ca97fe27e5
from the locally installed package. When this modifier is specified pkg_create(8) will also create package files for all packages on which that locally installed package depends. MFC after: 5 days
538 lines
14 KiB
C
538 lines
14 KiB
C
/*
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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 create module.
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*
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include "lib.h"
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#include "create.h"
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#include <err.h>
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#include <libgen.h>
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#include <signal.h>
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#include <stdlib.h>
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#include <sys/syslimits.h>
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#include <sys/wait.h>
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#include <unistd.h>
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static void sanity_check(void);
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static void make_dist(const char *, const char *, const char *, Package *);
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static int create_from_installed_recursive(const char *, const char *);
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static int create_from_installed(const char *, const char *, const char *);
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static char *home;
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int
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pkg_perform(char **pkgs)
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{
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char *pkg = *pkgs; /* Only one arg to create */
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char *cp;
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FILE *pkg_in, *fp;
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Package plist;
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int len;
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const char *suf;
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/* Preliminary setup */
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if (InstalledPkg == NULL)
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sanity_check();
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if (Verbose && !PlistOnly)
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printf("Creating package %s\n", pkg);
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/* chop suffix off if already specified, remembering if we want to compress */
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len = strlen(pkg);
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if (len > 4) {
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if (!strcmp(&pkg[len - 4], ".tbz")) {
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Zipper = BZIP2;
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pkg[len - 4] = '\0';
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}
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else if (!strcmp(&pkg[len - 4], ".tgz")) {
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Zipper = GZIP;
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pkg[len - 4] = '\0';
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}
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else if (!strcmp(&pkg[len - 4], ".tar")) {
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Zipper = NONE;
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pkg[len - 4] = '\0';
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}
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}
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if (Zipper == BZIP2) {
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suf = "tbz";
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setenv("BZIP2", "--best", 0);
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} else if (Zipper == GZIP) {
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suf = "tgz";
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setenv("GZIP", "-9", 0);
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} else
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suf = "tar";
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if (InstalledPkg != NULL) {
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if (!Recursive)
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return (create_from_installed(InstalledPkg, pkg, suf));
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return (create_from_installed_recursive(pkg, suf));
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}
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get_dash_string(&Comment);
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get_dash_string(&Desc);
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if (!strcmp(Contents, "-"))
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pkg_in = stdin;
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else {
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pkg_in = fopen(Contents, "r");
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if (!pkg_in) {
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cleanup(0);
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errx(2, "%s: unable to open contents file '%s' for input",
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__func__, Contents);
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}
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}
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plist.head = plist.tail = NULL;
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/* Stick the dependencies, if any, at the top */
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if (Pkgdeps) {
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char **deps, *deporigin;
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int i;
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int ndeps = 0;
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if (Verbose && !PlistOnly)
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printf("Registering depends:");
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/* Count number of dependencies */
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for (cp = Pkgdeps; cp != NULL && *cp != '\0';
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cp = strpbrk(++cp, " \t\n")) {
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ndeps++;
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}
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if (ndeps != 0) {
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/* Create easy to use NULL-terminated list */
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deps = alloca(sizeof(*deps) * ndeps + 1);
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if (deps == NULL) {
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errx(2, "%s: alloca() failed", __func__);
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/* Not reached */
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}
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for (i = 0; Pkgdeps;) {
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cp = strsep(&Pkgdeps, " \t\n");
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if (*cp) {
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deps[i] = cp;
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i++;
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}
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}
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ndeps = i;
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deps[ndeps] = NULL;
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sortdeps(deps);
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for (i = 0; i < ndeps; i++) {
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deporigin = strchr(deps[i], ':');
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if (deporigin != NULL) {
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*deporigin = '\0';
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add_plist_top(&plist, PLIST_DEPORIGIN, ++deporigin);
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}
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add_plist_top(&plist, PLIST_PKGDEP, deps[i]);
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if (Verbose && !PlistOnly)
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printf(" %s", deps[i]);
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}
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}
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if (Verbose && !PlistOnly)
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printf(".\n");
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}
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/* Put the conflicts directly after the dependencies, if any */
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if (Conflicts) {
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if (Verbose && !PlistOnly)
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printf("Registering conflicts:");
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while (Conflicts) {
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cp = strsep(&Conflicts, " \t\n");
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if (*cp) {
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add_plist(&plist, PLIST_CONFLICTS, cp);
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if (Verbose && !PlistOnly)
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printf(" %s", cp);
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}
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}
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if (Verbose && !PlistOnly)
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printf(".\n");
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}
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/* If a SrcDir override is set, add it now */
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if (SrcDir) {
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if (Verbose && !PlistOnly)
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printf("Using SrcDir value of %s\n", SrcDir);
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add_plist(&plist, PLIST_SRC, SrcDir);
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}
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/* Slurp in the packing list */
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read_plist(&plist, pkg_in);
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/* Prefix should add an @cwd to the packing list */
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if (Prefix)
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add_plist_top(&plist, PLIST_CWD, Prefix);
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/* Add the origin if asked, at the top */
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if (Origin)
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add_plist_top(&plist, PLIST_ORIGIN, Origin);
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/*
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* Run down the list and see if we've named it, if not stick in a name
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* at the top.
