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author | Alexander Bokovoy <ab@samba.org> | 2006-08-01 08:27:19 +0000 |
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committer | Gerald (Jerry) Carter <jerry@samba.org> | 2007-10-10 11:38:27 -0500 |
commit | 16bf23d973b899f570b6793cf52507086d74d66a (patch) | |
tree | 408df31c99305ad43fc3f35c5c7626d486d2d5a2 /source3/modules/vfs_gpfsacl.c | |
parent | 4cf5769331bb9432fb7455f6eb0384b0282f605f (diff) | |
download | samba-16bf23d973b899f570b6793cf52507086d74d66a.tar.gz samba-16bf23d973b899f570b6793cf52507086d74d66a.tar.bz2 samba-16bf23d973b899f570b6793cf52507086d74d66a.zip |
r17354: Revert -r 17353 per Volker request while gpfs compatibility layer code will be released.
(This used to be commit 5b1db0151461af18d994359e86c649922fc6de65)
Diffstat (limited to 'source3/modules/vfs_gpfsacl.c')
-rw-r--r-- | source3/modules/vfs_gpfsacl.c | 610 |
1 files changed, 0 insertions, 610 deletions
diff --git a/source3/modules/vfs_gpfsacl.c b/source3/modules/vfs_gpfsacl.c index b66200fe56..e69de29bb2 100644 --- a/source3/modules/vfs_gpfsacl.c +++ b/source3/modules/vfs_gpfsacl.c @@ -1,610 +0,0 @@ -/* - * Convert GPFS acls to NT acls and vice versa. - * - * Copyright (C) Volker Lendecke, 2006 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * 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 - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include "includes.h" - -#undef DBGC_CLASS -#define DBGC_CLASS DBGC_VFS - -#include <gpfs.h> -#include "nfs4_acls.h" - -static void gpfs_dumpacl(int level, struct gpfs_acl *gacl) -{ - int i; - if (gacl==NULL) - { - DEBUG(0, ("gpfs acl is NULL\n")); - return; - } - - DEBUG(level, ("gpfs acl: nace: %d, type:%d, version:%d, level:%d, len:%d\n", - gacl->acl_nace, gacl->acl_type, gacl->acl_version, gacl->acl_level, gacl->acl_len)); - for(i=0; i<gacl->acl_nace; i++) - { - struct gpfs_ace_v4 *gace = gacl->ace_v4 + i; - DEBUG(level, ("\tace[%d]: type:%d, flags:0x%x, mask:0x%x, iflags:0x%x, who:%u\n", - i, gace->aceType, gace->aceFlags, gace->aceMask, - gace->aceIFlags, gace->aceWho)); - } -} - -static struct gpfs_acl *gpfs_getacl_alloc(const char *fname, gpfs_aclType_t type) -{ - struct gpfs_acl *acl; - size_t len = 200; - int ret; - TALLOC_CTX *mem_ctx = main_loop_talloc_get(); - - acl = (struct gpfs_acl *)talloc_size(mem_ctx, len); - if (acl == NULL) { - errno = ENOMEM; - return NULL; - } - - acl->acl_len = len; - acl->acl_level = 0; - acl->acl_version = 0; - acl->acl_type = type; - - ret = smbd_gpfs_getacl((char *)fname, GPFS_GETACL_STRUCT, acl); - if ((ret != 0) && (errno == ENOSPC)) { - struct gpfs_acl *new_acl = (struct