common.c

基于h323协议的软phone

	for (i = 0; i < strlen(key); i++)
	{
		printf("play tone %c\n", key[i]);

		if (i == LCD_WIDTH)
		{
			if (row == 1)
			{
				ClearLcd();
				strncpy(tempKey, key, LCD_WIDTH);
				tempKey[LCD_WIDTH] = '\0';
				WriteLcd(tempKey, 0, 0);
				
			}
			pos.row = 1;
			pos.col = 0;
			lcdSetCurPos(pos);
		}
		
		lcdPutCharRel(key[i]);		
		
		if (key[i] == klcKeySTAR)
			tone = dtmf_star;
		else if (key[i] == klcKeyHASH)
			tone = dtmf_hash;
		else if (key[i] >= '0' && key[i] <= '9')
			tone = key[i] - '0' + 1;
		else
			tone = null_dtmf_tone;
		
		StopTone(); 
		taskDelay(TASK_DELAY_ONE_SEC / 10);
		PlayDTMF( tone );
		taskDelay(TASK_DELAY_ONE_SEC / 10);
	}
	StopTone();	
}

int getNameFromPhoneBook(char* phoneNum, char* name, int nameSize)
{
	int i;
	if (nameSize < 20 || phoneNum == NULL || name == NULL)
	{
		/*printf("error in entering getNameFromPhoneBook!\n");*/
		return -1;
	}

	if (phoneNum[0] == 0)
	{
		name[0] = 0;
		return 0;
	}

	for (i = 0; i < MAX_PHONE_BOOK; i++)
	{
		if (strcmp(phoneNum, phonebook[i].number) == 0)
		{
			strncpy(name, phonebook[i].name, nameSize);
			return 0;
		}
	}

	return -2;
}

/* 判断何种状态能收集号码，供菜单使用 */ 
int CanCollectDigits()
{
#ifdef HC
	if ( (*state == ST_H323_ON_HOOK_STATE) ||
		(*state == ST_H323_BIDIR_VOICE_STATE))
#endif
#ifdef SIP
	if ( (*state == ST_SIP_APP_ON_HOOK) ||
		(*state == ST_SIP_APP_VOICE))
#endif
#ifdef MGCP
	if ( (*state == ST_MGCP_IDLE) ||
		(*state == ST_MGCP_ACTIVE))
#endif		
		return TRUE;
	else
		return FALSE;
}

/* 按键查看未接来电时，是否可以关掉指示灯 */
unsigned char closeNoAnswerCallLed()
{
	noAnswerCall = 0;
	if (on_speakerphone)
	{
		return FALSE;
	}
	else
	{		
		return TRUE;
	}
}

void ChangeHttpPwd(char * password)
{
	HTTP_GEN_LIST_ENTRY_ID gidEntryId,authEntryId;
	unsigned short usIndex = 0;
	printf("Enter httpPwd...\n");
	httpPwdConfLock();
	if ((gidEntryId = httpPwdGroupIterator(&usIndex) ) != NULL)
	{
		usIndex = 0;
		if ((authEntryId = httpPwdAuthIterator(gidEntryId , &usIndex)) != NULL)
		{
			httpPwdConfDelete(gidEntryId, authEntryId);
			httpPwdConfAdd("Superuser", HTTP_LOGIN_USER, password);
			printf("Password changed! %s\n", password);
		}
	}
	httpPwdConfUnlock();
}

/**
* 重定向输出
*/
PreFdStruct preFd;

int OutputRedirect()
{
	int sockfd, yes = 1;
	struct sockaddr_in client_addr, server_addr;
	int addrLen = sizeof(struct sockaddr_in);
	
	if ((sockfd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0)
	{
		perror("socket");
		return ERROR;
	}
	memset((void *) &client_addr, 0, addrLen);
	client_addr.sin_len = addrLen;
	client_addr.sin_family = AF_INET;
	client_addr.sin_port = htons(OUTPUT_SOCK_PORT);
	client_addr.sin_addr.s_addr = htonl(INADDR_ANY);
	
