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log macro to print file name and line number

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wangyu 2017-07-25 00:04:49 +08:00 committed by wangyu
parent 3e50007667
commit 966ec3c925
4 changed files with 30 additions and 14 deletions
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24
encrypt.cpp
View File

@ -6,6 +6,8 @@
#include <stdio.h>
#include <encrypt.h>
#include "log.h"
//static uint64_t seq=1;
static int8_t zero_iv[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0};//this prog use zero iv,you should make sure first block of data contains a random/nonce data
@ -18,6 +20,10 @@ static const int disable_aes=0;
int auth_mode=auth_md5;
int cipher_mode=cipher_aes128cbc;
//int auth(uint8_t *data,)
/*
int my_encrypt(uint8_t *data,uint8_t *output,int &len,uint8_t * key)
@ -48,6 +54,7 @@ int auth_md5_verify(const char *data,int &len)
{
if(len<16)
{
log(log_trace,"auth_md5_verify len<16\n");
return -1;
}
char md5_res[16];
@ -56,6 +63,7 @@ int auth_md5_verify(const char *data,int &len)
if(memcmp(md5_res,data+len-16,16)!=0)
{
log(log_trace,"auth_md5_verify md5 check failed\n");
return -2;
}
len-=16;
@ -91,8 +99,8 @@ int cipher_none_encrypt(const char *data,char *output,int &len,char * key)
}
int cipher_aes128cbc_decrypt(const char *data,char *output,int &len,char * key)
{
if(len%16 !=0) return -1;
if(len<2) return -1;
if(len%16 !=0) {log(log_trace,"len%16!=0");return -1;}
if(len<2) {log(log_trace,"len <2 ");return -1;}return -1;
AES_CBC_decrypt_buffer((unsigned char *)output,(unsigned char *)data,len,(unsigned char *)key,(unsigned char *)zero_iv);
len=((unsigned char)output[len-2])*256u+((unsigned char)output[len-1]);
return 0;
@ -135,14 +143,14 @@ int cipher_decrypt(const char *data,char *output,int &len,char * key)
int my_encrypt(const char *data,char *output,int &len,char * key)
{
if(len<0) return -1;
if(len>65535) return -1;
if(len<0) {log(log_trace,"len<0");return -1;}
if(len>65535) {log(log_trace,"len>65535");return -1;}
char buf[65535+100];
char buf2[65535+100];
memcpy(buf,data,len);
if(auth_cal(buf,buf2,len)!=0) {return -1;}
if(cipher_encrypt(buf2,output,len,key) !=0) {return -1;}
if(auth_cal(buf,buf2,len)!=0) {log(log_trace,"auth_cal failed ");return -1;}
if(cipher_encrypt(buf2,output,len,key) !=0) {log(log_trace,"auth_cal failed ");return -1;}
return 0;
}
@ -151,8 +159,8 @@ int my_decrypt(const char *data,char *output,int &len,char * key)
if(len<0) return -1;
if(len>65535) return -1;
if(cipher_decrypt(data,output,len,key) !=0) {return -1;}
if(auth_verify(output,len)!=0) {return -1;}
if(cipher_decrypt(data,output,len,key) !=0) {log(log_trace,"cipher_decrypt failed "); return -1;}
if(auth_verify(output,len)!=0) {log(log_trace,"auth_verify failed ");return -1;}
return 0;
}

4
encrypt.h
View File

@ -12,6 +12,10 @@ int my_decrypt(const char *data,char *output,int &len,char * key);
int my_encrypt_pesudo_header(uint8_t *data,uint8_t *output,int &len,uint8_t * key,uint8_t *header,int hlen);
int my_decrypt_pesudo_header(uint8_t *data,uint8_t *output,int &len,uint8_t * key,uint8_t *header,int hlen);
unsigned short csum(const unsigned short *ptr,int nbytes) ;
const int auth_none=0;
const int auth_md5=1;

12
log.cpp
View File

@ -1,10 +1,11 @@
#include <log.h>
const int log_level=log_debug;
int enable_log_position=1;
int enable_log_color=1;
char log_text[][10]={"FATAL","ERROR","WARN","INFO","DEBUG","TRACE"};
char log_color[][10]={RED,RED,YEL,GRN,BLU,""};
void log(int level,const char* str, ...) {
void log0(const char * file,const char * function,int line,int level,const char* str, ...) {
if(level>log_level) return ;
if(level>log_trace||level<0) return ;
@ -17,17 +18,20 @@ void log(int level,const char* str, ...) {
time(&timer);
tm_info = localtime(&timer);
if(enable_log_color)
printf(log_color[level]);
strftime(buffer, 100, "%Y-%m-%d %H:%M:%S", tm_info);
printf("[%s][%s]",buffer,log_text[level]);
printf("[%s][%s]",buffer,log_text[level],file,line);
if(enable_log_position)printf("[%s,func:%s,line:%d]",file,function,line);
va_list vlist;
va_start(vlist, str);
vfprintf(stdout, str, vlist);
va_end(vlist);
printf(RESET);
if(enable_log_color)
printf(RESET);
//printf("\n");
fflush(stdout);
}

4
log.h
View File

@ -73,9 +73,9 @@ const int log_debug=4;
const int log_trace=5;
#define log(...) log0(__FILE__,__FUNCTION__,__LINE__,__VA_ARGS__)
void log(int level,const char* str, ...);
void log0(const char * file,const char * function,int line,int level,const char* str, ...);
#endif