1 #ifndef _MAIL_VERSION_H_INCLUDED_
2 #define _MAIL_VERSION_H_INCLUDED_
3 
4 /*++
5 /* NAME
6 /*	mail_version 3h
7 /* SUMMARY
8 /*	globally configurable parameters
9 /* SYNOPSIS
10 /*	#include <mail_version.h>
11 /* DESCRIPTION
12 /* .nf
13 
14  /*
15   * Version of this program. Official versions are called a.b.c, and
16   * snapshots are called a.b-yyyymmdd, where a=major release number, b=minor
17   * release number, c=patchlevel, and yyyymmdd is the release date:
18   * yyyy=year, mm=month, dd=day.
19   *
20   * Patches change both the patchlevel and the release date. Snapshots have no
21   * patchlevel; they change the release date only.
22   */
23 #define MAIL_RELEASE_DATE	"20211107"
24 #define MAIL_VERSION_NUMBER	"3.7"
25 
26 #ifdef SNAPSHOT
27 #define MAIL_VERSION_DATE	"-" MAIL_RELEASE_DATE
28 #else
29 #define MAIL_VERSION_DATE	""
30 #endif
31 
32 #ifdef NONPROD
33 #define MAIL_VERSION_PROD	"-nonprod"
34 #else
35 #define MAIL_VERSION_PROD	""
36 #endif
37 
38 #define VAR_MAIL_VERSION	"mail_version"
39 #define DEF_MAIL_VERSION	MAIL_VERSION_NUMBER MAIL_VERSION_DATE MAIL_VERSION_PROD
40 
41 extern char *var_mail_version;
42 
43  /*
44   * Release date.
45   */
46 #define VAR_MAIL_RELEASE	"mail_release_date"
47 #define DEF_MAIL_RELEASE	MAIL_RELEASE_DATE
48 extern char *var_mail_release;
49 
50  /*
51   * The following macros stamp executable files as well as core dumps. This
52   * information helps to answer the following questions:
53   *
54   * - What Postfix versions(s) are installed on this machine?
55   *
56   * - Is this installation mixing multiple Postfix versions?
57   *
58   * - What Postfix version generated this core dump?
59   *
60   * To find out: strings -f file... | grep mail_version=
61   */
62 #include <string.h>
63 
64 #define MAIL_VERSION_STAMP_DECLARE \
65     char *mail_version_stamp
66 
67 #define MAIL_VERSION_STAMP_ALLOCATE \
68     mail_version_stamp = strdup(VAR_MAIL_VERSION "=" DEF_MAIL_VERSION)
69 
70  /*
71   * Mail version string parser, plus support to compare the compile-time
72   * version string of a Postfix program with the run-time version string of a
73   * Postfix shared library. When programs are not updated, they may fail in
74   * erratic ways when linked against a newer run-time library. Of course the
75   * right solution is so-number versioning of the Postfix run-time library.
76   */
77 typedef struct {
78     char   *program;			/* postfix */
79     int     major;			/* 2 */
80     int     minor;			/* 9 */
81     int     patch;			/* null */
82     char   *snapshot;			/* 20111209-nonprod */
83 } MAIL_VERSION;
84 
85 extern MAIL_VERSION *mail_version_parse(const char *, const char **);
86 extern void mail_version_free(MAIL_VERSION *);
87 extern const char *get_mail_version(void);
88 extern void check_mail_version(const char *);
89 
90 #define MAIL_VERSION_CHECK \
91     check_mail_version(DEF_MAIL_VERSION)
92 
93 /* LICENSE
94 /* .ad
95 /* .fi
96 /*	The Secure Mailer license must be distributed with this software.
97 /* AUTHOR(S)
98 /*	Wietse Venema
99 /*	IBM T.J. Watson Research
100 /*	P.O. Box 704
101 /*	Yorktown Heights, NY 10598, USA
102 /*
103 /*	Wietse Venema
104 /*	Google, Inc.
105 /*	111 8th Avenue
106 /*	New York, NY 10011, USA
107 /*--*/
108 
109 #endif
110