X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=bacula%2Fsrc%2Ffiled%2Facl.c;h=10db1cd89402b7f1f9e373f35d7015164a81caf4;hb=8694fe83738792584b6c7c1a42a6225159dbf998;hp=3e4d7c97769e50ca6a19e37fc35b8b0ca842313b;hpb=7d6c8d7eb933a70aeede2d253cbc99c5ab497652;p=bacula%2Fbacula diff --git a/bacula/src/filed/acl.c b/bacula/src/filed/acl.c index 3e4d7c9776..10db1cd894 100644 --- a/bacula/src/filed/acl.c +++ b/bacula/src/filed/acl.c @@ -1,12 +1,12 @@ /* Bacula® - The Network Backup Solution - Copyright (C) 2004-2008 Free Software Foundation Europe e.V. + Copyright (C) 2004-2010 Free Software Foundation Europe e.V. The main author of Bacula is Kern Sibbald, with contributions from many others, a complete list can be found in the file AUTHORS. This program is Free Software; you can redistribute it and/or - modify it under the terms of version two of the GNU General Public + modify it under the terms of version three of the GNU Affero General Public License as published by the Free Software Foundation and included in the file LICENSE. @@ -15,7 +15,7 @@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - You should have received a copy of the GNU General Public License + You should have received a copy of the GNU Affero General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. @@ -25,7 +25,7 @@ (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich, Switzerland, email:ftf@fsfeurope.org. */ -/* +/** * Functions to handle ACLs for bacula. * * We handle two different types of ACLs: access and default ACLS. @@ -44,87 +44,68 @@ * Its also interesting to see what the exact format of acl text is on * certain platforms and if they use they same encoding we might allow * different platform streams to be decoded on an other similar platform. - * As we implement the decoding/restoring process as a big switch based - * on the stream number being passed in extending the switching code is - * easy. * * Original written by Preben 'Peppe' Guldberg, December MMIV * Major rewrite by Marco van Wieringen, November MMVIII - * - * Version $Id$ */ #include "bacula.h" #include "filed.h" -/* - * List of supported OSs. - * Not sure if all the HAVE_XYZ_OS are correct for autoconf. - * The ones that says man page, are coded according to man pages only. - */ -#if !defined(HAVE_ACL) /* ACL support is required, of course */ \ - || !( defined(HAVE_AIX_OS) /* man page -- may need flags */ \ - || defined(HAVE_DARWIN_OS) /* tested -- compile without flags */ \ - || defined(HAVE_FREEBSD_OS) /* tested -- compile without flags */ \ - || defined(HAVE_HPUX_OS) /* man page -- may need flags */ \ - || defined(HAVE_IRIX_OS) /* man page -- compile without flags */ \ - || defined(HAVE_LINUX_OS) /* tested -- compile with -lacl */ \ - || defined(HAVE_OSF1_OS) /* man page -- may need -lpacl */ \ - || defined(HAVE_SUN_OS) /* tested -- compile with -lsec */ \ - ) - -/* +#if !defined(HAVE_ACL) && !defined(HAVE_AFS_ACL) +/** * Entry points when compiled without support for ACLs or on an unsupported platform. */ -bool build_acl_streams(JCR *jcr, FF_PKT *ff_pkt) +bacl_exit_code build_acl_streams(JCR *jcr, FF_PKT *ff_pkt) { - Jmsg(jcr, M_FATAL, 0, _("ACL support not configured for your machine.\n")); - return false; + return bacl_exit_fatal; } -bool parse_acl_stream(JCR *jcr, int stream) +bacl_exit_code parse_acl_streams(JCR *jcr, int stream) { - Jmsg(jcr, M_FATAL, 0, _("ACL support not configured for your machine.\n")); - return false; + return bacl_exit_fatal; } - #else - -/* +/** * Send an ACL stream to the SD. */ -static bool send_acl_stream(JCR *jcr, int stream, int len) +static bacl_exit_code send_acl_stream(JCR *jcr, int stream) { BSOCK *sd = jcr->store_bsock; POOLMEM *msgsave; #ifdef FD_NO_SEND_TEST - return true; + return bacl_exit_ok; #endif - /* + /** + * Sanity check + */ + if (jcr->acl_data->content_length <= 0) { + return bacl_exit_ok; + } + + /** * Send header */ if (!sd->fsend("%ld %d 0", jcr->JobFiles, stream)) { Jmsg1(jcr, M_FATAL, 0, _("Network send error to SD. ERR=%s\n"), sd->bstrerror()); - - return false; + return bacl_exit_fatal; } - /* + /** * Send the buffer to the storage deamon */ - Dmsg1(400, "Backing up ACL <%s>\n", jcr->acl_data); + Dmsg1(400, "Backing up ACL <%s>\n", jcr->acl_data->content); msgsave = sd->msg; - sd->msg = jcr->acl_data; - sd->msglen = len + 1; + sd->msg = jcr->acl_data->content; + sd->msglen = jcr->acl_data->content_length + 1; if (!sd->send()) { sd->msg = msgsave; sd->msglen = 0; Jmsg1(jcr, M_FATAL, 0, _("Network send error to SD. ERR=%s\n"), sd->bstrerror()); - - return false; + return bacl_exit_fatal; } jcr->JobBytes += sd->msglen; @@ -132,48 +113,58 @@ static bool send_acl_stream(JCR *jcr, int stream, int len) if (!sd->signal(BNET_EOD)) { Jmsg1(jcr, M_FATAL, 0, _("Network send error to SD. ERR=%s\n"), sd->bstrerror()); - - return false; + return bacl_exit_fatal; } Dmsg1(200, "ACL of file: %s successfully backed up!\n", jcr->last_fname); - - return true; + return bacl_exit_ok; } +/** + * First the native ACLs. + */ +#if defined(HAVE_ACL) #if defined(HAVE_AIX_OS) #include -static bool aix_build_acl_streams(JCR *jcr, FF_PKT *ff_pkt) +/** + * Define the supported ACL streams for this OS + */ +static int os_access_acl_streams[1] = { STREAM_ACL_AIX_TEXT }; +static int os_default_acl_streams[1] = { -1 }; + +static bacl_exit_code aix_build_acl_streams(JCR *jcr, FF_PKT *ff_pkt) { char *acl_text; - int len; if ((acl_text = acl_get(jcr->last_fname)) != NULL) { - len = pm_strcpy(jcr->acl_data, acl_text); + jcr->acl_data->content_length = pm_strcpy(jcr->acl_data->content, acl_text); actuallyfree(acl_text); - - return send_acl_stream(jcr, STREAM_ACL_AIX_TEXT, len); + return send_acl_stream(jcr, STREAM_ACL_AIX_TEXT); } - - return false; + return bacl_exit_error; } -static bool aix_parse_acl_stream(JCR *jcr, int stream) +static bacl_exit_code aix_parse_acl_streams(JCR *jcr, int stream) { - if (acl_put(jcr->last_fname, jcr->acl_data, 0) != 0) { - return false; + if (acl_put(jcr->last_fname, jcr->acl_data->content, 0) != 0) { + return bacl_exit_error; } - - return true; + return bacl_exit_ok; } -#elif defined(HAVE_DARWIN_OS) \ - || defined(HAVE_FREEBSD_OS) \ - || defined(HAVE_IRIX_OS) \ - || defined(HAVE_OSF1_OS) \ - || defined(HAVE_LINUX_OS) +/** + * For this OS setup the build and parse function pointer to the OS specific functions. + */ +static bacl_exit_code (*os_build_acl_streams)(JCR *jcr, FF_PKT *ff_pkt) = aix_build_acl_streams; +static bacl_exit_code (*os_parse_acl_streams)(JCR *jcr, int stream) = aix_parse_acl_streams; + +#elif defined(HAVE_DARWIN_OS) || \ + defined(HAVE_FREEBSD_OS) || \ + defined(HAVE_IRIX_OS) || \ + defined(HAVE_OSF1_OS) || \ + defined(HAVE_LINUX_OS) #include @@ -183,12 +174,16 @@ static bool aix_parse_acl_stream(JCR *jcr, int stream) #error "configure failed to detect availability of sys/acl.h" #endif -/* On IRIX we can get shortened ACLs */ +/** + * On IRIX we can get shortened ACLs + */ #if defined(HAVE_IRIX_OS) && defined(BACL_WANT_SHORT_ACLS) #define acl_to_text(acl,len) acl_to_short_text((acl), (len)) #endif -/* In Linux we can get numeric and/or shorted ACLs */ +/** + * In Linux we can get numeric and/or shorted ACLs + */ #if defined(HAVE_LINUX_OS) #if defined(BACL_WANT_SHORT_ACLS) && defined(BACL_WANT_NUMERIC_IDS) #define BACL_ALTERNATE_TEXT (TEXT_ABBREVIATE|TEXT_NUMERIC_IDS) @@ -203,7 +198,7 @@ static bool aix_parse_acl_stream(JCR *jcr, int stream) #endif #endif -/* +/** * Some generic functions used by multiple OSes. */ static acl_type_t bac_to_os_acltype(bacl_type acltype) @@ -220,7 +215,7 @@ static acl_type_t bac_to_os_acltype(bacl_type acltype) #ifdef ACL_TYPE_DEFAULT_DIR case BACL_TYPE_DEFAULT_DIR: - /* + /** * OSF1 has an additional acl type named ACL_TYPE_DEFAULT_DIR. */ ostype = ACL_TYPE_DEFAULT_DIR; @@ -228,41 +223,31 @@ static acl_type_t bac_to_os_acltype(bacl_type acltype) #endif #ifdef ACL_TYPE_EXTENDED case BACL_TYPE_EXTENDED: - /* + /** * MacOSX has an additional acl type named ACL_TYPE_EXTENDED. */ ostype = ACL_TYPE_EXTENDED; break; #endif default: - /* - * This should never happen, as the per os version function only tries acl + /** + * This should never happen, as the per OS version function only tries acl * types supported on a certain platform. */ ostype = (acl_type_t)ACL_TYPE_NONE; break; } - return ostype; } -/* +#if !defined(HAVE_DARWIN_OS) +/** * See if an acl is a trivial one (e.g. just the stat bits encoded as acl.) * There is no need to store those acls as we already store the stat bits too. */ -#if defined(HAVE_DARWIN_OS) -static bool acl_is_trivial(acl_t acl) -{ - /* - * acl is trivial if it is empty. - */ -// return (acl_entries(acl) == 0); - return true; /* Allow to compile -- KES */ -} -#else /* FreeBSD, IRIX, OSF1, Linux */ static bool acl_is_trivial(acl_t acl) { - /* + /** * acl is trivial if it has only the following entries: * "user::", * "group::", @@ -270,29 +255,27 @@ static bool acl_is_trivial(acl_t acl) */ acl_entry_t ace; acl_tag_t tag; -#if defined(HAVE_FREEBSD_OS) || defined(HAVE_LINUX_OS) +#if defined(HAVE_FREEBSD_OS) || \ + defined(HAVE_LINUX_OS) int entry_available; entry_available = acl_get_entry(acl, ACL_FIRST_ENTRY, &ace); while (entry_available == 1) { - /* + /** * Get the tag type of this acl entry. * If we fail to get the tagtype we call the acl non-trivial. */ if (acl_get_tag_type(ace, &tag) < 0) - return false; - - /* + return true; + /** * Anything other the ACL_USER_OBJ, ACL_GROUP_OBJ or ACL_OTHER breaks the spell. */ if (tag != ACL_USER_OBJ && tag != ACL_GROUP_OBJ && tag != ACL_OTHER) return false; - entry_available = acl_get_entry(acl, ACL_NEXT_ENTRY, &ace); } - return true; #elif defined(HAVE_IRIX_OS) int n; @@ -301,15 +284,14 @@ static bool acl_is_trivial(acl_t acl) ace = &acl->acl_entry[n]; tag = ace->ae_tag; - /* + /** * Anything other the ACL_USER_OBJ, ACL_GROUP_OBJ or ACL_OTHER breaks the spell. */ if (tag != ACL_USER_OBJ && tag != ACL_GROUP_OBJ && - tag != ACL_OTHER) + tag != ACL_OTHER_OBJ) return false; } - return true; #elif defined(HAVE_OSF1_OS) int count; @@ -319,46 +301,42 @@ static bool acl_is_trivial(acl_t acl) while (count > 0) { tag = ace->entry->acl_type; - - /* + /** * Anything other the ACL_USER_OBJ, ACL_GROUP_OBJ or ACL_OTHER breaks the spell. */ if (tag != ACL_USER_OBJ && tag != ACL_GROUP_OBJ && tag != ACL_OTHER) return false; - - /* + /** * On Tru64, perm can also contain non-standard bits such as * PERM_INSERT, PERM_DELETE, PERM_MODIFY, PERM_LOOKUP, ... */ if ((ace->entry->acl_perm & ~(ACL_READ | ACL_WRITE | ACL_EXECUTE))) return false; - ace = ace->next; count--; } - return true; #endif } #endif -/* +/** * Generic wrapper around acl_get_file call. */ -static int generic_get_acl_from_os(JCR *jcr, bacl_type acltype) +static bacl_exit_code generic_get_acl_from_os(JCR *jcr, bacl_type acltype) { acl_t acl; - int len; acl_type_t ostype; char *acl_text; + berrno be; ostype = bac_to_os_acltype(acltype); acl = acl_get_file(jcr->last_fname, ostype); if (acl) { #if defined(HAVE_IRIX_OS) - /* + /** * From observation, IRIX's acl_get_file() seems to return a * non-NULL acl with a count field of -1 when a file has no ACL * defined, while IRIX's acl_to_text() returns NULL when presented @@ -371,153 +349,177 @@ static int generic_get_acl_from_os(JCR *jcr, bacl_type acltype) * to acl_to_text() besides. */ if (acl->acl_cnt <= 0) { - pm_strcpy(jcr->acl_data, ""); + pm_strcpy(jcr->acl_data->content, ""); + jcr->acl_data->content_length = 0; acl_free(acl); - return 0; + return bacl_exit_ok; } #endif - /* +#if !defined(HAVE_DARWIN_OS) + /** * Make sure this is not just a trivial ACL. */ - if ((acltype == BACL_TYPE_ACCESS || - acltype == BACL_TYPE_EXTENDED) && - acl_is_trivial(acl)) { - /* + if (acltype == BACL_TYPE_ACCESS && acl_is_trivial(acl)) { + /** * The ACLs simply reflect the (already known) standard permissions * So we don't send an ACL stream to the SD. */ - pm_strcpy(jcr->acl_data, ""); + pm_strcpy(jcr->acl_data->content, ""); + jcr->acl_data->content_length = 0; acl_free(acl); - return 0; + return bacl_exit_ok; } +#endif if ((acl_text = acl_to_text(acl, NULL)) != NULL) { - len = pm_strcpy(jcr->acl_data, acl_text); + jcr->acl_data->content_length = pm_strcpy(jcr->acl_data->content, acl_text); acl_free(acl); acl_free(acl_text); - - return len; + return bacl_exit_ok; } - berrno be; - Jmsg2(jcr, M_ERROR, 0, _("acl_to_text error on file \"%s\": ERR=%s\n"), - jcr->last_fname, be.bstrerror()); + Mmsg2(jcr->errmsg, _("acl_to_text error on file \"%s\": ERR=%s\n"), + jcr->last_fname, be.bstrerror()); Dmsg2(100, "acl_to_text error file=%s ERR=%s\n", - jcr->last_fname, be.bstrerror()); + jcr->last_fname, be.bstrerror()); - pm_strcpy(jcr->acl_data, ""); + pm_strcpy(jcr->acl_data->content, ""); + jcr->acl_data->content_length = 0; acl_free(acl); - - return -1; + return bacl_exit_error; } - /* + /** * Handle errors gracefully. */ - switch (errno) { + if (acl == (acl_t)NULL) { + switch (errno) { #if defined(BACL_ENOTSUP) - case BACL_ENOTSUP: - /* - * Not supported, just pretend there is nothing to see - */ - pm_strcpy(jcr->acl_data, ""); - return 0; + case BACL_ENOTSUP: + /** + * If the filesystem reports it doesn't support ACLs we clear the + * BACL_FLAG_SAVE_NATIVE flag so we skip ACL saves on all other files + * on the same filesystem. The BACL_FLAG_SAVE_NATIVE flag gets set again + * when we change from one filesystem to an other. + */ + jcr->acl_data->flags &= ~BACL_FLAG_SAVE_NATIVE; + break; /* not supported */ #endif - default: - berrno be; - Jmsg2(jcr, M_ERROR, 0, _("acl_get_file error on file \"%s\": ERR=%s\n"), - jcr->last_fname, be.bstrerror()); - Dmsg2(100, "acl_get_file error file=%s ERR=%s\n", - jcr->last_fname, be.bstrerror()); - - pm_strcpy(jcr->acl_data, ""); - return -1; + case ENOENT: + pm_strcpy(jcr->acl_data->content, ""); + jcr->acl_data->content_length = 0; + return bacl_exit_ok; + default: + /* Some real error */ + Mmsg2(jcr->errmsg, _("acl_get_file error on file \"%s\": ERR=%s\n"), + jcr->last_fname, be.bstrerror()); + Dmsg2(100, "acl_get_file error file=%s ERR=%s\n", + jcr->last_fname, be.bstrerror()); + + pm_strcpy(jcr->acl_data->content, ""); + jcr->acl_data->content_length = 0; + return bacl_exit_error; + } } + + /** + * Not supported, just pretend there is nothing to see + */ + pm_strcpy(jcr->acl_data->content, ""); + jcr->acl_data->content_length = 0; + return bacl_exit_ok; } -/* +/** * Generic wrapper around acl_set_file call. */ -static bool generic_set_acl_on_os(JCR *jcr, bacl_type acltype) +static bacl_exit_code generic_set_acl_on_os(JCR *jcr, bacl_type acltype) { acl_t acl; acl_type_t ostype; + berrno be; - /* + /** * If we get empty default ACLs, clear ACLs now */ ostype = bac_to_os_acltype(acltype); - if (ostype == ACL_TYPE_DEFAULT && strlen(jcr->acl_data) == 0) { + if (ostype == ACL_TYPE_DEFAULT && strlen(jcr->acl_data->content) == 0) { if (acl_delete_def_file(jcr->last_fname) == 0) { - return true; + return bacl_exit_ok; + } + switch (errno) { + case ENOENT: + return bacl_exit_ok; + default: + Mmsg2(jcr->errmsg, _("acl_delete_def_file error on file \"%s\": ERR=%s\n"), + jcr->last_fname, be.bstrerror()); + return bacl_exit_error; } - berrno be; - Jmsg2(jcr, M_ERROR, 0, _("acl_delete_def_file error on file \"%s\": ERR=%s\n"), - jcr->last_fname, be.bstrerror()); - - return false; } - acl = acl_from_text(jcr->acl_data); + acl = acl_from_text(jcr->acl_data->content); if (acl == NULL) { - berrno be; - Jmsg2(jcr, M_ERROR, 0, _("acl_from_text error on file \"%s\": ERR=%s\n"), - jcr->last_fname, be.bstrerror()); + Mmsg2(jcr->errmsg, _("acl_from_text error on file \"%s\": ERR=%s\n"), + jcr->last_fname, be.bstrerror()); Dmsg3(100, "acl_from_text error acl=%s file=%s ERR=%s\n", - jcr->acl_data, jcr->last_fname, be.bstrerror()); - - return false; + jcr->acl_data->content, jcr->last_fname, be.bstrerror()); + return bacl_exit_error; } - /* +#ifndef HAVE_FREEBSD_OS + /** * FreeBSD always fails acl_valid() - at least on valid input... * As it does the right thing, given valid input, just ignore acl_valid(). */ -#ifndef HAVE_FREEBSD_OS if (acl_valid(acl) != 0) { - berrno be; - Jmsg2(jcr, M_ERROR, 0, _("ac_valid error on file \"%s\": ERR=%s\n"), - jcr->last_fname, be.bstrerror()); + Mmsg2(jcr->errmsg, _("acl_valid error on file \"%s\": ERR=%s\n"), + jcr->last_fname, be.bstrerror()); Dmsg3(100, "acl_valid error acl=%s file=%s ERR=%s\n", - jcr->acl_data, jcr->last_fname, be.bstrerror()); + jcr->acl_data->content, jcr->last_fname, be.bstrerror()); acl_free(acl); - - return false; + return bacl_exit_error; } #endif - /* + /** * Restore the ACLs, but don't complain about links which really should * not have attributes, and the file it is linked to may not yet be restored. * This is only true for the old acl streams as in the new implementation we * don't save acls of symlinks (which cannot have acls anyhow) */ if (acl_set_file(jcr->last_fname, ostype, acl) != 0 && jcr->last_type != FT_LNK) { - berrno be; - Jmsg2(jcr, M_ERROR, 0, _("acl_set_file error on file \"%s\": ERR=%s\n"), - jcr->last_fname, be.bstrerror()); - Dmsg3(100, "acl_set_file error acl=%s file=%s ERR=%s\n", - jcr->acl_data, jcr->last_fname, be.bstrerror()); - acl_free(acl); - - return false; + switch (errno) { + case ENOENT: + acl_free(acl); + return bacl_exit_ok; + default: + Mmsg2(jcr->errmsg, _("acl_set_file error on file \"%s\": ERR=%s\n"), + jcr->last_fname, be.bstrerror()); + Dmsg3(100, "acl_set_file error acl=%s file=%s ERR=%s\n", + jcr->acl_data->content, jcr->last_fname, be.bstrerror()); + acl_free(acl); + return bacl_exit_error; + } } acl_free(acl); - - return true; + return bacl_exit_ok; } -/* +/** * OS specific functions for handling different types of acl streams. */ #if defined(HAVE_DARWIN_OS) -static bool darwin_build_acl_streams(JCR *jcr, FF_PKT *ff_pkt) -{ - int len; +/** + * Define the supported ACL streams for this OS + */ +static int os_access_acl_streams[1] = { STREAM_ACL_DARWIN_ACCESS_ACL }; +static int os_default_acl_streams[1] = { -1 }; +static bacl_exit_code darwin_build_acl_streams(JCR *jcr, FF_PKT *ff_pkt) +{ #if defined(ACL_TYPE_EXTENDED) - /* + /** * On MacOS X, acl_get_file (name, ACL_TYPE_ACCESS) * and acl_get_file (name, ACL_TYPE_DEFAULT) * always return NULL / EINVAL. There is no point in making @@ -526,227 +528,180 @@ static bool darwin_build_acl_streams(JCR *jcr, FF_PKT *ff_pkt) * * Read access ACLs for files, dirs and links */ - if ((len = generic_get_acl_from_os(jcr, BACL_TYPE_EXTENDED)) < 0) - return false; + if (generic_get_acl_from_os(jcr, BACL_TYPE_EXTENDED) == bacl_exit_fatal) + return bacl_exit_fatal; #else - /* + /** * Read access ACLs for files, dirs and links */ - if ((len = generic_get_acl_from_os(jcr, BACL_TYPE_ACCESS)) < 0) - return false; + if (generic_get_acl_from_os(jcr, BACL_TYPE_ACCESS) == bacl_exit_fatal) + return bacl_exit_fatal; #endif - if (len > 0) { - if (!send_acl_stream(jcr, STREAM_ACL_DARWIN_ACCESS_ACL_T, len)) - return false; + if (jcr->acl_data->content_length > 0) { + return send_acl_stream(jcr, STREAM_ACL_DARWIN_ACCESS_ACL); } - - return true; + return bacl_exit_ok; } -static bool darwin_parse_acl_stream(JCR *jcr, int stream) +static bacl_exit_code darwin_parse_acl_streams(JCR *jcr, int stream) { - switch (stream) { - case STREAM_UNIX_ACCESS_ACL: - case STREAM_ACL_DARWIN_ACCESS_ACL_T: +#if defined(ACL_TYPE_EXTENDED) + return generic_set_acl_on_os(jcr, BACL_TYPE_EXTENDED); +#else return generic_set_acl_on_os(jcr, BACL_TYPE_ACCESS); - } - - return false; +#endif } -#elif defined(HAVE_FREEBSD_OS) -static bool freebsd_build_acl_streams(JCR *jcr, FF_PKT *ff_pkt) -{ - int len; - - /* - * Read access ACLs for files, dirs and links - */ - if ((len = generic_get_acl_from_os(jcr, BACL_TYPE_ACCESS)) < 0) - return false; - - if (len > 0) { - if (!send_acl_stream(jcr, STREAM_ACL_FREEBSD_ACCESS_ACL_T, len)) - return false; - } - - /* - * Directories can have default ACLs too - */ - if (ff_pkt->type == FT_DIREND) { - if ((len = generic_get_acl_from_os(jcr, BACL_TYPE_DEFAULT)) < 0) - return false; - if (len > 0) { - if (!send_acl_stream(jcr, STREAM_ACL_FREEBSD_DEFAULT_ACL_T, len)) - return