OpenSolaris_b135/cmd/svr4pkg/pkgremove/main.c
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
#include <stdio.h>
#include <limits.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <signal.h>
#include <errno.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <pkgstrct.h>
#include <pkginfo.h>
#include <pkglocs.h>
#include <locale.h>
#include <libintl.h>
#include <assert.h>
#include <cfext.h>
#include <instzones_api.h>
#include <pkglib.h>
#include <install.h>
#include <libinst.h>
#include <libadm.h>
#include <messages.h>
struct cfent **eptlist;
extern int eptnum;
extern char *pkgdir;
extern char **environ;
/* quit.c */
extern sighdlrFunc_t *quitGetTrapHandler(void);
extern void quitSetSilentExit(boolean_t a_silentExit);
extern void quitSetZoneName(char *a_zoneName);
/* check.c */
extern void rcksetPreremoveCheck(boolean_t);
extern void rcksetZoneName(char *);
extern int rckpriv(void);
extern int rckdepend(void);
extern int rckrunlevel(void);
/* predepend.c */
extern void predepend(char *oldpkg);
/* delmap.c */
extern int delmap(int flag, char *pkginst, PKGserver *server, VFP_T **tfp);
#define DEFPATH "/sbin:/usr/sbin:/usr/bin"
#ifdef ALLOW_EXCEPTION_PKG_LIST
#define SCRIPT 0 /* Tells exception_pkg() which pkg list to use */
#define LINK 1
#endif
#if !defined(TEXT_DOMAIN) /* Should be defined by cc -D */
#define TEXT_DOMAIN "SYS_TEST"
#endif
/* This is the text for the "-O inherited-filesystem=" option */
#define INHERITFS "inherited-filesystem="
#define INHERITFS_LEN ((sizeof (INHERITFS))-1)
/* This is the text for the "-O parent-zone-name=" option */
#define PARENTZONENAME "parent-zone-name="
#define PARENTZONENAME_LEN ((sizeof (PARENTZONENAME))-1)
/* This is the text for the "-O parent-zone-type=" option */
#define PARENTZONETYPE "parent-zone-type="
#define PARENTZONETYPE_LEN ((sizeof (PARENTZONETYPE))-1)
struct admin adm; /* holds info about installation admin */
int dreboot; /* non-zero if reboot required after installation */
int ireboot; /* non-zero if immediate reboot required */
int failflag; /* non-zero if fatal error has occurred */
int warnflag; /* non-zero if non-fatal error has occurred */
int pkgverbose; /* non-zero if verbose mode is selected */
int started;
int nocnflct = 0; /* pkgdbmerg needs this defined */
int nosetuid = 0; /* pkgdbmerg needs this defined */
char *pkginst; /* current package (source) instance to process */
int dbchg;
char *msgtext;
char pkgloc[PATH_MAX];
/*
* The following variable is the name of the device to which stdin
* is connected during execution of a procedure script. /dev/null is
* correct for all ABI compliant packages. For non-ABI-compliant
* packages, the '-o' command line switch changes this to /dev/tty
* to allow user interaction during these scripts. -- JST
*/
static char *script_in = PROC_STDIN; /* assume ABI compliance */
static char *client_mntdir; /* mount point for client's basedir */
static char pkgbin[PATH_MAX],
rlockfile[PATH_MAX],
*admnfile, /* file to use for installation admin */
*tmpdir; /* location to place temporary files */
static boolean_t path_valid(char *path);
static void ckreturn(int retcode, char *msg);
static void rmclass(char *aclass, int rm_remote, char *a_zoneName);
static void usage(void);
/*
* Set by -O debug: debug output is enabled?
*/
static boolean_t debugFlag = B_FALSE;
/*
* Set by -O preremovecheck: do remove dependency checking only
*/
static boolean_t preremoveCheck = B_FALSE;
/* Set by -O parent-zone-name= */
static char *parentZoneName = (char *)NULL;
/* Set by -O parent-zone-type= */
static char *parentZoneType = (char *)NULL;
static int nointeract; /* != 0 no interaction with user should occur */
int
main(int argc, char *argv[])
{
FILE *fp;
char *abi_comp_ptr;
char *abi_sym_ptr;
char *p;
char *prog_full_name = NULL;
char *pt;
char *value;
char *vfstab_file = NULL;
char *zoneName = (char *)NULL;
char cmdbin[PATH_MAX];
char param[MAX_PKG_PARAM_LENGTH];
char path[PATH_MAX];
char script[PATH_MAX];
int c;
int err;
int fd;
int i;
int map_client = 1;
int n;
int nodelete = 0; /* do not delete file or run scripts */
int pkgrmremote = 0; /* dont remove remote objects */
struct sigaction nact;
struct sigaction oact;
PKGserver pkgserver = NULL;
VFP_T *tmpfp;
/* reset contents of all default paths */
(void) memset(cmdbin, '\0', sizeof (cmdbin));
/* initialize locale environment */
(void) setlocale(LC_ALL, "");
(void) textdomain(TEXT_DOMAIN);
/* initialize program name */
prog_full_name = argv[0];
(void) set_prog_name(argv[0]);
/* tell spmi zones interface how to access package output functions */
z_set_output_functions(echo, echoDebug, progerr);
/* exit if not root */
if (getuid()) {
progerr(ERR_NOT_ROOT, get_prog_name());
exit(1);
/* NOTREACHED */
}
/* Read PKG_INSTALL_ROOT from the environment, if it's there. */
if (!set_inst_root(getenv("PKG_INSTALL_ROOT"))) {
progerr(ERR_ROOT_SET);
exit(1);
}
pkgserversetmode(DEFAULTMODE);
/* parse command line options */
while ((c = getopt(argc, argv, "?Aa:b:FMN:nO:oR:V:vy")) != EOF) {
switch (c) {
/*
* Same as pkgrm: Allow admin to remove package objects from
* a shared area from a reference client.
