diff options
Diffstat (limited to 'source3/smbd')
| -rw-r--r-- | source3/smbd/trans2.c | 371 |
1 files changed, 213 insertions, 158 deletions
diff --git a/source3/smbd/trans2.c b/source3/smbd/trans2.c index 6167fa30bd..1a48a7b6f2 100644 --- a/source3/smbd/trans2.c +++ b/source3/smbd/trans2.c @@ -568,9 +568,9 @@ static struct ea_list *ea_list_union(struct ea_list *name_list, struct ea_list * int send_trans2_replies(char *outbuf, int bufsize, - char *params, + const char *params, int paramsize, - char *pdata, + const char *pdata, int datasize, int max_data_bytes) { @@ -583,8 +583,8 @@ int send_trans2_replies(char *outbuf, int data_to_send = datasize; int params_to_send = paramsize; int useable_space; - char *pp = params; - char *pd = pdata; + const char *pp = params; + const char *pd = pdata; int params_sent_thistime, data_sent_thistime, total_sent_thistime; int alignment_offset = 1; /* JRA. This used to be 3. Set to 1 to make netmon parse ok. */ int data_alignment_offset = 0; @@ -3749,7 +3749,7 @@ static int smb_info_set_ea(connection_struct *conn, char *outbuf, int bufsize, char *params, - char *pdata, + const char *pdata, int total_data, unsigned int max_data_bytes, files_struct *fsp, @@ -3810,7 +3810,7 @@ static int smb_set_file_disposition_info(connection_struct *conn, char *outbuf, int bufsize, char *params, - char *pdata, + const char *pdata, int total_data, unsigned int max_data_bytes, files_struct *fsp, @@ -3853,7 +3853,7 @@ static int smb_file_position_information(connection_struct *conn, char *outbuf, int bufsize, char *params, - char *pdata, + const char *pdata, int total_data, unsigned int max_data_bytes, files_struct *fsp) @@ -3899,7 +3899,7 @@ static int smb_file_mode_information(connection_struct *conn, char *outbuf, int bufsize, char *params, - char *pdata, + const char *pdata, int total_data, unsigned int max_data_bytes) { @@ -3928,7 +3928,7 @@ static int smb_set_file_unix_link(connection_struct *conn, char *outbuf, int bufsize, char *params, - char *pdata, + const char *pdata, int total_data, unsigned int max_data_bytes, const char *fname) @@ -3997,7 +3997,7 @@ static int smb_set_file_unix_hlink(connection_struct *conn, char *outbuf, int bufsize, char *params, - char *pdata, + const char *pdata, int total_data, unsigned int max_data_bytes, pstring fname) @@ -4037,7 +4037,7 @@ static int smb_file_rename_information(connection_struct *conn, char *outbuf, int bufsize, char *params, - char *pdata, + const char *pdata, int total_data, unsigned int max_data_bytes, files_struct *fsp, @@ -4109,6 +4109,189 @@ static int smb_file_rename_information(connection_struct *conn, } /**************************************************************************** + Deal with SMB_SET_POSIX_ACL. +****************************************************************************/ + +#if defined(HAVE_POSIX_ACLS) +static int smb_set_posix_acl(connection_struct *conn, + char *outbuf, + int bufsize, + char *params, + const