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vos.c
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vos.c
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#ifdef __cplusplus
extern "C" {
#endif
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <stdint.h>
#include <signal.h>
#include <fcntl.h>
#include <malloc.h>
#include <syslog.h>
#include <stdarg.h>
#include <errno.h>
#include <ctype.h>
#include <semaphore.h>
#include <pthread.h>
#include <memory.h>
#include <dirent.h>
#include <termios.h>
#include <sys/types.h>
#include <sys/ioctl.h>
#include <sys/syscall.h>
#include <sys/socket.h>
#include <sys/select.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include <sys/sysinfo.h>
#include <sys/statfs.h>
#include <sys/msg.h>
#include <sys/ipc.h>
//#include <sys/signal.h>
#include <sys/wait.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netinet/ip.h>
#include <sys/socket.h>
#include <netdb.h>
#include <getopt.h>
#include <linux/if_ether.h>
#include <net/if.h>
#include <linux/types.h>
#include <linux/watchdog.h>
#include <linux/rtc.h>
#include "vos.h"
extern int Log_MsgLine(char *LogFileName,char *sLine);
#if 1
#define VosPrint(fmt,args...) do{ \
char _PrtBuf[1000]; \
sprintf(_PrtBuf,":" fmt , ## args); \
Log_MsgLine("vos.log",_PrtBuf); \
}while(0)
#else
#define VosPrint(fmt,args...)
#endif
void osInit()
{
//srand(GetTickCount());
//signal(SIGPIPE,SIG_IGN);
}
/*
NOTE: some embeded platform does not support pthread_attr_t operation func.
*/
void* osCreateThread(int prior,pfnThread route,void* args)
{
pthread_t* ret=NULL;
//pthread_attr_t attr;
//struct sched_param param;
ret = (pthread_t*)malloc(sizeof(pthread_t));
if(ret)
{
//pthread_attr_init(&attr);
//pthread_attr_setstacksize(&attr,MAX_STATCK_SIZE);
//pthread_attr_setschedpolicy(&attr, SCHED_RR);
//param.sched_priority = prior;
//pthread_attr_setschedparam(&attr,¶m);
if(0 == pthread_create(ret,NULL,route,args))
{
//pthread_attr_destroy(&attr);
return (void*)ret;
}
//pthread_attr_destroy(&attr);
}
return NULL;
}
void* osCreateThreadJoinable(int prior,pfnThread route,void* args)
{
pthread_t* ret=NULL;
pthread_attr_t attr;
struct sched_param param;
ret = (pthread_t*)malloc(sizeof(pthread_t));
if(ret)
{
pthread_attr_init(&attr);
//pthread_attr_setdetachstate(&attr,PTHREAD_CREATE_DETACHED);
pthread_attr_setdetachstate(&attr,PTHREAD_CREATE_JOINABLE);
pthread_attr_setstacksize(&attr,MAX_STATCK_SIZE);
pthread_attr_setschedpolicy(&attr, SCHED_RR);
param.sched_priority = prior;
pthread_attr_setschedparam(&attr,¶m);
if(0 == pthread_create(ret,NULL,route,args))
{
pthread_attr_destroy(&attr);
return (void*)ret;
}
pthread_attr_destroy(&attr);
}
return NULL;
}
/*
pthread_join 编辑
函数pthread_join用来等待一个线程的结束,线程间同步的操作。头文件 ： #include <pthread.h>
函数定义： int pthread_join(pthread_t thread, void **retval);
