| /*- |
| * Copyright (c) 2017 Martin Matuska |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "archive_platform.h" |
| |
| #if ARCHIVE_ACL_SUNOS |
| |
| #ifdef HAVE_ERRNO_H |
| #include <errno.h> |
| #endif |
| #ifdef HAVE_FCNTL_H |
| #include <fcntl.h> |
| #endif |
| #ifdef HAVE_SYS_TYPES_H |
| #include <sys/types.h> |
| #endif |
| #ifdef HAVE_SYS_ACL_H |
| #define _ACL_PRIVATE /* For debugging */ |
| #include <sys/acl.h> |
| #endif |
| |
| #include "archive_entry.h" |
| #include "archive_private.h" |
| #include "archive_read_disk_private.h" |
| #include "archive_write_disk_private.h" |
| |
| typedef struct { |
| const int a_perm; /* Libarchive permission or flag */ |
| const int p_perm; /* Platform permission or flag */ |
| } acl_perm_map_t; |
| |
| static const acl_perm_map_t acl_posix_perm_map[] = { |
| {ARCHIVE_ENTRY_ACL_EXECUTE, S_IXOTH }, |
| {ARCHIVE_ENTRY_ACL_WRITE, S_IWOTH }, |
| {ARCHIVE_ENTRY_ACL_READ, S_IROTH } |
| }; |
| |
| static const int acl_posix_perm_map_size = |
| (int)(sizeof(acl_posix_perm_map)/sizeof(acl_posix_perm_map[0])); |
| |
| #if ARCHIVE_ACL_SUNOS_NFS4 |
| static const acl_perm_map_t acl_nfs4_perm_map[] = { |
| {ARCHIVE_ENTRY_ACL_EXECUTE, ACE_EXECUTE}, |
| {ARCHIVE_ENTRY_ACL_READ_DATA, ACE_READ_DATA}, |
| {ARCHIVE_ENTRY_ACL_LIST_DIRECTORY, ACE_LIST_DIRECTORY}, |
| {ARCHIVE_ENTRY_ACL_WRITE_DATA, ACE_WRITE_DATA}, |
| {ARCHIVE_ENTRY_ACL_ADD_FILE, ACE_ADD_FILE}, |
| {ARCHIVE_ENTRY_ACL_APPEND_DATA, ACE_APPEND_DATA}, |
| {ARCHIVE_ENTRY_ACL_ADD_SUBDIRECTORY, ACE_ADD_SUBDIRECTORY}, |
| {ARCHIVE_ENTRY_ACL_READ_NAMED_ATTRS, ACE_READ_NAMED_ATTRS}, |
| {ARCHIVE_ENTRY_ACL_WRITE_NAMED_ATTRS, ACE_WRITE_NAMED_ATTRS}, |
| {ARCHIVE_ENTRY_ACL_DELETE_CHILD, ACE_DELETE_CHILD}, |
| {ARCHIVE_ENTRY_ACL_READ_ATTRIBUTES, ACE_READ_ATTRIBUTES}, |
| {ARCHIVE_ENTRY_ACL_WRITE_ATTRIBUTES, ACE_WRITE_ATTRIBUTES}, |
| {ARCHIVE_ENTRY_ACL_DELETE, ACE_DELETE}, |
| {ARCHIVE_ENTRY_ACL_READ_ACL, ACE_READ_ACL}, |
| {ARCHIVE_ENTRY_ACL_WRITE_ACL, ACE_WRITE_ACL}, |
| {ARCHIVE_ENTRY_ACL_WRITE_OWNER, ACE_WRITE_OWNER}, |
| {ARCHIVE_ENTRY_ACL_SYNCHRONIZE, ACE_SYNCHRONIZE} |
| }; |
| |
| static const int acl_nfs4_perm_map_size = |
| (int)(sizeof(acl_nfs4_perm_map)/sizeof(acl_nfs4_perm_map[0])); |
| |
| static const acl_perm_map_t acl_nfs4_flag_map[] = { |
| {ARCHIVE_ENTRY_ACL_ENTRY_FILE_INHERIT, ACE_FILE_INHERIT_ACE}, |
| {ARCHIVE_ENTRY_ACL_ENTRY_DIRECTORY_INHERIT, ACE_DIRECTORY_INHERIT_ACE}, |
| {ARCHIVE_ENTRY_ACL_ENTRY_NO_PROPAGATE_INHERIT, ACE_NO_PROPAGATE_INHERIT_ACE}, |
| {ARCHIVE_ENTRY_ACL_ENTRY_INHERIT_ONLY, ACE_INHERIT_ONLY_ACE}, |
| {ARCHIVE_ENTRY_ACL_ENTRY_SUCCESSFUL_ACCESS, ACE_SUCCESSFUL_ACCESS_ACE_FLAG}, |
