Gitweb:
http://git.exim.org/exim.git/commitdiff/e9477a08d2d1f528b1f127f1d563d77e2cf24a22
Commit: e9477a08d2d1f528b1f127f1d563d77e2cf24a22
Parent: a163908a12546834f355c40c87b6cb859302b1c6
Author: Jeremy Harris <jgh146exb@???>
AuthorDate: Mon Nov 10 16:41:12 2014 +0000
Committer: Jeremy Harris <jgh146exb@???>
CommitDate: Tue Nov 11 23:28:58 2014 +0000
Handle UTC vs specified-timezone for certificate extractors. Bug 1541
---
doc/doc-docbook/spec.xfpt | 6 ++-
doc/doc-txt/ChangeLog | 4 ++
src/src/os.c | 33 --------------------
src/src/tls.c | 22 +++++++++++++
src/src/tlscert-gnu.c | 15 ++++++---
src/src/tlscert-openssl.c | 73 +++++++++++++++++++++++++++++++++------------
test/confs/2002 | 1 +
test/confs/2102 | 4 ++-
test/confs/5750 | 1 +
test/confs/5760 | 1 +
test/log/2102 | 5 ++-
test/log/5760 | 8 ++--
12 files changed, 107 insertions(+), 66 deletions(-)
diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt
index 20bfb40..8b1a17b 100644
--- a/doc/doc-docbook/spec.xfpt
+++ b/doc/doc-docbook/spec.xfpt
@@ -8939,8 +8939,10 @@ a right angle-bracket followed immediately by the new separator.
Recognised RDN type labels include "CN", "O", "OU" and "DC".
The field selectors marked as "time" above
-may output a number of seconds since epoch
-if the modifier "int" is used.
+take an optional modifier of "int"
+for which the result is the number of seconds since epoch.
+Otherwise the result is a human-readable string
+in the timezone selected by the main "timezone" option.
The field selectors marked as "list" above return a list,
newline-separated by default,
diff --git a/doc/doc-txt/ChangeLog b/doc/doc-txt/ChangeLog
index 997a459..ae7a06a 100644
--- a/doc/doc-txt/ChangeLog
+++ b/doc/doc-txt/ChangeLog
@@ -67,6 +67,10 @@ JH/09 When compiled with OpenSSL and EXPERIMENTAL_CERTNAMES, the checks on
"tls_verify_cert_hostname" now do not permit multi-component wildcard
matches.
+JH/10 Time-related extraction expansions from certificates now use the main
+ option "timezone" setting for output formatting, and are consistent
+ between OpenSSL and GnuTLS compilations. Bug 1541.
+
Exim version 4.84
-----------------
diff --git a/src/src/os.c b/src/src/os.c
index 2b6f79c..6e02b8f 100644
--- a/src/src/os.c
+++ b/src/src/os.c
@@ -836,39 +836,6 @@ os_get_dns_resolver_res(void)
/* ----------------------------------------------------------------------- */
-/***********************************************************
-* Time-related functions *
-***********************************************************/
-
-/* At least Solaris, and probably others, don't have this */
-
-#ifndef _BSD_SOURCE
-
-# include <time.h>
-# include <stdlib.h>
-
-time_t
-timegm(struct tm * tm)
-{
-time_t ret;
-char *tz;
-
-tz = getenv("TZ");
-setenv("TZ", "", 1);
-tzset();
-ret = mktime(tm);
-if (tz)
- setenv("TZ", tz, 1);
-else
- unsetenv("TZ");
-tzset();
