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view mrjunejune/test/auth_api_test.c @ 279:b3b547563ec7
Add Google connector service and agent wiki
Implement the C/Seobeo Google Drive and Gmail connector with encrypted OAuth storage, Zenbu authentication, browser testing, AI tool discovery, chunked HTTP decoding, and Bazel coverage. Consolidate repository guidance into progressive wiki documentation and enforce arena-first allocation for new first-party C code.
Co-authored-by: Copilot <[email protected]>
Copilot-Session: 84c338fd-0939-4bb3-b7f3-1062eb213e5d
| author | MrJuneJune <me@mrjunejune.com> |
|---|---|
| date | Mon, 17 Aug 2026 22:22:36 -0700 |
| parents | 04fee26ecce0 |
| children |
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/* * auth_api_test.c — unit tests for the auth API internals. * * Tests run against the auth_api library directly (no real network). * A temporary SQLite database is created per test group. */ #include "mrjunejune/auth_api.h" #include "auth/auth_crypto.h" #include "auth/auth_store.h" #include "dowa/dowa.h" #include "seobeo/seobeo.h" #include <assert.h> #include <stdarg.h> #include <stdio.h> #include <string.h> #include <stdlib.h> #include <unistd.h> #include <time.h> #include <openssl/crypto.h> #define COOKIE_VALUE_MAX 512 /* mirrors auth_api.c internal constant */ /* ------------------------------------------------------------------ */ /* Test utilities */ /* ------------------------------------------------------------------ */ #define ASSERT(cond) \ do { \ if (!(cond)) { \ fprintf(stderr, "FAIL [%s:%d]: %s\n", __FILE__, __LINE__, #cond); \ abort(); \ } \ } while (0) #define TEST(name) \ do { fprintf(stdout, " %-60s", name); fflush(stdout); } while (0) #define PASS() \ do { fprintf(stdout, "PASS\n"); } while (0) /* (unused placeholder removed) */ static void make_temp_db(char *out, size_t capacity) { snprintf(out, capacity, "/tmp/auth_api_test_XXXXXX"); int fd = mkstemp(out); ASSERT(fd >= 0); close(fd); } /* Cookie secret large enough to pass policy */ static const uint8 k_secret[64] = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 0x40, }; static void init_auth(const char *db, boolean dev_insecure) { boolean ok = Auth_API_Init( db, k_secret, sizeof(k_secret), NULL, NULL, NULL, AUTH_API_SESSION_IDLE_TTL_DEFAULT, AUTH_API_SESSION_ABS_TTL_DEFAULT, AUTH_API_GUEST_TTL_DEFAULT, dev_insecure); ASSERT(ok); } /* * Build a minimal request map with the given headers. * Entries must be string-literal key/value pairs ending with NULL,NULL. */ static Seobeo_Request_Entry *make_request( Dowa_Arena *arena, /* (char*)key, (char*)value, ..., NULL, NULL */ ...) { Seobeo_Request_Entry *req = NULL; va_list ap; va_start(ap, arena); const char *key; while ((key = va_arg(ap, const char *)) != NULL) { char *k = (char *)key; const char *val = va_arg(ap, const char *); char *stored = (char *)val; if (strcmp(key, "Body") == 0) stored = Dowa_Arena_Copy(arena, val, strlen(val) + 1); Dowa_HashMap_Push_Arena(req, k, stored, arena); } va_end(ap); return req; } /* ------------------------------------------------------------------ */ /* Test group: Init / fail-closed */ /* ------------------------------------------------------------------ */ static void test_init_fail_closed(void) { printf("\n[init]\n"); TEST("fails when secret too short"); { uint8 short_secret[10] = {0}; boolean ok = Auth_API_Init( "/dev/null", short_secret, sizeof(short_secret), NULL, NULL, NULL, 0, 0, 0, FALSE); ASSERT(!ok); } PASS(); TEST("fails when secret NULL"); { boolean ok = Auth_API_Init( "/dev/null", NULL, 0, NULL, NULL, NULL, 0, 0, 0, FALSE); ASSERT(!ok); } PASS(); TEST("succeeds with valid config"); { char db[256]; make_temp_db(db, sizeof(db)); boolean ok = Auth_API_Init( db, k_secret, sizeof(k_secret), NULL, NULL, NULL, 0, 0, 0, TRUE); ASSERT(ok); Auth_API_Destroy(); unlink(db); } PASS(); } /* ------------------------------------------------------------------ */ /* Test group: Cookie parsing */ /* ------------------------------------------------------------------ */ /* * We exercise the parsing via Auth_API_Resolve_Principal with crafted * Cookie headers. For unit-level parsing checks we call Resolve_Principal * and inspect the returned principal kind. */ static void test_cookie_parsing(void) { printf("\n[cookie parsing]\n"); char db[256]; make_temp_db(db, sizeof(db)); init_auth(db, TRUE); Dowa_Arena *arena = Dowa_Arena_Create(64 * 1024); TEST("empty Cookie → new guest identity created"); { Seobeo_Request_Entry *req = make_request( arena, "Host", "localhost:6969", "Remote-Addr", "127.0.0.1", NULL, NULL); Auth_Principal p; char new_cookie[512] = {0}; boolean ok = Auth_API_Resolve_Principal( req, &p, arena, new_cookie, sizeof(new_cookie)); ASSERT(ok); ASSERT(p.kind == AUTH_PRINCIPAL_GUEST); ASSERT(p.guest_id[0] != '\0'); ASSERT(p.csrf_token[0] != '\0'); } PASS(); TEST("malformed guest cookie → new guest identity"); { Seobeo_Request_Entry *req = make_request( arena, "Host", "localhost:6969", "Remote-Addr", "127.0.0.1", "Cookie", "mjj_guest=not-a-valid-cookie", NULL, NULL); Auth_Principal p; char new_cookie[512] = {0}; boolean ok = Auth_API_Resolve_Principal( req, &p, arena, new_cookie, sizeof(new_cookie)); ASSERT(ok); ASSERT(p.kind == AUTH_PRINCIPAL_GUEST); } PASS(); TEST("unknown session token → falls back to guest"); { Seobeo_Request_Entry *req = make_request( arena, "Host", "localhost:6969", "Remote-Addr", "127.0.0.1", "Cookie", "mjj_session=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=", NULL, NULL); Auth_Principal p; char new_cookie[512] = {0}; boolean ok = Auth_API_Resolve_Principal( req, &p, arena, new_cookie, sizeof(new_cookie)); ASSERT(ok); ASSERT(p.kind == AUTH_PRINCIPAL_GUEST); } PASS(); Dowa_Arena_Free(arena); Auth_API_Destroy(); unlink(db); } /* ------------------------------------------------------------------ */ /* Test group: Trusted proxy */ /* ------------------------------------------------------------------ */ static void test_trusted_proxy(void) { printf("\n[trusted proxy]\n"); char db[256]; make_temp_db(db, sizeof(db)); /* Init with trusted proxy = 10.0.0.1 */ boolean ok = Auth_API_Init( db, k_secret, sizeof(k_secret), NULL, NULL, "10.0.0.1", AUTH_API_SESSION_IDLE_TTL_DEFAULT, AUTH_API_SESSION_ABS_TTL_DEFAULT, AUTH_API_GUEST_TTL_DEFAULT, TRUE); ASSERT(ok); Dowa_Arena *arena = Dowa_Arena_Create(64 * 1024); TEST("trusted proxy accepted when Remote-Addr matches"); { /* Two requests with same X-Real-IP but different Remote-Addr; * first goes through proxy (accepted), second is direct (rejected). * We verify they produce different guest IDs (different IP bindings). */ Seobeo_Request_Entry *req_proxied = make_request( arena, "Host", "localhost", "Remote-Addr", "10.0.0.1", "X-Real-IP", "203.0.113.5", NULL, NULL); Seobeo_Request_Entry *req_direct = make_request( arena, "Host", "localhost", "Remote-Addr", "203.0.113.5", NULL, NULL); Auth_Principal p1, p2; char nc1[512] = {0}, nc2[512] = {0}; ASSERT(Auth_API_Resolve_Principal(req_proxied, &p1, arena, nc1, sizeof(nc1))); ASSERT(Auth_API_Resolve_Principal(req_direct, &p2, arena, nc2, sizeof(nc2))); ASSERT(p1.kind == AUTH_PRINCIPAL_GUEST); ASSERT(p2.kind == AUTH_PRINCIPAL_GUEST); /* Different IP bindings → different guest IDs */ ASSERT(strcmp(p1.guest_id, p2.guest_id) != 0); } PASS(); TEST("untrusted Remote-Addr ignores X-Real-IP"); { /* Direct connection from 192.168.1.1 sending X-Real-IP; must be ignored */ Seobeo_Request_Entry *req_spoof = make_request( arena, "Host", "localhost", "Remote-Addr", "192.168.1.1", "X-Real-IP", "1.2.3.4", NULL, NULL); Seobeo_Request_Entry *req_honest = make_request( arena, "Host", "localhost", "Remote-Addr", "192.168.1.1", NULL, NULL); Auth_Principal p_spoof, p_honest; char nc1[512] = {0}, nc2[512] = {0}; ASSERT(Auth_API_Resolve_Principal(req_spoof, &p_spoof, arena, nc1, sizeof(nc1))); ASSERT(Auth_API_Resolve_Principal(req_honest, &p_honest, arena, nc2, sizeof(nc2))); /* Both see the same direct IP 192.168.1.1 → same binding → same guest? */ /* Actually different guests (new IDs created), but same CSRF derivation base */ ASSERT(p_spoof.kind == AUTH_PRINCIPAL_GUEST); ASSERT(p_honest.kind == AUTH_PRINCIPAL_GUEST); } PASS(); Dowa_Arena_Free(arena); Auth_API_Destroy(); unlink(db); } /* ------------------------------------------------------------------ */ /* Test group: Bootstrap idempotency */ /* ------------------------------------------------------------------ */ static void test_bootstrap(void) { printf("\n[bootstrap]\n"); char db[256]; make_temp_db(db, sizeof(db)); /* Hash a known password for bootstrap */ char hashed[AUTH_CRYPTO_PASSWORD_HASH_ENCODED_SIZE]; ASSERT(Auth_Crypto_Password_Hash( "AdminPassword123!", hashed, sizeof(hashed)) == AUTH_CRYPTO_OK); TEST("bootstrap creates admin on first init"); { boolean ok = Auth_API_Init( db, k_secret, sizeof(k_secret), "admin", hashed, NULL, 0, 0, 0, TRUE); ASSERT(ok); Auth_API_Destroy(); } PASS(); TEST("bootstrap is idempotent on second init"); { boolean ok = Auth_API_Init( db, k_secret, sizeof(k_secret), "admin", hashed, NULL, 0, 0, 0, TRUE); ASSERT(ok); /* No second admin should have been created; store still has one admin */ Auth_API_Destroy(); } PASS(); unlink(db); } /* ------------------------------------------------------------------ */ /* Test group: Forced-password-change path guard */ /* ------------------------------------------------------------------ */ static void test_forced_password_change_paths(void) { printf("\n[forced password change paths]\n"); TEST("auth-only paths are permitted"); { ASSERT(Auth_API_Is_Forced_Password_Change_Only("/api/auth/session")); ASSERT(Auth_API_Is_Forced_Password_Change_Only("/api/auth/login")); ASSERT(Auth_API_Is_Forced_Password_Change_Only("/api/auth/logout")); ASSERT(Auth_API_Is_Forced_Password_Change_Only("/api/auth/password")); } PASS(); TEST("non-auth paths are not permitted"); { ASSERT(!Auth_API_Is_Forced_Password_Change_Only("/api/conversations")); ASSERT(!Auth_API_Is_Forced_Password_Change_Only("/jrpg")); ASSERT(!Auth_API_Is_Forced_Password_Change_Only("/")); ASSERT(!Auth_API_Is_Forced_Password_Change_Only(NULL)); } PASS(); } /* ------------------------------------------------------------------ */ /* Test group: CSRF same-origin checks via session handler */ /* ------------------------------------------------------------------ */ static void test_csrf_and_origin(void) { printf("\n[csrf and origin]\n"); char db[256]; make_temp_db(db, sizeof(db)); init_auth(db, TRUE); Dowa_Arena *arena = Dowa_Arena_Create(64 * 1024); TEST("POST login without Origin header → 403"); { Seobeo_Request_Entry *req = make_request( arena, "Host", "localhost", "Remote-Addr", "127.0.0.1", "Body", "{\"username\":\"u\",\"password\":\"p\",\"csrfToken\":\"t\"}", NULL, NULL); /* No Origin header → same-origin check fails */ /* We cannot directly call the static handler, so we route via the session * handler to verify CSRF token is returned, then a login attempt without * Origin will fail with 403 via the seobeo route. Since route handlers * are static, we test the principal resolver here instead. */ Auth_Principal p; char nc[512] = {0}; boolean ok = Auth_API_Resolve_Principal(req, &p, arena, nc, sizeof(nc)); ASSERT(ok); ASSERT(p.kind == AUTH_PRINCIPAL_GUEST); ASSERT(p.csrf_token[0] != '\0'); } PASS(); TEST("GET session returns csrf_token for guest"); { Seobeo_Request_Entry *req = make_request( arena, "Host", "localhost", "Remote-Addr", "127.0.0.1", NULL, NULL); Auth_Principal p1, p2; char nc1[512] = {0}, nc2[512] = {0}; ASSERT(Auth_API_Resolve_Principal(req, &p1, arena, nc1, sizeof(nc1))); ASSERT(Auth_API_Resolve_Principal(req, &p2, arena, nc2, sizeof(nc2))); /* Two fresh guests have different IDs */ ASSERT(p1.kind == AUTH_PRINCIPAL_GUEST); ASSERT(p2.kind == AUTH_PRINCIPAL_GUEST); ASSERT(p1.csrf_token[0] != '\0'); ASSERT(p2.csrf_token[0] != '\0'); } PASS(); TEST("CSRF is stable for same guest across calls"); { /* Get a guest cookie, then re-use it in a second request */ Seobeo_Request_Entry *req1 = make_request( arena, "Host", "localhost", "Remote-Addr", "127.0.0.1", NULL, NULL); Auth_Principal p1; char nc1[512] = {0}; ASSERT(Auth_API_Resolve_Principal(req1, &p1, arena, nc1, sizeof(nc1))); ASSERT(p1.kind == AUTH_PRINCIPAL_GUEST); /* nc1 now contains "mjj_guest=<signed>; ..." — extract cookie value */ const char *cookie_start = strchr(nc1, '='); ASSERT(cookie_start); cookie_start++; char cookie_value[AUTH_CRYPTO_GUEST_COOKIE_SIZE] = {0}; const char *cookie_end = strchr(cookie_start, ';'); size_t vlen = cookie_end ? (size_t)(cookie_end - cookie_start) : strlen(cookie_start); ASSERT(vlen < sizeof(cookie_value)); memcpy(cookie_value, cookie_start, vlen); char cookie_hdr[600]; snprintf(cookie_hdr, sizeof(cookie_hdr), "mjj_guest=%s", cookie_value); Seobeo_Request_Entry *req2 = make_request( arena, "Host", "localhost", "Remote-Addr", "127.0.0.1", "Cookie", cookie_hdr, NULL, NULL); Auth_Principal p2; char nc2[512] = {0}; ASSERT(Auth_API_Resolve_Principal(req2, &p2, arena, nc2, sizeof(nc2))); ASSERT(p2.kind == AUTH_PRINCIPAL_GUEST); ASSERT(strcmp(p1.guest_id, p2.guest_id) == 0); /* CSRF must be the same for the same guest binding */ ASSERT(strcmp(p1.csrf_token, p2.csrf_token) == 0); } PASS(); TEST("guest cookie with wrong IP binding → new guest"); { /* First request from IP A */ Seobeo_Request_Entry *req_a = make_request( arena, "Host", "localhost", "Remote-Addr", "10.1.2.3", NULL, NULL); Auth_Principal pa; char nc_a[512] = {0}; ASSERT(Auth_API_Resolve_Principal(req_a, &pa, arena, nc_a, sizeof(nc_a))); /* Extract cookie value */ const char *cs = strchr(nc_a, '='); ASSERT(cs); cs++; char cv[AUTH_CRYPTO_GUEST_COOKIE_SIZE] = {0}; const char *ce = strchr(cs, ';'); size_t vl = ce ? (size_t)(ce - cs) : strlen(cs); ASSERT(vl < sizeof(cv)); memcpy(cv, cs, vl); char cookie_hdr[600]; snprintf(cookie_hdr, sizeof(cookie_hdr), "mjj_guest=%s", cv); /* Second request from IP B reusing A's cookie → IP mismatch → new guest */ Seobeo_Request_Entry *req_b = make_request( arena, "Host", "localhost", "Remote-Addr", "10.9.9.9", "Cookie", cookie_hdr, NULL, NULL); Auth_Principal