Function parse_avp_def

modules/aaa_diameter/app_opensips/avps.c:474–555

static int parse_avp_def(struct dm_avp_def *avps, int *avp_count, char *line, int len)
{
	char *p = line, *avp_name;

	avp_name = p;
	while (*p && !isspace(*p)) { p++; len--; }
	avps[*avp_count].name_len = p - avp_name;

	if (avps[*avp_count].name_len > 64) {
		LOG_ERROR("AVP max name length exceeded (64)\n");
		return -1;
	}

	memcpy(&avps[*avp_count].name, avp_name, avps[*avp_count].name_len);
	avps[*avp_count].name[avps[*avp_count].name_len] = '\0';

	while (isspace(*p)) { p++; len--; }

	if (*p != '|')
		goto error;

	p++; len--;
	while (isspace(*p)) { p++; len--; }

	switch (*p) {
	case 'F':
		if (len < strlen("FIXED_HEAD") || memcmp(p, "FIXED_HEAD", 10))
			goto error;

		avps[*avp_count].pos = RULE_FIXED_HEAD;
		p += 10;
		len -= 10;
		break;

	case 'R':
		if (len < strlen("REQUIRED") || memcmp(p, "REQUIRED", 8))
			goto error;

		avps[*avp_count].pos = RULE_REQUIRED;
		p += 8;
		len -= 8;
		break;

	case 'O':
		if (len < strlen("OPTIONAL") || memcmp(p, "OPTIONAL", 8))
			goto error;

		avps[*avp_count].pos = RULE_OPTIONAL;
		p += 8;
		len -= 8;
		break;

	default:
		LOG_ERROR("bad AVP flag in: '... | %s'\n", p);
		goto error;
	}

	while (isspace(*p)) { p++; len--; }