C++ (Cpp) issyspara Exemples

Exemple #1

// restore nvram from file
int nvram_restore(char *file, char *buf)
{
   	FILE *fp;
   	char header[8], *p, *v;
  	unsigned long count, *filelen;

   	if ((fp=fopen(file, "r+"))==NULL) return -1;
    	   
   	count = fread(header, 1, 8, fp);
   	if (count>=8 && strncmp(header, PROFILE_HEADER, 4)==0)
   	{  
	    filelen = (unsigned long *)(header + 4);
   	    count = fread(buf, 1, *filelen, fp);
   	}   
   	fclose(fp);

   	p = buf;       		   
   
   	while (*p)
   	{       
		//printf("nv:%s\n", p);     	     			     	
       		v = strchr(p, '=');

		if (v!=NULL)
		{	
			*v++ = '\0' /*eric--NULL*/;

			if (issyspara(p))
			{
				nvram_set(p, v);
			}

       			p = v + strlen(v) + 1;			
		}
		else 
		{
			nvram_unset(p);
			p = p + 1;
		}
   	}

	nvram_set("x_Setting", "1");
	return 0;
}

Exemple #2

Fichier : main.c Projet : themiron/asuswrt-merlin

int nvram_restore_new(char *file, char *buf)
{
	FILE *fp;
	char header[8], *p, *v;
	unsigned long count, filelen, *filelenptr, i;
	unsigned char rand, *randptr;

	if ((fp = fopen(file, "r+")) == NULL) return -1;

	count = fread(header, 1, 8, fp);
	if (count>=8 && strncmp(header, PROFILE_HEADER, 4) == 0)
	{
		filelenptr = (unsigned long *)(header + 4);
#ifdef ASUS_DEBUG
		fprintf(stderr, "restoring original text cfg of length %x\n", *filelenptr);
#endif
		fread(buf, 1, *filelenptr, fp);
	}
	else if (count>=8 && strncmp(header, PROFILE_HEADER_NEW, 4) == 0)
	{
		filelenptr = (unsigned long *)(header + 4);
		filelen = *filelenptr & 0xffffff;
#ifdef ASUS_DEBUG
		fprintf(stderr, "restoring non-text cfg of length %x\n", filelen);
#endif
		randptr = (unsigned char *)(header + 7);
		rand = *randptr;
#ifdef ASUS_DEBUG
		fprintf(stderr, "non-text cfg random number %x\n", rand);
#endif
		count = fread(buf, 1, filelen, fp);
#ifdef ASUS_DEBUG
		fprintf(stderr, "non-text cfg count %x\n", count);
#endif
		for (i = 0; i < count; i++)
		{
			if ((unsigned char) buf[i] > ( 0xfd - 0x1)){
				/* e.g.: to skip the case: 0x61 0x62 0x63 0x00 0x00 0x61 0x62 0x63 */
				if(i > 0 && buf[i-1] != 0x0)
					buf[i] = 0x0;
			}
			else
				buf[i] = 0xff + rand - buf[i];
		}
#ifdef ASUS_DEBUG
		for (i = 0; i < count; i++)
		{
			if (i % 16 == 0) fprintf(stderr, "\n");
			fprintf(stderr, "%2x ", (unsigned char) buf[i]);
		}

		for (i = 0; i < count; i++)
		{
			if (i % 16 == 0) fprintf(stderr, "\n");
			fprintf(stderr, "%c", buf[i]);
		}
#endif
	}
	else
	{
		fclose(fp);
		return 0;
	}
	fclose(fp);

	p = buf;

	while (*p)
	{
#if 1
		/* e.g.: to skip the case: 00 2e 30 2e 32 38 00 ff 77 61 6e */
		if(*p == NULL || *p < 32 || *p > 127 ){
			p = p + 1;
			continue;
		}
#endif
		v = strchr(p, '=');

		if (v != NULL)
		{
			*v++ = '\0';

			if (issyspara(p))
				nvram_set(p, v);

			p = v + strlen(v) + 1;
		}
		else
		{
			nvram_unset(p);
			p = p + 1;
		}
	}
	return 0;
}