| {ARCHIVE_ENTRY_ACL_ENTRY_FAILED_ACCESS, ACE_FAILED_ACCESS_ACE_FLAG}, |
| #ifdef ACE_INHERITED_ACE |
| {ARCHIVE_ENTRY_ACL_ENTRY_INHERITED, ACE_INHERITED_ACE} |
| #endif |
| }; |
| |
| const int acl_nfs4_flag_map_size = |
| (int)(sizeof(acl_nfs4_flag_map)/sizeof(acl_nfs4_flag_map[0])); |
| |
| #endif /* ARCHIVE_ACL_SUNOS_NFS4 */ |
| |
| static void * |
| sunacl_get(int cmd, int *aclcnt, int fd, const char *path) |
| { |
| int cnt, cntcmd; |
| size_t size; |
| void *aclp; |
| |
| if (cmd == GETACL) { |
| cntcmd = GETACLCNT; |
| size = sizeof(aclent_t); |
| } |
| #if ARCHIVE_ACL_SUNOS_NFS4 |
| else if (cmd == ACE_GETACL) { |
| cntcmd = ACE_GETACLCNT; |
| size = sizeof(ace_t); |
| } |
| #endif |
| else { |
| errno = EINVAL; |
| *aclcnt = -1; |
| return (NULL); |
| } |
| |
| aclp = NULL; |
| cnt = -2; |
| |
| while (cnt == -2 || (cnt == -1 && errno == ENOSPC)) { |
| if (path != NULL) |
| cnt = acl(path, cntcmd, 0, NULL); |
| else |
| cnt = facl(fd, cntcmd, 0, NULL); |
| |
| if (cnt > 0) { |
| if (aclp == NULL) |
| aclp = malloc(cnt * size); |
| else |
| aclp = realloc(NULL, cnt * size); |
| if (aclp != NULL) { |
| if (path != NULL) |
| cnt = acl(path, cmd, cnt, aclp); |
| else |
| cnt = facl(fd, cmd, cnt, aclp); |
| } |
| } else { |
| if (aclp != NULL) { |
| free(aclp); |
| aclp = NULL; |
| } |
| break; |
| } |
| } |
| |
| *aclcnt = cnt; |
| return (aclp); |
| } |
| |
| /* |
| * Check if acl is trivial |
| * This is a FreeBSD acl_is_trivial_np() implementation for Solaris |
| */ |
| static int |
| sun_acl_is_trivial(void *aclp, int aclcnt, mode_t mode, int is_nfs4, |
| int is_dir, int *trivialp) |
| { |
| #if ARCHIVE_ACL_SUNOS_NFS4 |
| int i, p; |
| const uint32_t rperm = ACE_READ_DATA; |
| const uint32_t wperm = ACE_WRITE_DATA | ACE_APPEND_DATA; |
| const uint32_t eperm = ACE_EXECUTE; |
| const uint32_t pubset = ACE_READ_ATTRIBUTES | ACE_READ_NAMED_ATTRS | |
| ACE_READ_ACL | ACE_SYNCHRONIZE; |
| const uint32_t ownset = pubset | ACE_WRITE_ATTRIBUTES | |
| ACE_WRITE_NAMED_ATTRS | ACE_WRITE_ACL | ACE_WRITE_OWNER; |
| |
| ace_t *ace; |
| ace_t tace[6]; |
| #endif |
| |
| if (aclp == NULL || trivialp == NULL) |
| return (-1); |
| |
| *trivialp = 0; |
| |
| /* |
| * POSIX.1e ACLs marked with ACL_IS_TRIVIAL are compatible with |
| * FreeBSD acl_is_trivial_np(). On Solaris they have 4 entries, |
| * including mask. |
| */ |
| if (!is_nfs4) { |
| if (aclcnt == 4) |
| *trivialp = 1; |
| return (0); |
| } |
| |
| #if ARCHIVE_ACL_SUNOS_NFS4 |
| /* |
| * Continue with checking NFSv4 ACLs |
| * |
| * Create list of trivial ace's to be compared |
| */ |
| |
| /* owner@ allow pre */ |
