chiark / gitweb /
main: acquire console before execing crash shell
[elogind.git] / load-fragment.c
index 03205f14b4c52e1291648a4a80abeb72322667ae..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"
@@ -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) \
@@ -1149,11 +1218,16 @@ 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,                                               "Unit"    },
-                { "Description",            config_parse_string,          &u->meta.description,                            "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"    },
@@ -1213,6 +1287,9 @@ static int load_from_path(Unit *u, const char *path) {
 
                 { "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 }
         };