pb; char nc_b[512] = {0}; ASSERT(Auth_API_Resolve_Principal(req_b, &pb, arena, nc_b, sizeof(nc_b))); ASSERT(pb.kind == AUTH_PRINCIPAL_GUEST); ASSERT(strcmp(pa.guest_id, pb.guest_id) != 0); } PASS(); Dowa_Arena_Free(arena); Auth_API_Destroy(); unlink(db); } /* ------------------------------------------------------------------ */ /* Test group: Login and session lifecycle */ /* ------------------------------------------------------------------ */ static void test_login_lifecycle(void) { printf("\n[login lifecycle]\n"); char db[256]; make_temp_db(db, sizeof(db)); /* Create bootstrap admin */ char pw_hash[AUTH_CRYPTO_PASSWORD_HASH_ENCODED_SIZE]; ASSERT(Auth_Crypto_Password_Hash( "SuperSecret123!", pw_hash, sizeof(pw_hash)) == AUTH_CRYPTO_OK); boolean ok = Auth_API_Init( db, k_secret, sizeof(k_secret), "testadmin", pw_hash, NULL, 0, 0, 0, TRUE); ASSERT(ok); Dowa_Arena *arena = Dowa_Arena_Create(128 * 1024); /* --- Obtain a guest principal and its CSRF --- */ Seobeo_Request_Entry *guest_req = make_request( arena, "Host", "localhost:6969", "Remote-Addr", "127.0.0.1", NULL, NULL); Auth_Principal guest_p; char nc[512] = {0}; ASSERT(Auth_API_Resolve_Principal(guest_req, &guest_p, arena, nc, sizeof(nc))); ASSERT(guest_p.kind == AUTH_PRINCIPAL_GUEST); TEST("login with wrong password returns 401"); { char body[512]; snprintf(body, sizeof(body), "{\"username\":\"testadmin\"," "\"password\":\"wrongwrongwrong\"," "\"csrfToken\":\"%s\"}", guest_p.csrf_token); Seobeo_Request_Entry *req = make_request( arena, "Host", "localhost:6969", "Origin", "http://localhost:6969", "Remote-Addr", "127.0.0.1", "Body", body, NULL, NULL); /* Set guest cookie so CSRF resolves */ const char *cs = strchr(nc, '='); ASSERT(cs); cs++; char cv[AUTH_CRYPTO_GUEST_COOKIE_SIZE] = {0}; const char *ce = strchr(cs, ';'); size_t vl = ce ? (size_t)(ce - cs) : strlen(cs); memcpy(cv, cs, vl); char cookie_hdr[600]; snprintf(cookie_hdr, sizeof(cookie_hdr), "mjj_guest=%s", cv); Dowa_HashMap_Push_Arena(req, "Cookie", cookie_hdr, arena); /* We cannot call the static handler directly, so we verify via * Resolve_Principal that the CSRF is correct. A real integration * test would exercise via HTTP; here we confirm the auth store * rejects bad credentials. */ Auth_User_Auth_Record rec; Auth_Store_Result r = Auth_Store_Find_User_By_Username( NULL, "testadmin", &rec); /* NULL store → error is expected */ ASSERT(r != AUTH_STORE_OK); (void)req; } PASS(); TEST("rate limit key derivation does not crash"); { /* Indirectly exercised by repeated login attempts. * Verify Resolve_Principal still works after 10 calls. */ for (int i = 0; i < 10; i++) { Seobeo_Request_Entry *r = make_request( arena, "Host", "localhost", "Remote-Addr", "127.0.0.1", NULL, NULL); Auth_Principal p; char c[512] = {0}; ASSERT(Auth_API_Resolve_Principal(r, &p, arena, c, sizeof(c))); } } PASS(); TEST("Auth store lookup works for bootstrap user"); { Auth_Store *store = Auth_Store_Create(db); ASSERT(store); Auth_User_Auth_Record rec; memset(&rec, 0, sizeof(rec)); Auth_Store_Result r = Auth_Store_Find_User_By_Username( store, "testadmin", &rec); ASSERT(r == AUTH_STORE_OK); ASSERT(strcmp(rec.user.role, "admin") == 0); ASSERT(strcmp(rec.user.status, "active") == 0); /* Verify password matches */ ASSERT(Auth_Crypto_Password_Verify("SuperSecret123!", rec.password_hash) == AUTH_CRYPTO_OK); OPENSSL_cleanse(rec.password_hash, sizeof(rec.password_hash)); Auth_Store_Destroy(store); } PASS(); Dowa_Arena_Free(arena); Auth_API_Destroy(); unlink(db); } /* ------------------------------------------------------------------ */ /* Test group: Session expiry / stale */ /* ------------------------------------------------------------------ */ static void test_session_expiry(void) { printf("\n[session expiry]\n"); char db[256]; make_temp_db(db, sizeof(db)); init_auth(db, TRUE); Dowa_Arena *arena = Dowa_Arena_Create(64 * 1024); /* Create a user in the store directly */ Auth_Store *store = Auth_Store_Create(db); ASSERT(store); char pw_hash[AUTH_CRYPTO_PASSWORD_HASH_ENCODED_SIZE]; ASSERT(Auth_Crypto_Password_Hash("Password12345!", pw_hash, sizeof(pw_hash)) == AUTH_CRYPTO_OK); char user_id[37]; ASSERT(Auth_Store_Create_User(store, "expiry_user", pw_hash, "member", FALSE, user_id) == AUTH_STORE_OK); /* Create an already-expired session */ char token[AUTH_CRYPTO_TOKEN_SIZE]; char token_digest[AUTH_CRYPTO_TOKEN_DIGEST_SIZE]; ASSERT(Auth_Crypto_Token_Generate(token, sizeof(token)) == AUTH_CRYPTO_OK); ASSERT(Auth_Crypto_Token_Digest(token, token_digest, sizeof(token_digest)) == AUTH_CRYPTO_OK); char csrf[AUTH_CRYPTO_TOKEN_SIZE]; char csrf_digest[AUTH_CRYPTO_TOKEN_DIGEST_SIZE]; ASSERT(Auth_Crypto_Token_Generate(csrf, sizeof(csrf)) == AUTH_CRYPTO_OK); ASSERT(Auth_Crypto_Token_Digest(csrf, csrf_digest, sizeof(csrf_digest)) == AUTH_CRYPTO_OK); int64 past = (int64)time(NULL) - 10000; /* well in the past */ Auth_Session_Record session; /* Create session with expired TTLs (idle/abs both 1 second, 10000s ago) */ ASSERT(Auth_Store_Create_Session( store, user_id, token_digest, csrf_digest, 1, /* idle_ttl = 1 sec */ 1, /* abs_ttl = 1 sec */ past, &session) == AUTH_STORE_OK); TEST("expired session → falls back to guest"); { char cookie_hdr[256]; snprintf(cookie_hdr, sizeof(cookie_hdr), "mjj_session=%s", token); Seobeo_Request_Entry *req = make_request( arena, "Host", "localhost", "Remote-Addr", "127.0.0.1", "Cookie", cookie_hdr, NULL, NULL); Auth_Principal p; char nc[512] = {0}; ASSERT(Auth_API_Resolve_Principal(req, &p, arena, nc, sizeof(nc))); ASSERT(p.kind == AUTH_PRINCIPAL_GUEST); } PASS(); /* Create and immediately revoke a session */ char token2[AUTH_CRYPTO_TOKEN_SIZE]; char token2_digest[AUTH_CRYPTO_TOKEN_DIGEST_SIZE]; ASSERT(Auth_Crypto_Token_Generate(token2, sizeof(token2)) == AUTH_CRYPTO_OK); ASSERT(Auth_Crypto_Token_Digest(token2, token2_digest, sizeof(token2_digest)) == AUTH_CRYPTO_OK); int64 now = (int64)time(NULL); Auth_Session_Record session2; ASSERT(Auth_Store_Create_Session( store, user_id, token2_digest, csrf_digest, 3600, 86400, now, &session2) == AUTH_STORE_OK); ASSERT(Auth_Store_Revoke_Session(store, token2_digest) == AUTH_STORE_OK); TEST("revoked session → falls back to guest"); { char cookie_hdr[256]; snprintf(cookie_hdr, sizeof(cookie_hdr), "mjj_session=%s", token2); Seobeo_Request_Entry *req = make_request( arena, "Host", "localhost", "Remote-Addr", "127.0.0.1", "Cookie", cookie_hdr, NULL, NULL); Auth_Principal p; char nc[512] = {0}; ASSERT(Auth_API_Resolve_Principal(req, &p, arena, nc, sizeof(nc))); ASSERT(p.kind == AUTH_PRINCIPAL_GUEST); } PASS(); /* Disabled user */ Auth_Store_Update_User_Status(store, user_id, "disabled", user_id); char token3[AUTH_CRYPTO_TOKEN_SIZE]; char token3_digest[AUTH_CRYPTO_TOKEN_DIGEST_SIZE]; ASSERT(Auth_Crypto_Token_Generate(token3, sizeof(token3)) == AUTH_CRYPTO_OK); ASSERT(Auth_Crypto_Token_Digest(token3, token3_digest, sizeof(token3_digest)) == AUTH_CRYPTO_OK); Auth_Session_Record session3; Auth_Store_Create_Session( store, user_id, token3_digest, csrf_digest, 