描述 ：pthread_join()函数，以阻塞的方式等待thread指定的线程结束。当函数返回时，被等待线程的资源被收回
。如果线程已经结束，那么该函数会立即返回。并且thread指定的线程必须是joinable的。
参数 ：thread: 线程标识符，即线程ID，标识唯一线程。retval: 用户定义的指针，用来存储被等待线程的返回值。
返回值 ： 0代表成功。 失败，返回的则是错误号。
可以通过pthread_join()函数来使主线程阻塞等待其他线程退出，这样主线程可以清理其他线程的环境。
但是还有一些线程，更喜欢自己来清理退出的状态，他们也不愿意主线程调用pthread_join来等待他们
。我们将这一类线程的属性称为detached。如果我们在调用pthread_create()
函数的时候将属性设置为NULL，则表明我们希望所创建的线程采用默认的属性，也就是joinable。
*/
int osJoinThread(void* thread)
{
if (thread)
{
pthread_t tid = *((pthread_t*)thread);
pthread_join(tid,NULL);
free(thread);
}
return 0;
}
void* osCreateSemaphore(char* name,int level)
{
sem_t* ret;
ret = (sem_t*)malloc(sizeof(sem_t) + strlen(name));
if(ret)
{
sem_init(ret,0,level);
}
return ret;
}
int osTryWaitSemaphore(void* sem)
{
if (sem)
return sem_trywait((sem_t*)sem);
else
return 0;
}
int osWaitSemaphore(void* sem)
{
if (sem)
return sem_wait((sem_t*)sem);
else
return 0;
}
int osPostSemaphore(void* sem)
{
if (sem)
return sem_post((sem_t*)sem);
else
return 0;
}
int osDestroySemaphore(void* sem)
{
if (sem){
sem_destroy((sem_t*)sem);
free(sem);
}
return 0;
}
void* osMalloc(int size)
{
void *p=NULL;
if(size & 0xfff) // min size=4KB
{
size += 4096 - (size & 0xfff);
}
p=calloc(size,1);
return p;
}
void osFree(void* mem)
{
if (mem)
free(mem);
}
int osRecGetTime(char *localTime)
{
time_t now;
struct tm *timenow;
time(&now);
timenow = localtime(&now);
sprintf(localTime,"%04d%02d%02d%02d%02d%02d"
,timenow->tm_year+1900,timenow->tm_mon+1,timenow->tm_mday
,timenow->tm_hour,timenow->tm_min,timenow->tm_sec);
return 0;
}
int osRecCreateDir(char *Dir,char *NewDir)
{
int ret=0;
time_t now;
struct tm *timenow;
char sCmd[128]={0};
char LocalDir[128]={0};
if ( (!Dir)||(!NewDir) )
return -1;
time(&now);
timenow = localtime(&now);
sprintf(LocalDir,"%s%04d%02d%02d",Dir,
timenow->tm_year+1900,timenow->tm_mon+1,timenow->tm_mday);
ret=access(LocalDir, F_OK);
if (ret!=0){ //no exist
sprintf(sCmd,"mkdir %s",LocalDir);
ret=osSystem(sCmd);
if (!ret)
strcpy(NewDir,LocalDir);
}
else
strcpy(NewDir,LocalDir);
//VosPrint("%s(%s),ret=%d\n",__FUNCTION__,Dir,ret);
return ret;
}
int osSYS_GetTime(char *localTime)
{
time_t now;
struct tm *timenow;
time(&now);
timenow = localtime(&now);
sprintf(localTime,"%04dd-%02d-%02d %02d:%02d:%02d",timenow->tm_year+1900,timenow->tm_mon+1
,timenow->tm_mday,timenow->tm_hour,timenow->tm_min,timenow->tm_sec);
return 0;
}
int osNetMountNAS(const char *user,const char *pwd,const char *smbsrv,const char *sharepath)
{
int ret=0;
char buf[256]={0};
char *mountpoint="/mnt/nas/";
if(user&&pwd&&smbsrv&&sharepath&&mountpoint)
{
strcat(buf,"mount -t cifs -o ");
strcat(buf,"username=");
strcat(buf, user);
strcat(buf,",");
strcat(buf,"password=");
strcat(buf,pwd);
strcat(buf," //");
strcat(buf,smbsrv);
if(sharepath[0]!='/')
{
strcat(buf,"/");
}
strcat(buf,sharepath);
