diff options
author | Sven Eden <yamakuzure@gmx.net> | 2017-04-06 14:56:03 +0200 |
---|---|---|
committer | Sven Eden <yamakuzure@gmx.net> | 2017-04-26 12:59:13 +0200 |
commit | da4b83e77bc603745cf4a365d7f013301ef7fa89 (patch) | |
tree | 293d9508eeb1f841c71b0b0517287fd398aded82 /src/login/logind-user.c | |
parent | eaca07ccfdf5d7dabc50afc7e539c2413dd69d3e (diff) |
Prep v228: Add remaining updates from upstream (3/3)
Apply remaining fixes and the performed move of utility functions
into their own foo-util.[hc] files on the rest of elogind.
Diffstat (limited to 'src/login/logind-user.c')
-rw-r--r-- | src/login/logind-user.c | 285 |
1 files changed, 132 insertions, 153 deletions
diff --git a/src/login/logind-user.c b/src/login/logind-user.c index 27f737000..ecc61080a 100644 --- a/src/login/logind-user.c +++ b/src/login/logind-user.c @@ -19,64 +19,94 @@ along with systemd; If not, see <http://www.gnu.org/licenses/>. ***/ -#include <sys/mount.h> +#include <errno.h> #include <string.h> +#include <sys/mount.h> #include <unistd.h> -#include <errno.h> -#include "util.h" -#include "mkdir.h" -#include "rm-rf.h" -#include "hashmap.h" -#include "fileio.h" -#include "path-util.h" -// #include "special.h" -#include "unit-name.h" -#include "bus-util.h" +#include "alloc-util.h" +#include "bus-common-errors.h" #include "bus-error.h" -#include "conf-parser.h" +#include "bus-util.h" #include "clean-ipc.h" -#include "smack-util.h" +#include "conf-parser.h" +#include "escape.h" +#include "fd-util.h" +#include "fileio.h" #include "formats-util.h" +#include "fs-util.h" +#include "hashmap.h" #include "label.h" #include "logind-user.h" +#include "mkdir.h" +#include "mount-util.h" +#include "parse-util.h" +#include "path-util.h" +#include "rm-rf.h" +#include "smack-util.h" +//#include "special.h" +#include "stdio-util.h" +#include "string-table.h" +#include "unit-name.h" +#include "user-util.h" +#include "util.h" -User* user_new(Manager *m, uid_t uid, gid_t gid, const char *name) { - User *u; +int user_new(User **out, Manager *m, uid_t uid, gid_t gid, const char *name) { + _cleanup_(user_freep) User *u = NULL; + char lu[DECIMAL_STR_MAX(uid_t) + 1]; + int r; + assert(out); assert(m); assert(name); u = new0(User, 1); if (!u) - return NULL; + return -ENOMEM; + + u->manager = m; + u->uid = uid; + u->gid = gid; + xsprintf(lu, UID_FMT, uid); u->name = strdup(name); if (!u->name) - goto fail; + return -ENOMEM; if (asprintf(&u->state_file, "/run/systemd/users/"UID_FMT, uid) < 0) - goto fail; + return -ENOMEM; - if (hashmap_put(m->users, UID_TO_PTR(uid), u) < 0) - goto fail; + if (asprintf(&u->runtime_path, "/run/user/"UID_FMT, uid) < 0) + return -ENOMEM; - u->manager = m; - u->uid = uid; - u->gid = gid; + r = slice_build_subslice("user.slice", lu, &u->slice); + if (r < 0) + return r; - return u; + r = unit_name_build("user", lu, ".service", &u->service); + if (r < 0) + return r; -fail: - free(u->state_file); - free(u->name); - free(u); + r = hashmap_put(m->users, UID_TO_PTR(uid), u); + if (r < 0) + return r; + + r = hashmap_put(m->user_units, u->slice, u); + if (r < 0) + return r; + + r = hashmap_put(m->user_units, u->service, u); + if (r < 0) + return r; - return NULL; + *out = u; + u = NULL; + return 0; } -void user_free(User *u) { - assert(u); +User *user_free(User *u) { + if (!u) + return NULL; if (u->in_gc_queue) LIST_REMOVE(gc_queue, u->manager->user_gc_queue, u); @@ -84,29 +114,26 @@ void user_free(User *u) { while (u->sessions) session_free(u->sessions); - if (u->slice) { - hashmap_remove(u->manager->user_units, u->slice); - free(u->slice); - } + if (u->service) + hashmap_remove_value(u->manager->user_units, u->service, u); - if (u->service) { - hashmap_remove(u->manager->user_units, u->service); - free(u->service); - } + if (u->slice) + hashmap_remove_value(u->manager->user_units, u->slice, u); + + hashmap_remove_value(u->manager->users, UID_TO_PTR(u->uid), u); -/// elogind does not support slice and service jobs +/// elogind neither supports slice nor service jobs. #if 0 - free(u->slice_job); - free(u->service_job); + u->slice_job = mfree(u->slice_job); + u->service_job = mfree(u->service_job); #endif // 0 + u->service = mfree(u->service); + u->slice = mfree(u->slice); + u->runtime_path = mfree(u->runtime_path); + u->state_file = mfree(u->state_file); + u->name = mfree(u->name); - free(u->runtime_path); - - hashmap_remove(u->manager->users, UID_TO_PTR(u->uid)); - - free(u->name); - free(u->state_file); - free(u); + return mfree(u); } static int user_save_internal(User *u) { @@ -134,21 +161,15 @@ static int user_save_internal(User *u) { u->name, user_state_to_string(user_get_state(u))); + /* LEGACY: no-one reads RUNTIME= anymore, drop it at some point */ if (u->runtime_path) fprintf(f, "RUNTIME=%s\n", u->runtime_path); - if (u->service) - fprintf(f, "SERVICE=%s\n", u->service); -/// elogind does not support service jobs +/// elogind neither supports service nor slice jobs #if 0 if (u->service_job) fprintf(f, "SERVICE_JOB=%s\n", u->service_job); -#endif // 0 - if (u->slice) - fprintf(f, "SLICE=%s\n", u->slice); -/// elogind does not support slice jobs -#if 0 if (u->slice_job) fprintf(f, "SLICE_JOB=%s\n", u->slice_job); #endif // 0 @@ -287,15 +308,9 @@ int user_load(User *u) { assert(u); r = parse_env_file(u->state_file, NEWLINE, - "RUNTIME", &u->runtime_path, - "SERVICE", &u->service, -/// elogind does not support service jobs +/// elogind neither supports service nor slice jobs #if 0 "SERVICE_JOB", &u->service_job, -#endif // 0 - "SLICE", &u->slice, -/// elogind does not support slice jobs -#if 0 "SLICE_JOB", &u->slice_job, #endif // 0 "DISPLAY", &display, @@ -332,7 +347,6 @@ int user_load(User *u) { } static int user_mkdir_runtime_path(User *u) { - char *p; int r; assert(u); @@ -341,16 +355,10 @@ static int user_mkdir_runtime_path(User *u) { if (r < 0) return log_error_errno(r, "Failed to create /run/user: %m"); - if (!u->runtime_path) { - if (asprintf(&p, "/run/user/" UID_FMT, u->uid) < 0) - return log_oom(); - } else - p = u->runtime_path; - - if (path_is_mount_point(p, 0) <= 0) { + if (path_is_mount_point(u->runtime_path, 0) <= 0) { _cleanup_free_ char *t = NULL; - (void) mkdir_label(p, 0700); + (void) mkdir_label(u->runtime_path, 0700); if (mac_smack_use()) r = asprintf(&t, "mode=0700,smackfsroot=*,uid=" UID_FMT ",gid=" GID_FMT ",size=%zu", u->uid, u->gid, u->manager->runtime_dir_size); @@ -361,10 +369,10 @@ static int user_mkdir_runtime_path(User *u) { goto fail; } - r = mount("tmpfs", p, "tmpfs", MS_NODEV|MS_NOSUID, t); + r = mount("tmpfs", u->runtime_path, "tmpfs", MS_NODEV|MS_NOSUID, t); if (r < 0) { if (errno != EPERM) { - r = log_error_errno(errno, "Failed to mount per-user tmpfs directory %s: %m", p); + r = log_error_errno(errno, "Failed to mount per-user tmpfs directory %s: %m", u->runtime_path); goto fail; } @@ -372,106 +380,91 @@ static int user_mkdir_runtime_path(User *u) { * CAP_SYS_ADMIN-less container? In this case, * just use a normal directory. */ - r = chmod_and_chown(p, 0700, u->uid, u->gid); + r = chmod_and_chown(u->runtime_path, 0700, u->uid, u->gid); if (r < 0) { log_error_errno(r, "Failed to change runtime directory ownership and mode: %m"); goto fail; } } - r = label_fix(p, false, false); + r = label_fix(u->runtime_path, false, false); if (r < 0) - log_warning_errno(r, "Failed to fix label of '%s', ignoring: %m", p); + log_warning_errno(r, "Failed to fix label of '%s', ignoring: %m", u->runtime_path); } - u->runtime_path = p; return 0; fail: - if (p) { /* Try to clean up, but ignore errors */ - (void) rmdir(p); - free(p); - } - - u->runtime_path = NULL; + (void) rmdir(u->runtime_path); return r; } static int user_start_slice(User *u) { - // char *job; +/// elogind can not ask systemd via dbus to start user services +#if 0 + _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; + const char *description; + char *job; int r; assert(u); - if (!u->slice) { - _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; - char lu[DECIMAL_STR_MAX(uid_t) + 1], *slice; - sprintf(lu, UID_FMT, u->uid); - - r = slice_build_subslice("user.slice", lu, &slice); - if (r < 0) - return r; - -/// elogind : Do not try to use dbus to ask systemd -#if 0 - r = manager_start_unit(u->manager, slice, &error, &job); + u->slice_job = mfree(u->slice_job); + description = strjoina("User Slice of ", u->name); + + r = manager_start_slice( + u->manager, + u->slice, + description, + "systemd-logind.service", + "systemd-user-sessions.service", + u->manager->user_tasks_max, + &error, + &job); if (r < 0) { - log_error("Failed to start user slice: %s", bus_error_message(&error, r)); - free(slice); + /* we don't fail due to this, let's try to continue */ + if (!sd_bus_error_has_name(&error, BUS_ERROR_UNIT_EXISTS)) + log_error_errno(r, "Failed to start user slice %s, ignoring: %s (%s)", u->slice, bus_error_message(&error, r), error.name); } else { -#endif // 0 - u->slice = slice; - -/// elogind does not support slice jobs -#if 0 - free(u->slice_job); u->slice_job = job; } -#endif // 0 - } +#else + assert(u); - if (u->slice) - hashmap_put(u->manager->user_units, u->slice, u); + hashmap_put(u->manager->user_units, u->slice, u); +#endif // 0 return 0; } static int user_start_service(User *u) { +/// elogind can not ask systemd via dbus to start user services +#if 0 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; - // char *job; + char *job; int r; assert(u); - if (!u->service) { - char lu[DECIMAL_STR_MAX(uid_t) + 1], *service; - sprintf(lu, UID_FMT, u->uid); - - r = unit_name_build("user", lu, ".service", &service); - if (r < 0) - return log_error_errno(r, "Failed to build service name: %m"); + u->service_job = mfree(u->service_job); -/// elogind : Do not try to use dbus to ask systemd -#if 0 - r = manager_start_unit(u->manager, service, &error, &job); -#endif // 0 + r = manager_start_unit( + u->manager, + u->service, + &error, + &job); if (r < 0) { - log_error("Failed to start user service: %s", bus_error_message(&error, r)); - free(service); + /* we don't fail due to this, let's try to continue */ + log_error_errno(r, "Failed to start user service, ignoring: %s", bus_error_message(&error, r)); } else { - u->service = service; - -/// elogind does not support service jobs -#if 0 - free(u->service_job); u->service_job = job; -#endif // 0 - } } +#else + assert(u); - if (u->service) - hashmap_put(u->manager->user_units, u->service, u); + hashmap_put(u->manager->user_units, u->service, u); +#endif // 0 return 0; } @@ -541,14 +534,11 @@ int user_start(User *u) { #if 0 static int user_stop_slice(User *u) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; - // char *job; - int r = 0; + char *job; + int r; assert(u); - if (!u->slice) - return 0; - r = manager_stop_unit(u->manager, u->slice, &error, &job); if (r < 0) { log_error("Failed to stop user slice: %s", bus_error_message(&error, r)); @@ -563,14 +553,11 @@ static int user_stop_slice(User *u) { static int user_stop_service(User *u) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; - // char *job; - int r = 0; + char *job; + int r; assert(u); - if (!u->service) - return 0; - r = manager_stop_unit(u->manager, u->service, &error, &job); if (r < 0) { log_error("Failed to stop user service: %s", bus_error_message(&error, r)); @@ -589,9 +576,6 @@ static int user_remove_runtime_path(User *u) { assert(u); - if (!u->runtime_path) - return 0; - r = rm_rf(u->runtime_path, 0); if (r < 0) log_error_errno(r, "Failed to remove runtime directory %s: %m", u->runtime_path); @@ -607,8 +591,6 @@ static int user_remove_runtime_path(User *u) { if (r < 0) log_error_errno(r, "Failed to remove runtime directory %s: %m", u->runtime_path); - u->runtime_path = mfree(u->runtime_path); - return r; } @@ -748,7 +730,7 @@ bool user_check_gc(User *u, bool drop_not_started) { if (user_check_linger_file(u) > 0) return true; -/// elogind does not support systemd services and slices +/// elogind neither supports service nor slice jobs #if 0 if (u->slice_job && manager_job_is_active(u->manager, u->slice_job)) return true; @@ -778,7 +760,7 @@ UserState user_get_state(User *u) { if (u->stopping) return USER_CLOSING; -/// elogind does not support slice and service jobs +/// elogind neither supports service nor slice jobs. #if 0 if (!u->started || u->slice_job || u->service_job) #else @@ -813,9 +795,6 @@ int user_kill(User *u, int signo) { #if 0 assert(u); - if (!u->slice) - return -ESRCH; - return manager_kill_unit(u->manager, u->slice, KILL_ALL, signo, NULL); #else Session *s; |