core/manager: remove infinite loop

[elogind.git] / src / machine / machinectl.c

diff --git a/src/machine/machinectl.c b/src/machine/machinectl.c
index 7feb7be3da69fb7f5f27052dd479901acd3eb996..7bb7086056a051e6d2dadce399753bd77111133d 100644 (file)
--- a/src/machine/machinectl.c
+++ b/src/machine/machinectl.c
@@ -84,8 +84,7 @@ static int list_machines(sd_bus *bus, char **args, unsigned n) {
                 return r;
         }
 
-        if (on_tty())
-                printf("%-32s %-9s %-16s\n", "MACHINE", "CONTAINER", "SERVICE");
+        printf("%-32s %-9s %-16s\n", "MACHINE", "CONTAINER", "SERVICE");
 
         r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssso)");
         if (r < 0)
@@ -103,8 +102,7 @@ static int list_machines(sd_bus *bus, char **args, unsigned n) {
         if (r < 0)
                 return bus_log_parse_error(r);
 
-        if (on_tty())
-                printf("\n%u machines listed.\n", k);
+        printf("\n%u machines listed.\n", k);
 
         return 0;
 }
@@ -228,7 +226,7 @@ static void print_machine_status_info(sd_bus *bus, MachineStatusInfo *i) {
 }
 
 static int show_info(const char *verb, sd_bus *bus, const char *path, bool *new_line) {
-        MachineStatusInfo info = {};
+
         static const struct bus_properties_map map[]  = {
                 { "Name",          "s",  NULL,          offsetof(MachineStatusInfo, name) },
                 { "Class",         "s",  NULL,          offsetof(MachineStatusInfo, class) },
@@ -240,6 +238,8 @@ static int show_info(const char *verb, sd_bus *bus, const char *path, bool *new_
                 { "Id",            "ay", bus_map_id128, offsetof(MachineStatusInfo, id) },
                 {}
         };
+
+        MachineStatusInfo info = {};
         int r;
 
         assert(path);
@@ -399,7 +399,6 @@ static int terminate_machine(sd_bus *bus, char **args, unsigned n) {
 
 static int openpt_in_namespace(pid_t pid, int flags) {
         _cleanup_close_ int nsfd = -1, rootfd = -1;
-        _cleanup_free_ char *ns = NULL, *root = NULL;
         _cleanup_close_pipe_ int sock[2] = { -1, -1 };
         union {
                 struct cmsghdr cmsghdr;
@@ -411,20 +410,17 @@ static int openpt_in_namespace(pid_t pid, int flags) {
         };
         struct cmsghdr *cmsg;
         int master = -1, r;
+        char *ns, *root;
         pid_t child;
         siginfo_t si;
 
-        r = asprintf(&ns, "/proc/%lu/ns/mnt", (unsigned long) pid);
-        if (r < 0)
-                return -ENOMEM;
+        ns = procfs_file_alloca(pid, "ns/mnt");
 
         nsfd = open(ns, O_RDONLY|O_NOCTTY|O_CLOEXEC);
         if (nsfd < 0)
                 return -errno;
 
-        r = asprintf(&root, "/proc/%lu/root", (unsigned long) pid);
-        if (r < 0)
-                return -ENOMEM;
+        root = procfs_file_alloca(pid, "root");
 
         rootfd = open(root, O_RDONLY|O_NOCTTY|O_CLOEXEC|O_DIRECTORY);
         if (rootfd < 0)
@@ -605,6 +601,8 @@ static int login_machine(sd_bus *bus, char **args, unsigned n) {
                 return r;
         }
 
+        container_bus = sd_bus_unref(container_bus);
+
         assert_se(sigemptyset(&mask) == 0);
         sigset_add_many(&mask, SIGWINCH, SIGTERM, SIGINT, -1);
         assert_se(sigprocmask(SIG_BLOCK, &mask, NULL) == 0);
@@ -641,11 +639,11 @@ static int help(void) {
                "  -s --signal=SIGNAL     Which signal to send\n\n"
                "Commands:\n"
                "  list                   List running VMs and containers\n"
-               "  status [NAME...]       Show VM/container status\n"
-               "  show [NAME...]         Show properties of one or more VMs/containers\n"
-               "  terminate [NAME...]    Terminate one or more VMs/containers\n"
-               "  kill [NAME...]         Send signal to processes of a VM/container\n"
-               "  login [NAME]           Get a login prompt on a container\n",
+               "  status NAME...         Show VM/container status\n"
+               "  show NAME...           Show properties of one or more VMs/containers\n"
+               "  terminate NAME...      Terminate one or more VMs/containers\n"
+               "  kill NAME...           Send signal to processes of a VM/container\n"
+               "  login NAME             Get a login prompt on a container\n",
                program_invocation_short_name);
 
         return 0;