strcat(buf," ");
strcat(buf,mountpoint);
ret=system(buf);
}
return ret;
}
/*
FUNC description: use to check SD-card/NAS-disk mounted or not
INPUT:
OUTPUT:
RETURN: 0:not mounted, 1:mounted
NOTE:
example:
ret=osNetIsMounted("/mnt/sd1");
ret=osNetIsMounted("/mnt/nas");
*/
int osNetIsMounted(char *MountPoint)
{
int ret=0;
char sCmd[128]={0};
int fd=-1;
char buf[256]={0};
char *p=NULL;
if (!MountPoint)
return -1;
//MountPoint[strlen(MountPoint)-1]='\0';
sprintf(sCmd,"/bin/mount |/bin/grep %s >/tmp/mount.txt 2>/dev/null",MountPoint);
osSystem(sCmd);
usleep(300000); //wait 200ms
fd=open("/tmp/mount.txt",O_RDONLY);
if (fd>=0)
{
ret=read(fd,buf,sizeof(buf));
if (ret>0)
p=strstr(buf,MountPoint);
close(fd);
}
if (p!=NULL)
ret=1;
else
ret=0;
VosPrint("%s(%s),ret=%d\n",__FUNCTION__,MountPoint,ret);
return ret;
}
/*
FUNC description: use to get netcard mac address without ':'
INPUT:
const char *netcard, //net card name like eth0
const size_t nlen, //net card neme length like 4
char *mac //mac buffer
OUTPUT:
char *mac //mac address (ipv4)
RETURN: 0:success, -N: error number
NOTE:get mac from driver not config file
example:
char sMac[16]={0};
ret=osNetGetMacAddr("eth0",4,sMac);
*/
int osNetGetMacAddr(const char *netcard,const size_t nlen,char *mac)
{
int ret=-1;
int sock=-1;
struct ifreq ifr;
unsigned char ClientHwAddr[ETH_ALEN]={0};
if(netcard&&mac)
{
memset(&ifr,0,sizeof(struct ifreq));
memcpy(ifr.ifr_name,netcard,nlen);
sock= socket(AF_PACKET,SOCK_PACKET,htons(ETH_P_ALL));
if(sock)
{
if ( ioctl(sock,SIOCGIFHWADDR,&ifr)==0)
{
//memcpy((unsigned char*)mac,ifr.ifr_hwaddr.sa_data,ETH_ALEN);
memcpy(ClientHwAddr,ifr.ifr_hwaddr.sa_data,ETH_ALEN);
sprintf(mac,"%02x%02x%02x%02x%02x%02x",ClientHwAddr[0], ClientHwAddr[1], ClientHwAddr[2],
ClientHwAddr[3], ClientHwAddr[4], ClientHwAddr[5]);
ret=0;
}
else
{
ret=-3;
}
close(sock);sock=-1;
}
else
{
ret=-2;
}
}
else
{
ret=-1;
}
VosPrint("%s(%s),ret=%d,mac=%s\n",__FUNCTION__,netcard,ret,mac);
return ret;
}
/*
FUNC description: use to get IP address
INPUT:
char *ifname, //"eth0" or "wlan0" or "ra0"
char *ip //pointer to get
OUTPUT:
char *ip //net card ip
RETURN: 0:success, -N: error number
NOTE:
example:
ret=osNetGetIP("eth0",&ip);
*/
int osNetGetIP(char *ifname,char *ip)
{
int ret=0;
if ((!ifname)||(!ip))
return -1;
static const int families[] =
{
AF_INET, AF_IPX, AF_AX25, AF_APPLETALK
};
unsigned int i;
int sock;
struct sockaddr_in sin;
struct ifreq ifr;
//sock = socket(AF_INET, SOCK_DGRAM, 0);
/*
* Now pick any (exisiting) useful socket family for generic queries
* Note : don't open all the socket, only returns when one matches,
* all protocols might not be valid.
* Workaround by Jim Kaba <jkaba@sarnoff.com>
* Note : in 99% of the case, we will just open the inet_sock.
* The remaining 1% case are not fully correct...
