W5波+N-19收口:FTP鉴权落地、Trap25三连定案修复(N-30)、N-20/N-23/N-26
N-19 FTP 鉴权:
- lftpd_auth(USER/PASS 状态机 + 连续5次失败锁60s)+ SHA-256
(user||pwd) 口令哈希;config.ini [ftp] 段 user/pwd_hash/write,
出厂 admin/admin 在用有启动告警;lftpd_log.c 删除并入 lftpd_auth
- ftp_cfg 配置读写;台架 ftp_auth_bench.py 13/13
N-30 / Trap 25(CH395F_Trap_Records.md 四次定案全记录):
- 修复1 closed-with-data accept:客户端发完正常 FIN 后芯片按
FUN_PARA(0x09) §5.52② 保留 Socket+RX 缓冲,旧代码把 CLOSED 一律
relisten 自毁缓冲 → STOR 必挂 425;改为接受"已关但可读"连接排空
- 修复2 丢 CONNECT 中断探针 net_lost_connect_probe + last_peer_port
幽灵甄别(拆链窗口握手完成但中断丢失,双信源去抖补 accept)
- 修复3 send_list/send_nlst 批量单发:背靠背 ~60B 小段毒化芯片 TX
(芯片报 SEND_OK 但对端全丢),整份目录一次性写入
- 证伪存档:固定沉降/Socket 轮换冷却/listen 门控(台架 v7 矩阵)
- 台架工具 test/board/ch395f_reuse_bench.{c,h} + host 脚本存档
(不注册编译;实验分支 n30-chip-bench 保留)
N-20:Error_Handler 死循环降级(记录+复位路径)
N-23:scripts/check_registration.py 双端注册反向校验(pre-commit)
N-26:GD5F NAND 直 DMA 调用方缓冲窗口断言
验证:BUILD_OK 0/0;ftp_regression 连跑 4 轮 11/11(修复前
LIST#4/#7 100% 挂、STOR#2 曾 100% 425);ftp_auth_bench 13/13;
@test 启动标记 PASS;ci_local L0+L0.5 全过;doc-links 通过。
登记簿 N-30 已销项。
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/*
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* 模块名称:FTP 鉴权状态机(lftpd_auth)主机侧单元测试
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* 模块功能:在 PC 上对 Drivers/BSP/NET/lftpd/lftpd_auth.c 做离线验证
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* (用户名匹配 / 口令校验 / 失败计数 / 限时锁定 / tick 回绕)。
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*
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* 被测对象:真实源文件 lftpd_auth.c + 其依赖 sha256.c(均以 #include 原样
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* 纳入,保证测的是生产代码而非副本;两模块零平台依赖,无需桩——
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* tick 由参数注入正是本模块的纯函数设计意图)。
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*
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* 为什么要主机侧单测(而不是只用台架):
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* 锁定 60 s / 解锁 / 成功清零 / tick 32 位回绕是"防口令爆破"契约的核心,
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* 板端每验一条要真等 60 s 且回绕要跑满 49.7 天;主机侧注入合成 tick
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* 毫秒级穷举。用户名侧信道路径(错用户名也走哈希)同属纯逻辑。
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*
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* 覆盖点:
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* TC-FA-001 user_match:相等 / 大小写不敏感 / 不等 / NULL
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* TC-FA-002 正确用户名+正确口令 → OK,计数 0
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* TC-FA-003 错口令 → FAIL,计数 1
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* TC-FA-004 错用户名+对口令 → FAIL(哈希路径已走,时间拉平)
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* TC-FA-005 连续 5 次失败 → 第 6 次(锁定期内)LOCKED,对口令也拒
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* TC-FA-006 锁定期满(+60000 tick)→ 对口令 OK,计数清零
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* TC-FA-007 成功清零计数:3 败 + 1 成 → 再 4 败不触发锁定(第 5 败才锁)
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* TC-FA-008 tick 32 位回绕:锁定期内回绕点仍 LOCKED,期满回绕点放行
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* TC-FA-009 配置 pwd_hash 非法 hex → 恒 FAIL(fail-closed)
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* TC-FA-010 空口令 / NULL 口令 → FAIL;NULL creds/state → FAIL
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*
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* 通过:全部 TC PASS(main 返回 0)。
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* 入口:int main(void),返回 0=PASS / 1=FAIL(由 run 脚本判读)。
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*
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* 创建日期:2026-10-11
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*/
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#include <stdio.h>
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#include <string.h>
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/* 生产源文件原样纳入(顺序敏感:先 sha256 后 lftpd_auth) */
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#include "sha256.c"
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#include "lftpd_auth.c"
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/* ===================== 断言框架 ===================== */
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static int s_total;
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static int s_passed;
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static int s_failed;
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#define CHECK(cond, name) do { \
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s_total++; \
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if (cond) { s_passed++; printf(" PASS %s\n", name); } \
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else { s_failed++; printf(" FAIL %s (line %d)\n", name, __LINE__); } \
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} while (0)
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/* 与 ftp_cfg.h FTP_CFG_DEF_HASH 同源钉值(SHA256("adminadmin")) */