| tace[0].a_flags = ACE_OWNER; |
| tace[0].a_type = ACE_ACCESS_ALLOWED_ACE_TYPE; |
| tace[0].a_access_mask = 0; |
| |
| /* owner@ deny */ |
| tace[1].a_flags = ACE_OWNER; |
| tace[1].a_type = ACE_ACCESS_DENIED_ACE_TYPE; |
| tace[1].a_access_mask = 0; |
| |
| /* group@ deny */ |
| tace[2].a_flags = ACE_GROUP | ACE_IDENTIFIER_GROUP; |
| tace[2].a_type = ACE_ACCESS_DENIED_ACE_TYPE; |
| tace[2].a_access_mask = 0; |
| |
| /* owner@ allow */ |
| tace[3].a_flags = ACE_OWNER; |
| tace[3].a_type = ACE_ACCESS_ALLOWED_ACE_TYPE; |
| tace[3].a_access_mask = ownset; |
| |
| /* group@ allow */ |
| tace[4].a_flags = ACE_GROUP | ACE_IDENTIFIER_GROUP; |
| tace[4].a_type = ACE_ACCESS_ALLOWED_ACE_TYPE; |
| tace[4].a_access_mask = pubset; |
| |
| /* everyone@ allow */ |
| tace[5].a_flags = ACE_EVERYONE; |
| tace[5].a_type = ACE_ACCESS_ALLOWED_ACE_TYPE; |
| tace[5].a_access_mask = pubset; |
| |
| /* Permissions for everyone@ */ |
| if (mode & 0004) |
| tace[5].a_access_mask |= rperm; |
| if (mode & 0002) |
| tace[5].a_access_mask |= wperm; |
| if (mode & 0001) |
| tace[5].a_access_mask |= eperm; |
| |
| /* Permissions for group@ */ |
| if (mode & 0040) |
| tace[4].a_access_mask |= rperm; |
| else if (mode & 0004) |
| tace[2].a_access_mask |= rperm; |
| if (mode & 0020) |
| tace[4].a_access_mask |= wperm; |
| else if (mode & 0002) |
| tace[2].a_access_mask |= wperm; |
| if (mode & 0010) |
| tace[4].a_access_mask |= eperm; |
| else if (mode & 0001) |
| tace[2].a_access_mask |= eperm; |
| |
| /* Permissions for owner@ */ |
| if (mode & 0400) { |
| tace[3].a_access_mask |= rperm; |
| if (!(mode & 0040) && (mode & 0004)) |
| tace[0].a_access_mask |= rperm; |
| } else if ((mode & 0040) || (mode & 0004)) |
| tace[1].a_access_mask |= rperm; |
| if (mode & 0200) { |
| tace[3].a_access_mask |= wperm; |
| if (!(mode & 0020) && (mode & 0002)) |
| tace[0].a_access_mask |= wperm; |
| } else if ((mode & 0020) || (mode & 0002)) |
| tace[1].a_access_mask |= wperm; |
| if (mode & 0100) { |
| tace[3].a_access_mask |= eperm; |
| if (!(mode & 0010) && (mode & 0001)) |
| tace[0].a_access_mask |= eperm; |
| } else if ((mode & 0010) || (mode & 0001)) |
| tace[1].a_access_mask |= eperm; |
| |
| /* Check if the acl count matches */ |
| p = 3; |
| for (i = 0; i < 3; i++) { |
| if (tace[i].a_access_mask != 0) |
| p++; |
| } |
| if (aclcnt != p) |
| return (0); |
| |
| p = 0; |
| for (i = 0; i < 6; i++) { |
| if (tace[i].a_access_mask != 0) { |
| ace = &((ace_t *)aclp)[p]; |
| /* |
| * Illumos added ACE_DELETE_CHILD to write perms for |
| * directories. We have to check against that, too. |
| */ |
| if (ace->a_flags != tace[i].a_flags || |
