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-rw-r--r--src/src/dmarc.c56
-rw-r--r--src/src/dmarc.h6
2 files changed, 31 insertions, 31 deletions
diff --git a/src/src/dmarc.c b/src/src/dmarc.c
index c8d3f37f0..070095660 100644
--- a/src/src/dmarc.c
+++ b/src/src/dmarc.c
@@ -2,7 +2,7 @@
* Exim - an Internet mail transport agent *
*************************************************/
/* DMARC support.
- Copyright (c) The Exim Maintainers 2019 - 2022
+ Copyright (c) The Exim Maintainers 2019 - 2023
Copyright (c) Todd Lyons <tlyons@exim.org> 2012 - 2014
License: GPL */
/* SPDX-License-Identifier: GPL-2.0-or-later */
@@ -37,7 +37,6 @@ uschar *spf_sender_domain = NULL;
uschar *spf_human_readable = NULL;
u_char *header_from_sender = NULL;
int history_file_status = DMARC_HIST_OK;
-uschar *dkim_history_buffer= NULL;
typedef struct dmarc_exim_p {
uschar *name;
@@ -92,7 +91,7 @@ messages on the same SMTP connection (that come from the
same host with the same HELO string) */
int
-dmarc_init()
+dmarc_init(void)
{
int *netmask = NULL; /* Ignored */
int is_ipv6 = 0;
@@ -124,7 +123,7 @@ if (libdm_status != DMARC_PARSE_OKAY)
}
if (!dmarc_tld_file || !*dmarc_tld_file)
{
- DEBUG(D_receive) debug_printf("DMARC: no dmarc_tld_file\n");
+ DEBUG(D_receive) debug_printf_indent("DMARC: no dmarc_tld_file\n");
dmarc_abort = TRUE;
}
else if (opendmarc_tld_read_file(CS dmarc_tld_file, NULL, NULL, NULL))
@@ -135,7 +134,7 @@ else if (opendmarc_tld_read_file(CS dmarc_tld_file, NULL, NULL, NULL))
}
if (!sender_host_address)
{
- DEBUG(D_receive) debug_printf("DMARC: no sender_host_address\n");
+ DEBUG(D_receive) debug_printf_indent("DMARC: no sender_host_address\n");
dmarc_abort = TRUE;
}
/* This catches locally originated email and startup errors above. */
@@ -203,7 +202,7 @@ if ( dmarc_policy == DMARC_POLICY_REJECT && action == DMARC_RESULT_REJECT
/* Move to first character past the colon */
recipient += 7;
DEBUG(D_receive)
- debug_printf("DMARC forensic report to %s%s\n", recipient,
+ debug_printf_indent("DMARC forensic report to %s%s\n", recipient,
(host_checking || f.running_in_test_harness) ? " (not really)" : "");
if (host_checking || f.running_in_test_harness)
continue;
@@ -241,7 +240,7 @@ return NULL;
static int
-dmarc_write_history_file()
+dmarc_write_history_file(const gstring * dkim_history_buffer)
{
int history_file_fd = 0;
ssize_t written_len;
@@ -251,14 +250,15 @@ gstring * g;
if (!dmarc_history_file)
{
- DEBUG(D_receive) debug_printf("DMARC history file not set\n");
+ DEBUG(D_receive) debug_printf_indent("DMARC history file not set\n");
return DMARC_HIST_DISABLED;
}
if (!host_checking)
if ((history_file_fd = log_open_as_exim(dmarc_history_file)) < 0)
{
- log_write(0, LOG_MAIN|LOG_PANIC, "failure to create DMARC history file: %s",
- dmarc_history_file);
+ log_write(0, LOG_MAIN|LOG_PANIC,
+ "failure to create DMARC history file: %s: %s",
+ dmarc_history_file, strerror(errno));
return DMARC_HIST_FILE_ERR;
}
@@ -272,7 +272,7 @@ if (spf_response)
g = string_fmt_append(g, "spf %d\n", dmarc_spf_ares_result);
if (dkim_history_buffer)
- g = string_cat(g, dkim_history_buffer);
+ g = string_fmt_append(g, "%Y", dkim_history_buffer);
g = string_fmt_append(g, "pdomain %s\npolicy %d\n",
dmarc_used_domain, dmarc_policy);
@@ -304,7 +304,7 @@ g = string_fmt_append(g, "align_dkim %d\nalign_spf %d\naction %d\n",
/* Write the contents to the history file */
DEBUG(D_receive)
{
- debug_printf("DMARC logging history data for opendmarc reporting%s\n",
+ debug_printf_indent("DMARC logging history data for opendmarc reporting%s\n",
host_checking ? " (not really)" : "");
debug_printf_indent("DMARC history data for debugging:\n");
expand_level++;
@@ -334,7 +334,7 @@ context (if any), retrieves the result, sets up expansion
strings and evaluates the condition outcome. */
int
-dmarc_process()
+dmarc_process(void)
{
int sr, origin; /* used in SPF section */
int dmarc_spf_result = 0; /* stores spf into dmarc conn ctx */
@@ -356,7 +356,7 @@ there was a previous error. */
if (!from_header)
{
- DEBUG(D_receive) debug_printf("DMARC: no From: header\n");
+ DEBUG(D_receive) debug_printf_indent("DMARC: no From: header\n");
dmarc_abort = TRUE;
}
else if (!dmarc_abort)
@@ -397,7 +397,7 @@ instead do this in the ACLs. */
if (!dmarc_abort && !sender_host_authenticated)
{
uschar * dmarc_domain;
- gstring * g = NULL;
+ gstring * dkim_history_buffer = NULL;
/* Use the envelope sender domain for this part of DMARC */
@@ -413,7 +413,7 @@ if (!dmarc_abort && !sender_host_authenticated)
log_write(0, LOG_MAIN, "DMARC using synthesized SPF sender domain = %s\n",
spf_sender_domain);
DEBUG(D_receive)
- debug_printf("DMARC using synthesized SPF sender domain = %s\n",
+ debug_printf_indent("DMARC using synthesized SPF sender domain = %s\n",
spf_sender_domain);
}
dmarc_spf_result = DMARC_POLICY_SPF_OUTCOME_NONE;
@@ -440,7 +440,7 @@ if (!dmarc_abort && !sender_host_authenticated)
origin = DMARC_POLICY_SPF_ORIGIN_MAILFROM;
spf_human_readable = US spf_response->header_comment;
DEBUG(D_receive)
- debug_printf("DMARC using SPF sender domain = %s\n", spf_sender_domain);
+ debug_printf_indent("DMARC using SPF sender domain = %s\n", spf_sender_domain);
}
if (strcmp( CCS spf_sender_domain, "") == 0)
dmarc_abort = TRUE;
@@ -468,14 +468,14 @@ if (!dmarc_abort && !sender_host_authenticated)
DMARC_POLICY_DKIM_OUTCOME_NONE;
libdm_status = opendmarc_policy_store_dkim(dmarc_pctx, US sig->domain,
-/* The opendmarc project broke its API in a way we can't detect * easily.
