X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fload-fragment.c;h=2b5c8e70dd29bf60699f3a5719b9c6653655a426;hp=636de8d1036f7461a99b84a65e025c805b0c71fd;hb=52661efd21608dc7e0ac26b714a9254ed6180ddb;hpb=dd6c17b1595ff8a78ebae6cf571fd222c80bfd17 diff --git a/src/load-fragment.c b/src/load-fragment.c index 636de8d10..2b5c8e70d 100644 --- a/src/load-fragment.c +++ b/src/load-fragment.c @@ -42,7 +42,20 @@ #include "unit-name.h" #include "bus-errors.h" -#define COMMENTS "#;\n" +#ifndef HAVE_SYSV_COMPAT +static int config_parse_warn_compat( + const char *filename, + unsigned line, + const char *section, + const char *lvalue, + const char *rvalue, + void *data, + void *userdata) { + + log_debug("[%s:%u] Support for option %s= has been disabled at compile time and is ignored", filename, line, lvalue); + return 0; +} +#endif static int config_parse_deps( const char *filename, @@ -961,6 +974,7 @@ static int config_parse_cgroup( return 0; } +#ifdef HAVE_SYSV_COMPAT static int config_parse_sysv_priority( const char *filename, unsigned line, @@ -986,6 +1000,7 @@ static int config_parse_sysv_priority( *priority = (int) i; return 0; } +#endif static DEFINE_CONFIG_PARSE_ENUM(config_parse_kill_mode, kill_mode, KillMode, "Failed to parse kill mode"); @@ -1211,6 +1226,94 @@ static int config_parse_path_unit( return 0; } +static int config_parse_socket_service( + const char *filename, + unsigned line, + const char *section, + const char *lvalue, + const char *rvalue, + void *data, + void *userdata) { + + Socket *s = data; + int r; + DBusError error; + + assert(filename); + assert(lvalue); + assert(rvalue); + assert(data); + + dbus_error_init(&error); + + if (!endswith(rvalue, ".service")) { + log_error("[%s:%u] Unit must be of type service, ignoring: %s", filename, line, rvalue); + return 0; + } + + if ((r = manager_load_unit(s->meta.manager, rvalue, NULL, &error, (Unit**) &s->service)) < 0) { + log_error("[%s:%u] Failed to load unit %s, ignoring: %s", filename, line, rvalue, bus_error(&error, r)); + dbus_error_free(&error); + return 0; + } + + return 0; +} + +static int config_parse_service_sockets( + const char *filename, + unsigned line, + const char *section, + const char *lvalue, + const char *rvalue, + void *data, + void *userdata) { + + Service *s = data; + int r; + DBusError error; + char *state, *w; + size_t l; + + assert(filename); + assert(lvalue); + assert(rvalue); + assert(data); + + dbus_error_init(&error); + + FOREACH_WORD_QUOTED(w, l, rvalue, state) { + char *t; + Unit *sock; + + if (!(t = strndup(w, l))) + return -ENOMEM; + + if (!endswith(t, ".socket")) { + log_error("[%s:%u] Unit must be of type socket, ignoring: %s", filename, line, rvalue); + free(t); + continue; + } + + r = manager_load_unit(s->meta.manager, t, NULL, &error, &sock); + free(t); + + if (r < 0) { + log_error("[%s:%u] Failed to load unit %s, ignoring: %s", filename, line, rvalue, bus_error(&error, r)); + dbus_error_free(&error); + continue; + } + + if ((r = set_ensure_allocated(&s->configured_sockets, trivial_hash_func, trivial_compare_func)) < 0) + return r; + + if ((r = set_put(s->configured_sockets, sock)) < 0) + return r; + } + + return 0; +} + static int config_parse_env_file( const char *filename, unsigned line, @@ -1297,6 +1400,67 @@ static int config_parse_ip_tos( return 