363 lines
9.7 KiB
C
363 lines
9.7 KiB
C
#ifndef lint
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static const char *rcsid = "$Id: perform.c,v 1.12 1994/11/17 10:53:21 jkh Exp $";
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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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* 18 July 1993
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*
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* This is the main body of the add module.
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*
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*/
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#include "lib.h"
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#include "add.h"
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#include <signal.h>
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#include <sys/wait.h>
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static int pkg_do(char *);
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static int sanity_check(char *);
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static char LogDir[FILENAME_MAX];
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int
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pkg_perform(char **pkgs)
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{
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int i, err_cnt = 0;
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signal(SIGINT, cleanup);
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signal(SIGHUP, cleanup);
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if (AddMode == SLAVE)
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err_cnt = pkg_do(NULL);
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else {
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for (i = 0; pkgs[i]; i++)
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err_cnt += pkg_do(pkgs[i]);
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}
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return err_cnt;
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}
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static Package Plist;
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/* This is seriously ugly code following. Written very fast! */
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static int
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pkg_do(char *pkg)
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{
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char pkg_fullname[FILENAME_MAX];
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char home[FILENAME_MAX];
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FILE *cfile;
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int code = 0;
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PackingList p;
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struct stat sb;
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/* Reset some state */
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if (Plist.head)
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free_plist(&Plist);
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LogDir[0] = '\0';
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if (AddMode == SLAVE) {
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char tmp_dir[FILENAME_MAX];
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fgets(tmp_dir, FILENAME_MAX, stdin);
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tmp_dir[strlen(tmp_dir) - 1] = '\0'; /* pesky newline! */
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if (chdir(tmp_dir) == FAIL) {
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whinge("pkg_add in SLAVE mode can't chdir to %s.", tmp_dir);
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return 1;
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}
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read_plist(&Plist, stdin);
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}
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else {
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if (!getcwd(home, FILENAME_MAX))
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upchuck("getcwd");
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if (pkg[0] == '/') /* full pathname? */
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strcpy(pkg_fullname, pkg);
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else
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sprintf(pkg_fullname, "%s/%s", home, pkg);
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if (!fexists(pkg_fullname)) {
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whinge("Can't find package '%s'.", pkg_fullname);
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return 1;
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}
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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%, so multiply by 4 for good measure.
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*/
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if (stat(pkg_fullname, &sb) == FAIL) {
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whinge("Can't stat package file '%s'.", pkg_fullname);
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return 1;
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}
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sb.st_size *= 4;
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(void)make_playpen(PlayPen, sb.st_size);
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if (unpack(pkg_fullname, NULL))
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return 1;
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if (sanity_check(pkg_fullname))
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return 1;
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cfile = fopen(CONTENTS_FNAME, "r");
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if (!cfile) {
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whinge("Unable to open %s file.", CONTENTS_FNAME);
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goto fail;
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}
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read_plist(&Plist, cfile);
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fclose(cfile);
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if (Prefix) {
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/*
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* If we have a prefix, delete the first one we see and add this
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* one in place of it.
