From 66c6cd8aa818fc1b31f0d646817b7577c11396fc Mon Sep 17 00:00:00 2001
From: bitcoffee <liuxin350@huawei.com>
Date: Thu, 12 Dec 2024 19:41:12 +0800
Subject: [PATCH] remove libboundscheck dependency

Signed-off-by: bitcoffee <liuxin350@huawei.com>
---
 oncn-mda/cli_src/CMakeLists.txt |  2 +-
 oncn-mda/cli_src/func/chain.c   | 23 ++++----------
 oncn-mda/cli_src/func/global.c  | 53 +++++++++------------------------
 oncn-mda/cli_src/func/log.c     |  2 +-
 oncn-mda/cli_src/func/switch.c  | 16 ++++------
 oncn-mda/include/log.h          |  1 -
 oncn-mda/include/macli.h        |  1 -
 7 files changed, 28 insertions(+), 70 deletions(-)

diff --git a/oncn-mda/cli_src/CMakeLists.txt b/oncn-mda/cli_src/CMakeLists.txt
index 471da73..5bf849f 100644
--- a/oncn-mda/cli_src/CMakeLists.txt
+++ b/oncn-mda/cli_src/CMakeLists.txt
@@ -14,6 +14,6 @@ if($ENV{HS_COVERAGE_ENABLE})
 endif($ENV{HS_COVERAGE_ENABLE})
 
 add_executable(mdacore mdacore.c ${SRC_LIST})
-target_link_libraries(mdacore -lbpf -lboundscheck -lelf -lz -lm)
+target_link_libraries(mdacore -lbpf -lelf -lz -lm)
 
 MESSAGE("======================Leave cli folder=======================")
diff --git a/oncn-mda/cli_src/func/chain.c b/oncn-mda/cli_src/func/chain.c
index 3890606..4cf2988 100644
--- a/oncn-mda/cli_src/func/chain.c
+++ b/oncn-mda/cli_src/func/chain.c
@@ -32,14 +32,9 @@ static int get_input_ip(const char *const src, struct input_filter_rule *const i
         macli_log(ERR, "over the max cidrs set num, max is %d\n", MAX_PARAM_LENGTH);
         return FAILED;
     }
-    int ret = strcpy_s(input_filter_rules->input_ip[(input_filter_rules->input_ip_num)++], MAX_CIDR_LENGTH, src);
-    if (ret == ERANGE_AND_RESET) {
-        macli_log(ERR, "input cidr string too long!\n");
-        return FAILED;
-    } else if (ret != EOK) {
-        macli_log(ERR, "get filter rules failed! errno:%d\n", ret);
-        return FAILED;
-    }
+    (void)memset(input_filter_rules->input_ip[(input_filter_rules->input_ip_num)], 0x0, MAX_CIDR_LENGTH);
+    (void)strncpy(input_filter_rules->input_ip[(input_filter_rules->input_ip_num)++], src, MAX_CIDR_LENGTH - 1);
+
     return SUCCESS;
 }
 
@@ -49,15 +44,9 @@ static int get_input_port(const char *const src, struct input_filter_rule *const
         macli_log(ERR, "over the max ports set num, max is %d\n", MAX_PARAM_LENGTH);
         return FAILED;
     }
-    int ret =
-        strcpy_s(input_filter_rules->input_port[(input_filter_rules->input_port_num)++], MAX_PORT_RANGE_LENGTH, src);
-    if (ret == ERANGE_AND_RESET) {
-        macli_log(ERR, "input port string is too long!\n");
-        return FAILED;
-    } else if (ret != EOK) {
-        macli_log(ERR, "get filter rules failed! errno:%d\n", ret);
-        return FAILED;
-    }
+    (void)memset(input_filter_rules->input_port[(input_filter_rules->input_port_num)], 0x0, MAX_PORT_RANGE_LENGTH);
+    (void)strncpy(input_filter_rules->input_port[(input_filter_rules->input_port_num)++], src, MAX_PORT_RANGE_LENGTH - 1);
+
     return SUCCESS;
 }
 
