X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fshared%2Finstall.c;h=9ce94035b92096e316a051e5c66dae32827427cd;hb=ead349509e325aad720bb0349521a9e56e2ac7c0;hp=07e06c425f87eed678711ea8f7d76ebc3a370ed8;hpb=6c5a28255bea4385289149b4617c86a24eec519f;p=elogind.git diff --git a/src/shared/install.c b/src/shared/install.c index 07e06c425..9ce94035b 100644 --- a/src/shared/install.c +++ b/src/shared/install.c @@ -38,16 +38,14 @@ #include "conf-files.h" #include "specifier.h" #include "install-printf.h" +#include "special.h" typedef struct { Hashmap *will_install; Hashmap *have_installed; } InstallContext; -#define _cleanup_lookup_paths_free_ \ - __attribute__((cleanup(lookup_paths_free))) -#define _cleanup_install_context_done_ \ - __attribute__((cleanup(install_context_done))) +#define _cleanup_install_context_done_ _cleanup_(install_context_done) static int lookup_paths_init_from_scope(LookupPaths *paths, UnitFileScope scope) { assert(paths); @@ -206,7 +204,7 @@ static int remove_marked_symlinks_fd( d = fdopendir(fd); if (!d) { - close_nointr_nofail(fd); + safe_close(fd); return -errno; } @@ -214,11 +212,10 @@ 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; } @@ -247,7 +244,7 @@ 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; } @@ -278,10 +275,10 @@ 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) { @@ -335,7 +332,7 @@ 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; @@ -347,7 +344,7 @@ static int remove_marked_symlinks( r = q; } while (deleted); - close_nointr_nofail(fd); + safe_close(fd); return r; } @@ -370,17 +367,16 @@ 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) @@ -407,7 +403,7 @@ static int find_symlinks_fd( p = path_make_absolute(de->d_name, path); if (!p) { - close_nointr_nofail(nfd); + safe_close(nfd); return -ENOMEM; } @@ -453,7 +449,7 @@ 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; @@ -473,8 +469,6 @@ static int find_symlinks_fd( return 1; } } - - return r; } static int find_symlinks( @@ -560,7 +554,7 @@ int unit_file_mask( UnitFileScope scope, bool runtime, const char *root_dir, - char *files[], + char **files, bool force, UnitFileChange **changes, unsigned *n_changes) { @@ -579,7 +573,7 @@ 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; @@ -629,7 +623,7 @@ int unit_file_unmask( UnitFileScope scope, bool runtime, const char *root_dir, - char *files[], + char **files, UnitFileChange **changes, unsigned *n_changes) { @@ -647,7 +641,7 @@ 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; @@ -694,7 +688,7 @@ int unit_file_link( UnitFileScope scope, bool runtime, const char *root_dir, - char *files[], + char **files, bool force, UnitFileChange **changes, unsigned *n_changes) { @@ -720,10 +714,10 @@ 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; @@ -863,9 +857,9 @@ 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) || @@ -924,6 +918,7 @@ 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, @@ -959,6 +954,7 @@ 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, @@ -967,14 +963,15 @@ static int config_parse_user(const char *unit, InstallInfo *i = data; char* printed; + int r; assert(filename); assert(lvalue); assert(rvalue); - printed = install_full_printf(i, rvalue); - if (!printed) - return -ENOMEM; + r = install_full_printf(i, rvalue, &printed); + if (r < 0) + return r; free(i->user); i->user = printed; @@ -1011,7 +1008,7 @@ static int unit_file_load( f = fdopen(fd, "re"); if (!f) { - close_nointr_nofail(fd); + safe_close(fd); return -ENOMEM; } @@ -1021,9 +1018,9 @@ 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( @@ -1133,9 +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; } @@ -1173,7 +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); @@ -1200,9 +1199,9 @@ static int install_info_symlink_alias( STRV_FOREACH(s, i->aliases) { _cleanup_free_ char *alias_path = NULL, *dst = NULL; - dst = install_full_printf(i, *s); - if (!dst) - return -ENOMEM; + q = install_full_printf(i, *s, &dst); + if (q < 