*/
case 'A':
pkgrmremote++;
break;
/*
* Same as pkgrm: Use the installation
* administration file, admin, in place of the
* default admin file. pkgrm first looks in the
* current working directory for the administration
* file. If the specified administration file is not
* in the current working directory, pkgrm looks in
* the /var/sadm/install/admin directory for the
* administration file.
*/
case 'a':
admnfile = flex_device(optarg, 0);
break;
/*
* Same as pkgrm: location where package executables
* can be found - default is /usr/sadm/install/bin.
*/
case 'b':
if (!path_valid(optarg)) {
progerr(ERR_PATH, optarg);
exit(1);
}
if (isdir(optarg) != 0) {
char *p = strerror(errno);
progerr(ERR_CANNOT_USE_DIR, optarg, p);
exit(1);
}
(void) strlcpy(cmdbin, optarg, sizeof (cmdbin));
break;
/*
* Same as pkgrm: suppresses the removal of any
* files and any class action scripts, and suppresses
* the running of any class action scripts. The
* package files remain but the package looks like it
* is not installed. This is mainly for use by the
* upgrade process.
*/
case 'F':
nodelete++;
break;
/*
* Same as pkgrm: Instruct pkgrm not to use the
* $root_path/etc/vfstab file for determining the
* client's mount points. This option assumes the
* mount points are correct on the server and it
* behaves consistently with Solaris 2.5 and earlier
* releases.
*/
case 'M':
map_client = 0;
break;
/*
* Different from pkgrm: specify program name to use
* for messages.
*/
case 'N':
(void) set_prog_name(optarg);
break;
/*
* Same as pkgrm: package removal occurs in
* non-interactive mode. Suppress output of the list of
* removed files. The default mode is interactive.
*/
case 'n':
nointeract++;
(void) echoSetFlag(B_FALSE);
break;
/*
* Almost same as pkgrm: the -O option allows the behavior
* of the package tools to be modified. Recognized options:
* -> debug
* ---> enable debugging output
* -> preremovecheck
* ---> perform a "pre removal" check of the specified
* ---> package - suppress all regular output and cause a
* ---> series of one or more "name=value" pair format lines
* ---> to be output that describes the "removability" of
* ---> the specified package
* -> enable-hollow-package-support
* --> Enable hollow package support. When specified, for any
* --> package that has SUNW_PKG_HOLLOW=true:
* --> Do not calculate and verify package size against target
* --> Do not run any package procedure or class action scripts
* --> Do not create or remove any target directories
* --> Do not perform any script locking
* --> Do not install or uninstall any components of any package
* --> Do not output any status or database update messages
*/
case 'O':
for (p = strtok(optarg, ","); p != (char *)NULL;
p = strtok(NULL, ",")) {
/* process debug option */
if (strcmp(p, "debug") == 0) {
/* set debug flag/enable debug output */
debugFlag = B_TRUE;
(void) echoDebugSetFlag(debugFlag);
/* debug info on arguments to pkgadd */
for (n = 0; n < argc && argv[n]; n++) {
echoDebug(DBG_ARG, n, argv[n]);
}
continue;
}
/* process enable-hollow-package-support opt */
if (strcmp(p,
"enable-hollow-package-support") == 0) {
set_depend_pkginfo_DB(B_TRUE);
continue;
}
/* process inherited-filesystem= option */
if (strncmp(p, INHERITFS, INHERITFS_LEN) == 0) {
if (z_add_inherited_file_system(
p+INHERITFS_LEN) == B_FALSE) {
progerr(ERR_NOSUCH_INHERITED,
p+INHERITFS_LEN);
quit(1);
/* NOTREACHED */
}
continue;
}
/* process preremovecheck option */
if (strcmp(p, "preremovecheck") == 0) {
preremoveCheck = B_TRUE;
nointeract++; /* -n */
nodelete++; /* -F */
quitSetSilentExit(B_TRUE);
continue;
}
/* process addzonename option */
if (strcmp(p, "addzonename") == 0) {
zoneName = z_get_zonename();
quitSetZoneName(zoneName);
continue;
}
/* process parent-zone-name option */
if (strncmp(p, PARENTZONENAME,
PARENTZONENAME_LEN) == 0) {
parentZoneName = p+PARENTZONENAME_LEN;
continue;
}
/* process parent-zone-type option */
if (strncmp(p, PARENTZONETYPE,
PARENTZONETYPE_LEN) == 0) {
parentZoneType = p+PARENTZONETYPE_LEN;
continue;
}
if (strncmp(p, PKGSERV_MODE,
PKGSERV_MODE_LEN) == 0) {
pkgserversetmode(pkgparsemode(p +
PKGSERV_MODE_LEN));
continue;
}
/* option not recognized - issue warning */
progerr(ERR_INVALID_O_OPTION, p);
continue;
}
break;
/*
* Different from pkgrm: This is an old non-ABI package
*/
case 'o':
script_in = PROC_XSTDIN;
break;
/*
* Same as pkgrm: defines the full path name of a
* directory to use as the root_path. All files,
* including package system information files, are
* relocated to a directory tree starting in the
* specified root_path.