*/
// Try all families we support
for(i = 0; i < sizeof(families)/sizeof(int); ++i)
{
sock = socket(families[i], SOCK_DGRAM, 0);
if(sock >= 0)
break;
}
if (sock<0)
{
ret= -1;
goto End;
}
strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
if (ioctl(sock, SIOCGIFADDR, &ifr) < 0)
{
ret=-2;
goto End;
}
memcpy(&sin, &ifr.ifr_addr, sizeof(sin));
memcpy(ip,inet_ntoa(sin.sin_addr),strlen(inet_ntoa(sin.sin_addr)));
End:
if (sock>=0)
close(sock);
VosPrint("%s(%s),ret=%d,ip=%s\n",__FUNCTION__,ifname,ret,ip);
return ret;
}
static unsigned long kscale(unsigned long b, unsigned long bs)
{
return (b * (unsigned long long) bs + 1024/2) / 1024;
}
/*
FUNC description: use to get sd card capacity(volume)
INPUT:char * MountPoint //sd card mounting point
OUTPUT:int *totalKiloBytes, int *freeKiloBytes //unit:KB
RETURN: 0:success, -nnnn:errno
NOTE:
example:
*/
int osGetStorageInfo(char * MountPoint,int *totalKiloBytes, int *freeKiloBytes)
{
int ret=0;
struct statfs statFS;
if ((!MountPoint)||(!totalKiloBytes)||(!freeKiloBytes))
return -1;
if (statfs(MountPoint, &statFS) == -1)
{
printf("statfs failed for path->[%s]\n", MountPoint);
ret=-2;
goto End;
}
*totalKiloBytes =kscale(statFS.f_blocks, statFS.f_bsize); //(statFS.f_blocks * statFS.f_frsize)/1024;
*freeKiloBytes = kscale(statFS.f_bavail, statFS.f_bsize); //(statFS.f_bfree * statFS.f_frsize)/1024;
End:
VosPrint("%s(%s,1K-blocks=%9lu,Available=%9lu),ret=%d\n",__FUNCTION__,MountPoint
,(long)*totalKiloBytes,(long)*freeKiloBytes,ret);
return ret;
}
int osFileNew(char *filename,char *data,int len)
{
int ret=0;
int wd=-1;
if ((!filename)||(!data))
return -1;
wd=open(filename,O_CREAT|O_RDWR|O_TRUNC);
if (wd<0){
ret=-3;goto End;
}
ret=write(wd,data,len);
if(len!=ret)
{
ret=-4;
goto End;
}
End:
if (wd>=0)
close(wd);
VosPrint("%s(%s),ret=%d\n",__FUNCTION__,filename,ret);
return ret;
}
int osFileCopy(char *infile,char *outfile)
{
int ret=0;
int rd=-1;
int wd=-1;
struct stat st;
char buf[0x1000]={0};
int len=0;
int size=0;
if ((!infile)||(!outfile))
return -1;
rd=open(infile,O_RDONLY);
if (rd<0){
ret=-2;goto End;
}
wd=open(outfile,O_CREAT|O_RDWR);
if (wd<0){
ret=-3;goto End;
}
memset(&st,0,sizeof(st));
ret=fstat(rd,&st);
if (ret<0){
ret=-4;goto End;
}
size=0;
while(1)
{
len=read(rd,buf,0x1000);
if(len<=0)
break;
ret=write(wd,buf,len);
if(len!=ret)
{
ret=-10;
break;
}
size+=len;
}
if (st.st_size!=size)
ret=-5;
else
ret=0;
End:
if (rd>=0)
close(rd);
if (wd>=0)
close(wd);
VosPrint("%s(%s,%s),ret=%d\n",__FUNCTION__,infile,outfile,ret);
return ret;
}
int osSystem(char *cmd) //call system()
{
int ret=0;
int status;
status = system(cmd);
if (-1 == status)
{
perror("system error!");
ret=-1;goto End;
}
else
{
//printf("exit status value = [0x%x],exit code=[0x%x]\n", status,WEXITSTATUS(status));
if (WIFEXITED(status))
{
if (WEXITSTATUS(status) >=0)
{
//printf("run shell script successfully.\n");
ret=WEXITSTATUS(status);
}
else
{
printf("run shell script fail, script exit code: %d\n", WEXITSTATUS(status));
ret=-2;
}
}
else
{
printf("exit status = [%d]\n", WEXITSTATUS(status));
ret=-3;
}
}
End:
//VosPrint("%s(%s),ret=%d[0x%x],exit status=%d\n",__FUNCTION__,cmd,ret,ret,WEXITSTATUS(status));
return ret;
}
/* date -s "2017-02-09 17:14:11"
Func: tranform to linux systime.
