usr.sbin/pkg_install/delete/main.c

   1 /*
   2  *
   3  * FreeBSD install - a package for the installation and maintainance
   4  * of non-core utilities.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  *
  15  * Jordan K. Hubbard
  16  * 18 July 1993
  17  *
  18  * This is the delete module.
  19  *
  20  * $FreeBSD: src/usr.sbin/pkg_install/delete/main.c,v 1.26 2004/06/29 18:54:47 eik Exp $
  21  * $DragonFly: src/usr.sbin/pkg_install/delete/main.c,v 1.5 2004/12/18 23:48:04 swildner Exp $
  22  */
  23
  24 #include <sys/types.h>
  25 #include <sys/stat.h>
  26 #include <err.h>
  27 #include "lib.h"
  28 #include "delete.h"
  29
  30 static char Options[] = "adDfGhinp:rvxX";
  31
  32 char    *Prefix         = NULL;
  33 Boolean CleanDirs       = FALSE;
  34 Boolean Interactive     = FALSE;
  35 Boolean NoDeInstall     = FALSE;
  36 Boolean Recursive       = FALSE;
  37 match_t MatchType       = MATCH_GLOB;
  38
  39 static void usage(void);
  40
  41 int
  42 main(int argc, char **argv)
  43 {
  44     int ch, error;
  45     char **pkgs, **start;
  46     char *pkgs_split;
  47     const char *tmp;
  48     struct stat stat_s;
  49
  50     pkgs = start = argv;
  51     while ((ch = getopt(argc, argv, Options)) != -1)
  52         switch(ch) {
  53         case 'v':
  54             Verbose = TRUE;
  55             break;
  56
  57         case 'f':
  58             Force = TRUE;
  59             break;
  60
  61         case 'p':
  62             Prefix = optarg;
  63             break;
  64
  65         case 'D':
  66             NoDeInstall = TRUE;
  67             break;
  68
  69         case 'd':
  70             CleanDirs = TRUE;
  71             break;
  72
  73         case 'n':
  74             Fake = TRUE;
  75             Verbose = TRUE;
  76             break;
  77
  78         case 'a':
  79             MatchType = MATCH_ALL;
  80             break;
  81
  82         case 'G':
  83             MatchType = MATCH_EXACT;
  84             break;
  85
  86         case 'x':
  87             MatchType = MATCH_REGEX;
  88             break;
  89
  90         case 'X':
  91             MatchType = MATCH_EREGEX;
  92             break;
  93
  94         case 'i':
  95             Interactive = TRUE;
  96             break;
  97
  98         case 'r':
  99             Recursive = TRUE;
 100             break;
 101
 102         case 'h':
 103         case '?':
 104         default:
 105             usage();
 106             break;
 107         }
 108
 109     argc -= optind;
 110     argv += optind;
 111
 112     /* Get all the remaining package names, if any */
 113     while (*argv) {
 114         /* Don't try to apply heuristics if arguments are regexs */
 115         if (MatchType != MATCH_REGEX)
 116             while ((pkgs_split = strrchr(*argv, (int)'/')) != NULL) {
 117                 *pkgs_split++ = '\0';
 118                 /*
 119                  * If character after the '/' is alphanumeric, then we've found the
 120                  * package name.  Otherwise we've come across a trailing '/' and
 121                  * need to continue our quest.
 122                  */
 123                 if (isalpha(*pkgs_split) || ((MatchType == MATCH_GLOB) && \
 124                     strpbrk(pkgs_split, "*?[]") != NULL)) {
 125                     *argv = pkgs_split;
 126                     break;
 127                 }
 128             }
 129         *pkgs++ = *argv++;
 130     }
 131
 132     /* If no packages, yelp */
 133     if (pkgs == start && MatchType != MATCH_ALL)
 134         warnx("missing package name(s)"), usage();
 135     *pkgs = NULL;
 136     tmp = LOG_DIR;
 137     stat(tmp, &stat_s);
 138     if (!Fake && getuid() && geteuid() != stat_s.st_uid) {
 139         if (!Force)
 140             errx(1, "you do not own %s, use -f to force", tmp);
 141         else
 142             warnx("you do not own %s (proceeding anyways)", tmp);
 143     }
 144     if ((error = pkg_perform(start)) != 0) {
 145         if (Verbose)
 146             warnx("%d package deletion(s) failed", error);
 147         return error;
 148     }
 149     else
 150         return 0;
 151 }
 152
 153 static void
 154 usage()
 155 {
 156     fprintf(stderr, "%s\n%s\n",
 157         "usage: pkg_delete [-dDfGinrvxX] [-p prefix] pkg-name ...",
 158         "       pkg_delete -a [flags]");
 159     exit(1);
 160 }