*/
case 'R':
if (!set_inst_root(optarg)) {
progerr(ERR_ROOT_CMD);
exit(1);
}
break;
/*
* Same as pkgrm: allow admin to establish the client
* filesystem using a vfstab-like file of stable format.
*/
case 'V':
vfstab_file = flex_device(optarg, 2);
map_client = 1;
break;
/*
* Same as pkgrm: trace all of the scripts that
* get executed by pkgrm, located in the
* pkginst/install directory. This option is used for
* debugging the procedural and non-procedural
* scripts.
*/
case 'v':
pkgverbose++;
break;
/*
* Different from pkgrm: process this package using
* old non-ABI symlinks
*/
case 'y':
set_nonABI_symlinks();
break;
default:
usage();
/*NOTREACHED*/
/*
* Although usage() calls a noreturn function,
* needed to add return (1); so that main() would
* pass compilation checks. The statement below
* should never be executed.
*/
return (1);
}
}
/*
* ********************************************************************
* validate command line options
* ********************************************************************
*/
(void) echoDebugSetFlag(debugFlag);
(void) log_set_verbose(debugFlag);
if (z_running_in_global_zone()) {
echoDebug(DBG_ENTRY_IN_GZ, prog_full_name);
} else {
echoDebug(DBG_ENTRY_IN_LZ, prog_full_name, getzoneid(),
z_get_zonename());
}
/* establish cmdbin path */
if (cmdbin[0] == '\0') {
(void) strlcpy(cmdbin, PKGBIN, sizeof (cmdbin));
}
/* Read the mount table */
if (get_mntinfo(map_client, vfstab_file)) {
quit(99);
}
/*
* This function defines the standard /var/... directories used later
* to construct the paths to the various databases.
*/
set_PKGpaths(get_inst_root());
/*
* If this is being removed from a client whose /var filesystem is
* mounted in some odd way, remap the administrative paths to the
* real filesystem. This could be avoided by simply mounting up the
* client now; but we aren't yet to the point in the process where
* modification of the filesystem is permitted.
*/
if (is_an_inst_root()) {
int fsys_value;
fsys_value = fsys(get_PKGLOC());
if (use_srvr_map_n(fsys_value))
set_PKGLOC(server_map(get_PKGLOC(), fsys_value));
fsys_value = fsys(get_PKGADM());
if (use_srvr_map_n(fsys_value))
set_PKGADM(server_map(get_PKGADM(), fsys_value));
} else {
pkgrmremote = 0; /* Makes no sense on local host. */
}
/*
* hook SIGINT and SIGHUP interrupts into quit.c's trap handler
*/
/* hold SIGINT/SIGHUP interrupts */
(void) sighold(SIGHUP);
(void) sighold(SIGINT);
/* connect quit.c:trap() to SIGINT */
nact.sa_handler = quitGetTrapHandler();
nact.sa_flags = SA_RESTART;
(void) sigemptyset(&nact.sa_mask);
(void) sigaction(SIGINT, &nact, &oact);
/* connect quit.c:trap() to SIGHUP */
nact.sa_handler = quitGetTrapHandler();
nact.sa_flags = SA_RESTART;
(void) sigemptyset(&nact.sa_mask);
(void) sigaction(SIGHUP, &nact, &oact);
/* release hold on signals */
(void) sigrelse(SIGHUP);
(void) sigrelse(SIGINT);
pkginst = argv[optind++];
if (optind != argc) {
usage();
}
/* validate package software database (contents) file */
if (vcfile() == 0) {
quit(99);
}
/*
* Acquire the package lock - currently at "remove initialization"
*/
if (!lockinst(get_prog_name(), pkginst, "remove-initial")) {
quit(99);
}
/* establish temporary directory to use */
tmpdir = getenv("TMPDIR");
if (tmpdir == NULL) {
tmpdir = P_tmpdir;
}
echoDebug(DBG_PKGREMOVE_TMPDIR, tmpdir);
/*
* Initialize installation admin parameters by reading
* the adminfile.
