| Current Path : /usr/src/usr.sbin/pkg_install/create/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //usr/src/usr.sbin/pkg_install/create/perform.c |
/*
* FreeBSD install - a package for the installation and maintainance
* of non-core utilities.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* Jordan K. Hubbard
* 18 July 1993
*
* This is the main body of the create module.
*
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: release/9.1.0/usr.sbin/pkg_install/create/perform.c 233685 2012-03-29 23:57:54Z eadler $");
#include "lib.h"
#include "create.h"
#include <err.h>
#include <libgen.h>
#include <signal.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/syslimits.h>
#include <sys/wait.h>
#include <unistd.h>
static void sanity_check(void);
static void make_dist(const char *, const char *, const char *, Package *);
static int create_from_installed_recursive(const char *, const char *);
static int create_from_installed(const char *, const char *, const char *);
int
pkg_perform(char **pkgs)
{
static const char *home;
char *pkg = *pkgs; /* Only one arg to create */
char *cp;
FILE *pkg_in, *fp;
Package plist;
int len;
const char *suf;
/* Preliminary setup */
if (InstalledPkg == NULL)
sanity_check();
if (Verbose && !PlistOnly)
printf("Creating package %s\n", pkg);
/* chop suffix off if already specified, remembering if we want to compress */
len = strlen(pkg);
if (len > 4) {
if (!strcmp(&pkg[len - 4], ".tbz")) {
Zipper = BZIP2;
pkg[len - 4] = '\0';
}
else if (!strcmp(&pkg[len - 4], ".tgz")) {
Zipper = GZIP;
pkg[len - 4] = '\0';
}
else if (!strcmp(&pkg[len - 4], ".txz")) {
Zipper = XZ;
pkg[len - 4] = '\0';
}
else if (!strcmp(&pkg[len - 4], ".tar")) {
Zipper = NONE;
pkg[len - 4] = '\0';
}
}
if (Zipper == BZIP2) {
suf = "tbz";
setenv("BZIP2", "--best", 0);
} else if (Zipper == GZIP) {
suf = "tgz";
setenv("GZIP", "-9", 0);
} else if (Zipper == XZ) {
suf = "txz";
} else
suf = "tar";
if (InstalledPkg != NULL) {
char *pkgglob[] = { InstalledPkg, NULL };
char **matched, **pkgs;
int i, error;
pkgs = pkgglob;
if (MatchType != MATCH_EXACT) {
matched = matchinstalled(MatchType, pkgs, &error);
if (!error && matched != NULL)
pkgs = matched;
else if (MatchType != MATCH_GLOB)
errx(1, "no packages match pattern");
}
/*
* Is there is only one installed package matching the pattern,
* we need to respect the optional pkg-filename parameter. If,
* however, the pattern matches several packages, this parameter
* makes no sense and is ignored.
*/
if (pkgs[1] == NULL) {
if (pkg == InstalledPkg)
pkg = *pkgs;
InstalledPkg = *pkgs;
if (!Recursive)
return (create_from_installed(InstalledPkg, pkg, suf));
return (create_from_installed_recursive(pkg, suf));
}
for (i = 0; pkgs[i] != NULL; i++) {
InstalledPkg = pkg = pkgs[i];
if (!Recursive)
create_from_installed(pkg, pkg, suf);
else
create_from_installed_recursive(pkg, suf);
}
return TRUE;
}
get_dash_string(&Comment);
get_dash_string(&Desc);
if (!strcmp(Contents, "-"))
pkg_in = stdin;
else {
pkg_in = fopen(Contents, "r");
if (!pkg_in) {
cleanup(0);
errx(2, "%s: unable to open contents file '%s' for input",
__func__, Contents);
}
}
plist.head = plist.tail = NULL;
/* Stick the dependencies, if any, at the top */
if (Pkgdeps) {
char **deps, *deporigin;
int i;
int ndeps = 0;
if (Verbose && !PlistOnly)
printf("Registering depends:");
/* Count number of dependencies */
