#include <talloc/talloc.h>
#include <system/system.h>
+#include <process/process.h>
#include <url/url.h>
#include <log/log.h>
#define DEVICE_MOUNT_BASE (LOCAL_STATE_DIR "/petitboot/mnt")
+struct load_url_async_data {
+ load_url_callback url_cb;
+ void *ctx;
+};
+
const char *mount_base(void)
{
return DEVICE_MOUNT_BASE;
return ret;
}
+static void load_url_exit_cb(struct process *process)
+{
+ struct load_url_async_data *url_data = process->data;
+
+ pb_log("The download client '%s' [pid %d] exited, rc %d\n",
+ process->path, process->pid, process->exit_status);
+
+ url_data->url_cb(url_data->ctx, process->exit_status);
+
+ process_release(process);
+}
+
/**
* pb_load_nfs - Mounts the NFS export and returns the local file path.
*
* Returns the local file path in a talloc'ed character string on success,
* or NULL on error.
*/
-static char *load_nfs(void *ctx, struct pb_url *url)
+static char *load_nfs(void *ctx, struct pb_url *url,
+ struct load_url_async_data *url_data)
{
+ char *local, *opts;
int result;
- const char *argv[8];
- const char **p;
- char *local;
- char *opts;
+ struct process *process;
+ const char *argv[] = {
+ pb_system_apps.mount,
+ "-t", "nfs",
+ NULL,
+ url->host,
+ url->dir,
+ NULL,
+ NULL,
+ };
local = local_name(ctx);
-
if (!local)
return NULL;
+ argv[6] = local;
result = pb_mkdir_recursive(local);
-
if (result)
goto fail;
opts = talloc_strdup(NULL, "ro,nolock,nodiratime");
+ argv[3] = opts;
if (url->port)
opts = talloc_asprintf_append(opts, ",port=%s", url->port);
- p = argv;
- *p++ = pb_system_apps.mount; /* 1 */
- *p++ = "-t"; /* 2 */
- *p++ = "nfs"; /* 3 */
- *p++ = opts; /* 4 */
- *p++ = url->host; /* 5 */
- *p++ = url->dir; /* 6 */
- *p++ = local; /* 7 */
- *p++ = NULL; /* 8 */
+ if (url_data) {
+ process = process_create(ctx);
- result = pb_run_cmd(argv, 1, 0);
+ process->path = pb_system_apps.mount;
+ process->argv = argv;
+ process->exit_cb = load_url_exit_cb;
+ process->data = url_data;
+
+ result = process_run_async(process);
+ if (result)
+ process_release(process);
+ } else {
+ result = process_run_simple_argv(ctx, argv);
+ }
talloc_free(opts);
* Returns the local file path in a talloc'ed character string on success,
* or NULL on error.
*/
-static char *load_sftp(void *ctx, struct pb_url *url)
+static char *load_sftp(void *ctx, struct pb_url *url,
+ struct load_url_async_data *url_data)
{
+ char *host_path, *local;
int result;
- const char *argv[4];
- const char **p;
- char *local;
+ struct process *process;
+ const char *argv[] = {
+ pb_system_apps.sftp,
+ NULL,
+ NULL,
+ NULL,
+ };
local = local_name(ctx);
-
if (!local)
return NULL;
+ argv[2] = local;
- p = argv;
- *p++ = pb_system_apps.sftp; /* 1 */
- *p++ = talloc_asprintf(local, "%s:%s", url->host, url->path); /* 2 */
- *p++ = local; /* 3 */
- *p++ = NULL; /* 4 */
+ host_path = talloc_asprintf(local, "%s:%s", url->host, url->path);
+ argv[1] = host_path;
+
+ if (url_data) {
+ process = process_create(ctx);
- result = pb_run_cmd(argv, 1, 0);
+ process->path = pb_system_apps.sftp;
+ process->argv = argv;
+ process->exit_cb = load_url_exit_cb;
+ process->data = url_data;
+
+ result = process_run_async(process);
+ if (result)
+ process_release(process);
+ } else {
+ result = process_run_simple_argv(ctx, argv);
+ }
if (result)