| ace->a_type != tace[i].a_type || |
| (ace->a_access_mask != tace[i].a_access_mask && |
| (!is_dir || (tace[i].a_access_mask & wperm) == 0 || |
| ace->a_access_mask != |
| (tace[i].a_access_mask | ACE_DELETE_CHILD)))) |
| return (0); |
| p++; |
| } |
| } |
| |
| *trivialp = 1; |
| #else /* !ARCHIVE_ACL_SUNOS_NFS4 */ |
| (void)is_dir; /* UNUSED */ |
| (void)aclp; /* UNUSED */ |
| #endif /* !ARCHIVE_ACL_SUNOS_NFS4 */ |
| return (0); |
| } |
| |
| /* |
| * Translate Solaris POSIX.1e and NFSv4 ACLs into libarchive internal ACL |
| */ |
| static int |
| translate_acl(struct archive_read_disk *a, |
| struct archive_entry *entry, void *aclp, int aclcnt, |
| int default_entry_acl_type) |
| { |
| int e, i; |
| int ae_id, ae_tag, ae_perm; |
| int entry_acl_type; |
| const char *ae_name; |
| aclent_t *aclent; |
| #if ARCHIVE_ACL_SUNOS_NFS4 |
| ace_t *ace; |
| #endif |
| |
| if (aclcnt <= 0) |
| return (ARCHIVE_OK); |
| |
| for (e = 0; e < aclcnt; e++) { |
| ae_name = NULL; |
| ae_tag = 0; |
| ae_perm = 0; |
| |
| #if ARCHIVE_ACL_SUNOS_NFS4 |
| if (default_entry_acl_type == ARCHIVE_ENTRY_ACL_TYPE_NFS4) { |
| ace = &((ace_t *)aclp)[e]; |
| ae_id = ace->a_who; |
| |
| switch(ace->a_type) { |
| case ACE_ACCESS_ALLOWED_ACE_TYPE: |
| entry_acl_type = ARCHIVE_ENTRY_ACL_TYPE_ALLOW; |
| break; |
| case ACE_ACCESS_DENIED_ACE_TYPE: |
| entry_acl_type = ARCHIVE_ENTRY_ACL_TYPE_DENY; |
| break; |
| case ACE_SYSTEM_AUDIT_ACE_TYPE: |
| entry_acl_type = ARCHIVE_ENTRY_ACL_TYPE_ACCESS; |
| break; |
| case ACE_SYSTEM_ALARM_ACE_TYPE: |
| entry_acl_type = ARCHIVE_ENTRY_ACL_TYPE_ALARM; |
| break; |
| default: |
| /* Unknown entry type, skip */ |
| continue; |
| } |
| |
| if ((ace->a_flags & ACE_OWNER) != 0) |
| ae_tag = ARCHIVE_ENTRY_ACL_USER_OBJ; |
| else if ((ace->a_flags & ACE_GROUP) != 0) |
| ae_tag = ARCHIVE_ENTRY_ACL_GROUP_OBJ; |
| else if ((ace->a_flags & ACE_EVERYONE) != 0) |
| ae_tag = ARCHIVE_ENTRY_ACL_EVERYONE; |
| else if ((ace->a_flags & ACE_IDENTIFIER_GROUP) != 0) { |
| ae_tag = ARCHIVE_ENTRY_ACL_GROUP; |
| ae_name = archive_read_disk_gname(&a->archive, |
| ae_id); |
| } else { |
| ae_tag = ARCHIVE_ENTRY_ACL_USER; |
| ae_name = archive_read_disk_uname(&a->archive, |
| ae_id); |
| } |
| |
| for (i = 0; i < acl_nfs4_flag_map_size; ++i) { |
| if ((ace->a_flags & |
| acl_nfs4_flag_map[i].p_perm) != 0) |
| ae_perm |= acl_nfs4_flag_map[i].a_perm; |
| } |
| |
| for (i = 0; i < acl_nfs4_perm_map_size; ++i) { |
| if ((ace->a_access_mask & |
| acl_nfs4_perm_map[i].p_perm) != 0) |
| ae_perm |= acl_nfs4_perm_map[i].a_perm; |
| } |
| } else |
| #endif /* ARCHIVE_ACL_SUNOS_NFS4 */ |
| if (default_entry_acl_type == ARCHIVE_ENTRY_ACL_TYPE_ACCESS) { |