*/
echoDebug(DBG_PKGREMOVE_ADMINFILE, admnfile ? admnfile : "");
setadminFile(admnfile);
/*
* about to perform first operation that could be modified by the
* preremove check option - if preremove check is selected (that is,
* only gathering dependencies), then output a debug message to
* indicate that the check is beginning. Also turn echo() output
* off and set various other flags.
*/
if (preremoveCheck == B_TRUE) {
(void) echoSetFlag(B_FALSE);
echoDebug(DBG_PKGREMOVE_PRERMCHK, pkginst ? pkginst : "",
zoneName ? zoneName : "global");
rcksetPreremoveCheck(B_TRUE);
rcksetZoneName(zoneName);
}
(void) snprintf(pkgloc, sizeof (pkgloc), "%s/%s", get_PKGLOC(),
pkginst);
(void) snprintf(pkgbin, sizeof (pkgbin), "%s/install", pkgloc);
(void) snprintf(rlockfile, sizeof (rlockfile), "%s/!R-Lock!", pkgloc);
if (chdir(pkgbin)) {
progerr(ERR_CHDIR, pkgbin);
quit(99);
}
echo(MSG_PREREMOVE_REMINST, pkginst);
/*
* if a lock file is present, then a previous attempt to remove this
* package may have been unsuccessful.
*/
if (access(rlockfile, F_OK) == 0) {
echo(ERR_UNSUCC);
echoDebug(DBG_PKGINSTALL_HAS_LOCKFILE, pkginst, rlockfile,
zoneName ? zoneName : "global");
}
/*
* Process all parameters from the pkginfo file
* and place them in the execution environment
*/
/* Add DB retreival of the pkginfo parameters here */
(void) snprintf(path, sizeof (path), "%s/pkginfo", pkgloc);
if ((fp = fopen(path, "r")) == NULL) {
progerr(ERR_PKGINFO, path);
quit(99);
}
/* Mount up the client if necessary. */
if (map_client && !mount_client()) {
logerr(MSG_MANMOUNT);
}
/* Get mount point of client */
client_mntdir = getenv("CLIENT_MNTDIR");
getuserlocale();
/*
* current environment has been read; clear environment out
* so putparam() can be used to populate the new environment
* to be passed to any executables/scripts.
*/
environ = NULL;
if (nonABI_symlinks()) {
putparam("PKG_NONABI_SYMLINKS", "TRUE");
}
/*
* read the pkginfo file and fix any PKGSAV path - the correct
* install_root will be prepended to the existing path.
*/
param[0] = '\0';
while (value = fpkgparam(fp, param)) {
int validx = 0;
char *newvalue;
/* strip out any setting of PATH */
if (strcmp(param, "PATH") == 0) {
free(value);
param[0] = '\0';
continue;
}
/* if not PKGSAV then write out unchanged */
if (strcmp(param, "PKGSAV") != 0) {
putparam(param, value);
free(value);
param[0] = '\0';
continue;
}
/*
* PKGSAV parameter found - interpret the directory:
* If in host:path format or marked with the leading "//",
* then there is no client-relative translation - take it
* literally later rather than use fixpath().
*/
if (strstr(value, ":/")) {
/* no modification needed */
validx = 0;
} else if (strstr(value, "//") == value) {
validx = 1;
} else if (is_an_inst_root()) {
/* This PKGSAV needs to be made client-relative. */
newvalue = fixpath(value);
free(value);
value = newvalue;
}
putparam(param, value+validx);
free(value);
param[0] = '\0';
}
(void) fclose(fp);
/* write parent condition information to environment */
putConditionInfo(parentZoneName, parentZoneType);
putuserlocale();
/*
* Now do all the various setups based on ABI compliance
*/
/* Read the environment provided by the pkginfo file */
abi_comp_ptr = getenv("NONABI_SCRIPTS");
/* if not ABI compliant set global flag */
abi_sym_ptr = getenv("PKG_NONABI_SYMLINKS");
if (abi_sym_ptr && strncasecmp(abi_sym_ptr, "TRUE", 4) == 0) {
set_nonABI_symlinks();
}
/*
* If pkginfo says it's not compliant then set non_abi_scripts.
* Oh, for two releases, set it from exception package names as
* well.
