419 lines
9.9 KiB
C
419 lines
9.9 KiB
C
#ifndef lint
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static const char rcsid[] =
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"$FreeBSD$";
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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 <err.h>
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#include <signal.h>
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static int pkg_do(char *);
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static int find_pkg(char *, struct which_head *);
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static int cmp_path(const char *, const char *, const char *);
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int
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pkg_perform(char **pkgs)
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{
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char **matched;
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char *tmp;
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int err_cnt = 0;
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int i, errcode;
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signal(SIGINT, cleanup);
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tmp = getenv(PKG_DBDIR);
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if (!tmp)
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tmp = DEF_LOG_DIR;
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/* Overriding action? */
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if (CheckPkg) {
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char buf[FILENAME_MAX];
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snprintf(buf, FILENAME_MAX, "%s/%s", tmp, CheckPkg);
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return abs(access(buf, R_OK));
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/* Not reached */
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} else if (!TAILQ_EMPTY(whead)) {
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return find_pkg(tmp, whead);
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}
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if (MatchType != MATCH_EXACT) {
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matched = matchinstalled(MatchType, pkgs, &errcode);
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if (errcode != 0)
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return 1;
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/* Not reached */
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if (matched != NULL)
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pkgs = matched;
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else switch (MatchType) {
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case MATCH_GLOB:
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break;
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case MATCH_ALL:
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warnx("no packages installed");
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return 0;
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/* Not reached */
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case MATCH_REGEX:
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warnx("no packages match pattern(s)");
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return 1;
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/* Not reached */
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default:
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break;
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}
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}
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for (i = 0; pkgs[i]; i++)
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err_cnt += pkg_do(pkgs[i]);
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return err_cnt;
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}
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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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Package plist;
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FILE *fp;
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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 (isURL(pkg)) {
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if ((cp = fileGetURL(NULL, pkg)) != NULL) {
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strcpy(fname, cp);
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isTMP = TRUE;
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}
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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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upchuck("getcwd");
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len = strlen(fname);
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snprintf(&fname[len], FILENAME_MAX - len, "/%s", pkg);
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}
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else
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strcpy(fname, pkg);
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cp = fname;
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}
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else {
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if ((cp = fileFindByPath(NULL, pkg)) != NULL)
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strncpy(fname, cp, FILENAME_MAX);
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}
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if (cp) {
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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, 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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/* It's not an ininstalled package, try and find it among the installed */
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else {
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char *tmp;
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sprintf(log_dir, "%s/%s", (tmp = getenv(PKG_DBDIR)) ? tmp : DEF_LOG_DIR,
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pkg);
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if (!fexists(log_dir)) {
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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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/* Suck in 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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/*
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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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snprintf(tmp, FILENAME_MAX, "%-19s ", pkg);
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show_index(tmp, COMMENT_FNAME);
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}
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else {
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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 (Flags & SHOW_COMMENT)
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show_file("Comment:\n", COMMENT_FNAME);
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if (Flags & SHOW_REQUIRE)
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show_plist("Depends on:\n", &plist, PLIST_PKGDEP);
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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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if (Flags & SHOW_DESC)
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show_file("Description:\n", DESC_FNAME);
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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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if (Flags & SHOW_PLIST)
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show_plist("Packing list:\n", &plist, (plist_t)-1);
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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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if ((Flags & SHOW_INSTALL) && fexists(POST_INSTALL_FNAME))
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show_file("Post-Install script:\n", POST_INSTALL_FNAME);
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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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if ((Flags & SHOW_DEINSTALL) && fexists(POST_DEINSTALL_FNAME))
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show_file("Post-DeInstall script:\n", POST_DEINSTALL_FNAME);
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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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if (Flags & SHOW_PREFIX)
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show_plist("Prefix(s):\n", &plist, PLIST_CWD);
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if (Flags & SHOW_FILES)
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show_files("Files:\n", &plist);
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if ((Flags & SHOW_SIZE) && installed)
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show_size("Package Size:\n", &plist);
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if ((Flags & SHOW_CKSUM) && installed)
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show_cksum("Mismatched Checksums:\n", &plist);
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if (Flags & SHOW_ORIGIN)
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show_origin("Origin:\n", &plist);
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if (!Quiet)
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puts(InfoPrefix);
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}
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free_plist(&plist);
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bail:
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leave_playpen();
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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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void
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cleanup(int sig)
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{
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static int in_cleanup = 0;
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if (!in_cleanup) {
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in_cleanup = 1;
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leave_playpen();
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}
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if (sig)
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exit(1);
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}
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/*
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* Return an absolute path, additionally removing all .'s, ..'s, and extraneous
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* /'s, as realpath() would, but without resolving symlinks, because that can
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* potentially screw up our comparisons later.
