FreeBSD-5.3/usr.sbin/pkg_install/info/perform.c
/*
* FreeBSD install - a package for the installation and maintainance
* of non-core utilities.
*
* 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.
* 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.
*
* Jordan K. Hubbard
* 23 Aug 1993
*
* This is the main body of the info module.
*
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: src/usr.sbin/pkg_install/info/perform.c,v 1.53 2004/06/29 18:59:18 eik Exp $");
#include "lib.h"
#include "info.h"
#include <err.h>
#include <signal.h>
static int pkg_do(char *);
static int find_pkg(struct which_head *);
static int cmp_path(const char *, const char *, const char *);
static char *abspath(const char *);
static int find_pkgs_by_origin(const char *);
static int matched_packages(char **pkgs);
int
pkg_perform(char **pkgs)
{
char **matched;
int err_cnt = 0;
int i, errcode;
signal(SIGINT, cleanup);
/* Overriding action? */
if (Flags & SHOW_PKGNAME) {
return matched_packages(pkgs);
} else if (CheckPkg) {
return isinstalledpkg(CheckPkg) > 0 ? 0 : 1;
/* Not reached */
} else if (!TAILQ_EMPTY(whead)) {
return find_pkg(whead);
} else if (LookUpOrigin != NULL) {
return find_pkgs_by_origin(LookUpOrigin);
}
if (MatchType != MATCH_EXACT) {
matched = matchinstalled(MatchType, pkgs, &errcode);
if (errcode != 0)
return 1;
/* Not reached */
if (matched != NULL)
pkgs = matched;
else switch (MatchType) {
case MATCH_GLOB:
break;
case MATCH_ALL:
warnx("no packages installed");
return 0;
/* Not reached */
case MATCH_REGEX:
case MATCH_EREGEX:
warnx("no packages match pattern(s)");
return 1;
/* Not reached */
default:
break;
}
}
for (i = 0; pkgs[i]; i++)
err_cnt += pkg_do(pkgs[i]);
return err_cnt;
}
static char *Home;
static int
pkg_do(char *pkg)
{
Boolean installed = FALSE, isTMP = FALSE;
char log_dir[FILENAME_MAX];
char fname[FILENAME_MAX];
Package plist;
FILE *fp;
struct stat sb;
char *cp = NULL;
int code = 0;
if (isURL(pkg)) {
if ((cp = fileGetURL(NULL, pkg)) != NULL) {
strcpy(fname, cp);
isTMP = TRUE;
}
}
else if (fexists(pkg) && isfile(pkg)) {
int len;
if (*pkg != '/') {
if (!getcwd(fname, FILENAME_MAX))
upchuck("getcwd");
len = strlen(fname);
snprintf(&fname[len], FILENAME_MAX - len, "/%s", pkg);
}
else
strcpy(fname, pkg);
cp = fname;
}
else {
if ((cp = fileFindByPath(NULL, pkg)) != NULL)
strncpy(fname, cp, FILENAME_MAX);
}
if (cp) {
/*
* Apply a crude heuristic to see how much space the package will
* take up once it's unpacked. I've noticed that most packages
* compress an average of 75%, but we're only unpacking the + files so
* be very optimistic.
*/
if (stat(fname, &sb) == FAIL) {
warnx("can't stat package file '%s'", fname);
code = 1;
goto bail;
}
Home = make_playpen(PlayPen, sb.st_size / 2);
if (unpack(fname, "'+*'")) {
warnx("error during unpacking, no info for '%s' available", pkg);
code = 1;
goto bail;
}
}
/* It's not an uninstalled package, try and find it among the installed */
else {
int isinstalled = isinstalledpkg(pkg);
if (isinstalled < 0) {
warnx("the package info for package '%s' is corrupt", pkg);
return 1;
} else if (isinstalled == 0) {
warnx("can't find package '%s' installed or in a file!", pkg);
return 1;
}
sprintf(log_dir, "%s/%s", LOG_DIR, pkg);
if (chdir(log_dir) == FAIL) {
warnx("can't change directory to '%s'!", log_dir);
return 1;
}
installed = TRUE;
}
/* Suck in the contents list */
plist.head = plist.tail = NULL;
fp = fopen(CONTENTS_FNAME, "r");
if (!fp) {
warnx("unable to open %s file", CONTENTS_FNAME);
code = 1;
goto bail;
}
/* If we have a prefix, add it now */
read_plist(&plist, fp);
fclose(fp);
/*
* Index is special info type that has to override all others to make
* any sense.
