/*- * Copyright (c) 2008-2011 Juan Romero Pardines. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *- */ #ifndef _XBPS_API_H_ #define _XBPS_API_H_ #include #include #include #include #include #ifdef __cplusplus # define __BEGIN_DECLS extern "C" { # define __END_DECLS } #else # define __BEGIN_DECLS # define __END_DECLS #endif /** * @file include/xbps_api.h * @brief XBPS Library API header * * This header documents the full API for the XBPS Library. */ /** * @def XBPS_PKGINDEX_VERSION * Current version for the repository package index format. */ #define XBPS_PKGINDEX_VERSION "1.2" /** * @def XBPS_RELVER * Current library release date. */ #define XBPS_RELVER "API: 20110622 INDEX: " XBPS_PKGINDEX_VERSION /** * @def XBPS_META_PATH * Default root PATH to store metadata info. */ #define XBPS_META_PATH "/var/db/xbps" /** * @def XBPS_CACHE_PATH * Default cache PATH to store downloaded binpkgs. */ #define XBPS_CACHE_PATH "/var/cache/xbps" /** * @def XBPS_REGPKGDB * Filename for the global package register database. */ #define XBPS_REGPKGDB "regpkgdb.plist" /** * @def XBPS_PKGPROPS * Filename for package metadata property list. */ #define XBPS_PKGPROPS "props.plist" /** * @def XBPS_PKGFILES * Filename for package metadata files property list. */ #define XBPS_PKGFILES "files.plist" /** * @def XBPS_PKGINDEX * Filename for the repository package index property list. */ #define XBPS_PKGINDEX "pkg-index.plist" /** * @def XBPS_CONF_PATH * Default configuration PATH to find XBPS_CONF_PLIST. */ #ifndef XBPS_CONF_PATH #define XBPS_CONF_PATH "/etc" #endif /** * @def XBPS_CONF_PLIST * Filename for the XBPS plist configuration file. */ #define XBPS_CONF_PLIST "xbps-conf.plist" /** * @def XBPS_FLAG_VERBOSE * Verbose flag used in xbps_unpack_binary_pkg() (for now). * Must be set through the xbps_init::flags member. */ #define XBPS_FLAG_VERBOSE 0x00000001 /** * @def XBPS_FLAG_FORCE * Force flag used in xbps_configure_pkg() (for now). * Must be set through the xbps_init::flags member. */ #define XBPS_FLAG_FORCE 0x00000002 __BEGIN_DECLS void xbps_printf(const char *, ...); void xbps_dbg_printf(const char *, ...); void xbps_dbg_printf_append(const char *, ...); void xbps_error_printf(const char *, ...); void xbps_warn_printf(const char *, ...); /** @addtogroup initend */ /*@{*/ /** * @struct xbps_handle xbps_api.h "xbps_api.h" * @brief Generic XBPS structure handler for initialization. * * This structure sets some global properties for libxbps, to set some * function callbacks and data to the fetch and unpack functions, * the root and cache directory, flags, etc. */ struct xbps_handle { /** * @private conf_dictionary * * Internalized proplib dictionary from conffile member. * Used internally by xbps_init(). */ prop_dictionary_t conf_dictionary; /** * @var regpkgdb_dictionary. * * Internalized proplib dictionary with the registed package database * stored in XBPS_META_PATH/XBPS_REGPKGDB. */ prop_dictionary_t regpkgdb_dictionary; /** * @var xbps_unpack_cb * * Pointer to the supplied function callback to be used in * xbps_unpack_binary_pkg(). */ void (*xbps_unpack_cb)(void *); /** * @var xupd * * Pointer to a xbps_unpack_progress_data structure to be passed * as argument to the \a xbps_unpack_cb function callback. */ struct xbps_unpack_progress_data *xupd; /** * @var xbps_fetch_cb * * Pointer to the supplied function callback to be used in * xbps_fetch_file(). */ void (*xbps_fetch_cb)(void *); /** * @var xfpd * * Pointer to a xbps_fetch_progress_data structure to be passed * as argument to the \a xbps_fetch_cb function callback. */ struct xbps_fetch_progress_data *xfpd; /** * @private fetch_timeout * * Unsigned integer to specify libfetch's timeout limit. * If not set, it defaults to 30 (in seconds). This is set internally * by the API from a setting in configuration file. */ uint16_t fetch_timeout; /** * @var flags * * Flags to be set globally, possible values: * - XBPS_FLAG_VERBOSE * - XBPS_FLAG_FORCE */ int flags; /** * @var rootdir * * Root directory for all operations in XBPS. If NULL, * by default it's set to /. */ const char *rootdir; /** * @var cachedir * * Cache directory to store downloaded binary packages. * If NULL default value in \a XBPS_CACHE_PATH is used. */ const char *cachedir; /** * @var conffile * * Full path to the XBPS_CONF_PLIST configuration file. */ const char *conffile; /** * @var with_debug * * Set to true to enable debugging messages to stderr. */ bool with_debug; /** * @var install_reason_auto * * Set to true to make installed or updated target package * (and its dependencies) marked with automatic installation, * thus it will be found as orphan if no packages are depending * on it. */ bool install_reason_auto; /** * @var install_reason_manual * * Set to true to make installed or updated target package * (and its dependencies) marked with manual installation, thus * it will never will be found as orphan. */ bool install_reason_manual; }; /** * Initialize the XBPS library with the following steps: * * - Set function callbacks for fetching and unpacking. * - Set root directory (if not set, defaults to /). * - Set cache directory (if not set, defaults to XBPS_CACHE_PATH). * - Set global flags. * - Set default cache connections for libfetch. * - Initialize the debug printfs. * - Internalize the proplib dictionary in config file. * - Internalize the regpkgdb dictionary (if available). * * @param[in] xh Pointer to an xbps_handle structure. It's * assumed that this pointer is not NULL. * * @return 0 on success, an errno value otherwise. */ int xbps_init(struct xbps_handle *xh); /** * Releases all resources used by the XBPS library. */ void xbps_end(void); /** * Returns a pointer to the xbps_handle structure set by xbps_init(). */ const struct xbps_handle *xbps_handle_get(void); /*@}*/ /** @addtogroup configure */ /*@{*/ /** * Configure (or force reconfiguration of) a package. * * @param[in] pkgname Package name to configure. * @param[in] version Package version (optional). * @param[in] check_state Set it to true to check that package is * in unpacked state. * @param[in] update Set it to true if this package is being updated. * * @return 0 on success, otherwise an errno value. */ int xbps_configure_pkg(const char *pkgname, const char *version, bool check_state, bool update); /** * Configure (or force reconfiguration of) all packages. * * @return 0 on success, otherwise an errno value. */ int xbps_configure_packages(void); /*@}*/ /** * @ingroup vermatch * * Compares package version strings. * * The package version is defined by: * ${VERSION}[_${REVISION}][:${EPOCH}]. * * ${EPOCH} supersedes ${VERSION} supersedes ${REVISION}. * * @param[in] pkg1 a package version string. * @param[in] pkg2 a package version string. * * @return -1, 0 or 1 depending if pkg1 is less than, equal to or * greater than pkg2. */ int xbps_cmpver(const char *pkg1, const char *pkg2); /** @addtogroup download */ /*@{*/ /** * @struct xbps_fetch_progress_data xbps_api.h "xbps_api.h" * @brief Structure to be passed to the fetch progress function callback. * * This structure is passed as argument to the fetch progress function * callback and its members will be updated when there's any progress. * All members marked as read-only in this struct are set internally by * xbps_unpack_binary_pkg() and shouldn't be modified in the passed * function callback. */ struct xbps_fetch_progress_data { /** * @var file_size * * Filename size for the file to be fetched (set internally, * read only). */ off_t file_size; /** * @var file_offset * * Current offset for the filename being fetched (set internally, * read only). */ off_t file_offset; /** * @var file_dloaded * * Bytes downloaded for the file being fetched (set internally). */ off_t file_dloaded; /** * @var file_name * * File name being fetched (set internally, read only). */ const char *file_name; /** * @var cb_start * * If true the function callback should be prepared to start * the transfer progress (set internally, read only). */ bool cb_start; /** * var cb_update * * If true the function callback should be prepared to * update the transfer progress (set internally, read only). */ bool cb_update; /** * var cb_end * * If true the function callback should be prepated to * end the transfer progress (set internally, read only). */ bool cb_end; /** * @var cookie * * Pointer to private user data. */ void *cookie; }; /** * Download a file from a remote URL. * * @param[in] uri Remote URI string. * @param[in] outputdir Directory string to store downloaded file. * @param[in] refetch If true and local/remote size/mtime do not match, * fetch the file from scratch. * @param[in] flags Flags passed to libfetch's fetchXget(). * * @return -1 on error, 0 if not downloaded (because local/remote size/mtime * do not match) and 1 if downloaded successfully. **/ int xbps_fetch_file(const char *uri, const char *outputdir, bool refetch, const char *flags); /** * Returns last error string reported by xbps_fetch_file(). * * @return A string with the appropiate error message. */ const char *xbps_fetch_error_string(void); /*@}*/ /** * @ingroup pkg_orphans * * Finds all package orphans currently installed. * * @param[in] orphans Proplib array of strings with package names of * packages that should be treated as they were already removed (optional). * * @return A proplib array of dictionaries with all orphans found, * on error NULL is returned and errno is set appropiately. */ prop_array_t