gpfs_acl *)talloc_size( - mem_ctx, acl->acl_len + sizeof(struct gpfs_acl)); - if (new_acl == NULL) { - errno = ENOMEM; - return NULL; - } - - new_acl->acl_len = acl->acl_len; - new_acl->acl_level = acl->acl_level; - new_acl->acl_version = acl->acl_version; - new_acl->acl_type = acl->acl_type; - acl = new_acl; - - ret = smbd_gpfs_getacl((char *)fname, GPFS_GETACL_STRUCT, acl); - } - if (ret != 0) - { - DEBUG(8, ("smbd_gpfs_getacl failed with %s\n",strerror(errno))); - return NULL; - } - - return acl; -} - -static BOOL gpfs_get_nfs4_acl(struct files_struct *fsp, SMB4ACL_T **ppacl, BOOL *pretryPosix) -{ - TALLOC_CTX *mem_ctx; - int i; - struct gpfs_acl *gacl = NULL; - - mem_ctx = main_loop_talloc_get(); - - DEBUG(10, ("gpfs_get_nfs4_acl invoked for %s\n", fsp->fsp_name)); - - /* First get the real acl length */ - gacl = gpfs_getacl_alloc(fsp->fsp_name, GPFS_ACL_TYPE_NFS4); - if (gacl == NULL) { - DEBUG(9, ("gpfs_getacl failed for %s with %s\n", - fsp->fsp_name, strerror(errno))); - return False; - } - - if (gacl->acl_type != GPFS_ACL_TYPE_NFS4) { - DEBUG(10, ("Got non-nfsv4 acl\n")); - *pretryPosix = True; - return False; - } - - *ppacl = smb_create_smb4acl(); - - DEBUG(10, ("len: %d, level: %d, version: %d, nace: %d\n", - gacl->acl_len, gacl->acl_level, gacl->acl_version, - gacl->acl_nace)); - - for (i=0; i<gacl->acl_nace; i++) { - struct gpfs_ace_v4 *gace = &gacl->ace_v4[i]; - SMB_ACE4PROP_T smbace; - memset(&smbace, 0, sizeof(SMB4ACE_T)); - - DEBUG(10, ("type: %d, iflags: %x, flags: %x, mask: %x, " - "who: %d\n", gace->aceType, gace->aceIFlags, - gace->aceFlags, gace->aceMask, gace->aceWho)); - - if (gace->aceIFlags & ACE4_IFLAG_SPECIAL_ID) { - smbace.flags |= SMB_ACE4_ID_SPECIAL; - switch (gace->aceWho) { - case ACE4_SPECIAL_OWNER: - smbace.who.special_id = SMB_ACE4_WHO_OWNER; - break; - case ACE4_SPECIAL_GROUP: - smbace.who.special_id = SMB_ACE4_WHO_GROUP; - break; - case ACE4_SPECIAL_EVERYONE: - smbace.who.special_id = SMB_ACE4_WHO_EVERYONE; - break; - default: - DEBUG(8, ("invalid special gpfs id %d " - "ignored\n", gace->aceWho)); - continue; /* don't add it */ - } - } else { - if (gace->aceFlags & ACE4_FLAG_GROUP_ID) - smbace.who.gid = gace->aceWho; - else - smbace.who.uid = gace->aceWho; - } - - smbace.aceType = gace->aceType; - smbace.aceFlags = gace->aceFlags; - smbace.aceMask = gace->aceMask; - smbace.flags = (gace->aceIFlags&ACE4_IFLAG_SPECIAL_ID) ? SMB_ACE4_ID_SPECIAL : 0; - - smb_add_ace4(*ppacl, &smbace); - } - - return True; -} - -static size_t gpfsacl_get_nt_acl_common(files_struct *fsp, - uint32 security_info, SEC_DESC **ppdesc) -{ - SMB4ACL_T *pacl = NULL; - BOOL result; - BOOL retryPosix = False; - - *ppdesc = NULL; - result = gpfs_get_nfs4_acl(fsp, &pacl, &retryPosix); - if (retryPosix) - { - DEBUG(10, ("retrying with posix acl...