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*/
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char *
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abspath(const char *pathname)
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{
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char *tmp, *tmp1, *resolved_path;
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char *cwd = NULL;
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int len;
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if (pathname[0] != '/') {
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cwd = getcwd(NULL, MAXPATHLEN);
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asprintf(&resolved_path, "%s/%s/", cwd, pathname);
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} else
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asprintf(&resolved_path, "%s/", pathname);
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if (resolved_path == NULL)
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errx(2, NULL);
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if (cwd != NULL)
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free(cwd);
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while ((tmp = strstr(resolved_path, "//")) != NULL)
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strcpy(tmp, tmp + 1);
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while ((tmp = strstr(resolved_path, "/./")) != NULL)
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strcpy(tmp, tmp + 2);
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while ((tmp = strstr(resolved_path, "/../")) != NULL) {
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*tmp = '\0';
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if ((tmp1 = strrchr(resolved_path, '/')) == NULL)
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tmp1 = resolved_path;
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strcpy(tmp1, tmp + 3);
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}
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len = strlen(resolved_path);
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if (len > 1 && resolved_path[len - 1] == '/')
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resolved_path[len - 1] = '\0';
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return resolved_path;
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}
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/*
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* Comparison to see if the path we're on matches the
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* one we are looking for.
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*/
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static int
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cmp_path(const char *target, const char *current, const char *cwd)
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{
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char *resolved, *temp;
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int rval;
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asprintf(&temp, "%s/%s", cwd, current);
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if (temp == NULL)
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errx(2, NULL);
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/*
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* Make sure there's no multiple /'s or other weird things in the PLIST,
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* since some plists seem to have them and it could screw up our strncmp.
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*/
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resolved = abspath(temp);
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if (strcmp(target, resolved) == 0)
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rval = 1;
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else
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rval = 0;
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free(temp);
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free(resolved);
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return rval;
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}
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/*
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* Look through package dbs in db_dir and find which
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* packages installed the files in which_list.
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*/
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static int
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find_pkg(char *db_dir, struct which_head *which_list)
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{
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char **installed;
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int errcode, i;
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struct which_entry *wp;
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TAILQ_FOREACH(wp, which_list, next) {
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char *msg = "file cannot be found";
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char *tmp;
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wp->skip = TRUE;
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/* If it's not a file, we'll see if it's an executable. */
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if (isfile(wp->file) == FALSE) {
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if (strchr(wp->file, '/') == NULL) {
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tmp = vpipe("/usr/bin/which %s", wp->file);
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if (tmp != NULL) {
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strlcpy(wp->file, tmp, PATH_MAX);
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wp->skip = FALSE;
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free(tmp);
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} else
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msg = "file is not in PATH";
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}
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} else {
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tmp = abspath(wp->file);
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if (isfile(tmp)) {
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strlcpy(wp->file, tmp, PATH_MAX);
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wp->skip = FALSE;
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}
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free(tmp);
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}
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if (wp->skip == TRUE)
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warnx("%s: %s", wp->file, msg);
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}
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installed = matchinstalled(MATCH_ALL, NULL, &errcode);
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if (installed == NULL)
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return errcode;
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for (i = 0; installed[i] != NULL; i++) {
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FILE *fp;
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Package pkg;
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PackingList itr;
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char *cwd = NULL;
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char tmp[PATH_MAX];
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snprintf(tmp, PATH_MAX, "%s/%s/%s", db_dir, installed[i],
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CONTENTS_FNAME);
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fp = fopen(tmp, "r");
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if (fp == NULL) {
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warn("%s", tmp);
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return 1;
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}
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pkg.head = pkg.tail = NULL;
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read_plist(&pkg, fp);
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fclose(fp);
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for (itr = pkg.head; itr != pkg.tail; itr = itr->next) {
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if (itr->type == PLIST_CWD) {
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cwd = itr->name;
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} else if (itr->type == PLIST_FILE) {
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TAILQ_FOREACH(wp, which_list, next) {
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if (wp->skip == TRUE)
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continue;
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if (!cmp_path(wp->file, itr->name, cwd))
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continue;
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if (wp->package[0] != '\0') {
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warnx("both %s and %s claim to have installed %s\n",
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wp->package, installed[i], wp->file);
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} else {
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strlcpy(wp->package, installed[i], PATH_MAX);
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}
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}
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}
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}
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free_plist(&pkg);
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}
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TAILQ_FOREACH(wp, which_list, next) {
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if (wp->package[0] != '\0') {
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if (Quiet)
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puts(wp->package);
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else
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printf("%s was installed by package %s\n", \
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wp->file, wp->package);
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}
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}
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while (!TAILQ_EMPTY(which_list)) {
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wp = TAILQ_FIRST(which_list);
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TAILQ_REMOVE(which_list, wp, next);
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free(wp);
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}
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free(which_list);
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return 0;
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}
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