本例是解决ffbm模式 adb未授权，无法连接的问，其他情况类似，做个记录做备忘
原理：
如果是ffbm模式启动，则函数 int adb_auth_verify(uint8_t* token, uint8_t* sig, int siglen) 直接返回1
路径：system/core/adb/adb_auth_client.cpp
commit dd9ea32488c4064fd958019de1ae825d5bbfa038
Author: xxx <xxx@localhost> Date: Tue Nov 15 20:23:00 2016 +0800 user版本ffbm模式 adb未授权，无法连接 Change-Id: I1f847ab4bfe76eaef82e10bebf1e3d1dbcbe7848 diff --git a/system/core/adb/adb_auth_client.cpp b/system/core/adb/adb_auth_client.cpp index 8e7d38be..1ec4339 100644 --- a/system/core/adb/adb_auth_client.cpp +++ b/system/core/adb/adb_auth_client.cpp @@ -32,6 +32,8 @@ #include "fdevent.h" #include "transport.h" +#include "cutils/properties.h" + struct adb_public_key { struct listnode node; RSAPublicKey key; @@ -43,6 +45,13 @@ static const char *key_paths[] = { NULL }; +static const char *ffbm_boot_mode_string[] = { + "ffbm-00", + "ffbm-01", + "ffbm-02" +}; + + static fdevent listener_fde; static int framework_fd = -1; @@ -143,6 +152,19 @@ int adb_auth_verify(uint8_t* token, uint8_t* sig, int siglen) struct listnode *item; struct listnode key_list; int ret = 0; + +//jimbo add start for ffbm adb connect + char boot_mode[PROPERTY_VALUE_MAX] = { 0 }; + unsigned long i = 0; + + /**Get mode from misc boot mode,overwrite the config file mode*/ + property_get("ro.bootmode", boot_mode, "normal"); + for(i = 0; i < sizeof(ffbm_boot_mode_string) / sizeof(char *); i++) { + if(!strcmp(ffbm_boot_mode_string[i], boot_mode)) { + return 1; + } + } +//jimbo add end if (siglen != RSANUMBYTES) return 0;