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*/
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delete_plist(&Plist, FALSE, PLIST_CWD, NULL);
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add_plist_top(&Plist, PLIST_CWD, Prefix);
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}
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/* If we're running in MASTER mode, just output the plist and return */
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if (AddMode == MASTER) {
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printf("%s\n", where_playpen());
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write_plist(&Plist, stdout);
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return 0;
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}
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}
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setenv(PKG_PREFIX_VNAME,
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(p = find_plist(&Plist, PLIST_CWD)) ? p->name : NULL, 1);
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PkgName = (p = find_plist(&Plist, PLIST_NAME)) ? p->name : "anonymous";
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/* Protect against old packages with bogus @name fields */
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sprintf(LogDir, "%s/%s", LOG_DIR, basename_of(PkgName));
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if (isdir(LogDir)) {
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whinge("Package `%s' already recorded as installed.\n", PkgName);
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code = 1;
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goto success; /* close enough for government work */
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}
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for (p = Plist.head; p ; p = p->next) {
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if (p->type != PLIST_PKGDEP)
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continue;
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if (Verbose)
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printf("Checking dependency on package list `%s'\n", p->name);
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if (!Fake && vsystem("pkg_info -e %s", p->name)) {
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whinge("Package `%s' depends on missing package `%s'%s.", PkgName,
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p->name, Force ? " (proceeding anyway)" : "");
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if (!Force)
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code++;
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}
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}
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if (code != 0)
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goto success; /* close enough for government work */
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if (fexists(REQUIRE_FNAME)) {
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vsystem("chmod +x %s", REQUIRE_FNAME); /* be sure */
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if (Verbose)
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printf("Running requirements file first for %s..\n", PkgName);
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if (!Fake && vsystem("./%s %s INSTALL", REQUIRE_FNAME, PkgName)) {
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whinge("Package %s fails requirements %s",
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pkg_fullname,
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Force ? "installing anyway" : "- not installed.");
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if (!Force) {
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code = 1;
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goto success; /* close enough for government work */
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}
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}
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}
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if (!NoInstall && fexists(INSTALL_FNAME)) {
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vsystem("chmod +x %s", INSTALL_FNAME); /* make sure */
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if (Verbose)
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printf("Running install with PRE-INSTALL for %s..\n", PkgName);
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if (!Fake && vsystem("./%s %s PRE-INSTALL", INSTALL_FNAME, PkgName)) {
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whinge("Install script returned error status.");
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code = 1;
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goto success; /* nothing to uninstall yet */
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}
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}
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extract_plist(home, &Plist);
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if (!NoInstall && fexists(MTREE_FNAME)) {
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if (Verbose)
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printf("Running mtree for %s..\n", PkgName);
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p = find_plist(&Plist, PLIST_CWD);
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if (Verbose)
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printf("mtree -u -f %s -d -e -p %s\n", MTREE_FNAME,
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p ? p->name : "/");
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if (!Fake) {
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pid_t chpid;
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int rval, status;
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chpid = fork();
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if (chpid == 0) {
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execl("/usr/sbin/mtree", "mtree", "-u", "-f", MTREE_FNAME,
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"-d", "-e", "-p", p ? p->name : "/");
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perror("cannot execute mtree");
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exit(3);
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}
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if (chpid == (pid_t) -1) {
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warn("Cannot fork mtree");
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code = 1;
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goto fail;
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}
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if (waitpid(chpid, &status, 0) == -1) {
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warn("Cannot wait for mtree");
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code = 1;
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goto fail;
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}
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if (!WIFEXITED(status)) {
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whinge("Strange exit from mtree: %x", status);
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code = 1;
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goto fail;
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}
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#ifdef DEBUG
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whinge("mtree exits %d\n", WEXITSTATUS(status));
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#endif
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switch (WEXITSTATUS(status)) {
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case 0:
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break; /* normal */
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case 2:
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whinge("\nWARNING: Mtree attempted some work which may not have completed.\n\tExamine the above output.\n\t(most likely it changed directory permissions)\n");
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break;
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default:
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whinge("Error status %d from mtree.", WEXITSTATUS(status));
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code = 1;
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goto fail;
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}
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}
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}
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if (!NoInstall && fexists(INSTALL_FNAME)) {
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if (Verbose)
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printf("Running install with POST-INSTALL for %s..\n", PkgName);
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if (!Fake && vsystem("./%s %s POST-INSTALL", INSTALL_FNAME, PkgName)) {
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whinge("Install script returned error status.");
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code = 1;