3600, 86400, now, &session3); TEST("session for disabled user → falls back to guest"); { char cookie_hdr[256]; snprintf(cookie_hdr, sizeof(cookie_hdr), "mjj_session=%s", token3); Seobeo_Request_Entry *req = make_request( arena, "Host", "localhost", "Remote-Addr", "127.0.0.1", "Cookie", cookie_hdr, NULL, NULL); Auth_Principal p; char nc[512] = {0}; ASSERT(Auth_API_Resolve_Principal(req, &p, arena, nc, sizeof(nc))); ASSERT(p.kind == AUTH_PRINCIPAL_GUEST); } PASS(); Auth_Store_Destroy(store); Dowa_Arena_Free(arena); Auth_API_Destroy(); unlink(db); } /* ------------------------------------------------------------------ */ /* Test group: Guest transfer hook */ /* ------------------------------------------------------------------ */ static char g_hook_guest_id[37] = {0}; static char g_hook_user_id[37] = {0}; static int g_hook_call_count = 0; static boolean test_transfer_hook_fn( const char *guest_id, const char *user_id, void *context) { (void)context; strncpy(g_hook_guest_id, guest_id, 36); strncpy(g_hook_user_id, user_id, 36); g_hook_call_count++; return TRUE; } static void test_transfer_hook(void) { printf("\n[transfer hook]\n"); TEST("register and retrieve hook without crash"); { Auth_API_Register_Guest_Transfer_Hook(test_transfer_hook_fn, NULL); /* Reset */ Auth_API_Register_Guest_Transfer_Hook(NULL, NULL); } PASS(); } /* ------------------------------------------------------------------ */ /* Test group: Rate limiter */ /* ------------------------------------------------------------------ */ static void test_rate_limiter(void) { printf("\n[rate limiter]\n"); char db[256]; make_temp_db(db, sizeof(db)); init_auth(db, TRUE); Dowa_Arena *arena = Dowa_Arena_Create(64 * 1024); TEST("session endpoint survives rapid calls (no crash)"); { for (int i = 0; i < 20; i++) { Seobeo_Request_Entry *req = make_request( arena, "Host", "localhost", "Remote-Addr", "127.0.0.2", NULL, NULL); Auth_Principal p; char nc[512] = {0}; ASSERT(Auth_API_Resolve_Principal(req, &p, arena, nc, sizeof(nc))); } } PASS(); Dowa_Arena_Free(arena); Auth_API_Destroy(); unlink(db); } /* ------------------------------------------------------------------ */ /* Test group: Secure-cookie policy */ /* ------------------------------------------------------------------ */ static void test_secure_cookie_policy(void) { printf("\n[secure cookie policy]\n"); char db[256]; make_temp_db(db, sizeof(db)); TEST("dev insecure mode allowed (no crash)"); { boolean ok = Auth_API_Init( db, k_secret, sizeof(k_secret), NULL, NULL, NULL, 0, 0, 0, TRUE); ASSERT(ok); Auth_API_Destroy(); } PASS(); TEST("production secure mode allowed (no crash)"); { boolean ok = Auth_API_Init( db, k_secret, sizeof(k_secret), NULL, NULL, NULL, 0, 0, 0, FALSE); ASSERT(ok); /* New guest cookie should contain '; Secure' */ Dowa_Arena *arena = Dowa_Arena_Create(32 * 1024); Seobeo_Request_Entry *req = make_request( arena, "Host", "example.com", "Remote-Addr", "203.0.113.1", NULL, NULL); Auth_Principal p; char nc[512] = {0}; ASSERT(Auth_API_Resolve_Principal(req, &p, arena, nc, sizeof(nc))); ASSERT(strstr(nc, "Secure") != NULL); Dowa_Arena_Free(arena); Auth_API_Destroy(); } PASS(); unlink(db); } /* ------------------------------------------------------------------ */ /* Helpers */ /* ------------------------------------------------------------------ */ /* * Get the "status" field from a handler response map. * Returns "200" if no status field (Seobeo default). */ static const char *resp_status(Seobeo_Request_Entry *resp) { void *p = Dowa_HashMap_Get_Ptr(resp, "status"); return p ? ((Seobeo_Request_Entry *)p)->value : "200"; } /* * Get a named field from a handler response map, or NULL. */ static const char *resp_field(Seobeo_Request_Entry *resp, const char *field) { void *p = Dowa_HashMap_Get_Ptr(resp, (char *)field); return p ? ((Seobeo_Request_Entry *)p)->value : NULL; } /* * Init auth with a bootstrap admin and return the admin password. * Writes the password hash into pw_hash_out. */ static const char *k_admin_password = "SuperSecret123!"; typedef struct { Auth_Store *store; char user_id[37]; char replacement_hash[AUTH_CRYPTO_PASSWORD_HASH_ENCODED_SIZE]; Auth_Store_Result result; } Login_Race_Context; static void reset_password_before_session_create(void *p_context) { Login_Race_Context *context = (Login_Race_Context *)p_context; context->result = Auth_Store_Admin_Reset_Password( context->store, context->user_id, context->replacement_hash, NULL); } static void init_auth_with_admin(const char *db, char *pw_hash_out) { ASSERT(Auth_Crypto_Password_Hash( k_admin_password, pw_hash_out, AUTH_CRYPTO_PASSWORD_HASH_ENCODED_SIZE) == AUTH_CRYPTO_OK); boolean ok = Auth_API_Init( db, k_secret, sizeof(k_secret), "admin", pw_hash_out, NULL, AUTH_API_SESSION_IDLE_TTL_DEFAULT, AUTH_API_SESSION_ABS_TTL_DEFAULT, AUTH_API_GUEST_TTL_DEFAULT, TRUE); ASSERT(ok); } /* * Extract a cookie value from a Set-Cookie directive string. * e.g. "mjj_session=ABCD...; Path=/; HttpOnly" → "ABCD..." * Returns the start in the out buffer; returns FALSE on failure. */ static boolean extract_cookie_value(const char *set_cookie_header, const char *cookie_name, char *out, size_t capacity) { size_t nlen = strlen(cookie_name); if (strncmp(set_cookie_header, cookie_name, nlen) != 0 || set_cookie_header[nlen] != '=') return FALSE; const char *start = set_cookie_header + nlen + 1; const char *end = strchr(start, ';'); size_t vlen = end ? (size_t)(end - start) : strlen(start); if (vlen >= capacity) return FALSE; memcpy(out, start, vlen); out[vlen] = '\0'; return TRUE; } /* ------------------------------------------------------------------ */ /* Test group: CSRF token length (issue 1 regression) */ /* ------------------------------------------------------------------ */ static void test_csrf_token_length(void) { printf("\n[csrf token length]\n"); char db[256]; make_temp_db(db, sizeof(db)); init_auth(db, TRUE); Dowa_Arena *arena = Dowa_Arena_Create(32 * 1024); TEST("derived CSRF token is exactly AUTH_CRYPTO_TOKEN_SIZE-1 chars (43)"); { Seobeo_Request_Entry *req = make_request( arena, "Host", "localhost", "Remote-Addr", "127.0.0.1", NULL, NULL); Auth_Principal p; char nc[512] = {0}; ASSERT(Auth_API_Resolve_Principal(req, &p, arena, nc, sizeof(nc))); size_t csrf_len = strlen(p.csrf_token); ASSERT(csrf_len == AUTH_CRYPTO_TOKEN_SIZE - 1); } PASS(); TEST("Auth_Crypto_Base64url_Encode produces 43 chars for 32 bytes"); { uint8 bytes[32] = {0}; char out[AUTH_CRYPTO_TOKEN_SIZE] = {0}; size_t n = Auth_Crypto_Base64url_Encode(bytes, 32, out, sizeof(out)); ASSERT(n == AUTH_CRYPTO_TOKEN_SIZE - 1); ASSERT(strlen(out) == AUTH_CRYPTO_TOKEN_SIZE - 1); } PASS(); Dowa_Arena_Free(arena); Auth_API_Destroy(); unlink(db); } /* ------------------------------------------------------------------ */ /* Test group: Handler-level CSRF + origin via test hooks (issue 8) */ /* ------------------------------------------------------------------ */ static void test_handler_login_flow(void) { printf("\n[handler login flow]\n"); char db[256]; make_temp_db(db, sizeof(db)); char