goto fail;
return NULL;
}
+static enum tftp_type check_tftp_type(void *ctx)
+{
+ const char *argv[] = { pb_system_apps.tftp, "-V", NULL };
+ struct process *process;
+ enum tftp_type type;
+
+ process = process_create(ctx);
+ process->path = pb_system_apps.tftp;
+ process->argv = argv;
+ process->keep_stdout = true;
+ process_run_sync(process);
+
+ if (!process->stdout_buf || process->stdout_len == 0) {
+ pb_log("Can't check TFTP client type!\n");
+ type = TFTP_TYPE_BROKEN;
+
+ } else if (memmem(process->stdout_buf, process->stdout_len,
+ "tftp-hpa", strlen("tftp-hpa"))) {
+ pb_debug("Found TFTP client type: tftp-hpa\n");
+ type = TFTP_TYPE_HPA;
+
+ } else if (memmem(process->stdout_buf, process->stdout_len,
+ "BusyBox", strlen("BusyBox"))) {
+ pb_debug("Found TFTP client type: BusyBox tftp\n");
+ type = TFTP_TYPE_BUSYBOX;
+
+ } else {
+ pb_log("Unknown TFTP client type!\n");
+ type = TFTP_TYPE_BROKEN;
+ }
+
+ process_release(process);
+ return type;
+}
+
/**
* pb_load_tftp - Loads a remote file via tftp and returns the local file path.
*
* or NULL on error.
*/
-static char *load_tftp(void *ctx, struct pb_url *url)
+static char *load_tftp(void *ctx, struct pb_url *url,
+ struct load_url_async_data *url_data)
{
int result;
const char *argv[10];
const char **p;
char *local;
+ struct process *process;
- local = local_name(ctx);
+ if (tftp_type == TFTP_TYPE_UNKNOWN)
+ tftp_type = check_tftp_type(ctx);
- if (!local)
+ if (tftp_type == TFTP_TYPE_BROKEN)
return NULL;
- /* first try busybox tftp args */
-
- p = argv;
- *p++ = pb_system_apps.tftp; /* 1 */
- *p++ = "-g"; /* 2 */
- *p++ = "-l"; /* 3 */
- *p++ = local; /* 4 */
- *p++ = "-r"; /* 5 */
- *p++ = url->path; /* 6 */
- *p++ = url->host; /* 7 */
- if (url->port)
- *p++ = url->port; /* 8 */
- *p++ = NULL; /* 9 */
-
- result = pb_run_cmd(argv, 1, 0);
+ local = local_name(ctx);
+ if (!local)
+ return NULL;
- if (!result)
- return local;
+ if (tftp_type == TFTP_TYPE_BUSYBOX) {
+ /* first try busybox tftp args */
+
+ p = argv;
+ *p++ = pb_system_apps.tftp; /* 1 */
+ *p++ = "-g"; /* 2 */
+ *p++ = "-l"; /* 3 */
+ *p++ = local; /* 4 */
+ *p++ = "-r"; /* 5 */
+ *p++ = url->path; /* 6 */
+ *p++ = url->host; /* 7 */
+ if (url->port)
+ *p++ = url->port; /* 8 */
+ *p++ = NULL; /* 9 */
+ } else {
+ p = argv;
+ *p++ = pb_system_apps.tftp; /* 1 */
+ *p++ = "-m"; /* 2 */
+ *p++ = "binary"; /* 3 */
+ *p++ = url->host; /* 4 */
+ if (url->port)
+ *p++ = url->port; /* 5 */
+ *p++ = "-c"; /* 6 */
+ *p++ = "get"; /* 7 */
+ *p++ = url->path; /* 8 */
+ *p++ = local; /* 9 */
+ *p++ = NULL; /* 10 */
+ }
- /* next try tftp-hpa args */
+ if (url_data) {
+ process = process_create(ctx);
- p = argv;
- *p++ = pb_system_apps.tftp; /* 1 */
- *p++ = "-m"; /* 2 */
- *p++ = "binary"; /* 3 */
- *p++ = url->host; /* 4 */
- if (url->port)
- *p++ = url->port; /* 5 */
- *p++ = "-c"; /* 6 */
- *p++ = "get"; /* 7 */
- *p++ = url->path; /* 8 */
- *p++ = local; /* 9 */
- *p++ = NULL; /* 10 */
+ process->path = pb_system_apps.tftp;
+ process->argv = argv;
+ process->exit_cb = load_url_exit_cb;
+ process->data = url_data;
- result = pb_run_cmd(argv, 1, 0);
+ result = process_run_async(process);
+ } else {
+ result = process_run_simple_argv(ctx, argv);
+ }
if (!result)
return local;
* or NULL on error.