-return ret;
-}
-
-#endif
-
-/* ----------------------------------------------------------------------- */
-
diff --git a/src/src/tls.c b/src/src/tls.c
index f2ab567..305eaa4 100644
--- a/src/src/tls.c
+++ b/src/src/tls.c
@@ -81,6 +81,28 @@ return TRUE;
/*************************************************
+* Timezone environment flipping *
+*************************************************/
+
+static uschar *
+to_tz(uschar * tz)
+{
+ uschar * old = US getenv("TZ");
+ setenv("TZ", CS tz, 1);
+ tzset();
+ return old;
+}
+static void
+restore_tz(uschar * tz)
+{
+ if (tz)
+ setenv("TZ", CS tz, 1);
+ else
+ unsetenv("TZ");
+ tzset();
+}
+
+/*************************************************
* Many functions are package-specific *
*************************************************/
diff --git a/src/src/tlscert-gnu.c b/src/src/tlscert-gnu.c
index 3261c4e..c0ca7c9 100644
--- a/src/src/tlscert-gnu.c
+++ b/src/src/tlscert-gnu.c
@@ -98,15 +98,20 @@ static uschar *
time_copy(time_t t, uschar * mod)
{
uschar * cp;
-struct tm * tp;
-size_t len;
+size_t len = 32;
if (mod && Ustrcmp(mod, "int") == 0)
return string_sprintf("%u", (unsigned)t);
-cp = store_get(32);
-tp = gmtime(&t);
-len = strftime(CS cp, 32, "%b %e %T %Y %Z", tp);
+cp = store_get(len);
+if (timestamps_utc)
+ {
+ char * tz = to_tz("GMT0");
+ len = strftime(CS cp, len, "%b %e %T %Y %Z", gmtime(&t));
+ restore_tz(tz);
+ }
+else
+ len = strftime(CS cp, len, "%b %e %T %Y %Z", localtime(&t));
return len > 0 ? cp : NULL;
}
diff --git a/src/src/tlscert-openssl.c b/src/src/tlscert-openssl.c
index 9444b6d..8f0fb4d 100644
--- a/src/src/tlscert-openssl.c
+++ b/src/src/tlscert-openssl.c
@@ -103,30 +103,65 @@ return cp;
}
static uschar *
-bio_string_time_to_int(BIO * bp, int len)
-{
-uschar * cp = US"";
-struct tm t;
-len = len > 0 ? (int) BIO_get_mem_data(bp, &cp) : 0;
-/*XXX %Z might be glibc-specific? */
-(void) strptime(CS cp, "%b%t%e%t%T%t%Y%t%Z", &t);
-BIO_free(bp);
-/*XXX timegm might not be portable? */
-return string_sprintf("%u", (unsigned) timegm(&t));
-}
-
-static uschar *
-asn1_time_copy(const ASN1_TIME * time, uschar * mod)
+asn1_time_copy(const ASN1_TIME * asntime, uschar * mod)
{
+uschar * s = NULL;
BIO * bp = BIO_new(BIO_s_mem());
int len;
-if (!bp) return badalloc();
+if (!bp)
+ return badalloc();
+len = ASN1_TIME_print(bp, asntime);
+len = len > 0 ? (int) BIO_get_mem_data(bp, &s) : 0;
-len = ASN1_TIME_print(bp, time);
-return mod && Ustrcmp(mod, "int") == 0
- ? bio_string_time_to_int(bp, len)
- : bio_string_copy(bp, len);
+if (mod && Ustrcmp(mod, "raw") == 0) /* native ASN */
+ s = string_copyn(s, len);
+else
+ {
+ struct tm tm;
+ struct tm * tm_p = &tm;
+ BOOL mod_tz;
+ char * tz = to_tz("GMT0"); /* need to call strptime with baseline TZ */
+
+ /* Parse OpenSSL ASN1_TIME_print output. A shame there seems to
+ be no other interface for the times.