0) + return q; alias_path = path_make_absolute(dst, config_path); if (!alias_path) @@ -1232,11 +1231,11 @@ static int install_info_symlink_wants( STRV_FOREACH(s, i->wanted_by) { _cleanup_free_ char *path = NULL, *dst = NULL; - dst = install_full_printf(i, *s); - if (!dst) - return -ENOMEM; + q = install_full_printf(i, *s, &dst); + if (q < 0) + return q; - if (!unit_name_is_valid(dst, true)) { + if (!unit_name_is_valid(dst, TEMPLATE_VALID)) { r = -EINVAL; continue; } @@ -1269,11 +1268,11 @@ static int install_info_symlink_requires( STRV_FOREACH(s, i->required_by) { _cleanup_free_ char *path = NULL, *dst = NULL; - dst = install_full_printf(i, *s); - if (!dst) - return -ENOMEM; + q = install_full_printf(i, *s, &dst); + if (q < 0) + return q; - if (!unit_name_is_valid(dst, true)) { + if (!unit_name_is_valid(dst, TEMPLATE_VALID)) { r = -EINVAL; continue; } @@ -1428,7 +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 @@ -1463,7 +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) { @@ -1495,15 +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) { @@ -1544,7 +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) { @@ -1562,7 +1561,8 @@ int unit_file_reenable( int unit_file_set_default( UnitFileScope scope, const char *root_dir, - char *file, + const char *file, + bool force, UnitFileChange **changes, unsigned *n_changes) { @@ -1575,6 +1575,7 @@ int unit_file_set_default( assert(scope >= 0); assert(scope < _UNIT_FILE_SCOPE_MAX); + assert(file); if (unit_name_to_type(file) != UNIT_TARGET) return -EINVAL; @@ -1591,14 +1592,15 @@ int unit_file_set_default( if (r < 0) return r; - i = (InstallInfo*)hashmap_first(c.will_install); + assert_se(i = hashmap_first(c.will_install)); r = unit_file_search(&c, i, &paths, root_dir, false); if (r < 0) return r; - path = strappenda(config_path, "/default.target"); - r = create_symlink(i->path, path, true, changes, n_changes); + path = strappenda(config_path, "/" SPECIAL_DEFAULT_TARGET); + + r = create_symlink(i->path, path, force, changes, n_changes); if (r < 0) return r; @@ -1614,17 +1616,22 @@ int unit_file_get_default( char **p; int r; + assert(scope >= 0); + assert(scope < _UNIT_FILE_SCOPE_MAX); + assert(name); + r = lookup_paths_init_from_scope(&paths, scope); if (r < 0) return r; STRV_FOREACH(p, paths.unit_path) { _cleanup_free_ char *path = NULL, *tmp = NULL; + char *n; if (isempty(root_dir)) - path = strappend(*p, "/default.target"); + path = strappend(*p, "/" SPECIAL_DEFAULT_TARGET); else - path = strjoin(root_dir, "/", *p, "/default.target", NULL); + path = strjoin(root_dir, "/", *p, "/" SPECIAL_DEFAULT_TARGET, NULL); if (!path) return -ENOMEM; @@ -1632,13 +1639,18 @@ int unit_file_get_default( r = readlink_malloc(path, &tmp); if (r == -ENOENT) continue; + else if (r == -EINVAL) + /* not a symlink */ + n = strdup(SPECIAL_DEFAULT_TARGET); else if (r < 0) return r; + else + n = strdup(basename(tmp)); - *name = strdup(path_get_file_name(tmp)); - if (!*name) + if (!n) return -ENOMEM; + *name = n; return 0; } @@ -1663,7 +1675,7 @@ 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); @@ -1808,7 +1820,7 @@ int unit_file_preset( UnitFileScope scope, bool runtime, const char *root_dir, - char *files[], + char **files, bool force, UnitFileChange **changes, unsigned *n_changes) { @@ -1833,7 +1845,7 @@ 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); @@ -1873,6 +1885,7 @@ static void unitfilelist_free(UnitFileList **f) { free((*f)->path); free(*f); } +#define _cleanup_unitfilelist_free_ _cleanup_(unitfilelist_free) int unit_file_get_list( UnitFileScope scope, @@ -1923,13 +1936,12 @@ int unit_file_get_list( for (;;) { struct dirent *de; - union dirent_storage buffer; - UnitFileList __attribute__((cleanup(unitfilelist_free))) - *f = NULL; + _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; @@ -1937,7 +1949,7 @@ 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)) @@ -1993,7 +2005,7 @@ 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 */