0; } +static int config_parse_condition_path( + const char *filename, + unsigned line, + const char *section, + const char *lvalue, + const char *rvalue, + void *data, + void *userdata) { + + Unit *u = data; + bool negate; + Condition *c; + + assert(filename); + assert(lvalue); + assert(rvalue); + assert(data); + + if ((negate = rvalue[0] == '!')) + rvalue++; + + if (!path_is_absolute(rvalue)) { + log_error("[%s:%u] Path in condition not absolute: %s", filename, line, rvalue); + return 0; + } + + if (!(c = condition_new(CONDITION_PATH_EXISTS, rvalue, negate))) + return -ENOMEM; + + LIST_PREPEND(Condition, conditions, u->meta.conditions, c); + return 0; +} + +static int config_parse_condition_kernel( + const char *filename, + unsigned line, + const char *section, + const char *lvalue, + const char *rvalue, + void *data, + void *userdata) { + + Unit *u = data; + bool negate; + Condition *c; + + assert(filename); + assert(lvalue); + assert(rvalue); + assert(data); + + if ((negate = rvalue[0] == '!')) + rvalue++; + + if (!(c = condition_new(CONDITION_KERNEL_COMMAND_LINE, rvalue, negate))) + return -ENOMEM; + + LIST_PREPEND(Condition, conditions, u->meta.conditions, c); + return 0; +} + static DEFINE_CONFIG_PARSE_ENUM(config_parse_notify_access, notify_access, NotifyAccess, "Failed to parse notify access specifier"); #define FOLLOW_MAX 8 @@ -1328,7 +1492,7 @@ static int open_follow(char **filename, FILE **_f, Set *names, char **_final) { * unit name. */ name = file_name_from_path(*filename); - if (unit_name_is_valid(name)) { + if (unit_name_is_valid(name, false)) { if (!(id = set_get(names, name))) { if (!(id = strdup(name))) @@ -1448,7 +1612,11 @@ static void dump_items(FILE *f, const ConfigItem *items) { { config_parse_exec, "PATH [ARGUMENT [...]]" }, { config_parse_service_type, "SERVICETYPE" }, { config_parse_service_restart, "SERVICERESTART" }, +#ifdef HAVE_SYSV_COMPAT { config_parse_sysv_priority, "SYSVPRIORITY" }, +#else + { config_parse_warn_compat, "NOTSUPPORTED" }, +#endif { config_parse_kill_mode, "KILLMODE" }, { config_parse_kill_signal, "SIGNAL" }, { config_parse_listen, "SOCKET [...]" }, @@ -1464,6 +1632,8 @@ static void dump_items(FILE *f, const ConfigItem *items) { { config_parse_path_unit, "UNIT" }, { config_parse_notify_access, "ACCESS" }, { config_parse_ip_tos, "TOS" }, + { config_parse_condition_path, "CONDITION" }, + { config_parse_condition_kernel, "CONDITION" }, }; assert(f); @@ -1562,7 +1732,8 @@ static int load_from_path(Unit *u, const char *path) { { "TCPWrapName", config_parse_string_printf, &(context).tcpwrap_name, section }, \ { "PAMName", config_parse_string_printf, &(context).pam_name, section }, \ { "KillMode", config_parse_kill_mode, &(context).kill_mode, section }, \ - { "KillSignal", config_parse_kill_signal, &(context).kill_signal, section } + { "KillSignal", config_parse_kill_signal, &(context).kill_signal, section }, \ + { "UtmpIdentifier", config_parse_string_printf, &(context).utmp_id, section } const ConfigItem items[] = { { "Names", config_parse_names, u, "Unit" }, @@ -1584,6 +1755,8 @@ static int load_from_path(Unit *u, const char *path) { { "DefaultDependencies", config_parse_bool, &u->meta.default_dependencies, "Unit" }, { "IgnoreDependencyFailure",config_parse_bool, &u->meta.ignore_dependency_failure, "Unit" }, { "JobTimeoutSec", config_parse_usec, &u->meta.job_timeout, "Unit" }, + { "ConditionPathExists", config_parse_condition_path, u, "Unit" }, + { "ConditionKernelCommandLine", config_parse_condition_kernel, u, "Unit" }, { "PIDFile", config_parse_path, &u->service.pid_file, "Service" }, { "ExecStartPre", config_parse_exec, u->service.exec_command+SERVICE_EXEC_START_PRE, "Service" }, @@ -1599,10 +1772,15 @@ static int load_from_path(Unit *u, const char *path) { { "PermissionsStartOnly", config_parse_bool, &u->service.permissions_start_only, "Service" }, { "RootDirectoryStartOnly", config_parse_bool, &u->service.root_directory_start_only, "Service" }, { "RemainAfterExit", config_parse_bool, &u->service.remain_after_exit, "Service" }, +#ifdef HAVE_SYSV_COMPAT { "SysVStartPriority", config_parse_sysv_priority, &u->service.sysv_start_priority, "Service" }, +#else + { "SysVStartPriority", config_parse_warn_compat, NULL, "Service" }, +#endif { "NonBlocking", config_parse_bool, &u->service.exec_context.non_blocking, "Service" }, { "BusName", config_parse_string_printf, &u->service.bus_name, "Service" }, { "NotifyAccess", config_parse_notify_access, &u->service.notify_access, "Service" }, + { "Sockets", config_parse_service_sockets, &u->service, "Service" }, EXEC_CONTEXT_CONFIG_ITEMS(u->service.exec_context, "Service"), { "ListenStream", config_parse_listen, &u->socket, "Socket" }, @@ -1631,6 +1809,7 @@ static int load_from_path(Unit *u, const char *path) { { "PipeSize", config_parse_size, &u->socket.pipe_size, "Socket" }, { "FreeBind", config_parse_bool, &u->socket.free_bind, "Socket" }, { "TCPCongestion", config_parse_string, &u->socket.tcp_congestion, "Socket" }, + { "Service", config_parse_socket_service, &u->socket, "Socket" }, EXEC_CONTEXT_CONFIG_ITEMS(u->socket.exec_context, "Socket"), { "What", config_parse_string, &u->mount.parameters_fragment.what, "Mount" }, @@ -1770,9 +1949,15 @@ static int load_from_path(Unit *u, const char *path) { goto finish; } - /* Now, parse the file contents */ - if ((r = config_parse(filename, f, sections, items, false, u)) < 0) - goto finish; + if (null_or_empty(&st)) + u->meta.load_state = UNIT_MASKED; + else { + /* Now, parse the file contents */ + if ((r = config_parse(filename, f, sections, items, false, u)) < 0) + goto finish; + + u->meta.load_state = UNIT_LOADED; + } free(u->meta.fragment_path); u->meta.fragment_path = filename; @@ -1780,7 +1965,6 @@ static int load_from_path(Unit *u, const char *path) { u->meta.fragment_mtime = timespec_load(&st.st_mtim); - u->meta.load_state = UNIT_LOADED; r = 0; finish: @@ -1823,10 +2007,20 @@ int unit_load_fragment(Unit *u) { } /* And now, try looking for it under the suggested (originally linked) path */ - if (u->meta.load_state == UNIT_STUB && u->meta.fragment_path) + if (u->meta.load_state == UNIT_STUB && u->meta.fragment_path) { + if ((r = load_from_path(u, u->meta.fragment_path)) < 0) return r; + if (u->meta.load_state == UNIT_STUB) { + /* Hmm, this didn't work? Then let's get rid + * of the fragment path stored for us, so that + * we don't point to an invalid location. */ + free(u->meta.fragment_path); + u->meta.fragment_path = NULL; + } + } + /* Look for a template */ if (u->meta.load_state == UNIT_STUB && u->meta.instance) { char *k;