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HardenedBSD Package Manager
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HardenedBSD-pkg src install.c
/*-
 * Copyright (c) 2011-2016 Baptiste Daroussin <bapt@FreeBSD.org>
 * Copyright (c) 2011-2012 Julien Laffaye <jlaffaye@FreeBSD.org>
 * Copyright (c) 2011-2012 Marin Atanasov Nikolov <dnaeon@gmail.com>
 * Copyright (c) 2013-2014 Matthew Seaman <matthew@FreeBSD.org>
 * Copyright (c) 2012-2013 Bryan Drewery <bdrewery@FreeBSD.org>
 * Copyright (c) 2016 Vsevolod Stakhov <vsevolod@FreeBSD.org>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer
 *    in this position and unchanged.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <sys/types.h>

#include <err.h>
#include <getopt.h>
#include <libgen.h>
#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>

#include <pkg.h>

#include "pkgcli.h"

void
usage_install(void)
{
	fprintf(stderr,
	    "Usage: pkg install [-ACfFgiIlMnqRUxy] [--autoremove] [-r reponame] <pkg-name> ...\n\n");
	fprintf(stderr, "For more information see 'pkg help install'.\n");
}

int
exec_install(int argc, char **argv)
{
	struct pkgdb	*db = NULL;
	struct pkg_jobs	*jobs = NULL;
	int		 retcode;
	int		 status;
	int		 updcode = EPKG_OK;
	int		 ch;
	int		 mode, repo_type;
	int		 done = 0;
	int		 lock_type = PKGDB_LOCK_ADVISORY;
	int		 nbactions = 0;
	int		 scriptnoexec = 0;
	int		 autoremove = 0;
	bool		 rc = true;
	bool		 local_only = false;
	bool		 autoremove_flag = false;
	match_t		 match = MATCH_EXACT;
	pkg_flags	 f = PKG_FLAG_NONE | PKG_FLAG_PKG_VERSION_TEST;
	c_charv_t	reponames = vec_init();

	struct option longopts[] = {
		{ "automatic",		no_argument,		NULL,	'A' },
		{ "autoremove",		no_argument,		&autoremove,	1 },
		{ "case-sensitive",	no_argument,		NULL,	'C' },
		{ "force",		no_argument,		NULL,	'f' },
		{ "fetch-only",		no_argument,		NULL,	'F' },
		{ "glob",		no_argument,		NULL,	'g' },
		{ "case-insensitive",	no_argument,		NULL,	'i' },
		{ "no-scripts",		no_argument,		NULL,	'I' },
		{ "script-no-exec",	no_argument,		&scriptnoexec,	1 },
		{ "local-only",		no_argument,		NULL,	'l' },
		{ "ignore-missing",	no_argument,		NULL,	'M' },
		{ "dry-run",		no_argument,		NULL,	'n' },
		{ "quiet",		no_argument,		NULL,	'q' },
		{ "repository",		required_argument,	NULL,	'r' },
		{ "recursive",		no_argument,		NULL,   'R' },
		{ "no-repo-update",	no_argument,		NULL,	'U' },
		{ "regex",		no_argument,		NULL,	'x' },
		{ "register-only",	no_argument,		NULL,	'X' },
		{ "yes",		no_argument,		NULL,	'y' },
		{ NULL,			0,			NULL,	0   },
	};

	if (STREQ(argv[0], "add")) {
		auto_update = false;
		local_only = true;
		yes = true;
		quiet = true;
	}

	while ((ch = getopt_long(argc, argv, "+ACfFgiIlMnqr:RUxy", longopts, NULL)) != -1) {
		switch (ch) {
		case 'A':
			f |= PKG_FLAG_AUTOMATIC;
			break;
		case 'C':
			pkgdb_set_case_sensitivity(true);
			break;
		case 'f':
			f |= PKG_FLAG_FORCE;
			break;
		case 'F':
			f |= PKG_FLAG_SKIP_INSTALL;
			lock_type = PKGDB_LOCK_READONLY;
			break;
		case 'g':
			match = MATCH_GLOB;
			break;
		case 'i':
			pkgdb_set_case_sensitivity(false);
			break;
		case 'I':
			f |= PKG_FLAG_NOSCRIPT;
			break;
		case 'l':
			local_only = true;
			auto_update = false;
			break;
		case 'M':
			f |= PKG_FLAG_FORCE_MISSING;
			break;
		case 'n':
			f |= PKG_FLAG_DRY_RUN;
			lock_type = PKGDB_LOCK_READONLY;
			dry_run = true;
			break;
		case 'q':
			quiet = true;
			break;
		case 'r':
			vec_push(&reponames, optarg);
			break;
		case 'R':
			f |= PKG_FLAG_RECURSIVE;
			break;
		case 'U':
			auto_update = false;
			break;
		case 'x':
			match = MATCH_REGEX;
			break;
		case 'X':
			f |= PKG_FLAG_REGISTER_ONLY | PKG_FLAG_NOSCRIPT;
			break;
		case 'y':
			yes = true;
			break;
		case 0:
			if (scriptnoexec == 1)
				f |= PKG_FLAG_NOEXEC;
			if (autoremove)
				autoremove_flag = true;
			break;
		default:
			usage_install();
			return (EXIT_FAILURE);
		}
	}
	argc -= optind;
	argv += optind;

	if (argc < 1) {
		usage_install();
		return (EXIT_FAILURE);
	}

	if (dry_run && !auto_update)
		mode = PKGDB_MODE_READ;
	else
		mode =	PKGDB_MODE_READ  |
				PKGDB_MODE_WRITE |
				PKGDB_MODE_CREATE;
	if (local_only)
		repo_type = PKGDB_DB_LOCAL;
	else
		repo_type = PKGDB_DB_LOCAL|PKGDB_DB_REPO;

