X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fshared%2Finstall.c;h=487d0f660d40b6f13d3be1435e9d4a65a6dd187c;hp=2c119e2dcad2b8697cf741c92aa6cdb9568640d6;hb=849958d1ba3533c953fad46d4d41c0ec6e48316d;hpb=e8372f7e3e3a5aba053b1b5b944cb84d6d525877 diff --git a/src/shared/install.c b/src/shared/install.c index 2c119e2dc..487d0f660 100644 --- a/src/shared/install.c +++ b/src/shared/install.c @@ -47,7 +47,9 @@ typedef struct { #define _cleanup_install_context_done_ _cleanup_(install_context_done) -static int lookup_paths_init_from_scope(LookupPaths *paths, UnitFileScope scope) { +static int lookup_paths_init_from_scope(LookupPaths *paths, + UnitFileScope scope, + const char *root_dir) { assert(paths); assert(scope >= 0); assert(scope < _UNIT_FILE_SCOPE_MAX); @@ -57,6 +59,7 @@ static int lookup_paths_init_from_scope(LookupPaths *paths, UnitFileScope scope) return lookup_paths_init(paths, scope == UNIT_FILE_SYSTEM ? SYSTEMD_SYSTEM : SYSTEMD_USER, scope == UNIT_FILE_USER, + root_dir, NULL, NULL, NULL); } @@ -204,7 +207,7 @@ static int remove_marked_symlinks_fd( d = fdopendir(fd); if (!d) { - close_nointr_nofail(fd); + safe_close(fd); return -errno; } @@ -212,11 +215,10 @@ static int remove_marked_symlinks_fd( for (;;) { struct dirent *de; - union dirent_storage buf; - int k; - k = readdir_r(d, &buf.de, &de); - if (k != 0) { + errno = 0; + de = readdir(d); + if (!de && errno != 0) { r = -errno; break; } @@ -245,7 +247,7 @@ static int remove_marked_symlinks_fd( p = path_make_absolute(de->d_name, path); if (!p) { - close_nointr_nofail(nfd); + safe_close(nfd); return -ENOMEM; } @@ -276,10 +278,10 @@ static int remove_marked_symlinks_fd( found = set_get(remove_symlinks_to, dest) || - set_get(remove_symlinks_to, path_get_file_name(dest)); + set_get(remove_symlinks_to, basename(dest)); if (unit_name_is_instance(p)) - found = found && strv_contains(files, path_get_file_name(p)); + found = found && strv_contains(files, basename(p)); if (found) { @@ -333,7 +335,7 @@ static int remove_marked_symlinks( int q, cfd; deleted = false; - cfd = dup(fd); + cfd = fcntl(fd, F_DUPFD_CLOEXEC, 3); if (cfd < 0) { r = -errno; break; @@ -345,7 +347,7 @@ static int remove_marked_symlinks( r = q; } while (deleted); - close_nointr_nofail(fd); + safe_close(fd); return r; } @@ -368,17 +370,16 @@ static int find_symlinks_fd( d = fdopendir(fd); if (!d) { - close_nointr_nofail(fd); + safe_close(fd); return -errno; } for (;;) { - int k; struct dirent *de; - union dirent_storage buf; - k = readdir_r(d, &buf.de, &de); - if (k != 0) + errno = 0; + de = readdir(d); + if (!de && errno != 0) return -errno; if (!de) @@ -405,7 +406,7 @@ static int find_symlinks_fd( p = path_make_absolute(de->d_name, path); if (!p) { - close_nointr_nofail(nfd); + safe_close(nfd); return -ENOMEM; } @@ -451,7 +452,7 @@ static int find_symlinks_fd( if (path_is_absolute(name)) found_dest = path_equal(dest, name); else - found_dest = streq(path_get_file_name(dest), name); + found_dest = streq(basename(dest), name); if (found_path && found_dest) { _cleanup_free_ char *t = NULL; @@ -471,8 +472,6 @@ static int find_symlinks_fd( return 1; } } - - return r; } static int find_symlinks( @@ -558,7 +557,7 @@ int unit_file_mask( UnitFileScope scope, bool runtime, const char *root_dir, - char *files[], + char **files, bool force, UnitFileChange **changes, unsigned *n_changes) { @@ -577,7 +576,7 @@ int unit_file_mask( STRV_FOREACH(i, files) { _cleanup_free_ char *path = NULL; - if (!unit_name_is_valid(*i, true)) { + if (!unit_name_is_valid(*i, TEMPLATE_VALID)) { if (r == 0) r = -EINVAL; continue; @@ -627,7 +626,7 @@ int unit_file_unmask( UnitFileScope scope, bool runtime, const char *root_dir, - char *files[], + char **files, UnitFileChange **changes, unsigned *n_changes) { @@ -645,7 +644,7 @@ int unit_file_unmask( STRV_FOREACH(i, files) { char *path; - if (!unit_name_is_valid(*i, true)) { + if (!unit_name_is_valid(*i, TEMPLATE_VALID)) { if (r == 0) r = -EINVAL; continue; @@ -692,7 +691,7 @@ int unit_file_link( UnitFileScope scope, bool runtime, const char *root_dir, - char *files[], + char **files, bool force, UnitFileChange **changes, unsigned *n_changes) { @@ -705,7 +704,7 @@ int unit_file_link( assert(scope >= 0); assert(scope < _UNIT_FILE_SCOPE_MAX); - r = lookup_paths_init_from_scope(&paths, scope); + r = lookup_paths_init_from_scope(&paths, scope, root_dir); if (r < 0) return r; @@ -718,10 +717,10 @@ int unit_file_link( char *fn; struct stat st; - fn = path_get_file_name(*i); + fn = basename(*i); if (!path_is_absolute(*i) || - !unit_name_is_valid(fn, true)) { + !unit_name_is_valid(fn, TEMPLATE_VALID)) { if (r == 0) r = -EINVAL; continue; @@ -861,9 +860,9 @@ static int install_info_add( assert(name || path); if (!name) - name = path_get_file_name(path); + name = basename(path); - if (!unit_name_is_valid(name, true)) + if (!unit_name_is_valid(name, TEMPLATE_VALID)) return -EINVAL; if (hashmap_get(c->have_installed, name) || @@ -922,6 +921,7 @@ static int config_parse_also(const char *unit, const char *filename, unsigned line, const char *section, + unsigned section_line, const char *lvalue, int ltype, const char *rvalue, @@ -957,6 +957,7 @@ static int config_parse_user(const char *unit, const char *filename, unsigned line, const char *section, + unsigned section_line, const char *lvalue, int ltype, const char *rvalue, @@ -1010,7 +1011,7 @@ static int unit_file_load( f = fdopen(fd, "re"); if (!f) { - close_nointr_nofail(fd); + safe_close(fd); return -ENOMEM; } @@ -1020,9 +1021,9 @@ static int unit_file_load( return r; return - strv_length(info->aliases) + - strv_length(info->wanted_by) + - strv_length(info->required_by); + (int) strv_length(info->aliases) + + (int) strv_length(info->wanted_by) + + (int) strv_length(info->required_by); } static int unit_file_search( @@ -1039,67 +1040,64 @@ static int unit_file_search( assert(info); assert(paths); - if (info->path) - return unit_file_load(c, info, info->path, allow_symlink); + if (info->path) { + char *full_path = NULL; + + if (!isempty(root_dir)) + full_path = strappenda(root_dir, info->path); + + return unit_file_load(c, info, full_path ?: info->path, allow_symlink); + } assert(info->name); STRV_FOREACH(p, paths->unit_path) { - char *path = NULL; - - if (isempty(root_dir)) - asprintf(&path, "%s/%s", *p, info->name); - else - asprintf(&path, "%s/%s/%s", root_dir, *p, info->name); + _cleanup_free_ char *path = NULL, *full_path = NULL; + path = strjoin(*p, "/", info->name, NULL); if (!path) return -ENOMEM; - r = unit_file_load(c, info, path, allow_symlink); + if (!isempty(root_dir)) { + full_path = strappend(root_dir, path); + if (!full_path) + return -ENOMEM; + } - if (r >= 0) + r = unit_file_load(c, info, full_path ?: path, allow_symlink); + if (r >= 0) { info->path = path; - else { - if (r == -ENOENT && unit_name_is_instance(info->name)) { - /* Unit file doesn't exist, however instance enablement was requested. - * We will check if it is possible to load template unit file. */ - char *template = NULL, - *template_path = NULL, - *template_dir = NULL; - - template = unit_name_template(info->name); - if (!template) { - free(path); - return -ENOMEM; - } + path = NULL; + } else if (r == -ENOENT && unit_name_is_instance(info->name)) { + /* Unit file doesn't exist, however instance enablement was requested. + * We will check if it is possible to load template unit file. */ + _cleanup_free_ char *template = NULL, *template_dir = NULL; + + template = unit_name_template(info->name); + if (!template) + return -ENOMEM; - /* We will