Use BUF_strlcpy() instead of strcpy().
[openssl.git] / crypto / pem / pem_lib.c
index d536b523d8264e1065d68f528462ed18010e80f3..e921cc4c1286c694a2eae0e06eb221916103101b 100644 (file)
@@ -131,9 +131,9 @@ void PEM_proc_type(char *buf, int type)
        else
                str="BAD-TYPE";
                
-       strcat(buf,"Proc-Type: 4,");
-       strcat(buf,str);
-       strcat(buf,"\n");
+       BUF_strlcat(buf,"Proc-Type: 4,",PEM_BUFSIZE);
+       BUF_strlcat(buf,str,PEM_BUFSIZE);
+       BUF_strlcat(buf,"\n",PEM_BUFSIZE);
        }
 
 void PEM_dek_info(char *buf, const char *type, int len, char *str)
@@ -142,10 +142,12 @@ void PEM_dek_info(char *buf, const char *type, int len, char *str)
        long i;
        int j;
 
-       strcat(buf,"DEK-Info: ");
-       strcat(buf,type);
-       strcat(buf,",");
+       BUF_strlcat(buf,"DEK-Info: ",PEM_BUFSIZE);
+       BUF_strlcat(buf,type,PEM_BUFSIZE);
+       BUF_strlcat(buf,",",PEM_BUFSIZE);
        j=strlen(buf);
+       if (j + (len * 2) + 1 > PEM_BUFSIZE)
+               return;
        for (i=0; i<len; i++)
                {
                buf[j+i*2]  =map[(str[i]>>4)&0x0f];