for (cp = Pkgdeps; cp != NULL && *cp != '\0';
cp = strpbrk(++cp, " \t\n")) {
ndeps++;
}
if (ndeps != 0) {
/* Create easy to use NULL-terminated list */
deps = alloca(sizeof(*deps) * ndeps + 1);
if (deps == NULL) {
errx(2, "%s: alloca() failed", __func__);
/* Not reached */
}
for (i = 0; Pkgdeps;) {
cp = strsep(&Pkgdeps, " \t\n");
if (*cp) {
deps[i] = cp;
i++;
}
}
ndeps = i;
deps[ndeps] = NULL;
sortdeps(deps);
for (i = 0; i < ndeps; i++) {
deporigin = strchr(deps[i], ':');
if (deporigin != NULL) {
*deporigin = '\0';
add_plist_top(&plist, PLIST_DEPORIGIN, ++deporigin);
}
add_plist_top(&plist, PLIST_PKGDEP, deps[i]);
if (Verbose && !PlistOnly)
printf(" %s", deps[i]);
}
}
if (Verbose && !PlistOnly)
printf(".\n");
}
/* Put the conflicts directly after the dependencies, if any */
if (Conflicts) {
if (Verbose && !PlistOnly)
printf("Registering conflicts:");
while (Conflicts) {
cp = strsep(&Conflicts, " \t\n");
if (*cp) {
add_plist(&plist, PLIST_CONFLICTS, cp);
if (Verbose && !PlistOnly)
printf(" %s", cp);
}
}
if (Verbose && !PlistOnly)
printf(".\n");
}
/* If a SrcDir override is set, add it now */
if (SrcDir) {
if (Verbose && !PlistOnly)
printf("Using SrcDir value of %s\n", SrcDir);
add_plist(&plist, PLIST_SRC, SrcDir);
}
/* Slurp in the packing list */
read_plist(&plist, pkg_in);
/* Prefix should add an @cwd to the packing list */
if (Prefix) {
char resolved_prefix[PATH_MAX];
if (realpath(Prefix, resolved_prefix) == NULL)
err(EXIT_FAILURE, "couldn't resolve path for prefix: %s", Prefix);
add_plist_top(&plist, PLIST_CWD, resolved_prefix);
}
/* Add the origin if asked, at the top */
if (Origin)
add_plist_top(&plist, PLIST_ORIGIN, Origin);
/*
* Run down the list and see if we've named it, if not stick in a name
* at the top.
*/
if (find_plist(&plist, PLIST_NAME) == NULL)
add_plist_top(&plist, PLIST_NAME, basename(pkg));
if (asprintf(&cp, "PKG_FORMAT_REVISION:%d.%d", PLIST_FMT_VER_MAJOR,
PLIST_FMT_VER_MINOR) == -1) {
errx(2, "%s: asprintf() failed", __func__);
}
add_plist_top(&plist, PLIST_COMMENT, cp);
free(cp);
/*
* We're just here for to dump out a revised plist for the FreeBSD ports
* hack. It's not a real create in progress.
*/
if (PlistOnly) {
check_list(home, &plist);
write_plist(&plist, stdout);
exit(0);
}
/* Make a directory to stomp around in */
home = make_playpen(PlayPen, 0);
signal(SIGINT, cleanup);
signal(SIGHUP, cleanup);
/* Make first "real contents" pass over it */
check_list(home, &plist);
(void) umask(022); /*
* Make sure gen'ed directories, files don't have
* group or other write bits.
*/
/* copy_plist(home, &plist); */
/* mark_plist(&plist); */
/* Now put the release specific items in */
if (!Prefix) {
add_plist(&plist, PLIST_CWD, ".");
}
write_file(COMMENT_FNAME, Comment);
add_plist(&plist, PLIST_IGNORE, NULL);
add_plist(&plist, PLIST_FILE, COMMENT_FNAME);
add_cksum(&plist, plist.tail, COMMENT_FNAME);
write_file(DESC_FNAME, Desc);
add_plist(&plist, PLIST_IGNORE, NULL);
add_plist(&plist, PLIST_FILE, DESC_FNAME);
add_cksum(&plist, plist.tail, DESC_FNAME);
if (Install) {
copy_file(home, Install, INSTALL_FNAME);
add_plist(&plist, PLIST_IGNORE, NULL);
add_plist(&plist, PLIST_FILE, INSTALL_FNAME);
add_cksum(&plist, plist.tail, INSTALL_FNAME);
}
if (PostInstall) {
copy_file(home, PostInstall, POST_INSTALL_FNAME);
add_plist(&plist, PLIST_IGNORE, NULL);
add_plist(&plist, PLIST_FILE, POST_INSTALL_FNAME);
