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Merge vendor sendmail 8.18.1 into HEAD (cherry picked from commit d39bd2c1388b520fcba9abed1932acacead60fba) Add new source file for sendmail 8.18.1 (cherry picked from commit 19d4fb85bf17579780e8f0c3cbae8a5e92a6922e) New sendmail 8.18.1 cf file (cherry picked from commit 1b6a5580c1f999fb1ba5f9860cf63a8aefc55b3c) Minor change to update these files so new freebsd*.cf files are generated (cherry picked from commit 2c191ba6b0b5d1b3729a5ac428d51cfc5d5f3d2e) Belatedly update version and date for sendmail 8.18.1 upgrade (cherry picked from commit 31fbc98c949bfca30ab55afef04b4396a61b7e92) Add a note about sendmail 8.18.1's stricter SMTP protocol enforcement (akin to commit 21c1f1deb6a3ac6a60e4516261e5264a28e0b7a6 in main) Update import date for stable/14 Relnotes: Yes Security: CVE-2023-51765
130 lines
4.3 KiB
Text
130 lines
4.3 KiB
Text
# Copyright (c) 2000-2002 Proofpoint, Inc. and its suppliers.
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# All rights reserved.
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#
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# By using this file, you agree to the terms and conditions set
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# forth in the LICENSE file which can be found at the top level of
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# the sendmail distribution.
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#
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# $Id: README,v 1.25 2013-11-22 20:51:42 ca Exp $
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#
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Libsm is a library of generally useful C abstractions.
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For documentation, see index.html.
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Libsm stands alone; it depends on no other sendmail libraries,
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and the only sendmail header files it depends on are its own,
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which reside in ../include/sm.
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The t-*.c files are regression tests.
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These tests are incomplete: we do not yet test all of the APIs,
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and we have not yet converted all tests to use the test harness.
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If a test fails read the explanation it generates. Sometimes it
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is sufficient to change a compile time flag, which are also listed
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below. If that does not help, check the sendmail/README files for
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problems on your OS.
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The b-*.c files are benchmarks that compare system routines with
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those provided by libsm. By default sendmail uses the routines
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provided by the OS. In several cases, the routines provided by
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libsm are faster than those of the OS. If your OS provides the
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routines, you can compare the performance of them with the libsm
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versions by running the programs with the option -d (by default
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the programs just issue an explanation when/how to use them).
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The programs are:
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b-strcmp.c tests strcasecmp().
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+----------------------+
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| CONFIGURATION MACROS |
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+----------------------+
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Libsm uses a set of C preprocessor macros to specify platform specific
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features of the C compiler and standard C libraries.
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If you are porting sendmail to a new platform, you may need to tweak
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the values of some of these macros.
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The following macros are given default values in <sm/config.h>.
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If the default value is wrong for a given platform, then a platform
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specific value is specified in one of two ways:
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- A -D option is added to the confENVDEF macro; this change can be made
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to the platform M4 file in devtools/OS, or to the site.config.m4
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file in devtools/Site.
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- The confSM_OS_HEADER macro in the platform M4 file defines sm_os_foo,
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which forces "sm/os/sm_os_foo.h" to be included by "sm/config.h" via a
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link that is made from "sm_os.h" to "sm/os/sm_os_foo.h". Platform
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specific configuration macro settings are added to <sm/os/sm_os_foo.h>.
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SM_CONF_STDBOOL_H
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Set to 1 if the header file <stdbool.h> exists,
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and defines true, false and bool.
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SM_CONF_SYS_CDEFS_H
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Set to 1 if the header file <sys/cdefs.h> exists,
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and defines __P. You may need to do this to eliminate
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warnings about __P being multiply defined.
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SM_CONF_STDDEF_H
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Set to 0 if the header file <stddef.h> does not exist.
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SM_CONF_SETITIMER
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Set to 0 if the setitimer function is not available.
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SM_CONF_SYSEXITS_H
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Set to 1 if <sysexits.h> exists, and sets the EX_* macros
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to values different from the default BSD values in <sm/sysexits.h>.
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SM_CONF_UID_GID
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Set to 0 if <sys/types.h> does not define uid_t and gid_t.
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SM_CONF_SSIZE_T
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Set to 0 if <sys/types.h> does not define ssize_t.
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SM_CONF_BROKEN_SIZE_T
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Set to 1 if size_t is not unsigned.
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SM_CONF_LONGLONG
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Set to 1 if your C compiler supports the 'long long' type.
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This will be set automatically if you use gcc or a C compiler
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that conforms to the 1999 ISO C standard.
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SM_CONF_QUAD_T
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Set to 1 if your C compiler does not support 'long long',
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but <sys/types.h> defines quad_t as an integral type.
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SM_CONF_SHM
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Set to 1 if System V shared memory APIs are available.
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SM_CONF_MSG
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Set to 1 if System V message queues are available.
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SM_CONF_SEM
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Set to 1 if semaphores are available.
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SM_CONF_BROKEN_STRTOD
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Set to 1 if your strtod() does not work properly.
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SM_CONF_LDAP_INITIALIZE
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Set to 1 if your LDAP client libraries include ldap_initialize(3).
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SM_CONF_LDAP_MEMFREE
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Set to 1 if your LDAP client libraries include ldap_memfree(3).
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SM_IO_MAX_BUF_FILE
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Set this to a useful buffer size for regular files if stat(2)
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does not return a value for st_blksize that is the
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"optimal blocksize for I/O".
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SM_IO_MAX_BUF
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Set this to a useful maximum buffer size for other than
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regular files if stat(2) does not return a value for
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st_blksize that is the "optimal blocksize for I/O".
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SM_IO_MIN_BUF
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Set this to a useful minimum buffer size for other than
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regular files if stat(2) does not return a value for
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st_blksize that is the "optimal blocksize for I/O".
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