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*/
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if (find_plist(&plist, PLIST_NAME) == NULL)
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add_plist_top(&plist, PLIST_NAME, basename(pkg));
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if (asprintf(&cp, "PKG_FORMAT_REVISION:%d.%d", PLIST_FMT_VER_MAJOR,
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PLIST_FMT_VER_MINOR) == -1) {
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errx(2, "%s: asprintf() failed", __func__);
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}
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add_plist_top(&plist, PLIST_COMMENT, cp);
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free(cp);
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/*
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* We're just here for to dump out a revised plist for the FreeBSD ports
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* hack. It's not a real create in progress.
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*/
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if (PlistOnly) {
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check_list(home, &plist);
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write_plist(&plist, stdout);
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exit(0);
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}
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/* Make a directory to stomp around in */
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home = make_playpen(PlayPen, 0);
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signal(SIGINT, cleanup);
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signal(SIGHUP, cleanup);
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/* Make first "real contents" pass over it */
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check_list(home, &plist);
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(void) umask(022); /*
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* Make sure gen'ed directories, files don't have
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* group or other write bits.
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*/
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/* copy_plist(home, &plist); */
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/* mark_plist(&plist); */
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/* Now put the release specific items in */
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add_plist(&plist, PLIST_CWD, ".");
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write_file(COMMENT_FNAME, Comment);
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add_plist(&plist, PLIST_IGNORE, NULL);
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add_plist(&plist, PLIST_FILE, COMMENT_FNAME);
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add_cksum(&plist, plist.tail, COMMENT_FNAME);
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write_file(DESC_FNAME, Desc);
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add_plist(&plist, PLIST_IGNORE, NULL);
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add_plist(&plist, PLIST_FILE, DESC_FNAME);
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add_cksum(&plist, plist.tail, DESC_FNAME);
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if (Install) {
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copy_file(home, Install, INSTALL_FNAME);
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add_plist(&plist, PLIST_IGNORE, NULL);
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add_plist(&plist, PLIST_FILE, INSTALL_FNAME);
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add_cksum(&plist, plist.tail, INSTALL_FNAME);
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}
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if (PostInstall) {
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copy_file(home, PostInstall, POST_INSTALL_FNAME);
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add_plist(&plist, PLIST_IGNORE, NULL);
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add_plist(&plist, PLIST_FILE, POST_INSTALL_FNAME);
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add_cksum(&plist, plist.tail, POST_INSTALL_FNAME);
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}
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if (DeInstall) {
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copy_file(home, DeInstall, DEINSTALL_FNAME);
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add_plist(&plist, PLIST_IGNORE, NULL);
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add_plist(&plist, PLIST_FILE, DEINSTALL_FNAME);
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add_cksum(&plist, plist.tail, DEINSTALL_FNAME);
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}
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if (PostDeInstall) {
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copy_file(home, PostDeInstall, POST_DEINSTALL_FNAME);
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add_plist(&plist, PLIST_IGNORE, NULL);
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add_plist(&plist, PLIST_FILE, POST_DEINSTALL_FNAME);
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add_cksum(&plist, plist.tail, POST_DEINSTALL_FNAME);
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}
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if (Require) {
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copy_file(home, Require, REQUIRE_FNAME);
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add_plist(&plist, PLIST_IGNORE, NULL);
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add_plist(&plist, PLIST_FILE, REQUIRE_FNAME);
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add_cksum(&plist, plist.tail, REQUIRE_FNAME);
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}
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if (Display) {
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copy_file(home, Display, DISPLAY_FNAME);
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add_plist(&plist, PLIST_IGNORE, NULL);
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add_plist(&plist, PLIST_FILE, DISPLAY_FNAME);
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add_cksum(&plist, plist.tail, DISPLAY_FNAME);
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add_plist(&plist, PLIST_DISPLAY, DISPLAY_FNAME);
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}
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if (Mtree) {
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copy_file(home, Mtree, MTREE_FNAME);
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add_plist(&plist, PLIST_IGNORE, NULL);
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add_plist(&plist, PLIST_FILE, MTREE_FNAME);
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add_cksum(&plist, plist.tail, MTREE_FNAME);
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add_plist(&plist, PLIST_MTREE, MTREE_FNAME);
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}
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/* Finally, write out the packing list */
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fp = fopen(CONTENTS_FNAME, "w");
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if (!fp) {
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cleanup(0);
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errx(2, "%s: can't open file %s for writing",
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__func__, CONTENTS_FNAME);
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}
