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 static const char rcsid[]="$Id: authinfo.c,v 1.11 2005/09/03 20:43:20 mrsam Exp $";
  25
  26 static int getmuid()
  27 {
  28         struct passwd *pw=getpwnam(MAILUSER);
  29
  30         if (pw == NULL)
  31         {
  32                 perror("Cannot obtain information for user " MAILUSER);
  33                 exit(1);
  34         }
  35
  36         return (pw->pw_uid);
  37 }
  38
  39 static int getmgid()
  40 {
  41         struct group *gr=getgrnam(MAILGROUP);
  42
  43         if (gr == NULL)
  44         {
  45                 perror("Cannot obtain information for groupid " MAILGROUP);
  46                 exit(1);
  47         }
  48
  49         return (gr->gr_gid);
  50 }
  51
  52 static unsigned getver(const char **a)
  53 {
  54         unsigned n=0;
  55         static const char dig[]="0123456789";
  56         static const char *p;
  57
  58         while (**a)
  59         {
  60                 if (**a == '.')
  61                 {
  62                         ++*a;
  63                         break;
  64                 }
  65
  66                 if ((p=strchr(dig, **a)) != NULL)
  67                         n=n*10 + p-dig;
  68
  69                 ++*a;
  70         }
  71         return n;
  72 }
  73
  74 static int versioncmp(const char *a, const char *b)
  75 {
  76         while (*a && *b)
  77         {
  78                 unsigned va=getver(&a);
  79                 unsigned vb=getver(&b);
  80
  81                 if (va < vb)
  82                         return -1;
  83                 if (va > vb)
  84                         return 1;
  85         }
  86         return 0;
  87 }
  88
  89 int main(int argc, char **argv)
  90 {
  91         int n;
  92
  93         for (n=1; n<argc; n++)
  94         {
  95                 if (strcmp(argv[n], "--version") == 0)
  96                 {
  97                         printf("%s\n", PKGVERSION);
  98                 }
  99
 100                 if (strncmp(argv[n], "--version=", 10) == 0)
 101                 {
 102                         printf("%s\n",
 103                                versioncmp(argv[n]+10, PKGVERSION) <= 0
 104                                ? "yes":"no");
 105                 }
 106
 107                 if (strcmp(argv[n], "--ldflags") == 0)
 108                 {
 109                         printf("-L%s\n",
 110                                PKGLIBDIR);
 111                 }
 112                 if (strcmp(argv[n], "--cppflags") == 0)
 113                 {
 114 #if HAVE_NOSTDHEADERDIR
 115                         printf("-I%s\n", PKGINCLUDEDIR);
 116 #endif
 117                         ;
 118                 }
 119                 if (strcmp(argv[n], "--configfiles") == 0)
 120                 {
 121                         printf("userdb=%s\n"
 122                                "authdaemonrc=%s\n"
 123                                "authldaprc=%s\n"
 124                                "authmysqlrc=%s\n"
 125                                "authpgsqlrc=%s\n"
 126                                "mailuser=%s\n"
 127                                "mailgroup=%s\n"
 128                                "mailuid=%d\n"
 129                                "mailgid=%d\n"
 130                                "sbindir=%s\n",
 131                                USERDB,
 132                                AUTHDAEMONRC,
 133                                AUTHLDAPRC,
 134                                AUTHMYSQLRC,
 135                                AUTHPGSQLRC,
 136                                MAILUSER,
 137                                MAILGROUP,
 138                                getmuid(),
 139                                getmgid(),
 140                                SBINDIR);
 141                 }
 142         }
 143         return (0);
 144 }