| aclent = &((aclent_t *)aclp)[e]; |
| if ((aclent->a_type & ACL_DEFAULT) != 0) |
| entry_acl_type = ARCHIVE_ENTRY_ACL_TYPE_DEFAULT; |
| else |
| entry_acl_type = ARCHIVE_ENTRY_ACL_TYPE_ACCESS; |
| ae_id = aclent->a_id; |
| |
| switch(aclent->a_type) { |
| case DEF_USER: |
| case USER: |
| ae_name = archive_read_disk_uname(&a->archive, |
| ae_id); |
| ae_tag = ARCHIVE_ENTRY_ACL_USER; |
| break; |
| case DEF_GROUP: |
| case GROUP: |
| ae_name = archive_read_disk_gname(&a->archive, |
| ae_id); |
| ae_tag = ARCHIVE_ENTRY_ACL_GROUP; |
| break; |
| case DEF_CLASS_OBJ: |
| case CLASS_OBJ: |
| ae_tag = ARCHIVE_ENTRY_ACL_MASK; |
| break; |
| case DEF_USER_OBJ: |
| case USER_OBJ: |
| ae_tag = ARCHIVE_ENTRY_ACL_USER_OBJ; |
| break; |
| case DEF_GROUP_OBJ: |
| case GROUP_OBJ: |
| ae_tag = ARCHIVE_ENTRY_ACL_GROUP_OBJ; |
| break; |
| case DEF_OTHER_OBJ: |
| case OTHER_OBJ: |
| ae_tag = ARCHIVE_ENTRY_ACL_OTHER; |
| break; |
| default: |
| /* Unknown tag type, skip */ |
| continue; |
| } |
| |
| for (i = 0; i < acl_posix_perm_map_size; ++i) { |
| if ((aclent->a_perm & |
| acl_posix_perm_map[i].p_perm) != 0) |
| ae_perm |= acl_posix_perm_map[i].a_perm; |
| } |
| } else |
| return (ARCHIVE_WARN); |
| |
| archive_entry_acl_add_entry(entry, entry_acl_type, |
| ae_perm, ae_tag, ae_id, ae_name); |
| } |
| return (ARCHIVE_OK); |
| } |
| |
| static int |
| set_acl(struct archive *a, int fd, const char *name, |
| struct archive_acl *abstract_acl, |
| int ae_requested_type, const char *tname) |
| { |
| aclent_t *aclent; |
| #if ARCHIVE_ACL_SUNOS_NFS4 |
| ace_t *ace; |
| #endif |
| int cmd, e, r; |
| void *aclp; |
| int ret; |
| int ae_type, ae_permset, ae_tag, ae_id; |
| int perm_map_size; |
| const acl_perm_map_t *perm_map; |
| uid_t ae_uid; |
| gid_t ae_gid; |
| const char *ae_name; |
| int entries; |
| int i; |
| |
| ret = ARCHIVE_OK; |
| entries = archive_acl_reset(abstract_acl, ae_requested_type); |
| if (entries == 0) |
| return (ARCHIVE_OK); |
| |
| |
| switch (ae_requested_type) { |
| case ARCHIVE_ENTRY_ACL_TYPE_POSIX1E: |
| cmd = SETACL; |
| aclp = malloc(entries * sizeof(aclent_t)); |
| break; |
| #if ARCHIVE_ACL_SUNOS_NFS4 |
| case ARCHIVE_ENTRY_ACL_TYPE_NFS4: |
| cmd = ACE_SETACL; |
| aclp = malloc(entries * sizeof(ace_t)); |
| |
| break; |
| #endif |
| default: |
| errno = ENOENT; |
| archive_set_error(a, errno, "Unsupported ACL type"); |
| return (ARCHIVE_FAILED); |
| } |
| |
| if (aclp == NULL) { |
| archive_set_error(a, errno, |
| "Can't allocate memory for acl buffer"); |
| return (ARCHIVE_FAILED); |
| } |
| |
| e = 0; |
| |
| while (archive_acl_next(a, abstract_acl, ae_requested_type, &ae_type, |
