FreeBSD-5.3/usr.sbin/pkg_install/add/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 add module.
*
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: src/usr.sbin/pkg_install/add/perform.c,v 1.77 2004/07/28 16:03:13 stefanf Exp $");
#include <err.h>
#include <paths.h>
#include "lib.h"
#include "add.h"
#include <libgen.h>
#include <signal.h>
#include <sys/wait.h>
static int pkg_do(char *);
static int sanity_check(char *);
static char LogDir[FILENAME_MAX];
static int zapLogDir; /* Should we delete LogDir? */
int
pkg_perform(char **pkgs)
{
int i, err_cnt = 0;
signal(SIGINT, cleanup);
signal(SIGHUP, cleanup);
if (AddMode == SLAVE)
err_cnt = pkg_do(NULL);
else {
for (i = 0; pkgs[i]; i++)
err_cnt += pkg_do(pkgs[i]);
}
return err_cnt;
}
static Package Plist;
static char *Home;
/*
* This is seriously ugly code following. Written very fast!
* [And subsequently made even worse.. Sigh! This code was just born
* to be hacked, I guess.. :) -jkh]
*/
static int
pkg_do(char *pkg)
{
char pkg_fullname[FILENAME_MAX];
char playpen[FILENAME_MAX];
char extract_contents[FILENAME_MAX];
char *where_to, *extract;
FILE *cfile;
int code;
PackingList p;
struct stat sb;
int inPlace, conflictsfound, errcode;
/* support for separate pre/post install scripts */
int new_m = 0;
char pre_script[FILENAME_MAX] = INSTALL_FNAME;
char post_script[FILENAME_MAX];
char pre_arg[FILENAME_MAX], post_arg[FILENAME_MAX];
char *conflict[2];
char **matched;
conflictsfound = 0;
code = 0;
zapLogDir = 0;
LogDir[0] = '\0';
strcpy(playpen, FirstPen);
inPlace = 0;
/* Are we coming in for a second pass, everything already extracted? */
if (!pkg) {
fgets(playpen, FILENAME_MAX, stdin);
playpen[strlen(playpen) - 1] = '\0'; /* pesky newline! */
if (chdir(playpen) == FAIL) {
warnx("pkg_add in SLAVE mode can't chdir to %s", playpen);
return 1;
}
read_plist(&Plist, stdin);
where_to = playpen;
}
/* Nope - do it now */
else {
/* Is it an ftp://foo.bar.baz/file.t[bg]z specification? */
if (isURL(pkg)) {
if (!(Home = fileGetURL(NULL, pkg))) {
warnx("unable to fetch '%s' by URL", pkg);
return 1;
}
where_to = Home;
strcpy(pkg_fullname, pkg);
cfile = fopen(CONTENTS_FNAME, "r");
if (!cfile) {
warnx(
"unable to open table of contents file '%s' - not a package?",
CONTENTS_FNAME);
goto bomb;
}
read_plist(&Plist, cfile);
fclose(cfile);
}
else {
strcpy(pkg_fullname, pkg); /*
* Copy for sanity's sake,
* could remove pkg_fullname
*/
if (strcmp(pkg, "-")) {
if (stat(pkg_fullname, &sb) == FAIL) {
warnx("can't stat package file '%s'", pkg_fullname);
goto bomb;
}
sprintf(extract_contents, "--fast-read %s", CONTENTS_FNAME);
extract = extract_contents;
}
else {
extract = NULL;
sb.st_size = 100000; /* Make up a plausible average size */
}
Home = make_playpen(playpen, sb.st_size * 4);
if (!Home)
errx(1, "unable to make playpen for %lld bytes", (long long)sb.st_size * 4);
where_to = Home;
/* Since we can call ourselves recursively, keep notes on where we came from */
if (!getenv("_TOP"))
setenv("_TOP", Home, 1);
if (unpack(pkg_fullname, extract)) {
warnx(
"unable to extract table of contents file from '%s' - not a package?",
pkg_fullname);
goto bomb;
}
cfile = fopen(CONTENTS_FNAME, "r");
if (!cfile) {
warnx(
"unable to open table of contents file '%s' - not a package?",
CONTENTS_FNAME);
goto bomb;
}
read_plist(&Plist, cfile);
fclose(cfile);
/* Extract directly rather than moving? Oh goodie! */
if (find_plist_option(&Plist, "extract-in-place")) {
if (Verbose)
printf("Doing in-place extraction for %s\n", pkg_fullname);
p = find_plist(&Plist, PLIST_CWD);
if (p) {
if (!isdir(p->name) && !Fake) {
if (Verbose)
printf("Desired prefix of %s does not exist, creating..\n", p->name);
vsystem("/bin/mkdir -p %s", p->name);
if (chdir(p->name) == -1) {
warn("unable to change directory to '%s'", p->name);
goto bomb;
}
}
where_to = p->name;
inPlace = 1;
}
else {
warnx(
"no prefix specified in '%s' - this is a bad package!",
pkg_fullname);
goto bomb;
}
}
/*
* Apply a crude heuristic to see how much space the package will
* take up once it's unpacked. I've noticed that most packages
* compress an average of 75%, so multiply by 4 for good measure.