\n")); - return get_nt_acl(fsp, security_info, ppdesc); - } - if (result==False) - return 0; - - return smb_get_nt_acl_nfs4(fsp, security_info, ppdesc, pacl); -} - -size_t gpfsacl_fget_nt_acl(vfs_handle_struct *handle, - files_struct *fsp, int fd, uint32 security_info, - SEC_DESC **ppdesc) -{ - return gpfsacl_get_nt_acl_common(fsp, security_info, ppdesc); -} - -size_t gpfsacl_get_nt_acl(vfs_handle_struct *handle, - files_struct *fsp, const char *name, - uint32 security_info, SEC_DESC **ppdesc) -{ - return gpfsacl_get_nt_acl_common(fsp, security_info, ppdesc); -} - -static BOOL gpfsacl_process_smbacl(files_struct *fsp, SMB4ACL_T *smbacl) -{ - int ret; - gpfs_aclLen_t gacl_len; - SMB4ACE_T *smbace; - struct gpfs_acl *gacl; - TALLOC_CTX *mem_ctx = main_loop_talloc_get(); - - gacl_len = sizeof(struct gpfs_acl) + - (smb_get_naces(smbacl)-1)*sizeof(gpfs_ace_v4_t); - - gacl = talloc_size(mem_ctx, gacl_len); - if (gacl == NULL) { - DEBUG(0, ("talloc failed\n")); - errno = ENOMEM; - return False; - } - - gacl->acl_len = gacl_len; - gacl->acl_level = 0; - gacl->acl_version = GPFS_ACL_VERSION_NFS4; - gacl->acl_type = GPFS_ACL_TYPE_NFS4; - gacl->acl_nace = 0; /* change later... */ - - for (smbace=smb_first_ace4(smbacl); smbace!=NULL; smbace = smb_next_ace4(smbace)) { - struct gpfs_ace_v4 *gace = &gacl->ace_v4[gacl->acl_nace]; - SMB_ACE4PROP_T *aceprop = smb_get_ace4(smbace); - - gace->aceType = aceprop->aceType; - gace->aceFlags = aceprop->aceFlags; - gace->aceMask = aceprop->aceMask; - gace->aceIFlags = (aceprop->flags&SMB_ACE4_ID_SPECIAL) ? ACE4_IFLAG_SPECIAL_ID : 0; - - if (aceprop->flags&SMB_ACE4_ID_SPECIAL) - { - switch(aceprop->who.special_id) - { - case SMB_ACE4_WHO_EVERYONE: - gace->aceWho = ACE4_SPECIAL_EVERYONE; - break; - case SMB_ACE4_WHO_OWNER: - gace->aceWho = ACE4_SPECIAL_OWNER; - break; - case SMB_ACE4_WHO_GROUP: - gace->aceWho = ACE4_SPECIAL_GROUP; - break; - default: - DEBUG(8, ("unsupported special_id %d\n", aceprop->who.special_id)); - continue; /* don't add it !!! */ - } - } else { - /* just only for the type safety... */ - if (aceprop->aceFlags&SMB_ACE4_IDENTIFIER_GROUP) - gace->aceWho = aceprop->who.gid; - else - gace->aceWho = aceprop->who.uid; - } - - gacl->acl_nace++; - } - - ret = smbd_gpfs_putacl(fsp->fsp_name, GPFS_PUTACL_STRUCT, gacl); - if (ret != 0) { - DEBUG(8, ("gpfs_putacl failed with %s\n", strerror(errno))); - gpfs_dumpacl(8, gacl); - return False; - } - - DEBUG(10, ("gpfs_putacl succeeded\n")); - return True; -} - -static BOOL