diff --git a/oncn-mda/cli_src/func/global.c b/oncn-mda/cli_src/func/global.c
index 2579078..a0f17ab 100644
--- a/oncn-mda/cli_src/func/global.c
+++ b/oncn-mda/cli_src/func/global.c
@@ -113,10 +113,8 @@ static int get_prog_fd(const char *const prog_name, int *const fd)
     __u32 obj_id = 0;
     __u32 info_length = sizeof(struct bpf_prog_info);
     while (true) {
-        if (memset_s(&prog_info, info_length, 0x0, info_length) != EOK) {
-            macli_log(ERR, "system memset failed!\n");
-            return FAILED;
-        }
+        (void)memset(&prog_info, 0x0, info_length);
+
         if (bpf_prog_get_next_id(obj_id, &obj_id)) {
             if (errno == ENOENT)
                 break;
@@ -151,10 +149,7 @@ static int get_map_fd(const char *const map_name, int *const fd)
     __u32 obj_id = 0;
     __u32 info_length = sizeof(struct bpf_map_info);
     while (true) {
-        if (memset_s(&map_info, info_length, 0x0, info_length) != EOK) {
-            macli_log(ERR, "system memset failed!\n");
-            return FAILED;
-        }
+        (void)memset(&map_info, 0x0, info_length);
         if (bpf_map_get_next_id(obj_id, &obj_id)) {
             if (errno == ENOENT)
                 break;
@@ -192,13 +187,10 @@ static int init_mesh_map(
     struct bpf_create_map_attr *const map_attr)
 #endif
 {
-    int ret = EOK;
-    ret += strcpy_s(fds_map->name, BPF_OBJ_NAME_LEN, map_name);
-    ret += strcpy_s(fds_map->pin_file_path, PATH_MAX, pin_file_path);
-    if (ret != EOK) {
-        macli_log(ERR, "system copy string failed!");
-        return FAILED;
-    }
+    (void)memset(fds_map->name, 0x0, BPF_OBJ_NAME_LEN);
+    (void)strncpy(fds_map->name, map_name, BPF_OBJ_NAME_LEN - 1);
+    (void)memset(fds_map->pin_file_path, 0x0, PATH_MAX);
+    (void)strncpy(fds_map->pin_file_path, pin_file_path, PATH_MAX - 1);
     if (get_map_fd(fds_map->name, &(fds_map->fd)) != SUCCESS)
         return FAILED;
     fds_map->xattr = map_attr;
@@ -212,12 +204,8 @@ static int init_mesh_prog(
     enum bpf_attach_type attach_type,
     int attach_fd)
 {
-    int ret = EOK;
-    ret = strcpy_s(fds_prog->name, BPF_OBJ_NAME_LEN, prog_name);
-    if (ret != EOK) {
-        macli_log(ERR, "system copy string failed!");
-        return FAILED;
-    }
+    (void)memset(fds_prog->name, 0x0, BPF_OBJ_NAME_LEN);
+    (void)strncpy(fds_prog->name, prog_name, BPF_OBJ_NAME_LEN - 1);
     if (get_prog_fd(fds_prog->name, &(fds_prog->fd)) != SUCCESS)
         return FAILED;
     fds_prog->attach_type = attach_type;
@@ -228,13 +216,8 @@ static int init_mesh_prog(
 
 static int init_mesh_prog_pin_file(struct mesh_prog_info *const fds_prog, const char *const pin_file_path)
 {
-    int ret = EOK;
-    ret = strcpy_s(fds_prog->pin_file_path, PATH_MAX, pin_file_path);
-    if (ret != EOK) {
-        macli_log(ERR, "system copy string failed!");
-        return FAILED;
-    }
-
+    (void)memset(fds_prog->pin_file_path, 0x0, PATH_MAX);
+    (void)strncpy(fds_prog->pin_file_path, pin_file_path, PATH_MAX - 1);
     return SUCCESS;
 }
 
@@ -318,7 +301,7 @@ int get_u32_num(const char *const src, __u32 *const ret)
     const int convert_base = 10;
     char tmp_buff[TMP_BUF_SIZE] = {0};
     unsigned long tmp = strtoul(src, NULL, convert_base);
-    if (sprintf_s(tmp_buff, sizeof(tmp_buff), "%lu", tmp) < 0) {
+    if (snprintf(tmp_buff, sizeof(tmp_buff), "%lu", tmp) < 0) {
         macli_log(ERR, "system sprintf string failed!\n");
         return FAILED;
     }
@@ -332,12 +315,8 @@ int get_u32_num(const char *const src, __u32 *const ret)
 
 int check_cidr(const char *const src, __u32 *const ip, __u32 *const mask)
 {
-    int ret = EOK;
     char tmp_buff[MAX_CIDR_LENGTH] = {0};
-    if ((ret = strcpy_s(tmp_buff, sizeof(tmp_buff), src)) != EOK) {
-        macli_log(ERR, "system copy string failed! errno:%d\n", ret);
-        return FAILED;
-    }
+    (void)strncpy(tmp_buff, src, sizeof(tmp_buff) - 1);
     char *ip_part = tmp_buff;
     char *p = strrchr(tmp_buff, '/');
     if (p == NULL)
@@ -358,12 +337,8 @@ int check_cidr(const char *const src, __u32 *const ip, __u32 *const mask)
 