*/
/*
* *********************************************************************
* this feature is removed starting with Solaris 10 - there is no built
* in list of packages that should be run "the old way"
* *********************************************************************
*/
#ifdef ALLOW_EXCEPTION_PKG_LIST
if (exception_pkg(pkginst, SCRIPT) ||
(abi_comp_ptr && strncmp(abi_comp_ptr, "TRUE", 4) == 0))
script_in = PROC_XSTDIN;
#else
if (abi_comp_ptr && strncmp(abi_comp_ptr, "TRUE", 4) == 0) {
script_in = PROC_XSTDIN;
}
#endif
/*
* *********************************************************************
* this feature is removed starting with Solaris 10 - there is no built
* in list of packages that should be run "the old way"
* *********************************************************************
*/
#ifdef ALLOW_EXCEPTION_PKG_LIST
/* Until 2.9, set it from the execption list */
if (exception_pkg(pkginst, LINK)) {
set_nonABI_symlinks();
}
#endif
/*
* Since this is a removal, we can tell whether it's absolute or
* not from the resident pkginfo file read above.
*/
if ((err = set_basedirs((getenv("BASEDIR") != NULL), adm.basedir,
pkginst, nointeract)) != 0) {
quit(err);
}
/*
* See if were are removing a package that only wants to update
* the database or only remove files associated with CAS's. We
* only check the PKG_HOLLOW_VARIABLE variable if told to do so by
* the caller.
*/
if (is_depend_pkginfo_DB()) {
pt = getenv(PKG_HOLLOW_VARIABLE);
if ((pt != NULL) && (strncasecmp(pt, "true", 4) == 0)) {
echoDebug(DBG_PKGREMOVE_HOLLOW_ENABLED);
/*
* this is a hollow package and hollow package support
* is enabled -- override admin settings to suppress
* checks that do not make sense since no scripts will
* be executed and no files will be removed.
*/
setadminSetting("conflict", "nocheck");
setadminSetting("setuid", "nocheck");
setadminSetting("action", "nocheck");
setadminSetting("partial", "nocheck");
setadminSetting("space", "nocheck");
setadminSetting("authentication", "nocheck");
} else {
echoDebug(DBG_PKGREMOVE_HOLLOW_DISABLED);
set_depend_pkginfo_DB(B_FALSE);
}
}
put_path_params();
/* If client mount point, add it to pkgremove environment */
if (client_mntdir != NULL) {
putparam("CLIENT_MNTDIR", client_mntdir);
}
/* Establish the class list and the class attributes. */
if ((value = getenv("CLASSES")) != NULL) {
cl_sets(qstrdup(value));
} else {
progerr(ERR_CLASSES, path);
quit(99);
}
/* establish path and tmpdir */
if (cmdbin[0] == '\0') {
(void) strlcpy(cmdbin, PKGBIN, sizeof (cmdbin));
}
(void) snprintf(path, sizeof (path), "%s:%s", DEFPATH, cmdbin);
putparam("PATH", path);
putparam("TMPDIR", tmpdir);
/*
* Check ulimit requirement (provided in pkginfo). The purpose of
* this limit is to terminate pathological file growth resulting from
* file edits in scripts. It does not apply to files in the pkgmap
* and it does not apply to any database files manipulated by the
* installation service.
*/
if (value = getenv("ULIMIT")) {
if (assign_ulimit(value) == -1) {
progerr(ERR_BADULIMIT, value);
warnflag++;
}
putparam("PKG_ULIMIT", "TRUE");
}
/*
* If only gathering dependencies, check and output status of all
* remaining dependencies and exit.
*/
if (preremoveCheck == B_TRUE) {
/*
* make sure current runlevel is appropriate
*/
(void) fprintf(stdout, "rckrunlevel=%d\n", rckrunlevel());
/*
* determine if any packaging scripts provided with
* this package will execute as a priviledged user
*/
(void) fprintf(stdout, "rckpriv=%d\n", rckpriv());
/*
* verify package dependencies
*/
(void) fprintf(stdout, "rckdepend=%d\n", rckdepend());
/*
* ****** preremove check done - exit ******
*/
echoDebug(DBG_PKGREMOVE_PRERMCHK_OK);
quit(0);
/*NOTREACHED*/
}
/*
* Not gathering dependencies only, proceed to check dependencies
* and continue with the package removal operation.
