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Add TCP client support.

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@4100 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Johan Danielsson
1997-12-04 18:17:21 +00:00
parent 6c9f0cf6e7
commit 861398aee4
1 changed files with 39 additions and 4 deletions
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43
lib/krb5/send_to_kdc.c
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@@ -83,6 +83,33 @@ send_and_recv (int fd,
return 0;
}
static int
send_and_recv_udp(int fd,
time_t tmout,
const krb5_data *send,
krb5_data *recv)
{
return send_and_recv(fd, tmout, 1, send, recv);
}
static int
send_and_recv_tcp(int fd,
time_t tmout,
const krb5_data *Send,
krb5_data *recv)
{
unsigned char len[4];
k_put_int(len, Send->length, 4);
send(fd, len, sizeof(len), 0);
if(send_and_recv(fd, tmout, 0, Send, recv))
return -1;
if(recv->length < 4)
return -1;
memmove(recv->data, (char*)recv->data + 4, recv->length - 4);
recv->length -= 4;
return 0;
}
static int
send_and_recv_http(int fd,
time_t tmout,
@@ -166,11 +193,16 @@ krb5_sendto_kdc (krb5_context context,
char *addr;
char *colon;
int http_flag = 0;
int tcp_flag = 0;
int sa_size;
if(strncmp(p, "http://", 7) == 0){
p += 7;
http_flag = 1;
port = htons(80);
}else if(strncmp(p, "tcp/", 4) == 0){
p += 4;
tcp_flag = 1;
}
colon = strchr (p, ':');
if (colon)
@@ -189,7 +221,7 @@ krb5_sendto_kdc (krb5_context context,
while ((addr = *hostent->h_addr_list++)) {
int family = hostent->h_addrtype;
if(http_flag)
if(http_flag || tcp_flag)
fd = socket(family, SOCK_STREAM, 0);
else
fd = socket(family, SOCK_DGRAM, 0);
@@ -214,10 +246,13 @@ krb5_sendto_kdc (krb5_context context,
if(http_flag)
ret = send_and_recv_http(fd, context->kdc_timeout,
send, receive);
else
else if(tcp_flag)
ret = send_and_recv (fd, context->kdc_timeout, 1,
send, receive);
ret = send_and_recv_tcp (fd, context->kdc_timeout,
send, receive);
else
ret = send_and_recv_udp (fd, context->kdc_timeout,
send, receive);
close (fd);
if(ret == 0 && receive->length != 0)
goto out;