xbps_find_pkg_orphans(prop_array_t orphans); /** * @ingroup vermatch * * Package pattern matching. * * @param[in] instpkg Package/version string of an installed package. * @param[in] pattern Pattern required for \a instpkg to match. * * @return 1 if \a instpkg is matched against \a pattern, 0 if no match. */ int xbps_pkgpattern_match(const char *instpkg, const char *pattern); /** @addtogroup plist */ /*@{*/ /** * Adds a proplib object into a proplib dictionary with specified key. * * @param[in] dict Proplib dictionary to insert the object to. * @param[in] obj Proplib object to be inserted. * @param[in] key Key associated with \a obj. * * @return true on success, false otherwise and errno set appropiately. */ bool xbps_add_obj_to_dict(prop_dictionary_t dict, prop_object_t obj, const char *key); /** * Adds a proplib object into a proplib array. * * @param[in] array Proplib array to insert the object to. * @param[in] obj Proplib object to be inserted. * * @return true on success, false otherwise and xbps_errno set appropiately. */ bool xbps_add_obj_to_array(prop_array_t array, prop_object_t obj); /** * Executes a function callback specified in \a fn with \a arg paassed * as its argument into they array \a array. * * @param[in] array Proplib array to iterate. * @param[in] fn Function callback to run on every object in the array. * While running the function callback, the hird parameter (a pointer to * a boolean) can be set to true to stop immediately the loop. * @param[in] arg Argument to be passed to the function callback. * * @return 0 on success, otherwise an errno value is set appropiately. */ int xbps_callback_array_iter(prop_array_t array, int (*fn)(prop_object_t, void *, bool *), void *arg); /** * Executes a function callback into the array associated with key \a key, * contained in a proplib dictionary. * * @param[in] dict Proplib dictionary where the array resides. * @param[in] key Key associated with array. * @param[in] fn Function callback to run on every * object in the array. While running the function callback, the third * parameter (a pointer to a boolean) can be set to true to stop * immediately the loop. * @param[in] arg Argument to be passed to the function callback. * * @return 0 on success (all objects were processed), otherwise an * errno value is set appropiately. */ int xbps_callback_array_iter_in_dict(prop_dictionary_t dict, const char *key, int (*fn)(prop_object_t, void *, bool *), void *arg); /** * Executes a function callback (in reverse order) into the array * associated with key \a key, contained in a proplib dictionary. * * @param[in] dict Proplib dictionary where the array resides. * @param[in] key Key associated with array. * @param[in] fn Function callback to run on every * object in the array. While running the function callback, the third * parameter (a pointer to a boolean) can be set to true to stop * immediately the loop. * @param[in] arg Argument to be passed to the function callback. * * @return 0 on success (all objects were processed), otherwise an * errno value is set appropiately. */ int xbps_callback_array_iter_reverse_in_dict(prop_dictionary_t dict, const char *key, int (*fn)(prop_object_t, void *, bool *), void *arg); /** * Finds the proplib's dictionary associated with a package, by looking * it via its name in a proplib dictionary. * * @param[in] dict Proplib dictionary to look for the package dictionary. * @param[in] key Key associated with the array that stores package's dictionary. * @param[in] pkgname Package name to look for. * * @return The package's proplib dictionary on success, NULL otherwise and * errno is set appropiately. */ prop_dictionary_t xbps_find_pkg_in_dict_by_name(prop_dictionary_t dict, const char *key, const char *pkgname); /** * Finds the proplib's dictionary associated with a package, by looking * at it via a package pattern in a proplib dictionary. * * @param[in] dict Proplib dictionary to look for the package dictionary. * @param[in] key Key associated with the array storing the package's dictionary. * @param[in] pattern Package pattern to match. * * @return The package's proplib dictionary on success, NULL otherwise * and errno is set appropiately. */ prop_dictionary_t xbps_find_pkg_in_dict_by_pattern(prop_dictionary_t dict, const char *key, const char *pattern); /** * Finds the package's proplib dictionary in a plist file by specifying * a package name. * * @param[in] plist Path to a plist file. * @param[in] key Proplib array's key name. * @param[in] pkgname Package name to match in array. * * @return The package's proplib dictionary on success, NULL otherwise and * errno is set appropiately. Returned dictionary is copied via * prop_dictionary_copy(), which means that caller