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/* $OpenBSD: perform.c,v 1.11 2001/11/26 05:04:33 deraadt Exp $ */
#ifndef lint
static const char *rcsid = "$OpenBSD: perform.c,v 1.11 2001/11/26 05:04:33 deraadt Exp $";
#endif
/* This is OpenBSD pkg_install, based on:
*
* 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;
/* retrieve info on installed packages from the base name:
* find a full name of the form pkg-xxx.
*/
static char *
find_prefix(char *buffer, int bufsize, char *base, char *pkg)
{
DIR *dirp;
struct dirent *dp;
char *res;
int pkg_length = strlen(pkg);
if (! (dirp = opendir(base)) )
return 0;
while ( (dp = readdir(dirp)) ) {
if (strncmp(dp->d_name, pkg, pkg_length) == 0
&& dp->d_name[pkg_length] == '-') {
snprintf(buffer, bufsize, "%s/%s", base, dp->d_name);
/* pedantic: need to dup res before closedir() */
res = strdup(dp->d_name);
(void)closedir(dirp);
return res;
}
}
(void)closedir(dirp);
return 0;
}
static int
pkg_do(char *pkg)
{
Boolean installed = FALSE, isTMP = FALSE;
char log_dir[FILENAME_MAX];
char fname[FILENAME_MAX];
package_t plist;
FILE *fp;
struct stat sb;
char *cp = NULL;
int code = 0;
char *pkg2 = 0; /* hold full name of package, storage to free */
int len;
set_pkg(pkg);
if (isURL(pkg)) {
if ((cp = fileGetURL(NULL, pkg)) != NULL) {
strcpy(fname, cp);
isTMP = TRUE;
}
} else if (fexists(pkg) && isfile(pkg)) {
if (*pkg != '/') {
if (!getcwd(fname, FILENAME_MAX)) {
cleanup(0);
err(1, "fatal error during execution: 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 != '/') {
if (!getcwd(fname, FILENAME_MAX)) {
cleanup(0);
err(1, "fatal error during execution: getcwd");
}
len = strlen(fname);
snprintf(&fname[len], FILENAME_MAX - len, "/%s", cp);
}
}
}
if (cp) {
if (isURL(pkg)) {
/* file is already unpacked by fileGetURL() */
strcpy(PlayPen, cp);
} else {
/*
* 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) {
pwarnx("can't stat package file '%s'", fname);
code = 1;
goto bail;
}
Home = make_playpen(PlayPen, PlayPenSize, sb.st_size / 2);
if (unpack(fname, "+*")) {
pwarnx("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 {
char *tmp;
if (!(tmp = getenv(PKG_DBDIR)))
tmp = DEF_LOG_DIR;
(void) snprintf(log_dir, sizeof(log_dir), "%s/%s", tmp,
pkg);
if (!fexists(log_dir) &&
! (pkg2 = find_prefix(log_dir, sizeof(log_dir), tmp, pkg))) {
pwarnx("can't find package `%s' installed or in a file!", pkg);
return 1;
}
if (pkg2)
pkg = pkg2;
if (chdir(log_dir) == FAIL) {
pwarnx("can't change directory to '%s'!", log_dir);
free(pkg2);
return 1;
}
installed = TRUE;
}
/*
* Index is special info type that has to override all others to make
* any sense.
*/
if (Flags & SHOW_INDEX) {
show_index(pkg, COMMENT_FNAME);
} else {
/* Suck in the contents list */
plist.head = plist.tail = NULL;
fp = fopen(CONTENTS_FNAME, "r");
if (!fp) {
pwarnx("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 (Flags & SHOW_COMMENT)
show_file("Comment:\n", COMMENT_FNAME);
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_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 (!Quiet)
puts(InfoPrefix);
free_plist(&plist);
}
bail:
free(pkg2);
leave_playpen(Home);
if (isTMP)
unlink(fname);
return code;
}
/* fn to be called for pkgs found */
static int
foundpkg(const char *found, char *data)
{
if(!Quiet)
printf("%s\n", found);
return 0;
}
/* check if a package "pkgspec" (which can be a pattern) is installed */
/* return 0 if found, 1 otherwise (indicating an error). */
static int
check4pkg(char *pkgspec, char *dbdir)
{
if (strpbrk(pkgspec, "<>[]?*{")) {
/* expensive (pattern) match */
int found;
found=findmatchingname(dbdir, pkgspec, foundpkg, NULL);
return !found;
} else {
/* simple match */
char buf[FILENAME_MAX];
int error;
struct stat st;
snprintf(buf, sizeof(buf), "%s/%s", dbdir, pkgspec);
error = (stat(buf, &st) < 0);
if (!error && !Quiet)
printf("%s\n", pkgspec);
return error;
}
}
void
cleanup(int sig)
{
leave_playpen(Home); /* XXX signal race */
_exit(1);
}
int
pkg_perform(char **pkgs)
{
int i, err_cnt = 0;
char *tmp;
signal(SIGINT, cleanup);
tmp = getenv(PKG_DBDIR);
if (!tmp)
tmp = DEF_LOG_DIR;
/* Overriding action? */
if (CheckPkg) {
err_cnt += check4pkg(CheckPkg, tmp);
} else if (AllInstalled) {
struct dirent *dp;
DIR *dirp;
if (!(isdir(tmp) || islinktodir(tmp)))
return 1;
if (chdir(tmp) != 0)
return 1;
if ((dirp = opendir(".")) != (DIR *) NULL) {
while ((dp = readdir(dirp)) != (struct dirent *) NULL) {
if (strcmp(dp->d_name, ".") && strcmp(dp->d_name, "..")) {
err_cnt += pkg_do(dp->d_name);
}
}
(void) closedir(dirp);
}
} else {
for (i = 0; pkgs[i]; i++) {
err_cnt += pkg_do(pkgs[i]);
}
}
return err_cnt;
}
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