NetBSD/usr.sbin/pkg_install/info/perform.c

399 lines
10 KiB
C

/* $NetBSD: perform.c,v 1.57 2004/11/02 01:03:29 erh Exp $ */
#include <sys/cdefs.h>
#ifndef lint
#if 0
static const char *rcsid = "from FreeBSD Id: perform.c,v 1.23 1997/10/13 15:03:53 jkh Exp";
#else
__RCSID("$NetBSD: perform.c,v 1.57 2004/11/02 01:03:29 erh Exp $");
#endif
#endif
/*
* 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 "lib.h"
#include "info.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <err.h>
#include <signal.h>
#include <dirent.h>
#include <ctype.h>
static char *Home;
static int
pkg_do(char *pkg)
{
Boolean installed = FALSE, isTMP = FALSE;
char log_dir[FILENAME_MAX];
char fname[FILENAME_MAX];
struct stat sb;
char *cp = NULL;
int code = 0;
char flist[sizeof(ALL_FNAMES)];
if (IS_URL(pkg)) {
if ((cp = fileGetURL(pkg)) != NULL) {
strlcpy(fname, cp, sizeof(fname));
isTMP = TRUE;
}
} else if (usedot && fexists(pkg) && isfile(pkg)) {
int len;
if (*pkg != '/') {
if (!getcwd(fname, FILENAME_MAX)) {
cleanup(0);
err(EXIT_FAILURE, "fatal error during execution: getcwd");
}
len = strlen(fname);
(void) snprintf(&fname[len], sizeof(fname) - len, "/%s", pkg);
} else {
strlcpy(fname, pkg, sizeof(fname));
}
cp = fname;
} else if (usedot) {
if ((cp = fileFindByPath(pkg)) != NULL) {
strncpy(fname, cp, FILENAME_MAX);
}
}
if (cp) {
if (IS_URL(pkg)) {
/* file is already unpacked by fileGetURL() */
strcpy(PlayPen, cp);
} else {
if (IS_URL(cp)) {
/* only a package name was given, and it was expanded to a
* full URL by fileFindByPath. Now extract...
*/
char *cp2;
if ((cp2 = fileGetURL(cp)) != NULL) {
strlcpy(fname, cp2, sizeof(fname));
isTMP = TRUE;
}
strcpy(PlayPen, cp2);
} else {
if (!usedot) {
/* only recognise a local uninstalled package if usedot was given */
warnx("can't find package file '%s'", fname);
code = 1;
goto bail;
}
/*
* 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
* needed so be very optimistic.
*/
/* Determine which +-files to unpack - not all may be present! */
strcat(flist, CONTENTS_FNAME); strcat(flist, " ");
strcat(flist, COMMENT_FNAME); strcat(flist, " ");
strcat(flist, DESC_FNAME); strcat(flist, " ");
if (Flags & SHOW_MTREE) { strcat(flist, MTREE_FNAME); strcat(flist, " "); }
if (Flags & SHOW_BUILD_VERSION) { strcat(flist, BUILD_VERSION_FNAME); strcat(flist, " "); }
if (Flags & SHOW_BUILD_INFO) { strcat(flist, BUILD_INFO_FNAME); strcat(flist, " "); }
if (Flags & SHOW_PKG_SIZE) { strcat(flist, SIZE_PKG_FNAME); strcat(flist, " "); }
if (Flags & SHOW_ALL_SIZE) { strcat(flist, SIZE_ALL_FNAME); strcat(flist, " "); }
#if 0
if (Flags & SHOW_REQBY) { strcat(flist, REQUIRED_BY_FNAME); strcat(flist, " "); }
if (Flags & SHOW_DISPLAY) { strcat(flist, DISPLAY_FNAME); strcat(flist, " "); }
if (Flags & SHOW_INSTALL) { strcat(flist, INSTALL_FNAME); strcat(flist, " "); }
