/* * 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 (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved. */ /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ /* All Rights Reserved */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include 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); /* 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 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 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. */ /* 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) { (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 (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); } }