*/
if (Flags & SHOW_INDEX) {
char tmp[FILENAME_MAX];
snprintf(tmp, FILENAME_MAX, "%-19s ", pkg);
show_index(tmp, COMMENT_FNAME);
}
else {
/* Start showing the package contents */
if (!Quiet)
printf("%sInformation for %s:\n\n", InfoPrefix, pkg);
else if (QUIET)
printf("%s%s:", InfoPrefix, pkg);
if (Flags & SHOW_COMMENT)
show_file("Comment:\n", COMMENT_FNAME);
if (Flags & SHOW_DEPEND)
show_plist("Depends on:\n", &plist, PLIST_PKGDEP, FALSE);
if ((Flags & SHOW_REQBY) && !isemptyfile(REQUIRED_BY_FNAME))
show_file("Required by:\n", REQUIRED_BY_FNAME);
if (Flags & SHOW_DESC)
show_file("Description:\n", DESC_FNAME);
if ((Flags & SHOW_DISPLAY) && fexists(DISPLAY_FNAME))
show_file("Install notice:\n", DISPLAY_FNAME);
if (Flags & SHOW_PLIST)
show_plist("Packing list:\n", &plist, (plist_t)0, TRUE);
if (Flags & SHOW_REQUIRE && fexists(REQUIRE_FNAME))
show_file("Requirements script:\n", REQUIRE_FNAME);
if ((Flags & SHOW_INSTALL) && fexists(INSTALL_FNAME))
show_file("Install script:\n", INSTALL_FNAME);
if ((Flags & SHOW_INSTALL) && fexists(POST_INSTALL_FNAME))
show_file("Post-Install script:\n", POST_INSTALL_FNAME);
if ((Flags & SHOW_DEINSTALL) && fexists(DEINSTALL_FNAME))
show_file("De-Install script:\n", DEINSTALL_FNAME);
if ((Flags & SHOW_DEINSTALL) && fexists(POST_DEINSTALL_FNAME))
show_file("Post-DeInstall script:\n", POST_DEINSTALL_FNAME);
if ((Flags & SHOW_MTREE) && fexists(MTREE_FNAME))
show_file("mtree file:\n", MTREE_FNAME);
if (Flags & SHOW_PREFIX)
show_plist("Prefix(s):\n", &plist, PLIST_CWD, FALSE);
if (Flags & SHOW_FILES)
show_files("Files:\n", &plist);
if ((Flags & SHOW_SIZE) && installed)
show_size("Package Size:\n", &plist);
if ((Flags & SHOW_CKSUM) && installed)
show_cksum("Mismatched Checksums:\n", &plist);
if (Flags & SHOW_ORIGIN)
show_origin("Origin:\n", &plist);
if (Flags & SHOW_FMTREV)
show_fmtrev("Packing list format revision:\n", &plist);
if (!Quiet)
puts(InfoPrefix);
}
free_plist(&plist);
bail:
leave_playpen();
if (isTMP)
unlink(fname);
return code;
}
void
cleanup(int sig)
{
static int in_cleanup = 0;
if (!in_cleanup) {
in_cleanup = 1;
leave_playpen();
}
if (sig)
exit(1);
}
/*
* Return an absolute path, additionally removing all .'s, ..'s, and extraneous
* /'s, as realpath() would, but without resolving symlinks, because that can
* potentially screw up our comparisons later.
*/
static char *
abspath(const char *pathname)
{
char *tmp, *tmp1, *resolved_path;
char *cwd = NULL;
int len;
if (pathname[0] != '/') {
cwd = getcwd(NULL, MAXPATHLEN);
asprintf(&resolved_path, "%s/%s/", cwd, pathname);
} else
asprintf(&resolved_path, "%s/", pathname);
if (resolved_path == NULL)
errx(2, NULL);
if (cwd != NULL)
free(cwd);
while ((tmp = strstr(resolved_path, "//")) != NULL)
strcpy(tmp, tmp + 1);
while ((tmp = strstr(resolved_path, "/./")) != NULL)
strcpy(tmp, tmp + 2);
while ((tmp = strstr(resolved_path, "/../")) != NULL) {
*tmp = '\0';
if ((tmp1 = strrchr(resolved_path, '/')) == NULL)
tmp1 = resolved_path;
strcpy(tmp1, tmp + 3);
}
len = strlen(resolved_path);
if (len > 1 && resolved_path[len - 1] == '/')
resolved_path[len - 1] = '\0';
return resolved_path;
}
/*
* Comparison to see if the path we're on matches the
* one we are looking for.
