daxi20/smartdns
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

_dns_server_recv function refactoring

Browse Source
This commit is contained in:
Nick Peng
2019-07-08 23:30:14 +08:00
parent 301a60f6ed
commit 44c854dfec
3 changed files with 297 additions and 235 deletions
Download Patch File Download Diff File Expand all files Collapse all files

29
src/util.c
View File

@@ -138,6 +138,33 @@ errout:
return -1;
}
int fill_sockaddr_by_ip(unsigned char *ip, int ip_len, int port, struct sockaddr *addr, socklen_t *addr_len)
{
if (ip == NULL || addr == NULL || addr_len == NULL) {
return -1;
}
if (ip_len == IPV4_ADDR_LEN) {
struct sockaddr_in *addr_in = NULL;
addr->sa_family = AF_INET;
addr_in = (struct sockaddr_in *)addr;
addr_in->sin_port = htons(port);
addr_in->sin_family = AF_INET;
memcpy(&addr_in->sin_addr.s_addr, ip, ip_len);
*addr_len = 16;
} else if (ip_len == IPV6_ADDR_LEN) {
struct sockaddr_in6 *addr_in6 = NULL;
addr->sa_family = AF_INET6;
addr_in6 = (struct sockaddr_in6 *)addr;
addr_in6->sin6_port = htons(port);
addr_in6->sin6_family = AF_INET6;
memcpy(addr_in6->sin6_addr.s6_addr, ip, ip_len);
*addr_len = 28;
}
return -1;
}
int parse_ip(const char *value, char *ip, int *port)
{
int offset = 0;
@@ -350,7 +377,7 @@ int set_fd_nonblock(int fd, int nonblock)
return 0;
}
char *reverse_string(char *output, char *input, int len, int to_lower_case)
char *reverse_string(char *output, const char *input, int len, int to_lower_case)
{
char *begin = output;
if (len <= 0) {