/* Unix SMB/Netbios implementation. SMB client library implementation Copyright (C) Andrew Tridgell 1998 Copyright (C) Richard Sharpe 2000, 2002 Copyright (C) John Terpstra 2000 Copyright (C) Tom Jansen (Ninja ISD) 2002 Copyright (C) Derrell Lipman 2003-2008 Copyright (C) Jeremy Allison 2007, 2008 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 3 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, see <http://www.gnu.org/licenses/>. */ #include "includes.h" #ifndef _LIBSMB_INTERNAL_H_ #define _LIBSMB_INTERNAL_H_ #include "../include/libsmbclient.h" #include "libsmb/clirap.h" #define SMBC_MAX_NAME 1023 #define SMBC_FILE_MODE (S_IFREG | 0444) #define SMBC_DIR_MODE (S_IFDIR | 0555) /* * DOS Attribute values (used internally) */ typedef struct DOS_ATTR_DESC { int mode; SMB_OFF_T size; time_t create_time; time_t access_time; time_t write_time; time_t change_time; SMB_INO_T inode; } DOS_ATTR_DESC; /* * Internal flags for extended attributes */ /* internal mode values */ #define SMBC_XATTR_MODE_ADD 1 #define SMBC_XATTR_MODE_REMOVE 2 #define SMBC_XATTR_MODE_REMOVE_ALL 3 #define SMBC_XATTR_MODE_SET 4 #define SMBC_XATTR_MODE_CHOWN 5 #define SMBC_XATTR_MODE_CHGRP 6 #define CREATE_ACCESS_READ READ_CONTROL_ACCESS /*We should test for this in configure ... */ #ifndef ENOTSUP #define ENOTSUP EOPNOTSUPP #endif struct _SMBCSRV { struct cli_state *cli; dev_t dev; bool no_pathinfo; bool no_pathinfo2; bool no_nt_session; struct policy_handle pol; SMBCSRV *next, *prev; }; /* * Keep directory entries in a list */ struct smbc_dir_list { struct smbc_dir_list *next; struct smbc_dirent *dirent; }; /* * Structure for open file management */ struct _SMBCFILE { int cli_fd; char *fname; SMB_OFF_T offset; struct _SMBCSRV *srv; bool file; struct smbc_dir_list *dir_list, *dir_end, *dir_next; int dir_type, dir_error; SMBCFILE *next, *prev; }; /* * Context structure */ struct SMBC_internal_data { /* True when this handle is initialized */ bool initialized; /* dirent pointer location */ struct smbc_dirent dirent; /* * Leave room for any urlencoded filename and the comment field. * * We use (NAME_MAX * 3) plus whatever the max length of a comment is, * plus a couple of null terminators (one after the filename, * one after the comment). * * According to <linux/limits.h>, NAME_MAX is 255. Is it longer * anyplace else? */ char _dirent_name[1024]; /* * server connection list */ SMBCSRV * servers; /* * open file/dir list */ SMBCFILE * files; /* * Support "Create Time" in get/set with the *xattr() functions, if * true. This replaces the dos attribute strings C_TIME, A_TIME and * M_TIME with CHANGE_TIME, ACCESS_TIME and WRITE_TIME, and adds * CREATE_TIME. Default is FALSE, i.e. to use the old-style shorter * names and to not support CREATE time, for backward compatibility. */ bool full_time_names; /* * The share mode of a file being opened. To match POSIX semantics * (and maintain backward compatibility), DENY_NONE is the default. */ smbc_share_mode share_mode; /* * Authentication function which includes the context. This will be * used if set; otherwise context->callbacks.auth_fn() will be used. */ smbc_get_auth_data_with_context_fn auth_fn_with_context; /* * An opaque (to this library) user data handle which can be set * and retrieved with smbc_option_set() and smbc_option_get(). */ void * user_data; /* * Should we attempt