]> git.sur5r.net Git - u-boot/blobdiff - common/avb_verify.c
spi: zynqmp_gqspi: Add support for ZynqMP qspi driver
[u-boot] / common / avb_verify.c
index a4de168839ea03278628745f8a4a845e85f9218d..f9a00f8871c0c13c7b35a9ff6e6f0999cfddfa7e 100644 (file)
@@ -117,6 +117,137 @@ const unsigned char avb_root_pub[1032] = {
        0xd8, 0x7e,
 };
 
+/**
+ * ============================================================================
+ * Boot states support (GREEN, YELLOW, ORANGE, RED) and dm_verity
+ * ============================================================================
+ */
+char *avb_set_state(AvbOps *ops, enum avb_boot_state boot_state)
+{
+       struct AvbOpsData *data;
+       char *cmdline = NULL;
+
+       if (!ops)
+               return NULL;
+
+       data = (struct AvbOpsData *)ops->user_data;
+       if (!data)
+               return NULL;
+
+       data->boot_state = boot_state;
+       switch (boot_state) {
+       case AVB_GREEN:
+               cmdline = "androidboot.verifiedbootstate=green";
+               break;
+       case AVB_YELLOW:
+               cmdline = "androidboot.verifiedbootstate=yellow";
+               break;
+       case AVB_ORANGE:
+               cmdline = "androidboot.verifiedbootstate=orange";
+       case AVB_RED:
+               break;
+       }
+
+       return cmdline;
+}
+
+char *append_cmd_line(char *cmdline_orig, char *cmdline_new)
+{
+       char *cmd_line;
+
+       if (!cmdline_new)
+               return cmdline_orig;
+
+       if (cmdline_orig)
+               cmd_line = cmdline_orig;
+       else
+               cmd_line = " ";
+
+       cmd_line = avb_strdupv(cmd_line, " ", cmdline_new, NULL);
+
+       return cmd_line;
+}
+
+static int avb_find_dm_args(char **args, char *str)
+{
+       int i;
+
+       if (!str)
+               return -1;
+
+       for (i = 0; i < AVB_MAX_ARGS, args[i]; ++i) {
+               if (strstr(args[i], str))
+                       return i;
+       }
+
+       return -1;
+}
+
+static char *avb_set_enforce_option(const char *cmdline, const char *option)
+{
+       char *cmdarg[AVB_MAX_ARGS];
+       char *newargs = NULL;
+       int i = 0;
+       int total_args;
+
+       memset(cmdarg, 0, sizeof(cmdarg));
+       cmdarg[i++] = strtok((char *)cmdline, " ");
+
+       do {
+               cmdarg[i] = strtok(NULL, " ");
+               if (!cmdarg[i])
+                       break;
+
+               if (++i >= AVB_MAX_ARGS) {
+                       printf("%s: Can't handle more then %d args\n",
+                              __func__, i);
+                       return NULL;
+               }
+       } while (true);
+
+       total_args = i;
+       i = avb_find_dm_args(&cmdarg[0], VERITY_TABLE_OPT_LOGGING);
+       if (i >= 0) {
+               cmdarg[i] = (char *)option;
+       } else {
+               i = avb_find_dm_args(&cmdarg[0], VERITY_TABLE_OPT_RESTART);
+               if (i < 0) {
+                       printf("%s: No verity options found\n", __func__);
+                       return NULL;
+               }
+
+               cmdarg[i] = (char *)option;
+       }
+
+       for (i = 0; i <= total_args; i++)
+               newargs = append_cmd_line(newargs, cmdarg[i]);
+
+       return newargs;
+}
+
+char *avb_set_ignore_corruption(const char *cmdline)
+{
+       char *newargs = NULL;
+
+       newargs = avb_set_enforce_option(cmdline, VERITY_TABLE_OPT_LOGGING);
+       if (newargs)
+               newargs = append_cmd_line(newargs,
+                                         "androidboot.veritymode=eio");
+
+       return newargs;
+}
+
+char *avb_set_enforce_verity(const char *cmdline)
+{
+       char *newargs;
+
+       newargs = avb_set_enforce_option(cmdline, VERITY_TABLE_OPT_RESTART);
+       if (newargs)
+               newargs = append_cmd_line(newargs,
+                                         "androidboot.veritymode=enforcing");
+       return newargs;
+}
+
 /**
  * ============================================================================
  * IO(mmc) auxiliary functions
@@ -478,7 +609,7 @@ static AvbIOResult read_rollback_index(AvbOps *ops,
                                       u64 *out_rollback_index)
 {
        /* For now we always return 0 as the stored rollback index. */
-       printf("TODO: implement %s.\n", __func__);
+       printf("%s not supported yet\n", __func__);
 
        if (out_rollback_index)
                *out_rollback_index = 0;
@@ -502,7 +633,7 @@ static AvbIOResult write_rollback_index(AvbOps *ops,
                                        u64 rollback_index)
 {
        /* For now this is a no-op. */
-       printf("TODO: implement %s.\n", __func__);
+       printf("%s not supported yet\n", __func__);
 
        return AVB_IO_RESULT_OK;
 }
@@ -522,7 +653,7 @@ static AvbIOResult read_is_device_unlocked(AvbOps *ops, bool *out_is_unlocked)
 {
        /* For now we always return that the device is unlocked. */
 
-       printf("TODO: implement %s.\n", __func__);
+       printf("%s not supported yet\n", __func__);
 
        *out_is_unlocked = true;