authinfo.c

   1 /*
   2 ** Copyright 2004 Double Precision, Inc.  See COPYING for
   3 ** distribution information.
   4 */
   5
   6 #include        "courier_auth_config.h"
   7 #include        "auth.h"
   8 #include        "pkglibdir.h"
   9 #include        "pkgincludedir.h"
  10 #include        "authdaemonrc.h"
  11 #include        "authldaprc.h"
  12 #include        "authmysqlrc.h"
  13 #include        "authpgsqlrc.h"
  14 #include        "sbindir.h"
  15 #include        "mailusergroup.h"
  16 #include        "packageversion.h"
  17
  18 #include        <stdio.h>
  19 #include        <stdlib.h>
  20 #include        <string.h>
  21 #include        <pwd.h>
  22 #include        <grp.h>
  23
  24
  25 static int getmuid()
  26 {
  27         struct passwd *pw=getpwnam(MAILUSER);
  28
  29         if (pw == NULL)
  30         {
  31                 perror("Cannot obtain information for user " MAILUSER);
  32                 exit(1);
  33         }
  34
  35         return (pw->pw_uid);
  36 }
  37
  38 static int getmgid()
  39 {
  40         struct group *gr=getgrnam(MAILGROUP);
  41
  42         if (gr == NULL)
  43         {
  44                 perror("Cannot obtain information for groupid " MAILGROUP);
  45                 exit(1);
  46         }
  47
  48         return (gr->gr_gid);
  49 }
  50
  51 static unsigned getver(const char **a)
  52 {
  53         unsigned n=0;
  54         static const char dig[]="0123456789";
  55         static const char *p;
  56
  57         while (**a)
  58         {
  59                 if (**a == '.')
  60                 {
  61                         ++*a;
  62                         break;
  63                 }
  64
  65                 if ((p=strchr(dig, **a)) != NULL)
  66                         n=n*10 + p-dig;
  67
  68                 ++*a;
  69         }
  70         return n;
  71 }
  72
  73 static int versioncmp(const char *a, const char *b)
  74 {
  75         while (*a && *b)
  76         {
  77                 unsigned va=getver(&a);
  78                 unsigned vb=getver(&b);
  79
  80                 if (va < vb)
  81                         return -1;
  82                 if (va > vb)
  83                         return 1;
  84         }
  85         return 0;
  86 }
  87
  88 int main(int argc, char **argv)
  89 {
  90         int n;
  91
  92         for (n=1; n<argc; n++)
  93         {
  94                 if (strcmp(argv[n], "--version") == 0)
  95                 {
  96                         printf("%s\n", PKGVERSION);
  97                 }
  98
  99                 if (strncmp(argv[n], "--version=", 10) == 0)
 100                 {
 101                         printf("%s\n",
 102                                versioncmp(argv[n]+10, PKGVERSION) <= 0
 103                                ? "yes":"no");
 104                 }
 105
 106                 if (strcmp(argv[n], "--ldflags") == 0)
 107                 {
 108                         printf("-L%s\n",
 109                                PKGLIBDIR);
 110                 }
 111                 if (strcmp(argv[n], "--cppflags") == 0)
 112                 {
 113 #if HAVE_NOSTDHEADERDIR
 114                         printf("-I%s\n", PKGINCLUDEDIR);
 115 #endif
 116                         ;
 117                 }
 118                 if (strcmp(argv[n], "--configfiles") == 0)
 119                 {
 120                         printf("userdb=%s\n"
 121                                "authdaemonrc=%s\n"
 122                                "authldaprc=%s\n"
 123                                "authmysqlrc=%s\n"
 124                                "authpgsqlrc=%s\n"
 125                                "mailuser=%s\n"
 126                                "mailgroup=%s\n"
 127                                "mailuid=%d\n"
 128                                "mailgid=%d\n"
 129                                "sbindir=%s\n",
 130                                USERDB,
 131                                AUTHDAEMONRC,
 132                                AUTHLDAPRC,
 133                                AUTHMYSQLRC,
 134                                AUTHPGSQLRC,
 135                                MAILUSER,
 136                                MAILGROUP,
 137                                getmuid(),
 138                                getmgid(),
 139                                SBINDIR);
 140                 }
 141         }
 142         return (0);
 143 }