if (Flags & SHOW_DEINSTALL) { strcat(flist, DEINSTALL_FNAME); strcat(flist, " "); }
if (Flags & SHOW_REQUIRE) { strcat(flist, REQUIRE_FNAME); strcat(flist, " "); }
/* PRESERVE_FNAME? */
#endif
if (stat(fname, &sb) == FAIL) {
warnx("can't stat package file '%s'", fname);
code = 1;
goto bail;
}
Home = make_playpen(PlayPen, PlayPenSize, sb.st_size / 2);
if (unpack(fname, flist)) {
warnx("error during unpacking, no info for '%s' available", pkg);
code = 1;
goto bail;
}
}
}
} else {
/*
* It's not an uninstalled package, try and find it among the
* installed
*/
(void) snprintf(log_dir, sizeof(log_dir), "%s/%s",
_pkgdb_getPKGDB_DIR(), pkg);
if (!fexists(log_dir) || !(isdir(log_dir) || islinktodir(log_dir))) {
{
/* Check if the given package name matches
* something with 'pkg-[0-9]*' */
char try[FILENAME_MAX];
snprintf(try, FILENAME_MAX, "%s-[0-9]*", pkg);
if (findmatchingname(_pkgdb_getPKGDB_DIR(), try,
add_to_list_fn, &pkgs) > 0) {
return 0; /* we've just appended some names to the pkgs list,
* they will be processed after this package. */
}
}
/* No match */
warnx("can't find package `%s' installed%s!", pkg,
usedot ? " or in a file" : "");
return 1;
}
if (chdir(log_dir) == FAIL) {
warnx("can't change directory to '%s'!", log_dir);
return 1;
}
installed = TRUE;
}
/*
* Index is special info type that has to override all others to make
* any sense.
*/
if (Flags & SHOW_INDEX) {
char tmp[FILENAME_MAX];
(void) snprintf(tmp, sizeof(tmp), "%-19s ", pkg);
show_index(tmp, COMMENT_FNAME);
} else if (Flags & SHOW_BI_VAR) {
show_var(BUILD_INFO_FNAME, BuildInfoVariable);
} else {
FILE *fp;
package_t plist;
/* Read the contents list */
plist.head = plist.tail = NULL;
fp = fopen(CONTENTS_FNAME, "r");
if (!fp) {
warn("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);
/* Start showing the package contents */
if (!Quiet) {
printf("%sInformation for %s:\n\n", InfoPrefix, pkg);
if (fexists(PRESERVE_FNAME)) {
printf("*** PACKAGE MAY NOT BE DELETED ***\n");
}
}
if (Flags & SHOW_COMMENT) {
show_file("Comment:\n", COMMENT_FNAME);
}
if (Flags & SHOW_DEPENDS) {
show_depends("Requires:\n", &plist);
}
if (Flags & SHOW_BLD_DEPENDS) {
show_bld_depends("Built using:\n", &plist);
}
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_SHOW_ALL);
}
if ((Flags & SHOW_INSTALL) && fexists(INSTALL_FNAME)) {
show_file("Install script:\n", INSTALL_FNAME);
}
if ((Flags & SHOW_DEINSTALL) && fexists(DEINSTALL_FNAME)) {
show_file("De-Install script:\n", DEINSTALL_FNAME);
}
if ((Flags & SHOW_REQUIRE) && fexists(REQUIRE_FNAME)) {
show_file("Require script:\n", REQUIRE_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);
}
if (Flags & SHOW_FILES) {
show_files("Files:\n", &plist);
}
if ((Flags & SHOW_BUILD_VERSION) && fexists(BUILD_VERSION_FNAME)) {
show_file("Build version:\n", BUILD_VERSION_FNAME);
}
if ((Flags & SHOW_BUILD_INFO) && fexists(BUILD_INFO_FNAME)) {
