***/
#include <sys/prctl.h>
-#include <sys/vfs.h>
#include "sd-bus.h"
#include "util.h"
#include "mkdir.h"
#include "def.h"
#include "missing.h"
+#include "machine-pool.h"
+#include "path-util.h"
#include "import-util.h"
typedef struct Transfer Transfer;
typedef struct Manager Manager;
typedef enum TransferType {
- TRANSFER_TAR,
- TRANSFER_RAW,
- TRANSFER_DKR,
+ TRANSFER_IMPORT_TAR,
+ TRANSFER_IMPORT_RAW,
+ TRANSFER_PULL_TAR,
+ TRANSFER_PULL_RAW,
+ TRANSFER_PULL_DKR,
_TRANSFER_TYPE_MAX,
_TRANSFER_TYPE_INVALID = -1,
} TransferType;
char *remote;
char *local;
bool force_local;
+ bool read_only;
char *dkr_index_url;
unsigned n_canceled;
unsigned progress_percent;
+
+ int stdin_fd;
};
struct Manager {
#define TRANSFERS_MAX 64
static const char* const transfer_type_table[_TRANSFER_TYPE_MAX] = {
- [TRANSFER_TAR] = "tar",
- [TRANSFER_RAW] = "raw",
- [TRANSFER_DKR] = "dkr",
+ [TRANSFER_IMPORT_TAR] = "import-tar",
+ [TRANSFER_IMPORT_RAW] = "import-raw",
+ [TRANSFER_PULL_TAR] = "pull-tar",
+ [TRANSFER_PULL_RAW] = "pull-raw",
+ [TRANSFER_PULL_DKR] = "pull-dkr",
};
DEFINE_PRIVATE_STRING_TABLE_LOOKUP_TO_STRING(transfer_type, TransferType);
}
safe_close(t->log_fd);
+ safe_close(t->stdin_fd);
free(t);
return NULL;
t->type = _TRANSFER_TYPE_INVALID;
t->log_fd = -1;
+ t->stdin_fd = -1;
+ t->verify = _IMPORT_VERIFY_INVALID;
id = m->current_transfer_id + 1;
return -errno;
if (t->pid == 0) {
const char *cmd[] = {
- "systemd-pull",
- transfer_type_to_string(t->type),
- "--verify",
+ NULL, /* systemd-import or systemd-pull */
+ NULL, /* tar, raw, dkr */
+ NULL, /* --verify= */
NULL, /* verify argument */
NULL, /* maybe --force */
+ NULL, /* maybe --read-only */
NULL, /* maybe --dkr-index-url */
NULL, /* the actual URL */
NULL, /* remote */
NULL, /* local */
NULL
};
- int null_fd;
- unsigned k = 3;
+ unsigned k = 0;
/* Child */
if (pipefd[1] != STDOUT_FILENO && pipefd[1] != STDERR_FILENO)
pipefd[1] = safe_close(pipefd[1]);
- null_fd = open("/dev/null", O_RDONLY|O_NOCTTY);
- if (null_fd < 0) {
- log_error_errno(errno, "Failed to open /dev/null: %m");
- _exit(EXIT_FAILURE);
+ if (t->stdin_fd >= 0) {
+ if (dup2(t->stdin_fd, STDIN_FILENO) != STDIN_FILENO) {
+ log_error_errno(errno, "Failed to dup2() fd: %m");
+ _exit(EXIT_FAILURE);
+ }
+
+ if (t->stdin_fd != STDIN_FILENO)
+ safe_close(t->stdin_fd);
+ } else {
+ int null_fd;
+
+ null_fd = open("/dev/null", O_RDONLY|O_NOCTTY);
+ if (null_fd < 0) {
+ log_error_errno(errno, "Failed to open /dev/null: %m");
+ _exit(EXIT_FAILURE);
+ }
+
+ if (dup2(null_fd, STDIN_FILENO) != STDIN_FILENO) {
+ log_error_errno(errno, "Failed to dup2() fd: %m");
+ _exit(EXIT_FAILURE);
+ }
+
+ if (null_fd != STDIN_FILENO)
+ safe_close(null_fd);
}
- if (dup2(null_fd, STDIN_FILENO) != STDIN_FILENO) {
- log_error_errno(errno, "Failed to dup2() fd: %m");
- _exit(EXIT_FAILURE);
- }
-
