int
_z_zone_exec(int *r_status, char **r_results, char *a_inputFile,
char *a_path, char *a_argv[], const char *a_zoneName, int *a_fds)
{
struct sigaction nact;
struct sigaction oact;
char *buffer;
char *thisZoneName;
int bufferIndex;
int bufferSize;
int exit_no;
int ipipe[2] = {0, 0};
int lerrno;
int n;
int status;
int stdinfile = -1;
int tmpl_fd;
pid_t child_pid;
pid_t result_pid;
void (*funcSighup)();
void (*funcSigint)();
/* entry assertions */
assert(a_path != (char *)NULL);
assert(*a_path != '\0');
assert(a_argv != (char **)NULL);
assert(a_argv[0] != (char *)NULL);
assert(*a_argv[0] != '\0');
assert(a_zoneName != (char *)NULL);
/*
* if requested to execute in current zone name, directly execute
*/
thisZoneName = z_get_zonename();
status = (strcmp(a_zoneName, thisZoneName) == 0);
/* entry debugging info */
_z_echoDebug(DBG_ZONE_EXEC_CMD_ENTER, a_path, a_zoneName, thisZoneName);
(void) free(thisZoneName);
for (n = 0; a_argv[n]; n++) {
_z_echoDebug(DBG_ARG, n, a_argv[n]);
}
/* if this zone, just exec the command directly */
if (status != 0) {
return (z_ExecCmdArray(r_status, r_results, a_inputFile,
a_path, a_argv));
}
/* reset return results buffer pointer */
if (r_results != (char **)NULL) {
*r_results = (char *)NULL;
}
*r_status = -1; /* -1 : failure to exec process */
/* if zones are not implemented, return TRUE */
if (!z_zones_are_implemented()) {
return (-6); /* -6 : zones are not supported */
}
if ((tmpl_fd = _zexec_init_template()) == -1) {
_z_program_error(ERR_CANNOT_CREATE_CONTRACT, strerror(errno));
return (-2); /* -2 : cannot create greenline contract */
}
/*
* See if input file exists
*/
if (a_inputFile != (char *)NULL) {
stdinfile = open(a_inputFile, O_RDONLY);
} else {
stdinfile = open("/dev/null", O_RDONLY); /* stdin = /dev/null */
}
if (stdinfile < 0) {
return (-4); /* -4 : could not open stdin source file */
}
/*
* Create a pipe to be used to capture the command output
*/
if (pipe(ipipe) != 0) {
(void) close(stdinfile);
return (-1);
}
bufferSize = PIPE_BUFFER_INCREMENT;
bufferIndex = 0;
buffer = calloc(1, bufferSize);
if (buffer == (char *)NULL) {
(void) close(stdinfile);
return (-1);
}
/* flush standard i/o before creating new process */
(void) fflush(stderr);
(void) fflush(stdout);
/*
* hold SIGINT/SIGHUP signals and reset signal received counter;
* after the fork1() the parent and child need to setup their respective
* interrupt handling and release the hold on the signals
*/
(void) sighold(SIGINT);
(void) sighold(SIGHUP);
_z_global_data._z_SigReceived = 0; /* no signals received */
/*
* fork off a new process to execute command in;
* fork1() is used instead of vfork() so the child process can
* perform operations that would modify the parent process if
* vfork() were used
*/
child_pid = fork1();
if (child_pid < 0) {
/*
* *************************************************************
* fork failed!
