chiark / gitweb /
main: acquire console before execing crash shell
[elogind.git] / load-fragment.c
index 5093c6dea96859000a21cede1527ec98e3326fa0..deebba3e82f34bb11c0c1aec85048e48c8200fb5 100644 (file)
@@ -27,6 +27,8 @@
 #include <fcntl.h>
 #include <sched.h>
 #include <sys/prctl.h>
+#include <sys/mount.h>
+#include <linux/fs.h>
 
 #include "unit.h"
 #include "strv.h"
@@ -97,7 +99,7 @@ static int config_parse_deps(
                 if (!k)
                         return -ENOMEM;
 
-                r = unit_add_dependency_by_name(u, d, k, NULL);
+                r = unit_add_dependency_by_name(u, d, k, NULL, true);
                 free(k);
 
                 if (r < 0)
@@ -149,6 +151,38 @@ static int config_parse_names(
         return 0;
 }
 
+static int config_parse_description(
+                const char *filename,
+                unsigned line,
+                const char *section,
+                const char *lvalue,
+                const char *rvalue,
+                void *data,
+                void *userdata) {
+
+        Unit *u = userdata;
+        char *k;
+
+        assert(filename);
+        assert(lvalue);
+        assert(rvalue);
+        assert(data);
+
+        if (!(k = unit_full_printf(u, rvalue)))
+                return -ENOMEM;
+
+        free(u->meta.description);
+
+        if (*k)
+                u->meta.description = k;
+        else {
+                free(k);
+                u->meta.description = NULL;
+        }
+
+        return 0;
+}
+
 static int config_parse_listen(
                 const char *filename,
                 unsigned line,
@@ -410,7 +444,6 @@ static int config_parse_usec(
                 void *userdata) {
 
         usec_t *usec = data;
-        unsigned long long u;
         int r;
 
         assert(filename);
@@ -418,17 +451,11 @@ static int config_parse_usec(
         assert(rvalue);
         assert(data);
 
-        if ((r = safe_atollu(rvalue, &u)) < 0) {
+        if ((r = parse_usec(rvalue, usec)) < 0) {
                 log_error("[%s:%u] Failed to parse time value: %s", filename, line, rvalue);
                 return r;
         }
 
-        /* We actually assume the user configures seconds. Later on we
-         * might choose to support suffixes for time values, to
-         * configure bigger or smaller units */
-
-        *usec = u * USEC_PER_SEC;
-
         return 0;
 }
 
@@ -909,6 +936,43 @@ static int config_parse_sysv_priority(
 
 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,
+                unsigned line,
+                const char *section,
+                const char *lvalue,
+                const char *rvalue,
+                void *data,
+                void *userdata) {
+
+        ExecContext *c = data;
+        char *w;
+        size_t l;
+        char *state;
+        unsigned long flags = 0;
+
+        assert(filename);
+        assert(lvalue);
+        assert(rvalue);
+        assert(data);
+
+        FOREACH_WORD(w, l, rvalue, state) {
+                if (strncmp(w, "shared", l) == 0)
+                        flags |= MS_SHARED;
+                else if (strncmp(w, "slave", l) == 0)
+                        flags |= MS_SLAVE;
+                else if (strncmp(w, "private", l) == 0)
+                        flags |= MS_PRIVATE;
+                else {
+                        log_error("[%s:%u] Failed to parse mount flags: %s", filename, line, rvalue);
+                        return -EINVAL;
+                }
+        }
+
+        c->mount_flags = flags;
+        return 0;
+}
+
 #define FOLLOW_MAX 8
 
 static int open_follow(char **filename, FILE **_f, Set *names, char **_final) {
@@ -1063,7 +1127,11 @@ static void dump_items(FILE *f, const ConfigItem *items) {
                 { config_parse_kill_mode,        "KILLMODE" },
                 { config_parse_listen,           "SOCKET [...]" },
                 { config_parse_socket_bind,      "SOCKETBIND" },
-                { config_parse_bindtodevice,     "NETWORKINTERFACE" }
+                { config_parse_bindtodevice,     "NETWORKINTERFACE" },
+                { config_parse_usec,             "SECONDS" },
+                { config_parse_path_strv,        "PATH [...]" },
+                { config_parse_mount_flags,      "MOUNTFLAG [...]" },
+                { config_parse_description,      "DESCRIPTION" },
         };
 
         assert(f);
@@ -1103,7 +1171,8 @@ static int load_from_path(Unit *u, const char *path) {
                 [UNIT_DEVICE]    = "Device",
                 [UNIT_MOUNT]     = "Mount",
                 [UNIT_AUTOMOUNT] = "Automount",
-                [UNIT_SNAPSHOT]  = "Snapshot"
+                [UNIT_SNAPSHOT]  = "Snapshot",
+                [UNIT_SWAP]      = "Swap"
         };
 