*/
/*
* make sure current runlevel is appropriate
*/
n = rckrunlevel();
if (n != 0) {
quit(n);
/* NOTREACHED */
}
/*
* determine if any packaging scripts provided with
* this package will execute as a priviledged user
*/
n = rckpriv();
if (n != 0) {
quit(n);
/* NOTREACHED */
}
/*
* verify package dependencies
*/
n = rckdepend();
if (n != 0) {
quit(n);
/* NOTREACHED */
}
/*
* *********************************************************************
* the actual removal of the package begins here
* *********************************************************************
*/
/*
* create lockfile to indicate start of removal
*/
started++;
if ((fd = open(rlockfile, O_WRONLY|O_CREAT|O_TRUNC, 0644)) < 0) {
progerr(ERR_LOCKFILE, rlockfile);
quit(99);
} else {
(void) close(fd);
}
if (zoneName == (char *)NULL) {
echo(MSG_PKGREMOVE_PROCPKG_GZ);
echoDebug(DBG_PKGREMOVE_PROCPKG_GZ, pkginst, rlockfile);
} else {
echo(MSG_PKGREMOVE_PROCPKG_LZ, zoneName);
echoDebug(DBG_PKGREMOVE_PROCPKG_LZ, pkginst, rlockfile,
zoneName);
}
if (delmap(0, pkginst, &pkgserver, &tmpfp) != 0) {
progerr(ERR_DB_QUERY, pkginst);
quit(99);
}
/*
* Run a preremove script if one is provided by the package.
* Don't execute preremove script if only updating the DB.
* Don't execute preremove script if files are not being deleted.
* Don't execute preremove script if one or more files reside in
* an inherited FS.
*/
/* update the lock - at the preremove script */
lockupd("preremove");
/* execute preremove script if one is provided */
(void) snprintf(script, sizeof (script), "%s/preremove", pkgbin);
if (access(script, F_OK) != 0) {
/* no script present */
echoDebug(DBG_PKGREMOVE_POC_NONE, pkginst,
zoneName ? zoneName : "global");
} else if (nodelete) {
/* not deleting files: skip preremove script */
echoDebug(DBG_PKGREMOVE_POC_NODEL, pkginst, script,
zoneName ? zoneName : "global");
} else if (is_depend_pkginfo_DB()) {
/* updating db only: skip preremove script */
echoDebug(DBG_PKGREMOVE_POC_DBUPD, pkginst, script,
zoneName ? zoneName : "global");
} else {
/* script present and ok to run: run the script */
set_ulimit("preremove", ERR_PREREMOVE);
if (zoneName == (char *)NULL) {
echo(MSG_PKGREMOVE_EXEPOC_GZ);
echoDebug(DBG_PKGREMOVE_EXEPOC_GZ, pkginst, script);
} else {
echo(MSG_PKGREMOVE_EXEPOC_LZ, zoneName);
echoDebug(DBG_PKGREMOVE_EXEPOC_LZ, pkginst, script,
zoneName);
}
putparam("PKG_PROC_SCRIPT", "preremove");
if (pkgverbose) {
ckreturn(pkgexecl(script_in, PROC_STDOUT,
PROC_USER, PROC_GRP, SHELL, "-x",
script, NULL), ERR_PREREMOVE);
} else {
ckreturn(pkgexecl(script_in, PROC_STDOUT,
PROC_USER, PROC_GRP, SHELL, script,
NULL), ERR_PREREMOVE);
}
clr_ulimit();
}
/* update the lock - doing removal */
lockupd("remove");
/*
* Ensure that the contents file is updated even if the db has
* been upgraded, in the case that there are relevant entries
* in a special_contents file. The return value is ignored
* since we do not want special_contents operation to prevent
* pkgremove from succeeding. We do report errors to stderr.
*/
/*
* Remove all components belonging to this package.
* Don't remove components if only updating the DB.
* Don't remove components if files are not being deleted.
*/
if (nodelete) {
echoDebug(DBG_PKGREMOVE_REM_NODEL, pkginst,
zoneName ? zoneName : "global");
} else if (is_depend_pkginfo_DB()) {
echoDebug(DBG_PKGREMOVE_REM_DBUPD, pkginst,
zoneName ? zoneName : "global");
} else {
echoDebug(DBG_PKGREMOVE_REM, pkginst,
zoneName ? zoneName : "global");
/*
* remove package one class at a time
*/
/* reverse order of classes */
for (i = cl_getn() - 1; i >= 0; i--) {
rmclass(cl_nam(i), pkgrmremote, zoneName);
}
rmclass(NULL, pkgrmremote, zoneName);
}
z_destroyMountTable();
/*
* Execute postremove script, if any
* Don't execute postremove script if only updating the DB.
* Don't execute postremove script if files are not being deleted.