	/* It is safe to use both `reponame` and `NULL` here */
	retcode = pkgdb_access2(mode, repo_type, &reponames);

	if (retcode == EPKG_ENOACCESS && dry_run) {
		auto_update = false;
		retcode = pkgdb_access2(PKGDB_MODE_READ,
				       repo_type, &reponames);
	}

	if (retcode == EPKG_ENOACCESS) {
		warnx("Insufficient privileges to install packages");
		return (EXIT_FAILURE);
	} else if (retcode != EPKG_OK)
		return (EXIT_FAILURE);

	/* first update the remote repositories if needed */
	if (auto_update && pkg_repos_total_count() > 0 &&
	    (updcode = pkgcli_update(false, false, &reponames)) != EPKG_OK)
		return (updcode);

	if (pkgdb_open_all2(&db,
	    local_only ? PKGDB_DEFAULT : PKGDB_MAYBE_REMOTE,
	    &reponames) != EPKG_OK)
		return (EXIT_FAILURE);

	if (!pkgdb_lock_or_fail(db, lock_type))
		return (EXIT_FAILURE);

	status = EXIT_FAILURE;
	if (pkg_jobs_new(&jobs, PKG_JOBS_INSTALL, db) != EPKG_OK)
		goto cleanup;

	if (!local_only && reponames.len > 0 &&
			pkg_jobs_set_repositories(jobs, &reponames) != EPKG_OK)
		goto cleanup;

	pkg_jobs_set_flags(jobs, f);

	if (pkg_jobs_add(jobs, match, argv, argc) == EPKG_FATAL)
		goto cleanup;

	if (pkg_jobs_solve(jobs) != EPKG_OK)
		goto cleanup;

	status = EXIT_SUCCESS;
	while ((nbactions = pkg_jobs_count(jobs)) > 0) {
		rc = yes;
		/* print a summary before applying the jobs */
		if (!quiet || dry_run) {
			print_jobs_summary(jobs,
			    "The following %d package(s) will be affected (of %d checked):\n\n",
			    nbactions, pkg_jobs_total(jobs));
		}
		if (dry_run)
			break;

		if (!quiet) {
			rc = query_yesno(false,
			    "\nProceed with this action? ");
		}

		if (rc) {
			retcode = pkg_jobs_apply(jobs);
			done = 1;
			if (retcode == EPKG_CONFLICT) {
				printf("Conflicts with the existing packages "
				    "have been found.\nOne more solver "
				    "iteration is needed to resolve them.\n");
				continue;
			}
			else if (retcode != EPKG_OK) {
				status = retcode;
				goto cleanup;
			}
		}

		if (messages != NULL && !quiet) {
			fflush(messages->fp);
			printf("%s", messages->buf);
		}
		break;
	}

	if (done == 0 && rc) {
		bool want_automatic = (f & PKG_FLAG_AUTOMATIC) != 0;
		bool suggested = false;

		for (int i = 0; i < argc; i++) {
			struct pkgdb_it *lit;
			struct pkg *lpkg = NULL;
			bool automatic;

			lit = pkgdb_query(db, argv[i], match);
			if (lit == NULL)
				continue;
			if (pkgdb_it_next(lit, &lpkg, PKG_LOAD_BASIC) != EPKG_OK) {
				pkgdb_it_free(lit);
				continue;
			}
			pkgdb_it_free(lit);
			pkg_get(lpkg, PKG_ATTR_AUTOMATIC, &automatic);
			if (!want_automatic && automatic) {
				if (query_yesno(false,
				    "%n-%v is already installed as automatic. "
				    "Mark as non-automatic? ",
				    lpkg, lpkg))
					pkgdb_set(db, lpkg,
					    PKG_SET_AUTOMATIC, (int)false);
				suggested = true;
			} else if (want_automatic && !automatic) {
				if (query_yesno(false,
				    "%n-%v is already installed. "
				    "Mark as automatically installed? ",
				    lpkg, lpkg))
					pkgdb_set(db, lpkg,
					    PKG_SET_AUTOMATIC, (int)true);
				suggested = true;
			}
			pkg_free(lpkg);
		}
		if (!suggested && !quiet)
			printf("The most recent versions of packages are already installed\n");
	}

	if (!rc)
		status = EXIT_FAILURE;

	if (done && status == EXIT_SUCCESS)
		pkgcli_autoremove(db, autoremove_flag);

cleanup:
	pkgdb_release_lock(db, lock_type);
	pkg_jobs_free(jobs);
	pkgdb_close(db);

	if (!dry_run)
		pkg_cache_full_clean();

	if (!rc && newpkgversion)
		newpkgversion = false;

	return (status);
}