bfb9e5680c
symlinks to directories. This gives the user more rope, but lets those who know what they're doing to do what they want.
369 lines
9.0 KiB
C
369 lines
9.0 KiB
C
/* $NetBSD: perform.c,v 1.48 2003/09/08 22:11:14 jlam Exp $ */
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#include <sys/cdefs.h>
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#ifndef lint
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#if 0
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static const char *rcsid = "from FreeBSD Id: perform.c,v 1.23 1997/10/13 15:03:53 jkh Exp";
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#else
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__RCSID("$NetBSD: perform.c,v 1.48 2003/09/08 22:11:14 jlam Exp $");
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#endif
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#endif
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/*
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* FreeBSD install - a package for the installation and maintainance
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* of non-core utilities.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* Jordan K. Hubbard
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* 23 Aug 1993
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*
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* This is the main body of the info module.
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*
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*/
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#include "lib.h"
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#include "info.h"
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <err.h>
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#include <signal.h>
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#include <dirent.h>
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#include <ctype.h>
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static char *Home;
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static int
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pkg_do(char *pkg)
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{
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Boolean installed = FALSE, isTMP = FALSE;
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char log_dir[FILENAME_MAX];
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char fname[FILENAME_MAX];
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struct stat sb;
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char *cp = NULL;
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int code = 0;
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if (IS_URL(pkg)) {
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if ((cp = fileGetURL(pkg)) != NULL) {
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strlcpy(fname, cp, sizeof(fname));
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isTMP = TRUE;
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}
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} else if (fexists(pkg) && isfile(pkg)) {
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int len;
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if (*pkg != '/') {
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if (!getcwd(fname, FILENAME_MAX)) {
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cleanup(0);
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err(EXIT_FAILURE, "fatal error during execution: getcwd");
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}
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len = strlen(fname);
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(void) snprintf(&fname[len], sizeof(fname) - len, "/%s", pkg);
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} else {
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strlcpy(fname, pkg, sizeof(fname));
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}
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cp = fname;
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} else {
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if ((cp = fileFindByPath(pkg)) != NULL) {
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strncpy(fname, cp, FILENAME_MAX);
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}
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}
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if (cp) {
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if (IS_URL(pkg)) {
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/* file is already unpacked by fileGetURL() */
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strcpy(PlayPen, cp);
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} else {
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if (IS_URL(cp)) {
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/* only a package name was given, and it was expanded to a
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* full URL by fileFindByPath. Now extract...
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*/
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char *cp2;
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if ((cp2 = fileGetURL(cp)) != NULL) {
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strlcpy(fname, cp2, sizeof(fname));
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isTMP = TRUE;
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}
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strcpy(PlayPen, cp2);
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} else {
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/*
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* Apply a crude heuristic to see how much space the package will
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* take up once it's unpacked. I've noticed that most packages
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* compress an average of 75%, but we're only unpacking the + files so
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* be very optimistic.
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*/
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if (stat(fname, &sb) == FAIL) {
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warnx("can't stat package file '%s'", fname);
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code = 1;
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goto bail;
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}
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Home = make_playpen(PlayPen, PlayPenSize, sb.st_size / 2);
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if (unpack(fname, "+*")) {
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warnx("error during unpacking, no info for '%s' available", pkg);
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code = 1;
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goto bail;
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}
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}
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}
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} else {
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/*
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* It's not an uninstalled package, try and find it among the
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* installed
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*/
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(void) snprintf(log_dir, sizeof(log_dir), "%s/%s",
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_pkgdb_getPKGDB_DIR(), pkg);
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if (!fexists(log_dir) || !(isdir(log_dir) || islinktodir(log_dir))) {
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{
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/* Check if the given package name matches
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* something with 'pkg-[0-9]*' */
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char try[FILENAME_MAX];
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snprintf(try, FILENAME_MAX, "%s-[0-9]*", pkg);
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if (findmatchingname(_pkgdb_getPKGDB_DIR(), try,
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add_to_list_fn, &pkgs) > 0) {
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return 0; /* we've just appended some names to the pkgs list,
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* they will be processed after this package. */
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}
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}
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/* No match */
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warnx("can't find package `%s' installed or in a file!", pkg);
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return 1;
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}
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if (chdir(log_dir) == FAIL) {
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warnx("can't change directory to '%s'!", log_dir);
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return 1;
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}
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installed = TRUE;
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}
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/*
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* Index is special info type that has to override all others to make
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* any sense.
