usr/src/cmd/svr4pkg/installf/removef.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 /*
  23  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
  28 /* All Rights Reserved */
  29
  30 #include <stdio.h>
  31 #include <errno.h>
  32 #include <string.h>
  33 #include <limits.h>
  34 #include <stdlib.h>
  35 #include <unistd.h>
  36 #include <sys/types.h>
  37 #include <locale.h>
  38 #include <libintl.h>
  39 #include <pkglib.h>
  40 #include <install.h>
  41 #include <libinst.h>
  42 #include <libadm.h>
  43 #include "installf.h"
  44
  45 void
  46 removef(int argc, char *argv[])
  47 {
  48         struct cfextra *new;
  49         char    buf[PATH_MAX];
  50         char    *path;
  51         int     flag;
  52         int     len;
  53         int     max_eptnum;
  54
  55         flag = strcmp(argv[0], "-") == 0;
  56
  57         eptnum = 0;
  58         max_eptnum = 64;        /* starting size of array */
  59         extlist = malloc(max_eptnum * sizeof (struct cfextra *));
  60
  61         for (;;) {
  62                 if (flag) {
  63                         if (fgets(buf, PATH_MAX, stdin) == NULL)
  64                                 break;
  65
  66                         /* strip trailing new line */
  67                         len = strlen(buf);
  68                         if (buf[len - 1] == '\n')
  69                                 buf[len - 1] = '\0';
  70
  71                         path = buf;
  72                 } else {
  73                         if (argc-- <= 0)
  74                                 break;
  75                         path = argv[argc];
  76                 }
  77
  78                 /*
  79                  * This strips the install root from the path using
  80                  * a questionable algorithm. This should go away as
  81                  * we define more precisely the command line syntax
  82                  * with our '-R' option. - JST
  83                  */
  84                 path = orig_path_ptr(path);
  85
  86                 if (path == NULL) {
  87                         logerr(gettext("ERROR: no pathname was provided"));
  88                         warnflag++;
  89                         continue;
  90                 }
  91
  92                 if (*path != '/') {
  93                         logerr(gettext(
  94                             "WARNING: relative pathname <%s> ignored"), path);
  95                         warnflag++;
  96                         continue;
  97                 }
  98
  99                 new = calloc(1, sizeof (struct cfextra));
 100                 if (new == NULL) {
 101                         progerr(strerror(errno));
 102                         quit(99);
 103                 }
 104                 new->cf_ent.ftype = '-';
 105
 106                 (void) eval_path(&(new->server_path), &(new->client_path),
 107                     &(new->map_path), path);
 108
 109                 new->cf_ent.path = new->client_path;
 110
 111                 extlist[eptnum++] = new;
 112                 if (eptnum >= max_eptnum) {
 113                         /* array size grows exponentially */
 114                         max_eptnum <<= 1;
 115                         extlist = realloc(extlist,
 116                             max_eptnum * sizeof (struct cfextra *));
 117                         if (extlist == NULL) {
 118                                 progerr(strerror(errno));
 119                                 quit(99);
 120                         }
 121                 }
 122         }
 123         extlist[eptnum] = (struct cfextra *)NULL;
 124
 125         qsort((char *)extlist,
 126             (unsigned)eptnum, sizeof (struct cfextra *), cfentcmp);
 127 }