X-Git-Url: https://vcs.maemo.org/git/?a=blobdiff_plain;f=source%2Finclude%2Flibsmbclient.h;fp=source%2Finclude%2Flibsmbclient.h;h=6d3a0cda09d9924da84ce0c09b3ab9bb0d06b565;hb=6bca4ca307d55b6dc888e56cee47aebcddbce786;hp=0000000000000000000000000000000000000000;hpb=7fd70fa738b636089bcc6c961aa3eaa02f20dda2;p=samba diff --git a/source/include/libsmbclient.h b/source/include/libsmbclient.h new file mode 100644 index 0000000..6d3a0cd --- /dev/null +++ b/source/include/libsmbclient.h @@ -0,0 +1,2103 @@ +/*===================================================================== + Unix SMB/Netbios implementation. + SMB client library API definitions + Copyright (C) Andrew Tridgell 1998 + Copyright (C) Richard Sharpe 2000 + Copyright (C) John Terpsra 2000 + Copyright (C) Tom Jansen (Ninja ISD) 2002 + Copyright (C) Derrell Lipman 2003 + + + 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. + =====================================================================*/ + +#ifndef SMBCLIENT_H_INCLUDED +#define SMBCLIENT_H_INCLUDED + +#ifdef __cplusplus +extern "C" { +#endif + +/*-------------------------------------------------------------------*/ +/* The following are special comments to instruct DOXYGEN (automated + * documentation tool: +*/ +/** \defgroup libsmbclient +*/ +/** \defgroup structure Data Structures Type and Constants +* \ingroup libsmbclient +* Data structures, types, and constants +*/ +/** \defgroup callback Callback function types +* \ingroup libsmbclient +* Callback functions +*/ +/** \defgroup file File Functions +* \ingroup libsmbclient +* Functions used to access individual file contents +*/ +/** \defgroup directory Directory Functions +* \ingroup libsmbclient +* Functions used to access directory entries +*/ +/** \defgroup attribute Attributes Functions +* \ingroup libsmbclient +* Functions used to view or change file and directory attributes +*/ +/** \defgroup print Print Functions +* \ingroup libsmbclient +* Functions used to access printing functionality +*/ +/** \defgroup misc Miscellaneous Functions +* \ingroup libsmbclient +* Functions that don't fit in to other categories +*/ +/*-------------------------------------------------------------------*/ + +/* Make sure we have the following includes for now ... */ +#include +#include +#include +#include + +#define SMBC_BASE_FD 10000 /* smallest file descriptor returned */ + +#define SMBC_WORKGROUP 1 +#define SMBC_SERVER 2 +#define SMBC_FILE_SHARE 3 +#define SMBC_PRINTER_SHARE 4 +#define SMBC_COMMS_SHARE 5 +#define SMBC_IPC_SHARE 6 +#define SMBC_DIR 7 +#define SMBC_FILE 8 +#define SMBC_LINK 9 + +/**@ingroup structure + * Structure that represents a directory entry. + * + */ +struct smbc_dirent +{ + /** Type of entity. + SMBC_WORKGROUP=1, + SMBC_SERVER=2, + SMBC_FILE_SHARE=3, + SMBC_PRINTER_SHARE=4, + SMBC_COMMS_SHARE=5, + SMBC_IPC_SHARE=6, + SMBC_DIR=7, + SMBC_FILE=8, + SMBC_LINK=9,*/ + unsigned int smbc_type; + + /** Length of this smbc_dirent in bytes + */ + unsigned int dirlen; + /** The length of the comment string in bytes (does not include + * null terminator) + */ + unsigned int commentlen; + /** Points to the null terminated comment string + */ + char *comment; + /** The length of the name string in bytes (does not include + * null terminator) + */ + unsigned int namelen; + /** Points to the null terminated name string + */ + char name[1]; +}; + +/* + * Flags for smbc_setxattr() + * Specify a bitwise OR of these, or 0 to add or replace as necessary + */ +#define SMBC_XATTR_FLAG_CREATE 0x1 /* fail if attr already exists */ +#define SMBC_XATTR_FLAG_REPLACE 0x2 /* fail if attr does not exist */ + + +/* + * Mappings of the DOS mode bits, as returned by smbc_getxattr() when the + * attribute name "system.dos_attr.mode" (or "system.dos_attr.*" or + * "system.*") is specified. + */ +#define SMBC_DOS_MODE_READONLY 0x01 +#define SMBC_DOS_MODE_HIDDEN 0x02 +#define SMBC_DOS_MODE_SYSTEM 0x04 +#define SMBC_DOS_MODE_VOLUME_ID 0x08 +#define SMBC_DOS_MODE_DIRECTORY 0x10 +#define SMBC_DOS_MODE_ARCHIVE 0x20 + + +#ifndef ENOATTR +# define ENOATTR ENOENT /* No such attribute */ +#endif + + + + +/**@ingroup structure + * Structure that represents a print job. + * + */ +#ifndef _CLIENT_H +struct print_job_info +{ + /** numeric ID of the print job + */ + unsigned short id; + + /** represents print job priority (lower numbers mean higher priority) + */ + unsigned short priority; + + /** Size of the print job + */ + size_t size; + + /** Name of the user that owns the print job + */ + char user[128]; + + /** Name of the print job. This will have no name if an anonymous print + * file was opened. Ie smb://server/printer + */ + char name[128]; + + /** Time the print job was spooled + */ + time_t t; +}; +#endif /* _CLIENT_H */ + + +/**@ingroup structure + * Server handle + */ +typedef struct _SMBCSRV SMBCSRV; + +/**@ingroup structure + * File or directory handle + */ +typedef struct _SMBCFILE SMBCFILE; + +/**@ingroup structure + * File or directory handle + */ +typedef struct _SMBCCTX SMBCCTX; + + + + + +/**@ingroup callback + * Authentication callback function type. + * + * Type for the the authentication function called by the library to + * obtain authentication credentals + * + * @param srv Server being authenticated to + * + * @param shr Share being authenticated to + * + * @param wg Pointer to buffer containing a "hint" for the + * workgroup to be authenticated. Should be filled in + * with the correct workgroup if the hint is wrong. + * + * @param wglen The size of the workgroup buffer in bytes + * + * @param un Pointer to buffer containing a "hint" for the + * user name to be use for authentication. Should be + * filled in with the correct workgroup if the hint is + * wrong. + * + * @param unlen The size of the username buffer in bytes + * + * @param pw Pointer to buffer containing to which password + * copied + * + * @param pwlen The size of the password buffer in bytes + * + */ +typedef void (*smbc_get_auth_data_fn)(const char *srv, + const char *shr, + char *wg, int wglen, + char *un, int unlen, + char *pw, int pwlen); + + +/**@ingroup callback + * Print job info callback function type. + * + * @param i pointer to print job information structure + * + */ +typedef void (*smbc_list_print_job_fn)(struct print_job_info *i); + + +/**@ingroup callback + * Check if a server is still good + * + * @param c pointer to smb context + * + * @param srv pointer to server to check + * + * @return 0 when connection is good. 1 on error. + * + */ +typedef int (*smbc_check_server_fn)(SMBCCTX * c, SMBCSRV *srv); + +/**@ingroup callback + * Remove a server if unused + * + * @param c pointer to smb context + * + * @param srv pointer to server to remove + * + * @return 0 on success. 1 on failure. + * + */ +typedef int (*smbc_remove_unused_server_fn)(SMBCCTX * c, SMBCSRV *srv); + + +/**@ingroup callback + * Add a server to the cache system + * + * @param c pointer to smb context + * + * @param srv pointer to server to add + * + * @param server server name + * + * @param share share name + * + * @param workgroup workgroup used to connect + * + * @param username username used to connect + * + * @return 0 on success. 1 on failure. + * + */ +typedef int (*smbc_add_cached_srv_fn) (SMBCCTX * c, SMBCSRV *srv, + const char * server, const char * share, + const char * workgroup, const char * username); + +/**@ingroup callback + * Look up a server in the cache system + * + * @param c pointer to smb context + * + * @param server server name to match + * + * @param share share name to match + * + * @param workgroup workgroup to match + * + * @param username username to match + * + * @return pointer to SMBCSRV on success. NULL on failure. + * + */ +typedef SMBCSRV * (*smbc_get_cached_srv_fn) (SMBCCTX * c, const char * server, + const char * share, const char * workgroup, + const char * username); + +/**@ingroup callback + * Check if a server is still good + * + * @param c pointer to smb context + * + * @param srv pointer to server to remove + * + * @return 0 when found and removed. 1 on failure. + * + */ +typedef int (*smbc_remove_cached_srv_fn)(SMBCCTX * c, SMBCSRV *srv); + + +/**@ingroup callback + * Try to remove all servers from the cache system and disconnect + * + * @param c pointer to smb context + * + * @return 0 when found and removed. 