false; - } - } - - return true; -} +/** + * For this OS setup the build and parse function pointer to the OS specific functions. + */ +static bacl_exit_code (*os_build_acl_streams)(JCR *jcr, FF_PKT *ff_pkt) = darwin_build_acl_streams; +static bacl_exit_code (*os_parse_acl_streams)(JCR *jcr, int stream) = darwin_parse_acl_streams; -static bool freebsd_parse_acl_stream(JCR *jcr, int stream) -{ - switch (stream) { - case STREAM_UNIX_ACCESS_ACL: - case STREAM_ACL_FREEBSD_ACCESS_ACL_T: - return generic_set_acl_on_os(jcr, BACL_TYPE_ACCESS); - case STREAM_UNIX_DEFAULT_ACL: - case STREAM_ACL_FREEBSD_DEFAULT_ACL_T: - return generic_set_acl_on_os(jcr, BACL_TYPE_DEFAULT); - } +#elif defined(HAVE_FREEBSD_OS) || \ + defined(HAVE_IRIX_OS) || \ + defined(HAVE_LINUX_OS) - return false; -} +/** + * Define the supported ACL streams for these OSes + */ +#if defined(HAVE_FREEBSD_OS) +static int os_access_acl_streams[1] = { STREAM_ACL_FREEBSD_ACCESS_ACL }; +static int os_default_acl_streams[1] = { STREAM_ACL_FREEBSD_DEFAULT_ACL }; #elif defined(HAVE_IRIX_OS) -static bool irix_build_acl_streams(JCR *jcr, FF_PKT *ff_pkt) -{ - int len; +static int os_access_acl_streams[1] = { STREAM_ACL_IRIX_ACCESS_ACL }; +static int os_default_acl_streams[1] = { STREAM_ACL_IRIX_DEFAULT_ACL }; +#elif defined(HAVE_LINUX_OS) +static int os_access_acl_streams[1] = { STREAM_ACL_LINUX_ACCESS_ACL }; +static int os_default_acl_streams[1] = { STREAM_ACL_LINUX_DEFAULT_ACL }; +#endif - /* +static bacl_exit_code generic_build_acl_streams(JCR *jcr, FF_PKT *ff_pkt) +{ + /** * Read access ACLs for files, dirs and links */ - if ((len = generic_get_acl_from_os(jcr, BACL_TYPE_ACCESS)) < 0) - return false; + if (generic_get_acl_from_os(jcr, BACL_TYPE_ACCESS) == bacl_exit_fatal) + return bacl_exit_fatal; - if (len > 0) { - if (!send_acl_stream(jcr, STREAM_ACL_IRIX_ACCESS_ACL_T, len)) - return false; + if (jcr->acl_data->content_length > 0) { + if (send_acl_stream(jcr, os_access_acl_streams[0]) == bacl_exit_fatal) + return bacl_exit_fatal; } - /* + /** * Directories can have default ACLs too */ if (ff_pkt->type == FT_DIREND) { - if ((len = generic_get_acl_from_os(jcr, BACL_TYPE_DEFAULT)) < 0) - return false; - - if (len > 0) { - if (!send_acl_stream(jcr, STREAM_ACL_IRIX_DEFAULT_ACL_T, len)) - return false; + if (generic_get_acl_from_os(jcr, BACL_TYPE_DEFAULT) == bacl_exit_fatal) + return bacl_exit_fatal; + if (jcr->acl_data->content_length > 0) { + if (send_acl_stream(jcr, os_default_acl_streams[0]) == bacl_exit_fatal) + return bacl_exit_fatal; } } - - return true; + return bacl_exit_ok; } -static bool irix_parse_acl_stream(JCR *jcr, int stream) +static bacl_exit_code generic_parse_acl_streams(JCR *jcr, int stream) { + unsigned int cnt; + switch (stream) { case STREAM_UNIX_ACCESS_ACL: - case STREAM_ACL_IRIX_ACCESS_ACL_T: return generic_set_acl_on_os(jcr, BACL_TYPE_ACCESS); case STREAM_UNIX_DEFAULT_ACL: - case STREAM_ACL_IRIX_DEFAULT_ACL_T: return generic_set_acl_on_os(jcr, BACL_TYPE_DEFAULT); - } - - return false; -} -#elif defined(HAVE_LINUX_OS) -static bool linux_build_acl_streams(JCR *jcr, FF_PKT *ff_pkt) -{ - int len; - - /* - * Read access ACLs for files, dirs and links - */ - if ((len = generic_get_acl_from_os(jcr, BACL_TYPE_ACCESS)) < 0) - return false; - - if (len > 0) { - if (!send_acl_stream(jcr, STREAM_ACL_LINUX_ACCESS_ACL_T, len)) - return false; - } - - /* - * Directories can have default ACLs too - */ - if (ff_pkt->type == FT_DIREND) { - if ((len = generic_get_acl_from_os(jcr, BACL_TYPE_DEFAULT)) < 0) - return false; - - if (len > 0) { - if (!send_acl_stream(jcr, STREAM_ACL_LINUX_DEFAULT_ACL_T, len)) - return false; + default: + /** + * See what type of acl it is. + */ + for (cnt = 0; cnt < sizeof(os_access_acl_streams) / sizeof(int); cnt++) { + if (os_access_acl_streams[cnt] == stream) { + return generic_set_acl_on_os(jcr, BACL_TYPE_ACCESS); + } + } + for (cnt = 0; cnt < sizeof(os_default_acl_streams) / sizeof(int); cnt++) { + if (os_default_acl_streams[cnt] == stream) { + return generic_set_acl_on_os(jcr, BACL_TYPE_DEFAULT); + } } + break; } - - return true; + return bacl_exit_error; } -static bool linux_parse_acl_stream(JCR *jcr, int stream) -{ - switch (stream) { - case STREAM_UNIX_ACCESS_ACL: - case STREAM_ACL_LINUX_ACCESS_ACL_T: - return generic_set_acl_on_os(jcr, BACL_TYPE_ACCESS); - case STREAM_UNIX_DEFAULT_ACL: - case STREAM_ACL_LINUX_DEFAULT_ACL_T: - return generic_set_acl_on_os(jcr, BACL_TYPE_DEFAULT); - } +/** + * For this OSes setup the build and parse function pointer to the OS specific functions. + */ +static bacl_exit_code (*os_build_acl_streams)(JCR *jcr, FF_PKT *ff_pkt) = generic_build_acl_streams; +static bacl_exit_code (*os_parse_acl_streams)(JCR *jcr, int stream) = generic_parse_acl_streams; - return false; -} #elif defined(HAVE_OSF1_OS) -static bool tru64_build_acl_streams(JCR *jcr, FF_PKT *ff_pkt) -{ - int len; - /* +/** + * Define the supported ACL streams for this OS + */ +static int os_access_acl_streams[1] = { STREAM_ACL_TRU64_ACCESS_ACL }; +static int os_default_acl_streams[2] = { STREAM_ACL_TRU64_DEFAULT_ACL, STREAM_ACL_TRU64_DEFAULT_DIR_ACL }; + +static bacl_exit_code tru64_build_acl_streams(JCR *jcr, FF_PKT *ff_pkt) +{ + /** * Read access ACLs for files, dirs and links */ - if ((len = generic_get_acl_from_os(jcr, BACL_TYPE_ACCESS)) < 0) - return false; - - if (len > 0) { - if (!send_acl_stream(jcr, STREAM_ACL_TRU64_ACCESS_ACL_T, len)) - return false; + if ((jcr->acl_data->content_length = generic_get_acl_from_os(jcr, BACL_TYPE_ACCESS)) < 0) + return bacl_exit_error; + if (jcr->acl_data->content_length > 0) { + if (!send_acl_stream(jcr, STREAM_ACL_TRU64_ACCESS_ACL)) + return bacl_exit_error; } - - /* + /** * Directories can have default ACLs too */ if (ff_pkt->type == FT_DIREND) { - if ((len = generic_get_acl_from_os(jcr, BACL_TYPE_DEFAULT)) < 0) - return false; - - if (len > 0) { - if (!send_acl_stream(jcr, STREAM_ACL_TRU64_DEFAULT_ACL_T, len)) - return false; + if ((jcr->acl_data->content_length = generic_get_acl_from_os(jcr, BACL_TYPE_DEFAULT)) < 0) + return bacl_exit_error; + if (jcr->acl_data->content_length > 0) { + if (!send_acl_stream(jcr, STREAM_ACL_TRU64_DEFAULT_ACL)) + return bacl_exit_error; } - - /* + /** * Tru64 has next to BACL_TYPE_DEFAULT also BACL_TYPE_DEFAULT_DIR acls. * This is an inherited acl for all subdirs. * See http://www.helsinki.fi/atk/unix/dec_manuals/DOC_40D/AQ0R2DTE/DOCU_018.HTM * Section 21.5 Default ACLs */ - if ((len = generic_get_acl_from_os(jcr, BACL_TYPE_DEFAULT_DIR)) < 0) - return false; - - if (len > 0) { - if (!send_acl_stream(jcr, STREAM_ACL_TRU64_DEFAULT_DIR_ACL_T, len)) - return false; + if ((jcr->acl_data->content_length = generic_get_acl_from_os(jcr, BACL_TYPE_DEFAULT_DIR)) < 0) + return bacl_exit_error; + if (jcr->acl_data->content_length > 0) { + if (!send_acl_stream(jcr, STREAM_ACL_TRU64_DEFAULT_DIR_ACL)) + return bacl_exit_error; } } - - return true; + return bacl_exit_ok; } -static bool tru64_parse_acl_stream(JCR *jcr, int stream) +static bacl_exit_code tru64_parse_acl_streams(JCR *jcr, int stream) { switch (stream) { case STREAM_UNIX_ACCESS_ACL: - case STREAM_ACL_TRU64_ACCESS_ACL_T: + case STREAM_ACL_TRU64_ACCESS_ACL: return generic_set_acl_on_os(jcr, BACL_TYPE_ACCESS); case STREAM_UNIX_DEFAULT_ACL: - case STREAM_ACL_TRU64_DEFAULT_ACL_T: + case STREAM_ACL_TRU64_DEFAULT_ACL: return generic_set_acl_on_os(jcr, BACL_TYPE_DEFAULT); - case STREAM_ACL_TRU64_DEFAULT_DIR_ACL_T: + case STREAM_ACL_TRU64_DEFAULT_DIR_ACL: return generic_set_acl_on_os(jcr, BACL_TYPE_DEFAULT_DIR); } + +/** + * For this OS setup the build and parse function pointer to the OS specific functions. + */ +static bacl_exit_code (*os_build_acl_streams)(JCR *jcr, FF_PKT *ff_pkt) = tru64_build_acl_streams; +static bacl_exit_code (*os_parse_acl_streams)(JCR *jcr, int stream) = tru64_parse_acl_streams; + #endif #elif defined(HAVE_HPUX_OS) @@ -758,7 +713,13 @@ static bool tru64_parse_acl_stream(JCR *jcr, int stream) #include -/* +/** + * Define the supported ACL streams for this OS + */ +static int os_access_acl_streams[1] = { STREAM_ACL_HPUX_ACL_ENTRY }; +static int os_default_acl_streams[1] = { -1 }; + +/** * See if an acl is a trivial one (e.g. just the stat bits encoded as acl.) * There is no need to store those acls as we already store the stat bits too. */ @@ -769,8 +730,7 @@ static bool acl_is_trivial(int count, struct acl_entry *entries, struct stat sb) for (n = 0; n < count; n++) { ace = entries[n]; - - /* + /** * See if this acl just is the stat mode in acl form. */ if (!((ace.uid == sb.st_uid && ace.gid == ACL_NSGROUP) || @@ -778,118 +738,130 @@ static bool acl_is_trivial(int count, struct acl_entry *entries, struct stat sb) (ace.uid == ACL_NSUSER && ace.gid == ACL_NSGROUP))) return false; } - return true; } -/* +/** * OS specific functions for handling different types of acl streams. */ -static bool hpux_build_acl_streams(JCR *jcr, FF_PKT *ff_pkt) +static bacl_exit_code hpux_build_acl_streams(JCR *jcr, FF_PKT *ff_pkt) { - int n, len; + int n; struct acl_entry acls[NACLENTRIES]; char *acl_text; + berrno be; if ((n = getacl(jcr->last_fname, 0, acls)) < 0) { - switch(errno) { + switch (errno) { #if defined(BACL_ENOTSUP) case BACL_ENOTSUP: - /* + /** * Not supported, just pretend there is nothing to see + * + * If the filesystem reports it doesn't support ACLs we clear the + * BACL_FLAG_SAVE_NATIVE flag so we skip ACL saves on all other files + * on the same filesystem. The BACL_FLAG_SAVE_NATIVE flag gets set again + * when we change from one filesystem to an other. */ - pm_strcpy(jcr->acl_data, ""); - return true; + jcr->acl_data->flags &= ~BACL_FLAG_SAVE_NATIVE; + pm_strcpy(jcr->acl_data->content, ""); + jcr->acl_data->content_length = 0; + return bacl_exit_ok; #endif + case ENOENT: + pm_strcpy(jcr->acl_data->content, ""); + jcr->acl_data->content_length = 0; + return bacl_exit_ok; default: - berrno be; - Jmsg2(jcr, M_ERROR, 0, _("getacl error on file \"%s\": ERR=%s\n"), - jcr->last_fname, be.bstrerror()); + Mmsg2(jcr->errmsg, _("getacl error on file \"%s\": ERR=%s\n"), + jcr->last_fname, be.bstrerror()); Dmsg2(100, "getacl error file=%s ERR=%s\n", - jcr->last_fname, be.bstrerror()); + jcr->last_fname, be.bstrerror()); - pm_strcpy(jcr->acl_data, ""); - return false; + pm_strcpy(jcr->acl_data->content, ""); + jcr->acl_data->content_length = 0; + return bacl_exit_error; } } - if (n == 0) { - pm_strcpy(jcr->acl_data, ""); - return true; + pm_strcpy(jcr->acl_data->content, ""); + jcr->acl_data->content_length = 0; + return bacl_exit_ok; } - if ((n = getacl(jcr->last_fname, n, acls)) > 0) { if (acl_is_trivial(n, acls, ff_pkt->statp)) { - /* + /** * The ACLs simply reflect the (already known) standard permissions * So we don't send an ACL stream to the SD. */ - pm_strcpy(jcr->acl_data, ""); - return true; + pm_strcpy(jcr->acl_data->content, ""); + jcr->acl_data->content_length = 0; + return bacl_exit_ok; } - if ((acl_text = acltostr(n, acls, FORM_SHORT)) != NULL) { - len = pm_strcpy(jcr->acl_data, acl_text); + jcr->acl_data->content_length = pm_strcpy(jcr->acl_data->content, acl_text); actuallyfree(acl_text); - return send_acl_stream(jcr, STREAM_ACL_HPUX_ACL_ENTRY, len); + return send_acl_stream(jcr, STREAM_ACL_HPUX_ACL_ENTRY); } - - berrno be; - Jmsg2(jcr, M_ERROR, 0, _("acltostr error on file \"%s\": ERR=%s\n"), - jcr->last_fname, be.bstrerror()); + Mmsg2(jcr->errmsg, _("acltostr error on file \"%s\": ERR=%s\n"), + jcr->last_fname, be.bstrerror()); Dmsg3(100, "acltostr error acl=%s file=%s ERR=%s\n", - jcr->acl_data, jcr->last_fname, be.bstrerror()); - - return false; + jcr->acl_data->content, jcr->last_fname, be.bstrerror()); + return bacl_exit_error; } - - return false; + return bacl_exit_error; } -static bool hpux_parse_acl_stream(JCR *jcr, int stream) +static bacl_exit_code hpux_parse_acl_streams(JCR *jcr, int stream) { int n, stat; struct acl_entry acls[NACLENTRIES]; + berrno be; - n = strtoacl(jcr->acl_data, 0, NACLENTRIES, acls, ACL_FILEOWNER, ACL_FILEGROUP); + n = strtoacl(jcr->acl_data->content, 0, NACLENTRIES, acls, ACL_FILEOWNER, ACL_FILEGROUP); if (n <= 0) { - berrno be; - Jmsg2(jcr, M_ERROR, 0, _("strtoacl error on file \"%s\": ERR=%s\n"), - jcr->last_fname, be.bstrerror()); + Mmsg2(jcr->errmsg, _("strtoacl error on file \"%s\": ERR=%s\n"), + jcr->last_fname, be.bstrerror()); Dmsg3(100, "strtoacl error acl=%s file=%s ERR=%s\n", - jcr->acl_data, jcr->last_fname, be.bstrerror()); - - return false; + jcr->acl_data->content, jcr->last_fname, be.bstrerror()); + return bacl_exit_error; } - if (strtoacl(jcr->acl_data, n, NACLENTRIES, acls, ACL_FILEOWNER, ACL_FILEGROUP) != n) { - berrno be; - Jmsg2(jcr, M_ERROR, 0, _("strtoacl error on file \"%s\": ERR=%s\n"), - jcr->last_fname, be.bstrerror()); + if (strtoacl(jcr->acl_data->content, n, NACLENTRIES, acls, ACL_FILEOWNER, ACL_FILEGROUP) != n) { + Mmsg2(jcr->errmsg, _("strtoacl error on file \"%s\": ERR=%s\n"), + jcr->last_fname, be.bstrerror()); Dmsg3(100, "strtoacl error acl=%s file=%s ERR=%s\n", - jcr->acl_data, jcr->last_fname, be.bstrerror()); + jcr->acl_data->content, jcr->last_fname, be.bstrerror()); - return false; + return bacl_exit_error; } - /* + /** * Restore the ACLs, but don't complain about links which really should * not have attributes, and the file it is linked to may not yet be restored. * This is only true for the old acl streams as in