| &ae_permset, &ae_tag, &ae_id, &ae_name) == ARCHIVE_OK) { |
| aclent = NULL; |
| #if ARCHIVE_ACL_SUNOS_NFS4 |
| ace = NULL; |
| #endif |
| if (cmd == SETACL) { |
| aclent = &((aclent_t *)aclp)[e]; |
| aclent->a_id = -1; |
| aclent->a_type = 0; |
| aclent->a_perm = 0; |
| } |
| #if ARCHIVE_ACL_SUNOS_NFS4 |
| else { /* cmd == ACE_SETACL */ |
| ace = &((ace_t *)aclp)[e]; |
| ace->a_who = -1; |
| ace->a_access_mask = 0; |
| ace->a_flags = 0; |
| } |
| #endif /* ARCHIVE_ACL_SUNOS_NFS4 */ |
| |
| switch (ae_tag) { |
| case ARCHIVE_ENTRY_ACL_USER: |
| ae_uid = archive_write_disk_uid(a, ae_name, ae_id); |
| if (aclent != NULL) { |
| aclent->a_id = ae_uid; |
| aclent->a_type |= USER; |
| } |
| #if ARCHIVE_ACL_SUNOS_NFS4 |
| else { |
| ace->a_who = ae_uid; |
| } |
| #endif |
| break; |
| case ARCHIVE_ENTRY_ACL_GROUP: |
| ae_gid = archive_write_disk_gid(a, ae_name, ae_id); |
| if (aclent != NULL) { |
| aclent->a_id = ae_gid; |
| aclent->a_type |= GROUP; |
| } |
| #if ARCHIVE_ACL_SUNOS_NFS4 |
| else { |
| ace->a_who = ae_gid; |
| ace->a_flags |= ACE_IDENTIFIER_GROUP; |
| } |
| #endif |
| break; |
| case ARCHIVE_ENTRY_ACL_USER_OBJ: |
| if (aclent != NULL) |
| aclent->a_type |= USER_OBJ; |
| #if ARCHIVE_ACL_SUNOS_NFS4 |
| else { |
| ace->a_flags |= ACE_OWNER; |
| } |
| #endif |
| break; |
| case ARCHIVE_ENTRY_ACL_GROUP_OBJ: |
| if (aclent != NULL) |
| aclent->a_type |= GROUP_OBJ; |
| #if ARCHIVE_ACL_SUNOS_NFS4 |
| else { |
| ace->a_flags |= ACE_GROUP; |
| ace->a_flags |= ACE_IDENTIFIER_GROUP; |
| } |
| #endif |
| break; |
| case ARCHIVE_ENTRY_ACL_MASK: |
| if (aclent != NULL) |
| aclent->a_type |= CLASS_OBJ; |
| break; |
| case ARCHIVE_ENTRY_ACL_OTHER: |
| if (aclent != NULL) |
| aclent->a_type |= OTHER_OBJ; |
| break; |
| #if ARCHIVE_ACL_SUNOS_NFS4 |
| case ARCHIVE_ENTRY_ACL_EVERYONE: |
| if (ace != NULL) |
| ace->a_flags |= ACE_EVERYONE; |
| break; |
| #endif |
| default: |
| archive_set_error(a, ARCHIVE_ERRNO_MISC, |
| "Unsupported ACL tag"); |
| ret = ARCHIVE_FAILED; |
| goto exit_free; |
| } |
| |
| r = 0; |
| switch (ae_type) { |
| #if ARCHIVE_ACL_SUNOS_NFS4 |
| case ARCHIVE_ENTRY_ACL_TYPE_ALLOW: |
| if (ace != NULL) |
| ace->a_type = ACE_ACCESS_ALLOWED_ACE_TYPE; |
| else |
| r = -1; |
| break; |
| case ARCHIVE_ENTRY_ACL_TYPE_DENY: |
| if (ace != NULL) |
| ace->a_type = ACE_ACCESS_DENIED_ACE_TYPE; |
| else |
| r = -1; |
| break; |
| case ARCHIVE_ENTRY_ACL_TYPE_AUDIT: |
| if (ace != NULL) |
| ace->a_type = ACE_SYSTEM_AUDIT_ACE_TYPE; |
| else |
| r = -1; |
| break; |
| case ARCHIVE_ENTRY_ACL_TYPE_ALARM: |
| if (ace != NULL) |
| ace->a_type = ACE_SYSTEM_ALARM_ACE_TYPE; |
| else |
