chiark / gitweb /
dbus: make errors reported via D-Bus more useful
[elogind.git] / src / load-fragment.c
index ce468734a2329765accf879b758113046a8158d9..d474c9a88c9d529a2f9649a20c9a440d53589aa9 100644 (file)
 #include "securebits.h"
 #include "missing.h"
 #include "unit-name.h"
+#include "bus-errors.h"
 
 #define COMMENTS "#;\n"
-#define LINE_MAX 4096
-
-#define DEFINE_CONFIG_PARSE_ENUM(function,name,type,msg)                \
-        static int function(                                            \
-                        const char *filename,                           \
-                        unsigned line,                                  \
-                        const char *section,                            \
-                        const char *lvalue,                             \
-                        const char *rvalue,                             \
-                        void *data,                                     \
-                        void *userdata) {                               \
-                                                                        \
-                type *i = data, x;                                      \
-                                                                        \
-                assert(filename);                                       \
-                assert(lvalue);                                         \
-                assert(rvalue);                                         \
-                assert(data);                                           \
-                                                                        \
-                if ((x = name##_from_string(rvalue)) < 0) {             \
-                        log_error("[%s:%u] " msg ": %s", filename, line, rvalue); \
-                        return -EBADMSG;                                \
-                }                                                       \
-                                                                        \
-                *i = x;                                                 \
-                                                                        \
-                return 0;                                               \
-        }
 
 static int config_parse_deps(
                 const char *filename,
@@ -89,7 +62,7 @@ static int config_parse_deps(
         assert(lvalue);
         assert(rvalue);
 
-        FOREACH_WORD(w, l, rvalue, state) {
+        FOREACH_WORD_QUOTED(w, l, rvalue, state) {
                 char *t, *k;
                 int r;
 
@@ -131,7 +104,7 @@ static int config_parse_names(
         assert(rvalue);
         assert(data);
 
-        FOREACH_WORD(w, l, rvalue, state) {
+        FOREACH_WORD_QUOTED(w, l, rvalue, state) {
                 char *t, *k;
                 int r;
 
@@ -392,73 +365,94 @@ 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, write_to_path;
 
-        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;
+                honour_argv0 = rvalue[0] == '@';
+
+                if (rvalue[honour_argv0 ? 1 : 0] != '/') {
+                        log_error("[%s:%u] Invalid executable path in command line: %s", filename, line, rvalue);
+                        return -EINVAL;
                 }
-        }
 
-        n[k] = NULL;
+                k = 0;
+                FOREACH_WORD_QUOTED(w, l, rvalue, state) {
+                        if (strncmp(w, ";", l) == 0)
+                                break;
 
-        if (!n[0]) {
-                log_error("[%s:%u] Invalid command line: %s", filename, line, rvalue);
-                strv_free(n);
-                return -EINVAL;
-        }
+                        k++;
+                }
 
-        if (!path)
-                if (!(path = strdup(n[0])))
-                        goto fail;
+                if (!(n = new(char*, k + (honour_argv0 ? 0 : 1))))
+                        return -ENOMEM;
+
+                k = 0;
+                write_to_path = honour_argv0;
+                FOREACH_WORD_QUOTED(w, l, rvalue, state) {
+                        if (strncmp(w, ";", l) == 0)
+                                break;
+
+                        if (write_to_path) {
+                                if (!(path = cunescape_length(w+1, l-1)))
+                                        goto fail;
+                                write_to_path = false;
+                        } else {
+                                if (!(n[k++] = cunescape_length(w, l)))
+                                        goto fail;
+                        }
+                }
 
-        assert(path_is_absolute(path));
+                n[k] = NULL;
 
-        if (!(nce = new0(ExecCommand, 1)))
-                goto fail;
+                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;
 
-        nce->argv = n;
-        nce->path = path;
+                assert(path_is_absolute(path));
 
-        path_kill_slashes(nce->path);
+                if (!(nce = new0(ExecCommand, 1)))
+                        goto fail;
+
+                nce->argv = n;
+                nce->path = path;
 
-        exec_command_append_list(e, nce);
+                path_kill_slashes(nce->path);
+
+                exec_command_append_list(e, nce);
+
+                rvalue = state;
+        }
 
         return 0;
 
@@ -496,8 +490,8 @@ static int config_parse_usec(
         return 0;
 }
 
-DEFINE_CONFIG_PARSE_ENUM(config_parse_service_type, service_type, ServiceType, "Failed to parse service type");
-DEFINE_CONFIG_PARSE_ENUM(config_parse_service_restart, service_restart, ServiceRestart, "Failed to parse service restart specifier");
+static DEFINE_CONFIG_PARSE_ENUM(config_parse_service_type, service_type, ServiceType, "Failed to parse service type");
+static DEFINE_CONFIG_PARSE_ENUM(config_parse_service_restart, service_restart, ServiceRestart, "Failed to parse service restart specifier");
 
 static int config_parse_bindtodevice(
                 const char *filename,
@@ -528,8 +522,8 @@ static int config_parse_bindtodevice(
         return 0;
 }
 