gpfsacl_set_nt_acl_internal(files_struct *fsp, uint32 security_info_sent, SEC_DESC *psd) -{ - struct gpfs_acl *acl; - BOOL result = False; - - acl = gpfs_getacl_alloc(fsp->fsp_name, GPFS_ACL_TYPE_ACCESS); - if (acl == NULL) - return False; - - if (acl->acl_version&GPFS_ACL_VERSION_NFS4) - { - result = smb_set_nt_acl_nfs4( - fsp, security_info_sent, psd, - gpfsacl_process_smbacl); - } else { /* assume POSIX ACL - by default... */ - result = set_nt_acl(fsp, security_info_sent, psd); - } - - return result; -} - -static BOOL gpfsacl_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp, int fd, uint32 security_info_sent, SEC_DESC *psd) -{ - return gpfsacl_set_nt_acl_internal(fsp, security_info_sent, psd); -} - -static BOOL gpfsacl_set_nt_acl(vfs_handle_struct *handle, files_struct *fsp, char *name, uint32 security_info_sent, SEC_DESC *psd) -{ - return gpfsacl_set_nt_acl_internal(fsp, security_info_sent, psd); -} - -static SMB_ACL_T gpfs2smb_acl(const struct gpfs_acl *pacl) -{ - SMB_ACL_T result; - int i; - - result = sys_acl_init(pacl->acl_nace); - if (result == NULL) { - errno = ENOMEM; - return NULL; - } - - result->count = pacl->acl_nace; - - for (i=0; i<pacl->acl_nace; i++) { - struct smb_acl_entry *ace = &result->acl[i]; - const struct gpfs_ace_v1 *g_ace = &pacl->ace_v1[i]; - - DEBUG(10, ("Converting type %d id %lu perm %x\n", - (int)g_ace->ace_type, (unsigned long)g_ace->ace_who, - (int)g_ace->ace_perm)); - - switch (g_ace->ace_type) { - case GPFS_ACL_USER: - ace->a_type = SMB_ACL_USER; - ace->uid = (uid_t)g_ace->ace_who; - break; - case GPFS_ACL_USER_OBJ: - ace->a_type = SMB_ACL_USER_OBJ; - break; - case GPFS_ACL_GROUP: - ace->a_type = SMB_ACL_GROUP; - ace->gid = (gid_t)g_ace->ace_who; - break; - case GPFS_ACL_GROUP_OBJ: - ace->a_type = SMB_ACL_GROUP_OBJ; - break; - case GPFS_ACL_OTHER: - ace->a_type = SMB_ACL_OTHER; - break; - case GPFS_ACL_MASK: - ace->a_type = SMB_ACL_MASK; - break; - default: - DEBUG(10, ("Got invalid ace_type: %d\n", - g_ace->ace_type)); - errno = EINVAL; - SAFE_FREE(result); - return NULL; - } - - ace->a_perm = 0; - ace->a_perm |= (g_ace->ace_perm & ACL_PERM_READ) ? - SMB_ACL_READ : 0; - ace->a_perm |= (g_ace->ace_perm & ACL_PERM_WRITE) ? - SMB_ACL_WRITE : 0; - ace->a_perm |= (g_ace->ace_perm & ACL_PERM_EXECUTE) ? - SMB_ACL_EXECUTE : 0; - - DEBUGADD(10, ("Converted to %d perm %x\n", - ace->a_type, ace->a_perm)); - } - - return result; -} - -static SMB_ACL_T gpfsacl_get_posix_acl(const char *path, gpfs_aclType_t type) -{ - struct gpfs_acl *pacl; - SMB_ACL_T result = NULL; - - pacl = gpfs_getacl_alloc(path, type); - - if (pacl == NULL) { - DEBUG(10, ("gpfs_getacl failed for %s