1 on failure. + * + */ +typedef int (*smbc_purge_cached_fn) (SMBCCTX * c); + + +/**@ingroup structure + * Structure that contains a client context information + * This structure is know as SMBCCTX + */ +struct _SMBCCTX { + /** debug level + */ + int debug; + + /** netbios name used for making connections + */ + char * netbios_name; + + /** workgroup name used for making connections + */ + char * workgroup; + + /** username used for making connections + */ + char * user; + + /** timeout used for waiting on connections / response data (in milliseconds) + */ + int timeout; + + /** callable functions for files: + * For usage and return values see the smbc_* functions + */ + SMBCFILE * (*open) (SMBCCTX *c, const char *fname, int flags, mode_t mode); + SMBCFILE * (*creat) (SMBCCTX *c, const char *path, mode_t mode); + ssize_t (*read) (SMBCCTX *c, SMBCFILE *file, void *buf, size_t count); + ssize_t (*write) (SMBCCTX *c, SMBCFILE *file, void *buf, size_t count); + int (*unlink) (SMBCCTX *c, const char *fname); + int (*rename) (SMBCCTX *ocontext, const char *oname, + SMBCCTX *ncontext, const char *nname); + off_t (*lseek) (SMBCCTX *c, SMBCFILE * file, off_t offset, int whence); + int (*stat) (SMBCCTX *c, const char *fname, struct stat *st); + int (*fstat) (SMBCCTX *c, SMBCFILE *file, struct stat *st); + int (*close_fn) (SMBCCTX *c, SMBCFILE *file); + + /** callable functions for dirs + */ + SMBCFILE * (*opendir) (SMBCCTX *c, const char *fname); + int (*closedir)(SMBCCTX *c, SMBCFILE *dir); + struct smbc_dirent * (*readdir)(SMBCCTX *c, SMBCFILE *dir); + int (*getdents)(SMBCCTX *c, SMBCFILE *dir, + struct smbc_dirent *dirp, int count); + int (*mkdir) (SMBCCTX *c, const char *fname, mode_t mode); + int (*rmdir) (SMBCCTX *c, const char *fname); + off_t (*telldir) (SMBCCTX *c, SMBCFILE *dir); + int (*lseekdir)(SMBCCTX *c, SMBCFILE *dir, off_t offset); + int (*fstatdir)(SMBCCTX *c, SMBCFILE *dir, struct stat *st); + int (*chmod)(SMBCCTX *c, const char *fname, mode_t mode); + int (*utimes)(SMBCCTX *c, + const char *fname, struct timeval *tbuf); + int (*setxattr)(SMBCCTX *context, + const char *fname, + const char *name, + const void *value, + size_t size, + int flags); + int (*getxattr)(SMBCCTX *context, + const char *fname, + const char *name, + const void *value, + size_t size); + int (*removexattr)(SMBCCTX *context, + const char *fname, + const char *name); + int (*listxattr)(SMBCCTX *context, + const char *fname, + char *list, + size_t size); + + /** callable functions for printing + */ + int (*print_file)(SMBCCTX *c_file, const char *fname, + SMBCCTX *c_print, const char *printq); + SMBCFILE * (*open_print_job)(SMBCCTX *c, const char *fname); + int (*list_print_jobs)(SMBCCTX *c, const char *fname, smbc_list_print_job_fn fn); + int (*unlink_print_job)(SMBCCTX *c, const char *fname, int id); + + + /** Callbacks + * These callbacks _always_ have to be initialized because they will not be checked + * at dereference for increased speed. + */ + struct _smbc_callbacks { + /** authentication function callback: called upon auth requests + */ + smbc_get_auth_data_fn auth_fn; + + /** check if a server is still good + */ + smbc_check_server_fn check_server_fn; + + /** remove a server if unused + */ + smbc_remove_unused_server_fn remove_unused_server_fn; + + /** Cache subsystem + * For an example cache system see samba/source/libsmb/libsmb_cache.c + * Cache subsystem functions follow. + */ + + /** server cache addition + */ + smbc_add_cached_srv_fn add_cached_srv_fn; + + /** server cache lookup + */ + smbc_get_cached_srv_fn get_cached_srv_fn; + + /** server cache removal + */ + smbc_remove_cached_srv_fn remove_cached_srv_fn; + + /** server cache purging, try to remove all cached servers (disconnect) + */ + smbc_purge_cached_fn purge_cached_fn; + } callbacks; + + + /** Space to store private data of the server cache. + */ + struct smbc_server_cache * server_cache; + + int flags; + + /** user options selections that apply to this session + */ + struct _smbc_options { + + /* + * From how many local master browsers should the list of + * workgroups be retrieved? It can take up to 12 minutes or + * longer after a server becomes a local master browser, for + * it to have the entire browse list (the list of + * workgroups/domains) from an entire network. Since a client + * never knows which local master browser will be found first, + * the one which is found first and used to retrieve a browse + * list may have an incomplete or empty browse list. By + * requesting the browse list from multiple local master + * browsers, a more complete list can be generated. For small + * networks (few workgroups), it is recommended that this + * value be set to 0, causing the browse lists from all found + * local master browsers to be retrieved and merged. For + * networks with many workgroups, a suitable value for this + * variable is probably somewhere around 3. (Default: 3). + */ + int browse_max_lmb_count; + + /* + * There is a difference in the desired return strings from + * smbc_readdir() depending upon whether the filenames are to + * be displayed to the user, or whether they are to be + * appended to the path name passed to smbc_opendir() to call + * a further smbc_ function (e.g. open the file with + * smbc_open()). In the former case, the filename should be + * in "human readable" form. In the latter case, the smbc_ + * functions expect a URL which must be url-encoded. Those + * functions decode the URL. If, for example, smbc_readdir() + * returned a file name of "abc%20def.txt", passing a path + * with this file name attached to smbc_open() would cause + * smbc_open to attempt to open the file "abc def.txt" since + * the %20 is decoded into a space. + * + * Set this option to True if the names returned by + * smbc_readdir() should be url-encoded such that they can be + * passed back to another smbc_ call. Set it to False if the + * names returned by smbc_readdir() are to be presented to the + * user. + * + * For backwards compatibility, this option defaults to False. + */ + int urlencode_readdir_entries; + + /* + * Some Windows versions appear to have a limit to the number + * of concurrent SESSIONs and/or TREE CONNECTions. In + * one-shot programs (i.e. the program runs and then quickly + * ends, thereby shutting down all connections), it is + * probably reasonable to establish a new connection for each + * share. In long-running applications, the limitation can be + * avoided by using only a single connection to each server, + * and issuing a new TREE CONNECT when the share is accessed. + */ + int one_share_per_server; + } options; + + /** INTERNAL DATA + * do _NOT_ touch this from your program ! + */ + struct smbc_internal_data * internal; +}; + +/* Flags for SMBCCTX->flags */ +#define SMB_CTX_FLAG_USE_KERBEROS (1 << 0) +#define SMB_CTX_FLAG_FALLBACK_AFTER_KERBEROS (1 << 1) +#define SMBCCTX_FLAG_NO_AUTO_ANONYMOUS_LOGON (1 << 2) /* don't try to do automatic anon login */ + +/**@ingroup misc + * Create a new SBMCCTX (a context). + * + * Must be called before the context is passed to smbc_context_init() + * + * @return The given SMBCCTX pointer on success, NULL on error with errno set: + * - ENOMEM Out of memory + * + * @see smbc_free_context(), smbc_init_context() + * + * @note Do not forget to smbc_init_context() the returned SMBCCTX pointer ! + */ +SMBCCTX * smbc_new_context(void); + +/**@ingroup misc + * Delete a SBMCCTX (a context) acquired from smbc_new_context(). + * + * The context will be deleted if possible. + * + * @param context A pointer to a SMBCCTX obtained from smbc_new_context() + * + * @param shutdown_ctx If 1, all connections and files will be closed even if they are busy. + * + * + * @return Returns 0 on succes. Returns 1 on failure with errno set: + * - EBUSY Server connections are still used, Files are open or cache + * could not be purged + * - EBADF context == NULL + * + * @see smbc_new_context() + * + * @note It is advised to clean up all the contexts with shutdown_ctx set to 1 + * just before exit()'ing. When shutdown_ctx is 0, this function can be + * use in periodical cleanup functions for example. + */ +int smbc_free_context(SMBCCTX * context, int shutdown_ctx); + + +/**@ingroup misc + * Initialize a SBMCCTX (a context). + * + * Must be called before using any SMBCCTX API function + * + * @param context A pointer to a SMBCCTX