is responsible to * release the object with prop_object_release() when done. */ prop_dictionary_t xbps_find_pkg_dict_from_plist_by_name(const char *plist, const char *key, const char *pkgname); /** * Finds the package's proplib dictionary in a plist file by specifying * a package pattern. * * @param[in] plist Path to a plist file. * @param[in] key Proplib array's key name. * @param[in] pattern Package pattern to match in array. * * @return The package's proplib dictionary on success, NULL otherwise and * errno is set appropiately. Returned dictionary should be released with * prop_object_release() when it's not any longer needed. */ prop_dictionary_t xbps_find_pkg_dict_from_plist_by_pattern(const char *plist, const char *key, const char *pattern); /** * Finds a package's dictionary searching in the registered packages * database by using a package name or a package pattern. * * @param[in] str Package name or package pattern. * @param[in] bypattern Set it to true to find the package dictionary * by using a package pattern. If false, \a str is assumed to be a package name. * * @return The package's dictionary on success, NULL otherwise and * errno is set appropiately. Returned dictionary is copied via * prop_dictionary_copy(), which means that caller is responsible to * release the object with prop_object_release() when done. */ prop_dictionary_t xbps_find_pkg_dict_installed(const char *str, bool bypattern); /** * Finds a virtual package by looking at package's dictionary by * using a package name or a package pattern. * * @param[in] pkgd Package dictionary. * @param[in] str Virtual package name or package pattern. * @param[in] bypattern If true, \a str should be a package name, * otherwise it should be a package pattern. * * @return True if package dictionary matches the virtual package * name or pattern, false otherwise. */ bool xbps_find_virtual_pkg_in_dict(prop_dictionary_t pkgd, const char *str, bool bypattern); /** * Finds a package dictionary in a proplib array by matching a package name. * * @param[in] array The proplib array where to look for. * @param[in] name The package name to match. * * @return true on success, false otherwise and errno is set appropiately. */ prop_dictionary_t xbps_find_pkg_in_array_by_name(prop_array_t array, const char *name); /** * Finds a package dictionary in a proplib array by matching a package pattern. * * @param[in] array The proplib array where to look for. * @param[in] pattern The package pattern to match. * * @return true on success, false otherwise and errno is set appropiately. */ prop_dictionary_t xbps_find_pkg_in_array_by_pattern(prop_array_t array, const char *pattern); /** * Finds a package name matching an string object in a proplib array. * * @param[in] array The proplib array where to look for. * @param[in] pkgname The package name to match. * * @return true on success, false otherwise and errno is set appropiately. */ bool xbps_find_pkgname_in_array(prop_array_t array, const char *pkgname); /** * Finds a package pattern matching an string object in a proplib array. * * @param[in] array The proplib array where to look for. * @param[in] pattern The package pattern to match. * * @return true on success, false otherwise and errno is set appropiately. */ bool xbps_find_pkgpattern_in_array(prop_array_t array, const char *pattern); /** * Finds a string matching an object in a proplib array. * * @param[in] array The proplib array where to look for. * @param[in] val The value of string to match. * * @return true on success, false otherwise and errno is set appropiately. */ bool xbps_find_string_in_array(prop_array_t array, const char *val); /** * Gets a proplib object iterator associated with an array, contained * in a proplib dictionary matching a key. * * @param[in] dict Proplib dictionary where to look for the array. * @param[in] key Key associated with the array. * * @return A proplib object iterator on success, NULL otherwise and * errno is set appropiately. */ prop_object_iterator_t xbps_array_iter_from_dict(prop_dictionary_t dict, const char *key); /** * Get a proplib object dictionary associated with the installed package * \a pkgname, by internalizing its plist file defined by \a plist. * * @param[in] pkgname Package name of installed package. * @param[in] plist Package metadata property list file. * * @return The proplib object dictionary on success, NULL otherwise and * errno is set appropiately. */ prop_dictionary_t xbps_dictionary_from_metadata_plist(const char *pkgname, const char *plist); /** * Removes the package's proplib dictionary matching \a pkgname * in a plist file. * * @param[in] name Package name to match in plist's dictionary. * @param[in] plist Path to a plist file. * * @return