reuse path variable since we don't need it anymore. */ - template_dir = path; - *(strrchr(path, '/') + 1) = '\0'; + /* We will reuse path variable since we don't need it anymore. */ + template_dir = path; + *(strrchr(template_dir, '/') + 1) = '\0'; - template_path = strjoin(template_dir, template, NULL); - if (!template_path) { - free(path); - free(template); - return -ENOMEM; - } + path = strappend(template_dir, template); + if (!path) + return -ENOMEM; - /* Let's try to load template unit. */ - r = unit_file_load(c, info, template_path, allow_symlink); - if (r >= 0) { - info->path = strdup(template_path); - if (!info->path) { - free(path); - free(template); - free(template_path); - return -ENOMEM; - } - } + if (!isempty(root_dir)) { + free(full_path); + full_path = strappend(root_dir, path); + if (!full_path) + return -ENOMEM; + } - free(template); - free(template_path); + /* Let's try to load template unit. */ + r = unit_file_load(c, info, full_path ?: path, allow_symlink); + if (r >= 0) { + info->path = path; + path = NULL; } - free(path); } if (r != -ENOENT && r != -ELOOP) @@ -1132,9 +1130,9 @@ static int unit_file_can_install( if (r >= 0) r = - strv_length(i->aliases) + - strv_length(i->wanted_by) + - strv_length(i->required_by); + (int) strv_length(i->aliases) + + (int) strv_length(i->wanted_by) + + (int) strv_length(i->required_by); return r; } @@ -1172,7 +1170,9 @@ static int create_symlink( if (!force) return -EEXIST; - unlink(new_path); + r = unlink(new_path); + if (r < 0 && errno != ENOENT) + return -errno; if (symlink(old_path, new_path) >= 0) { add_file_change(changes, n_changes, UNIT_FILE_UNLINK, new_path, NULL); @@ -1235,7 +1235,7 @@ static int install_info_symlink_wants( if (q < 0) return q; - if (!unit_name_is_valid(dst, true)) { + if (!unit_name_is_valid(dst, TEMPLATE_VALID)) { r = -EINVAL; continue; } @@ -1272,7 +1272,7 @@ static int install_info_symlink_requires( if (q < 0) return q; - if (!unit_name_is_valid(dst, true)) { + if (!unit_name_is_valid(dst, TEMPLATE_VALID)) { r = -EINVAL; continue; } @@ -1427,7 +1427,7 @@ static int install_context_mark_for_removal( char *unit_file; if (i->path) { - unit_file = path_get_file_name(i->path); + unit_file = basename(i->path); if (unit_name_is_instance(unit_file)) /* unit file named as instance exists, thus all symlinks @@ -1462,7 +1462,7 @@ int unit_file_enable( UnitFileScope scope, bool runtime, const char *root_dir, - char *files[], + char **files, bool force, UnitFileChange **changes, unsigned *n_changes) { @@ -1476,7 +1476,7 @@ int unit_file_enable( assert(scope >= 0); assert(scope < _UNIT_FILE_SCOPE_MAX); - r = lookup_paths_init_from_scope(&paths, scope); + r = lookup_paths_init_from_scope(&paths, scope, root_dir); if (r < 0) return r; @@ -1494,15 +1494,15 @@ int unit_file_enable( supposed to be created, not the ones actually created. This is useful to determine whether the passed files had any installation data at all. */ - r = install_context_apply(&c, &paths, config_path, root_dir, force, changes, n_changes); - return r; + + return install_context_apply(&c, &paths, config_path, root_dir, force, changes, n_changes); } int unit_file_disable( UnitFileScope scope, bool runtime, const char *root_dir, - char *files[], + char **files, UnitFileChange **changes, unsigned *n_changes) { @@ -1516,7 +1516,7 @@ int unit_file_disable( assert(scope >= 0); assert(scope < _UNIT_FILE_SCOPE_MAX); - r = lookup_paths_init_from_scope(&paths, scope); + r = lookup_paths_init_from_scope(&paths, scope, root_dir); if (r < 0) return r; @@ -1543,7 +1543,7 @@ int unit_file_reenable( UnitFileScope scope, bool runtime, const char *root_dir, - char *files[], + char **files, bool force, UnitFileChange **changes, unsigned *n_changes) { @@ -1562,6 +1562,7 @@ int