*/
int osdigit2time(char *timeStr, int iLen, struct tm *ptTime)
{
int ret=0;
char *pChar = timeStr;
// char sCmd[128]={0};
int s_iMonthFix[] = {2, 0, 2, 1, 2, 1, 2, 2, 1, 2, 1, 2};
memset(ptTime, 0, sizeof(*ptTime));
if ( (iLen != 14)||(!timeStr)||(!ptTime) )
{
ret=-1;goto End;
}
ptTime->tm_year = (pChar[0] - '0') * 1000 + (pChar[1] - '0') * 100 +
(pChar[2] - '0') * 10 + (pChar[3] - '0');
ptTime->tm_mon = (pChar[4] - '0') * 10 + (pChar[5] - '0');
ptTime->tm_mday = (pChar[6] - '0') * 10 + (pChar[7] - '0');
ptTime->tm_hour = (pChar[8] - '0') * 10 + (pChar[9] - '0');
ptTime->tm_min = (pChar[10] - '0') * 10 + (pChar[11] - '0');
ptTime->tm_sec = (pChar[12] - '0') * 10 + (pChar[13] - '0');
if (ptTime->tm_year >= 1900 && ptTime->tm_year < 2036 &&
ptTime->tm_mon < 13 &&
ptTime->tm_mday <= 29 + s_iMonthFix[ptTime->tm_mon - 1] &&
ptTime->tm_hour < 24 && ptTime->tm_min < 60 && ptTime->tm_sec < 60)
{
ret=0;
//sprintf(sCmd,"date -s \"%04dd-%02d-%02d %02d:%02d:%02d\"",ptTime->tm_year+1900,ptTime->tm_mon+1
// ,ptTime->tm_mday,ptTime->tm_hour,ptTime->tm_min,ptTime->tm_sec);
//ret=system(sCmd);
}
else{
ret= -2;
}
End:
VosPrint("%s(%s),ret=%d\n",__FUNCTION__,timeStr,ret);
return ret;
}
/*
Func: wget -i download.txt
return: 0: burn flash success! -nnnn: error code
Note: this func will not call reboot
*/
#if 1
int osFwNetUpdate(char* swUpdateUrl,int pid,char *wget)
{
int ret=0;
char sCmd[256]={0};
char *filename=NULL;
char *postfix=NULL;
char name[32]={0};
char TmpDir[64]="/mnt/mtd/ipc/tmpfs";
ret=access(TmpDir, F_OK);
if(ret != 0){
memset(TmpDir,0,sizeof(TmpDir));
strcpy(TmpDir,"/tmp");
}
sprintf(sCmd,"mkdir %s/fw;cd %s/fw;rm %s/fw/* -rf;%s -c %s"
,TmpDir,TmpDir,TmpDir,wget,swUpdateUrl);
system(sCmd);
filename=strrchr(swUpdateUrl,'/')+1;
if (!filename){
ret=-1;goto End;
}
sprintf(sCmd,"%s/fw/%s",TmpDir,filename);
if(access(sCmd,R_OK) != 0){
ret=-2;goto End;
}
postfix=strchr(filename,'.');
strncpy(name,filename,postfix-filename);
if (pid>0)
ret=utl_KillForced(pid);
sleep(1);
sprintf(sCmd,"cd %s/fw;tar xf %s",TmpDir,filename);ret=system(sCmd);
sleep(1);
sprintf(sCmd,"cd %s/fw/%s/;sh appins.sh",TmpDir,name);ret=system(sCmd);
sleep(1);
sprintf(sCmd,"rm %s/fw -rf",TmpDir);ret=system(sCmd);
ret=1;
End:
VosPrint("%s(%s,pid=%d),ret=%d\n",__FUNCTION__,swUpdateUrl,pid,ret);
return ret;
}
#else