true on success, false otherwise and errno is set appropiately. */ bool xbps_remove_pkg_dict_from_plist_by_name(const char *name, const char *plist); /** * Removes the package's proplib dictionary matching \a pkgname * in a proplib array. * * @param[in] array Proplib array where to look for. * @param[in] name Package name to match in the array. * * @return true on success, false otherwise and errno is set appropiately. */ bool xbps_remove_pkg_from_array_by_name(prop_array_t array, const char *name); /** * Removes the package's proplib dictionary matching \a pkgname, * in an array with key \a key stored in a proplib dictionary. * * @param[in] dict Proplib dictionary storing the proplib array. * @param[in] key Key associated with the proplib array. * @param[in] name Package name to look for. * * @return true on success, false otherwise and errno is set appropiately. */ bool xbps_remove_pkg_from_dict_by_name(prop_dictionary_t dict, const char *key, const char *name); /** * Removes a string from a proplib's array. * * @param[in] array Proplib array where to look for. * @param[in] str String to match in the array. * * @return true on success, false otherwise and errno is set appropiately. */ bool xbps_remove_string_from_array(prop_array_t array, const char *str); /** * Removes a string from a proplib's array matched by a package name. * * @param[in] array Proplib array where to look for. * @param[in] name Package name to match. * * @return true on success, false otherwise and errno is set appropiately. */ bool xbps_remove_pkgname_from_array(prop_array_t array, const char *name); /*@}*/ /** @addtogroup purge */ /*@{*/ /** * Purge an installed package. * * @param[in] pkgname Package name to match. * @param[in] check_state Set it to true to check that package * is in XBPS_PKG_STATE_CONFIG_FILES state. * * @return 0 on success, otherwise an errno value. */ int xbps_purge_pkg(const char *pkgname, bool check_state); /** * Purge all installed packages. Packages that aren't in * XBPS_PKG_STATE_CONFIG_FILES state will be ignored. * * @return 0 on success, otherwise an errno value. */ int xbps_purge_packages(void); /*@}*/ /** @addtogroup pkg_register */ /*@{*/ /** * Register a package into the installed packages database. * * @param[in] pkg_dict A dictionary with the following objects: * \a pkgname, \a version, \a pkgver, \a short_desc (string), * \a automatic-install (bool) and optionally \a provides (array of strings). * * @return 0 on success, otherwise an errno value. */ int xbps_register_pkg(prop_dictionary_t pkg_dict); /** * Unregister a package from the package database. * * @param[in] pkgname Package name. * * @return 0 on success, otherwise an errno value. */ int xbps_unregister_pkg(const char *pkgname); /*@}*/ /** @addtogroup pkg_remove */ /*@{*/ /** * Remove an installed package. * * @param[in] pkgname Package name to match. * @param[in] version Package version associated. * @param[in] update If true, some steps will be skipped. See in the * detailed description above for more information. * * @return 0 on success, otherwise an errno value. */ int xbps_remove_pkg(const char *pkgname, const char *version, bool update); /** * Remove files defined in a proplib array as specified by \a key * of an installed package. * * @param[in] dict Proplib dictionary internalized from package's * XBPS_PKGFILES definition in package's metadata directory. * The image in Detailed description shows off its structure. * @param[in] key Key of the array object to match, valid values are: * files, dirs, links and conf_files. * * @return 0 on success, otherwise an errno value. */ int xbps_remove_pkg_files(prop_dictionary_t dict, const char *key); /*@}*/ /** @addtogroup repo_pkgs */ /*@{*/ /** * Finds a package by a pattern and enqueues it into * the transaction dictionary for future use. The first repository in * the pool that matched the pattern wins. * * @note The function name might be misleading, but is correct because * if package is found, it will be marked as "going to be installed". * * @param pkgpattern Package name or pattern to find. * * @return 0 on success, otherwise an errno value. */ int xbps_repository_install_pkg(const char *pkgpattern); /** * Marks a package as "going to be updated" in the transaction dictionary. * All repositories in the pool will be used, and if a newer version * is available the package dictionary will be enqueued. * * @param pkgname The package name to update. * * @return 0 on success, otherwise an errno value. */ int xbps_repository_update_pkg(const char *pkgname); /** * Finds newer versions for all installed packages by looking at the * repository pool. If a newer version exists, package will be enqueued * into the