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#define DEF_HASH "d82494f05d6917ba02f7aaa29689ccb444bb73f20380876cb05d1f37537b7892"
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static const ftp_auth_creds_t s_creds = { "admin", DEF_HASH, 1u };
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/* ===================== TC-FA-001:user_match ===================== */
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static void tc_user_match(void)
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{
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CHECK(ftp_auth_user_match("admin", "admin") == 1, "TC-FA-001a 相等匹配");
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CHECK(ftp_auth_user_match("admin", "ADMIN") == 1, "TC-FA-001b 大小写不敏感");
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CHECK(ftp_auth_user_match("admin", "root") == 0, "TC-FA-001c 不等拒绝");
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CHECK(ftp_auth_user_match("admin", "admin2") == 0, "TC-FA-001d 前缀不算匹配");
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CHECK(ftp_auth_user_match("admin", NULL) == 0, "TC-FA-001e NULL 拒绝");
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}
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/* ===================== TC-FA-002..004:基本判定 ===================== */
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static void tc_basic(void)
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{
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ftp_auth_state_t st;
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(void)memset(&st, 0, sizeof(st));
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CHECK(ftp_auth_check(&s_creds, 1u, "admin", &st, 1000u) == FTP_AUTH_OK,
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"TC-FA-002 对用户名+对口令 → OK");
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CHECK(st.fail_count == 0u, "TC-FA-002b 成功后计数为 0");
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(void)memset(&st, 0, sizeof(st));
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CHECK(ftp_auth_check(&s_creds, 1u, "wrong", &st, 1000u) == FTP_AUTH_FAIL,
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"TC-FA-003 错口令 → FAIL");
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CHECK(st.fail_count == 1u, "TC-FA-003b 失败计数 1");
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(void)memset(&st, 0, sizeof(st));
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CHECK(ftp_auth_check(&s_creds, 0u, "admin", &st, 1000u) == FTP_AUTH_FAIL,
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"TC-FA-004 错用户名+对口令 → FAIL(哈希路径已走)");
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}
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/* ===================== TC-FA-005..006:锁定与解锁 ===================== */
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static void tc_lock(void)
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{
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ftp_auth_state_t st;
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uint32_t t = 10000u;
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(void)memset(&st, 0, sizeof(st));
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for (int i = 0; i < 5; i++) {
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CHECK(ftp_auth_check(&s_creds, 1u, "wrong", &st, t) == FTP_AUTH_FAIL,
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"TC-FA-005 第 1..5 次失败 → FAIL");
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}
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CHECK(st.fail_count == 5u, "TC-FA-005b 计数到达 FAIL_MAX");
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/* 锁定期内:对口令也 LOCKED,且不再计数 */
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CHECK(ftp_auth_check(&s_creds, 1u, "admin", &st, t + 1u) == FTP_AUTH_LOCKED,
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"TC-FA-005c 锁定期内对口令 → LOCKED");
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CHECK(st.fail_count == 5u, "TC-FA-005d LOCKED 不改变计数");
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/* 59999 tick:仍在窗内(差值 < 60000) */
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CHECK(ftp_auth_check(&s_creds, 1u, "admin", &st,
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st.lock_until_tick - 1u) == FTP_AUTH_LOCKED,
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"TC-FA-005e 窗内最后 1 tick 仍 LOCKED");
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/* 期满:恰好到达 lock_until → 放行 */
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CHECK(ftp_auth_check(&s_creds, 1u, "admin", &st,
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st.lock_until_tick) == FTP_AUTH_OK,
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"TC-FA-006 期满对口令 → OK");
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CHECK(st.fail_count == 0u, "TC-FA-006b 解锁成功后计数清零");
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}
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/* ===================== TC-FA-007:成功清零计数 ===================== */