-DEFINE_CONFIG_PARSE_ENUM(config_parse_output, exec_output, ExecOutput, "Failed to parse output specifier");
-DEFINE_CONFIG_PARSE_ENUM(config_parse_input, exec_input, ExecInput, "Failed to parse input specifier");
+static DEFINE_CONFIG_PARSE_ENUM(config_parse_output, exec_output, ExecOutput, "Failed to parse output specifier");
+static DEFINE_CONFIG_PARSE_ENUM(config_parse_input, exec_input, ExecInput, "Failed to parse input specifier");
 
 static int config_parse_facility(
                 const char *filename,
@@ -717,7 +711,7 @@ static int config_parse_cpu_affinity(
         assert(rvalue);
         assert(data);
 
-        FOREACH_WORD(w, l, rvalue, state) {
+        FOREACH_WORD_QUOTED(w, l, rvalue, state) {
                 char *t;
                 int r;
                 unsigned cpu;
@@ -728,16 +722,18 @@ static int config_parse_cpu_affinity(
                 r = safe_atou(t, &cpu);
                 free(t);
 
-                if (r < 0 || cpu >= CPU_SETSIZE) {
+                if (!(c->cpuset))
+                        if (!(c->cpuset = cpu_set_malloc(&c->cpuset_ncpus)))
+                                return -ENOMEM;
+
+                if (r < 0 || cpu >= c->cpuset_ncpus) {
                         log_error("[%s:%u] Failed to parse CPU affinity: %s", filename, line, rvalue);
                         return -EBADMSG;
                 }
 
-                CPU_SET(cpu, &c->cpu_affinity);
+                CPU_SET_S(cpu, CPU_ALLOC_SIZE(c->cpuset_ncpus), c->cpuset);
         }
 
-        c->cpu_affinity_set = true;
-
         return 0;
 }
 
@@ -792,7 +788,7 @@ static int config_parse_secure_bits(
         assert(rvalue);
         assert(data);
 
-        FOREACH_WORD(w, l, rvalue, state) {
+        FOREACH_WORD_QUOTED(w, l, rvalue, state) {
                 if (first_word(w, "keep-caps"))
                         c->secure_bits |= SECURE_KEEP_CAPS;
                 else if (first_word(w, "keep-caps-locked"))
@@ -833,7 +829,7 @@ static int config_parse_bounding_set(
         assert(rvalue);
         assert(data);
 
-        FOREACH_WORD(w, l, rvalue, state) {
+        FOREACH_WORD_QUOTED(w, l, rvalue, state) {
                 char *t;
                 int r;
                 cap_value_t cap;
@@ -855,7 +851,7 @@ static int config_parse_bounding_set(
         return 0;
 }
 
-static int config_parse_timer_slack_ns(
+static int config_parse_timer_slack_nsec(
                 const char *filename,
                 unsigned line,
                 const char *section,
@@ -878,7 +874,7 @@ static int config_parse_timer_slack_ns(
                 return r;
         }
 
-        c->timer_slack_ns = u;
+        c->timer_slack_nsec = u;
 
         return 0;
 }
@@ -928,11 +924,11 @@ static int config_parse_cgroup(
         size_t l;
         char *state;
 
-        FOREACH_WORD(w, l, rvalue, state) {
+        FOREACH_WORD_QUOTED(w, l, rvalue, state) {
                 char *t;
                 int r;
 
-                if (!(t = strndup(w, l)))
+                if (!(t = cunescape_length(w, l)))
                         return -ENOMEM;
 
                 r = unit_add_cgroup_from_text(u, t);
@@ -971,7 +967,7 @@ static int config_parse_sysv_priority(
         return 0;
 }
 
-DEFINE_CONFIG_PARSE_ENUM(config_parse_kill_mode, kill_mode, KillMode, "Failed to parse kill mode");
+static DEFINE_CONFIG_PARSE_ENUM(config_parse_kill_mode, kill_mode, KillMode, "Failed to parse kill mode");
 
 static int config_parse_mount_flags(
                 const char *filename,
@@ -993,7 +989,7 @@ static int config_parse_mount_flags(
         assert(rvalue);
         assert(data);
 
-        FOREACH_WORD(w, l, rvalue, state) {
+        FOREACH_WORD_QUOTED(w, l, rvalue, state) {
                 if (strncmp(w, "shared", l) == 0)
                         flags |= MS_SHARED;
                 else if (strncmp(w, "slave", l) == 0)
@@ -1062,14 +1058,23 @@ 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;
         }
 
@@ -1133,14 +1138,23 @@ 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;
         }
 