	if (setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, (char *) &yes, sizeof(yes)) < 0)
	{
		perror("reuseaddr");
		close(sockfd);
		return ERROR;
	}
	if (bind(sockfd, (struct sockaddr *) &client_addr, sizeof(struct sockaddr)) < 0)
	{
		perror("bind");
		close(sockfd);
		return ERROR;
	}
	memset(&server_addr, 0, addrLen);
	server_addr.sin_len = addrLen;
	server_addr.sin_family = AF_INET;
	server_addr.sin_port = htons(phoneconfig.conf_basic.dstport);
	server_addr.sin_addr.s_addr = htonl(phoneconfig.conf_basic.dstaddr);
	
	if (connect(sockfd, (struct sockaddr *) &server_addr, sizeof(struct sockaddr)) < 0)
	{
		perror("connect");
		close(sockfd);
		return ERROR;
	}
	
	if (!preFd.direct)
	{
		preFd.direct = 1;
		/*preFd.in = ioGlobalStdGet(STD_IN);*/
		preFd.out = ioGlobalStdGet(STD_OUT);
		preFd.err = ioGlobalStdGet(STD_ERR);
	}
	else
	{
		close(ioGlobalStdGet(STD_OUT));
	}
	
	/*ioGlobalStdSet(STD_IN,  sockfd);*/
    ioGlobalStdSet(STD_OUT, sockfd);
    ioGlobalStdSet(STD_ERR, sockfd);
    
    return OK;
}

/**
* 恢复初始设置
*/
int RestoreOutput()
{
	if (preFd.direct)
	{
		preFd.direct = 0;
		close(ioGlobalStdGet(STD_OUT));
	
		/*ioGlobalStdSet(STD_IN,  preFd.in);*/
	    ioGlobalStdSet(STD_OUT, preFd.out);
	    ioGlobalStdSet(STD_ERR, preFd.err);
	}
}


void reboot_system()
{
	recordAllCall();
	if (gkEnabled)
	{
		if (SpawnTask( "tSendURQTsk", (FUNCPTR) sendURQTask, FALSE, 100, 10*1024 ) == ERROR)
		{
			printf("H323Reboot: Unable to spawn URQ sending task\n");
		}
	}
	taskDelay(50);
	pgi_reboot();
}

/* 是否可以设置RingVolume、RingType，供菜单使用
     通话状态下不允许进入这两个菜单项
*/
unsigned char  canSetRingInMenu()
{
#ifdef HC
	if (ST_H323_BIDIR_VOICE_STATE == *state)
#endif
#ifdef SIP
	if (ST_SIP_APP_VOICE == *state)
#endif
#ifdef MGCP
	if (ST_MGCP_ACTIVE == *state)
#endif	
	{
		return FALSE;
	}
	else
	{
		return TRUE;
	}
}

int isOnHookState()
{
	return (*state == ST_H323_ON_HOOK_STATE);
}

/* 发送通话时间到计费服务器 */
int sendTimeToBillingServer(char *buf, int size)
{	
	int udpsock;
	struct sockaddr_in destaddr;
	int rc;		
	
	udpsock = socket(AF_INET, SOCK_DGRAM, 0);
	if (udpsock < 0)
	{
		printf("open socket fail \n");
		return ERROR;
	}

	destaddr.sin_family = AF_INET;
	destaddr.sin_addr.s_addr = htonl(phoneconfig.conf_service.billingserverip);
	destaddr.sin_port = htons(phoneconfig.conf_service.billingserverport);
	  
	rc = sendto(udpsock, (char *)buf, size, 0, (SOCKADDR *)&destaddr, sizeof(destaddr));
	if (rc != size)
	{
		printf("send buffer to server failed\n");
		close(udpsock);
		return ERROR;
	}
	close(udpsock);
	return OK;
}

/*
 * This code implements the MD5 message-digest algorithm.
 * To compute the message digest of a chunk of bytes, declare an
 * MD5Context structure, pass it to MD5Init, call MD5Update as
 * needed on buffers full of bytes, and then call MD5Final, which
 * will fill a supplied 16-byte array with the digest. 
 */
void byteReverse(unsigned char *buf, unsigned longs);
/* 
 * Note: this code is harmless on little-endian machines.
 */
void byteReverse(unsigned char *buf, unsigned longs)
{    
	uint32 t;    
	do 
	{
		t = (uint32) ((unsigned) buf[3] << 8 | buf[2]) << 16 | ((unsigned) buf[1] << 8 | buf[0]);	
		*(uint32 *) buf = t;	
		buf += 4;    
	} while (--longs);
}