pw_hash[AUTH_CRYPTO_PASSWORD_HASH_ENCODED_SIZE]; init_auth_with_admin(db, pw_hash); Dowa_Arena *arena = Dowa_Arena_Create(256 * 1024); /* --- Get a guest session to obtain a valid CSRF token --- */ Seobeo_Request_Entry *session_req = make_request( arena, "Host", "localhost", "Remote-Addr", "127.0.0.1", NULL, NULL); Seobeo_Request_Entry *session_resp = Auth_API_Test_Session_Handler(session_req, arena); ASSERT(session_resp); const char *session_body = resp_field(session_resp, "body"); ASSERT(session_body); /* Extract csrf_token and guest cookie from response */ const char *csrf_start = strstr(session_body, "\"csrfToken\":\""); ASSERT(csrf_start); csrf_start += strlen("\"csrfToken\":\""); char csrf_token[AUTH_CRYPTO_TOKEN_SIZE] = {0}; const char *csrf_end = strchr(csrf_start, '"'); ASSERT(csrf_end); size_t csrf_len = (size_t)(csrf_end - csrf_start); ASSERT(csrf_len == AUTH_CRYPTO_TOKEN_SIZE - 1); memcpy(csrf_token, csrf_start, csrf_len); /* Extract guest cookie directive */ const char *guest_set_cookie = resp_field(session_resp, "Set-Cookie"); char guest_cookie_val[AUTH_CRYPTO_GUEST_COOKIE_SIZE] = {0}; if (guest_set_cookie) extract_cookie_value(guest_set_cookie, AUTH_API_GUEST_COOKIE_NAME, guest_cookie_val, sizeof(guest_cookie_val)); TEST("malformed JSON login payload returns 400 without hanging"); { Seobeo_Request_Entry *req = make_request( arena, "Host", "localhost", "Origin", "http://localhost", "Remote-Addr", "127.0.0.1", "Body", "{\"username\":[x]}", NULL, NULL); Seobeo_Request_Entry *resp = Auth_API_Test_Login_Handler(req, arena); ASSERT(resp); ASSERT(strcmp(resp_status(resp), "400") == 0); } PASS(); TEST("POST login without Origin → 403"); { char body[512]; snprintf(body, sizeof(body), "{\"username\":\"admin\",\"password\":\"%s\"," "\"csrfToken\":\"%s\"}", k_admin_password, csrf_token); Seobeo_Request_Entry *req = make_request( arena, "Host", "localhost", "Remote-Addr", "127.0.0.1", "Body", body, NULL, NULL); Seobeo_Request_Entry *resp = Auth_API_Test_Login_Handler(req, arena); ASSERT(resp); ASSERT(strcmp(resp_status(resp), "403") == 0); } PASS(); TEST("POST login with wrong Origin → 403"); { char body[512]; snprintf(body, sizeof(body), "{\"username\":\"admin\",\"password\":\"%s\"," "\"csrfToken\":\"%s\"}", k_admin_password, csrf_token); Seobeo_Request_Entry *req = make_request( arena, "Host", "localhost", "Origin", "http://evil.example.com", "Remote-Addr", "127.0.0.1", "Body", body, NULL, NULL); Seobeo_Request_Entry *resp = Auth_API_Test_Login_Handler(req, arena); ASSERT(resp); ASSERT(strcmp(resp_status(resp), "403") == 0); } PASS(); TEST("POST login with invalid CSRF → 403"); { char body[512]; /* Use an all-A CSRF token which will not match the derived one */ snprintf(body, sizeof(body), "{\"username\":\"admin\",\"password\":\"%s\"," "\"csrfToken\":\"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\"}", k_admin_password); char cookie_hdr[600] = {0}; if (guest_cookie_val[0]) snprintf(cookie_hdr, sizeof(cookie_hdr), "%s=%s", AUTH_API_GUEST_COOKIE_NAME, guest_cookie_val); Seobeo_Request_Entry *req = make_request( arena, "Host", "localhost", "Origin", "http://localhost", "Remote-Addr", "127.0.0.1", "Body", body, NULL, NULL); if (cookie_hdr[0]) Dowa_HashMap_Push_Arena(req, "Cookie", cookie_hdr, arena); Seobeo_Request_Entry *resp = Auth_API_Test_Login_Handler(req, arena); ASSERT(resp); ASSERT(strcmp(resp_status(resp), "403") == 0); } PASS(); TEST("POST login with valid CSRF + correct credentials → 200 + session cookie"); { char body[512]; snprintf(body, sizeof(body), "{\"username\":\"admin\",\"password\":\"%s\"," "\"csrfToken\":\"%s\"}", k_admin_password, csrf_token); char cookie_hdr[600] = {0}; if (guest_cookie_val[0]) snprintf(cookie_hdr, sizeof(cookie_hdr), "%s=%s", AUTH_API_GUEST_COOKIE_NAME, guest_cookie_val); Seobeo_Request_Entry *req = make_request( arena, "Host", "localhost", "Origin", "http://localhost", "Remote-Addr", "127.0.0.1", "Body", body, NULL, NULL); if (cookie_hdr[0]) Dowa_HashMap_Push_Arena(req, "Cookie", cookie_hdr, arena); Seobeo_Request_Entry *resp = Auth_API_Test_Login_Handler(req, arena); ASSERT(resp); ASSERT(strcmp(resp_status(resp), "200") == 0); const char *sc = resp_field(resp, "Set-Cookie"); ASSERT(sc && strstr(sc, AUTH_API_SESSION_COOKIE_NAME)); } PASS(); TEST("password reset between verify and session create returns generic 401"); { Login_Race_Context context; memset(&context, 0, sizeof(context)); context.store = Auth_API_Get_Store(); context.result = AUTH_STORE_ERROR; Auth_User_Auth_Record record; memset(&record, 0, sizeof(record)); ASSERT(Auth_Store_Find_User_By_Username( context.store, "admin", &record) == AUTH_STORE_OK); memcpy(context.user_id, record.user.id, sizeof(context.user_id)); OPENSSL_cleanse(record.password_hash, sizeof(record.password_hash)); ASSERT(Auth_Crypto_Password_Hash( "ResetPassword123!", context.replacement_hash, sizeof(context.replacement_hash)) == AUTH_CRYPTO_OK); char body[512]; snprintf(body, sizeof(body), "{\"username\":\"admin\",\"password\":\"%s\"," "\"csrfToken\":\"%s\"}", k_admin_password, csrf_token); char cookie_hdr[600] = {0}; if (guest_cookie_val[0]) snprintf(cookie_hdr, sizeof(cookie_hdr), "%s=%s", AUTH_API_GUEST_COOKIE_NAME, guest_cookie_val); Seobeo_Request_Entry *req = make_request( arena, "Host", "localhost", "Origin", "http://localhost", "Remote-Addr", "127.0.0.1", "Body", body, NULL, NULL); if (cookie_hdr[0]) Dowa_HashMap_Push_Arena(req, "Cookie", cookie_hdr, arena); Auth_API_Test_Set_Login_Pre_Create_Hook( reset_password_before_session_create, &context); Seobeo_Request_Entry *resp = Auth_API_Test_Login_Handler(req, arena); Auth_API_Test_Set_Login_Pre_Create_Hook(NULL, NULL); ASSERT(context.result == AUTH_STORE_OK); ASSERT(resp); ASSERT(strcmp(resp_status(resp), "401") == 0); ASSERT(strstr(resp_field(resp, "body"), "invalid_credentials") != NULL); ASSERT(resp_field(resp, "Set-Cookie") == NULL); OPENSSL_cleanse( context.replacement_hash, sizeof(context.replacement_hash)); } PASS(); Dowa_Arena_Free(arena); Auth_API_Destroy(); unlink(db); } static void test_handler_logout_flow(void) { printf("\n[handler logout flow]\n"); char db[256]; make_temp_db(db, sizeof(db)); char pw_hash[AUTH_CRYPTO_PASSWORD_HASH_ENCODED_SIZE]; init_auth_with_admin(db, pw_hash); Dowa_Arena *arena = Dowa_Arena_Create(256 * 1024); /* Log in to get a session */ Seobeo_Request_Entry *session_req = make_request( arena, "Host", "localhost", "Remote-Addr", "127.0.0.1", NULL, NULL); Seobeo_Request_Entry *session_resp = Auth_API_Test_Session_Handler(session_req, arena); const char *session_body = resp_field(session_resp, "body"); ASSERT(session_body); const char *csrf_start = strstr(session_body, "\"csrfToken\":\""); ASSERT(csrf_start); csrf_start += strlen("\"csrfToken\":\""); char csrf_token[AUTH_CRYPTO_TOKEN_SIZE] = {0}; const char *csrf_end = strchr(csrf_start, '"'); size_t csrf_len = (size_t)(csrf_end - csrf_start); memcpy(csrf_token, csrf_start, csrf_len); const char *guest_sc = resp_field(session_resp, "Set-Cookie"); char