int osFwNetUpdate(char* swUpdateUrl,int pid,char *wget)
{
int ret=0;
char sCmd[256]={0};
char *filename=NULL;
char *postfix=NULL;
char name[32]={0};
sprintf(sCmd,"cd /tmp;%s -c %s",wget,swUpdateUrl);system(sCmd);
if (pid>0)
ret=utl_KillForced(pid);
filename=strrchr(swUpdateUrl,'/')+1;
if (!filename){
ret=-1;goto End;
}
sprintf(sCmd,"/tmp/fw/%s",filename);
if(access(sCmd,R_OK) != 0){
ret=-2;goto End;
}
postfix=strchr(filename,'.');
strncpy(name,filename,postfix-filename);
sleep(1);
sprintf(sCmd,"cd /tmp;tar xf %s",filename);ret=system(sCmd);
sleep(1);
sprintf(sCmd,"sh /tmp/fw/%s/install.sh",name);ret=system(sCmd);
sleep(1);
sprintf(sCmd,"rm /tmp/fw -rf");ret=system(sCmd);
sleep(1);
system("reboot");system("/sbin/reboot");
End:
VosPrint("%s(%s,pid=%d),ret=%d\n",__FUNCTION__,swUpdateUrl,pid,ret);
return ret;
}
#endif
/*
Func: once timer only
*/
int osTimerCreate(struct timeval *pTimeout,lpTimeoutFunc TimeoutFunc,int sival)
{
int ret=0;
// XXX int timer_create(clockid_t clockid, struct sigevent *evp, timer_t *timerid);
// clockid--值：CLOCK_REALTIME,CLOCK_MONOTONIC，CLOCK_PROCESS_CPUTIME_ID,CLOCK_THREAD_CPUTIME_ID
// evp--存放环境值的地址,结构成员说明了定时器到期的通知方式和处理方式等
// timerid--定时器标识符
timer_t timerid=(timer_t)(-1);
sigevent_t evp;
memset(&evp, 0, sizeof(struct sigevent)); //清零初始化
evp.sigev_signo = SIGALRM;
evp.sigev_value.sival_int = sival;
evp.sigev_notify = SIGEV_THREAD;
evp.sigev_notify_function = (void*)TimeoutFunc;
evp.sigev_notify_attributes =NULL;
if (timer_create(CLOCK_REALTIME, &evp, &timerid) == -1)
{
ret=-2;goto End;
}
if (timerid<0)
{
ret=-3;goto End;
}
// XXX int timer_settime(timer_t timerid, int flags, const struct itimerspec *new_value,struct itimerspec *old_value);
// timerid--定时器标识
// flags--0表示相对时间，1表示绝对时间
// new_value--定时器的新初始值和间隔，如下面的it
// old_value--取值通常为0，即第四个参数常为NULL,若不为NULL，则返回定时器的前一个值
struct itimerspec it;
it.it_value.tv_sec = pTimeout->tv_sec;
it.it_value.tv_nsec = pTimeout->tv_usec*1000;
it.it_interval.tv_sec = 0; //once timer
it.it_interval.tv_nsec = 0;
if (timer_settime(timerid, 0, &it, NULL) == -1)
{
ret=-4;goto End;
}
ret=(int)timerid;
End:
VosPrint("%s(),ret=%d\n",__FUNCTION__,ret);
return ret;
}
int osTimerDelete(int timerid)
{
int ret=0;
ret=timer_delete((timer_t)timerid);
VosPrint("%s(),ret=%d\n",__FUNCTION__,ret);
return ret;
}