with %s\n", - path, strerror(errno))); - if (errno == 0) { - errno = EINVAL; - } - goto done; - } - - if (pacl->acl_version != GPFS_ACL_VERSION_POSIX) { - DEBUG(10, ("Got acl version %d, expected %d\n", - pacl->acl_version, GPFS_ACL_VERSION_POSIX)); - errno = EINVAL; - goto done; - } - - DEBUG(10, ("len: %d, level: %d, version: %d, nace: %d\n", - pacl->acl_len, pacl->acl_level, pacl->acl_version, - pacl->acl_nace)); - - result = gpfs2smb_acl(pacl); - if (result == NULL) { - goto done; - } - - done: - - if (errno != 0) { - SAFE_FREE(result); - } - return result; -} - -SMB_ACL_T gpfsacl_sys_acl_get_file(vfs_handle_struct *handle, - connection_struct *conn, - const char *path_p, - SMB_ACL_TYPE_T type) -{ - gpfs_aclType_t gpfs_type; - - switch(type) { - case SMB_ACL_TYPE_ACCESS: - gpfs_type = GPFS_ACL_TYPE_ACCESS; - break; - case SMB_ACL_TYPE_DEFAULT: - gpfs_type = GPFS_ACL_TYPE_DEFAULT; - break; - default: - DEBUG(0, ("Got invalid type: %d\n", type)); - smb_panic("exiting"); - } - - return gpfsacl_get_posix_acl(path_p, gpfs_type); -} - -SMB_ACL_T gpfsacl_sys_acl_get_fd(vfs_handle_struct *handle, - files_struct *fsp, - int fd) -{ - return gpfsacl_get_posix_acl(fsp->fsp_name, GPFS_ACL_TYPE_ACCESS); -} - -static struct gpfs_acl *smb2gpfs_acl(const SMB_ACL_T pacl, - SMB_ACL_TYPE_T type) -{ - gpfs_aclLen_t len; - struct gpfs_acl *result; - int i; - union gpfs_ace_union - { - gpfs_ace_v1_t ace_v1[1]; /* when GPFS_ACL_VERSION_POSIX */ - gpfs_ace_v4_t ace_v4[1]; /* when GPFS_ACL_VERSION_NFS4 */ - }; - - DEBUG(10, ("smb2gpfs_acl: Got ACL with %d entries\n", pacl->count)); - - len = sizeof(struct gpfs_acl) - sizeof(union gpfs_ace_union) + - (pacl->count)*sizeof(gpfs_ace_v1_t); - - result = SMB_MALLOC(len); - if (result == NULL) { - errno = ENOMEM; - return result; - } - - result->acl_len = len; - result->acl_level = 0; - result->acl_version = GPFS_ACL_VERSION_POSIX; - result->acl_type = (type == SMB_ACL_TYPE_DEFAULT) ? - GPFS_ACL_TYPE_DEFAULT : GPFS_ACL_TYPE_ACCESS; - result->acl_nace = pacl->count; - - for (i=0; i<pacl->count; i++) { - const struct smb_acl_entry *ace = &pacl->acl[i]; - struct gpfs_ace_v1 *g_ace = &result->ace_v1[i]; - - DEBUG(10, ("Converting type %d perm %x\n", - (int)ace->a_type, (int)ace->a_perm)); - - g_ace->ace_perm = 0; - - switch(ace->a_type) { - case SMB_ACL_USER: - g_ace->ace_type = GPFS_ACL_USER; - g_ace->ace_who = (gpfs_uid_t)ace->uid; - break; - case SMB_ACL_USER_OBJ: - g_ace->ace_type = GPFS_ACL_USER_OBJ; - g_ace->ace_perm |= ACL_PERM_CONTROL; - g_ace->ace_who = 0; - break; - case SMB_ACL_GROUP: - g_ace->ace_type = GPFS_ACL_GROUP; - g_ace->ace_who = (gpfs_uid_t)ace->gid; - break; - case