+ */
+
+ /*XXX %Z might be glibc-specific? Solaris has it, at least*/
+ /*XXX should we switch to POSIX locale for this? */
+ tm.tm_isdst = 0;
+ if (!strptime(CCS s, "%b %e %T %Y %Z", &tm))
+ expand_string_message = US"failed time conversion";
+
+ else
+ {
+ time_t t = mktime(&tm); /* make the tm self-consistent */
+
+ if (mod && Ustrcmp(mod, "int") == 0) /* seconds since epoch */
+ s = string_sprintf("%u", t);
+
+ else
+ {
+ if (!timestamps_utc) /* decoded string in local TZ */
+ { /* shift to local TZ */
+ restore_tz(tz);
+ mod_tz = FALSE;
+ tm_p = localtime(&t);
+ }
+ /* "utc" is default, and rfc5280 says cert times should be Zulu */
+
+ /* convert to string in our format */
+ len = 32;
+ s = store_get(len);
+ strftime(CS s, (size_t)len, "%b %e %T %Y %z", tm_p);
+ }
+ }
+
+ if (mod_tz);
+ restore_tz(tz);
+ }
+BIO_free(bp);
+return s;
}
static uschar *
diff --git a/test/confs/2002 b/test/confs/2002
index 9f664e8..69fc749 100644
--- a/test/confs/2002
+++ b/test/confs/2002
@@ -8,6 +8,7 @@ spool_directory = DIR/spool
log_file_path = DIR/spool/log/%slog
gecos_pattern = ""
gecos_name = CALLER_NAME
+timezone = UTC
# ----- Main settings -----
diff --git a/test/confs/2102 b/test/confs/2102
index 7d5d13a..88453ed 100644
--- a/test/confs/2102
+++ b/test/confs/2102
@@ -8,6 +8,7 @@ spool_directory = DIR/spool
log_file_path = DIR/spool/log/%slog
gecos_pattern = ""
gecos_name = CALLER_NAME
+timezone = UTC
# ----- Main settings -----
@@ -53,7 +54,8 @@ check_recipient:
logwrite = SN <${certextract {subject} {$tls_in_peercert}}>
logwrite = IN <${certextract {issuer} {$tls_in_peercert}}>
logwrite = IN/O <${certextract {issuer,O} {$tls_in_peercert}}>
- logwrite = NB <${certextract {notbefore} {$tls_in_peercert}}>
+ logwrite = NB/r <${certextract {notbefore,raw} {$tls_in_peercert}}>
+ logwrite = NB <${certextract {notbefore} {$tls_in_peercert}}>
logwrite = NB/i <${certextract {notbefore,int}{$tls_in_peercert}}>
logwrite = NA <${certextract {notafter} {$tls_in_peercert}}>
logwrite = SA <${certextract {sig_algorithm}{$tls_in_peercert}}>
diff --git a/test/confs/5750 b/test/confs/5750
index 3898530..a0bce02 100644
--- a/test/confs/5750
+++ b/test/confs/5750
@@ -11,6 +11,7 @@ spool_directory = DIR/spool
log_file_path = DIR/spool/log/SERVER%slog
gecos_pattern = ""
gecos_name = CALLER_NAME
+timezone = UTC
# ----- Main settings -----
diff --git a/test/confs/5760 b/test/confs/5760
index d07aa8d..3417a2d 100644
--- a/test/confs/5760
+++ b/test/confs/5760
@@ -11,6 +11,7 @@ spool_directory = DIR/spool
log_file_path = DIR/spool/log/SERVER%slog
gecos_pattern = ""
gecos_name = CALLER_NAME
+timezone = UTC
# ----- Main settings -----
diff --git a/test/log/2102 b/test/log/2102
index 68a21bb..da79a81 100644
--- a/test/log/2102
+++ b/test/log/2102
@@ -14,9 +14,10 @@
1999-03-02 09:44:33 SN <CN=server2.example.com>
1999-03-02 09:44:33 IN <CN=clica Signing Cert,O=example.com>
1999-03-02 09:44:33 IN/O <example.com>
-1999-03-02 09:44:33 NB <Nov 1 12:34:06 2012 GMT>
+1999-03-02 09:44:33 NB/r <Nov 1 12:34:06 2012 GMT>