int osTimerSettime(int timerid,struct timeval *pTimeout)
{
int ret=0;
struct itimerspec it;
it.it_value.tv_sec = pTimeout->tv_sec;
it.it_value.tv_nsec = pTimeout->tv_usec*1000;
it.it_interval.tv_sec = 0; //once timer
it.it_interval.tv_nsec = 0;
ret=timer_settime((timer_t)timerid, 0, &it, NULL);
return ret;
}
#ifndef __MD5_C__
#define __MD5_C__
/*
* md5 function from linux kernel
*/
//#include <stdio.h>
//#include <string.h>
#include <endian.h>
//#include "md5.h"
static inline void swab(unsigned char *buf,int size)
{
unsigned char t;
int i;
int pos;
for(i=0;i<size/2;i++)
{
pos=size-i-1;
t=buf[i];
buf[i]=buf[pos];
buf[pos]=t;
}
return;
}
#define BYTEORDER_HAS_U64
#if __BYTE_ORDER == __LITTLE_ENDIAN
#define __le32_to_cpus(x) do { (void)(x); } while (0)
#define __cpu_to_le32s(x) do { (void)(x); } while (0)
#else
#define __le32_to_cpus(x) swab(x,4)
#define __cpu_to_le32s(x) swab(x,4)
#endif
#define F1(x, y, z) (z ^ (x & (y ^ z)))
#define F2(x, y, z) F1(z, x, y)
#define F3(x, y, z) (x ^ y ^ z)
#define F4(x, y, z) (y ^ (x | ~z))
#define MD5STEP(f, w, x, y, z, in, s) \
(w += f(x, y, z) + in, w = (w<<s | w>>(32-s)) + x)
static void md5_transform(unsigned int *hash, unsigned int const *in)
{
unsigned int a, b, c, d;
a = hash[0];
b = hash[1];
c = hash[2];
d = hash[3];
MD5STEP(F1, a, b, c, d, in[0] + 0xd76aa478, 7);
MD5STEP(F1, d, a, b, c, in[1] + 0xe8c7b756, 12);
MD5STEP(F1, c, d, a, b, in[2] + 0x242070db, 17);
MD5STEP(F1, b, c, d, a, in[3] + 0xc1bdceee, 22);
MD5STEP(F1, a, b, c, d, in[4] + 0xf57c0faf, 7);
MD5STEP(F1, d, a, b, c, in[5] + 0x4787c62a, 12);
MD5STEP(F1, c, d, a, b, in[6] + 0xa8304613, 17);
MD5STEP(F1, b, c, d, a, in[7] + 0xfd469501, 22);
MD5STEP(F1, a, b, c, d, in[8] + 0x698098d8, 7);
MD5STEP(F1, d, a, b, c, in[9] + 0x8b44f7af, 12);
MD5STEP(F1, c, d, a, b, in[10] + 0xffff5bb1, 17);
MD5STEP(F1, b, c, d, a, in[11] + 0x895cd7be, 22);
MD5STEP(F1, a, b, c, d, in[12] + 0x6b901122, 7);
MD5STEP(F1, d, a, b, c, in[13] + 0xfd987193, 12);
MD5STEP(F1, c, d, a, b, in[14] + 0xa679438e, 17);
MD5STEP(F1, b, c, d, a, in[15] + 0x49b40821, 22);
MD5STEP(F2, a, b, c, d, in[1] + 0xf61e2562, 5);
MD5STEP(F2, d, a, b, c, in[6] + 0xc040b340, 9);
MD5STEP(F2, c, d, a, b, in[11] + 0x265e5a51, 14);
MD5STEP(F2, b, c, d, a, in[0] + 0xe9b6c7aa, 20);
MD5STEP(F2, a, b, c, d, in[5] + 0xd62f105d, 5);