* *************************************************************
*/
(void) ct_tmpl_clear(tmpl_fd);
(void) close(tmpl_fd);
(void) free(buffer);
_z_program_error(ERR_FORK, strerror(errno));
/* release hold on signals */
(void) sigrelse(SIGHUP);
(void) sigrelse(SIGINT);
return (-3); /* -3 : fork() failed */
}
if (child_pid == 0) {
int i;
/*
* *************************************************************
* This is the forked (child) process
* *************************************************************
*/
(void) ct_tmpl_clear(tmpl_fd);
(void) close(tmpl_fd);
/* reset any signals to default */
for (i = 0; i < NSIG; i++) {
(void) sigset(i, SIG_DFL);
}
/* assign stdin, stdout, stderr as appropriate */
(void) dup2(stdinfile, STDIN_FILENO);
(void) close(ipipe[0]); /* close out pipe reader side */
(void) dup2(ipipe[1], STDOUT_FILENO);
(void) dup2(ipipe[1], STDERR_FILENO);
/*
* close all file descriptors not in the a_fds list
*/
(void) fdwalk(&_z_close_file_descriptors, (void *)a_fds);
/* release all held signals */
(void) sigrelse(SIGHUP);
(void) sigrelse(SIGINT);
/* execute command in the specified non-global zone */
_exit(_zexec(a_zoneName, a_path, a_argv));
}
/*
* *********************************************************************
* This is the forking (parent) process
* *********************************************************************
*/
/* register child process i.d. so signal handlers can pass signal on */
_z_global_data._z_ChildProcessId = child_pid;
/*
* setup signal handlers for SIGINT and SIGHUP and release hold
*/
/* hook SIGINT to _z_sig_trap() */
nact.sa_handler = _z_sig_trap;
nact.sa_flags = SA_RESTART;
(void) sigemptyset(&nact.sa_mask);
if (sigaction(SIGINT, &nact, &oact) < 0) {
funcSigint = SIG_DFL;
} else {
funcSigint = oact.sa_handler;
}
/* hook SIGHUP to _z_sig_trap() */
nact.sa_handler = _z_sig_trap;
nact.sa_flags = SA_RESTART;
(void) sigemptyset(&nact.sa_mask);
if (sigaction(SIGHUP, &nact, &oact) < 0) {
funcSighup = SIG_DFL;
} else {
funcSighup = oact.sa_handler;
}
/* release hold on signals */
(void) sigrelse(SIGHUP);
(void) sigrelse(SIGINT);
(void) ct_tmpl_clear(tmpl_fd);
(void) close(tmpl_fd);
(void) close(stdinfile);
(void) close(ipipe[1]); /* Close write side of pipe */
/*
* Spin reading data from the child into the buffer - when the read eofs
* the child has exited
*/
for (;;) {
ssize_t bytesRead;
/* read as much child data as there is available buffer space */
bytesRead = read(ipipe[0], buffer + bufferIndex,
bufferSize - bufferIndex);
/* break out of read loop if end-of-file encountered */
if (bytesRead == 0) {
break;
}
/* if error, continue if recoverable, else break out of loop */
if (bytesRead == -1) {
/* try again: EAGAIN - insufficient resources */
if (errno == EAGAIN) {
continue;
}
/* try again: EINTR - interrupted system call */
if (errno == EINTR) {
continue;
}
/* break out of loop - error not recoverable */
break;
}
/* at least 1 byte read: expand buffer if at end */
bufferIndex += bytesRead;
if (bufferIndex >= bufferSize) {
buffer = realloc(buffer,
bufferSize += PIPE_BUFFER_INCREMENT);
(void) memset(buffer + bufferIndex, 0,
bufferSize - bufferIndex);
}
}
(void) close(ipipe[0]); /* Close read side of pipe */
/*
* wait for the process to exit, reap child exit status
*/
for (;;) {
result_pid = waitpid(child_pid, &status, 0L);
lerrno = (result_pid == -1 ? errno : 0);
/* break loop if child process status reaped */
if (result_pid != -1) {
break;
}
/* break loop if not interrupted out of waitpid */
if (errno != EINTR) {
break;
}
}
/* reset child process i.d. so signal handlers do not pass signals on */
_z_global_data._z_ChildProcessId = -1;
/*
* If the child process terminated due to a call to exit(), then
* set results equal to the 8-bit exit status of the child process;
* otherwise, set the exit status to "-1" indicating that the child
* exited via a signal.
*/
if (WIFEXITED(status)) {
*r_status = WEXITSTATUS(status);
if ((_z_global_data._z_SigReceived != 0) && (*r_status == 0)) {
*r_status = 1;
}
} else {
*r_status = -1; /* -1 : failure to exec process */
}
/* determine proper exit code */
if (result_pid == -1) {
exit_no = -5; /* -5 : error from 'waitpid' other than EINTR */
} else if (_z_global_data._z_SigReceived != 0) {
exit_no = -7; /* -7 : interrupt received */
} else {
exit_no = 0;
}
/* return appropriate output */
if (!*buffer) {
/* No contents in output buffer - discard */
free(buffer);
} else if (r_results == (char **)NULL) {
/* Not requested to return results - discard */
free(buffer);
} else {
/* have output and request to return: pass to calling method */
*r_results = buffer;
}
/*
* reset signal handlers
*/
/* reset SIGINT */
nact.sa_handler = funcSigint;
nact.sa_flags = SA_RESTART;
(void) sigemptyset(&nact.sa_mask);
(void) sigaction(SIGINT, &nact, (struct sigaction *)NULL);
/* reset SIGHUP */
nact.sa_handler = funcSighup;
nact.sa_flags = SA_RESTART;
(void) sigemptyset(&nact.sa_mask);
(void) sigaction(SIGHUP, &nact, (struct sigaction *)NULL);
/*
* if signal received during command execution, interrupt
* this process now.
*/
if (_z_global_data._z_SigReceived != 0) {
(void) kill(getpid(), SIGINT);
}
/* set errno and return */
errno = lerrno;
return (exit_no);
}
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 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.
*/
if (abi_comp_ptr && strncmp(abi_comp_ptr, "TRUE", 4) == 0) {
script_in = PROC_XSTDIN;
}
/*
* 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.
*/
/* 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");
/*
* 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) {
(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 */
}
