diff options
Diffstat (limited to 'src/cleanup/cleanup_milter.c')
| -rw-r--r-- | src/cleanup/cleanup_milter.c | 35 |
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)); |