 #define EXEC_CONTEXT_CONFIG_ITEMS(context, section) \
@@ -1149,21 +1218,26 @@ static int load_from_path(Unit *u, const char *path) {
                 { "LimitNICE",              config_parse_limit,           &(context).rlimit[RLIMIT_NICE],                  section   }, \
                 { "LimitRTPRIO",            config_parse_limit,           &(context).rlimit[RLIMIT_RTPRIO],                section   }, \
                 { "LimitRTTIME",            config_parse_limit,           &(context).rlimit[RLIMIT_RTTIME],                section   }, \
-                { "ControlGroup",           config_parse_cgroup,          u,                                               section   }
+                { "ControlGroup",           config_parse_cgroup,          u,                                               section   }, \
+                { "ReadWriteDirectories",   config_parse_path_strv,       &(context).read_write_dirs,                      section   }, \
+                { "ReadOnlyDirectories",    config_parse_path_strv,       &(context).read_only_dirs,                       section   }, \
+                { "InaccessibleDirectories",config_parse_path_strv,       &(context).inaccessible_dirs,                    section   }, \
+                { "PrivateTmp",             config_parse_bool,            &(context).private_tmp,                          section   }, \
+                { "MountFlags",             config_parse_mount_flags,     &(context),                                      section   }
 
         const ConfigItem items[] = {
-                { "Names",                  config_parse_names,           u,                                               "Meta"    },
-                { "Description",            config_parse_string,          &u->meta.description,                            "Meta"    },
-                { "Requires",               config_parse_deps,            UINT_TO_PTR(UNIT_REQUIRES),                      "Meta"    },
-                { "RequiresOverridable",    config_parse_deps,            UINT_TO_PTR(UNIT_REQUIRES_OVERRIDABLE),          "Meta"    },
-                { "Requisite",              config_parse_deps,            UINT_TO_PTR(UNIT_REQUISITE),                     "Meta"    },
-                { "RequisiteOverridable",   config_parse_deps,            UINT_TO_PTR(UNIT_REQUISITE_OVERRIDABLE),         "Meta"    },
-                { "Wants",                  config_parse_deps,            UINT_TO_PTR(UNIT_WANTS),                         "Meta"    },
-                { "Conflicts",              config_parse_deps,            UINT_TO_PTR(UNIT_CONFLICTS),                     "Meta"    },
-                { "Before",                 config_parse_deps,            UINT_TO_PTR(UNIT_BEFORE),                        "Meta"    },
-                { "After",                  config_parse_deps,            UINT_TO_PTR(UNIT_AFTER),                         "Meta"    },
-                { "RecursiveStop",          config_parse_bool,            &u->meta.recursive_stop,                         "Meta"    },
-                { "StopWhenUnneeded",       config_parse_bool,            &u->meta.stop_when_unneeded,                     "Meta"    },
+                { "Names",                  config_parse_names,           u,                                               "Unit"    },
+                { "Description",            config_parse_description,     u,                                               "Unit"    },
+                { "Requires",               config_parse_deps,            UINT_TO_PTR(UNIT_REQUIRES),                      "Unit"    },
+                { "RequiresOverridable",    config_parse_deps,            UINT_TO_PTR(UNIT_REQUIRES_OVERRIDABLE),          "Unit"    },
+                { "Requisite",              config_parse_deps,            UINT_TO_PTR(UNIT_REQUISITE),                     "Unit"    },
+                { "RequisiteOverridable",   config_parse_deps,            UINT_TO_PTR(UNIT_REQUISITE_OVERRIDABLE),         "Unit"    },
+                { "Wants",                  config_parse_deps,            UINT_TO_PTR(UNIT_WANTS),                         "Unit"    },
+                { "Conflicts",              config_parse_deps,            UINT_TO_PTR(UNIT_CONFLICTS),                     "Unit"    },
+                { "Before",                 config_parse_deps,            UINT_TO_PTR(UNIT_BEFORE),                        "Unit"    },
+                { "After",                  config_parse_deps,            UINT_TO_PTR(UNIT_AFTER),                         "Unit"    },
+                { "RecursiveStop",          config_parse_bool,            &u->meta.recursive_stop,                         "Unit"    },
+                { "StopWhenUnneeded",       config_parse_bool,            &u->meta.stop_when_unneeded,                     "Unit"    },
 
                 { "PIDFile",                config_parse_path,            &u->service.pid_file,                            "Service" },
                 { "ExecStartPre",           config_parse_exec,            u->service.exec_command+SERVICE_EXEC_START_PRE,  "Service" },
@@ -1182,6 +1256,7 @@ static int load_from_path(Unit *u, const char *path) {
                 { "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,          &u->service.bus_name,                            "Service" },
                 EXEC_CONTEXT_CONFIG_ITEMS(u->service.exec_context, "Service"),
 
                 { "ListenStream",           config_parse_listen,          &u->socket,                                      "Socket"  },
@@ -1199,6 +1274,7 @@ static int load_from_path(Unit *u, const char *path) {
                 { "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"  },
                 EXEC_CONTEXT_CONFIG_ITEMS(u->socket.exec_context, "Socket"),
 
                 { "What",                   config_parse_string,          &u->mount.parameters_fragment.what,              "Mount"   },
@@ -1209,6 +1285,11 @@ static int load_from_path(Unit *u, const char *path) {
                 { "KillMode",               config_parse_kill_mode,       &u->mount.kill_mode,                             "Mount"   },
                 EXEC_CONTEXT_CONFIG_ITEMS(u->mount.exec_context, "Mount"),
 
+                { "Where",                  config_parse_path,            &u->automount.where,                             "Automount" },
+
+                { "What",                   config_parse_path,            &u->swap.parameters_fragment.what,               "Swap" },
+                { "Priority",               config_parse_int,             &u->swap.parameters_fragment.priority,           "Swap" },
+
                 { NULL, NULL, NULL, NULL }
         };
 
@@ -1231,7 +1312,7 @@ static int load_from_path(Unit *u, const char *path) {
         assert(u);
         assert(path);
 
-        sections[0] = "Meta";
+        sections[0] = "Unit";
         sections[1] = section_table[u->meta.type];
         sections[2] = NULL;