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*/
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if (Flags & SHOW_INDEX) {
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char tmp[FILENAME_MAX];
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(void) snprintf(tmp, sizeof(tmp), "%-19s ", pkg);
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show_index(tmp, COMMENT_FNAME);
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} else {
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FILE *fp;
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package_t plist;
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/* Read the contents list */
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plist.head = plist.tail = NULL;
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fp = fopen(CONTENTS_FNAME, "r");
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if (!fp) {
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warnx("unable to open %s file", CONTENTS_FNAME);
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code = 1;
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goto bail;
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}
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/* If we have a prefix, add it now */
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read_plist(&plist, fp);
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fclose(fp);
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/* Start showing the package contents */
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if (!Quiet) {
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printf("%sInformation for %s:\n\n", InfoPrefix, pkg);
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if (fexists(PRESERVE_FNAME)) {
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printf("*** PACKAGE MAY NOT BE DELETED ***\n");
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}
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}
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if (Flags & SHOW_COMMENT) {
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show_file("Comment:\n", COMMENT_FNAME);
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}
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if (Flags & SHOW_DEPENDS) {
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show_depends("Requires:\n", &plist);
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}
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if (Flags & SHOW_BLD_DEPENDS) {
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show_bld_depends("Built using:\n", &plist);
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}
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if ((Flags & SHOW_REQBY) && !isemptyfile(REQUIRED_BY_FNAME)) {
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show_file("Required by:\n", REQUIRED_BY_FNAME);
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}
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if (Flags & SHOW_DESC) {
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show_file("Description:\n", DESC_FNAME);
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}
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if ((Flags & SHOW_DISPLAY) && fexists(DISPLAY_FNAME)) {
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show_file("Install notice:\n", DISPLAY_FNAME);
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}
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if (Flags & SHOW_PLIST) {
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show_plist("Packing list:\n", &plist, PLIST_SHOW_ALL);
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}
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if ((Flags & SHOW_INSTALL) && fexists(INSTALL_FNAME)) {
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show_file("Install script:\n", INSTALL_FNAME);
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}
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if ((Flags & SHOW_DEINSTALL) && fexists(DEINSTALL_FNAME)) {
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show_file("De-Install script:\n", DEINSTALL_FNAME);
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}
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if ((Flags & SHOW_REQUIRE) && fexists(REQUIRE_FNAME)) {
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show_file("Require script:\n", REQUIRE_FNAME);
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}
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if ((Flags & SHOW_MTREE) && fexists(MTREE_FNAME)) {
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show_file("mtree file:\n", MTREE_FNAME);
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}
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if (Flags & SHOW_PREFIX) {
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show_plist("Prefix(s):\n", &plist, PLIST_CWD);
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}
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if (Flags & SHOW_FILES) {
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show_files("Files:\n", &plist);
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}
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if ((Flags & SHOW_BUILD_VERSION) && fexists(BUILD_VERSION_FNAME)) {
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show_file("Build version:\n", BUILD_VERSION_FNAME);
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}
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if ((Flags & SHOW_BUILD_INFO) && fexists(BUILD_INFO_FNAME)) {
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show_file("Build information:\n", BUILD_INFO_FNAME);
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}
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if ((Flags & SHOW_PKG_SIZE) && fexists(SIZE_PKG_FNAME)) {
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show_file("Size of this package in bytes: ", SIZE_PKG_FNAME);
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}
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if ((Flags & SHOW_ALL_SIZE) && fexists(SIZE_ALL_FNAME)) {
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show_file("Size in bytes including required pkgs: ", SIZE_ALL_FNAME);
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}
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if (!Quiet) {
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if (fexists(PRESERVE_FNAME)) {
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printf("*** PACKAGE MAY NOT BE DELETED ***\n\n");
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}
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puts(InfoPrefix);
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}
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free_plist(&plist);
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}
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bail:
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leave_playpen(Home);
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if (isTMP)
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unlink(fname);
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return code;
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}
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/*
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* Function to be called for pkgs found
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*/
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static int
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foundpkg(const char *found, void *vp)
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{
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char *data = vp;
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char buf[FILENAME_MAX+1];
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/* we only want to display this if it really is a directory */
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snprintf(buf, sizeof(buf), "%s/%s", data, found);
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if (!(isdir(buf) || islinktodir(buf))) {
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/* return value seems to be ignored for now */
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return -1;
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}
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if (!Quiet) {
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printf("%s\n", found);
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}
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return 0;
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}
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/*
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* Check if a package "pkgspec" (which can be a pattern) is installed.