unit_file_set_default( UnitFileScope scope, const char *root_dir, const char *file, + bool force, UnitFileChange **changes, unsigned *n_changes) { @@ -1579,7 +1580,7 @@ int unit_file_set_default( if (unit_name_to_type(file) != UNIT_TARGET) return -EINVAL; - r = lookup_paths_init_from_scope(&paths, scope); + r = lookup_paths_init_from_scope(&paths, scope, root_dir); if (r < 0) return r; @@ -1599,7 +1600,7 @@ int unit_file_set_default( path = strappenda(config_path, "/" SPECIAL_DEFAULT_TARGET); - r = create_symlink(i->path, path, true, changes, n_changes); + r = create_symlink(i->path, path, force, changes, n_changes); if (r < 0) return r; @@ -1619,7 +1620,7 @@ int unit_file_get_default( assert(scope < _UNIT_FILE_SCOPE_MAX); assert(name); - r = lookup_paths_init_from_scope(&paths, scope); + r = lookup_paths_init_from_scope(&paths, scope, root_dir); if (r < 0) return r; @@ -1644,7 +1645,7 @@ int unit_file_get_default( else if (r < 0) return r; else - n = strdup(path_get_file_name(tmp)); + n = strdup(basename(tmp)); if (!n) return -ENOMEM; @@ -1674,15 +1675,16 @@ UnitFileState unit_file_get_state( if (root_dir && scope != UNIT_FILE_SYSTEM) return -EINVAL; - if (!unit_name_is_valid(name, true)) + if (!unit_name_is_valid(name, TEMPLATE_VALID)) return -EINVAL; - r = lookup_paths_init_from_scope(&paths, scope); + r = lookup_paths_init_from_scope(&paths, scope, root_dir); if (r < 0) return r; STRV_FOREACH(i, paths.unit_path) { struct stat st; + char *partial; free(path); path = NULL; @@ -1691,10 +1693,14 @@ UnitFileState unit_file_get_state( asprintf(&path, "%s/%s/%s", root_dir, *i, name); else asprintf(&path, "%s/%s", *i, name); - if (!path) return -ENOMEM; + if (root_dir) + partial = path + strlen(root_dir) + 1; + else + partial = path; + /* * Search for a unit file in our default paths, to * be sure, that there are no broken symlinks. @@ -1726,7 +1732,7 @@ UnitFileState unit_file_get_state( else if (r > 0) return state; - r = unit_file_can_install(&paths, root_dir, path, true); + r = unit_file_can_install(&paths, root_dir, partial, true); if (r < 0 && errno != ENOENT) return r; else if (r > 0) @@ -1819,7 +1825,7 @@ int unit_file_preset( UnitFileScope scope, bool runtime, const char *root_dir, - char *files[], + char **files, bool force, UnitFileChange **changes, unsigned *n_changes) { @@ -1834,7 +1840,7 @@ int unit_file_preset( assert(scope >= 0); assert(scope < _UNIT_FILE_SCOPE_MAX); - r = lookup_paths_init_from_scope(&paths, scope); + r = lookup_paths_init_from_scope(&paths, scope, root_dir); if (r < 0) return r; @@ -1844,7 +1850,7 @@ int unit_file_preset( STRV_FOREACH(i, files) { - if (!unit_name_is_valid(*i, true)) + if (!unit_name_is_valid(*i, TEMPLATE_VALID)) return -EINVAL; r = unit_file_query_preset(scope, *i); @@ -1904,7 +1910,7 @@ int unit_file_get_list( if (root_dir && scope != UNIT_FILE_SYSTEM) return -EINVAL; - r = lookup_paths_init_from_scope(&paths, scope); + r = lookup_paths_init_from_scope(&paths, scope, root_dir); if (r < 0) return r; @@ -1935,12 +1941,12 @@ int unit_file_get_list( for (;;) { struct dirent *de; - union dirent_storage buffer; _cleanup_unitfilelist_free_ UnitFileList *f = NULL; - r = readdir_r(d, &buffer.de, &de); - if (r != 0) - return -r; + errno = 0; + de = readdir(d); + if (!de && errno != 0) + return -errno; if (!de) break; @@ -1948,7 +1954,7 @@ int unit_file_get_list( if (ignore_file(de->d_name)) continue; - if (!unit_name_is_valid(de->d_name, true)) + if (!unit_name_is_valid(de->d_name, TEMPLATE_VALID)) continue; if (hashmap_get(h, de->d_name)) @@ -2004,7 +2010,7 @@ int unit_file_get_list( f->state = UNIT_FILE_STATIC; found: - r = hashmap_put(h, path_get_file_name(f->path), f); + r = hashmap_put(h, basename(f->path), f); if (r < 0) return r; f = NULL; /* prevent cleanup */