+/* The opendmarc project broke its API in a way we can't detect easily.
The EDITME provides a DMARC_API variable */
#if DMARC_API >= 100400
sig->selector,
#endif
dkim_result, US"");
DEBUG(D_receive)
- debug_printf("DMARC adding DKIM sender domain = %s\n", sig->domain);
+ debug_printf_indent("DMARC adding DKIM sender domain = %s\n", sig->domain);
if (libdm_status != DMARC_PARSE_OKAY)
log_write(0, LOG_MAIN|LOG_PANIC,
"failure to store dkim (%s) for DMARC: %s",
@@ -493,14 +493,13 @@ The EDITME provides a DMARC_API variable */
ARES_RESULT_UNKNOWN :
ARES_RESULT_UNKNOWN;
#if DMARC_API >= 100400
- g = string_fmt_append(g,
+ dkim_history_buffer = string_fmt_append(dkim_history_buffer,
"dkim %s %s %d\n", sig->domain, sig->selector, dkim_ares_result);
#else
- g = string_fmt_append(g,
+ dkim_history_buffer = string_fmt_append(dkim_history_buffer,
"dkim %s %d\n", sig->domain, dkim_ares_result);
#endif
}
- dkim_history_buffer = string_from_gstring(g);
/* Look up DMARC policy record in DNS. We do this explicitly, rather than
letting the dmarc library do it with opendmarc_policy_query_dmarc(), so that
@@ -515,23 +514,24 @@ The EDITME provides a DMARC_API variable */
case DMARC_DNS_ERROR_NXDOMAIN:
case DMARC_DNS_ERROR_NO_RECORD:
DEBUG(D_receive)
- debug_printf("DMARC no record found for %s\n", header_from_sender);
+ debug_printf_indent("DMARC no record found for %s\n", header_from_sender);
has_dmarc_record = FALSE;
break;
case DMARC_PARSE_OKAY:
DEBUG(D_receive)
- debug_printf("DMARC record found for %s\n", header_from_sender);
+ debug_printf_indent("DMARC record found for %s\n", header_from_sender);
break;
case DMARC_PARSE_ERROR_BAD_VALUE:
DEBUG(D_receive)
- debug_printf("DMARC record parse error for %s\n", header_from_sender);
+ debug_printf_indent("DMARC record parse error for %s\n", header_from_sender);
has_dmarc_record = FALSE;
break;
default:
/* everything else, skip dmarc */
DEBUG(D_receive)
- debug_printf("DMARC skipping (%d), unsure what to do with %s",
- libdm_status, from_header->text);
+ debug_printf_indent("DMARC skipping (%s), unsure what to do with %s",
+ opendmarc_policy_status_to_str(libdm_status),
+ from_header->text);
has_dmarc_record = FALSE;
break;
}
@@ -620,7 +620,7 @@ The EDITME provides a DMARC_API variable */
sa==DMARC_POLICY_SPF_ALIGNMENT_PASS ?"yes":"no",
da==DMARC_POLICY_DKIM_ALIGNMENT_PASS ?"yes":"no",
dmarc_status_text);
- history_file_status = dmarc_write_history_file();
+ history_file_status = dmarc_write_history_file(dkim_history_buffer);
/* Now get the forensic reporting addresses, if any */
ruf = opendmarc_policy_fetch_ruf(dmarc_pctx, NULL, 0, 1);
dmarc_send_forensic_report(ruf);
diff --git a/src/src/dmarc.h b/src/src/dmarc.h
index 86d3b1e1c..7ce0ca953 100644
--- a/src/src/dmarc.h
+++ b/src/src/dmarc.h
@@ -3,7 +3,7 @@
*************************************************/
/* Experimental DMARC support.
- Copyright (c) The Exim Maintainers 2021 - 2022
+ Copyright (c) The Exim Maintainers 2021 - 2023
Copyright (c) Todd Lyons <tlyons@exim.org> 2012 - 2014
License: GPL */
/* SPDX-License-Identifier: GPL-2.0-or-later */
@@ -20,9 +20,9 @@
/* prototypes */
gstring * dmarc_version_report(gstring *);
-int dmarc_init();
+int dmarc_init(void);
int dmarc_store_data(header_line *);
-int dmarc_process();
+int dmarc_process(void);
uschar *dmarc_exim_expand_query(int);
uschar *dmarc_exim_expand_defaults(int);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-28 20:04:21 +0000