obtained from smbc_new_context() + * + * @return A pointer to the given SMBCCTX on success, NULL on error with errno set: + * - EBADF NULL context given + * - ENOMEM Out of memory + * - ENOENT The smb.conf file would not load + * + * @see smbc_new_context() + * + * @note my_context = smbc_init_context(smbc_new_context()) is perfectly safe, + * but it might leak memory on smbc_context_init() failure. Avoid this. + * You'll have to call smbc_free_context() yourself on failure. + */ + +SMBCCTX * smbc_init_context(SMBCCTX * context); + +/**@ingroup misc + * Initialize the samba client library. + * + * Must be called before using any of the smbclient API function + * + * @param fn The function that will be called to obtaion + * authentication credentials. + * + * @param debug Allows caller to set the debug level. Can be + * changed in smb.conf file. Allows caller to set + * debugging if no smb.conf. + * + * @return 0 on success, < 0 on error with errno set: + * - ENOMEM Out of memory + * - ENOENT The smb.conf file would not load + * + */ + +int smbc_init(smbc_get_auth_data_fn fn, int debug); + +/**@ingroup misc + * Set or retrieve the compatibility library's context pointer + * + * @param context New context to use, or NULL. If a new context is provided, + * it must have allocated with smbc_new_context() and + * initialized with smbc_init_context(), followed, optionally, + * by some manual changes to some of the non-internal fields. + * + * @return The old context. + * + * @see smbc_new_context(), smbc_init_context(), smbc_init() + * + * @note This function may be called prior to smbc_init() to force + * use of the next context without any internal calls to + * smbc_new_context() or smbc_init_context(). It may also + * be called after smbc_init() has already called those two + * functions, to replace the existing context with a new one. + * Care should be taken, in this latter case, to ensure that + * the server cache and any data allocated by the + * authentication functions have been freed, if necessary. + */ + +SMBCCTX * smbc_set_context(SMBCCTX * new_context); + +/**@ingroup file + * Open a file on an SMB server. + * + * @param furl The smb url of the file to be opened. + * + * @param flags Is one of O_RDONLY, O_WRONLY or O_RDWR which + * request opening the file read-only,write-only + * or read/write. flags may also be bitwise-or'd with + * one or more of the following: + * O_CREAT - If the file does not exist it will be + * created. + * O_EXCL - When used with O_CREAT, if the file + * already exists it is an error and the open will + * fail. + * O_TRUNC - If the file already exists it will be + * truncated. + * O_APPEND The file is opened in append mode + * + * @param mode mode specifies the permissions to use if a new + * file is created. It is modified by the + * process's umask in the usual way: the permissions + * of the created file are (mode & ~umask) + * + * Not currently use, but there for future use. + * We will map this to SYSTEM, HIDDEN, etc bits + * that reverses the mapping that smbc_fstat does. + * + * @return Valid file handle, < 0 on error with errno set: + * - ENOMEM Out of memory + * - EINVAL if an invalid parameter passed, like no + * file, or smbc_init not called. + * - EEXIST pathname already exists and O_CREAT and + * O_EXCL were used. + * - EISDIR pathname refers to a directory and + * the access requested involved writing. + * - EACCES The requested access to the file is not + * allowed + * - ENODEV The requested share does not exist + * - ENOTDIR A file on the path is not a directory + * - ENOENT A directory component in pathname does + * not exist. + * + * @see smbc_creat() + * + * @note This call uses an underlying routine that may create + * a new connection to the server specified in the URL. + * If the credentials supplied in the URL, or via the + * auth_fn in the smbc_init call, fail, this call will + * try again with an empty username and password. This + * often gets mapped to the guest account on some machines. + */ + +int smbc_open(const char *furl, int flags, mode_t mode); + +/**@ingroup file + * Create a file on an SMB server. + * + * Same as calling smbc_open() with flags = O_CREAT|O_WRONLY|O_TRUNC + * + * @param furl The smb url of the file to be created + * + * @param mode mode specifies the permissions to use if a new + * file is created. It is modified by the + * process's umask in the usual way: the permissions + * of the created file are (mode & ~umask) + * + * NOTE, the above is not true. We are dealing with + * an SMB server, which has no concept of a umask! + * + * @return Valid file handle, < 0 on error with errno set: + * - ENOMEM Out of memory + * - EINVAL if an invalid parameter passed, like no + * file, or smbc_init not called. + * - EEXIST pathname already exists and O_CREAT and + * O_EXCL were used. + * - EISDIR pathname refers to a directory and + * the access requested involved writing. + * - EACCES The requested access to the file is not + * allowed + * - ENOENT A directory component in pathname does + * not exist. + * - ENODEV The requested share does not exist. + * @see smbc_open() + * + */ + +int smbc_creat(const char *furl, mode_t mode); + +/**@ingroup file + * Read from a file using an opened file handle. + * + * @param fd Open file handle from smbc_open() or smbc_creat() + * + * @param buf Pointer to buffer to recieve read data + * + * @param bufsize Size of buf in bytes + * + * @return Number of bytes read, < 0 on error with errno set: + * - EISDIR fd refers to a directory + * - EBADF fd is not a valid file descriptor or + * is not open for reading. + * - EINVAL fd is attached to an object which is + * unsuitable for reading, or no buffer passed or + * smbc_init not called. + * + * @see smbc_open(), smbc_write() + * + */ +ssize_t smbc_read(int fd, void *buf, size_t bufsize); + + +/**@ingroup file + * Write to a file using an opened file handle. + * + * @param fd Open file handle from smbc_open() or smbc_creat() + * + * @param buf Pointer to buffer to recieve read data + * + * @param bufsize Size of buf in bytes + * + * @return Number of bytes written, < 0 on error with errno set: + * - EISDIR fd refers to a directory. + * - EBADF fd is not a valid file descriptor or + * is not open for reading. + * - EINVAL fd is attached to an object which is + * unsuitable for reading, or no buffer passed or + * smbc_init not called. + * + * @see smbc_open(), smbc_read() + * + */ +ssize_t smbc_write(int fd, void *buf, size_t bufsize); + + +/**@ingroup file + * Seek to a specific location in a file. + * + * @param fd Open file handle from smbc_open() or smbc_creat() + * + * @param offset Offset in bytes from whence + * + * @param whence A location in the file: + * - SEEK_SET The offset is set to offset bytes from + * the beginning of the file + * - SEEK_CUR The offset is set to current location + * plus offset bytes. + * - SEEK_END The offset is set to the size of the + * file plus offset bytes. + * + * @return Upon successful completion, lseek returns the + * resulting offset location as measured in bytes + * from the beginning of the file. Otherwise, a value + * of (off_t)-1 is returned and errno is set to + * indicate the error: + * - EBADF Fildes is not an open file descriptor. + * - EINVAL Whence is not a proper value or smbc_init + * not called. + * + * @todo Are all the whence values really supported? + * + * @todo Are errno values complete and correct? + */ +off_t smbc_lseek(int fd, off_t offset, int whence); + + +/**@ingroup file + * Close an open file handle. + * + * @param fd The file handle to close + * + * @return 0 on success, < 0 on error with errno set: + * - EBADF fd isn't a valid open file descriptor + * - EINVAL smbc_init() failed or has not been called + * + * @see smbc_open(), smbc_creat() + */ +int smbc_close(int fd); + + +/**@ingroup directory + * Unlink (delete) a file or directory. + * + * @param furl The smb url of the file to delete + * + * @return 0 on success, < 0 on error with errno set: + * - EACCES or EPERM Write access to the directory + * containing pathname is not allowed or one + * of the directories in pathname did not allow + * search (execute) permission + * - ENOENT A directory component in pathname does + * not exist + * - EINVAL NULL was passed in the file param or + * smbc_init not