From 822a8960eaaaa64818a7c5c5c2c780782f5c8c60 Mon Sep 17 00:00:00 2001
From: szm-min <shaozhimin@kylinos.cn>
Date: Sun, 28 Apr 2024 17:28:06 +0800
Subject: [PATCH] =?UTF-8?q?=E8=A7=A3=E5=86=B3=E7=BD=91=E5=8D=A1=E4=B8=AD?=
 =?UTF-8?q?=E7=9A=84=E8=8E=B7=E5=8F=96=E5=AD=90=E7=BD=91=E6=8E=A9=E7=A0=81?=
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---
 src/hardware/libkync.c | 32 +++++++++++++++++---------------
 1 file changed, 17 insertions(+), 15 deletions(-)

diff --git a/src/hardware/libkync.c b/src/hardware/libkync.c
index 0b88b0b..3f9029b 100644
--- a/src/hardware/libkync.c
+++ b/src/hardware/libkync.c
@@ -835,19 +835,21 @@ int kdk_nc_get_carrier(char *nc)
 
 char *kdk_nc_get_duplex(char *nc)
 {
-    char path[1024] = {0}, real_path[1024];
+    char path[1024] = {0};
     char res[1024] = {0};
     char *result = NULL;
     sprintf(path, "/sys/class/net/%s/duplex", nc);
-    if (NULL == realpath(path, real_path))
-        return NULL;
-    FILE *fp = fopen(real_path, "r");
+    // if (NULL == realpath(path, real_path))
+    //     return NULL;
+    FILE *fp = fopen(path, "r");
     if(NULL == fp)
         return NULL;
     fgets(res, 1024, fp);
-    strstripspace(res);
     if(strlen(res) != 0)
+    {
+        strstripspace(res);
         result = strdup(res);
+    }
     fclose(fp);
     return result;
 }
@@ -956,12 +958,12 @@ char *kdk_nc_get_broadAddr(const char *eth_name, const char *address)
     int ret = 0;
 	struct nl_cache *addr_cache;
 	struct rtnl_link *link;
-    char *ip = (char *)malloc(sizeof(char) * 32);
+    char *ip = (char *)malloc(sizeof(char) * 256);
     if(!ip)
     {
         return NULL;
     }
-    memset(ip, 0, 32);
+    memset(ip, 0, 256);
     strcpy(ip, address);
 
 	struct nl_sock *sk = nl_socket_alloc();
@@ -1024,12 +1026,12 @@ char *kdk_nc_get_netmask(const char *eth_name, const char *addr)
     int ret = 0;
 	struct nl_cache *addr_cache;
 	struct rtnl_link *link;
-    char *ip = (char *)malloc(sizeof(addr) + 1);
+    char *ip = (char *)malloc(sizeof(char) * 512);
     if(!ip)
     {
         return NULL;
     }
-    memset(ip, 0, sizeof(addr) + 1);
+    memset(ip, 0, 512);
     strcpy(ip, addr);
 
     char *netmask = NULL;
@@ -1062,12 +1064,12 @@ char *kdk_nc_get_netmask(const char *eth_name, const char *addr)
     free(ip);
     if(ctx.netmask)
     {
-        netmask = (char *)malloc(sizeof(char) * 64);
+        netmask = (char *)malloc(sizeof(char) * 256);
         if(!netmask)
         {
             return NULL;
         }
-        memset(netmask, 0, 64);
+        memset(netmask, 0, 256);
         strcpy(netmask, ctx.netmask);
         free(ctx.netmask);
     }
@@ -1091,12 +1093,12 @@ int kdk_nc_get_mask_length(int type, const char *eth_name, const char *addr)
     int ret = 0;
 	struct nl_cache *addr_cache;
 	struct rtnl_link *link;
-    char *ip = (char *)malloc(sizeof(char) * 32);
+    char *ip = (char *)malloc(sizeof(char) * 256);
     if(!ip)
     {
         return -1;
     }
-    memset(ip, 0, 32);
+    memset(ip, 0, 256);
     strcpy(ip, addr);
 
 	struct nl_sock *sk = nl_socket_alloc();
@@ -1593,12 +1595,12 @@ int kdk_nc_get_scope(const char *eth_name, const char *addr)
     int ret = 0;
 	struct nl_cache *addr_cache;
 	struct rtnl_link *link;
-    char *ip = (char *)malloc(sizeof(char) * 32);
+    char *ip = (char *)malloc(sizeof(char) * 256);
     if(!ip)
     {
         return -1;
     }
-    memset(ip, 0, 32);
+    memset(ip, 0, 256);
     strcpy(ip, addr);
 
 	struct nl_sock *sk = nl_socket_alloc();