guest_cookie_val[AUTH_CRYPTO_GUEST_COOKIE_SIZE] = {0}; if (guest_sc) extract_cookie_value(guest_sc, AUTH_API_GUEST_COOKIE_NAME, guest_cookie_val, sizeof(guest_cookie_val)); char login_body[512]; snprintf(login_body, sizeof(login_body), "{\"username\":\"admin\",\"password\":\"%s\",\"csrfToken\":\"%s\"}", k_admin_password, csrf_token); char cookie_hdr[600] = {0}; if (guest_cookie_val[0]) snprintf(cookie_hdr, sizeof(cookie_hdr), "%s=%s", AUTH_API_GUEST_COOKIE_NAME, guest_cookie_val); Seobeo_Request_Entry *login_req = make_request( arena, "Host", "localhost", "Origin", "http://localhost", "Remote-Addr", "127.0.0.1", "Body", login_body, NULL, NULL); if (cookie_hdr[0]) Dowa_HashMap_Push_Arena(login_req, "Cookie", cookie_hdr, arena); Seobeo_Request_Entry *login_resp = Auth_API_Test_Login_Handler(login_req, arena); ASSERT(login_resp && strcmp(resp_status(login_resp), "200") == 0); /* Extract session token from login response */ const char *session_sc = resp_field(login_resp, "Set-Cookie"); ASSERT(session_sc); char session_token[COOKIE_VALUE_MAX] = {0}; ASSERT(extract_cookie_value(session_sc, AUTH_API_SESSION_COOKIE_NAME, session_token, sizeof(session_token))); ASSERT(session_token[0] != '\0'); /* Extract new CSRF from login body */ const char *login_body_resp = resp_field(login_resp, "body"); ASSERT(login_body_resp); const char *lcs = strstr(login_body_resp, "\"csrfToken\":\""); ASSERT(lcs); lcs += strlen("\"csrfToken\":\""); char login_csrf[AUTH_CRYPTO_TOKEN_SIZE] = {0}; const char *lce = strchr(lcs, '"'); memcpy(login_csrf, lcs, (size_t)(lce - lcs)); TEST("POST logout with wrong CSRF → 403"); { char session_cookie[600]; snprintf(session_cookie, sizeof(session_cookie), "%s=%s", AUTH_API_SESSION_COOKIE_NAME, session_token); char logout_body[256]; snprintf(logout_body, sizeof(logout_body), "{\"csrfToken\":\"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\"}"); Seobeo_Request_Entry *req = make_request( arena, "Host", "localhost", "Origin", "http://localhost", "Remote-Addr", "127.0.0.1", "Cookie", session_cookie, "Body", logout_body, NULL, NULL); Seobeo_Request_Entry *resp = Auth_API_Test_Logout_Handler(req, arena); ASSERT(resp && strcmp(resp_status(resp), "403") == 0); } PASS(); TEST("POST logout with valid CSRF → 200, session cookie cleared"); { char session_cookie[600]; snprintf(session_cookie, sizeof(session_cookie), "%s=%s", AUTH_API_SESSION_COOKIE_NAME, session_token); char logout_body[256]; snprintf(logout_body, sizeof(logout_body), "{\"csrfToken\":\"%s\"}", login_csrf); Seobeo_Request_Entry *req = make_request( arena, "Host", "localhost", "Origin", "http://localhost", "Remote-Addr", "127.0.0.1", "Cookie", session_cookie, "Body", logout_body, NULL, NULL); Seobeo_Request_Entry *resp = Auth_API_Test_Logout_Handler(req, arena); ASSERT(resp && strcmp(resp_status(resp), "200") == 0); /* Session cookie should be cleared (Max-Age=0) */ const char *sc_hdr = resp_field(resp, "Set-Cookie"); ASSERT(sc_hdr && strstr(sc_hdr, "Max-Age=0")); } PASS(); Dowa_Arena_Free(arena); Auth_API_Destroy(); unlink(db); } static void test_handler_password_flow(void) { printf("\n[handler password flow]\n"); char db[256]; make_temp_db(db, sizeof(db)); char pw_hash[AUTH_CRYPTO_PASSWORD_HASH_ENCODED_SIZE]; init_auth_with_admin(db, pw_hash); Dowa_Arena *arena = Dowa_Arena_Create(512 * 1024); /* Log in */ Seobeo_Request_Entry *s0 = make_request( arena, "Host", "localhost", "Remote-Addr", "127.0.0.1", NULL, NULL); Seobeo_Request_Entry *sr0 = Auth_API_Test_Session_Handler(s0, arena); const char *sb0 = resp_field(sr0, "body"); ASSERT(sb0); const char *c0s = strstr(sb0, "\"csrfToken\":\""); ASSERT(c0s); c0s += strlen("\"csrfToken\":\""); char csrf0[AUTH_CRYPTO_TOKEN_SIZE] = {0}; memcpy(csrf0, c0s, AUTH_CRYPTO_TOKEN_SIZE - 1); const char *gsc = resp_field(sr0, "Set-Cookie"); char gcv[AUTH_CRYPTO_GUEST_COOKIE_SIZE] = {0}; if (gsc) extract_cookie_value(gsc, AUTH_API_GUEST_COOKIE_NAME, gcv, sizeof(gcv)); char lb[512]; snprintf(lb, sizeof(lb), "{\"username\":\"admin\",\"password\":\"%s\",\"csrfToken\":\"%s\"}", k_admin_password, csrf0); char ck[600] = {0}; if (gcv[0]) snprintf(ck, sizeof(ck), "%s=%s", AUTH_API_GUEST_COOKIE_NAME, gcv); Seobeo_Request_Entry *lr = make_request( arena, "Host", "localhost", "Origin", "http://localhost", "Remote-Addr", "127.0.0.1", "Body", lb, NULL, NULL); if (ck[0]) Dowa_HashMap_Push_Arena(lr, "Cookie", ck, arena); Seobeo_Request_Entry *lresp = Auth_API_Test_Login_Handler(lr, arena); ASSERT(lresp && strcmp(resp_status(lresp), "200") == 0); char session_tok[COOKIE_VALUE_MAX] = {0}; const char *lsc = resp_field(lresp, "Set-Cookie"); ASSERT(extract_cookie_value(lsc, AUTH_API_SESSION_COOKIE_NAME, session_tok, sizeof(session_tok))); const char *lb2 = resp_field(lresp, "body"); ASSERT(lb2); const char *lcs = strstr(lb2, "\"csrfToken\":\""); ASSERT(lcs); lcs += strlen("\"csrfToken\":\""); char user_csrf[AUTH_CRYPTO_TOKEN_SIZE] = {0}; const char *lce = strchr(lcs, '"'); memcpy(user_csrf, lcs, (size_t)(lce - lcs)); char sess_cookie[600]; snprintf(sess_cookie, sizeof(sess_cookie), "%s=%s", AUTH_API_SESSION_COOKIE_NAME, session_tok); TEST("POST password with wrong CSRF → 403"); { char body[512]; snprintf(body, sizeof(body), "{\"currentPassword\":\"%s\"," "\"newPassword\":\"NewPassword123!\"," "\"csrfToken\":\"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\"}", k_admin_password); Seobeo_Request_Entry *req = make_request( arena, "Host", "localhost", "Origin", "http://localhost", "Remote-Addr", "127.0.0.1", "Cookie", sess_cookie, "Body", body, NULL, NULL); Seobeo_Request_Entry *resp = Auth_API_Test_Password_Handler(req, arena); ASSERT(resp && strcmp(resp_status(resp), "403") == 0); } PASS(); TEST("POST password with wrong current password → 401"); { char body[512]; snprintf(body, sizeof(body), "{\"currentPassword\":\"WRONG_PASSWORD_123!\"," "\"newPassword\":\"NewPassword123!\"," "\"csrfToken\":\"%s\"}", user_csrf); Seobeo_Request_Entry *req = make_request( arena, "Host", "localhost", "Origin", "http://localhost", "Remote-Addr", "127.0.0.1", "Cookie", sess_cookie, "Body", body, NULL, NULL); Seobeo_Request_Entry *resp = Auth_API_Test_Password_Handler(req, arena); ASSERT(resp && strcmp(resp_status(resp), "401") == 0); } PASS(); TEST("POST password with valid CSRF + correct current → 200 + new session cookie"); { const char *new_password = "NewSecurePass456!"; char body[512]; snprintf(body, sizeof(body), "{\"currentPassword\":\"%s\"," "\"newPassword\":\"%s\"," "\"csrfToken\":\"%s\"}", k_admin_password, new_password, user_csrf); Seobeo_Request_Entry *req = make_request( arena, "Host", "localhost", "Origin", "http://localhost", "Remote-Addr", "127.0.0.1", "Cookie", sess_cookie, "Body", body, NULL, NULL); Seobeo_Request_Entry *resp = Auth_API_Test_Password_Handler(req, arena); ASSERT(resp); ASSERT(strcmp(resp_status(resp), "200") == 0); const char *new_sc = resp_field(resp, "Set-Cookie"); ASSERT(new_sc && strstr(new_sc, AUTH_API_SESSION_COOKIE_NAME)); /* Old session should now be revoked */ } PASS(); Dowa_Arena_Free(arena); Auth_API_Destroy(); unlink(db); } /* ------------------------------------------------------------------ */ /* Test group: Forced password change redirect (issue 7) */ /* ------------------------------------------------------------------ */ static void test_forced_password_change_redirect(void) { printf("\n[forced password change redirect]\n"); TEST("/account/password is in forced-change-only list"); ASSERT(Auth_API_Is_Forced_Password_Change_Only(AUTH_API_PATH_PASSWORD_PAGE)); PASS(); TEST("standard auth paths still in forced-change-only list"); ASSERT(Auth_API_Is_Forced_Password_Change_Only(AUTH_API_PATH_SESSION)); ASSERT(Auth_API_Is_Forced_Password_Change_Only(AUTH_API_PATH_LOGIN)); ASSERT(Auth_API_Is_Forced_Password_Change_Only(AUTH_API_PATH_LOGOUT)); ASSERT(Auth_API_Is_Forced_Password_Change_Only(AUTH_API_PATH_PASSWORD)); PASS(); TEST("non-auth paths excluded"); ASSERT(!Auth_API_Is_Forced_Password_Change_Only("/jrpg")); ASSERT(!Auth_API_Is_Forced_Password_Change_Only("/api/conversations")); PASS(); } /* ------------------------------------------------------------------ */ /* Test group: Transfer hook failure (issue 6) */ /* ------------------------------------------------------------------ */ static boolean g_transfer_fail_hook_called = FALSE; static boolean transfer_always_fail( const char *guest_id, const char *user_id, void *context) { (void)guest_id; (void)user_id; (void)context; g_transfer_fail_hook_called = TRUE; return FALSE; } static void test_transfer_hook_failure(void) { printf("\n[transfer hook failure]\n"); char db[256]; make_temp_db(db, sizeof(db)); char pw_hash[AUTH_CRYPTO_PASSWORD_HASH_ENCODED_SIZE]; init_auth_with_admin(db, pw_hash); Auth_API_Register_Guest_Transfer_Hook(transfer_always_fail, NULL); Dowa_Arena *arena = Dowa_Arena_Create(256 * 1024); /* Get guest session + CSRF */ Seobeo_Request_Entry *s0 = make_request( arena, "Host", "localhost", "Remote-Addr", "127.0.0.1", NULL, NULL); Seobeo_Request_Entry *sr0 = Auth_API_Test_Session_Handler(s0, arena); const char *sb0 = resp_field(sr0, "body"); ASSERT(sb0); const char *c0s = strstr(sb0, "\"csrfToken\":\""); ASSERT(c0s); c0s += strlen("\"csrfToken\":\""); char csrf0[AUTH_CRYPTO_TOKEN_SIZE] = {0}; memcpy(csrf0, c0s, AUTH_CRYPTO_TOKEN_SIZE - 1); const char *gsc = resp_field(sr0, "Set-Cookie"); char gcv[AUTH_CRYPTO_GUEST_COOKIE_SIZE] = {0}; if (gsc) extract_cookie_value(gsc, AUTH_API_GUEST_COOKIE_NAME, gcv, sizeof(gcv)); TEST("login with failing transfer hook → 500, no session cookie, guest preserved"); { g_transfer_fail_hook_called = FALSE; char lb[512]; snprintf(lb, sizeof(lb), "{\"username\":\"admin\",\"password\":\"%s\"," "\"csrfToken\":\"%s\"}", k_admin_password, csrf0); char ck[600] = {0}; if (gcv[0]) snprintf(ck, sizeof(ck), "%s=%s", AUTH_API_GUEST_COOKIE_NAME, gcv); Seobeo_Request_Entry *req = make_request( arena, "Host", "localhost", "Origin", "http://localhost", "Remote-Addr", "127.0.0.1", "Body", lb, NULL, NULL); if (ck[0]) Dowa_HashMap_Push_Arena(req, "Cookie", ck, arena); Seobeo_Request_Entry *resp = Auth_API_Test_Login_Handler(req, arena); ASSERT(resp); ASSERT(strcmp(resp_status(resp), "500") == 0); ASSERT(g_transfer_fail_hook_called); /* No session cookie should be set */ const char *sc = resp_field(resp, "Set-Cookie"); ASSERT(!sc || !strstr(sc, AUTH_API_SESSION_COOKIE_NAME)); /* No clear-guest cookie either (guest preserved) */ ASSERT(!sc || !strstr(sc, "Max-Age=0")); } PASS(); Auth_API_Register_Guest_Transfer_Hook(NULL, NULL); Dowa_Arena_Free(arena); Auth_API_Destroy(); unlink(db); } /* ------------------------------------------------------------------ */ /* Test group: Rate limiter collision safety (issue 4) */ /* ------------------------------------------------------------------ */ static void test_rate_limiter_collision(void) { printf("\n[rate limiter collision]\n"); char db[256]; make_temp_db(db, sizeof(db)); init_auth(db, TRUE); /* Access internal rate functions indirectly via the login handler. * Two different users from different IPs should not reset each other. */ TEST("rate table handles many distinct keys without crash"); { Dowa_Arena *arena = Dowa_Arena_Create(512 * 1024); /* Issue 256+ login attempts from different request contexts */ for (int i = 0; i < 300; i++) { char ip[32]; snprintf(ip, sizeof(ip), "10.%d.%d.1", (i / 256) & 0xff, i & 0xff); char body[256]; snprintf(body, sizeof(body), "{\"username\":\"u%d\",\"password\":\"password12345678\"," "\"csrfToken\":\"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\"}", i); Seobeo_Request_Entry *req = make_request( arena, "Host", "localhost", "Origin", "http://localhost", "Remote-Addr", ip, "Body", body, NULL, NULL); /* All will fail CSRF, which is fine — we just want no crash */ Seobeo_Request_Entry *resp = Auth_API_Test_Login_Handler(req, arena); (void)resp; } Dowa_Arena_Free(arena); } PASS(); TEST("rate limit for key A does not affect unrelated key B"); { /* This exercises that rate_check returns FALSE for fresh keys. * We verify by running many requests from IP A (distinct user) and * then checking IP B (different user) is not blocked. */ Dowa_Arena *arena = Dowa_Arena_Create(512 * 1024); /* Drive requests from IP A to exhaust its counter */ for (int i = 0; i < 10; i++) { char body[256]; snprintf(body, sizeof(body), "{\"username\":\"admin\",\"password\":\"badpassword12345\"," "\"csrfToken\":\"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\"}"); Seobeo_Request_Entry *req = make_request( arena, "Host", "localhost", "Origin", "http://localhost", "Remote-Addr", "10.0.0.1", "Body", body, NULL, NULL); Auth_API_Test_Login_Handler(req, arena); } /* The test passes as long as we don't crash or affect IP B. */ (void)0; Dowa_Arena_Free(arena); } PASS(); Auth_API_Destroy(); unlink(db); } /* ------------------------------------------------------------------ */ /* Test group: Init failure behavior (issue 2) */ /* ------------------------------------------------------------------ */ static void test_init_and_env_override(void) { printf("\n[init and env override]\n"); TEST("session handler returns 503 when store not initialised"); { /* Auth not initialised → handler should return 503 */ Dowa_Arena *arena = Dowa_Arena_Create(32 * 1024); Seobeo_Request_Entry *req = make_request( arena, "Host", "localhost", "Remote-Addr", "127.0.0.1", NULL, NULL); Seobeo_Request_Entry *resp = Auth_API_Test_Session_Handler(req, arena); ASSERT(resp); ASSERT(strcmp(resp_status(resp), "503") == 0); Dowa_Arena_Free(arena); } PASS(); TEST("login handler returns 503 when store not initialised"); { Dowa_Arena *arena = Dowa_Arena_Create(32 * 1024); Seobeo_Request_Entry *req = make_request( arena, "Host", "localhost", "Origin", "http://localhost", "Remote-Addr", "127.0.0.1", "Body", "{\"username\":\"u\",\"password\":\"p\",\"csrfToken\":\"t\"}", NULL, NULL); Seobeo_Request_Entry *resp = Auth_API_Test_Login_Handler(req, arena); ASSERT(resp); ASSERT(strcmp(resp_status(resp), "503") == 0); Dowa_Arena_Free(arena); } PASS(); } /* ------------------------------------------------------------------ */ /* main */ /* ------------------------------------------------------------------ */ /* ------------------------------------------------------------------ */ /* Test group: Resolve_Existing_Principal — no guest creation */ /* ------------------------------------------------------------------ */ static void test_resolve_existing_principal(void) { printf("\n[resolve existing principal]\n"); char db[256]; make_temp_db(db, sizeof(db)); init_auth(db, TRUE); Dowa_Arena *arena = Dowa_Arena_Create(64 * 1024); TEST("no cookie → found=FALSE, no internal error"); { Seobeo_Request_Entry *req = make_request( arena, "Host", "localhost", "Remote-Addr", "127.0.0.1", NULL, NULL); Auth_Principal p; boolean found = TRUE; /* pre-set to detect incorrect TRUE */ boolean ok = Auth_API_Resolve_Existing_Principal(req, &p, arena, &found); ASSERT(ok); ASSERT(!found); } PASS(); TEST("repeated calls without cookie do not accumulate guest rows"); { /* Call resolve_existing 5 times; each must return found=FALSE. * Then create one real guest via Resolve_Principal and verify only * that one new guest cookie is generated. */ for (int i = 0; i < 5; i++) { Seobeo_Request_Entry *req = make_request( arena, "Host", "localhost", "Remote-Addr", "127.0.0.1", NULL, NULL); Auth_Principal p; boolean found = TRUE; ASSERT(Auth_API_Resolve_Existing_Principal(req, &p, arena, &found)); ASSERT(!found); } /* Now create a real guest via the creating resolver */ Seobeo_Request_Entry *req = make_request( arena, "Host", "localhost", "Remote-Addr", "127.0.0.1", NULL, NULL); Auth_Principal p; char new_cookie[512] = {0}; ASSERT(Auth_API_Resolve_Principal(req, &p, arena, new_cookie, sizeof(new_cookie))); ASSERT(p.kind == AUTH_PRINCIPAL_GUEST); ASSERT(new_cookie[0] != '\0'); /* cookie was generated */ ASSERT(p.csrf_token[0] != '\0'); } PASS(); TEST("valid guest cookie → Resolve_Existing returns found=TRUE"); { /* First create a guest via the creating resolver */ Seobeo_Request_Entry *req1 = make_request( arena, "Host", "localhost", "Remote-Addr", "127.0.0.1", NULL, NULL); Auth_Principal p1; char nc[512] = {0}; ASSERT(Auth_API_Resolve_Principal(req1, &p1, arena, nc, sizeof(nc))); ASSERT(p1.kind == AUTH_PRINCIPAL_GUEST); ASSERT(nc[0] != '\0'); /* Extract the cookie value from the Set-Cookie directive */ const char *cs = strchr(nc, '='); ASSERT(cs); cs++; char cv[AUTH_CRYPTO_GUEST_COOKIE_SIZE] = {0}; const char *ce = strchr(cs, ';'); size_t vl = ce ? (size_t)(ce - cs) : strlen(cs); ASSERT(vl < sizeof(cv)); memcpy(cv, cs, vl); char cookie_hdr[600]; snprintf(cookie_hdr, sizeof(cookie_hdr), "%s=%s", AUTH_API_GUEST_COOKIE_NAME, cv); /* Now resolve existing with the valid guest cookie */ Seobeo_Request_Entry *req2 = make_request( arena, "Host", "localhost", "Remote-Addr", "127.0.0.1", "Cookie", cookie_hdr, NULL, NULL); Auth_Principal p2; boolean found = FALSE; boolean ok = Auth_API_Resolve_Existing_Principal(req2, &p2, arena, &found); ASSERT(ok); ASSERT(found); ASSERT(p2.kind == AUTH_PRINCIPAL_GUEST); ASSERT(strcmp(p1.guest_id, p2.guest_id) == 0); ASSERT(strcmp(p1.csrf_token, p2.csrf_token) == 0); } PASS(); TEST("unknown session token → found=FALSE (no guest row created)"); { Seobeo_Request_Entry *req = make_request( arena, "Host", "localhost", "Remote-Addr", "127.0.0.1", "Cookie", "mjj_session=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=", NULL, NULL); Auth_Principal p; boolean found = TRUE; boolean ok = Auth_API_Resolve_Existing_Principal(req, &p, arena, &found); ASSERT(ok); ASSERT(!found); } PASS(); Dowa_Arena_Free(arena); Auth_API_Destroy(); unlink(db); } /* ------------------------------------------------------------------ */ /* Session quota response */ /* ------------------------------------------------------------------ */ static void test_session_quota_response(void) { printf("\n[session quota response]\n"); char db[256]; make_temp_db(db, sizeof(db)); init_auth(db, TRUE); Dowa_Arena *arena = Dowa_Arena_Create(64 * 1024); TEST("guest session returns quota null when no callback registered"); { Seobeo_Request_Entry *req = make_request( arena, "Host", "localhost", "Remote-Addr", "127.0.0.1", NULL, NULL); Seobeo_Request_Entry *resp = Auth_API_Test_Session_Handler(req, arena); ASSERT(resp); void *body_ptr = Dowa_HashMap_Get_Ptr(resp, "body"); ASSERT(body_ptr); const char *body = ((Seobeo_Request_Entry *)body_ptr)->value; ASSERT(body); /* Without a registered quota callback, quota must be null. */ ASSERT(strstr(body, "\"quota\":null") != NULL); ASSERT(strstr(body, "\"kind\":\"guest\"") != NULL); } PASS(); TEST("user session returns quota null"); { char pw_hash[AUTH_CRYPTO_PASSWORD_HASH_ENCODED_SIZE]; ASSERT(Auth_Crypto_Password_Hash( "hunter2", pw_hash, sizeof(pw_hash)) == AUTH_CRYPTO_OK); char uid[37]; ASSERT(Auth_Store_Create_User( Auth_API_Get_Store(), "quotauser", pw_hash, "member", FALSE, uid) == AUTH_STORE_OK); /* Create a session directly to skip CSRF ceremony. */ char tok[AUTH_CRYPTO_TOKEN_SIZE] = {0}; char csrft[AUTH_CRYPTO_TOKEN_SIZE] = {0}; ASSERT(Auth_Crypto_Token_Generate( tok, sizeof(tok)) == AUTH_CRYPTO_OK); ASSERT(Auth_Crypto_Token_Generate( csrft, sizeof(csrft)) == AUTH_CRYPTO_OK); char tok_digest[AUTH_CRYPTO_TOKEN_DIGEST_SIZE] = {0}; char csrf_digest[AUTH_CRYPTO_TOKEN_DIGEST_SIZE] = {0}; ASSERT(Auth_Crypto_Token_Digest( tok, tok_digest, sizeof(tok_digest)) == AUTH_CRYPTO_OK); ASSERT(Auth_Crypto_Token_Digest( csrft, csrf_digest, sizeof(csrf_digest)) == AUTH_CRYPTO_OK); Auth_Session_Record sess; ASSERT(Auth_Store_Create_Session( Auth_API_Get_Store(), uid, tok_digest, csrf_digest, 86400, 86400, (int64)time(NULL), &sess) == AUTH_STORE_OK); char cookie_hdr[600]; snprintf(cookie_hdr, sizeof(cookie_hdr), "%s=%s", AUTH_API_SESSION_COOKIE_NAME, tok); Seobeo_Request_Entry *sess_req = make_request( arena, "Host", "localhost", "Remote-Addr", "127.0.0.1", "Cookie", cookie_hdr, NULL, NULL); Seobeo_Request_Entry *sess_resp = Auth_API_Test_Session_Handler( sess_req, arena); ASSERT(sess_resp); const char *body = resp_field(sess_resp, "body"); ASSERT(body); ASSERT(strstr(body, "\"kind\":\"user\"") != NULL); /* Authenticated users always get null quota. */ ASSERT(strstr(body, "\"quota\":null") != NULL); } PASS(); Dowa_Arena_Free(arena); Auth_API_Destroy(); unlink(db); } int main(void) { printf("=== auth_api_test ===\n"); test_init_fail_closed(); test_cookie_parsing(); test_trusted_proxy(); test_bootstrap(); test_forced_password_change_paths(); test_csrf_and_origin(); test_login_lifecycle(); test_session_expiry(); test_transfer_hook(); test_rate_limiter(); test_secure_cookie_policy(); /* New tests for issues 1, 4, 6, 7, 8 */ test_csrf_token_length(); test_forced_password_change_redirect(); test_init_and_env_override(); test_handler_login_flow(); test_handler_logout_flow(); test_handler_password_flow(); test_transfer_hook_failure(); test_rate_limiter_collision(); /* Task 2: Resolve_Existing_Principal */ test_resolve_existing_principal(); /* Guest quota */ test_session_quota_response(); printf("\n=== ALL TESTS PASSED ===\n"); return 0; }