*/
/* update the lock - at the postremove script */
lockupd("postremove");
/* execute postremove script if one is provided */
(void) snprintf(script, sizeof (script), "%s/postremove", pkgbin);
if (access(script, F_OK) != 0) {
/* no script present */
echoDebug(DBG_PKGREMOVE_PIC_NONE, pkginst,
zoneName ? zoneName : "global");
} else if (nodelete) {
/* not deleting files: skip postremove script */
echoDebug(DBG_PKGREMOVE_PIC_NODEL, pkginst, script,
zoneName ? zoneName : "global");
} else if (is_depend_pkginfo_DB()) {
/* updating db only: skip postremove script */
echoDebug(DBG_PKGREMOVE_PIC_DBUPD, pkginst, script,
zoneName ? zoneName : "global");
} else {
/* script present and ok to run: run the script */
set_ulimit("postremove", ERR_POSTREMOVE);
if (zoneName == (char *)NULL) {
echo(MSG_PKGREMOVE_EXEPIC_GZ);
echoDebug(DBG_PKGREMOVE_EXEPIC_GZ, pkginst, script);
} else {
echo(MSG_PKGREMOVE_EXEPIC_LZ, zoneName);
echoDebug(DBG_PKGREMOVE_EXEPIC_LZ, pkginst, script,
zoneName);
}
putparam("PKG_PROC_SCRIPT", "postremove");
putparam("TMPDIR", tmpdir);
if (pkgverbose) {
ckreturn(pkgexecl(script_in, PROC_STDOUT, PROC_USER,
PROC_GRP, SHELL, "-x", script, NULL),
ERR_POSTREMOVE);
} else {
ckreturn(pkgexecl(script_in, PROC_STDOUT, PROC_USER,
PROC_GRP, SHELL, script, NULL),
ERR_POSTREMOVE);
}
clr_ulimit();
}
if (zoneName == (char *)NULL) {
echo(MSG_PKGREMOVE_UPDINF_GZ);
} else {
echo(MSG_PKGREMOVE_UPDINF_LZ, zoneName);
}
if (delmap(1, pkginst, &pkgserver, &tmpfp) != 0) {
progerr(ERR_DB_QUERY, pkginst);
quit(99);
}
if (!warnflag && !failflag) {
if (pt = getenv("PREDEPEND"))
predepend(pt);
(void) chdir("/");
if (rrmdir(pkgloc))
warnflag++;
}
if ((z_running_in_global_zone() == B_TRUE) &&
(pkgIsPkgInGzOnly(get_inst_root(), pkginst) == B_TRUE)) {
boolean_t b;
b = pkgRemovePackageFromGzonlyList(get_inst_root(), pkginst);
if (b == B_FALSE) {
progerr(ERR_PKGREMOVE_GZONLY_REMOVE, pkginst);
ckreturn(1, NULL);
}
}
/* release the generic package lock */
(void) unlockinst();
pkgcloseserver(pkgserver);
quit(0);
/* LINTED: no return */
}
int
issymlink(char *path)
{
struct stat statbuf;
/*
* Obtain status of path; if symbolic link get link's status
*/
if (lstat(path, &statbuf) != 0) {
return (1); /* not symlink */
}
/*
* Status obtained - if symbolic link, return 0
*/
if ((statbuf.st_mode & S_IFMT) == S_IFLNK) {
return (0); /* is a symlink */
}
/*
* Not a symbolic link - return 1
*/
return (1); /* not symlink */
}
static void
rmclass(char *aclass, int rm_remote, char *a_zoneName)
{
struct cfent *ept;
FILE *fp;
char tmpfile[PATH_MAX];
char script[PATH_MAX];
int i;
char *tmp_path;
char *save_path = NULL;
struct stat st;
if (aclass == NULL) {
for (i = 0; i < eptnum; i++) {
if (eptlist[i] != NULL) {
rmclass(eptlist[i]->pkg_class,
rm_remote, a_zoneName);
}
}
return;
}
/* locate class action script to execute */
(void) snprintf(script, sizeof (script), "%s/r.%s", pkgbin, aclass);
if (access(script, F_OK) != 0) {
(void) snprintf(script, sizeof (script), "%s/r.%s",
PKGSCR, aclass);
if (access(script, F_OK) != 0)
script[0] = '\0';
}
if (script[0] != '\0') {
int td;
(void) snprintf(tmpfile, sizeof (tmpfile), "%s/RMLISTXXXXXX",
tmpdir);
td = mkstemp(tmpfile);
if (td == -1) {
progerr(ERR_TMPFILE);
quit(99);
}
if ((fp = fdopen(td, "w")) == NULL) {
progerr(ERR_WTMPFILE, tmpfile);
quit(99);
}
}
if (a_zoneName == (char *)NULL) {
echo(MSG_PKGREMOVE_REMPATHCLASS_GZ, aclass);
} else {
echo(MSG_PKGREMOVE_REMPATHCLASS_LZ, aclass, a_zoneName);
}
/* process paths in reverse order */
i = eptnum;
while (--i >= 0) {
ept = eptlist[i];
if ((ept == NULL) || strcmp(aclass, ept->pkg_class)) {
continue;
}
/* save the path, and prepend the ir */
if (is_an_inst_root()) {
save_path = ept->path;
tmp_path = fixpath(ept->path);
ept->path = tmp_path;
}
if (!ept->ftype || (ept->ftype == '^' && !script[0])) {
/*
* A path owned by more than one package is marked with
* a NULL ftype (seems odd, but that's how it's
* done). Such files are sacro sanct. Shared editable
* files are a special case, and are marked with an
* ftype of '^'. These files should only be ignored if
* no class action script is present. It is the CAS's
* responsibility to not remove the editable object.