UNIX smb encryption ? * Set to 0 if we should never attempt, set to 1 if * encryption requested, set to 2 if encryption required. */ smbc_smb_encrypt_level smb_encryption_level; /* * Should we request case sensitivity of file names? */ bool case_sensitive; /* * Auth info needed for DFS traversal. */ struct user_auth_info *auth_info; struct smbc_server_cache * server_cache; /* POSIX emulation functions */ struct { #if 0 /* Left in libsmbclient.h for backward compatibility */ smbc_open_fn open_fn; smbc_creat_fn creat_fn; smbc_read_fn read_fn; smbc_write_fn write_fn; smbc_unlink_fn unlink_fn; smbc_rename_fn rename_fn; smbc_lseek_fn lseek_fn; smbc_stat_fn stat_fn; smbc_fstat_fn fstat_fn; #endif smbc_statvfs_fn statvfs_fn; smbc_fstatvfs_fn fstatvfs_fn; smbc_ftruncate_fn ftruncate_fn; #if 0 /* Left in libsmbclient.h for backward compatibility */ smbc_close_fn close_fn; smbc_opendir_fn opendir_fn; smbc_closedir_fn closedir_fn; smbc_readdir_fn readdir_fn; smbc_getdents_fn getdents_fn; smbc_mkdir_fn mkdir_fn; smbc_rmdir_fn rmdir_fn; smbc_telldir_fn telldir_fn; smbc_lseekdir_fn lseekdir_fn; smbc_fstatdir_fn fstatdir_fn; smbc_chmod_fn chmod_fn; smbc_utimes_fn utimes_fn; smbc_setxattr_fn setxattr_fn; smbc_getxattr_fn getxattr_fn; smbc_removexattr_fn removexattr_fn; smbc_listxattr_fn listxattr_fn; #endif } posix_emu; #if 0 /* Left in libsmbclient.h for backward compatibility */ /* Printing-related functions */ struct { smbc_print_file_fn print_file_fn; smbc_open_print_job_fn open_print_job_fn; smbc_list_print_jobs_fn list_print_jobs_fn; smbc_unlink_print_job_fn unlink_print_job_fn; } printing; #endif #if 0 /* None available yet */ /* SMB high-level functions */ struct { } smb; #endif }; /* Functions in libsmb_cache.c */ int SMBC_add_cached_server(SMBCCTX * context, SMBCSRV * newsrv, const char * server, const char * share, const char * workgroup, const char * username); SMBCSRV * SMBC_get_cached_server(SMBCCTX * context, const char * server, const char * share, const char * workgroup, const char * user); int SMBC_remove_cached_server(SMBCCTX * context, SMBCSRV * server); int SMBC_purge_cached_servers(SMBCCTX * context); /* Functions in libsmb_dir.c */ int SMBC_check_options(char *server, char *share, char *path, char *options); SMBCFILE * SMBC_opendir_ctx(SMBCCTX *context, const char *fname); int SMBC_closedir_ctx(SMBCCTX *context, SMBCFILE *dir); struct smbc_dirent * SMBC_readdir_ctx(SMBCCTX *context, SMBCFILE *dir); int SMBC_getdents_ctx(SMBCCTX *context, SMBCFILE *dir, struct smbc_dirent *dirp, int count); int SMBC_mkdir_ctx(SMBCCTX *context, const char *fname, mode_t mode); int SMBC_rmdir_ctx(SMBCCTX *context, const char *fname); off_t SMBC_telldir_ctx(SMBCCTX *context, SMBCFILE *dir); int SMBC_lseekdir_ctx(SMBCCTX *context, SMBCFILE *dir, off_t offset); int SMBC_fstatdir_ctx(SMBCCTX *context, SMBCFILE *dir, struct stat *st); int SMBC_chmod_ctx(SMBCCTX *context, const char *fname, mode_t newmode); int SMBC_utimes_ctx(SMBCCTX *context, const char *fname, struct timeval *tbuf); int SMBC_unlink_ctx(SMBCCTX *context, const char *fname); int SMBC_rename_ctx(SMBCCTX *ocontext, const char *oname, SMBCCTX *ncontext, const char *nname); /* Functions in libsmb_file.c */ SMBCFILE * SMBC_open_ctx(SMBCCTX *context, const char *fname, int flags, mode_t mode); SMBCFILE * SMBC_creat_ctx(SMBCCTX *context, const