 int check_port(const char *const src, __u32 *const begin_port, __u32 *const end_port)
 {
-    int ret = EOK;
     char tmp_buff[MAX_PORT_RANGE_LENGTH] = {0};
-    if ((ret = strcpy_s(tmp_buff, sizeof(tmp_buff), src)) != EOK) {
-        macli_log(ERR, "system copy string failed! errno:%d\n", ret);
-        return FAILED;
-    }
+    (void)strncpy(tmp_buff, src, sizeof(tmp_buff) - 1);
     // support 80-90
     // support 80
     char *num1 = tmp_buff;
diff --git a/oncn-mda/cli_src/func/log.c b/oncn-mda/cli_src/func/log.c
index 9381c7e..b7b8287 100644
--- a/oncn-mda/cli_src/func/log.c
+++ b/oncn-mda/cli_src/func/log.c
@@ -20,7 +20,7 @@ void ma_log(enum LOG_LEVEL level, const char *format, ...)
     va_list ap;
     va_start(ap, format);
     char fmt_str[MAX_FMT_STR_LENGTH] = {0};
-    if (vsnprintf_s(fmt_str, sizeof(fmt_str), sizeof(fmt_str) - 1, format, ap) == -1) {
+    if (vsnprintf(fmt_str, sizeof(fmt_str), format, ap) < 0) {
         va_end(ap);
         return;
     }
diff --git a/oncn-mda/cli_src/func/switch.c b/oncn-mda/cli_src/func/switch.c
index 416f00e..3974ba8 100644
--- a/oncn-mda/cli_src/func/switch.c
+++ b/oncn-mda/cli_src/func/switch.c
@@ -365,7 +365,6 @@ static int check_file_access(const char *const config_path)
 
 static int read_chain_config(const char *const config_path, struct sock_param *const filter_rules)
 {
-    int ret;
     if (check_file_access(config_path) != SUCCESS)
         return FAILED;
     FILE *config_file = fopen(config_path, "r");
@@ -384,10 +383,10 @@ static int read_chain_config(const char *const config_path, struct sock_param *c
         if (*p == '#' || *p == '\0')
             continue;
 
-        if ((ret = strcpy_s(buf_save, sizeof(buf_save), buf)) != EOK) {
-            macli_log(ERR, "system copy string failed! errno:%d\n", ret);
-            continue;
-        }
+        (void)memset(buf_save, 0x0, sizeof(buf_save));
+        (void)strncpy(buf_save, buf, sizeof(buf_save));
+        buf_save[MAX_BUFSIZE - 1] = 0;
+
         char *chain_argv[MAX_INPUT] = {0};
         int chain_argc = 0;
         if (parser_arg(buf, (int)strlen(buf), &chain_argc, chain_argv) != SUCCESS)
@@ -519,15 +518,12 @@ int do_enable(int argc, char *const *argv)
     char config_path[PATH_MAX] = {0};
     struct sock_param filter_rules = {0};
     struct mesh_service_info fds = {0};
-    int ret;
 
     if (set_rlimit() != SUCCESS)
         return FAILED;
 
-    if ((ret = strcpy_s(config_path, PATH_MAX, CONFIGFILE_PATH)) != EOK) {
-        macli_log(ERR, "system copy string failed! errno:%d\n", ret);
-        return FAILED;
-    }
+    (void)memset(config_path, 0x0, PATH_MAX);
+    (void)strncpy(config_path, CONFIGFILE_PATH, PATH_MAX - 1);
 
     if (enable_get_opt(argc, argv, config_path, &is_help) != SUCCESS)
         return FAILED;
diff --git a/oncn-mda/include/log.h b/oncn-mda/include/log.h
index bfc026f..86162e0 100644
--- a/oncn-mda/include/log.h
+++ b/oncn-mda/include/log.h
@@ -8,7 +8,6 @@
 #include <stdlib.h>
 #include <time.h>
 #include <stdarg.h>
-#include "securec.h"
 
 enum LOG_LEVEL { FATAL = 0, ERR, WARN, INFO, DEBUG };
 
diff --git a/oncn-mda/include/macli.h b/oncn-mda/include/macli.h
index ebe8f69..1db7e7a 100644
--- a/oncn-mda/include/macli.h
+++ b/oncn-mda/include/macli.h
@@ -20,7 +20,6 @@
 #include <netinet/in.h>
 #include <arpa/inet.h>
 #include <sys/stat.h>
-#include "securec.h"
 #include "data.h"
 #include "log.h"
 
-- 
2.33.0