called. + * - EACCES You do not have access to the file + * - ENOMEM Insufficient kernel memory was available + * + * @see smbc_rmdir()s + * + * @todo Are errno values complete and correct? + */ +int smbc_unlink(const char *furl); + + +/**@ingroup directory + * Rename or move a file or directory. + * + * @param ourl The original smb url (source url) of file or + * directory to be moved + * + * @param nurl The new smb url (destination url) of the file + * or directory after the move. Currently nurl must + * be on the same share as ourl. + * + * @return 0 on success, < 0 on error with errno set: + * - EISDIR nurl is an existing directory, but ourl is + * not a directory. + * - EEXIST nurl is a non-empty directory, + * i.e., contains entries other than "." and ".." + * - EINVAL The new url contained a path prefix + * of the old, or, more generally, an attempt was + * made to make a directory a subdirectory of itself + * or smbc_init not called. + * - ENOTDIR A component used as a directory in ourl + * or nurl path is not, in fact, a directory. Or, + * ourl is a directory, and newpath exists but is not + * a directory. + * - EACCES or EPERM Write access to the directory + * containing ourl or nurl is not allowed for the + * process's effective uid, or one of the + * directories in ourl or nurl did not allow search + * (execute) permission, or ourl was a directory + * and did not allow write permission. + * - ENOENT A directory component in ourl or nurl + * does not exist. + * - EXDEV Rename across shares not supported. + * - ENOMEM Insufficient kernel memory was available. + * - EEXIST The target file, nurl, already exists. + * + * + * @todo Are we going to support copying when urls are not on the same + * share? I say no... NOTE. I agree for the moment. + * + */ +int smbc_rename(const char *ourl, const char *nurl); + + +/**@ingroup directory + * Open a directory used to obtain directory entries. + * + * @param durl The smb url of the directory to open + * + * @return Valid directory handle. < 0 on error with errno set: + * - EACCES Permission denied. + * - EINVAL A NULL file/URL was passed, or the URL would + * not parse, or was of incorrect form or smbc_init not + * called. + * - ENOENT durl does not exist, or name is an + * - ENOMEM Insufficient memory to complete the + * operation. + * - ENOTDIR name is not a directory. + * - EPERM the workgroup could not be found. + * - ENODEV the workgroup or server could not be found. + * + * @see smbc_getdents(), smbc_readdir(), smbc_closedir() + * + */ +int smbc_opendir(const char *durl); + + +/**@ingroup directory + * Close a directory handle opened by smbc_opendir(). + * + * @param dh Directory handle to close + * + * @return 0 on success, < 0 on error with errno set: + * - EBADF dh is an invalid directory handle + * + * @see smbc_opendir() + */ +int smbc_closedir(int dh); + + +/**@ingroup directory + * Get multiple directory entries. + * + * smbc_getdents() reads as many dirent structures from the an open + * directory handle into a specified memory area as will fit. + * + * @param dh Valid directory as returned by smbc_opendir() + * + * @param dirp pointer to buffer that will receive the directory + * entries. + * + * @param count The size of the dirp buffer in bytes + * + * @returns If any dirents returned, return will indicate the + * total size. If there were no more dirents available, + * 0 is returned. < 0 indicates an error. + * - EBADF Invalid directory handle + * - EINVAL Result buffer is too small or smbc_init + * not called. + * - ENOENT No such directory. + * @see , smbc_dirent, smbc_readdir(), smbc_open() + * + * @todo Are errno values complete and correct? + * + * @todo Add example code so people know how to parse buffers. + */ +int smbc_getdents(unsigned int dh, struct smbc_dirent *dirp, int count); + + +/**@ingroup directory + * Get a single directory entry. + * + * @param dh Valid directory as returned by smbc_opendir() + * + * @return A pointer to a smbc_dirent structure, or NULL if an + * error occurs or end-of-directory is reached: + * - EBADF Invalid directory handle + * - EINVAL smbc_init() failed or has not been called + * + * @see smbc_dirent, smbc_getdents(), smbc_open() + */ +struct smbc_dirent* smbc_readdir(unsigned int dh); + + +/**@ingroup directory + * Get the current directory offset. + * + * smbc_telldir() may be used in conjunction with smbc_readdir() and + * smbc_lseekdir(). + * + * @param dh Valid directory as returned by smbc_opendir() + * + * @return The current location in the directory stream or -1 + * if an error occur. The current location is not + * an offset. Becuase of the implementation, it is a + * handle that allows the library to find the entry + * later. + * - EBADF dh is not a valid directory handle + * - EINVAL smbc_init() failed or has not been called + * - ENOTDIR if dh is not a directory + * + * @see smbc_readdir() + * + */ +off_t smbc_telldir(int dh); + + +/**@ingroup directory + * lseek on directories. + * + * smbc_lseekdir() may be used in conjunction with smbc_readdir() and + * smbc_telldir(). (rewind by smbc_lseekdir(fd, NULL)) + * + * @param fd Valid directory as returned by smbc_opendir() + * + * @param offset The offset (as returned by smbc_telldir). Can be + * NULL, in which case we will rewind + * + * @return 0 on success, -1 on failure + * - EBADF dh is not a valid directory handle + * - ENOTDIR if dh is not a directory + * - EINVAL offset did not refer to a valid dirent or + * smbc_init not called. + * + * @see smbc_telldir() + * + * + * @todo In what does the reture and errno values mean? + */ +int smbc_lseekdir(int fd, off_t offset); + +/**@ingroup directory + * Create a directory. + * + * @param durl The url of the directory to create + * + * @param mode Specifies the permissions to use. It is modified + * by the process's umask in the usual way: the + * permissions of the created file are (mode & ~umask). + * + * @return 0 on success, < 0 on error with errno set: + * - EEXIST directory url already exists + * - EACCES The parent directory does not allow write + * permission to the process, or one of the directories + * - ENOENT A directory component in pathname does not + * exist. + * - EINVAL NULL durl passed or smbc_init not called. + * - ENOMEM Insufficient memory was available. + * + * @see smbc_rmdir() + * + */ +int smbc_mkdir(const char *durl, mode_t mode); + + +/**@ingroup directory + * Remove a directory. + * + * @param durl The smb url of the directory to remove + * + * @return 0 on success, < 0 on error with errno set: + * - EACCES or EPERM Write access to the directory + * containing pathname was not allowed. + * - EINVAL durl is NULL or smbc_init not called. + * - ENOENT A directory component in pathname does not + * exist. + * - ENOTEMPTY directory contains entries. + * - ENOMEM Insufficient kernel memory was available. + * + * @see smbc_mkdir(), smbc_unlink() + * + * @todo Are errno values complete and correct? + */ +int smbc_rmdir(const char *durl); + + +/**@ingroup attribute + * Get information about a file or directory. + * + * @param url The smb url to get information for + * + * @param st pointer to a buffer that will be filled with + * standard Unix struct stat information. + * + * @return 0 on success, < 0 on error with errno set: + * - ENOENT A component of the path file_name does not + * exist. + * - EINVAL a NULL url was passed or smbc_init not called. + * - EACCES Permission denied. + * - ENOMEM Out of memory + * - ENOTDIR The target dir, url, is not a directory. + * + * @see Unix stat() + * + */ +int smbc_stat(const char *url, struct stat *st); + + +/**@ingroup attribute + * Get file information via an file descriptor. + * + * @param fd Open file handle from smbc_open() or smbc_creat() + * + * @param st pointer to a buffer that will be filled with + * standard Unix struct stat information. + * + * @return EBADF filedes is bad. + * - EACCES Permission denied. + * - EBADF fd is not a valid file descriptor + * - EINVAL Problems occurred in the underlying routines + * or smbc_init not called. + * - ENOMEM Out of memory + * + * @see smbc_stat(), Unix stat() + * + */ +int smbc_fstat(int fd, struct stat *st); + + +/**@ingroup attribue + * Change the ownership of a file or directory. + * + * @param url The smb url of the file or directory to change + * ownership