char *path, mode_t mode); ssize_t SMBC_read_ctx(SMBCCTX *context, SMBCFILE *file, void *buf, size_t count); ssize_t SMBC_write_ctx(SMBCCTX *context, SMBCFILE *file, const void *buf, size_t count); int SMBC_close_ctx(SMBCCTX *context, SMBCFILE *file); bool SMBC_getatr(SMBCCTX * context, SMBCSRV *srv, const char *path, uint16 *mode, SMB_OFF_T *size, struct timespec *create_time_ts, struct timespec *access_time_ts, struct timespec *write_time_ts, struct timespec *change_time_ts, SMB_INO_T *ino); bool SMBC_setatr(SMBCCTX * context, SMBCSRV *srv, char *path, time_t create_time, time_t access_time, time_t write_time, time_t change_time, uint16 mode); off_t SMBC_lseek_ctx(SMBCCTX *context, SMBCFILE *file, off_t offset, int whence); int SMBC_ftruncate_ctx(SMBCCTX *context, SMBCFILE *file, off_t length); /* Functions in libsmb_misc.c */ int SMBC_dlist_contains(SMBCFILE * list, SMBCFILE *p); int SMBC_errno(SMBCCTX *context, struct cli_state *c); /* Functions in libsmb_path.c */ int SMBC_parse_path(TALLOC_CTX *ctx, SMBCCTX *context, const char *fname, char **pp_workgroup, char **pp_server, char **pp_share, char **pp_path, char **pp_user, char **pp_password, char **pp_options); /* Functions in libsmb_printjob.c */ SMBCFILE * SMBC_open_print_job_ctx(SMBCCTX *context, const char *fname); int SMBC_print_file_ctx(SMBCCTX *c_file, const char *fname, SMBCCTX *c_print, const char *printq); int SMBC_list_print_jobs_ctx(SMBCCTX *context, const char *fname, smbc_list_print_job_fn fn); int SMBC_unlink_print_job_ctx(SMBCCTX *context, const char *fname, int id); /* Functions in libsmb_server.c */ int SMBC_check_server(SMBCCTX * context, SMBCSRV * server); int SMBC_remove_unused_server(SMBCCTX * context, SMBCSRV * srv); void SMBC_call_auth_fn(TALLOC_CTX *ctx, SMBCCTX *context, const char *server, const char *share, char **pp_workgroup, char **pp_username, char **pp_password); void SMBC_get_auth_data(const char *server, const char *share, char *workgroup_buf, int workgroup_buf_len, char *username_buf, int username_buf_len, char *password_buf, int password_buf_len); SMBCSRV * SMBC_find_server(TALLOC_CTX *ctx, SMBCCTX *context, const char *server, const char *share, char **pp_workgroup, char **pp_username, char **pp_password); SMBCSRV * SMBC_server(TALLOC_CTX *ctx, SMBCCTX *context, bool connect_if_not_found, const char *server, const char *share, char **pp_workgroup, char **pp_username, char **pp_password); SMBCSRV * SMBC_attr_server(TALLOC_CTX *ctx, SMBCCTX *context, const char *server, const char *share, char **pp_workgroup, char **pp_username, char **pp_password); /* Functions in libsmb_stat.c */ int SMBC_stat_ctx(SMBCCTX *context, const char *fname, struct stat *st); int SMBC_fstat_ctx(SMBCCTX *context, SMBCFILE *file, struct stat *st); int SMBC_statvfs_ctx(SMBCCTX *context, char *path, struct statvfs *st); int SMBC_fstatvfs_ctx(SMBCCTX *context, SMBCFILE *file, struct statvfs *st); /* Functions in libsmb_xattr.c */ int SMBC_setxattr_ctx(SMBCCTX *context, const char *fname, const char *name, const void *value, size_t size, int flags); int SMBC_getxattr_ctx(SMBCCTX *context, const char *fname, const char *name, const void *value, size_t size); int SMBC_removexattr_ctx(SMBCCTX *context, const char *fname, const char *name); int SMBC_listxattr_ctx(SMBCCTX *context, const char *fname, char *list, size_t size); #endif