*/
if (!extract && !inPlace && min_free(playpen) < sb.st_size * 4) {
warnx("projected size of %lld exceeds available free space.\n"
"Please set your PKG_TMPDIR variable to point to a location with more\n"
"free space and try again", (long long)sb.st_size * 4);
warnx("not extracting %s\ninto %s, sorry!",
pkg_fullname, where_to);
goto bomb;
}
/* If this is a direct extract and we didn't want it, stop now */
if (inPlace && Fake)
goto success;
/* Finally unpack the whole mess. If extract is null we
already + did so so don't bother doing it again. */
if (extract && unpack(pkg_fullname, NULL)) {
warnx("unable to extract '%s'!", pkg_fullname);
goto bomb;
}
}
/* Check for sanity and dependencies */
if (sanity_check(pkg))
goto bomb;
/* If we're running in MASTER mode, just output the plist and return */
if (AddMode == MASTER) {
printf("%s\n", where_playpen());
write_plist(&Plist, stdout);
return 0;
}
}
/*
* If we have a prefix, delete the first one we see and add this
* one in place of it.
*/
if (Prefix) {
delete_plist(&Plist, FALSE, PLIST_CWD, NULL);
add_plist_top(&Plist, PLIST_CWD, Prefix);
}
setenv(PKG_PREFIX_VNAME, (p = find_plist(&Plist, PLIST_CWD)) ? p->name : ".", 1);
/* Protect against old packages with bogus @name and origin fields */
if (Plist.name == NULL)
Plist.name = "anonymous";
if (Plist.origin == NULL)
Plist.origin = "anonymous/anonymous";
/*
* See if we're already registered either with the same name (the same
* version) or some other version with the same origin.
*/
if ((isinstalledpkg(Plist.name) > 0 ||
matchbyorigin(Plist.origin, NULL) != NULL) && !Force) {
warnx("package '%s' or its older version already installed",
Plist.name);
code = 1;
goto success; /* close enough for government work */
}
/* Now check the packing list for conflicts */
for (p = Plist.head; p != NULL; p = p->next) {
if (p->type == PLIST_CONFLICTS) {
int i;
conflict[0] = strdup(p->name);
conflict[1] = NULL;
matched = matchinstalled(MATCH_GLOB, conflict, &errcode);
free(conflict[0]);
if (errcode == 0 && matched != NULL)
for (i = 0; matched[i] != NULL; i++)
if (isinstalledpkg(matched[i]) > 0) {
warnx("package '%s' conflicts with %s", Plist.name,
matched[i]);
conflictsfound = 1;
}
continue;
}
}
if(conflictsfound) {
if(!Force) {
warnx("please use pkg_delete first to remove conflicting package(s) or -f to force installation");
code = 1;
goto bomb;
} else
warnx("-f specified; proceeding anyway");
}
/* Now check the packing list for dependencies */
for (p = Plist.head; p ; p = p->next) {
char *deporigin;
if (p->type != PLIST_PKGDEP)
continue;
deporigin = (p->next->type == PLIST_DEPORIGIN) ? p->next->name : NULL;
if (Verbose) {
printf("Package '%s' depends on '%s'", Plist.name, p->name);
if (deporigin != NULL)
printf(" with '%s' origin", deporigin);
printf(".\n");
}
if (isinstalledpkg(p->name) <= 0 &&
!(deporigin != NULL && matchbyorigin(deporigin, NULL) != NULL)) {
char path[FILENAME_MAX], *cp = NULL;
if (!Fake) {
if (!isURL(pkg) && !getenv("PKG_ADD_BASE")) {
const char *ext;
ext = strrchr(pkg_fullname, '.');
if (ext == NULL)
#if defined(__FreeBSD_version) && __FreeBSD_version >= 500039
ext = ".tbz";
#else
ext = ".tgz";
#endif
snprintf(path, FILENAME_MAX, "%s/%s%s", getenv("_TOP"), p->name, ext);
if (fexists(path))
cp = path;
else
cp = fileFindByPath(pkg, p->name);
if (cp) {
if (Verbose)
printf("Loading it from %s.\n", cp);
if (vsystem("%s %s'%s'", PkgAddCmd, Verbose ? "-v " : "", cp)) {
warnx("autoload of dependency '%s' failed%s",
cp, Force ? " (proceeding anyway)" : "!");