of. + * + * @param owner I have no idea? + * + * @param group I have not idea? + * + * @return 0 on success, < 0 on error with errno set: + * - EPERM The effective UID does not match the owner + * of the file, and is not zero; or the owner or group + * were specified incorrectly. + * - ENOENT The file does not exist. + * - ENOMEM Insufficient was available. + * - ENOENT file or directory does not exist + * + * @todo Are we actually going to be able to implement this function + * + * @todo How do we abstract owner and group uid and gid? + * + */ +int smbc_chown(const char *url, uid_t owner, gid_t group); + + +/**@ingroup attribute + * Change the permissions of a file. + * + * @param url The smb url of the file or directory to change + * permissions of + * + * @param mode The permissions to set: + * - Put good explaination of permissions here! + * + * @return 0 on success, < 0 on error with errno set: + * - EPERM The effective UID does not match the owner + * of the file, and is not zero + * - ENOENT The file does not exist. + * - ENOMEM Insufficient was available. + * - ENOENT file or directory does not exist + * + * @todo Actually implement this fuction? + * + * @todo Are errno values complete and correct? + */ +int smbc_chmod(const char *url, mode_t mode); + +/**@ingroup attribute + * Change the last modification time on a file + * + * @param url The smb url of the file or directory to change + * the modification time of + * + * @param tbuf A timeval structure which contains the desired + * modification time. NOTE: Only the tv_sec field is + * used. The tv_usec (microseconds) portion is ignored. + * + * @return 0 on success, < 0 on error with errno set: + * - EINVAL The client library is not properly initialized + * - EPERM Permission was denied. + * + */ +int smbc_utimes(const char *url, struct timeval *tbuf); + +#ifdef HAVE_UTIME_H +/**@ingroup attribute + * Change the last modification time on a file + * + * @param url The smb url of the file or directory to change + * the modification time of + * + * @param utbuf A utimebuf structure which contains the desired + * modification time. NOTE: Although the structure contains + * an access time as well, the access time value is ignored. + * + * @return 0 on success, < 0 on error with errno set: + * - EINVAL The client library is not properly initialized + * - ENOMEM No memory was available for internal needs + * - EPERM Permission was denied. + * + */ +int smbc_utime(const char *fname, struct utimbuf *utbuf); +#endif + +/**@ingroup attribute + * Set extended attributes for a file. This is used for modifying a file's + * security descriptor (i.e. owner, group, and access control list) + * + * @param url The smb url of the file or directory to set extended + * attributes for. + * + * @param name The name of an attribute to be changed. Names are of + * one of the following forms: + * + * system.nt_sec_desc. + * system.nt_sec_desc.* + * system.nt_sec_desc.*+ + * + * where is one of: + * + * revision + * owner + * owner+ + * group + * group+ + * acl: + * acl+: + * + * In the forms "system.nt_sec_desc.*" and + * "system.nt_sec_desc.*+", the asterisk and plus signs are + * literal, i.e. the string is provided exactly as shown, and + * the value parameter should contain a complete security + * descriptor with name:value pairs separated by tabs, + * commas, or newlines (not spaces!). + * + * The plus sign ('+') indicates that SIDs should be mapped + * to names. Without the plus sign, SIDs are not mapped; + * rather they are simply converted to a string format. + * + * @param value The value to be assigned to the specified attribute name. + * This buffer should contain only the attribute value if the + * name was of the "system.nt_sec_desc." + * form. If the name was of the "system.nt_sec_desc.*" form + * then a complete security descriptor, with name:value pairs + * separated by tabs, commas, or newlines (not spaces!), + * should be provided in this value buffer. A complete + * security descriptor will contain one or more entries + * selected from the following: + * + * REVISION: + * OWNER: + * GROUP: + * ACL::// + * + * The revision of the ACL specifies the internal Windows NT + * ACL revision for the security descriptor. If not specified + * it defaults to 1. Using values other than 1 may cause + * strange behaviour. + * + * The owner and group specify the owner and group sids for + * the object. If the attribute name (either '*+' with a + * complete security descriptor, or individual 'owner+' or + * 'group+' attribute names) ended with a plus sign, the + * specified name is resolved to a SID value, using the + * server on which the file or directory resides. Otherwise, + * the value should be provided in SID-printable format as + * S-1-x-y-z, and is used directly. The + * associated with the ACL: attribute should be provided + * similarly. + * + * @param size The number of the bytes of data in the value buffer + * + * @param flags A bit-wise OR of zero or more of the following: + * SMBC_XATTR_FLAG_CREATE - + * fail if the named attribute already exists + * SMBC_XATTR_FLAG_REPLACE - + * fail if the attribute does not already exist + * + * If neither flag is specified, the specified attributes + * will be added or replace existing attributes of the same + * name, as necessary. + * + * @return 0 on success, < 0 on error with errno set: + * - EINVAL The client library is not properly initialized + * or one of the parameters is not of a correct + * form + * - ENOMEM No memory was available for internal needs + * - EEXIST If the attribute already exists and the flag + * SMBC_XATTR_FLAG_CREAT was specified + * - ENOATTR If the attribute does not exist and the flag + * SMBC_XATTR_FLAG_REPLACE was specified + * - EPERM Permission was denied. + * - ENOTSUP The referenced file system does not support + * extended attributes + * + * @note Attribute names are compared in a case-insensitive + * fashion. All of the following are equivalent, although + * the all-lower-case name is the preferred format: + * system.nt_sec_desc.owner + * SYSTEM.NT_SEC_DESC.OWNER + * sYsTeM.nt_sEc_desc.owNER + * + */ +int smbc_setxattr(const char *url, + const char *name, + const void *value, + size_t size, + int flags); + + +/**@ingroup attribute + * Set extended attributes for a file. This is used for modifying a file's + * security descriptor (i.e. owner, group, and access control list). The + * POSIX function which this maps to would act on a symbolic link rather than + * acting on what the symbolic link points to, but with no symbolic links in + * SMB file systems, this function is functionally identical to + * smbc_setxattr(). + * + * @param url The smb url of the file or directory to set extended + * attributes for. + * + * @param name The name of an attribute to be changed. Names are of + * one of the following forms: + * + * system.nt_sec_desc. + * system.nt_sec_desc.* + * system.nt_sec_desc.*+ + * + * where is one of: + * + * revision + * owner + * owner+ + * group + * group+ + * acl: + * acl+: + * + * In the forms "system.nt_sec_desc.*" and + * "system.nt_sec_desc.*+", the asterisk and plus signs are + * literal, i.e. the string is provided exactly as shown, and + * the value parameter should contain a complete security + * descriptor with name:value pairs separated by tabs, + * commas, or newlines (not spaces!). + * + * The plus sign ('+') indicates that SIDs should be mapped + * to names. Without the plus sign, SIDs are not mapped; + * rather they are simply converted to a string format. + * + * @param value The value to be assigned to the specified attribute name. + * This buffer should contain only the attribute value if the + * name was of the "system.nt_sec_desc." + * form. If the name was of the "system.nt_sec_desc.