char *pdata, + int total_data, + unsigned int max_data_bytes, + files_struct *fsp, + const char *fname) +{ + uint16 posix_acl_version; + uint16 num_file_acls; + uint16 num_def_acls; + BOOL valid_file_acls = True; + BOOL valid_def_acls = True; + + if (total_data < SMB_POSIX_ACL_HEADER_SIZE) { + return ERROR_NT(NT_STATUS_INVALID_PARAMETER); + } + posix_acl_version = SVAL(pdata,0); + num_file_acls = SVAL(pdata,2); + num_def_acls = SVAL(pdata,4); + + if (num_file_acls == SMB_POSIX_IGNORE_ACE_ENTRIES) { + valid_file_acls = False; + num_file_acls = 0; + } + + if (num_def_acls == SMB_POSIX_IGNORE_ACE_ENTRIES) { + valid_def_acls = False; + num_def_acls = 0; + } + + if (posix_acl_version != SMB_POSIX_ACL_VERSION) { + return ERROR_NT(NT_STATUS_INVALID_PARAMETER); + } + + if (total_data < SMB_POSIX_ACL_HEADER_SIZE + + (num_file_acls+num_def_acls)*SMB_POSIX_ACL_ENTRY_SIZE) { + return ERROR_NT(NT_STATUS_INVALID_PARAMETER); + } + + if (valid_file_acls && !set_unix_posix_acl(conn, fsp, fname, num_file_acls, + pdata + SMB_POSIX_ACL_HEADER_SIZE)) { + return(UNIXERROR(ERRDOS,ERRnoaccess)); + } + + if (valid_def_acls && !set_unix_posix_default_acl(conn, fname, &sbuf, num_def_acls, + pdata + SMB_POSIX_ACL_HEADER_SIZE + + (num_file_acls*SMB_POSIX_ACL_ENTRY_SIZE))) { + return(UNIXERROR(ERRDOS,ERRnoaccess)); + } + + SSVAL(params,0,0); + send_trans2_replies(outbuf, bufsize, params, 2, pdata, 0, max_data_bytes); + return -1; +} +#endif + +/**************************************************************************** + Deal with SMB_SET_POSIX_LOCK. +****************************************************************************/ + +static int smb_set_posix_lock(connection_struct *conn, + char *inbuf, + char *outbuf, + int length, + int bufsize, + char *params, + const char *pdata, + int total_data, + unsigned int max_data_bytes, + files_struct *fsp) +{ + SMB_BIG_UINT count; + SMB_BIG_UINT offset; + uint32 lock_pid; + BOOL blocking_lock = False; + enum brl_type lock_type; + NTSTATUS status = NT_STATUS_OK; + + if (fsp == NULL || fsp->fh->fd == -1) { + return ERROR_NT(NT_STATUS_INVALID_HANDLE); + } + + if (total_data != POSIX_LOCK_DATA_SIZE) { + return ERROR_NT(NT_STATUS_INVALID_PARAMETER); + } + + switch (SVAL(pdata, POSIX_LOCK_TYPE_OFFSET)) { + case POSIX_LOCK_TYPE_READ: + lock_type = READ_LOCK; + break; + case POSIX_LOCK_TYPE_WRITE: + /* Return the right POSIX-mappable error code for files opened read-only. */ + if (!fsp->can_write) { + return ERROR_NT(NT_STATUS_INVALID_HANDLE); + } + lock_type = WRITE_LOCK; + break; + case POSIX_LOCK_TYPE_UNLOCK: + lock_type = UNLOCK_LOCK; + break; + default: + return ERROR_NT(NT_STATUS_INVALID_PARAMETER); + } + + if (SVAL(pdata,POSIX_LOCK_FLAGS_OFFSET) == POSIX_LOCK_FLAG_NOWAIT) { + blocking_lock = False; + } else if (SVAL(pdata,POSIX_LOCK_FLAGS_OFFSET) == POSIX_LOCK_FLAG_WAIT) { + blocking_lock = True; + } else { + return ERROR_NT(NT_STATUS_INVALID_PARAMETER); + } + + if (!lp_blocking_locks(SNUM(conn))) { + blocking_lock = False; + } + + lock_pid = IVAL(pdata, POSIX_LOCK_PID_OFFSET); +#if defined(HAVE_LONGLONG) + offset = (((SMB_BIG_UINT) IVAL(pdata,(POSIX_LOCK_START_OFFSET+4))) << 32) | + ((SMB_BIG_UINT) IVAL(pdata,POSIX_LOCK_START_OFFSET)); + count = (((SMB_BIG_UINT) IVAL(pdata,(POSIX_LOCK_LEN_OFFSET+4))) << 32) | + ((SMB_BIG_UINT) IVAL(pdata,POSIX_LOCK_LEN_OFFSET)); +#else /* HAVE_LONGLONG */ + offset = (SMB_BIG_UINT)IVAL(pdata,POSIX_LOCK_START_OFFSET); + count = (SMB_BIG_UINT)IVAL(pdata,POSIX_LOCK_LEN_OFFSET); +#endif /* HAVE_LONGLONG */ + + if (lock_type == UNLOCK_LOCK) { + status = do_unlock(fsp, + lock_pid, + count, + offset, + POSIX_LOCK); + } else { + struct byte_range_lock *br_lck = do_lock(fsp, + lock_pid, + count, + offset, + lock_type, + POSIX_LOCK, + blocking_lock, + &status); + + if (br_lck && blocking_lock && ERROR_WAS_LOCK_DENIED(status)) { + /* + * A blocking lock was requested. Package up + * this smb into a queued request and push it + * onto the blocking lock queue. + */ + if(push_blocking_lock_request(br_lck, + inbuf, length, + fsp, + -1, /* infinite timeout. */ + 0, + lock_pid, + lock_type, + POSIX_LOCK, + offset, + count)) { + TALLOC_FREE(br_lck); + return -1; + } + } + TALLOC_FREE(br_lck); + } + + if (!NT_STATUS_IS_OK(status)) { + return ERROR_NT(status); + } + + SSVAL(params,0,0); + send_trans2_replies(outbuf, bufsize, params, 2, pdata, 0, max_data_bytes); + return -1; +} + +/**************************************************************************** Reply to a TRANS2_SETFILEINFO (set file info by fileid or pathname). ****************************************************************************/ @@ -4685,158 +4868,30 @@ size = %.0f, uid = %u, gid = %u, raw perms = 0%o\n", #if defined(HAVE_POSIX_ACLS) case SMB_SET_POSIX_ACL: { - uint16 posix_acl_version; - uint16 num_file_acls; - uint16 num_def_acls; - BOOL valid_file_acls = True; - BOOL valid_def_acls = True; - - if (total_data < SMB_POSIX_ACL_HEADER_SIZE) { - return ERROR_NT(NT_STATUS_INVALID_PARAMETER); - } - posix_acl_version = SVAL(pdata,0); - num_file_acls = SVAL(pdata,2); - num_def_acls = SVAL(pdata,4); - - if (num_file_acls == SMB_POSIX_IGNORE_ACE_ENTRIES) { - valid_file_acls = False; - num_file_acls = 0; - } - - if (num_def_acls == SMB_POSIX_IGNORE_ACE_ENTRIES) { - valid_def_acls = False; - num_def_acls = 0; - } - - if (posix_acl_version != SMB_POSIX_ACL_VERSION) { - return ERROR_NT(NT_STATUS_INVALID_PARAMETER); - } - - if (total_data < SMB_POSIX_ACL_HEADER_SIZE + - (num_file_acls+num_def_acls)*SMB_POSIX_ACL_ENTRY_SIZE) { - return ERROR_NT(NT_STATUS_INVALID_PARAMETER); - } - - if (valid_file_acls && !set_unix_posix_acl(conn, fsp, fname, num_file_acls, - pdata + SMB_POSIX_ACL_HEADER_SIZE)) { - return(UNIXERROR(ERRDOS,ERRnoaccess)); - } - - if (valid_def_acls && !set_unix_posix_default_acl(conn, fname, &sbuf, num_def_acls, - pdata + SMB_POSIX_ACL_HEADER_SIZE + - (num_file_acls*SMB_POSIX_ACL_ENTRY_SIZE))) { - return(UNIXERROR(ERRDOS,ERRnoaccess)); - } - - SSVAL(params,0,0); - send_trans2_replies(outbuf, bufsize, params, 2, *ppdata, 0, max_data_bytes); - return(-1); + return smb_set_posix_acl(conn, + outbuf, + bufsize, + params, + pdata, + total_data, + max_data_bytes, + fsp, + fname); } #endif case SMB_SET_POSIX_LOCK: { - SMB_BIG_UINT count; - SMB_BIG_UINT offset; - uint32 lock_pid; - BOOL blocking_lock = False; - enum brl_type lock_type; - - if (fsp == NULL || fsp->fh->fd == -1) { - return ERROR_NT(NT_STATUS_INVALID_HANDLE); - } - - if (total_data != POSIX_LOCK_DATA_SIZE) { - return ERROR_NT(NT_STATUS_INVALID_PARAMETER); - } - - switch (SVAL(pdata, POSIX_LOCK_TYPE_OFFSET)) { - case POSIX_LOCK_TYPE_READ: - lock_type = READ_LOCK; - break; - case POSIX_LOCK_TYPE_WRITE: - /* Return the right POSIX-mappable error code for files opened read-only. */ - if (!fsp->can_write) { - return ERROR_NT(NT_STATUS_INVALID_HANDLE); - } - lock_type = WRITE_LOCK; - break; - case POSIX_LOCK_TYPE_UNLOCK: - lock_type = UNLOCK_LOCK; - break; - default: - return ERROR_NT(NT_STATUS_INVALID_PARAMETER); - } - - if (SVAL(pdata,POSIX_LOCK_FLAGS_OFFSET) == POSIX_LOCK_FLAG_NOWAIT) { - blocking_lock = False; - } else if (SVAL(pdata,POSIX_LOCK_FLAGS_OFFSET) == POSIX_LOCK_FLAG_WAIT) { - blocking_lock = True; - } else { - return ERROR_NT(NT_STATUS_INVALID_PARAMETER); - } - - if (!lp_blocking_locks(SNUM(conn))) { - blocking_lock = False; - } - - lock_pid = IVAL(pdata, POSIX_LOCK_PID_OFFSET); -#if defined(HAVE_LONGLONG) - offset = (((SMB_BIG_UINT) IVAL(pdata,(POSIX_LOCK_START_OFFSET+4))) << 32) | - ((SMB_BIG_UINT) IVAL(pdata,POSIX_LOCK_START_OFFSET)); - count = (((SMB_BIG_UINT) IVAL(pdata,(POSIX_LOCK_LEN_OFFSET+4))) << 32) | - ((SMB_BIG_UINT) IVAL(pdata,POSIX_LOCK_LEN_OFFSET)); -#else /* HAVE_LONGLONG */ - offset = (SMB_BIG_UINT)IVAL(pdata,POSIX_LOCK_START_OFFSET); - count = (SMB_BIG_UINT)IVAL(pdata,POSIX_LOCK_LEN_OFFSET); -#endif /* HAVE_LONGLONG */ - - if (lock_type == UNLOCK_LOCK) { - status = do_unlock(fsp, - lock_pid, - count, - offset, - POSIX_LOCK); - } else { - struct byte_range_lock *br_lck = do_lock(fsp, - lock_pid, - count, - offset, - lock_type, - POSIX_LOCK, - blocking_lock, - &status); - - if (br_lck && blocking_lock && ERROR_WAS_LOCK_DENIED(status)) { - /* - * A blocking lock was requested. Package up - * this smb into a queued request and push it - * onto the blocking lock queue. - */ - if(push_blocking_lock_request(br_lck, - inbuf, length, - fsp, - -1, /* infinite timeout. */ - 0, - lock_pid, - lock_type, - POSIX_LOCK, - offset, - count)) { - TALLOC_FREE(br_lck); - return -1; - } - } - TALLOC_FREE(br_lck); - } - - if (!NT_STATUS_IS_OK(status)) { - return ERROR_NT(status); - } - - SSVAL(params,0,0); - send_trans2_replies(outbuf, bufsize, params, 2, *ppdata, 0, max_data_bytes); - return(-1); + return smb_set_posix_lock(conn, + inbuf, + outbuf, + length, + bufsize, + params, + pdata, + total_data, + max_data_bytes, + fsp); } default: |