the new implementation we * don't save acls of symlinks (which cannot have acls anyhow) */ if (setacl(jcr->last_fname, n, acls) != 0 && jcr->last_type != FT_LNK) { - berrno be; - Jmsg2(jcr, M_ERROR, 0, _("setacl error on file \"%s\": ERR=%s\n"), - jcr->last_fname, be.bstrerror()); - Dmsg3(100, "setacl error acl=%s file=%s ERR=%s\n", - jcr->acl_data, jcr->last_fname, be.bstrerror()); - - return false; + switch (errno) { + case ENOENT: + return bacl_exit_ok; + default: + Mmsg2(jcr->errmsg, _("setacl error on file \"%s\": ERR=%s\n"), + jcr->last_fname, be.bstrerror()); + Dmsg3(100, "setacl error acl=%s file=%s ERR=%s\n", + jcr->acl_data->content, jcr->last_fname, be.bstrerror()); + return bacl_exit_error; + } } - - return true; + return bacl_exit_ok; } +/** + * For this OS setup the build and parse function pointer to the OS specific functions. + */ +static bacl_exit_code (*os_build_acl_streams)(JCR *jcr, FF_PKT *ff_pkt) = hpux_build_acl_streams; +static bacl_exit_code (*os_parse_acl_streams)(JCR *jcr, int stream) = hpux_parse_acl_streams; + #elif defined(HAVE_SUN_OS) #ifdef HAVE_SYS_ACL_H #include @@ -898,14 +870,14 @@ static bool hpux_parse_acl_stream(JCR *jcr, int stream) #endif #if defined(HAVE_EXTENDED_ACL) -/* +/** * We define some internals of the Solaris acl libs here as those * are not exposed yet. Probably because they want us to see the * acls as opague data. But as we need to support different platforms * and versions of Solaris we need to expose some data to be able * to determine the type of acl used to stuff it into the correct * data stream. I know this is far from portable, but maybe the - * propper interface is exposed later on and we can get ride of + * proper interface is exposed later on and we can get ride of * this kludge. Newer versions of Solaris include sys/acl_impl.h * which has implementation details of acls, if thats included we * don't have to define it ourself. @@ -917,7 +889,7 @@ typedef enum acl_type { } acl_type_t; #endif -/* +/** * Two external references to functions in the libsec library function not in current include files. */ extern "C" { @@ -925,53 +897,85 @@ int acl_type(acl_t *); char *acl_strerror(int); } -/* +/** + * Define the supported ACL streams for this OS + */ +static int os_access_acl_streams[2] = { STREAM_ACL_SOLARIS_ACLENT, STREAM_ACL_SOLARIS_ACE }; +static int os_default_acl_streams[1] = { -1 }; + +/** * As the new libsec interface with acl_totext and acl_fromtext also handles * the old format from acltotext we can use the new functions even * for acls retrieved and stored in the database with older fd versions. If the * new interface is not defined (Solaris 9 and older we fall back to the old code) */ -static bool solaris_build_acl_streams(JCR *jcr, FF_PKT *ff_pkt) +static bacl_exit_code solaris_build_acl_streams(JCR *jcr, FF_PKT *ff_pkt) { - int len, flags; + int acl_enabled, flags; acl_t *aclp; char *acl_text; - bool stream_status = false; + bacl_exit_code stream_status = bacl_exit_error; + berrno be; - /* + /** + * See if filesystem supports acls. + */ + acl_enabled = pathconf(jcr->last_fname, _PC_ACL_ENABLED); + switch (acl_enabled) { + case 0: + /** + * If the filesystem reports it doesn't support ACLs we clear the + * BACL_FLAG_SAVE_NATIVE flag so we skip ACL saves on all other files + * on the same filesystem. The BACL_FLAG_SAVE_NATIVE flag gets set again + * when we change from one filesystem to an other. + */ + jcr->acl_data->flags &= ~BACL_FLAG_SAVE_NATIVE; + pm_strcpy(jcr->acl_data->content, ""); + jcr->acl_data->content_length = 0; + return bacl_exit_ok; + case -1: + switch (errno) { + case ENOENT: + return bacl_exit_ok; + default: + Mmsg2(jcr->errmsg, _("pathconf error on file \"%s\": ERR=%s\n"), + jcr->last_fname, be.bstrerror()); + Dmsg2(100, "pathconf error file=%s ERR=%s\n", + jcr->last_fname, be.bstrerror()); + return bacl_exit_error; + } + default: + break; + } + + /** * Get ACL info: don't bother allocating space if there is only a trivial ACL. */ if (acl_get(jcr->last_fname, ACL_NO_TRIVIAL, &aclp) != 0) { switch (errno) { -#if defined(BACL_ENOTSUP) - case BACL_ENOTSUP: - /* - * Not supported, just pretend there is nothing to see - */ - pm_strcpy(jcr->acl_data, ""); - return true; -#endif + case ENOENT: + return bacl_exit_ok; default: - Jmsg2(jcr, M_ERROR, 0, _("acl_get error on file \"%s\": ERR=%s\n"), - jcr->last_fname, acl_strerror(errno)); + Mmsg2(jcr->errmsg, _("acl_get error on file \"%s\": ERR=%s\n"), + jcr->last_fname, acl_strerror(errno)); Dmsg2(100, "acl_get error file=%s ERR=%s\n", - jcr->last_fname, acl_strerror(errno)); - - return false; + jcr->last_fname, acl_strerror(errno)); + return bacl_exit_error; } } - if (aclp == NULL) { - /* + if (!aclp) { + /** * The ACLs simply reflect the (already known) standard permissions * So we don't send an ACL stream to the SD. */ - pm_strcpy(jcr->acl_data, ""); - return true; + pm_strcpy(jcr->acl_data->content, ""); + jcr->acl_data->content_length = 0; + return bacl_exit_ok; } #if defined(ACL_SID_FMT) - /* + /** * New format flag added in newer Solaris versions. */ flags = ACL_APPEND_ID | ACL_COMPACT_FMT | ACL_SID_FMT; @@ -980,15 +984,15 @@ static bool solaris_build_acl_streams(JCR *jcr, FF_PKT *ff_pkt) #endif /* ACL_SID_FMT */ if ((acl_text = acl_totext(aclp, flags)) != NULL) { - len = pm_strcpy(jcr->acl_data, acl_text); + jcr->acl_data->content_length = pm_strcpy(jcr->acl_data->content, acl_text); actuallyfree(acl_text); switch (acl_type(aclp)) { case ACLENT_T: - stream_status = send_acl_stream(jcr, STREAM_ACL_SOLARIS_ACLENT_T, len); + stream_status = send_acl_stream(jcr, STREAM_ACL_SOLARIS_ACLENT); break; case ACE_T: - stream_status = send_acl_stream(jcr, STREAM_ACL_SOLARIS_ACE_T, len); + stream_status = send_acl_stream(jcr, STREAM_ACL_SOLARIS_ACE); break; default: break; @@ -996,76 +1000,143 @@ static bool solaris_build_acl_streams(JCR *jcr, FF_PKT *ff_pkt) acl_free(aclp); } - return stream_status; } -static bool solaris_parse_acl_stream(JCR *jcr, int stream) +static bacl_exit_code solaris_parse_acl_streams(JCR *jcr, int stream) { acl_t *aclp; - int error; + int acl_enabled, error; + berrno be; switch (stream) { case STREAM_UNIX_ACCESS_ACL: - case STREAM_ACL_SOLARIS_ACLENT_T: - case STREAM_ACL_SOLARIS_ACE_T: - if ((error = acl_fromtext(jcr->acl_data, &aclp)) != 0) { - Jmsg2(jcr, M_ERROR, 0, _("acl_fromtext error on file \"%s\": ERR=%s\n"), - jcr->last_fname, acl_strerror(error)); + case STREAM_ACL_SOLARIS_ACLENT: + case STREAM_ACL_SOLARIS_ACE: + /** + * First make sure the filesystem supports acls. + */ + acl_enabled = pathconf(jcr->last_fname, _PC_ACL_ENABLED); + switch (acl_enabled) { + case 0: + Mmsg1(jcr->errmsg, _("Trying to restore