MD5STEP(F2, d, a, b, c, in[10] + 0x02441453, 9);
MD5STEP(F2, c, d, a, b, in[15] + 0xd8a1e681, 14);
MD5STEP(F2, b, c, d, a, in[4] + 0xe7d3fbc8, 20);
MD5STEP(F2, a, b, c, d, in[9] + 0x21e1cde6, 5);
MD5STEP(F2, d, a, b, c, in[14] + 0xc33707d6, 9);
MD5STEP(F2, c, d, a, b, in[3] + 0xf4d50d87, 14);
MD5STEP(F2, b, c, d, a, in[8] + 0x455a14ed, 20);
MD5STEP(F2, a, b, c, d, in[13] + 0xa9e3e905, 5);
MD5STEP(F2, d, a, b, c, in[2] + 0xfcefa3f8, 9);
MD5STEP(F2, c, d, a, b, in[7] + 0x676f02d9, 14);
MD5STEP(F2, b, c, d, a, in[12] + 0x8d2a4c8a, 20);
MD5STEP(F3, a, b, c, d, in[5] + 0xfffa3942, 4);
MD5STEP(F3, d, a, b, c, in[8] + 0x8771f681, 11);
MD5STEP(F3, c, d, a, b, in[11] + 0x6d9d6122, 16);
MD5STEP(F3, b, c, d, a, in[14] + 0xfde5380c, 23);
MD5STEP(F3, a, b, c, d, in[1] + 0xa4beea44, 4);
MD5STEP(F3, d, a, b, c, in[4] + 0x4bdecfa9, 11);
MD5STEP(F3, c, d, a, b, in[7] + 0xf6bb4b60, 16);
MD5STEP(F3, b, c, d, a, in[10] + 0xbebfbc70, 23);
MD5STEP(F3, a, b, c, d, in[13] + 0x289b7ec6, 4);
MD5STEP(F3, d, a, b, c, in[0] + 0xeaa127fa, 11);
MD5STEP(F3, c, d, a, b, in[3] + 0xd4ef3085, 16);
MD5STEP(F3, b, c, d, a, in[6] + 0x04881d05, 23);
MD5STEP(F3, a, b, c, d, in[9] + 0xd9d4d039, 4);
MD5STEP(F3, d, a, b, c, in[12] + 0xe6db99e5, 11);
MD5STEP(F3, c, d, a, b, in[15] + 0x1fa27cf8, 16);
MD5STEP(F3, b, c, d, a, in[2] + 0xc4ac5665, 23);
MD5STEP(F4, a, b, c, d, in[0] + 0xf4292244, 6);
MD5STEP(F4, d, a, b, c, in[7] + 0x432aff97, 10);
MD5STEP(F4, c, d, a, b, in[14] + 0xab9423a7, 15);
MD5STEP(F4, b, c, d, a, in[5] + 0xfc93a039, 21);
MD5STEP(F4, a, b, c, d, in[12] + 0x655b59c3, 6);
MD5STEP(F4, d, a, b, c, in[3] + 0x8f0ccc92, 10);
MD5STEP(F4, c, d, a, b, in[10] + 0xffeff47d, 15);
MD5STEP(F4, b, c, d, a, in[1] + 0x85845dd1, 21);
MD5STEP(F4, a, b, c, d, in[8] + 0x6fa87e4f, 6);
MD5STEP(F4, d, a, b, c, in[15] + 0xfe2ce6e0, 10);
MD5STEP(F4, c, d, a, b, in[6] + 0xa3014314, 15);
MD5STEP(F4, b, c, d, a, in[13] + 0x4e0811a1, 21);
MD5STEP(F4, a, b, c, d, in[4] + 0xf7537e82, 6);
MD5STEP(F4, d, a, b, c, in[11] + 0xbd3af235, 10);
MD5STEP(F4, c, d, a, b, in[2] + 0x2ad7d2bb, 15);
MD5STEP(F4, b, c, d, a, in[9] + 0xeb86d391, 21);
hash[0] += a;
hash[1] += b;
hash[2] += c;
hash[3] += d;
}
/* XXX: this stuff can be optimized */
static inline void le32_to_cpu_array(unsigned int *buf, unsigned int words)
{
while (words--) {
__le32_to_cpus(buf);