From e6fe5045cb1ceb1e65f2d3eab98dd1f15e626ffd Mon Sep 17 00:00:00 2001
From: zeekling <lingzhaohui@zeekling.cn>
Date: Tue, 10 May 2022 23:05:43 +0800
Subject: [PATCH] add authmodule

---
 src/Makefile    |  7 +++---
 src/redis-acl.c | 60 ++++++++++++++++++++++++++++++++++++++++++++++---
 src/redis-acl.h | 20 +++++++++++++++++
 3 files changed, 81 insertions(+), 6 deletions(-)
 create mode 100644 src/redis-acl.h

diff --git a/src/Makefile b/src/Makefile
index 4331a8c..a3fcb7a 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -1,12 +1,13 @@
 
 uname_S := $(shell sh -c 'uname -s 2>/dev/null || echo not')
 
+WARN=-Wall -W -Wno-missing-field-initializers
 # Compile flags for linux / osx
 ifeq ($(uname_S),Linux)
-	SHOBJ_CFLAGS ?= -W -Wall -fno-common -g -ggdb -std=c99 -O2
+	SHOBJ_CFLAGS ?= -W -Wall -fno-common -g -ggdb -std=c11 -O2 $(WARN) $(OPTIMIZATION)
 	SHOBJ_LDFLAGS ?= -shared
 else
-	SHOBJ_CFLAGS ?= -W -Wall -dynamic -fno-common -g -ggdb -std=c99 -O2
+	SHOBJ_CFLAGS ?= -W -Wall -dynamic -fno-common -g -ggdb -std=c11 -O2 $(WARN) $(OPTIMIZATION)
 	SHOBJ_LDFLAGS ?= -bundle -undefined dynamic_lookup
 endif
 
@@ -25,4 +26,4 @@ redis-acl.so: redis-acl.xo
 	$(LD) -o $@ $^ $(SHOBJ_LDFLAGS) $(LIBS) -lc
 
 clean:
-	rm -rf *.xo *.so
+	rm -rf *.xo *.so *.o
diff --git a/src/redis-acl.c b/src/redis-acl.c
index 006b68d..a240117 100644
--- a/src/redis-acl.c
+++ b/src/redis-acl.c
@@ -1,7 +1,61 @@
+
 #include <stdio.h>
+#include "redis-acl.h"
 #include "redismodule.h"
 
-int main(){
-	printf("Hello world\n");
-	return 0;
+static RedisModuleCommandFilter *filter;
+
+void AuthFilter_CommandFilter(RedisModuleCommandFilter *filter) {
+    int log = 0;
+    int pos = 0;
+	RedisModule_Log(NULL, LOG_LEVL_NOTICE, "command filter");
+	while (pos < RedisModule_CommandFilterArgsCount(filter)) {
+		const RedisModuleString *arg = RedisModule_CommandFilterArgGet(filter, pos);
+		size_t arg_len;
+		const char *arg_str = RedisModule_StringPtrLen(arg, &arg_len);
+		RedisModule_Log(NULL, LOG_LEVL_NOTICE, "str=%s,len=%d", arg_str, arg_len);
+		// 解密
+		pos++;
+   }
+	RedisModuleUser *user = RedisModule_CreateModuleUser("default");
+	if (user == NULL) {
+        RedisModule_Log(NULL, LOG_LEVL_NOTICE, "user is null");
+
+	}
+
 }
+
+int AuthCommand_RedisCommand(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
+
+	return REDISMODULE_OK;
+}
+
+void create_users(RedisModuleCtx *ctx) {
+	RedisModuleUser *user =  RedisModule_CreateModuleUser("default");
+	RedisModule_SetModuleUserACL(user, "allcommands");
+    RedisModule_SetModuleUserACL(user, "allkeys");
+    RedisModule_SetModuleUserACL(user, "on");
+	RedisModule_Log(ctx, LOG_LEVL_NOTICE, "init module user success!");
+	RedisModule_FreeModuleUser(user);
+}
+
+int RedisModule_OnLoad(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
+	REDISMODULE_NOT_USED(argv);
+    REDISMODULE_NOT_USED(argc);
+	if (RedisModule_Init(ctx, "redis-auth", 1, REDISMODULE_APIVER_1) == REDISMODULE_ERR) {
+		RedisModule_Log(ctx, LOG_LEVL_NOTICE, "init redis-auth failed");
+		return REDISMODULE_ERR;
+	}
+
+	create_users(ctx);
+
+
+    filter = RedisModule_RegisterCommandFilter(ctx, AuthFilter_CommandFilter, 0);
+	if (filter == NULL) {
+		return REDISMODULE_ERR;
+	}
+
+	RedisModule_Log(ctx, LOG_LEVL_NOTICE, "init redis-auth success!");
+	return REDISMODULE_OK;
+}
+
diff --git a/src/redis-acl.h b/src/redis-acl.h
new file mode 100644
index 0000000..641518a
--- /dev/null
+++ b/src/redis-acl.h
@@ -0,0 +1,20 @@
+
+#ifndef REDISAUTH_H
+#include "redismodule.h"
+
+/* Error status return values. */
+#define REDISMODULE_OK 0
+#define REDISMODULE_ERR 1
+#define LOG_LEVL_NOTICE "notice"
+
+/* *
+ * Redis Auth command
+ * */
+int AuthCommand_RedisCommand(RedisModuleCtx *ctx, RedisModuleString **argv, int argc);
+
+void AuthFilter_CommandFilter(RedisModuleCommandFilter *filter);
+
+#endif // REDISAUTH_H
+
+
+