@@ -1232,7 +1246,7 @@ static int config_parse_ip_tos(
         return 0;
 }
 
-DEFINE_CONFIG_PARSE_ENUM(config_parse_notify_access, notify_access, NotifyAccess, "Failed to parse notify access specifier");
+static DEFINE_CONFIG_PARSE_ENUM(config_parse_notify_access, notify_access, NotifyAccess, "Failed to parse notify access specifier");
 
 #define FOLLOW_MAX 8
 
@@ -1371,7 +1385,7 @@ static void dump_items(FILE *f, const ConfigItem *items) {
                 { config_parse_capabilities,     "CAPABILITIES" },
                 { config_parse_secure_bits,      "SECUREBITS" },
                 { config_parse_bounding_set,     "BOUNDINGSET" },
-                { config_parse_timer_slack_ns,   "TIMERSLACK" },
+                { config_parse_timer_slack_nsec, "TIMERSLACK" },
                 { config_parse_limit,            "LIMIT" },
                 { config_parse_cgroup,           "CGROUP [...]" },
                 { config_parse_deps,             "UNIT [...]" },
@@ -1462,11 +1476,11 @@ static int load_from_path(Unit *u, const char *path) {
                 { "SyslogIdentifier",       config_parse_string_printf,   &(context).syslog_identifier,                    section   }, \
                 { "SyslogFacility",         config_parse_facility,        &(context).syslog_priority,                      section   }, \
                 { "SyslogLevel",            config_parse_level,           &(context).syslog_priority,                      section   }, \
-                { "SyslogNoPrefix",         config_parse_bool,            &(context).syslog_no_prefix,                     section   }, \
+                { "SyslogLevelPrefix",      config_parse_bool,            &(context).syslog_level_prefix,                  section   }, \
                 { "Capabilities",           config_parse_capabilities,    &(context),                                      section   }, \
                 { "SecureBits",             config_parse_secure_bits,     &(context),                                      section   }, \
                 { "CapabilityBoundingSetDrop", config_parse_bounding_set, &(context),                                      section   }, \
-                { "TimerSlackNS",           config_parse_timer_slack_ns,  &(context),                                      section   }, \
+                { "TimerSlackNSec",         config_parse_timer_slack_nsec,&(context),                                      section   }, \
                 { "LimitCPU",               config_parse_limit,           &(context).rlimit[RLIMIT_CPU],                   section   }, \
                 { "LimitFSIZE",             config_parse_limit,           &(context).rlimit[RLIMIT_FSIZE],                 section   }, \
                 { "LimitDATA",              config_parse_limit,           &(context).rlimit[RLIMIT_DATA],                  section   }, \
@@ -1506,6 +1520,7 @@ static int load_from_path(Unit *u, const char *path) {
                 { "RecursiveStop",          config_parse_bool,            &u->meta.recursive_stop,                         "Unit"    },
                 { "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"    },
 
                 { "PIDFile",                config_parse_path,            &u->service.pid_file,                            "Service" },
                 { "ExecStartPre",           config_parse_exec,            u->service.exec_command+SERVICE_EXEC_START_PRE,  "Service" },
@@ -1562,18 +1577,20 @@ static int load_from_path(Unit *u, const char *path) {
                 { "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"),
 
                 { "Where",                  config_parse_path,            &u->automount.where,                             "Automount" },
+                { "DirectoryMode",          config_parse_mode,            &u->automount.directory_mode,                    "Automount" },
 
                 { "What",                   config_parse_path,            &u->swap.parameters_fragment.what,               "Swap"    },
                 { "Priority",               config_parse_int,             &u->swap.parameters_fragment.priority,           "Swap"    },
 
-                { "OnActive",               config_parse_timer,           &u->timer,                                       "Timer"   },
-                { "OnBoot",                 config_parse_timer,           &u->timer,                                       "Timer"   },
-                { "OnStartup",              config_parse_timer,           &u->timer,                                       "Timer"   },
-                { "OnUnitActive",           config_parse_timer,           &u->timer,                                       "Timer"   },
-                { "OnUnitInactive",         config_parse_timer,           &u->timer,                                       "Timer"   },
+                { "OnActiveSec",            config_parse_timer,           &u->timer,                                       "Timer"   },
+                { "OnBootSec",              config_parse_timer,           &u->timer,                                       "Timer"   },
+                { "OnStartupSec",           config_parse_timer,           &u->timer,                                       "Timer"   },
+                { "OnUnitActiveSec",        config_parse_timer,           &u->timer,                                       "Timer"   },
+                { "OnUnitInactiveSec",      config_parse_timer,           &u->timer,                                       "Timer"   },
                 { "Unit",                   config_parse_timer_unit,      &u->timer,                                       "Timer"   },
 
                 { "PathExists",             config_parse_path_spec,       &u->path,                                        "Path"    },