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static void tc_reset(void)
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{
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ftp_auth_state_t st;
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uint32_t t = 5000u;
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(void)memset(&st, 0, sizeof(st));
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for (int i = 0; i < 3; i++) {
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(void)ftp_auth_check(&s_creds, 1u, "wrong", &st, t);
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}
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CHECK(ftp_auth_check(&s_creds, 1u, "admin", &st, t) == FTP_AUTH_OK,
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"TC-FA-007a 3 败后成功 → OK");
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CHECK(st.fail_count == 0u, "TC-FA-007b 成功清零");
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for (int i = 0; i < 4; i++) {
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CHECK(ftp_auth_check(&s_creds, 1u, "wrong", &st, t) == FTP_AUTH_FAIL,
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"TC-FA-007c 清零后再 4 败仍 FAIL(未锁)");
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}
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CHECK(ftp_auth_check(&s_creds, 1u, "wrong", &st, t) == FTP_AUTH_FAIL,
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"TC-FA-007d 第 5 败 FAIL 并上锁");
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CHECK(ftp_auth_check(&s_creds, 1u, "admin", &st, t + 1u) == FTP_AUTH_LOCKED,
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"TC-FA-007e 连续 5 败后 LOCKED");
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}
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/* ===================== TC-FA-008:tick 32 位回绕 ===================== */
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static void tc_wraparound(void)
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{
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ftp_auth_state_t st;
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/* 手工构造:锁定截止在 0xFFFFFFF0(距 32 位翻转仅 16 tick) */
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(void)memset(&st, 0, sizeof(st));
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st.fail_count = 5u;
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st.lock_until_tick = 0xFFFFFFF0u;
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/* 回绕前 240 tick:仍在窗内 */
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CHECK(ftp_auth_check(&s_creds, 1u, "admin", &st, 0xFFFFFF00u) == FTP_AUTH_LOCKED,
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"TC-FA-008a 回绕前窗内 → LOCKED");
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/* 回绕后 32 tick:now=0x10,(int32_t)(0x10-0xFFFFFFF0)=+32 → 期满 */
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CHECK(ftp_auth_check(&s_creds, 1u, "admin", &st, 0x00000010u) == FTP_AUTH_OK,
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"TC-FA-008b 回绕后期满 → OK(有符号差抗回绕)");
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}
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/* ===================== TC-FA-009..010:fail-closed 边界 ===================== */
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static void tc_fail_closed(void)
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{
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ftp_auth_state_t st;
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ftp_auth_creds_t bad_creds = { "admin", "zz2494f05d6917ba02f7aaa29689ccb444bb73f20380876cb05d1f37537b7892", 1u };
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(void)memset(&st, 0, sizeof(st));
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CHECK(ftp_auth_check(&bad_creds, 1u, "admin", &st, 1000u) == FTP_AUTH_FAIL,
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"TC-FA-009 非法 hex 配置 → 恒 FAIL(无人能登录,fail-closed)");
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(void)memset(&st, 0, sizeof(st));
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CHECK(ftp_auth_check(&s_creds, 1u, "", &st, 1000u) == FTP_AUTH_FAIL,
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"TC-FA-010a 空口令 → FAIL");
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CHECK(ftp_auth_check(&s_creds, 1u, NULL, &st, 1000u) == FTP_AUTH_FAIL,
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"TC-FA-010b NULL 口令 → FAIL");
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CHECK(ftp_auth_check(NULL, 1u, "admin", &st, 1000u) == FTP_AUTH_FAIL,
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"TC-FA-010c NULL creds → FAIL");
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CHECK(ftp_auth_check(&s_creds, 1u, "admin", NULL, 1000u) == FTP_AUTH_FAIL,
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"TC-FA-010d NULL state → FAIL");
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}
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/* ===================== main ===================== */