*" form + * then a complete security descriptor, with name:value pairs + * separated by tabs, commas, or newlines (not spaces!), + * should be provided in this value buffer. A complete + * security descriptor will contain one or more entries + * selected from the following: + * + * REVISION: + * OWNER: + * GROUP: + * ACL::// + * + * The revision of the ACL specifies the internal Windows NT + * ACL revision for the security descriptor. If not specified + * it defaults to 1. Using values other than 1 may cause + * strange behaviour. + * + * The owner and group specify the owner and group sids for + * the object. If the attribute name (either '*+' with a + * complete security descriptor, or individual 'owner+' or + * 'group+' attribute names) ended with a plus sign, the + * specified name is resolved to a SID value, using the + * server on which the file or directory resides. Otherwise, + * the value should be provided in SID-printable format as + * S-1-x-y-z, and is used directly. The + * associated with the ACL: attribute should be provided + * similarly. + * + * @param size The number of the bytes of data in the value buffer + * + * @param flags A bit-wise OR of zero or more of the following: + * SMBC_XATTR_FLAG_CREATE - + * fail if the named attribute already exists + * SMBC_XATTR_FLAG_REPLACE - + * fail if the attribute does not already exist + * + * If neither flag is specified, the specified attributes + * will be added or replace existing attributes of the same + * name, as necessary. + * + * @return 0 on success, < 0 on error with errno set: + * - EINVAL The client library is not properly initialized + * or one of the parameters is not of a correct + * form + * - ENOMEM No memory was available for internal needs + * - EEXIST If the attribute already exists and the flag + * SMBC_XATTR_FLAG_CREAT was specified + * - ENOATTR If the attribute does not exist and the flag + * SMBC_XATTR_FLAG_REPLACE was specified + * - EPERM Permission was denied. + * - ENOTSUP The referenced file system does not support + * extended attributes + * + * @note Attribute names are compared in a case-insensitive + * fashion. All of the following are equivalent, although + * the all-lower-case name is the preferred format: + * system.nt_sec_desc.owner + * SYSTEM.NT_SEC_DESC.OWNER + * sYsTeM.nt_sEc_desc.owNER + * + */ +int smbc_lsetxattr(const char *url, + const char *name, + const void *value, + size_t size, + int flags); + + +/**@ingroup attribute + * Set extended attributes for a file. This is used for modifying a file's + * security descriptor (i.e. owner, group, and access control list) + * + * @param fd A file descriptor associated with an open file (as + * previously returned by smbc_open(), to get extended + * attributes for. + * + * @param name The name of an attribute to be changed. Names are of + * one of the following forms: + * + * system.nt_sec_desc. + * system.nt_sec_desc.* + * system.nt_sec_desc.*+ + * + * where is one of: + * + * revision + * owner + * owner+ + * group + * group+ + * acl: + * acl+: + * + * In the forms "system.nt_sec_desc.*" and + * "system.nt_sec_desc.*+", the asterisk and plus signs are + * literal, i.e. the string is provided exactly as shown, and + * the value parameter should contain a complete security + * descriptor with name:value pairs separated by tabs, + * commas, or newlines (not spaces!). + * + * The plus sign ('+') indicates that SIDs should be mapped + * to names. Without the plus sign, SIDs are not mapped; + * rather they are simply converted to a string format. + * + * @param value The value to be assigned to the specified attribute name. + * This buffer should contain only the attribute value if the + * name was of the "system.nt_sec_desc." + * form. If the name was of the "system.nt_sec_desc.*" form + * then a complete security descriptor, with name:value pairs + * separated by tabs, commas, or newlines (not spaces!), + * should be provided in this value buffer. A complete + * security descriptor will contain one or more entries + * selected from the following: + * + * REVISION: + * OWNER: + * GROUP: + * ACL::// + * + * The revision of the ACL specifies the internal Windows NT + * ACL revision for the security descriptor. If not specified + * it defaults to 1. Using values other than 1 may cause + * strange behaviour. + * + * The owner and group specify the owner and group sids for + * the object. If the attribute name (either '*+' with a + * complete security descriptor, or individual 'owner+' or + * 'group+' attribute names) ended with a plus sign, the + * specified name is resolved to a SID value, using the + * server on which the file or directory resides. Otherwise, + * the value should be provided in SID-printable format as + * S-1-x-y-z, and is used directly. The + * associated with the ACL: attribute should be provided + * similarly. + * + * @param size The number of the bytes of data in the value buffer + * + * @param flags A bit-wise OR of zero or more of the following: + * SMBC_XATTR_FLAG_CREATE - + * fail if the named attribute already exists + * SMBC_XATTR_FLAG_REPLACE - + * fail if the attribute does not already exist + * + * If neither flag is specified, the specified attributes + * will be added or replace existing attributes of the same + * name, as necessary. + * + * @return 0 on success, < 0 on error with errno set: + * - EINVAL The client library is not properly initialized + * or one of the parameters is not of a correct + * form + * - ENOMEM No memory was available for internal needs + * - EEXIST If the attribute already exists and the flag + * SMBC_XATTR_FLAG_CREAT was specified + * - ENOATTR If the attribute does not exist and the flag + * SMBC_XATTR_FLAG_REPLACE was specified + * - EPERM Permission was denied. + * - ENOTSUP The referenced file system does not support + * extended attributes + * + * @note Attribute names are compared in a case-insensitive + * fashion. All of the following are equivalent, although + * the all-lower-case name is the preferred format: + * system.nt_sec_desc.owner + * SYSTEM.NT_SEC_DESC.OWNER + * sYsTeM.nt_sEc_desc.owNER + * + */ +int smbc_fsetxattr(int fd, + const char *name, + const void *value, + size_t size, + int flags); + + +/**@ingroup attribute + * Get extended attributes for a file. + * + * @param url The smb url of the file or directory to get extended + * attributes for. + * + * @param name The name of an attribute to be retrieved. Names are of + * one of the following forms: + * + * system.nt_sec_desc. + * system.nt_sec_desc.* + * system.nt_sec_desc.*+ + * + * where is one of: + * + * revision + * owner + * owner+ + * group + * group+ + * acl: + * acl+: + * + * In the forms "system.nt_sec_desc.*" and + * "system.nt_sec_desc.*+", the asterisk and plus signs are + * literal, i.e. the string is provided exactly as shown, and + * the value parameter will return a complete security + * descriptor with name:value pairs separated by tabs, + * commas, or newlines (not spaces!). + * + * The plus sign ('+') indicates that SIDs should be mapped + * to names. Without the plus sign, SIDs are not mapped; + * rather they are simply converted to a string format. + * + * @param value A pointer to a buffer in which the value of the specified + * attribute will be placed (unless size is zero). + * + * @param size The size of the buffer pointed to by value. This parameter + * may also be zero, in which case the size of the buffer + * required to hold the attribute value will be returned, + * but nothing will be placed into the value buffer. + * + * @return 0 on success, < 0 on error with errno set: + * - EINVAL The client library is not properly initialized + * or one of the parameters is not of a correct + * form + * - ENOMEM No memory was available for internal needs + * - EEXIST If the attribute already exists and the flag + * SMBC_XATTR_FLAG_CREAT was specified + * - ENOATTR If the attribute does not exist and the flag + * SMBC_XATTR_FLAG_REPLACE was specified + * - EPERM Permission was denied. + * - ENOTSUP The referenced file system does not support + * extended attributes + * + */ +int smbc_getxattr(const char *url, + const char *name, + const void *value, + size_t size); + + +/**@ingroup attribute + * Get extended attributes for a file. The POSIX function which this maps to + * would act on a symbolic link rather than acting on what the symbolic link + * points to, but with no symbolic links in SMB file systems, this function + * is functionally identical to smbc_getxattr(). + * + * @param url The smb url of the file or directory to get extended + * attributes for. + * + * @param name The name of an attribute to be retrieved. Names are of + * one of the following forms: + * + * system.nt_sec_desc. + * system.nt_sec_desc.* + * system.nt_sec_desc.*+ + * + * where is one of: + * + * revision + * owner + * owner+ + * group + * group+ + * acl: + * acl+: + * + * In the forms "system.nt_sec_desc.