, STR(buf), len) == 0
- && (strlen(header_label) == len)))
+ && strlen(header_label) == len
+ && !hidden_header(buf, state->auto_hdrs, &hide_done)))
&& --index == 0) {
/* If we have a saved PTR record, it points to start of header. */
break;
@@ -1182,15 +1194,12 @@ static const char *cleanup_ins_header(void *context, ssize_t index,
*/
#define NO_HEADER_NAME ((char *) 0)
#define ALLOW_PTR_BACKUP 1
-#define SKIP_ONE_HEADER 1
-#define DONT_SKIP_HEADERS 0
if (index < 1)
index = 1;
old_rec_offset = cleanup_find_header_start(state, index, NO_HEADER_NAME,
old_rec_buf, &old_rec_type,
- ALLOW_PTR_BACKUP,
- DONT_SKIP_HEADERS);
+ ALLOW_PTR_BACKUP);
if (old_rec_offset == CLEANUP_FIND_HEADER_IOERROR)
/* Warning and errno->error mapping are done elsewhere. */
CLEANUP_INS_HEADER_RETURN(cleanup_milter_error(state, 0));
@@ -1270,8 +1279,7 @@ static const char *cleanup_upd_header(void *context, ssize_t index,
rec_buf = vstring_alloc(100);
old_rec_offset = cleanup_find_header_start(state, index, new_hdr_name,
rec_buf, &last_type,
- NO_PTR_BACKUP,
- SKIP_ONE_HEADER);
+ NO_PTR_BACKUP);
if (old_rec_offset == CLEANUP_FIND_HEADER_IOERROR)
/* Warning and errno->error mapping are done elsewhere. */
CLEANUP_UPD_HEADER_RETURN(cleanup_milter_error(state, 0));
@@ -1333,8 +1341,7 @@ static const char *cleanup_del_header(void *context, ssize_t index,
rec_buf = vstring_alloc(100);
header_offset = cleanup_find_header_start(state, index, hdr_name, rec_buf,
- &last_type, NO_PTR_BACKUP,
- SKIP_ONE_HEADER);
+ &last_type, NO_PTR_BACKUP);
if (header_offset == CLEANUP_FIND_HEADER_IOERROR)
/* Warning and errno->error mapping are done elsewhere. */
CLEANUP_DEL_HEADER_RETURN(cleanup_milter_error(state, 0));