*/
-static char *load_wget(void *ctx, struct pb_url *url, enum wget_flags flags)
+static char *load_wget(void *ctx, struct pb_url *url, enum wget_flags flags,
+ struct load_url_async_data *url_data)
{
int result;
const char *argv[7];
const char **p;
char *local;
+ struct process *process;
local = local_name(ctx);
*p++ = "--no-check-certificate"; /* 6 */
*p++ = NULL; /* 7 */
- result = pb_run_cmd(argv, 1, 0);
+ if (url_data) {
+ process = process_create(ctx);
+
+ process->path = pb_system_apps.wget;
+ process->argv = argv;
+ process->exit_cb = load_url_exit_cb;
+ process->data = url_data;
+
+ result = process_run_async(process);
+ if (result)
+ process_release(process);
+ } else {
+ result = process_run_simple_argv(ctx, argv);
+ }
if (result)
goto fail;
* load_url - Loads a (possibly) remote URL and returns the local file
* path.
* @ctx: The talloc context to associate with the returned string.
- * @URL: The remote file URL.
+ * @url: The remote file URL.
* @tempfile: An optional variable pointer to be set when a temporary local
* file is created.
+ * @url_cb: An optional callback pointer if the caller wants to load url
+ * asynchronously.
*
* Returns the local file path in a talloc'ed character string on success,
* or NULL on error.
*/
-char *load_url(void *ctx, struct pb_url *url, unsigned int *tempfile)
+char *load_url_async(void *ctx, struct pb_url *url, unsigned int *tempfile,
+ load_url_callback url_cb)
{
char *local;
int tmp = 0;
+ struct load_url_async_data *url_data;
if (!url)
return NULL;
+ url_data = NULL;
+
+ if (url_cb) {
+ url_data = talloc_zero(ctx, struct load_url_async_data);
+ url_data->url_cb = url_cb;
+ url_data->ctx = ctx;
+ }
+
switch (url->scheme) {
case pb_url_ftp:
case pb_url_http:
- local = load_wget(ctx, url, 0);
+ local = load_wget(ctx, url, 0, url_data);
tmp = !!local;
break;
case pb_url_https:
- local = load_wget(ctx, url, wget_no_check_certificate);
+ local = load_wget(ctx, url, wget_no_check_certificate,
+ url_data);
tmp = !!local;
break;
case pb_url_nfs:
- local = load_nfs(ctx, url);
+ local = load_nfs(ctx, url, url_data);
tmp = !!local;
break;
case pb_url_sftp:
- local = load_sftp(ctx, url);
+ local = load_sftp(ctx, url, url_data);
tmp = !!local;
break;
case pb_url_tftp:
- local = load_tftp(ctx, url);
+ local = load_tftp(ctx, url, url_data);
tmp = !!local;
break;
default:
if (tempfile)
*tempfile = tmp;
- talloc_free(url);
return local;
}
+
+char *load_url(void *ctx, struct pb_url *url, unsigned int *tempfile)
+{
+ return load_url_async(ctx, url, tempfile, NULL);
+}
projects / petitboot / blobdiff