SMB_ACL_GROUP_OBJ: - g_ace->ace_type = GPFS_ACL_GROUP_OBJ; - g_ace->ace_who = 0; - break; - case SMB_ACL_MASK: - g_ace->ace_type = GPFS_ACL_MASK; - g_ace->ace_perm = 0x8f; - g_ace->ace_who = 0; - break; - case SMB_ACL_OTHER: - g_ace->ace_type = GPFS_ACL_OTHER; - g_ace->ace_who = 0; - break; - default: - DEBUG(10, ("Got invalid ace_type: %d\n", ace->a_type)); - errno = EINVAL; - SAFE_FREE(result); - return NULL; - } - - g_ace->ace_perm |= (ace->a_perm & SMB_ACL_READ) ? - ACL_PERM_READ : 0; - g_ace->ace_perm |= (ace->a_perm & SMB_ACL_WRITE) ? - ACL_PERM_WRITE : 0; - g_ace->ace_perm |= (ace->a_perm & SMB_ACL_EXECUTE) ? - ACL_PERM_EXECUTE : 0; - - DEBUGADD(10, ("Converted to %d id %d perm %x\n", - g_ace->ace_type, g_ace->ace_who, g_ace->ace_perm)); - } - - return result; -} - -int gpfsacl_sys_acl_set_file(vfs_handle_struct *handle, - connection_struct *conn, - const char *name, - SMB_ACL_TYPE_T type, - SMB_ACL_T theacl) -{ - struct gpfs_acl *gpfs_acl; - int result; - - gpfs_acl = smb2gpfs_acl(theacl, type); - if (gpfs_acl == NULL) { - return -1; - } - - result = smbd_gpfs_putacl((char *)name, GPFS_PUTACL_STRUCT, gpfs_acl); - - SAFE_FREE(gpfs_acl); - return result; -} - -int gpfsacl_sys_acl_set_fd(vfs_handle_struct *handle, - files_struct *fsp, - int fd, SMB_ACL_T theacl) -{ - errno = ENOTSUP; - return -1; -} - -int gpfsacl_sys_acl_delete_def_file(vfs_handle_struct *handle, - connection_struct *conn, - const char *path) -{ - errno = ENOTSUP; - return -1; -} - -/* VFS operations structure */ - -static vfs_op_tuple gpfsacl_ops[] = -{ - {SMB_VFS_OP(gpfsacl_fget_nt_acl), - SMB_VFS_OP_FGET_NT_ACL, - SMB_VFS_LAYER_TRANSPARENT}, - - {SMB_VFS_OP(gpfsacl_get_nt_acl), - SMB_VFS_OP_GET_NT_ACL, - SMB_VFS_LAYER_TRANSPARENT}, - - {SMB_VFS_OP(gpfsacl_fset_nt_acl), - SMB_VFS_OP_FSET_NT_ACL, - SMB_VFS_LAYER_TRANSPARENT}, - - {SMB_VFS_OP(gpfsacl_set_nt_acl), - SMB_VFS_OP_SET_NT_ACL, - SMB_VFS_LAYER_TRANSPARENT}, - - {SMB_VFS_OP(gpfsacl_sys_acl_get_file), - SMB_VFS_OP_SYS_ACL_GET_FILE, - SMB_VFS_LAYER_TRANSPARENT}, - - {SMB_VFS_OP(gpfsacl_sys_acl_get_fd), - SMB_VFS_OP_SYS_ACL_GET_FD, - SMB_VFS_LAYER_TRANSPARENT}, - - {SMB_VFS_OP(gpfsacl_sys_acl_set_file), - SMB_VFS_OP_SYS_ACL_SET_FILE, - SMB_VFS_LAYER_TRANSPARENT}, - - {SMB_VFS_OP(gpfsacl_sys_acl_set_fd), - SMB_VFS_OP_SYS_ACL_SET_FD, - SMB_VFS_LAYER_TRANSPARENT}, - - {SMB_VFS_OP(gpfsacl_sys_acl_delete_def_file), - SMB_VFS_OP_SYS_ACL_DELETE_DEF_FILE, - SMB_VFS_LAYER_TRANSPARENT}, - - {SMB_VFS_OP(NULL), - SMB_VFS_OP_NOOP, - SMB_VFS_LAYER_NOOP} -}; - -NTSTATUS vfs_gpfsacl_init(void) -{ - return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "gpfsacl", - gpfsacl_ops); -} |