diff options
Diffstat (limited to 'futility/updater_manifest.c')
| -rw-r--r-- | futility/updater_manifest.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/futility/updater_manifest.c b/futility/updater_manifest.c index 339bfd8a..ca338c40 100644 --- a/futility/updater_manifest.c +++ b/futility/updater_manifest.c @@ -706,6 +706,58 @@ const struct model_config *manifest_find_model(const struct manifest *manifest, return model; } +const struct model_config * +manifest_detect_model_from_frid(struct updater_config *cfg, + struct manifest *manifest) +{ + const struct model_config *result = NULL; + struct firmware_image current_ro_frid = {0}; + current_ro_frid.programmer = cfg->image_current.programmer; + int error = flashrom_read_region(¤t_ro_frid, FMAP_RO_FRID, + cfg->verbosity + 1); + const char *from_dot; + int len; + + if (error) + return NULL; + + current_ro_frid.data[current_ro_frid.size - 1] = '\0'; + from_dot = strchr((const char *)current_ro_frid.data, '.'); + if (!from_dot) { + VB2_DEBUG("Missing dot (%s)\n", + (const char *)current_ro_frid.data); + goto cleanup; + } + len = from_dot - (const char *)current_ro_frid.data + 1; + + for (int i = 0; i < manifest->num && !result; ++i) { + struct model_config *m = &manifest->models[i]; + struct firmware_image image = {0}; + + if (load_firmware_image(&image, m->image, manifest->archive)) + return NULL; + + VB2_DEBUG("Comparing '%*.*s' with '%*.*s'\n", len, len, + (const char *)current_ro_frid.data, len, len, + image.ro_version); + if (strncasecmp((const char *)current_ro_frid.data, + image.ro_version, len) == 0) { + result = m; + } + free_firmware_image(&image); + } + if (result) { + INFO("Detected model: '%s'\n", result->name); + } else { + ERROR("Unsupported FRID: '%*.*s'.\n", len - 1, len - 1, + (const char *)current_ro_frid.data); + } +cleanup: + free_firmware_image(¤t_ro_frid); + + return result; +} + /* * Determines the signature ID to use for custom label. * Returns the signature ID for looking up rootkey and vblock files. |