| r = -1; |
| break; |
| #endif |
| case ARCHIVE_ENTRY_ACL_TYPE_ACCESS: |
| if (aclent == NULL) |
| r = -1; |
| break; |
| case ARCHIVE_ENTRY_ACL_TYPE_DEFAULT: |
| if (aclent != NULL) |
| aclent->a_type |= ACL_DEFAULT; |
| else |
| r = -1; |
| break; |
| default: |
| archive_set_error(a, ARCHIVE_ERRNO_MISC, |
| "Unsupported ACL entry type"); |
| ret = ARCHIVE_FAILED; |
| goto exit_free; |
| } |
| |
| if (r != 0) { |
| errno = EINVAL; |
| archive_set_error(a, errno, |
| "Failed to set ACL entry type"); |
| ret = ARCHIVE_FAILED; |
| goto exit_free; |
| } |
| |
| #if ARCHIVE_ACL_SUNOS_NFS4 |
| if (ae_requested_type == ARCHIVE_ENTRY_ACL_TYPE_NFS4) { |
| perm_map_size = acl_nfs4_perm_map_size; |
| perm_map = acl_nfs4_perm_map; |
| } else { |
| #endif |
| perm_map_size = acl_posix_perm_map_size; |
| perm_map = acl_posix_perm_map; |
| #if ARCHIVE_ACL_SUNOS_NFS4 |
| } |
| #endif |
| for (i = 0; i < perm_map_size; ++i) { |
| if (ae_permset & perm_map[i].a_perm) { |
| #if ARCHIVE_ACL_SUNOS_NFS4 |
| if (ae_requested_type == |
| ARCHIVE_ENTRY_ACL_TYPE_NFS4) |
| ace->a_access_mask |= |
| perm_map[i].p_perm; |
| else |
| #endif |
| aclent->a_perm |= perm_map[i].p_perm; |
| } |
| } |
| |
| #if ARCHIVE_ACL_SUNOS_NFS4 |
| if (ae_requested_type == ARCHIVE_ENTRY_ACL_TYPE_NFS4) { |
| for (i = 0; i < acl_nfs4_flag_map_size; ++i) { |
| if (ae_permset & acl_nfs4_flag_map[i].a_perm) { |
| ace->a_flags |= |
| acl_nfs4_flag_map[i].p_perm; |
| } |
| } |
| } |
| #endif |
| e++; |
| } |
| |
| /* Try restoring the ACL through 'fd' if we can. */ |
| if (fd >= 0) { |
| if (facl(fd, cmd, entries, aclp) == 0) |
| ret = ARCHIVE_OK; |
| else { |
| if (errno == EOPNOTSUPP) { |
| /* Filesystem doesn't support ACLs */ |
| ret = ARCHIVE_OK; |
| } else { |
| archive_set_error(a, errno, |
| "Failed to set acl on fd: %s", tname); |
| ret = ARCHIVE_WARN; |
| } |
| } |
| } else if (acl(name, cmd, entries, aclp) != 0) { |
| if (errno == EOPNOTSUPP) { |
| /* Filesystem doesn't support ACLs */ |
| ret = ARCHIVE_OK; |
| } else { |
| archive_set_error(a, errno, "Failed to set acl: %s", |
| tname); |
| ret = ARCHIVE_WARN; |
| } |
| } |
| exit_free: |
| free(aclp); |
| return (ret); |
| } |
| |
| int |
| archive_read_disk_entry_setup_acls(struct archive_read_disk *a, |
| struct archive_entry *entry, int *fd) |
| { |
| const char *accpath; |
| void *aclp; |
| int aclcnt; |
| int r; |
| |
| accpath = NULL; |
| |
| if (*fd < 0) { |
| accpath = archive_read_disk_entry_setup_path(a, entry, fd); |
| if (accpath == NULL) |
| return (ARCHIVE_WARN); |
| } |
| |
| archive_entry_acl_clear(entry); |
| |
| aclp = NULL; |
| |
| #if ARCHIVE_ACL_SUNOS_NFS4 |