/* 
 * Start MD5 accumulation.  Set bit count to 0 and buffer to mysterious 
 * initialization constants. 
 */
void MD5Init(struct MD5Context *ctx)
{
	ctx->buf[0] = 0x67452301;
	ctx->buf[1] = 0xefcdab89;
	ctx->buf[2] = 0x98badcfe;
	ctx->buf[3] = 0x10325476;
	ctx->bits[0] = 0;
	ctx->bits[1] = 0;
}

/* 
 * Update context to reflect the concatenation of another buffer full
 * of bytes.
 */
void MD5Update(struct MD5Context *ctx, unsigned char const *buf, unsigned len)
{
	uint32 t;    /* Update bitcount */
	t = ctx->bits[0];
	if ((ctx->bits[0] = t + ((uint32) len << 3)) < t)
		ctx->bits[1]++;		/* Carry from low to high */

	ctx->bits[1] += len >> 29;
	t = (t >> 3) & 0x3f;	/* Bytes already in shsInfo->data */

	/* Handle any leading odd-sized chunks */
	if (t)
	{
		unsigned char *p = (unsigned char *) ctx->in + t;
		t = 64 - t;
		if (len < t)
		{
			memcpy(p, buf, len);
			return;
		}
		memcpy(p, buf, t);
		byteReverse(ctx->in, 16);
		MD5Transform(ctx->buf, (uint32 *) ctx->in);
		buf += t;
		len -= t;
	}  
	/* Process data in 64-byte chunks */
	while (len >= 64) 
	{
		memcpy(ctx->in, buf, 64);
		byteReverse(ctx->in, 16);
		MD5Transform(ctx->buf, (uint32 *) ctx->in);
		buf += 64;	
		len -= 64;
	}
	/* Handle any remaining bytes of data. */ 
	memcpy(ctx->in, buf, len);
}

/* 
 * Final wrapup - pad to 64-byte boundary with the bit pattern
 * 1 0* (64-bit count of bits processed, MSB-first) 
 */
void MD5Final(unsigned char digest[16], struct MD5Context *ctx)
{
	unsigned count;
	unsigned char *p;
	/* Compute number of bytes mod 64 */
	count = (ctx->bits[0] >> 3) & 0x3F;
	/* Set the first char of padding to 0x80.  This is safe since there is
	    always at least one byte free */
	p = ctx->in + count;
	*p++ = 0x80;
	/* Bytes of padding needed to make 64 bytes */
	count = 64 - 1 - count;
	/* Pad out to 56 mod 64 */
	if (count < 8)
	{
		/* Two lots of padding:  Pad the first block to 64 bytes */
		memset(p, 0, count);
		byteReverse(ctx->in, 16);
		MD5Transform(ctx->buf, (uint32 *) ctx->in);
		/* Now fill the next block with 56 bytes */
		memset(ctx->in, 0, 56);
	}
	else
	{
		/* Pad block to 56 bytes */
		memset(p, 0, count - 8);
	}
	byteReverse(ctx->in, 14);
	/* Append length in bits and transform */
	((uint32 *) ctx->in)[14] = ctx->bits[0];
	((uint32 *) ctx->in)[15] = ctx->bits[1];
	MD5Transform(ctx->buf, (uint32 *) ctx->in);
	byteReverse((unsigned char *) ctx->buf, 4);
	memcpy(digest, ctx->buf, 16);
	memset(ctx, 0, sizeof(ctx));	/* In case it's sensitive */
}

#ifndef ASM_MD5

/* The four core functions - F1 is optimized somewhat */

/* #define F1(x, y, z) (x & y | ~x & z) */
#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))

/* This is the central step in the MD5 algorithm. */
#define MD5STEP(f, w, x, y, z, data, s) \
	( w += f(x, y, z) + data,  w = w<<s | w>>(32-s),  w += x )

/* 
 * The core of the MD5 algorithm, this alters an existing MD5 hash to
 * reflect the addition of 16 longwords of new data.  MD5Update blocks
 * the data and converts bytes into longwords for this routine. 
 */
 void MD5Transform(uint32 buf[4], uint32 const in[16])
 {
 	register uint32 a, b, c, d;
	
	a = buf[0];
	b = buf[1];
	c = buf[2];
	d = buf[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); 

	buf[0] += a;  
	buf[1] += b; 
	buf[2] += c;  
	buf[3] += d;
}

#endif

#ifdef __cplusplus
}
#endif