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Diffstat (limited to 'src/import/importd.c')
-rw-r--r--src/import/importd.c116
1 files changed, 104 insertions, 12 deletions
diff --git a/src/import/importd.c b/src/import/importd.c
index e2ff9f7162..3e70fe7330 100644
--- a/src/import/importd.c
+++ b/src/import/importd.c
@@ -41,6 +41,8 @@ typedef struct Manager Manager;
typedef enum TransferType {
TRANSFER_IMPORT_TAR,
TRANSFER_IMPORT_RAW,
+ TRANSFER_EXPORT_TAR,
+ TRANSFER_EXPORT_RAW,
TRANSFER_PULL_TAR,
TRANSFER_PULL_RAW,
TRANSFER_PULL_DKR,
@@ -63,6 +65,7 @@ struct Transfer {
bool read_only;
char *dkr_index_url;
+ char *format;
pid_t pid;
@@ -78,6 +81,7 @@ struct Transfer {
unsigned progress_percent;
int stdin_fd;
+ int stdout_fd;
};
struct Manager {
@@ -99,6 +103,8 @@ struct Manager {
static const char* const transfer_type_table[_TRANSFER_TYPE_MAX] = {
[TRANSFER_IMPORT_TAR] = "import-tar",
[TRANSFER_IMPORT_RAW] = "import-raw",
+ [TRANSFER_EXPORT_TAR] = "export-tar",
+ [TRANSFER_EXPORT_RAW] = "export-raw",
[TRANSFER_PULL_TAR] = "pull-tar",
[TRANSFER_PULL_RAW] = "pull-raw",
[TRANSFER_PULL_DKR] = "pull-dkr",
@@ -119,6 +125,7 @@ static Transfer *transfer_unref(Transfer *t) {
free(t->remote);
free(t->local);
free(t->dkr_index_url);
+ free(t->format);
free(t->object_path);
if (t->pid > 0) {
@@ -128,6 +135,7 @@ static Transfer *transfer_unref(Transfer *t) {
safe_close(t->log_fd);
safe_close(t->stdin_fd);
+ safe_close(t->stdout_fd);
free(t);
return NULL;
@@ -363,14 +371,16 @@ static int transfer_start(Transfer *t) {
return -errno;
if (t->pid == 0) {
const char *cmd[] = {
- NULL, /* systemd-import or systemd-pull */
+ NULL, /* systemd-import, systemd-export 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, /* if so: the actual URL */
+ NULL, /* maybe --format= */
+ NULL, /* if so: the actual format */
NULL, /* remote */
NULL, /* local */
NULL
@@ -385,14 +395,24 @@ static int transfer_start(Transfer *t) {
pipefd[0] = safe_close(pipefd[0]);
- if (dup2(pipefd[1], STDOUT_FILENO) != STDOUT_FILENO) {
+ if (dup2(pipefd[1], STDERR_FILENO) != STDERR_FILENO) {
log_error_errno(errno, "Failed to dup2() fd: %m");
_exit(EXIT_FAILURE);
}
- if (dup2(pipefd[1], STDERR_FILENO) != STDERR_FILENO) {
- log_error_errno(errno, "Failed to dup2() fd: %m");
- _exit(EXIT_FAILURE);
+ if (t->stdout_fd >= 0) {
+ if (dup2(t->stdout_fd, STDOUT_FILENO) != STDOUT_FILENO) {
+ log_error_errno(errno, "Failed to dup2() fd: %m");
+ _exit(EXIT_FAILURE);
+ }
+
+ if (t->stdout_fd != STDOUT_FILENO)
+ safe_close(t->stdout_fd);
+ } else {
+ if (dup2(pipefd[1], STDOUT_FILENO) != STDOUT_FILENO) {
+ log_error_errno(errno, "Failed to dup2() fd: %m");
+ _exit(EXIT_FAILURE);
+ }
}
if (pipefd[1] != STDOUT_FILENO && pipefd[1] != STDERR_FILENO)
@@ -433,12 +453,14 @@ static int transfer_start(Transfer *t) {
