*/
+#define _GNU_SOURCE
#include "watchdog.h"
#include "sysupgrade.h"
+#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
+#include <libubox/blobmsg.h>
-void sysupgrade_exec_upgraded(const char *prefix, char *path, char *command)
+void sysupgrade_exec_upgraded(const char *prefix, char *path,
+ const char *backup, char *command,
+ struct blob_attr *options)
{
char *wdt_fd = watchdog_fd();
char *argv[] = { "/sbin/upgraded", NULL, NULL, NULL};
+ struct blob_attr *option;
+ int rem;
int ret;
ret = chroot(prefix);
watchdog_set_cloexec(false);
setenv("WDTFD", wdt_fd, 1);
}
+
+ if (backup)
+ setenv("UPGRADE_BACKUP", backup, 1);
+
+ blobmsg_for_each_attr(option, options, rem) {
+ const char *prefix = "UPGRADE_OPT_";
+ char value[11];
+ char *name;
+ char *c;
+ int tmp;
+
+ if (asprintf(&name, "%s%s", prefix, blobmsg_name(option)) <= 0)
+ continue;
+ for (c = name + strlen(prefix); *c; c++) {
+ if (isalnum(*c) || *c == '_') {
+ *c = toupper(*c);
+ } else {
+ c = NULL;
+ break;
+ }
+ }
+
+ if (!c) {
+ fprintf(stderr, "Option \"%s\" contains invalid characters\n",
+ blobmsg_name(option));
+ free(name);
+ continue;
+ }
+
+ switch (blobmsg_type(option)) {
+ case BLOBMSG_TYPE_INT32:
+ tmp = blobmsg_get_u32(option);
+ break;
+ case BLOBMSG_TYPE_INT16:
+ tmp = blobmsg_get_u16(option);
+ break;
+ case BLOBMSG_TYPE_INT8:
+ tmp = blobmsg_get_u8(option);
+ break;
+ default:
+ fprintf(stderr, "Option \"%s\" has unsupported type: %d\n",
+ blobmsg_name(option), blobmsg_type(option));
+ free(name);
+ continue;
+ }
+ snprintf(value, sizeof(value), "%u", tmp);
+
+ setenv(name, value, 1);
+
+ free(name);
+ }
+
execvp(argv[0], argv);
/* Cleanup on failure */