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write_plist(&plist, fp);
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if (fclose(fp)) {
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cleanup(0);
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errx(2, "%s: error while closing %s",
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__func__, CONTENTS_FNAME);
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}
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/* And stick it into a tar ball */
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make_dist(home, pkg, suf, &plist);
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/* Cleanup */
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free(Comment);
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free(Desc);
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free_plist(&plist);
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leave_playpen();
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return TRUE; /* Success */
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}
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static void
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make_dist(const char *homedir, const char *pkg, const char *suff, Package *plist)
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{
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char tball[FILENAME_MAX];
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PackingList p;
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int ret;
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const char *args[50]; /* Much more than enough. */
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int nargs = 0;
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int pipefds[2];
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FILE *totar;
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pid_t pid;
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const char *cname;
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args[nargs++] = "tar"; /* argv[0] */
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if (*pkg == '/')
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snprintf(tball, FILENAME_MAX, "%s.%s", pkg, suff);
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else
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snprintf(tball, FILENAME_MAX, "%s/%s.%s", homedir, pkg, suff);
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args[nargs++] = "-c";
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args[nargs++] = "-f";
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args[nargs++] = tball;
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if (strchr(suff, 'z')) { /* Compress/gzip/bzip2? */
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if (Zipper == BZIP2) {
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args[nargs++] = "-j";
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cname = "bzip'd ";
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}
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else {
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args[nargs++] = "-z";
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cname = "gzip'd ";
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}
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} else {
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cname = "";
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}
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if (Dereference)
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args[nargs++] = "-h";
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if (ExcludeFrom) {
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args[nargs++] = "-X";
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args[nargs++] = ExcludeFrom;
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}
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args[nargs++] = "-T"; /* Take filenames from file instead of args. */
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args[nargs++] = "-"; /* Use stdin for the file. */
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args[nargs] = NULL;
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if (Verbose)
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printf("Creating %star ball in '%s'\n", cname, tball);
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/* Set up a pipe for passing the filenames, and fork off a tar process. */
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if (pipe(pipefds) == -1) {
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cleanup(0);
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errx(2, "%s: cannot create pipe", __func__);
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}
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if ((pid = fork()) == -1) {
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cleanup(0);
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errx(2, "%s: cannot fork process for tar", __func__);
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}
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if (pid == 0) { /* The child */
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dup2(pipefds[0], 0);
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close(pipefds[0]);
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close(pipefds[1]);
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execv("/usr/bin/tar", (char * const *)(uintptr_t)args);
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cleanup(0);
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errx(2, "%s: failed to execute tar command", __func__);
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}
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/* Meanwhile, back in the parent process ... */
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close(pipefds[0]);
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if ((totar = fdopen(pipefds[1], "w")) == NULL) {
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cleanup(0);
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errx(2, "%s: fdopen failed", __func__);
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}
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fprintf(totar, "%s\n", CONTENTS_FNAME);
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fprintf(totar, "%s\n", COMMENT_FNAME);
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fprintf(totar, "%s\n", DESC_FNAME);
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if (Install)
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fprintf(totar, "%s\n", INSTALL_FNAME);
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if (PostInstall)
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fprintf(totar, "%s\n", POST_INSTALL_FNAME);
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if (DeInstall)
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fprintf(totar, "%s\n", DEINSTALL_FNAME);
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if (PostDeInstall)
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fprintf(totar, "%s\n", POST_DEINSTALL_FNAME);
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if (Require)
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fprintf(totar, "%s\n", REQUIRE_FNAME);
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if (Display)
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fprintf(totar, "%s\n", DISPLAY_FNAME);
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if (Mtree)
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fprintf(totar, "%s\n", MTREE_FNAME);