acl on file \"%s\" on filesystem without acl support\n"), + jcr->last_fname); + return bacl_exit_error; + case -1: + switch (errno) { + case ENOENT: + return bacl_exit_ok; + default: + Mmsg2(jcr->errmsg, _("pathconf error on file \"%s\": ERR=%s\n"), + jcr->last_fname, be.bstrerror()); + Dmsg3(100, "pathconf error acl=%s file=%s ERR=%s\n", + jcr->acl_data->content, jcr->last_fname, be.bstrerror()); + return bacl_exit_error; + } + default: + /** + * On a filesystem with ACL support make sure this particilar ACL type can be restored. + */ + switch (stream) { + case STREAM_ACL_SOLARIS_ACLENT: + /** + * An aclent can be restored on filesystems with _ACL_ACLENT_ENABLED or _ACL_ACE_ENABLED support. + */ + if ((acl_enabled & (_ACL_ACLENT_ENABLED | _ACL_ACE_ENABLED)) == 0) { + Mmsg1(jcr->errmsg, _("Trying to restore acl on file \"%s\" on filesystem without aclent acl support\n"), + jcr->last_fname); + return bacl_exit_error; + } + break; + case STREAM_ACL_SOLARIS_ACE: + /** + * An ace can only be restored on a filesystem with _ACL_ACE_ENABLED support. + */ + if ((acl_enabled & _ACL_ACE_ENABLED) == 0) { + Mmsg1(jcr->errmsg, _("Trying to restore acl on file \"%s\" on filesystem without ace acl support\n"), + jcr->last_fname); + return bacl_exit_error; + } + break; + default: + /** + * Stream id which doesn't describe the type of acl which is encoded. + */ + break; + } + break; + } + + if ((error = acl_fromtext(jcr->acl_data->content, &aclp)) != 0) { + Mmsg2(jcr->errmsg, _("acl_fromtext error on file \"%s\": ERR=%s\n"), + jcr->last_fname, acl_strerror(error)); Dmsg3(100, "acl_fromtext error acl=%s file=%s ERR=%s\n", - jcr->acl_data, jcr->last_fname, acl_strerror(error)); - return false; + jcr->acl_data->content, jcr->last_fname, acl_strerror(error)); + return bacl_exit_error; } - /* + /** * Validate that the conversion gave us the correct acl type. */ switch (stream) { - case STREAM_ACL_SOLARIS_ACLENT_T: + case STREAM_ACL_SOLARIS_ACLENT: if (acl_type(aclp) != ACLENT_T) { - Jmsg1(jcr, M_ERROR, 0, _("wrong encoding of acl type in acl stream on file \"%s\"\n"), - jcr->last_fname); - return false; + Mmsg1(jcr->errmsg, _("wrong encoding of acl type in acl stream on file \"%s\"\n"), + jcr->last_fname); + return bacl_exit_error; } - case STREAM_ACL_SOLARIS_ACE_T: + break; + case STREAM_ACL_SOLARIS_ACE: if (acl_type(aclp) != ACE_T) { - Jmsg1(jcr, M_ERROR, 0, _("wrong encoding of acl type in acl stream on file \"%s\"\n"), - jcr->last_fname); - return false; + Mmsg1(jcr->errmsg, _("wrong encoding of acl type in acl stream on file \"%s\"\n"), + jcr->last_fname); + return bacl_exit_error; } + break; default: - /* + /** * Stream id which doesn't describe the type of acl which is encoded. */ break; } - /* + /** * Restore the ACLs, but don't complain about links which really should * not have attributes, and the file it is linked to may not yet be restored. * This is only true for the old acl streams as in the new implementation we * don't save acls of symlinks (which cannot have acls anyhow) */ if ((error = acl_set(jcr->last_fname, aclp)) == -1 && jcr->last_type != FT_LNK) { - Jmsg2(jcr, M_ERROR, 0, _("acl_set error on file \"%s\": ERR=%s\n"), - jcr->last_fname, acl_strerror(error)); - Dmsg3(100, "acl_set error acl=%s file=%s ERR=%s\n", - jcr->acl_data, jcr->last_fname, acl_strerror(error)); - - acl_free(aclp); - return false; + switch (errno) { + case ENOENT: + acl_free(aclp); + return bacl_exit_ok; + default: + Mmsg2(jcr->errmsg, _("acl_set error on file \"%s\": ERR=%s\n"), + jcr->last_fname, acl_strerror(error)); + Dmsg3(100, "acl_set error acl=%s file=%s ERR=%s\n", + jcr->acl_data->content, jcr->last_fname, acl_strerror(error)); + acl_free(aclp); + return bacl_exit_error; + } } acl_free(aclp); - return true; + return bacl_exit_ok; default: - return false; + return bacl_exit_error; } /* end switch (stream) */ } #else /* HAVE_EXTENDED_ACL */ -/* +/** + * Define the supported ACL streams for this OS + */ +static int os_access_acl_streams[2] = { STREAM_ACL_SOLARIS_ACLENT }; +static int os_default_acl_streams[1] = { -1 }; + +/** * See if an acl is a trivial one (e.g. just the stat bits encoded as acl.) * There is no need to store those acls as we already store the stat bits too. */ @@ -1083,189 +1154,191 @@ static bool acl_is_trivial(int count, aclent_t *entries) ace->a_type == CLASS_OBJ)) return false; } - return true; } -/* +/** * OS specific functions for handling different types of acl streams. */ -static bool solaris_build_acl_streams(JCR *jcr, FF_PKT *ff_pkt); +static bacl_exit_code solaris_build_acl_streams(JCR *jcr, FF_PKT *ff_pkt) { - int n, len; + int n; aclent_t *acls; char *acl_text; + berrno be; n = acl(jcr->last_fname, GETACLCNT, 0, NULL); - if (n < MIN_ACL_ENTRIES) { - return false; + if (n < MIN_ACL_ENTRIES) + return bacl_exit_error; acls = (aclent_t *)malloc(n * sizeof(aclent_t)); if (acl(jcr->last_fname, GETACL, n, acls) == n) { if (acl_is_trivial(n, acls)) { - /* + /** * The ACLs simply reflect the (already known) standard permissions * So we don't send an ACL stream to the SD. */ free(acls); - pm_strcpy(jcr->acl_data, ""); - return true; + pm_strcpy(jcr->acl_data->content, ""); + jcr->acl_data->content_length = 0; + return bacl_exit_ok; } if ((acl_text = acltotext(acls, n)) != NULL) { - len = pm_strcpy(jcr->acl_data, acl_text); + jcr->acl_data->content_length = pm_strcpy(jcr->acl_data->content, acl_text); actuallyfree(acl_text); free(acls); - - return send_acl_stream(jcr, STREAM_ACL_SOLARIS_ACLENT_T, len); + return send_acl_stream(jcr, STREAM_ACL_SOLARIS_ACLENT); } - berrno be; - Jmsg2(jcr, M_ERROR, 0, _("acltotext error on file \"%s\": ERR=%s\n"), - jcr->last_fname, be.bstrerror()); + Mmsg2(jcr->errmsg, _("acltotext error on file \"%s\": ERR=%s\n"), + jcr->last_fname, be.bstrerror()); Dmsg3(100, "acltotext error acl=%s file=%s ERR=%s\n", - jcr->acl_data, jcr->last_fname, be.bstrerror()); + jcr->acl_data->content, jcr->last_fname, be.bstrerror()); } free(acls); - return false; + return bacl_exit_error; } -static bool solaris_parse_acl_stream(JCR *jcr, int stream) +static bacl_exit_code solaris_parse_acl_streams(JCR *jcr, int stream) { int n; aclent_t *acls; + berrno be; - acls = aclfromtext(jcr->acl_data, &n); + acls = aclfromtext(jcr->acl_data->content, &n); if (!acls) { - berrno be; - Jmsg2(jcr, M_ERROR, 0, _("aclfromtext error on file \"%s\": ERR=%s\n"), - jcr->last_fname, be.bstrerror()); + Mmsg2(jcr->errmsg, _("aclfromtext error on file \"%s\": ERR=%s\n"), + jcr->last_fname, be.bstrerror()); Dmsg3(100, "aclfromtext error acl=%s file=%s ERR=%s\n", - jcr->acl_data, jcr->last_fname, be.bstrerror()); - - return false; + jcr->acl_data->content, jcr->last_fname, be.bstrerror()); + return