show_file("Build information:\n", BUILD_INFO_FNAME);
}
if ((Flags & SHOW_PKG_SIZE) && fexists(SIZE_PKG_FNAME)) {
show_file("Size of this package in bytes: ", SIZE_PKG_FNAME);
}
if ((Flags & SHOW_ALL_SIZE) && fexists(SIZE_ALL_FNAME)) {
show_file("Size in bytes including required pkgs: ", SIZE_ALL_FNAME);
}
if (!Quiet) {
if (fexists(PRESERVE_FNAME)) {
printf("*** PACKAGE MAY NOT BE DELETED ***\n\n");
}
puts(InfoPrefix);
}
free_plist(&plist);
}
bail:
leave_playpen(Home);
if (isTMP)
unlink(fname);
return code;
}
/*
* Function to be called for pkgs found
*/
static int
foundpkg(const char *found, void *vp)
{
char *data = vp;
char buf[FILENAME_MAX+1];
/* we only want to display this if it really is a directory */
snprintf(buf, sizeof(buf), "%s/%s", data, found);
if (!(isdir(buf) || islinktodir(buf))) {
/* return value seems to be ignored for now */
return -1;
}
if (!Quiet) {
printf("%s\n", found);
}
return 0;
}
/*
* Check if a package "pkgspec" (which can be a pattern) is installed.
* dbdir contains the return value of _pkgdb_getPKGDB_DIR(), for reading only.
* Return 0 if found, 1 otherwise (indicating an error).
*/
static int
CheckForPkg(char *pkgspec, char *dbdir)
{
char buf[FILENAME_MAX];
int error;
if (strpbrk(pkgspec, "<>[]?*{")) {
/* expensive (pattern) match */
error = findmatchingname(dbdir, pkgspec, foundpkg, dbdir);
if (error == -1)
return 1;
else
return !error;
}
/* simple match */
(void) snprintf(buf, sizeof(buf), "%s/%s", dbdir, pkgspec);
error = !(isdir(buf) || islinktodir(buf));
if (!error && !Quiet) {
printf("%s\n", pkgspec);
}
if (error) {
/* found nothing - try 'pkg-[0-9]*' */
char try[FILENAME_MAX];
snprintf(try, FILENAME_MAX, "%s-[0-9]*", pkgspec);
if (findmatchingname(dbdir, try, foundpkg, dbdir) > 0) {
error = 0;
}
}
return error;
}
void
cleanup(int sig)
{
leave_playpen(Home);
exit(1);
}
int
pkg_perform(lpkg_head_t *pkghead)
{
struct dirent *dp;
char *dbdir;
DIR *dirp;
int err_cnt = 0;
signal(SIGINT, cleanup);
dbdir = _pkgdb_getPKGDB_DIR();
/* Overriding action? */
if (CheckPkg) {
err_cnt += CheckForPkg(CheckPkg, dbdir);
} else if (AllInstalled) {
if (!(isdir(dbdir) || islinktodir(dbdir)))
return 1;
if (File2Pkg) {
/* Show all files with the package they belong to */
pkgdb_dump();
} else {
/* Show all packges with description */
if ((dirp = opendir(dbdir)) != (DIR *) NULL) {
while ((dp = readdir(dirp)) != (struct dirent *) NULL) {
char tmp2[FILENAME_MAX];
if (strcmp(dp->d_name, ".") == 0 ||
strcmp(dp->d_name, "..") == 0)
continue;
(void) snprintf(tmp2, sizeof(tmp2), "%s/%s",
dbdir, dp->d_name);
if (isfile(tmp2))
continue;
err_cnt += pkg_do(dp->d_name);
}
(void) closedir(dirp);
}
}
} else {
/* Show info on individual pkg(s) */
lpkg_t *lpp;
while ((lpp = TAILQ_FIRST(pkghead))) {
TAILQ_REMOVE(pkghead, lpp, lp_link);
err_cnt += pkg_do(lpp->lp_name);
free_lpkg(lpp);
}
}
ftp_stop();
return err_cnt;
}