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for (p = plist->head; p; p = p->next) {
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if (p->type == PLIST_FILE)
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fprintf(totar, "%s\n", p->name);
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else if (p->type == PLIST_CWD && BaseDir && p->name && p->name[0] == '/')
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fprintf(totar, "-C\n%s%s\n", BaseDir, p->name);
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else if (p->type == PLIST_CWD || p->type == PLIST_SRC)
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fprintf(totar, "-C\n%s\n", p->name);
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else if (p->type == PLIST_IGNORE)
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p = p->next;
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}
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fclose(totar);
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wait(&ret);
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/* assume either signal or bad exit is enough for us */
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if (ret) {
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cleanup(0);
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errx(2, "%s: tar command failed with code %d", __func__, ret);
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}
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}
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static void
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sanity_check()
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{
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if (!Comment) {
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cleanup(0);
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errx(2, "%s: required package comment string is missing (-c comment)",
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__func__);
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}
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if (!Desc) {
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cleanup(0);
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errx(2, "%s: required package description string is missing (-d desc)",
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__func__);
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}
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if (!Contents) {
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cleanup(0);
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errx(2, "%s: required package contents list is missing (-f [-]file)",
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__func__);
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}
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}
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/* Clean up those things that would otherwise hang around */
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void
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cleanup(int sig)
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{
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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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static int
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create_from_installed_recursive(const char *pkg, const char *suf)
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{
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FILE *fp;
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Package plist;
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PackingList p;
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char tmp[PATH_MAX];
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int rval;
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if (!create_from_installed(InstalledPkg, pkg, suf))
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return FALSE;
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snprintf(tmp, sizeof(tmp), "%s/%s/%s", LOG_DIR, InstalledPkg, CONTENTS_FNAME);
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if (!fexists(tmp)) {
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warnx("can't find package '%s' installed!", InstalledPkg);
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return FALSE;
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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(tmp, "r");
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if (!fp) {
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warnx("unable to open %s file", tmp);
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return FALSE;
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}
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read_plist(&plist, fp);
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fclose(fp);
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rval = TRUE;
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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("Creating package %s\n", p->name);
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if (!create_from_installed(p->name, p->name, suf)) {
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rval = FALSE;
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break;
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}
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}
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free_plist(&plist);
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return rval;
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}
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static int
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create_from_installed(const char *ipkg, const char *pkg, const char *suf)
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{
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FILE *fp;
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Package plist;
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char homedir[MAXPATHLEN], log_dir[FILENAME_MAX];
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snprintf(log_dir, sizeof(log_dir), "%s/%s", LOG_DIR, ipkg);
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if (!fexists(log_dir)) {
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warnx("can't find package '%s' installed!", ipkg);
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return FALSE;
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}
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getcwd(homedir, sizeof(homedir));
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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 FALSE;
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}
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/* 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);
|
|
return FALSE;
|
|
}
|
|
read_plist(&plist, fp);
|
|
fclose(fp);
|
|
|
|
Install = isfile(INSTALL_FNAME) ? (char *)INSTALL_FNAME : NULL;
|
|
PostInstall = isfile(POST_INSTALL_FNAME) ?
|
|
(char *)POST_INSTALL_FNAME : NULL;
|
|
DeInstall = isfile(DEINSTALL_FNAME) ? (char *)DEINSTALL_FNAME : NULL;
|
|
PostDeInstall = isfile(POST_DEINSTALL_FNAME) ?
|
|
(char *)POST_DEINSTALL_FNAME : NULL;
|
|
Require = isfile(REQUIRE_FNAME) ? (char *)REQUIRE_FNAME : NULL;
|
|
Display = isfile(DISPLAY_FNAME) ? (char *)DISPLAY_FNAME : NULL;
|
|
Mtree = isfile(MTREE_FNAME) ? (char *)MTREE_FNAME : NULL;
|
|
|
|
make_dist(homedir, pkg, suf, &plist);
|
|
|
|
free_plist(&plist);
|
|
if (chdir(homedir) == FAIL) {
|
|
warnx("can't change directory to '%s'!", homedir);
|
|
return FALSE;
|
|
}
|
|
return TRUE;
|
|
}
|