X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fshared%2Finstall.c;h=3ef995a9285acd661ec22056810d93de97f230d8;hb=81fc054dc7c365545bca86d78bf36a12658cedb3;hp=26dbbb6f07c155cbe7b5d092e9e85b2eb31df971;hpb=8f294b45cbb627d31342f6a79444be59ce7e2274;p=elogind.git diff --git a/src/shared/install.c b/src/shared/install.c index 26dbbb6f0..3ef995a92 100644 --- a/src/shared/install.c +++ b/src/shared/install.c @@ -45,11 +45,8 @@ typedef struct { Hashmap *have_installed; } InstallContext; -#define _cleanup_install_context_done_ _cleanup_(install_context_done) - -static int in_search_path(const char *path, char **search, const char *root_dir) { +static int in_search_path(const char *path, char **search) { _cleanup_free_ char *parent = NULL; - char **i; int r; assert(path); @@ -58,24 +55,7 @@ static int in_search_path(const char *path, char **search, const char *root_dir) if (r < 0) return r; - STRV_FOREACH(i, search) { - _cleanup_free_ char *buf = NULL; - const char *p; - - if (root_dir) { - buf = strjoin(root_dir, "/", *i, NULL); - if (!buf) - return -ENOMEM; - - p = buf; - } else - p = *i; - - if (path_equal(parent, p)) - return 1; - } - - return 0; + return strv_contains(search, parent); } static int lookup_paths_init_from_scope(LookupPaths *paths, @@ -106,15 +86,10 @@ static int get_config_path(UnitFileScope scope, bool runtime, const char *root_d case UNIT_FILE_SYSTEM: - if (root_dir && runtime) - asprintf(&p, "%s/run/systemd/system", root_dir); - else if (runtime) - p = strdup("/run/systemd/system"); - else if (root_dir) - asprintf(&p, "%s/%s", root_dir, SYSTEM_CONFIG_UNIT_PATH); + if (runtime) + p = path_join(root_dir, "/run/systemd/system", NULL); else - p = strdup(SYSTEM_CONFIG_UNIT_PATH); - + p = path_join(root_dir, SYSTEM_CONFIG_UNIT_PATH, NULL); break; case UNIT_FILE_GLOBAL: @@ -178,12 +153,16 @@ static int add_file_change( if (!c[i].path) return -ENOMEM; + path_kill_slashes(c[i].path); + if (source) { c[i].source = strdup(source); if (!c[i].source) { free(c[i].path); return -ENOMEM; } + + path_kill_slashes(c[i].path); } else c[i].source = NULL; @@ -777,7 +756,7 @@ int unit_file_link( continue; } - q = in_search_path(*i, paths.unit_path, root_dir); + q = in_search_path(*i, paths.unit_path); if (q < 0) return q; @@ -965,20 +944,19 @@ static int config_parse_also( void *data, void *userdata) { - char *w; size_t l; - char *state; + const char *word, *state; InstallContext *c = data; assert(filename); assert(lvalue); assert(rvalue); - FOREACH_WORD_QUOTED(w, l, rvalue, state) { + FOREACH_WORD_QUOTED(word, l, rvalue, state) { _cleanup_free_ char *n; int r; - n = strndup(w, l); + n = strndup(word, l); if (!n) return -ENOMEM; @@ -986,6 +964,9 @@ static int config_parse_also( if (r < 0) return r; } + if (!isempty(state)) + log_syntax(unit, LOG_ERR, filename, line, EINVAL, + "Trailing garbage, ignoring."); return 0; } @@ -1057,6 +1038,7 @@ static int unit_file_load( InstallContext *c, InstallInfo *info, const char *path, + const char *root_dir, bool allow_symlink) { const ConfigTableItem items[] = { @@ -1069,14 +1051,16 @@ static int unit_file_load( {} }; - int fd; _cleanup_fclose_ FILE *f = NULL; - int r; + int fd, r; assert(c); assert(info); assert(path); + if (!isempty(root_dir)) + path = strappenda(root_dir, "/", path); + fd = open(path, O_RDONLY|O_CLOEXEC|O_NOCTTY|(allow_symlink ? 0 : O_NOFOLLOW)); if (fd < 0) return -errno; @@ -1087,7 +1071,10 @@ static int unit_file_load( return -ENOMEM; } - r = config_parse(NULL, path, f, NULL, config_item_table_lookup, (void*) items, true, true, info); + r = config_parse(NULL, path, f, + NULL, + config_item_table_lookup, items, + true, true, false, info); if (r < 0) return r; @@ -1111,30 +1098,19 @@ static int unit_file_search( assert(info); assert(paths); - if (info->path) { - const char *path; - - if (isempty(root_dir)) - path = info->path; - else - path = strappenda(root_dir, info->path); - - return unit_file_load(c, info, path, allow_symlink); - } + if (info->path) + return unit_file_load(c, info, info->path, root_dir, allow_symlink); assert(info->name); STRV_FOREACH(p, paths->unit_path) { _cleanup_free_ char *path = NULL; - if (isempty(root_dir)) - path = strjoin(*p, "/", info->name, NULL); - else - path = strjoin(root_dir, "/", *p, "/", info->name, NULL); + path = strjoin(*p, "/", info->name, NULL); if (!path) return -ENOMEM; - r = unit_file_load(c, info, path, allow_symlink); + r = unit_file_load(c, info, path, root_dir, allow_symlink); if (r >= 0) { info->path = path; path = NULL; @@ -1150,7 +1126,7 @@ static int unit_file_search( * enablement was requested. We will check if it is * possible to load template unit file. */ - _cleanup_free_ char *template = NULL, *template_dir = NULL; + _cleanup_free_ char *template = NULL; template = unit_name_template(info->name); if (!template) @@ -1159,14 +1135,11 @@ static int unit_file_search( STRV_FOREACH(p, paths->unit_path) { _cleanup_free_ char *path = NULL; - if (isempty(root_dir)) - path = strjoin(*p, "/", template, NULL); - else - path = strjoin(root_dir, "/", *p, "/", template, NULL); + path = strjoin(*p, "/", template, NULL); if (!path) return -ENOMEM; - r = unit_file_load(c, info, path, allow_symlink); + r = unit_file_load(c, info, path, root_dir, allow_symlink); if (r >= 0) { info->path = path; path = NULL; @@ -1186,7 +1159,7 @@ static int unit_file_can_install( const char *name, bool allow_symlink) { - _cleanup_install_context_done_ InstallContext c = {}; + _cleanup_(install_context_done) InstallContext c = {}; InstallInfo *i; int r; @@ -1302,7 +1275,14 @@ static int install_info_symlink_wants( assert(i); assert(config_path); - if (unit_name_is_template(i->name) && i->default_instance) { + if (unit_name_is_template(i->name)) { + + /* Don't install any symlink if there's no default + * instance configured */ + + if (!i->default_instance) + return 0; + buf = unit_name_replace_instance(i->name, i->default_instance); if (!buf) return -ENOMEM; @@ -1352,7 +1332,7 @@ static int install_info_symlink_link( assert(config_path); assert(i->path); - r = in_search_path(i->path, paths->unit_path, root_dir); + r = in_search_path(i->path, paths->unit_path); if (r != 0) return r; @@ -1516,7 +1496,7 @@ int unit_file_enable( unsigned *n_changes) { _cleanup_lookup_paths_free_ LookupPaths paths = {}; - _cleanup_install_context_done_ InstallContext c = {}; + _cleanup_(install_context_done) InstallContext c = {}; char **i; _cleanup_free_ char *config_path = NULL; int r; @@ -1555,7 +1535,7 @@ int unit_file_disable( unsigned *n_changes) { _cleanup_lookup_paths_free_ LookupPaths paths = {}; - _cleanup_install_context_done_ InstallContext c = {}; + _cleanup_(install_context_done) InstallContext c = {}; char **i; _cleanup_free_ char *config_path = NULL; _cleanup_set_free_free_ Set *remove_symlinks_to = NULL; @@ -1615,7 +1595,7 @@ int unit_file_set_default( unsigned *n_changes) { _cleanup_lookup_paths_free_ LookupPaths paths = {}; - _cleanup_install_context_done_ InstallContext c = {}; + _cleanup_(install_context_done) InstallContext c = {}; _cleanup_free_ char *config_path = NULL; char *path; int r; @@ -1676,11 +1656,7 @@ int unit_file_get_default( _cleanup_free_ char *path = NULL, *tmp = NULL; char *n; - if (isempty(root_dir)) - path = strappend(*p, "/" SPECIAL_DEFAULT_TARGET); - else - path = strjoin(root_dir, "/", *p, "/" SPECIAL_DEFAULT_TARGET, NULL); - + path = path_join(root_dir, *p, SPECIAL_DEFAULT_TARGET); if (!path) return -ENOMEM; @@ -1737,15 +1713,12 @@ UnitFileState unit_file_get_state( free(path); path = NULL; - if (root_dir) - asprintf(&path, "%s/%s/%s", root_dir, *i, name); - else - asprintf(&path, "%s/%s", *i, name); + path = path_join(root_dir, *i, name); if (!path) return -ENOMEM; if (root_dir) - partial = path + strlen(root_dir) + 1; + partial = path + strlen(root_dir); else partial = path; @@ -1794,7 +1767,7 @@ UnitFileState unit_file_get_state( int unit_file_query_preset(UnitFileScope scope, const char *root_dir, const char *name) { _cleanup_strv_free_ char **files = NULL; - char **i; + char **p; int r; assert(scope >= 0); @@ -1822,17 +1795,10 @@ int unit_file_query_preset(UnitFileScope scope, const char *root_dir, const char if (r < 0) return r; - STRV_FOREACH(i, files) { - _cleanup_free_ char *buf = NULL; + STRV_FOREACH(p, files) { _cleanup_fclose_ FILE *f; - const char *p; - if (root_dir) - p = buf = strjoin(root_dir, "/", *i, NULL); - else - p = *i; - - f = fopen(p, "re"); + f = fopen(*p, "re"); if (!f) { if (errno == ENOENT) continue; @@ -1891,7 +1857,7 @@ int unit_file_preset( UnitFileChange **changes, unsigned *n_changes) { - _cleanup_install_context_done_ InstallContext plus = {}, minus = {}; + _cleanup_(install_context_done) InstallContext plus = {}, minus = {}; _cleanup_lookup_paths_free_ LookupPaths paths = {}; _cleanup_free_ char *config_path = NULL; char **i; @@ -1899,7 +1865,7 @@ int unit_file_preset( assert(scope >= 0); assert(scope < _UNIT_FILE_SCOPE_MAX); - assert(mode < _UNIT_FILE_PRESET_MODE_MAX); + assert(mode < _UNIT_FILE_PRESET_MAX); r = lookup_paths_init_from_scope(&paths, scope, root_dir); if (r < 0) @@ -1959,7 +1925,7 @@ int unit_file_preset_all( UnitFileChange **changes, unsigned *n_changes) { - _cleanup_install_context_done_ InstallContext plus = {}, minus = {}; + _cleanup_(install_context_done) InstallContext plus = {}, minus = {}; _cleanup_lookup_paths_free_ LookupPaths paths = {}; _cleanup_free_ char *config_path = NULL; char **i; @@ -1967,7 +1933,7 @@ int unit_file_preset_all( assert(scope >= 0); assert(scope < _UNIT_FILE_SCOPE_MAX); - assert(mode < _UNIT_FILE_PRESET_MODE_MAX); + assert(mode < _UNIT_FILE_PRESET_MAX); r = lookup_paths_init_from_scope(&paths, scope, root_dir); if (r < 0) @@ -1979,17 +1945,11 @@ int unit_file_preset_all( STRV_FOREACH(i, paths.unit_path) { _cleanup_closedir_ DIR *d = NULL; - _cleanup_free_ char *buf = NULL; - const char *units_dir; + _cleanup_free_ char *units_dir; - if (!isempty(root_dir)) { - buf = strjoin(root_dir, "/", *i, NULL); - if (!buf) - return -ENOMEM; - - units_dir = buf; - } else - units_dir = *i; + units_dir = path_join(root_dir, *i, NULL); + if (!units_dir) + return -ENOMEM; d = opendir(units_dir); if (!d) { @@ -2057,14 +2017,15 @@ int unit_file_preset_all( return r; } -static void unitfilelist_free(UnitFileList **f) { - if (!*f) +static void unit_file_list_free_one(UnitFileList *f) { + if (!f) return; - free((*f)->path); - free(*f); + free(f->path); + free(f); } -#define _cleanup_unitfilelist_free_ _cleanup_(unitfilelist_free) + +DEFINE_TRIVIAL_CLEANUP_FUNC(UnitFileList*, unit_file_list_free_one); int unit_file_get_list( UnitFileScope scope, @@ -2082,23 +2043,23 @@ int unit_file_get_list( if (root_dir && scope != UNIT_FILE_SYSTEM) return -EINVAL; + if (root_dir) { + r = access(root_dir, F_OK); + if (r < 0) + return -errno; + } + r = lookup_paths_init_from_scope(&paths, scope, root_dir); if (r < 0) return r; STRV_FOREACH(i, paths.unit_path) { _cleanup_closedir_ DIR *d = NULL; - _cleanup_free_ char *buf = NULL; - const char *units_dir; - - if (!isempty(root_dir)) { - buf = strjoin(root_dir, "/", *i, NULL); - if (!buf) - return -ENOMEM; + _cleanup_free_ char *units_dir; - units_dir = buf; - } else - units_dir = *i; + units_dir = path_join(root_dir, *i, NULL); + if (!units_dir) + return -ENOMEM; d = opendir(units_dir); if (!d) { @@ -2109,8 +2070,9 @@ int unit_file_get_list( } for (;;) { - _cleanup_unitfilelist_free_ UnitFileList *f = NULL; + _cleanup_(unit_file_list_free_onep) UnitFileList *f = NULL; struct dirent *de; + _cleanup_free_ char *path = NULL; errno = 0; de = readdir(d); @@ -2160,7 +2122,11 @@ int unit_file_get_list( goto found; } - r = unit_file_can_install(&paths, root_dir, f->path, true); + path = path_make_absolute(de->d_name, *i); + if (!path) + return -ENOMEM; + + r = unit_file_can_install(&paths, root_dir, path, true); if (r == -EINVAL || /* Invalid setting? */ r == -EBADMSG || /* Invalid format? */ r == -ENOENT /* Included file not found? */) @@ -2204,7 +2170,7 @@ static const char* const unit_file_change_type_table[_UNIT_FILE_CHANGE_TYPE_MAX] DEFINE_STRING_TABLE_LOOKUP(unit_file_change_type, UnitFileChangeType); -static const char* const unit_file_preset_mode_table[_UNIT_FILE_PRESET_MODE_MAX] = { +static const char* const unit_file_preset_mode_table[_UNIT_FILE_PRESET_MAX] = { [UNIT_FILE_PRESET_FULL] = "full", [UNIT_FILE_PRESET_ENABLE_ONLY] = "enable-only", [UNIT_FILE_PRESET_DISABLE_ONLY] = "disable-only",