- if (null_fd != STDIN_FILENO)
- safe_close(null_fd);
-
fd_cloexec(STDIN_FILENO, false);
fd_cloexec(STDOUT_FILENO, false);
fd_cloexec(STDERR_FILENO, false);
setenv("SYSTEMD_LOG_TARGET", "console-prefixed", 1);
setenv("NOTIFY_SOCKET", "/run/systemd/import/notify", 1);
- cmd[k++] = import_verify_to_string(t->verify);
+ if (IN_SET(t->type, TRANSFER_IMPORT_TAR, TRANSFER_IMPORT_RAW))
+ cmd[k++] = SYSTEMD_IMPORT_PATH;
+ else
+ cmd[k++] = SYSTEMD_PULL_PATH;
+
+ if (IN_SET(t->type, TRANSFER_IMPORT_TAR, TRANSFER_PULL_TAR))
+ cmd[k++] = "tar";
+ else if (IN_SET(t->type, TRANSFER_IMPORT_RAW, TRANSFER_PULL_RAW))
+ cmd[k++] = "raw";
+ else
+ cmd[k++] = "dkr";
+
+ if (t->verify != _IMPORT_VERIFY_INVALID) {
+ cmd[k++] = "--verify";
+ cmd[k++] = import_verify_to_string(t->verify);
+ }
+
if (t->force_local)
cmd[k++] = "--force";
+ if (t->read_only)
+ cmd[k++] = "--read-only";
if (t->dkr_index_url) {
cmd[k++] = "--dkr-index-url";
cmd[k++] = t->dkr_index_url;
}
- cmd[k++] = t->remote;
+ if (t->remote)
+ cmd[k++] = t->remote;
+ else
+ cmd[k++] = "-";
+
if (t->local)
cmd[k++] = t->local;
cmd[k] = NULL;
- execv(SYSTEMD_PULL_PATH, (char * const *) cmd);
- log_error_errno(errno, "Failed to execute import tool: %m");
+ execv(cmd[0], (char * const *) cmd);
+ log_error_errno(errno, "Failed to execute %s tool: %m", cmd[0]);
_exit(EXIT_FAILURE);
}
t->log_fd = pipefd[0];
pipefd[0] = -1;
+ t->stdin_fd = safe_close(t->stdin_fd);
+
r = sd_event_add_child(t->manager->event, &t->pid_event_source, t->pid, WEXITED, transfer_on_pid, t);
if (r < 0)
return r;
return NULL;
}
-static int check_btrfs(sd_bus_error *error) {
- struct statfs sfs;
+static int method_import_tar_or_raw(sd_bus *bus, sd_bus_message *msg, void *userdata, sd_bus_error *error) {
+ _cleanup_(transfer_unrefp) Transfer *t = NULL;
+ int fd, force, read_only, r;
+ const char *local, *object;
+ Manager *m = userdata;
+ TransferType type;
+ uint32_t id;
+
+ r = bus_verify_polkit_async(
+ msg,
+ CAP_SYS_ADMIN,
+ "org.freedesktop.import1.import",
+ false,
+ UID_INVALID,
+ &m->polkit_registry,
+ error);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return 1; /* Will call us back */
- if (statfs("/var/lib/machines", &sfs) < 0) {
- if (errno != ENOENT)
- return -errno;
+ r = sd_bus_message_read(msg, "hsbb", &fd, &local, &force, &read_only);
+ if (r < 0)
+ return r;
- if (statfs("/var/lib", &sfs) < 0)
- return -errno;
- }
+ if (!machine_name_is_valid(local))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Local name %s is invalid", local);
- if (!F_TYPE_EQUAL(sfs.f_type, BTRFS_SUPER_MAGIC))
- return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "/var/lib/machines is not a btrfs file system. Operation is not supported on legacy file systems.");
+ r = setup_machine_directory((uint64_t) -1, error);
+ if (r < 0)
+ return r;
- return 0;