*/
static int
cmp_path(const char *target, const char *current, const char *cwd)
{
char *resolved, *temp;
int rval;
asprintf(&temp, "%s/%s", cwd, current);
if (temp == NULL)
errx(2, NULL);
/*
* Make sure there's no multiple /'s or other weird things in the PLIST,
* since some plists seem to have them and it could screw up our strncmp.
*/
resolved = abspath(temp);
if (strcmp(target, resolved) == 0)
rval = 1;
else
rval = 0;
free(temp);
free(resolved);
return rval;
}
/*
* Look through package dbs in LOG_DIR and find which
* packages installed the files in which_list.
*/
static int
find_pkg(struct which_head *which_list)
{
char **installed;
int errcode, i;
struct which_entry *wp;
TAILQ_FOREACH(wp, which_list, next) {
const char *msg = "file cannot be found";
char *tmp;
wp->skip = TRUE;
/* If it's not a file, we'll see if it's an executable. */
if (isfile(wp->file) == FALSE) {
if (strchr(wp->file, '/') == NULL) {
tmp = vpipe("/usr/bin/which %s", wp->file);
if (tmp != NULL) {
strlcpy(wp->file, tmp, PATH_MAX);
wp->skip = FALSE;
free(tmp);
} else
msg = "file is not in PATH";
}
} else {
tmp = abspath(wp->file);
if (isfile(tmp)) {
strlcpy(wp->file, tmp, PATH_MAX);
wp->skip = FALSE;
}
free(tmp);
}
if (wp->skip == TRUE)
warnx("%s: %s", wp->file, msg);
}
installed = matchinstalled(MATCH_ALL, NULL, &errcode);
if (installed == NULL)
return errcode;
for (i = 0; installed[i] != NULL; i++) {
FILE *fp;
Package pkg;
PackingList itr;
char *cwd = NULL;
char tmp[PATH_MAX];
snprintf(tmp, PATH_MAX, "%s/%s/%s", LOG_DIR, installed[i],
CONTENTS_FNAME);
fp = fopen(tmp, "r");
if (fp == NULL) {
warn("%s", tmp);
return 1;
}
pkg.head = pkg.tail = NULL;
read_plist(&pkg, fp);
fclose(fp);
for (itr = pkg.head; itr != pkg.tail; itr = itr->next) {
if (itr->type == PLIST_CWD) {
cwd = itr->name;
} else if (itr->type == PLIST_FILE) {
TAILQ_FOREACH(wp, which_list, next) {
if (wp->skip == TRUE)
continue;
if (!cmp_path(wp->file, itr->name, cwd))
continue;
if (wp->package[0] != '\0') {
warnx("both %s and %s claim to have installed %s\n",
wp->package, installed[i], wp->file);
} else {
strlcpy(wp->package, installed[i], PATH_MAX);
}
}
}
}
free_plist(&pkg);
}
TAILQ_FOREACH(wp, which_list, next) {
if (wp->package[0] != '\0') {
if (Quiet)
puts(wp->package);
else
printf("%s was installed by package %s\n", \
wp->file, wp->package);
}
}
while (!TAILQ_EMPTY(which_list)) {
wp = TAILQ_FIRST(which_list);
TAILQ_REMOVE(which_list, wp, next);
free(wp);
}
free(which_list);
return 0;
}
/*
* Look through package dbs in LOG_DIR and find which
* packages have the given origin. Don't use read_plist()
* because this increases time necessary for lookup by 40
* times, as we don't really have to parse all plist to
* get origin.
*/
static int
find_pkgs_by_origin(const char *origin)
{
char **matched;
int errcode, i;
if (!Quiet)
printf("The following installed package(s) has %s origin:\n", origin);
matched = matchbyorigin(origin, &errcode);
if (matched == NULL)
return errcode;
for (i = 0; matched[i] != NULL; i++)
puts(matched[i]);
return 0;
}
/*
* List only the matching package names.
* Mainly intended for scripts.
*/
static int
matched_packages(char **pkgs)
{
char **matched;
int i, errcode;
matched = matchinstalled(MatchType == MATCH_GLOB ? MATCH_NGLOB : MatchType, pkgs, &errcode);
if (errcode != 0 || matched == NULL)
return 1;
for (i = 0; matched[i]; i++)
if (!Quiet)
printf("%s\n", matched[i]);
else if (QUIET)
printf("%s%s\n", InfoPrefix, matched[i]);
return 0;
}