add_cksum(&plist, plist.tail, POST_INSTALL_FNAME);
}
if (DeInstall) {
copy_file(home, DeInstall, DEINSTALL_FNAME);
add_plist(&plist, PLIST_IGNORE, NULL);
add_plist(&plist, PLIST_FILE, DEINSTALL_FNAME);
add_cksum(&plist, plist.tail, DEINSTALL_FNAME);
}
if (PostDeInstall) {
copy_file(home, PostDeInstall, POST_DEINSTALL_FNAME);
add_plist(&plist, PLIST_IGNORE, NULL);
add_plist(&plist, PLIST_FILE, POST_DEINSTALL_FNAME);
add_cksum(&plist, plist.tail, POST_DEINSTALL_FNAME);
}
if (Require) {
copy_file(home, Require, REQUIRE_FNAME);
add_plist(&plist, PLIST_IGNORE, NULL);
add_plist(&plist, PLIST_FILE, REQUIRE_FNAME);
add_cksum(&plist, plist.tail, REQUIRE_FNAME);
}
if (Display) {
copy_file(home, Display, DISPLAY_FNAME);
add_plist(&plist, PLIST_IGNORE, NULL);
add_plist(&plist, PLIST_FILE, DISPLAY_FNAME);
add_cksum(&plist, plist.tail, DISPLAY_FNAME);
add_plist(&plist, PLIST_DISPLAY, DISPLAY_FNAME);
}
if (Mtree) {
copy_file(home, Mtree, MTREE_FNAME);
add_plist(&plist, PLIST_IGNORE, NULL);
add_plist(&plist, PLIST_FILE, MTREE_FNAME);
add_cksum(&plist, plist.tail, MTREE_FNAME);
add_plist(&plist, PLIST_MTREE, MTREE_FNAME);
}
/* Finally, write out the packing list */
fp = fopen(CONTENTS_FNAME, "w");
if (!fp) {
cleanup(0);
errx(2, "%s: can't open file %s for writing",
__func__, CONTENTS_FNAME);
}
write_plist(&plist, fp);
if (fclose(fp)) {
cleanup(0);
errx(2, "%s: error while closing %s",
__func__, CONTENTS_FNAME);
}
/* And stick it into a tar ball */
make_dist(home, pkg, suf, &plist);
/* Cleanup */
free(Comment);
free(Desc);
free_plist(&plist);
leave_playpen();
return TRUE; /* Success */
}
static void
make_dist(const char *homedir, const char *pkg, const char *suff, Package *plist)
{
struct stat sb;
char tball[FILENAME_MAX];
PackingList p;
int ret;
const char *args[50]; /* Much more than enough. */
int nargs = 0;
int pipefds[2];
FILE *totar;
pid_t pid;
const char *cname;
char *prefix = NULL;
args[nargs++] = "tar"; /* argv[0] */
if (*pkg == '/')
snprintf(tball, FILENAME_MAX, "%s.%s", pkg, suff);
else
snprintf(tball, FILENAME_MAX, "%s/%s.%s", homedir, pkg, suff);
/*
* If the package tarball exists already, and we are running in `no
* clobber' mode, skip this package.
*/
if (stat(tball, &sb) == 0 && Regenerate == FALSE) {
if (Verbose)
printf("Skipping package '%s'. It already exists.\n", tball);
return;
}
args[nargs++] = "-c";
args[nargs++] = "-f";
args[nargs++] = tball;
if (strchr(suff, 'z')) { /* Compress/gzip/bzip2? */
if (Zipper == BZIP2) {
args[nargs++] = "-j";
cname = "bzip'd ";
}
else if (Zipper == XZ) {
args[nargs++] = "-J";
cname = "xz'd ";
}
else {
args[nargs++] = "-z";
cname = "gzip'd ";
}
} else {
cname = "";
}
if (Dereference)
args[nargs++] = "-h";
if (ExcludeFrom) {
args[nargs++] = "-X";
args[nargs++] = ExcludeFrom;
}
args[nargs++] = "-T"; /* Take filenames from file instead of args. */
args[nargs++] = "-"; /* Use stdin for the file. */
args[nargs] = NULL;
if (Verbose)
printf("Creating %star ball in '%s'\n", cname, tball);
/* Set up a pipe for passing the filenames, and fork off a tar process. */
if (pipe(pipefds) == -1) {
cleanup(0);
errx(2, "%s: cannot create pipe", __func__);
}
if ((pid = fork()) == -1) {
cleanup(0);
errx(2, "%s: cannot fork process for tar", __func__);
}
if (pid == 0) { /* The child */
dup2(pipefds[0], 0);
close(pipefds[0]);
close(pipefds[1]);