*" and + * "system.nt_sec_desc.*+", the asterisk and plus signs are + * literal, i.e. the string is provided exactly as shown, and + * the value parameter will return a complete security + * descriptor with name:value pairs separated by tabs, + * commas, or newlines (not spaces!). + * + * The plus sign ('+') indicates that SIDs should be mapped + * to names. Without the plus sign, SIDs are not mapped; + * rather they are simply converted to a string format. + * + * @param value A pointer to a buffer in which the value of the specified + * attribute will be placed (unless size is zero). + * + * @param size The size of the buffer pointed to by value. This parameter + * may also be zero, in which case the size of the buffer + * required to hold the attribute value will be returned, + * but nothing will be placed into the value buffer. + * + * @return 0 on success, < 0 on error with errno set: + * - EINVAL The client library is not properly initialized + * or one of the parameters is not of a correct + * form + * - ENOMEM No memory was available for internal needs + * - EEXIST If the attribute already exists and the flag + * SMBC_XATTR_FLAG_CREAT was specified + * - ENOATTR If the attribute does not exist and the flag + * SMBC_XATTR_FLAG_REPLACE was specified + * - EPERM Permission was denied. + * - ENOTSUP The referenced file system does not support + * extended attributes + * + */ +int smbc_lgetxattr(const char *url, + const char *name, + const void *value, + size_t size); + + +/**@ingroup attribute + * Get extended attributes for a file. + * + * @param fd A file descriptor associated with an open file (as + * previously returned by smbc_open(), to get extended + * attributes for. + * + * @param name The name of an attribute to be retrieved. Names are of + * one of the following forms: + * + * system.nt_sec_desc. + * system.nt_sec_desc.* + * system.nt_sec_desc.*+ + * + * where is one of: + * + * revision + * owner + * owner+ + * group + * group+ + * acl: + * acl+: + * + * In the forms "system.nt_sec_desc.*" and + * "system.nt_sec_desc.*+", the asterisk and plus signs are + * literal, i.e. the string is provided exactly as shown, and + * the value parameter will return a complete security + * descriptor with name:value pairs separated by tabs, + * commas, or newlines (not spaces!). + * + * The plus sign ('+') indicates that SIDs should be mapped + * to names. Without the plus sign, SIDs are not mapped; + * rather they are simply converted to a string format. + * + * @param value A pointer to a buffer in which the value of the specified + * attribute will be placed (unless size is zero). + * + * @param size The size of the buffer pointed to by value. This parameter + * may also be zero, in which case the size of the buffer + * required to hold the attribute value will be returned, + * but nothing will be placed into the value buffer. + * + * @return 0 on success, < 0 on error with errno set: + * - EINVAL The client library is not properly initialized + * or one of the parameters is not of a correct + * form + * - ENOMEM No memory was available for internal needs + * - EEXIST If the attribute already exists and the flag + * SMBC_XATTR_FLAG_CREAT was specified + * - ENOATTR If the attribute does not exist and the flag + * SMBC_XATTR_FLAG_REPLACE was specified + * - EPERM Permission was denied. + * - ENOTSUP The referenced file system does not support + * extended attributes + * + */ +int smbc_fgetxattr(int fd, + const char *name, + const void *value, + size_t size); + + +/**@ingroup attribute + * Remove extended attributes for a file. This is used for modifying a file's + * security descriptor (i.e. owner, group, and access control list) + * + * @param url The smb url of the file or directory to remove the extended + * attributes for. + * + * @param name The name of an attribute to be removed. Names are of + * one of the following forms: + * + * system.nt_sec_desc. + * system.nt_sec_desc.* + * system.nt_sec_desc.*+ + * + * where is one of: + * + * revision + * owner + * owner+ + * group + * group+ + * acl: + * acl+: + * + * In the forms "system.nt_sec_desc.*" and + * "system.nt_sec_desc.*+", the asterisk and plus signs are + * literal, i.e. the string is provided exactly as shown, and + * the value parameter will return a complete security + * descriptor with name:value pairs separated by tabs, + * commas, or newlines (not spaces!). + * + * The plus sign ('+') indicates that SIDs should be mapped + * to names. Without the plus sign, SIDs are not mapped; + * rather they are simply converted to a string format. + * + * @return 0 on success, < 0 on error with errno set: + * - EINVAL The client library is not properly initialized + * - ENOMEM No memory was available for internal needs + * - EPERM Permission was denied. + * - ENOTSUP The referenced file system does not support + * extended attributes + * + */ +int smbc_removexattr(const char *url, + const char *name); + + +/**@ingroup attribute + * Remove extended attributes for a file. This is used for modifying a file's + * security descriptor (i.e. owner, group, and access control list) The POSIX + * function which this maps to would act on a symbolic link rather than acting + * on what the symbolic link points to, but with no symbolic links in SMB file + * systems, this function is functionally identical to smbc_removexattr(). + * + * @param url The smb url of the file or directory to remove the extended + * attributes for. + * + * @param name The name of an attribute to be removed. Names are of + * one of the following forms: + * + * system.nt_sec_desc. + * system.nt_sec_desc.* + * system.nt_sec_desc.*+ + * + * where is one of: + * + * revision + * owner + * owner+ + * group + * group+ + * acl: + * acl+: + * + * In the forms "system.nt_sec_desc.*" and + * "system.nt_sec_desc.*+", the asterisk and plus signs are + * literal, i.e. the string is provided exactly as shown, and + * the value parameter will return a complete security + * descriptor with name:value pairs separated by tabs, + * commas, or newlines (not spaces!). + * + * The plus sign ('+') indicates that SIDs should be mapped + * to names. Without the plus sign, SIDs are not mapped; + * rather they are simply converted to a string format. + * + * @return 0 on success, < 0 on error with errno set: + * - EINVAL The client library is not properly initialized + * - ENOMEM No memory was available for internal needs + * - EPERM Permission was denied. + * - ENOTSUP The referenced file system does not support + * extended attributes + * + */ +int smbc_lremovexattr(const char *url, + const char *name); + + +/**@ingroup attribute + * Remove extended attributes for a file. This is used for modifying a file's + * security descriptor (i.e. owner, group, and access control list) + * + * @param fd A file descriptor associated with an open file (as + * previously returned by smbc_open(), to get extended + * attributes for. + * + * @param name The name of an attribute to be removed. Names are of + * one of the following forms: + * + * system.nt_sec_desc. + * system.nt_sec_desc.* + * system.nt_sec_desc.*+ + * + * where is one of: + * + * revision + * owner + * owner+ + * group + * group+ + * acl: + * acl+: + * + * In the forms "system.nt_sec_desc.*" and + * "system.nt_sec_desc.