transaction dictionary. * * @return 0 on success, otherwise an errno value. */ int xbps_repository_update_packages(void); /*@}*/ /** @addtogroup transdict */ /*@{*/ /** * Returns the transaction dictionary, as shown above in the image. * Before returning the package list is sorted in the correct order * and total installed/download size for the transaction is computed. * * @return The proplib transaction dictionary on success, otherwise NULL * and errno is set appropiately. ENXIO if the transaction * dictionary and the missing deps array were not created. ENODEV if * there are missing dependencies or any other if there was an error * while sorting packages or computing the transaction size. * * @note * - This function will set errno to ENXIO if xbps_repository_install_pkg() * xbps_repository_update_pkg() functions were not called previously. */ prop_dictionary_t xbps_transaction_prepare(void); /** * Returns the missing deps array if xbps_repository_install_pkg() * or xbps_repository_update_pkg() failed to find required packages * in registered repositories. * * @return The proplib array, NULL if it couldn't be created. */ prop_array_t xbps_transaction_missingdeps_get(void); /*@}*/ /** @addtogroup plist_fetch */ /*@{*/ /** * Internalizes a plist file in a binary package file stored locally or * remotely as specified in the URL. * * @param[in] url URL to binary package file (full local or remote path). * @param[in] plistf Plist file name to internalize. * * @return An internalized proplib dictionary, otherwise NULL and * errno is set appropiately. */ prop_dictionary_t xbps_dictionary_metadata_plist_by_url(const char *url, const char *plistf); /*@}*/ /** @addtogroup repopool */ /*@{*/ /** * @struct repository_pool_index xbps_api.h "xbps_api.h" * @brief Repository pool dictionary structure * * Repository index object structure registered in a private simple queue. * The structure contains a dictionary and the URI associated with the * registered repository index. */ struct repository_pool_index { /** * @var rpi_repod * * Internalized Proplib dictionary of the pkg-index plist file * associated with repository. */ prop_dictionary_t rpi_repod; /** * @var rpi_uri * * URI string associated with repository. */ char *rpi_uri; }; /** * Iterates over the repository pool and executes the \a fn function * callback passing in the void * \a arg argument to it. The bool pointer * argument can be used in the callbacks to stop immediately the loop if * set to true, otherwise it will only be stopped if it returns a * non-zero value. * * @param[in] fn Function callback to execute for every repository registered in * the pool. * @param[in] arg Opaque data passed in to the \a fn function callback for * client data. * * @return 0 on success, otherwise an errno value. */ int xbps_repository_pool_foreach( int (*fn)(struct repository_pool_index *, void *, bool *), void *arg); /** * Finds a package dictionary in the repository pool by specifying a * package pattern or a package name. * * @param[in] pkg Package pattern or name. * @param[in] bypattern True if \a pkg is a pattern, false if it is a pkgname. * @param[in] best True to find the best version available in repo, false to * fetch the first package found matching its pkgname. * * @return The package dictionary if found, NULL otherwise. */ prop_dictionary_t xbps_repository_pool_find_pkg(const char *pkg, bool bypattern, bool best); /** * Iterate over the the repository pool and search for a metadata plist * file in a binary package named 'pkgname'. If a package is matched by * \a pkgname, the plist file \a plistf will be internalized into a * proplib dictionary. * * The first repository that has it wins and the loop is stopped. * This will work locally and remotely, thanks to libarchive and * libfetch! * * @param[in] pkgname Package name to match. * @param[in] plistf Plist file name to match. * * @return An internalized proplib dictionary of \a plistf, otherwise NULL * and errno is set appropiately. * * @note if NULL is returned and errno is ENOENT, that means that * binary package file has been found but the plist file could not * be found. */ prop_dictionary_t xbps_repository_pool_dictionary_metadata_plist(const char *pkgname, const char *plistf); /*@}*/ /** @addtogroup reposync */ /*@{*/ /** * Syncs the package index file for a remote repository as specified * by the \a uri argument (if necessary). * * @param[in] uri URI to a remote repository. * * @return -1 on error (errno is set appropiately), 0 if transfer was * not necessary (local/remote size/mtime matched) or 1 if * downloaded successfully. */ int xbps_repository_sync_pkg_index(const char *uri); /*@}*/ /** @addtogroup pkgstates */ /*@{*/ /** * @enum pkg_state_t * * Integer representing a state on which a package may be. Possible * values for this are: * * XBPS_PKG_STATE_UNPACKED: Package has been unpacked correctly * but has not been configured due to unknown reasons. * * XBPS_PKG_STATE_INSTALLED: Package has been installed successfully. * * XBPS_PKG_STATE_BROKEN: not yet used. * * XBPS_PKG_STATE_CONFIG_FILES: Package has been removed but not * yet purged. * * XBPS_PKG_STATE_NOT_INSTALLED: Package going to be installed in * a transaction dictionary but that has not been yet unpacked. */ typedef enum pkg_state { XBPS_PKG_STATE_UNPACKED = 1, XBPS_PKG_STATE_INSTALLED, XBPS_PKG_STATE_BROKEN, XBPS_PKG_STATE_CONFIG_FILES, XBPS_PKG_STATE_NOT_INSTALLED } pkg_state_t; /** * Gets package state from package \a pkgname, and sets its state * into \a state. * * @param[in] pkgname Package name. * @param[out] state Package state returned. * * @return 0 on success, otherwise an errno value. */ int xbps_pkg_state_installed(const char *pkgname, pkg_state_t *state); /** * Gets package state from a package dictionary \a dict, and sets its * state into \a state. * * @param[in] dict Package dictionary. * @param[out] state Package state returned. * * @return 0 on success, otherwise an errno value. */ int xbps_pkg_state_dictionary(prop_dictionary_t dict, pkg_state_t *state); /** * Sets package state \a state in package \a pkgname. * * @param[in] pkgname Package name. * @param[in] version Package version (optional). * @param[in] pkgver Package name/version touple (optional). * @param[in] state Package state to be set. * * @return 0 on success, otherwise an errno value. */ int xbps_set_pkg_state_installed(const char *pkgname, const char *version, const char *pkgver, pkg_state_t state); /** * Sets package state \a state in package dictionary \a dict. * * @param[in] dict Package dictionary. * @param[in] state Package state to be set. * * @return 0 on success, otherwise an errno value. */ int xbps_set_pkg_state_dictionary(prop_dictionary_t dict, pkg_state_t state); /*@}*/ /** @addtogroup unpack */ /*@{*/ /** * @struct xbps_unpack_progress_data xbps_api.h "xbps_api.h" * @brief Structure to be passed to the unpacking progress function callback. * * This structure is passed as argument to the unpack progress function * callback and its members will be updated when there's any progress. * All members in this struct are set internally by xbps_unpack_binary_pkg() * and should be used in read-only mode in the function callback. */ struct xbps_unpack_progress_data { /** * @var entry * * Entry pathname string (set internally, read only). */ const char *entry; /** * @var entry_size * * Entry file size (set internally, read only). */ int64_t entry_size; /** * @var entry_extract_count * * Total number of extracted entries (set internally, read only). */ ssize_t entry_extract_count; /** * @var entry_total_count * * Total number of entries in package (set internally, read only). */ ssize_t entry_total_count; /** * @var entry_is_metadata * * If true "entry" is a package metadata file (set internally, * read only). */ bool entry_is_metadata; /** * @var entry_is_conf * * If true "entry" is a configuration file (set internally, * read only). */ bool entry_is_conf; }; /** * Unpacks a binary package into specified root directory. * * @param[in] trans_pkg_dict Package proplib dictionary as stored in the * \a packages array returned by the transaction dictionary. * * @return 0 on success, otherwise an errno value. */ int xbps_unpack_binary_pkg(prop_dictionary_t trans_pkg_dict); /*@}*/ /** @addtogroup util */ /*@{*/ /** * Creates a directory (and required components if necessary). * * @param[in] path Path for final directory. * @param[in] mode Mode for final directory (0755 if not specified). * * @return 0 on success, -1 on error and errno set appropiately. */ int xbps_mkpath(const char *path, mode_t mode); /** * Returns a string by concatenating its variable argument list * as specified by the format string \a fmt. * * @param[in] fmt Format string, see printf(3). * @return A pointer to a malloc(3)ed string, NULL otherwise and errno * is set appropiately. The pointer should be free(3)d when it's * no longer needed. */ char *xbps_xasprintf(const char *fmt, ...); /** * Returns a string with the sha256 hash for the file specified * by \a file. * * @param[in] file Path to a file. * @return A pointer to a malloc(3)ed string, NULL otherwise and errno * is set appropiately. The pointer should be free(3)d when it's no * longer needed. */ char *xbps_file_hash(const char *file); /** * Returns a string with the sha256 hash for the file specified * by \a file in an array with key \a key in the proplib dictionary * \a d. * * @param[in] d Proplib dictionary