execv("/usr/bin/tar", (char * const *)(uintptr_t)args);
cleanup(0);
errx(2, "%s: failed to execute tar command", __func__);
}
/* Meanwhile, back in the parent process ... */
close(pipefds[0]);
if ((totar = fdopen(pipefds[1], "w")) == NULL) {
cleanup(0);
errx(2, "%s: fdopen failed", __func__);
}
fprintf(totar, "%s\n", CONTENTS_FNAME);
fprintf(totar, "%s\n", COMMENT_FNAME);
fprintf(totar, "%s\n", DESC_FNAME);
if (Install)
fprintf(totar, "%s\n", INSTALL_FNAME);
if (PostInstall)
fprintf(totar, "%s\n", POST_INSTALL_FNAME);
if (DeInstall)
fprintf(totar, "%s\n", DEINSTALL_FNAME);
if (PostDeInstall)
fprintf(totar, "%s\n", POST_DEINSTALL_FNAME);
if (Require)
fprintf(totar, "%s\n", REQUIRE_FNAME);
if (Display)
fprintf(totar, "%s\n", DISPLAY_FNAME);
if (Mtree)
fprintf(totar, "%s\n", MTREE_FNAME);
for (p = plist->head; p; p = p->next) {
if (p->type == PLIST_FILE)
fprintf(totar, "%s\n", p->name);
else if (p->type == PLIST_CWD && p->name == NULL)
fprintf(totar, "-C\n%s\n", prefix);
else if (p->type == PLIST_CWD && BaseDir && p->name && p->name[0] == '/')
fprintf(totar, "-C\n%s%s\n", BaseDir, p->name);
else if (p->type == PLIST_CWD || p->type == PLIST_SRC)
fprintf(totar, "-C\n%s\n", p->name);
else if (p->type == PLIST_IGNORE)
p = p->next;
if (p->type == PLIST_CWD && !prefix)
prefix = p->name;
}
fclose(totar);
wait(&ret);
/* assume either signal or bad exit is enough for us */
if (ret) {
cleanup(0);
errx(2, "%s: tar command failed with code %d", __func__, ret);
}
}
static void
sanity_check()
{
if (!Comment) {
cleanup(0);
errx(2, "%s: required package comment string is missing (-c comment)",
__func__);
}
if (!Desc) {
cleanup(0);
errx(2, "%s: required package description string is missing (-d desc)",
__func__);
}
if (!Contents) {
cleanup(0);
errx(2, "%s: required package contents list is missing (-f [-]file)",
__func__);
}
}
/* Clean up those things that would otherwise hang around */
void
cleanup(int sig)
{
int in_cleanup = 0;
if (!in_cleanup) {
in_cleanup = 1;
leave_playpen();
}
if (sig)
exit(1);
}
static int
create_from_installed_recursive(const char *pkg, const char *suf)
{
FILE *fp;
Package plist;
PackingList p;
char tmp[PATH_MAX];
int rval;
if (!create_from_installed(InstalledPkg, pkg, suf))
return FALSE;
snprintf(tmp, sizeof(tmp), "%s/%s/%s", LOG_DIR, InstalledPkg, CONTENTS_FNAME);
if (!fexists(tmp)) {
warnx("can't find package '%s' installed!", InstalledPkg);
return FALSE;
}
/* Suck in the contents list */
plist.head = plist.tail = NULL;
fp = fopen(tmp, "r");
if (!fp) {
warnx("unable to open %s file", tmp);
return FALSE;
}
read_plist(&plist, fp);
fclose(fp);
rval = TRUE;
for (p = plist.head; p ; p = p->next) {
if (p->type != PLIST_PKGDEP)
continue;
if (Verbose)
printf("Creating package %s\n", p->name);
if (!create_from_installed(p->name, p->name, suf)) {
rval = FALSE;
break;
}
}
free_plist(&plist);
return rval;
}
static int
create_from_installed(const char *ipkg, const char *pkg, const char *suf)
{
FILE *fp;
Package plist;
char homedir[MAXPATHLEN], log_dir[FILENAME_MAX];
snprintf(log_dir, sizeof(log_dir), "%s/%s", LOG_DIR, ipkg);
if (!fexists(log_dir)) {
warnx("can't find package '%s' installed!", ipkg);
return FALSE;
}
getcwd(homedir, sizeof(homedir));
if (chdir(log_dir) == FAIL) {
warnx("can't change directory to '%s'!", log_dir);
return FALSE;
}
/* 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;
}