if (IN_SET(t->type, TRANSFER_IMPORT_TAR, TRANSFER_IMPORT_RAW))
cmd[k++] = SYSTEMD_IMPORT_PATH;
+ else if (IN_SET(t->type, TRANSFER_EXPORT_TAR, TRANSFER_EXPORT_RAW))
+ cmd[k++] = SYSTEMD_EXPORT_PATH;
else
cmd[k++] = SYSTEMD_PULL_PATH;
- if (IN_SET(t->type, TRANSFER_IMPORT_TAR, TRANSFER_PULL_TAR))
+ if (IN_SET(t->type, TRANSFER_IMPORT_TAR, TRANSFER_EXPORT_TAR, TRANSFER_PULL_TAR))
cmd[k++] = "tar";
- else if (IN_SET(t->type, TRANSFER_IMPORT_RAW, TRANSFER_PULL_RAW))
+ else if (IN_SET(t->type, TRANSFER_IMPORT_RAW, TRANSFER_EXPORT_RAW, TRANSFER_PULL_RAW))
cmd[k++] = "raw";
else
cmd[k++] = "dkr";
@@ -458,10 +480,17 @@ static int transfer_start(Transfer *t) {
cmd[k++] = t->dkr_index_url;
}
- if (t->remote)
- cmd[k++] = t->remote;
- else
- cmd[k++] = "-";
+ if (t->format) {
+ cmd[k++] = "--format";
+ cmd[k++] = t->format;
+ }
+
+ if (!IN_SET(t->type, TRANSFER_EXPORT_TAR, TRANSFER_EXPORT_RAW)) {
+ if (t->remote)
+ cmd[k++] = t->remote;
+ else
+ cmd[k++] = "-";
+ }
if (t->local)
cmd[k++] = t->local;
@@ -751,6 +780,67 @@ static int method_import_tar_or_raw(sd_bus *bus, sd_bus_message *msg, void *user
return sd_bus_reply_method_return(msg, "uo", id, object);
}
+static int method_export_tar_or_raw(sd_bus *bus, sd_bus_message *msg, void *userdata, sd_bus_error *error) {
+ _cleanup_(transfer_unrefp) Transfer *t = NULL;
+ int fd, r;
+ const char *local, *object, *format;
+ Manager *m = userdata;
+ TransferType type;
+ uint32_t id;
+
+ r = bus_verify_polkit_async(
+ msg,
+ CAP_SYS_ADMIN,
+ "org.freedesktop.import1.export",
+ false,
+ UID_INVALID,
+ &m->polkit_registry,
+ error);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return 1; /* Will call us back */
+
+ r = sd_bus_message_read(msg, "shs", &local, &fd, &format);
+ if (r < 0)
+ return r;
+
+ if (!machine_name_is_valid(local))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Local name %s is invalid", local);
+
+ type = streq_ptr(sd_bus_message_get_member(msg), "ExportTar") ? TRANSFER_EXPORT_TAR : TRANSFER_EXPORT_RAW;
+
+ r = transfer_new(m, &t);
+ if (r < 0)
+ return r;
+
+ t->type = type;
+
+ if (!isempty(format)) {
+ t->format = strdup(format);
+ if (!t->format)
+ return -ENOMEM;
+ }
+
+ t->local = strdup(local);
+ if (!t->local)
+ return -ENOMEM;
+
+ t->stdout_fd = fcntl(fd, F_DUPFD_CLOEXEC, 3);
+ if (t->stdout_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) {
_cleanup_(transfer_unrefp) Transfer *t = NULL;
const char *remote, *local, *verify, *object;
@@ -1080,6 +1170,8 @@ 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("ExportTar", "shs", "uo", method_export_tar_or_raw, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("ExportRaw", "shs", "uo", method_export_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),
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-08 03:20:25 +0000