*+", the asterisk and plus signs are + * literal, i.e. the string is provided exactly as shown, and + * the value parameter will return a complete security + * descriptor with name:value pairs separated by tabs, + * commas, or newlines (not spaces!). + * + * The plus sign ('+') indicates that SIDs should be mapped + * to names. Without the plus sign, SIDs are not mapped; + * rather they are simply converted to a string format. + * + * @return 0 on success, < 0 on error with errno set: + * - EINVAL The client library is not properly initialized + * - ENOMEM No memory was available for internal needs + * - EPERM Permission was denied. + * - ENOTSUP The referenced file system does not support + * extended attributes + * + */ +int smbc_fremovexattr(int fd, + const char *name); + + +/**@ingroup attribute + * List the supported extended attribute names associated with a file + * + * @param url The smb url of the file or directory to list the extended + * attributes for. + * + * @param list A pointer to a buffer in which the list of attributes for + * the specified file or directory will be placed (unless + * size is zero). + * + * @param size The size of the buffer pointed to by list. This parameter + * may also be zero, in which case the size of the buffer + * required to hold all of the attribute names will be + * returned, but nothing will be placed into the list buffer. + * + * @return 0 on success, < 0 on error with errno set: + * - EINVAL The client library is not properly initialized + * - ENOMEM No memory was available for internal needs + * - EPERM Permission was denied. + * - ENOTSUP The referenced file system does not support + * extended attributes + * + * @note This function always returns all attribute names supported + * by NT file systems, regardless of wether the referenced + * file system supports extended attributes (e.g. a Windows + * 2000 machine supports extended attributes if NTFS is used, + * but not if FAT is used, and Windows 98 doesn't support + * extended attributes at all. Whether this is a feature or + * a bug is yet to be decided. + */ +int smbc_listxattr(const char *url, + char *list, + size_t size); + +/**@ingroup attribute + * List the supported extended attribute names associated with a file The + * POSIX function which this maps to would act on a symbolic link rather than + * acting on what the symbolic link points to, but with no symbolic links in + * SMB file systems, this function is functionally identical to + * smbc_listxattr(). + * + * @param url The smb url of the file or directory to list the extended + * attributes for. + * + * @param list A pointer to a buffer in which the list of attributes for + * the specified file or directory will be placed (unless + * size is zero). + * + * @param size The size of the buffer pointed to by list. This parameter + * may also be zero, in which case the size of the buffer + * required to hold all of the attribute names will be + * returned, but nothing will be placed into the list buffer. + * + * @return 0 on success, < 0 on error with errno set: + * - EINVAL The client library is not properly initialized + * - ENOMEM No memory was available for internal needs + * - EPERM Permission was denied. + * - ENOTSUP The referenced file system does not support + * extended attributes + * + * @note This function always returns all attribute names supported + * by NT file systems, regardless of wether the referenced + * file system supports extended attributes (e.g. a Windows + * 2000 machine supports extended attributes if NTFS is used, + * but not if FAT is used, and Windows 98 doesn't support + * extended attributes at all. Whether this is a feature or + * a bug is yet to be decided. + */ +int smbc_llistxattr(const char *url, + char *list, + size_t size); + +/**@ingroup attribute + * List the supported extended attribute names associated with a file + * + * @param fd A file descriptor associated with an open file (as + * previously returned by smbc_open(), to get extended + * attributes for. + * + * @param list A pointer to a buffer in which the list of attributes for + * the specified file or directory will be placed (unless + * size is zero). + * + * @param size The size of the buffer pointed to by list. This parameter + * may also be zero, in which case the size of the buffer + * required to hold all of the attribute names will be + * returned, but nothing will be placed into the list buffer. + * + * @return 0 on success, < 0 on error with errno set: + * - EINVAL The client library is not properly initialized + * - ENOMEM No memory was available for internal needs + * - EPERM Permission was denied. + * - ENOTSUP The referenced file system does not support + * extended attributes + * + * @note This function always returns all attribute names supported + * by NT file systems, regardless of wether the referenced + * file system supports extended attributes (e.g. a Windows + * 2000 machine supports extended attributes if NTFS is used, + * but not if FAT is used, and Windows 98 doesn't support + * extended attributes at all. Whether this is a feature or + * a bug is yet to be decided. + */ +int smbc_flistxattr(int fd, + char *list, + size_t size); + +/**@ingroup print + * Print a file given the name in fname. It would be a URL ... + * + * @param fname The URL of a file on a remote SMB server that the + * caller wants printed + * + * @param printq The URL of the print share to print the file to. + * + * @return 0 on success, < 0 on error with errno set: + * + * - EINVAL fname or printq was NULL or smbc_init not + * not called. + * and errors returned by smbc_open + * + */ +int smbc_print_file(const char *fname, const char *printq); + +/**@ingroup print + * Open a print file that can be written to by other calls. This simply + * does an smbc_open call after checking if there is a file name on the + * URI. If not, a temporary name is added ... + * + * @param fname The URL of the print share to print to? + * + * @returns A file handle for the print file if successful. + * Returns -1 if an error ocurred and errno has the values + * - EINVAL fname was NULL or smbc_init not called. + * - all errors returned by smbc_open + * + */ +int smbc_open_print_job(const char *fname); + +/**@ingroup print + * List the print jobs on a print share, for the moment, pass a callback + * + * @param purl The url of the print share to list the jobs of + * + * @param fn Callback function the receives printjob info + * + * @return 0 on success, < 0 on error with errno set: + * - EINVAL fname was NULL or smbc_init not called + * - EACCES ??? + */ +int smbc_list_print_jobs(const char *purl, smbc_list_print_job_fn fn); + +/**@ingroup print + * Delete a print job + * + * @param purl Url of the print share + * + * @param id The id of the job to delete + * + * @return 0 on success, < 0 on error with errno set: + * - EINVAL fname was NULL or smbc_init not called + * + * @todo what errno values are possible here? + */ +int smbc_unlink_print_job(const char *purl, int id); + +/**@ingroup callback + * Remove a server from the cached server list it's unused. + * + * @param context pointer to smb context + * + * @param srv pointer to server to remove + * + * @return On success, 0 is returned. 1 is returned if the server could not + * be removed. Also useable outside libsmbclient. + */ +int smbc_remove_unused_server(SMBCCTX * context, SMBCSRV * srv); + +#ifdef __cplusplus +} +#endif + +/**@ingroup directory + * Convert strings of %xx to their single character equivalent. + * + * @param dest A pointer to a buffer in which the resulting decoded + * string should be placed. This may be a pointer to the + * same buffer as src_segment. + * + * @param src A pointer to the buffer containing the URL to be decoded. + * Any %xx sequences herein are converted to their single + * character equivalent. Each 'x' must be a valid hexadecimal + * digit, or that % sequence is left undecoded. + * + * @param max_dest_len + * The size of the buffer pointed to by dest_segment. + * + * @return The number of % sequences which could not be converted + * due to lack of two following hexadecimal digits. + */ +#ifdef __cplusplus +extern "C" { +#endif +int +smbc_urldecode(char *dest, char * src, size_t max_dest_len); +#ifdef __cplusplus +} +#endif + + +/* + * Convert any characters not specifically allowed in a URL into their %xx + * equivalent. + * + * @param dest A pointer to a buffer in which the resulting encoded + * string should be placed. Unlike smbc_urldecode(), this + * must be a buffer unique from src. + * + * @param src A pointer to the buffer containing the string to be encoded. + * Any character not specifically allowed in a URL is converted + * into its hexadecimal value and encoded as %xx. + * + * @param max_dest_len + * The size of the buffer pointed to by dest_segment. + * + * @returns The remaining buffer length. + */ +#ifdef __cplusplus +extern "C" { +#endif +int +smbc_urlencode(char * dest, char * src, int max_dest_len); +#ifdef __cplusplus +} +#endif + + +/**@ingroup directory + * Return the version of the linked Samba code, and thus the version of the + * libsmbclient code. + * + * @return The version string. + */ +#ifdef __cplusplus +extern "C" { +#endif +const char * +smbc_version(void); +#ifdef __cplusplus +} +#endif + + +#endif /* SMBCLIENT_H_INCLUDED */