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* dbdir contains the return value of _pkgdb_getPKGDB_DIR(), for reading only.
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* Return 0 if found, 1 otherwise (indicating an error).
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*/
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static int
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CheckForPkg(char *pkgspec, char *dbdir)
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{
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char buf[FILENAME_MAX];
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int error;
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if (strpbrk(pkgspec, "<>[]?*{")) {
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/* expensive (pattern) match */
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error = findmatchingname(dbdir, pkgspec, foundpkg, dbdir);
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if (error == -1)
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return 1;
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else
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return !error;
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}
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/* simple match */
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(void) snprintf(buf, sizeof(buf), "%s/%s", dbdir, pkgspec);
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error = !(isdir(buf) || islinktodir(buf));
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if (!error && !Quiet) {
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printf("%s\n", pkgspec);
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}
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if (error) {
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/* found nothing - try 'pkg-[0-9]*' */
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char try[FILENAME_MAX];
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snprintf(try, FILENAME_MAX, "%s-[0-9]*", pkgspec);
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if (findmatchingname(dbdir, try, foundpkg, dbdir) > 0) {
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error = 0;
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}
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}
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return error;
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}
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void
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cleanup(int sig)
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{
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leave_playpen(Home);
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exit(1);
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}
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int
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pkg_perform(lpkg_head_t *pkghead)
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{
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struct dirent *dp;
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char *dbdir;
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DIR *dirp;
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int err_cnt = 0;
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signal(SIGINT, cleanup);
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dbdir = _pkgdb_getPKGDB_DIR();
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/* Overriding action? */
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if (CheckPkg) {
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err_cnt += CheckForPkg(CheckPkg, dbdir);
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} else if (AllInstalled) {
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if (!isdir(dbdir))
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return 1;
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if (File2Pkg) {
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/* Show all files with the package they belong to */
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pkgdb_dump();
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} else {
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/* Show all packges with description */
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if ((dirp = opendir(dbdir)) != (DIR *) NULL) {
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while ((dp = readdir(dirp)) != (struct dirent *) NULL) {
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char tmp2[FILENAME_MAX];
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if (strcmp(dp->d_name, ".") == 0 ||
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strcmp(dp->d_name, "..") == 0)
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continue;
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(void) snprintf(tmp2, sizeof(tmp2), "%s/%s",
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dbdir, dp->d_name);
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if (isfile(tmp2))
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continue;
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err_cnt += pkg_do(dp->d_name);
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}
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(void) closedir(dirp);
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}
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}
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} else {
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/* Show info on individual pkg(s) */
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lpkg_t *lpp;
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while ((lpp = TAILQ_FIRST(pkghead))) {
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TAILQ_REMOVE(pkghead, lpp, lp_link);
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err_cnt += pkg_do(lpp->lp_name);
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free_lpkg(lpp);
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}
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}
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ftp_stop();
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return err_cnt;
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}
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