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int main(void)
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{
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printf("=== FTP Auth Tests ===\n");
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printf("-- user match --\n");
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tc_user_match();
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printf("-- basic check --\n");
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tc_basic();
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printf("-- lock / unlock --\n");
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tc_lock();
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printf("-- success reset --\n");
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tc_reset();
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printf("-- tick wraparound --\n");
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tc_wraparound();
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printf("-- fail-closed --\n");
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tc_fail_closed();
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printf("\n=== FTP Auth Tests: %d/%d PASSED (failed=%d) ===\n",
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s_passed, s_total, s_failed);
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return (s_failed == 0) ? 0 : 1;
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}
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@@ -0,0 +1,50 @@
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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""FTP 鉴权状态机(lftpd_auth)的主机侧单元测试运行器(L0.5,纯标准库)。
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做什么:
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用本机 MSVC 编译 test/host/ftp_auth/ftp_auth_test.c(它以 #include 纳入
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**生产源文件** Drivers/BSP/NET/lftpd/lftpd_auth.c 与 App/util/sha256.c),
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在 PC 上离线跑口令校验/失败计数/限时锁定/tick 回绕,失败即非 0 退出。
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零硬件、零烧录、毫秒级。
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工具链探测 / INCLUDE-LIB 拼接 / 编译运行 / 退出码判定全部委托给通用 harness
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`test/host/common/unit_test_harness.py`(本文件只做声明)。
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为什么要主机侧单测(而不是只用台架):
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锁定 60s / 解锁 / 成功清零 / tick 32 位回绕是"防口令爆破"契约核心,
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板端每验一条要真等 60s、回绕要跑满 49.7 天;lftpd_auth 的纯函数设计
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(tick 参数注入)正是为了让这些分支在主机侧毫秒级穷举。
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两被测模块零平台依赖,无需任何桩。
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用法(仓库根目录):
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python test/host/ftp_auth/run_unit_test.py
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或统一用 .venv: & '.venv\\Scripts\\python.exe' test/host/ftp_auth/run_unit_test.py
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退出码:0=PASS / 1=测试失败 / 2=环境错误(找不到编译器 / 编译失败 / 无汇总行)。
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设计依据:Drivers/BSP/NET/lftpd/lftpd_auth.h;创建日期:2026-10-11
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"""
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import os
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import sys
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HERE = os.path.dirname(os.path.abspath(__file__))
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ROOT = os.path.dirname(os.path.dirname(os.path.dirname(HERE)))
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# harness 位于 test/host/common/
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sys.path.insert(0, os.path.join(ROOT, "test", "host", "common"))
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from unit_test_harness import TestBuild, run_host_unit_test # noqa: E402
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BUILD = TestBuild(
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name="FTP Auth Tests",
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src=os.path.join(HERE, "ftp_auth_test.c"),
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include_dirs=[
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os.path.join(ROOT, "Drivers", "BSP", "NET", "lftpd"),
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os.path.join(ROOT, "App", "util"),
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HERE,
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],
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summary_marker="=== FTP Auth Tests:",
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)
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if __name__ == "__main__":
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sys.exit(run_host_unit_test(BUILD))
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Block a user