+ type = streq_ptr(sd_bus_message_get_member(msg), "ImportTar") ? TRANSFER_IMPORT_TAR : TRANSFER_IMPORT_RAW;
+
+ r = transfer_new(m, &t);
+ if (r < 0)
+ return r;
+
+ t->type = type;
+ t->force_local = force;
+ t->read_only = read_only;
+
+ t->local = strdup(local);
+ if (!t->local)
+ return -ENOMEM;
+
+ t->stdin_fd = fcntl(fd, F_DUPFD_CLOEXEC, 3);
+ if (t->stdin_fd < 0)
+ return -errno;
+
+ r = transfer_start(t);
+ if (r < 0)
+ return r;
+
+ object = t->object_path;
+ id = t->id;
+ t = NULL;
+
+ return sd_bus_reply_method_return(msg, "uo", id, object);
}
static int method_pull_tar_or_raw(sd_bus *bus, sd_bus_message *msg, void *userdata, sd_bus_error *error) {
if (v < 0)
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown verification mode %s", verify);
- r = check_btrfs(error);
+ r = setup_machine_directory((uint64_t) -1, error);
if (r < 0)
return r;
- type = streq_ptr(sd_bus_message_get_member(msg), "PullTar") ? TRANSFER_TAR : TRANSFER_RAW;
+ type = streq_ptr(sd_bus_message_get_member(msg), "PullTar") ? TRANSFER_PULL_TAR : TRANSFER_PULL_RAW;
if (manager_find(m, type, NULL, remote))
return sd_bus_error_setf(error, BUS_ERROR_TRANSFER_IN_PROGRESS, "Transfer for %s already in progress.", remote);
if (!t->remote)
return -ENOMEM;
- t->local = strdup(local);
- if (!t->local)
- return -ENOMEM;
+ if (local) {
+ t->local = strdup(local);
+ if (!t->local)
+ return -ENOMEM;
+ }
r = transfer_start(t);
if (r < 0)
if (v != IMPORT_VERIFY_NO)
return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "DKR does not support verification.");
- r = check_btrfs(error);
+ r = setup_machine_directory((uint64_t) -1, error);
if (r < 0)
return r;
- if (manager_find(m, TRANSFER_DKR, index_url, remote))
+ if (manager_find(m, TRANSFER_PULL_DKR, index_url, remote))
return sd_bus_error_setf(error, BUS_ERROR_TRANSFER_IN_PROGRESS, "Transfer for %s already in progress.", remote);
r = transfer_new(m, &t);
if (r < 0)
return r;
- t->type = TRANSFER_DKR;
+ t->type = TRANSFER_PULL_DKR;
t->verify = v;
t->force_local = force;
if (!t->remote)
return -ENOMEM;
- t->local = strdup(local);
- if (!t->local)
- return -ENOMEM;
+ if (local) {
+ t->local = strdup(local);
+ if (!t->local)
+ return -ENOMEM;
+ }
r = transfer_start(t);
if (r < 0)
static const sd_bus_vtable manager_vtable[] = {
SD_BUS_VTABLE_START(0),
+ SD_BUS_METHOD("ImportTar", "hsbb", "uo", method_import_tar_or_raw, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("ImportRaw", "hsbb", "uo", method_import_tar_or_raw, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("PullTar", "sssb", "uo", method_pull_tar_or_raw, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("PullRaw", "sssb", "uo", method_pull_tar_or_raw, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("PullDkr", "sssssb", "uo", method_pull_dkr, SD_BUS_VTABLE_UNPRIVILEGED),
~ianmdlvl / elogind.git / blobdiff