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goto fail;
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}
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}
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if (!NoRecord && !Fake) {
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char contents[FILENAME_MAX];
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FILE *cfile;
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umask(022);
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if (getuid() != 0)
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whinge("Not running as root - trying to record install anyway.");
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if (!PkgName) {
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whinge("No package name! Can't record package, sorry.");
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code = 1;
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goto success; /* well, partial anyway */
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}
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/* Protect against old packages with bogus @name fields */
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sprintf(LogDir, "%s/%s", LOG_DIR, basename_of(PkgName));
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if (Verbose)
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printf("Attempting to record package into %s..\n", LogDir);
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if (make_hierarchy(LogDir)) {
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whinge("Can't record package into '%s', you're on your own!",
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LogDir);
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bzero(LogDir, FILENAME_MAX);
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code = 1;
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goto success; /* close enough for government work */
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}
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/* Make sure pkg_info can read the entry */
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vsystem("chmod a+rx %s", LogDir);
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if (fexists(DEINSTALL_FNAME))
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copy_file(".", DEINSTALL_FNAME, LogDir);
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if (fexists(REQUIRE_FNAME))
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copy_file(".", REQUIRE_FNAME, LogDir);
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sprintf(contents, "%s/%s", LogDir, CONTENTS_FNAME);
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cfile = fopen(contents, "w");
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if (!cfile) {
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whinge("Can't open new contents file '%s'! Can't register pkg.",
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contents);
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goto success; /* can't log, but still keep pkg */
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}
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write_plist(&Plist, cfile);
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fclose(cfile);
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copy_file(".", DESC_FNAME, LogDir);
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copy_file(".", COMMENT_FNAME, LogDir);
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if (fexists(DISPLAY_FNAME))
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copy_file(".", DISPLAY_FNAME, LogDir);
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for (p = Plist.head; p ; p = p->next) {
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if (p->type != PLIST_PKGDEP)
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continue;
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if (Verbose)
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printf("Attempting to record dependency on package `%s'\n",
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p->name);
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sprintf(contents, "%s/%s/%s", LOG_DIR, basename_of(p->name),
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REQUIRED_BY_FNAME);
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cfile = fopen(contents, "a");
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if (!cfile) {
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whinge("Can't open dependency file '%s'!\n\tDependency registration incomplete.",
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contents);
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continue;
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}
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fprintf(cfile, "%s\n", basename_of(PkgName));
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if (fclose(cfile) == EOF)
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warn("Cannot properly close file %s", contents);
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}
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if (Verbose)
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printf("Package %s registered in %s\n", PkgName, LogDir);
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}
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if (p = find_plist(&Plist, PLIST_DISPLAY)) {
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FILE *fp;
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char buf[BUFSIZ];
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fp = fopen(p->name, "r");
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if (fp) {
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putc('\n', stdout);
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while (fgets(buf, sizeof(buf), fp))
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fputs(buf, stdout);
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putc('\n', stdout);
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(void) fclose(fp);
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} else
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warn("Cannot open display file `%s'.", p->name);
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}
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goto success;
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fail:
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/* Nuke the whole (installed) show, XXX but don't clean directories */
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if (!Fake)
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delete_package(FALSE, FALSE, &Plist);
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success:
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/* delete the packing list contents */
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leave_playpen();
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return code;
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}
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static int
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sanity_check(char *pkg)
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{
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if (!fexists(CONTENTS_FNAME)) {
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whinge("Package %s has no CONTENTS file!", pkg);
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return 1;
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}
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if (!fexists(COMMENT_FNAME)) {
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whinge("Package %s has no COMMENT file!", pkg);
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return 1;
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}
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if (!fexists(DESC_FNAME)) {
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whinge("Package %s has no DESC file!", pkg);
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return 1;
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}
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return 0;
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}
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void
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cleanup(int signo)
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{
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if (signo)
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printf("Signal %d received, cleaning up..\n", signo);
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if (Plist.head) {
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if (!Fake)
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delete_package(FALSE, FALSE, &Plist);
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free_plist(&Plist);
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}
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if (!Fake && LogDir[0])
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vsystem("%s -rf %s", REMOVE_CMD, LogDir);
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leave_playpen();
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}
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