*/
echo(MSG_SHARED, ept->path);
} else if (ept->pinfo->status == SERVED_FILE && !rm_remote) {
/*
* If the path is provided to the client from a
* server, don't remove anything unless explicitly
* requested through the "-f" option.
*/
echo(MSG_SERVER, ept->path);
} else if (z_path_is_inherited(ept->path, ept->ftype,
get_inst_root())) {
/*
* object is in an area inherited from the global zone,
* and the object cannot be removed - output a message
* indicating the object cannot be removed and continue.
*/
echo(MSG_NOTREMOVED_INHERITED, ept->path);
} else if (script[0]) {
/*
* If there's a class action script, just put the
* path name into the list.
*/
(void) fprintf(fp, "%s\n", ept->path);
} else if (strchr("dx", ept->ftype) != NULL ||
(lstat(ept->path, &st) == 0 && S_ISDIR(st.st_mode))) {
/* Directories are rmdir()'d. */
if (rmdir(ept->path)) {
if (errno == EBUSY) {
echo(MSG_DIRBUSY, ept->path);
} else if (errno == EEXIST) {
echo(MSG_NOTEMPTY, ept->path);
} else if (errno != ENOENT) {
progerr(ERR_RMDIR, ept->path);
warnflag++;
}
} else {
if (ept->pinfo->status == SERVED_FILE) {
echo(MSG_RMSRVR, ept->path);
} else {
echo("%s", ept->path);
}
}
} else {
/*
* Before removing this object one more
* check should be done to assure that a
* shared object is not removed.
* This can happen if the original object
* was incorrectly updated with the
* incorrect class identifier.
* This handles pathologcal cases that
* weren't handled above.
*/
if (ept->npkgs > 1) {
echo(MSG_SHARED, ept->path);
continue;
}
/* Regular files are unlink()'d. */
if (unlink(ept->path)) {
if (errno != ENOENT) {
progerr(ERR_RMPATH, ept->path);
warnflag++;
}
} else {
if (ept->pinfo->status == SERVED_FILE) {
echo(MSG_RMSRVR, ept->path);
} else {
echo("%s", ept->path);
}
}
}
/* restore the original path */
if (is_an_inst_root()) {
ept->path = save_path;
}
/*
* free memory allocated for this entry memory used for
* pathnames will be freed later by a call to pathdup()
*/
if (eptlist[i]) {
free(eptlist[i]);
}
eptlist[i] = NULL;
}
if (script[0]) {
(void) fclose(fp);
set_ulimit(script, ERR_CASFAIL);
if (pkgverbose)
ckreturn(pkgexecl(tmpfile, CAS_STDOUT, CAS_USER,
CAS_GRP, SHELL, "-x", script, NULL),
ERR_CASFAIL);
else
ckreturn(pkgexecl(tmpfile, CAS_STDOUT, CAS_USER,
CAS_GRP, SHELL, script, NULL),
ERR_CASFAIL);
clr_ulimit();
if (isfile(NULL, tmpfile) == 0) {
if (unlink(tmpfile) == -1)
progerr(ERR_RMPATH, tmpfile);
}
}
}
static void
ckreturn(int retcode, char *msg)
{
switch (retcode) {
case 2:
case 12:
case 22:
warnflag++;
/*FALLTHRU*/
if (msg)
progerr(msg);
case 10:
case 20:
if (retcode >= 10)
dreboot++;
if (retcode >= 20)
ireboot++;
/*FALLTHRU*/
case 0:
break; /* okay */
case -1:
retcode = 99;
/*FALLTHRU*/
case 99:
case 1:
case 11:
case 21:
case 4:
case 14:
case 24:
case 5:
case 15:
case 25:
if (msg)
progerr(msg);
/*FALLTHRU*/
case 3:
case 13:
case 23:
quit(retcode);
/* NOT REACHED */
default:
if (msg)
progerr(msg);
quit(1);
}
}
static void
usage(void)
{
(void) fprintf(stderr, ERR_USAGE_PKGREMOVE);
exit(1);
}
/*
* Name: path_valid
* Description: Checks a string for being a valid path
*
* Arguments: path - path to validate
*
* Returns : B_TRUE - success, B_FALSE otherwise.
* B_FALSE means path was null, too long (>PATH_MAX),
* or too short (<1)
*/
static boolean_t
path_valid(char *path)
{
if (path == NULL) {
return (B_FALSE);
} else if (strlen(path) > PATH_MAX) {
return (B_FALSE);
} else if (strlen(path) >= 1) {
return (B_TRUE);
} else {
/* path < 1 */
return (B_FALSE);
}
}