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keys: Ensure SD mount before writing key buffer

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shchmue 2019-10-25 11:57:59 -06:00
parent 86f2a63fb7
commit dbc86a6699
1 changed files with 8 additions and 3 deletions
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11
source/keys/keys.c
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@ -975,8 +975,13 @@ dismount:
nx_emmc_gpt_free(&gpt); nx_emmc_gpt_free(&gpt);
key_output: ; key_output: ;
char *text_buffer = NULL;
if (!sd_mount()) {
EPRINTF("Unable to mount SD.");
goto free_buffers;
}
u32 text_buffer_size = _titlekey_count * 68 < 0x3000 ? 0x3000 : _titlekey_count * 68 + 1; u32 text_buffer_size = _titlekey_count * 68 < 0x3000 ? 0x3000 : _titlekey_count * 68 + 1;
char *text_buffer = (char *)calloc(1, text_buffer_size); text_buffer = (char *)calloc(1, text_buffer_size);
SAVE_KEY("aes_kek_generation_source", aes_kek_generation_source, 0x10); SAVE_KEY("aes_kek_generation_source", aes_kek_generation_source, 0x10);
SAVE_KEY("aes_key_generation_source", aes_key_generation_source, 0x10); SAVE_KEY("aes_key_generation_source", aes_key_generation_source, 0x10);
@ -1049,7 +1054,7 @@ key_output: ;
sprintf(&keyfile_path[11], "prod.keys"); sprintf(&keyfile_path[11], "prod.keys");
else else
sprintf(&keyfile_path[11], "dev.keys"); sprintf(&keyfile_path[11], "dev.keys");
if (sd_mount() && !sd_save_to_file(text_buffer, strlen(text_buffer), keyfile_path) && !f_stat(keyfile_path, &fno)) { if (!sd_save_to_file(text_buffer, strlen(text_buffer), keyfile_path) && !f_stat(keyfile_path, &fno)) {
gfx_printf("%kWrote %d bytes to %s\n", colors[(color_idx++) % 6], (u32)fno.fsize, keyfile_path); gfx_printf("%kWrote %d bytes to %s\n", colors[(color_idx++) % 6], (u32)fno.fsize, keyfile_path);
} else } else
EPRINTF("Unable to save keys to SD."); EPRINTF("Unable to save keys to SD.");
@ -1066,7 +1071,7 @@ key_output: ;
sprintf(&text_buffer[i * 68 + 0x43], "\n"); sprintf(&text_buffer[i * 68 + 0x43], "\n");
} }
sprintf(&keyfile_path[11], "title.keys"); sprintf(&keyfile_path[11], "title.keys");
if (sd_mount() && !sd_save_to_file(text_buffer, strlen(text_buffer), keyfile_path) && !f_stat(keyfile_path, &fno)) { if (!sd_save_to_file(text_buffer, strlen(text_buffer), keyfile_path) && !f_stat(keyfile_path, &fno)) {
gfx_printf("%kWrote %d bytes to %s\n", colors[(color_idx++) % 6], (u32)fno.fsize, keyfile_path); gfx_printf("%kWrote %d bytes to %s\n", colors[(color_idx++) % 6], (u32)fno.fsize, keyfile_path);
} else } else
EPRINTF("Unable to save titlekeys to SD."); EPRINTF("Unable to save titlekeys to SD.");