to look in. * @param[in] key Array key to match in dictionary. * @param[in] file Pathname to a file. * * @return The sha256 hash string if found, NULL otherwise * and errno is set appropiately. */ const char *xbps_file_hash_from_dictionary(prop_dictionary_t d, const char *key, const char *file); /** * Compares the sha256 hash of the file \a file with the sha256 * string specified by \a sha256. * * @param[in] file Path to a file. * @param[in] sha256 SHA256 hash to compare. * * @return 0 if \a file and \a sha256 have the same hash, ERANGE * if it differs, or any other errno value on error. */ int xbps_file_hash_check(const char *file, const char *sha256); /** * Checks if a package is currently installed by matching a package * pattern string. * * @param[in] pkg Package pattern used to find the package. * * @return -1 on error (errno set appropiately), 0 if package pattern * didn't match installed package, 1 if \a pkg pattern fully * matched installed package. */ int xbps_check_is_installed_pkg_by_pattern(const char *pkg); /** * Checks if package \a pkgname is currently installed. * * @param[in] pkgname Package name. * * @return True if \a pkgname is installed, false otherwise. */ bool xbps_check_is_installed_pkg_by_name(const char *pkgname); /** * Checks if the URI specified by \a uri is remote or local. * * @param[in] uri URI string. * * @return true if URI is remote, false if local. */ bool xbps_check_is_repository_uri_remote(const char *uri); /** * Gets the full URI to a binary package file as returned by a * package dictionary from a repository in \a pkgd, by looking at the * repository location object "repository" in its dictionary. * * @param[in] pkgd Package dictionary stored in a transaction dictionary. * @param[in] repoloc Repository URL location string. * * @return A pointer to a malloc(3)ed string, NULL otherwise and * errno is set appropiately. The pointer should be free(3)d when it's * no longer needed. */ char *xbps_path_from_repository_uri(prop_dictionary_t pkgd, const char *repoloc); /** * Gets the full path to a repository package index plist file, as * specified by \a uri. * * @param[in] uri Repository URI. * * @return A pointer to a malloc(3)d string, NULL otherwise and * errno is set appropiately. The pointer should be free(3)d when it's * no longer needed. */ char *xbps_pkg_index_plist(const char *uri); /** * Gets the name of a package string. Package strings are composed * by a @/@ pair and separated by the minus * sign, i.e foo-2.0. * * @param[in] pkg Package string. * * @return A pointer to a malloc(3)d string, NULL otherwise and * errno is set appropiately. The pointer should be free(3)d when it's * no longer needed. */ char *xbps_pkg_name(const char *pkg); /** * Gets a the package name of a package pattern string specified by * the \a pattern argument. * * @param[in] pattern A package pattern. Package patterns are composed * by looking at '><=' to split components, i.e foo>=2.0, * blah<1.0, blob==2.0, etc. * * @return A pointer to a malloc(3)ed string with the package name, * NULL otherwise and errno is set appropiately. The pointer should be * free(3)d when it's no longer needed. */ char *xbps_pkgpattern_name(const char *pattern); /** * Gets the package version in a package string, i.e foo-2.0. * * @param[in] pkg Package string. * * @return A string with the version string, NULL if it couldn't * find the version component. */ const char *xbps_pkg_version(const char *pkg); /** * Gets the package version of a package pattern string specified by * the \a pattern argument. * * @param[in] pattern A package pattern. The same rules in * xbps_get_pkgpattern_name() apply here. * * @return A string with the pattern version, NULL otherwise and * errno is set appropiately. */ const char *xbps_pkgpattern_version(const char *pattern); /** * Gets the package version revision in a package string. * * @param[in] pkg Package string, i.e foo-2.0_1. * * @return A string with the revision number, NULL if it couldn't * find the revision component. */ const char *xbps_pkg_revision(const char *pkg); /** * Checks if a package has run dependencies. * * @param[in] dict Package dictionary. * * @return True if package has run dependencies, false otherwise. */ bool xbps_pkg_has_rundeps(prop_dictionary_t dict); /** * Converts the 64 bits signed number specified in \a bytes to * a human parsable string buffer pointed to \a buf. * * @param[out] buf Buffer to store the resulting string. At least * it should have space for 6 chars. * @param[in] bytes 64 bits signed number to convert. * * @return A negative number is returned on error, 0 otherwise. */ int xbps_humanize_number(char *buf, int64_t bytes); /*@}*/ __END_DECLS #endif /* !_XBPS_API_H_ */