usr.sbin/pkg_install/add/futil.c

   1 /*
   2  * FreeBSD install - a package for the installation and maintainance
   3  * of non-core utilities.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * Jordan K. Hubbard
  15  * 18 July 1993
  16  *
  17  * Miscellaneous file access utilities.
  18  *
  19  */
  20
  21 #include <sys/cdefs.h>
  22 __FBSDID("$FreeBSD$");
  23
  24 #include <err.h>
  25 #include "lib.h"
  26 #include "add.h"
  27
  28 /*
  29  * Assuming dir is a desired directory name, make it and all intervening
  30  * directories necessary.
  31  */
  32
  33 int
  34 make_hierarchy(char *dir)
  35 {
  36     char *cp1, *cp2;
  37
  38     if (dir[0] == '/')
  39         cp1 = cp2 = dir + 1;
  40     else
  41         cp1 = cp2 = dir;
  42     while (cp2) {
  43         if ((cp2 = strchr(cp1, '/')) !=NULL )
  44             *cp2 = '\0';
  45         if (fexists(dir)) {
  46             if (!isdir(dir)) {
  47                 if (cp2)
  48                     *cp2 = '/';
  49                 return FAIL;
  50             }
  51         }
  52         else {
  53             if (vsystem("/bin/mkdir %s", dir)) {
  54                 if (cp2)
  55                     *cp2 = '/';
  56                 return FAIL;
  57             }
  58             apply_perms(NULL, dir);
  59         }
  60         /* Put it back */
  61         if (cp2) {
  62             *cp2 = '/';
  63             cp1 = cp2 + 1;
  64         }
  65     }
  66     return SUCCESS;
  67 }
  68
  69 /* Using permission defaults, apply them as necessary */
  70 void
  71 apply_perms(const char *dir, const char *arg)
  72 {
  73     const char *cd_to;
  74
  75     if (!dir || *arg == '/')    /* absolute path? */
  76         cd_to = "/";
  77     else
  78         cd_to = dir;
  79
  80     if (Mode)
  81         if (vsystem("cd %s && /bin/chmod -R %s %s", cd_to, Mode, arg))
  82             warnx("couldn't change modes of '%s' to '%s'", arg, Mode);
  83     if (Owner && Group) {
  84         if (vsystem("cd %s && /usr/sbin/chown -R %s:%s %s", cd_to, Owner, Group, arg))
  85             warnx("couldn't change owner/group of '%s' to '%s:%s'",
  86                    arg, Owner, Group);
  87         return;
  88     }
  89     if (Owner) {
  90         if (vsystem("cd %s && /usr/sbin/chown -R %s %s", cd_to, Owner, arg))
  91             warnx("couldn't change owner of '%s' to '%s'", arg, Owner);
  92         return;
  93     } else if (Group)
  94         if (vsystem("cd %s && /usr/bin/chgrp -R %s %s", cd_to, Group, arg))
  95             warnx("couldn't change group of '%s' to '%s'", arg, Group);
  96 }
  97