+1999-03-02 09:44:33 NB <Nov 1 12:34:06 2012 +0000>
1999-03-02 09:44:33 NB/i <1351773246>
-1999-03-02 09:44:33 NA <Jan 1 12:34:06 2038 GMT>
+1999-03-02 09:44:33 NA <Jan 1 12:34:06 2038 +0000>
1999-03-02 09:44:33 SA <sha1WithRSAEncryption>
1999-03-02 09:44:33 SG < 6c:37:41:26:4d:5d:f4:b5:31:10:67:ca:fb:64:b6:22:98:62:\n f7:1e:95:7b:6c:e6:74:47:21:f4:5e:89:36:3e:b9:9c:8a:c5:\n 52:bb:c4:af:12:93:26:3b:d7:3d:e0:56:71:1e:1d:21:20:02:\n ed:f0:4e:d5:5e:45:42:fd:3c:38:41:54:83:86:0b:3b:bf:c5:\n 47:39:ff:15:ea:93:dc:fd:c7:3d:18:58:59:ca:dd:2a:d8:b9:\n f9:2f:b9:76:93:f4:ae:e3:91:56:80:2f:8c:04:2f:ad:57:ef:\n d2:51:19:f4:b4:ef:32:9c:ac:3a:7c:0d:b8:39:db:b1:e3:30:\n 73:1a\n>
1999-03-02 09:44:33 SAN <DNS=server2.example.com>
diff --git a/test/log/5760 b/test/log/5760
index 691ccda..3775779 100644
--- a/test/log/5760
+++ b/test/log/5760
@@ -9,8 +9,8 @@
1999-03-02 09:44:33 10HmaX-0005vi-00 ver <2>
1999-03-02 09:44:33 10HmaX-0005vi-00 SN <CN=clica CA,O=example.com>
1999-03-02 09:44:33 10HmaX-0005vi-00 IN <CN=clica CA,O=example.com>
-1999-03-02 09:44:33 10HmaX-0005vi-00 NB <Nov 1 12:34:04 2012 GMT>
-1999-03-02 09:44:33 10HmaX-0005vi-00 NA <Jan 1 12:34:04 2038 GMT>
+1999-03-02 09:44:33 10HmaX-0005vi-00 NB <Nov 1 12:34:04 2012 +0000>
+1999-03-02 09:44:33 10HmaX-0005vi-00 NA <Jan 1 12:34:04 2038 +0000>
1999-03-02 09:44:33 10HmaX-0005vi-00 SA <sha1WithRSAEncryption>
1999-03-02 09:44:33 10HmaX-0005vi-00 SG < 89:fd:fb:cb:b2:42:d6:aa:f2:c0:44:a2:14:e5:ab:22:50:41:\n e6:64:e7:1c:5a:20:b6:0f:fe:b0:88:c5:cf:b3:e5:f8:0e:87:\n eb:ac:07:d6:9d:6a:20:f6:dd:13:ee:b8:3f:cf:d9:cd:d4:a8:\n 72:50:5a:a2:14:4e:ee:3a:78:e2:a7:f4:ae:d7:ee:77:48:1f:\n 75:a7:68:2f:ee:e2:7c:ac:2f:e4:88:02:e8:3b:db:f9:35:04:\n 05:46:35:0b:f2:35:03:21:b6:1e:82:7d:94:e0:63:4b:60:71:\n 2d:19:45:21:f2:85:b4:c3:d0:77:a2:24:32:36:f3:50:68:38:\n 98:e6\n>
1999-03-02 09:44:33 10HmaX-0005vi-00 (no SAN)
@@ -32,8 +32,8 @@
1999-03-02 09:44:33 10HmaY-0005vi-00 ver <2>
1999-03-02 09:44:33 10HmaY-0005vi-00 SN <CN=server1.example.com>
1999-03-02 09:44:33 10HmaY-0005vi-00 IN <CN=clica Signing Cert,O=example.com>
-1999-03-02 09:44:33 10HmaY-0005vi-00 NB <Nov 1 12:34:05 2012 GMT>
-1999-03-02 09:44:33 10HmaY-0005vi-00 NA <Jan 1 12:34:05 2038 GMT>
+1999-03-02 09:44:33 10HmaY-0005vi-00 NB <Nov 1 12:34:05 2012 +0000>
+1999-03-02 09:44:33 10HmaY-0005vi-00 NA <Jan 1 12:34:05 2038 +0000>
1999-03-02 09:44:33 10HmaY-0005vi-00 SA <sha1WithRSAEncryption>
1999-03-02 09:44:33 10HmaY-0005vi-00 SG < 56:3a:a4:3c:cb:eb:b8:27:c2:90:08:74:13:88:dc:48:c6:b5:\n 2c:e5:26:be:5b:91:d4:67:e7:3c:49:12:d7:47:30:df:98:db:\n 58:ed:18:a8:7d:4b:db:97:48:f5:5c:7f:70:b9:37:63:33:f1:\n 24:62:72:92:60:f5:6e:da:b6:bc:73:c8:c2:dc:d6:95:9a:bd:\n 16:16:a2:ef:0a:f1:d7:41:68:f6:ad:98:5a:d0:ff:d9:1b:51:\n 9f:59:ce:2f:3d:84:d0:ee:e8:2b:eb:9b:32:1a:0e:02:3e:cc:\n 30:89:44:09:2a:75:81:46:a7:b6:ed:7d:41:eb:5a:63:fa:9c:\n 58:ef\n>
1999-03-02 09:44:33 10HmaY-0005vi-00 SAN <DNS=server1.example.com;DNS=alternatename2.server1.example.com;DNS=alternatename.server1.example.com>