if (!Force)
++code;
}
}
else {
warnx("could not find package %s %s",
p->name, Force ? " (proceeding anyway)" : "!");
if (!Force)
++code;
}
}
else if ((cp = fileGetURL(pkg, p->name)) != NULL) {
if (Verbose)
printf("Finished loading %s over FTP.\n", p->name);
if (!fexists("+CONTENTS")) {
warnx("autoloaded package %s has no +CONTENTS file?",
p->name);
if (!Force)
++code;
}
else if (vsystem("(pwd; /bin/cat +CONTENTS) | %s %s-S", PkgAddCmd, Verbose ? "-v " : "")) {
warnx("pkg_add of dependency '%s' failed%s",
p->name, Force ? " (proceeding anyway)" : "!");
if (!Force)
++code;
}
else if (Verbose)
printf("\t'%s' loaded successfully.\n", p->name);
/* Nuke the temporary playpen */
leave_playpen();
}
}
else {
if (Verbose)
printf("and was not found%s.\n", Force ? " (proceeding anyway)" : "");
else
printf("Package dependency %s for %s not found%s\n", p->name, pkg,
Force ? " (proceeding anyway)" : "!");
if (!Force)
++code;
}
}
else if (Verbose)
printf(" - already installed.\n");
}
if (code != 0)
goto bomb;
/* Look for the requirements file */
if (fexists(REQUIRE_FNAME)) {
vsystem("/bin/chmod +x %s", REQUIRE_FNAME); /* be sure */
if (Verbose)
printf("Running requirements file first for %s..\n", Plist.name);
if (!Fake && vsystem("./%s %s INSTALL", REQUIRE_FNAME, Plist.name)) {
warnx("package %s fails requirements %s", pkg_fullname,
Force ? "installing anyway" : "- not installed");
if (!Force) {
code = 1;
goto success; /* close enough for government work */
}
}
}
/*
* Test whether to use the old method of passing tokens to installation
* scripts, and set appropriate variables..
*/
if (fexists(POST_INSTALL_FNAME)) {
new_m = 1;
sprintf(post_script, "%s", POST_INSTALL_FNAME);
pre_arg[0] = '\0';
post_arg[0] = '\0';
} else {
if (fexists(INSTALL_FNAME)) {
sprintf(post_script, "%s", INSTALL_FNAME);
sprintf(pre_arg, "PRE-INSTALL");
sprintf(post_arg, "POST-INSTALL");
}
}
/* If we're really installing, and have an installation file, run it */
if (!NoInstall && fexists(pre_script)) {
vsystem("/bin/chmod +x %s", pre_script); /* make sure */
if (Verbose)
printf("Running pre-install for %s..\n", Plist.name);
if (!Fake && vsystem("./%s %s %s", pre_script, Plist.name, pre_arg)) {
warnx("install script returned error status");
unlink(pre_script);
code = 1;
goto success; /* nothing to uninstall yet */
}
}
/* Now finally extract the entire show if we're not going direct */
if (!inPlace && !Fake)
extract_plist(".", &Plist);
if (!Fake && fexists(MTREE_FNAME)) {
if (Verbose)
printf("Running mtree for %s..\n", Plist.name);
p = find_plist(&Plist, PLIST_CWD);
if (Verbose)
printf("mtree -U -f %s -d -e -p %s >%s\n", MTREE_FNAME, p ? p->name : "/", _PATH_DEVNULL);
if (!Fake) {
if (vsystem("/usr/sbin/mtree -U -f %s -d -e -p %s >%s", MTREE_FNAME, p ? p->name : "/", _PATH_DEVNULL))
warnx("mtree returned a non-zero status - continuing");
}
}
/* Run the installation script one last time? */
if (!NoInstall && fexists(post_script)) {
vsystem("/bin/chmod +x %s", post_script); /* make sure */
if (Verbose)
printf("Running post-install for %s..\n", Plist.name);
if (!Fake && vsystem("./%s %s %s", post_script, Plist.name, post_arg)) {
warnx("install script returned error status");
unlink(post_script);
code = 1;
goto fail;
}
}
/* Time to record the deed? */
if (!NoRecord && !Fake) {
char contents[FILENAME_MAX];
FILE *contfile;
if (getuid() != 0)
warnx("not running as root - trying to record install anyway");
sprintf(LogDir, "%s/%s", LOG_DIR, Plist.name);
zapLogDir = 1;
if (Verbose)
