NetBSD/usr.sbin/pkg_install/add/perform.c

476 lines
13 KiB
C

/* $NetBSD: perform.c,v 1.2 1997/06/05 12:59:27 agc Exp $ */
#ifndef lint
#if 0
static const char *rcsid = "from FreeBSD Id: perform.c,v 1.41 1997/02/22 16:09:20 peter Exp";
#else
static const char *rcsid = "$NetBSD: perform.c,v 1.2 1997/06/05 12:59:27 agc Exp $";
#endif
#endif
/*
* 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 "lib.h"
#include "add.h"
#include <signal.h>
#include <sys/wait.h>
static int pkg_do(char *);
static int sanity_check(char *);
static char LogDir[FILENAME_MAX];
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, *tmp, *extract;
FILE *cfile;
int code;
PackingList p;
struct stat sb;
int inPlace;
code = 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) {
whinge("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.tgz specification? */
if (isURL(pkg)) {
if (!(Home = fileGetURL(NULL, pkg))) {
whinge("Unable to fetch `%s' by URL.", pkg);
return 1;
}
where_to = Home;
strcpy(pkg_fullname, pkg);
cfile = fopen(CONTENTS_FNAME, "r");
if (!cfile) {
whinge("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) {
whinge("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)
whinge("Unable to make playpen for %d bytes.\n", sb.st_size * 4);
where_to = Home;
if (unpack(pkg_fullname, extract)) {
whinge("Unable to extract table of contents file from `%s' - not a package?.", pkg_fullname);
goto bomb;
}
cfile = fopen(CONTENTS_FNAME, "r");
if (!cfile) {
whinge("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("mkdir -p %s", p->name);
if (chdir(p->name) == -1) {
whinge("Unable to change directory to `%s' - no permission?", p->name);
perror("chdir");
goto bomb;
}
}
where_to = p->name;
inPlace = 1;
}
else {
whinge("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 (!inPlace && min_free(playpen) < sb.st_size * 4) {
whinge("Projected size of %d exceeds available free space.\n"
"Please set your PKG_TMPDIR variable to point to a location with more\n"
"free space and try again.", sb.st_size * 4);
whinge("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 (unpack(pkg_fullname, NULL)) {
whinge("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 fields */
PkgName = (p = find_plist(&Plist, PLIST_NAME)) ? p->name : "anonymous";
/* See if we're already registered */
sprintf(LogDir, "%s/%s", (tmp = getenv(PKG_DBDIR)) ? tmp : DEF_LOG_DIR, PkgName);
if (isdir(LogDir) && !Force) {
whinge("Package `%s' already recorded as installed.\n", PkgName);
code = 1;
goto success; /* close enough for government work */
}
/* Now check the packing list for dependencies */
for (p = Plist.head; p ; p = p->next) {
if (p->type != PLIST_PKGDEP)
continue;
if (Verbose)
printf("Package `%s' depends on `%s'.\n", PkgName, p->name);
if (vsystem("pkg_info -e %s", p->name)) {
char path[FILENAME_MAX], *cp = NULL;
if (!Fake) {
if (!isURL(pkg) && !getenv("PKG_ADD_BASE")) {
snprintf(path, FILENAME_MAX, "%s/%s.tgz", Home, p->name);
if (fexists(path))
cp = path;
else
cp = fileFindByPath(pkg, p->name);
if (cp) {
if (Verbose)
printf("Loading it from %s.\n", cp);
if (vsystem("pkg_add %s", cp)) {
whinge("Autoload of dependency `%s' failed%s", cp, 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")) {
whinge("Autoloaded package %s has no +CONTENTS file?", p->name);
if (!Force)
++code;
}
else if (vsystem("(pwd; cat +CONTENTS) | pkg_add %s-S", Verbose ? "-v " : "")) {
whinge("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(cp);
}
}
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("chmod +x %s", REQUIRE_FNAME); /* be sure */
if (Verbose)
printf("Running requirements file first for %s..\n", PkgName);
if (!Fake && vsystem("./%s %s INSTALL", REQUIRE_FNAME, PkgName)) {
whinge("Package %s fails requirements %s", pkg_fullname,