| if (*fd >= 0) |
| aclp = sunacl_get(ACE_GETACL, &aclcnt, *fd, NULL); |
| else if ((!a->follow_symlinks) |
| && (archive_entry_filetype(entry) == AE_IFLNK)) |
| /* We can't get the ACL of a symlink, so we assume it can't |
| have one. */ |
| aclp = NULL; |
| else |
| aclp = sunacl_get(ACE_GETACL, &aclcnt, 0, accpath); |
| |
| if (aclp != NULL && sun_acl_is_trivial(aclp, aclcnt, |
| archive_entry_mode(entry), 1, S_ISDIR(archive_entry_mode(entry)), |
| &r) == 0 && r == 1) { |
| free(aclp); |
| aclp = NULL; |
| return (ARCHIVE_OK); |
| } |
| |
| if (aclp != NULL) { |
| r = translate_acl(a, entry, aclp, aclcnt, |
| ARCHIVE_ENTRY_ACL_TYPE_NFS4); |
| free(aclp); |
| aclp = NULL; |
| |
| if (r != ARCHIVE_OK) { |
| archive_set_error(&a->archive, errno, |
| "Couldn't translate NFSv4 ACLs"); |
| } |
| return (r); |
| } |
| #endif /* ARCHIVE_ACL_SUNOS_NFS4 */ |
| |
| /* Retrieve POSIX.1e ACLs from file. */ |
| if (*fd >= 0) |
| aclp = sunacl_get(GETACL, &aclcnt, *fd, NULL); |
| else if ((!a->follow_symlinks) |
| && (archive_entry_filetype(entry) == AE_IFLNK)) |
| /* We can't get the ACL of a symlink, so we assume it can't |
| have one. */ |
| aclp = NULL; |
| else |
| aclp = sunacl_get(GETACL, &aclcnt, 0, accpath); |
| |
| /* Ignore "trivial" ACLs that just mirror the file mode. */ |
| if (aclp != NULL && sun_acl_is_trivial(aclp, aclcnt, |
| archive_entry_mode(entry), 0, S_ISDIR(archive_entry_mode(entry)), |
| &r) == 0 && r == 1) { |
| free(aclp); |
| aclp = NULL; |
| } |
| |
| if (aclp != NULL) |
| { |
| r = translate_acl(a, entry, aclp, aclcnt, |
| ARCHIVE_ENTRY_ACL_TYPE_ACCESS); |
| free(aclp); |
| aclp = NULL; |
| |
| if (r != ARCHIVE_OK) { |
| archive_set_error(&a->archive, errno, |
| "Couldn't translate access ACLs"); |
| return (r); |
| } |
| } |
| |
| return (ARCHIVE_OK); |
| } |
| |
| int |
| archive_write_disk_set_acls(struct archive *a, int fd, const char *name, |
| struct archive_acl *abstract_acl, __LA_MODE_T mode) |
| { |
| int ret = ARCHIVE_OK; |
| |
| (void)mode; /* UNUSED */ |
| |
| if ((archive_acl_types(abstract_acl) |
| & ARCHIVE_ENTRY_ACL_TYPE_POSIX1E) != 0) { |
| /* Solaris writes POSIX.1e access and default ACLs together */ |
| ret = set_acl(a, fd, name, abstract_acl, |
| ARCHIVE_ENTRY_ACL_TYPE_POSIX1E, "posix1e"); |
| |
| /* Simultaneous POSIX.1e and NFSv4 is not supported */ |
| return (ret); |
| } |
| #if ARCHIVE_ACL_SUNOS_NFS4 |
| else if ((archive_acl_types(abstract_acl) & |
| ARCHIVE_ENTRY_ACL_TYPE_NFS4) != 0) { |
| ret = set_acl(a, fd, name, abstract_acl, |
| ARCHIVE_ENTRY_ACL_TYPE_NFS4, "nfs4"); |
| } |
| #endif |
| return (ret); |
| } |
| #endif /* ARCHIVE_ACL_SUNOS */ |