+ char *p, *q;
+
+ /* seperate parameter from filter */
+ p = value;
+ while(*p > 32)
+ p++;
+ if (*p)
+ {
+ *p++ = 0;
+ while(*p > 0 && *p <= 32)
+ p++;
+ }
+
+ if (!strcasecmp(value, "gain"))
+ {
+ q = p;
+ while(*q > 32)
+ q++;
+ if (*q)
+ {
+ *q++ = 0;
+ while(*q > 0 && *q <= 32)
+ q++;
+ }
+ if (*p == 0 || *q == 0)
+ {
+ SPRINT(interface_error, "Error in %s (line %d): parameter '%s %s' expects two gain values.\n", filename, line, parameter, value);
+ return(-1);
+ }
+ if (atoi(p)<-8 || atoi(p)>8 || atoi(q)<-8 || atoi(q)>8)
+ {
+ SPRINT(interface_error, "Error in %s (line %d): parameter '%s %s' gain values not in range. (-8...8)\n", filename, line, parameter, value);
+ return(-1);
+ }
+ interface->gain_tx = atoi(p);
+ interface->gain_rx = atoi(q);
+ } else
+ if (!strcasecmp(value, "pipeline"))
+ {
+ if (*p == 0)
+ {
+ SPRINT(interface_error, "Error in %s (line %d): parameter '%s %s' expects pipeline string.\n", filename, line, parameter, value);
+ return(-1);
+ }
+ SCPY(interface->pipeline, p);
+ } else
+ if (!strcasecmp(value, "blowfish"))
+ {
+ unsigned char key[56];
+ int l;
+
+ if (!!strncmp(p, "0x", 2))
+ {
+ SPRINT(interface_error, "Error in %s (line %d): parameter '%s %s' expects blowfish key starting with '0x'.\n", filename, line, parameter, value);
+ return(-1);
+ }
+ p += 2;
+ l = 0;
+ while(*p)
+ {
+ if (l == 56)
+ {
+ SPRINT(interface_error, "Error in %s (line %d): parameter '%s %s' key too long.\n", filename, line, parameter, value);
+ return(-1);
+ }
+ if (*p >= '0' && *p <= '9')
+ key[l] = (*p-'0')<<4;
+ else if (*p >= 'a' && *p <= 'f')
+ key[l] = (*p-'a'+10)<<4;
+ else if (*p >= 'A' && *p <= 'F')
+ key[l] = (*p-'A'+10)<<4;
+ else
+ {
+ digout:
+ SPRINT(interface_error, "Error in %s (line %d): parameter '%s %s' key has digits out of range. (0...9, a...f)\n", filename, line, parameter, value);
+ return(-1);
+ }
+ p++;
+ if (*p == 0)
+ {
+ SPRINT(interface_error, "Error in %s (line %d): parameter '%s %s' key must end on an 8 bit boundary (two character boundary).\n", filename, line, parameter, value);
+ return(-1);
+ }
+ if (*p >= '0' && *p <= '9')
+ key[l] = (*p-'0')<<4;
+ else if (*p >= 'a' && *p <= 'f')
+ key[l] = (*p-'a'+10)<<4;
+ else if (*p >= 'A' && *p <= 'F')
+ key[l] = (*p-'A'+10)<<4;
+ else
+ goto digout;
+ p++;
+ l++;
+ }
+ if (l < 4)
+ {
+ SPRINT(interface_error, "Error in %s (line %d): parameter '%s %s' key must be at least 4 bytes (8 characters).\n", filename, line, parameter, value);
+ return(-1);
+ }
+ memcpy(interface->bf_key, key, l);
+ interface->bf_len = l;
+ } else
+ {
+ SPRINT(interface_error, "Error in %s (line %d): parameter '%s' has unknown filter '%s'.\n", filename, line, parameter, value);
+ return(-1);
+ }