X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fload-fragment.c;h=8e4ec74b0735b98e55ee2bcd1ee665298fa2a673;hp=43b8093fa02e782dad11d983a7c9115440585ab5;hb=3b6fdb5b5afebc49a7e987e3e3bf7aa2615d1671;hpb=f60f22dfbb8cfa0eb55d1896db0e4c3f7d3cfacb diff --git a/src/load-fragment.c b/src/load-fragment.c index 43b8093fa..8e4ec74b0 100644 --- a/src/load-fragment.c +++ b/src/load-fragment.c @@ -39,6 +39,7 @@ #include "securebits.h" #include "missing.h" #include "unit-name.h" +#include "bus-errors.h" #define COMMENTS "#;\n" @@ -364,73 +365,102 @@ static int config_parse_exec( void *data, void *userdata) { - ExecCommand **e = data, *nce = NULL; - char **n; - char *w; + ExecCommand **e = data, *nce; + char *path, **n; unsigned k; - size_t l; - char *state, *path = NULL; - bool honour_argv0, write_to_path; assert(filename); assert(lvalue); assert(rvalue); - assert(data); + assert(e); /* We accept an absolute path as first argument, or * alternatively an absolute prefixed with @ to allow * overriding of argv[0]. */ - honour_argv0 = rvalue[0] == '@'; + for (;;) { + char *w; + size_t l; + char *state; + bool honour_argv0 = false, ignore = false; - if (rvalue[honour_argv0 ? 1 : 0] != '/') { - log_error("[%s:%u] Invalid executable path in command line: %s", filename, line, rvalue); - return -EINVAL; - } + path = NULL; + nce = NULL; + n = NULL; - k = 0; - FOREACH_WORD_QUOTED(w, l, rvalue, state) - k++; + rvalue += strspn(rvalue, WHITESPACE); - if (!(n = new(char*, k + (honour_argv0 ? 0 : 1)))) - return -ENOMEM; + if (rvalue[0] == 0) + break; - k = 0; - write_to_path = honour_argv0; - FOREACH_WORD_QUOTED(w, l, rvalue, state) { - if (write_to_path) { - if (!(path = strndup(w+1, l-1))) - goto fail; - write_to_path = false; - } else { - if (!(n[k++] = strndup(w, l))) - goto fail; + if (rvalue[0] == '-') { + ignore = true; + rvalue ++; } - } - n[k] = NULL; + if (rvalue[0] == '@') { + honour_argv0 = true; + rvalue ++; + } - if (!n[0]) { - log_error("[%s:%u] Invalid command line: %s", filename, line, rvalue); - strv_free(n); - return -EINVAL; - } + if (*rvalue != '/') { + log_error("[%s:%u] Invalid executable path in command line: %s", filename, line, rvalue); + return -EINVAL; + } - if (!path) - if (!(path = strdup(n[0]))) - goto fail; + k = 0; + FOREACH_WORD_QUOTED(w, l, rvalue, state) { + if (strncmp(w, ";", l) == 0) + break; + + k++; + } + + if (!(n = new(char*, k + !honour_argv0))) + return -ENOMEM; + + k = 0; + FOREACH_WORD_QUOTED(w, l, rvalue, state) { + if (strncmp(w, ";", l) == 0) + break; + + if (honour_argv0 && w == rvalue) { + assert(!path); + if (!(path = cunescape_length(w, l))) + goto fail; + } else { + if (!(n[k++] = cunescape_length(w, l))) + goto fail; + } + } + + n[k] = NULL; + + if (!n[0]) { + log_error("[%s:%u] Invalid command line: %s", filename, line, rvalue); + strv_free(n); + return -EINVAL; + } + + if (!path) + if (!(path = strdup(n[0]))) + goto fail; + + assert(path_is_absolute(path)); - assert(path_is_absolute(path)); + if (!(nce = new0(ExecCommand, 1))) + goto fail; - if (!(nce = new0(ExecCommand, 1))) - goto fail; + nce->argv = n; + nce->path = path; + nce->ignore = ignore; - nce->argv = n; - nce->path = path; + path_kill_slashes(nce->path); - path_kill_slashes(nce->path); + exec_command_append_list(e, nce); - exec_command_append_list(e, nce); + rvalue = state; + } return 0; @@ -947,6 +977,36 @@ static int config_parse_sysv_priority( static DEFINE_CONFIG_PARSE_ENUM(config_parse_kill_mode, kill_mode, KillMode, "Failed to parse kill mode"); +static int config_parse_kill_signal( + const char *filename, + unsigned line, + const char *section, + const char *lvalue, + const char *rvalue, + void *data, + void *userdata) { + + int *sig = data; + int r; + + assert(filename); + assert(lvalue); + assert(rvalue); + assert(sig); + + if ((r = signal_from_string(rvalue)) <= 0) + if (startswith(rvalue, "SIG")) + r = signal_from_string(rvalue+3); + + if (r <= 0) { + log_error("[%s:%u] Failed to parse kill signal: %s", filename, line, rvalue); + return -EINVAL; + } + + *sig = r; + return 0; +} + static int config_parse_mount_flags( const char *filename, unsigned line, @@ -1036,14 +1096,23 @@ static int config_parse_timer_unit( Timer *t = data; int r; + DBusError error; + + assert(filename); + assert(lvalue); + assert(rvalue); + assert(data); + + dbus_error_init(&error); if (endswith(rvalue, ".timer")) { log_error("[%s:%u] Unit cannot be of type timer: %s", filename, line, rvalue); return -EINVAL; } - if ((r = manager_load_unit(t->meta.manager, rvalue, NULL, &t->unit)) < 0) { - log_error("[%s:%u] Failed to load unit: %s", filename, line, rvalue); + if ((r = manager_load_unit(t->meta.manager, rvalue, NULL, NULL, &t->unit)) < 0) { + log_error("[%s:%u] Failed to load unit %s: %s", filename, line, rvalue, bus_error(&error, r)); + dbus_error_free(&error); return r; } @@ -1107,14 +1176,23 @@ static int config_parse_path_unit( Path *t = data; int r; + DBusError error; + + assert(filename); + assert(lvalue); + assert(rvalue); + assert(data); + + dbus_error_init(&error); if (endswith(rvalue, ".path")) { log_error("[%s:%u] Unit cannot be of type path: %s", filename, line, rvalue); return -EINVAL; } - if ((r = manager_load_unit(t->meta.manager, rvalue, NULL, &t->unit)) < 0) { - log_error("[%s:%u] Failed to load unit: %s", filename, line, rvalue); + if ((r = manager_load_unit(t->meta.manager, rvalue, NULL, &error, &t->unit)) < 0) { + log_error("[%s:%u] Failed to load unit %s: %s", filename, line, rvalue, bus_error(&error, r)); + dbus_error_free(&error); return r; } @@ -1355,6 +1433,7 @@ static void dump_items(FILE *f, const ConfigItem *items) { { config_parse_service_restart, "SERVICERESTART" }, { config_parse_sysv_priority, "SYSVPRIORITY" }, { config_parse_kill_mode, "KILLMODE" }, + { config_parse_kill_signal, "SIGNAL" }, { config_parse_listen, "SOCKET [...]" }, { config_parse_socket_bind, "SOCKETBIND" }, { config_parse_bindtodevice, "NETWORKINTERFACE" }, @@ -1464,7 +1543,9 @@ static int load_from_path(Unit *u, const char *path) { { "PrivateTmp", config_parse_bool, &(context).private_tmp, section }, \ { "MountFlags", config_parse_mount_flags, &(context), section }, \ { "TCPWrapName", config_parse_string_printf, &(context).tcpwrap_name, section }, \ - { "PAMName", config_parse_string_printf, &(context).pam_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 } const ConfigItem items[] = { { "Names", config_parse_names, u, "Unit" }, @@ -1481,6 +1562,7 @@ static int load_from_path(Unit *u, const char *path) { { "StopWhenUnneeded", config_parse_bool, &u->meta.stop_when_unneeded, "Unit" }, { "OnlyByDependency", config_parse_bool, &u->meta.only_by_dependency, "Unit" }, { "DefaultDependencies", config_parse_bool, &u->meta.default_dependencies, "Unit" }, + { "IgnoreDependencyFailure",config_parse_bool, &u->meta.ignore_dependency_failure, "Unit" }, { "PIDFile", config_parse_path, &u->service.pid_file, "Service" }, { "ExecStartPre", config_parse_exec, u->service.exec_command+SERVICE_EXEC_START_PRE, "Service" }, @@ -1497,7 +1579,6 @@ static int load_from_path(Unit *u, const char *path) { { "RootDirectoryStartOnly", config_parse_bool, &u->service.root_directory_start_only, "Service" }, { "ValidNoProcess", config_parse_bool, &u->service.valid_no_process, "Service" }, { "SysVStartPriority", config_parse_sysv_priority, &u->service.sysv_start_priority, "Service" }, - { "KillMode", config_parse_kill_mode, &u->service.kill_mode, "Service" }, { "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" }, @@ -1517,7 +1598,6 @@ static int load_from_path(Unit *u, const char *path) { { "TimeoutSec", config_parse_usec, &u->socket.timeout_usec, "Socket" }, { "DirectoryMode", config_parse_mode, &u->socket.directory_mode, "Socket" }, { "SocketMode", config_parse_mode, &u->socket.socket_mode, "Socket" }, - { "KillMode", config_parse_kill_mode, &u->socket.kill_mode, "Socket" }, { "Accept", config_parse_bool, &u->socket.accept, "Socket" }, { "MaxConnections", config_parse_unsigned, &u->socket.max_connections, "Socket" }, { "KeepAlive", config_parse_bool, &u->socket.keep_alive, "Socket" }, @@ -1536,7 +1616,6 @@ static int load_from_path(Unit *u, const char *path) { { "Options", config_parse_string, &u->mount.parameters_fragment.options, "Mount" }, { "Type", config_parse_string, &u->mount.parameters_fragment.fstype, "Mount" }, { "TimeoutSec", config_parse_usec, &u->mount.timeout_usec, "Mount" }, - { "KillMode", config_parse_kill_mode, &u->mount.kill_mode, "Mount" }, { "DirectoryMode", config_parse_mode, &u->mount.directory_mode, "Mount" }, EXEC_CONTEXT_CONFIG_ITEMS(u->mount.exec_context, "Mount"), @@ -1620,7 +1699,13 @@ static int load_from_path(Unit *u, const char *path) { goto finish; } - if ((r = open_follow(&filename, &f, symlink_names, &id)) < 0) { + if (u->meta.manager->unit_path_cache && + !set_get(u->meta.manager->unit_path_cache, filename)) + r = -ENOENT; + else + r = open_follow(&filename, &f, symlink_names, &id); + + if (r < 0) { char *sn; free(filename);