Force ? "installing anyway" : "- not installed.");
if (!Force) {
code = 1;
goto success; /* close enough for government work */
}
}
}
/* If we're really installing, and have an installation file, run it */
if (!NoInstall && fexists(INSTALL_FNAME)) {
vsystem("chmod +x %s", INSTALL_FNAME); /* make sure */
if (Verbose)
printf("Running install with PRE-INSTALL for %s..\n", PkgName);
if (!Fake && vsystem("./%s %s PRE-INSTALL", INSTALL_FNAME, PkgName)) {
whinge("Install script returned error status.");
unlink(INSTALL_FNAME);
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", PkgName);
p = find_plist(&Plist, PLIST_CWD);
if (Verbose)
printf("mtree -U -f %s -d -e -p %s\n", MTREE_FNAME, p ? p->name : "/");
if (!Fake) {
if (vsystem("/usr/sbin/mtree -U -f %s -d -e -p %s", MTREE_FNAME, p ? p->name : "/"))
whinge("mtree returned a non-zero status - continuing.");
}
unlink(MTREE_FNAME);
}
/* Run the installation script one last time? */
if (!NoInstall && fexists(INSTALL_FNAME)) {
if (Verbose)
printf("Running install with POST-INSTALL for %s..\n", PkgName);
if (!Fake && vsystem("./%s %s POST-INSTALL", INSTALL_FNAME, PkgName)) {
whinge("Install script returned error status.");
unlink(INSTALL_FNAME);
code = 1;
goto fail;
}
unlink(INSTALL_FNAME);
}
/* Time to record the deed? */
if (!NoRecord && !Fake) {
char contents[FILENAME_MAX];
FILE *cfile;
umask(022);
if (getuid() != 0)
whinge("Not running as root - trying to record install anyway.");
if (!PkgName) {
whinge("No package name! Can't record package, sorry.");
code = 1;
goto success; /* well, partial anyway */
}
sprintf(LogDir, "%s/%s", (tmp = getenv(PKG_DBDIR)) ? tmp : DEF_LOG_DIR, PkgName);
if (Verbose)
printf("Attempting to record package into %s..\n", LogDir);
if (make_hierarchy(LogDir)) {
whinge("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("chmod a+rx %s", LogDir);
if (fexists(DEINSTALL_FNAME))
move_file(".", DEINSTALL_FNAME, LogDir);
if (fexists(REQUIRE_FNAME))
move_file(".", REQUIRE_FNAME, LogDir);
sprintf(contents, "%s/%s", LogDir, CONTENTS_FNAME);
cfile = fopen(contents, "w");
if (!cfile) {
whinge("Can't open new contents file '%s'! Can't register pkg.", contents);
goto success; /* can't log, but still keep pkg */
}
write_plist(&Plist, cfile);
fclose(cfile);
move_file(".", DESC_FNAME, LogDir);
move_file(".", COMMENT_FNAME, LogDir);
if (fexists(DISPLAY_FNAME))
move_file(".", DISPLAY_FNAME, LogDir);
for (p = Plist.head; p ; p = p->next) {
if (p->type != PLIST_PKGDEP)
continue;
if (Verbose)
printf("Attempting to record dependency on package `%s'\n", p->name);
sprintf(contents, "%s/%s/%s", (tmp = getenv(PKG_DBDIR)) ? tmp : DEF_LOG_DIR,
basename_of(p->name), REQUIRED_BY_FNAME);
cfile = fopen(contents, "a");
if (!cfile)
whinge("Warning: Can't open dependency file '%s'!\n"
"\tDependency registration is incomplete.", contents);
else {
fprintf(cfile, "%s\n", PkgName);
if (fclose(cfile) == EOF)
whinge("Cannot properly close file %s", contents);
}
}
if (Verbose)
printf("Package %s registered in %s\n", PkgName, 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
whinge("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(Home);
return code;
}
static int
sanity_check(char *pkg)
{
int code = 0;
if (!fexists(CONTENTS_FNAME)) {
whinge("Package %s has no CONTENTS file!", pkg);
code = 1;
}
else if (!fexists(COMMENT_FNAME)) {
whinge("Package %s has no COMMENT file!", pkg);
code = 1;
}
else if (!fexists(DESC_FNAME)) {
whinge("Package %s has no DESC file!", pkg);
code = 1;
}
return code;
}
void
cleanup(int signo)
{
if (signo)
printf("Signal %d received, cleaning up..\n", signo);
if (Plist.head) {
if (!Fake)
delete_package(FALSE, FALSE, &Plist);
free_plist(&Plist);
}
if (!Fake && LogDir[0])
vsystem("%s -rf %s", REMOVE_CMD, LogDir);
leave_playpen(Home);
}