printf("Attempting to record package into %s..\n", LogDir);
if (make_hierarchy(LogDir)) {
warnx("can't record package into '%s', you're on your own!",
LogDir);
bzero(LogDir, FILENAME_MAX);
code = 1;
goto success; /* close enough for government work */
}
/* Make sure pkg_info can read the entry */
vsystem("/bin/chmod a+rx %s", LogDir);
move_file(".", DESC_FNAME, LogDir);
move_file(".", COMMENT_FNAME, LogDir);
if (fexists(INSTALL_FNAME))
move_file(".", INSTALL_FNAME, LogDir);
if (fexists(POST_INSTALL_FNAME))
move_file(".", POST_INSTALL_FNAME, LogDir);
if (fexists(DEINSTALL_FNAME))
move_file(".", DEINSTALL_FNAME, LogDir);
if (fexists(POST_DEINSTALL_FNAME))
move_file(".", POST_DEINSTALL_FNAME, LogDir);
if (fexists(REQUIRE_FNAME))
move_file(".", REQUIRE_FNAME, LogDir);
if (fexists(DISPLAY_FNAME))
move_file(".", DISPLAY_FNAME, LogDir);
if (fexists(MTREE_FNAME))
move_file(".", MTREE_FNAME, LogDir);
sprintf(contents, "%s/%s", LogDir, CONTENTS_FNAME);
contfile = fopen(contents, "w");
if (!contfile) {
warnx("can't open new contents file '%s'! can't register pkg",
contents);
goto success; /* can't log, but still keep pkg */
}
write_plist(&Plist, contfile);
fclose(contfile);
for (p = Plist.head; p ; p = p->next) {
char *deporigin, **depnames;
int i;
if (p->type != PLIST_PKGDEP)
continue;
deporigin = (p->next->type == PLIST_DEPORIGIN) ? p->next->name :
NULL;
if (Verbose) {
printf("Trying to record dependency on package '%s'", p->name);
if (deporigin != NULL)
printf(" with '%s' origin", deporigin);
printf(".\n");
}
depnames = (deporigin != NULL) ? matchbyorigin(deporigin, NULL) :
NULL;
if (depnames == NULL) {
depnames = alloca(sizeof(*depnames) * 2);
depnames[0] = p->name;
depnames[1] = NULL;
}
for (i = 0; depnames[i] != NULL; i++) {
sprintf(contents, "%s/%s/%s", LOG_DIR, depnames[i],
REQUIRED_BY_FNAME);
if (strcmp(p->name, depnames[i]) != 0)
warnx("warning: package '%s' requires '%s', but '%s' "
"is installed", Plist.name, p->name, depnames[i]);
contfile = fopen(contents, "a");
if (!contfile)
warnx("can't open dependency file '%s'!\n"
"dependency registration is incomplete", contents);
else {
fprintf(contfile, "%s\n", Plist.name);
if (fclose(contfile) == EOF)
warnx("cannot properly close file %s", contents);
}
}
}
if (Verbose)
printf("Package %s registered in %s\n", Plist.name, LogDir);
}
if ((p = find_plist(&Plist, PLIST_DISPLAY)) != NULL) {
FILE *fp;
char buf[BUFSIZ];
snprintf(buf, sizeof buf, "%s/%s", LogDir, p->name);
fp = fopen(buf, "r");
if (fp) {
putc('\n', stdout);
while (fgets(buf, sizeof(buf), fp))
fputs(buf, stdout);
putc('\n', stdout);
(void) fclose(fp);
} else
warnx("cannot open %s as display file", buf);
}
goto success;
bomb:
code = 1;
goto success;
fail:
/* Nuke the whole (installed) show, XXX but don't clean directories */
if (!Fake)
delete_package(FALSE, FALSE, &Plist);
success:
/* delete the packing list contents */
free_plist(&Plist);
leave_playpen();
return code;
}
static int
sanity_check(char *pkg)
{
int code = 0;
if (!fexists(CONTENTS_FNAME)) {
warnx("package %s has no CONTENTS file!", pkg);
code = 1;
}
else if (!fexists(COMMENT_FNAME)) {
warnx("package %s has no COMMENT file!", pkg);
code = 1;
}
else if (!fexists(DESC_FNAME)) {
warnx("package %s has no DESC file!", pkg);
code = 1;
}
return code;
}
void
cleanup(int sig)
{
static int in_cleanup = 0;
if (!in_cleanup) {
in_cleanup = 1;
if (sig)
printf("Signal %d received, cleaning up..\n", sig);
if (!Fake && zapLogDir && LogDir[0])
vsystem("%s -rf %s", REMOVE_CMD, LogDir);
leave_playpen();
}
if (sig)
exit(1);
}