bacl_exit_error; } - /* + /** * Restore the ACLs, but don't complain about links which really should * not have attributes, and the file it is linked to may not yet be restored. */ if (acl(jcr->last_fname, SETACL, n, acls) == -1 && jcr->last_type != FT_LNK) { - berrno be; - Jmsg2(jcr, M_ERROR, 0, _("acl(SETACL) error on file \"%s\": ERR=%s\n"), - jcr->last_fname, be.bstrerror()); - Dmsg3(100, "acl(SETACL) error acl=%s file=%s ERR=%s\n", - jcr->acl_data, jcr->last_fname, be.bstrerror()); - actuallyfree(acls); - - return false; + switch (errno) { + case ENOENT: + actuallyfree(acls); + return bacl_exit_ok; + default: + Mmsg2(jcr->errmsg, _("acl(SETACL) error on file \"%s\": ERR=%s\n"), + jcr->last_fname, be.bstrerror()); + Dmsg3(100, "acl(SETACL) error acl=%s file=%s ERR=%s\n", + jcr->acl_data->content, jcr->last_fname, be.bstrerror()); + actuallyfree(acls); + return bacl_exit_error; + } } - actuallyfree(acls); - return true; + return bacl_exit_ok; } - #endif /* HAVE_EXTENDED_ACL */ + +/** + * For this OS setup the build and parse function pointer to the OS specific functions. + */ +static bacl_exit_code (*os_build_acl_streams)(JCR *jcr, FF_PKT *ff_pkt) = solaris_build_acl_streams; +static bacl_exit_code (*os_parse_acl_streams)(JCR *jcr, int stream) = solaris_parse_acl_streams; + #endif /* HAVE_SUN_OS */ +#endif /* HAVE_ACL */ /* * Entry points when compiled with support for ACLs on a supported platform. */ -/* +/** * Read and send an ACL for the last encountered file. */ -bool build_acl_streams(JCR *jcr, FF_PKT *ff_pkt) +bacl_exit_code build_acl_streams(JCR *jcr, FF_PKT *ff_pkt) { - /* - * Call the appropriate function, the ifdefs make sure the proper code is compiled. + /** + * See if we are changing from one device to an other. + * We save the current device we are scanning and compare + * it with the current st_dev in the last stat performed on + * the file we are currently storing. */ -#if defined(HAVE_AIX_OS) - return aix_build_acl_streams(jcr, ff_pkt); -#elif defined(HAVE_DARWIN_OS) - return darwin_build_acl_streams(jcr, ff_pkt); -#elif defined(HAVE_FREEBSD_OS) - return freebsd_build_acl_streams(jcr, ff_pkt); -#elif defined(HAVE_HPUX_OS) - return hpux_build_acl_streams(jcr, ff_pkt); -#elif defined(HAVE_IRIX_OS) - return irix_build_acl_streams(jcr, ff_pkt); -#elif defined(HAVE_LINUX_OS) - return linux_build_acl_streams(jcr, ff_pkt); -#elif defined(HAVE_OSF1_OS) - return tru64_build_acl_streams(jcr, ff_pkt); -#elif defined(HAVE_SUN_OS) - return solaris_build_acl_streams(jcr, ff_pkt); + if (jcr->acl_data->current_dev != ff_pkt->statp.st_dev) { + /** + * Reset the acl save flags. + */ + jcr->acl_data->flags = 0; + + jcr->acl_data->flags |= BACL_FLAG_SAVE_NATIVE; + + /** + * Save that we started scanning a new filesystem. + */ + jcr->acl_data->current_dev = ff_pkt->statp.st_dev; + } + +#if defined(HAVE_ACL) + /** + * See if the BACL_FLAG_SAVE_NATIVE flag is set which lets us know if we should + * save native ACLs. + */ + if (jcr->acl_data->flags & BACL_FLAG_SAVE_NATIVE) { + /** + * Call the appropriate function. + */ + if (os_build_acl_streams) { + return (*os_build_acl_streams)(jcr, ff_pkt); + } + } else { + return bacl_exit_ok; + } #endif + return bacl_exit_error; } -bool parse_acl_stream(JCR *jcr, int stream) +bacl_exit_code parse_acl_streams(JCR *jcr, int stream) { - /* - * Based on the stream being passed in dispatch to the right function - * for parsing and restoring a specific acl. The platform determines - * which streams are recognized and parsed and which are handled by - * the default case and ignored. The old STREAM_UNIX_ACCESS_ACL and - * STREAM_UNIX_DEFAULT_ACL is handled as a legacy stream by each function. - * As only one of the platform defines is true per compile we never end - * up with duplicate switch values. - */ + unsigned int cnt; + switch (stream) { -#if defined(HAVE_AIX_OS) +#if defined(HAVE_ACL) case STREAM_UNIX_ACCESS_ACL: case STREAM_UNIX_DEFAULT_ACL: - case STREAM_ACL_AIX_TEXT: - return aix_parse_acl_stream(jcr, stream); -#elif defined(HAVE_DARWIN_OS) - case STREAM_UNIX_ACCESS_ACL: - case STREAM_ACL_DARWIN_ACCESS_ACL_T: - return darwin_parse_acl_stream(jcr, stream); -#elif defined(HAVE_FREEBSD_OS) - case STREAM_UNIX_ACCESS_ACL: - case STREAM_UNIX_DEFAULT_ACL: - case STREAM_ACL_FREEBSD_DEFAULT_ACL_T: - case STREAM_ACL_FREEBSD_ACCESS_ACL_T: - return freebsd_parse_acl_stream(jcr, stream); -#elif defined(HAVE_HPUX_OS) - case STREAM_UNIX_ACCESS_ACL: - case STREAM_ACL_HPUX_ACL_ENTRY: - return hpux_parse_acl_stream(jcr, stream); -#elif defined(HAVE_IRIX_OS) - case STREAM_UNIX_ACCESS_ACL: - case STREAM_UNIX_DEFAULT_ACL: - case STREAM_ACL_IRIX_DEFAULT_ACL_T: - case STREAM_ACL_IRIX_ACCESS_ACL_T: - return irix_parse_acl_stream(jcr, stream); -#elif defined(HAVE_LINUX_OS) - case STREAM_UNIX_ACCESS_ACL: - case STREAM_UNIX_DEFAULT_ACL: - case STREAM_ACL_LINUX_DEFAULT_ACL_T: - case STREAM_ACL_LINUX_ACCESS_ACL_T: - return linux_parse_acl_stream(jcr, stream); -#elif defined(HAVE_OSF1_OS) - case STREAM_UNIX_ACCESS_ACL: - case STREAM_UNIX_DEFAULT_ACL: - case STREAM_ACL_TRU64_DEFAULT_ACL_T: - case STREAM_ACL_TRU64_ACCESS_ACL_T: - case STREAM_ACL_TRU64_DEFAULT_DIR_ACL_T: - return tru64_parse_acl_stream(jcr, stream); -#elif defined(HAVE_SUN_OS) - case STREAM_UNIX_ACCESS_ACL: - case STREAM_ACL_SOLARIS_ACLENT_T: -#if defined(HAVE_EXTENDED_ACL) - case STREAM_ACL_SOLARIS_ACE_T: -#endif - return solaris_parse_acl_stream(jcr, stream); -#endif - default: - /* - * Issue a warning and discard the message. But pretend the restore was ok. + /** + * Handle legacy ACL streams. */ - Qmsg2(jcr, M_WARNING, 0, - _("Can't restore ACLs of %s - incompatible acl stream encountered - %d\n"), - jcr->last_fname, stream); - return true; - } /* end switch (stream) */ + if (os_parse_acl_streams) { + return (*os_parse_acl_streams)(jcr, stream); + } + break; + default: + if (os_parse_acl_streams) { + /** + * Walk the os_access_acl_streams array with the supported Access ACL streams for this OS. + */ + for (cnt = 0; cnt < sizeof(os_access_acl_streams) / sizeof(int); cnt++) { + if (os_access_acl_streams[cnt] == stream) { + return (*os_parse_acl_streams)(jcr, stream); + } + } + /** + * Walk the os_default_acl_streams array with the supported Default ACL streams for this OS. + */ + for (cnt = 0; cnt < sizeof(os_default_acl_streams) / sizeof(int); cnt++) { + if (os_default_acl_streams[cnt] == stream) { + return (*os_parse_acl_streams)(jcr, stream); + } + } + } + break; +#else + default: + break; +#endif + } + Qmsg2(jcr, M_WARNING, 0, + _("Can't restore ACLs of %s - incompatible acl stream encountered - %d\n"), + jcr->last_fname, stream); + return bacl_exit_error; } #endif