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#36 client now reads raw reply

This commit is contained in:
Erik Ekman 2009-06-14 14:01:48 +00:00
parent b37d5481cd
commit 75681834f4
1 changed files with 20 additions and 12 deletions
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30
src/iodine.c
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@ -678,7 +678,7 @@ handshake_raw_udp(int dns_fd, int seed)
fd_set fds; fd_set fds;
int i; int i;
int r; int r;
int read; int len;
unsigned remoteaddr = 0; unsigned remoteaddr = 0;
struct in_addr server; struct in_addr server;
@ -696,8 +696,8 @@ handshake_raw_udp(int dns_fd, int seed)
r = select(dns_fd + 1, &fds, NULL, NULL, &tv); r = select(dns_fd + 1, &fds, NULL, NULL, &tv);
if(r > 0) { if(r > 0) {
read = read_dns(dns_fd, in, sizeof(in)); len = read_dns(dns_fd, in, sizeof(in));
if (read == 5 && in[0] == 'I') { if (len == 5 && in[0] == 'I') {
/* Received IP address */ /* Received IP address */
remoteaddr = (in[1] & 0xff); remoteaddr = (in[1] & 0xff);
remoteaddr <<= 8; remoteaddr <<= 8;
@ -719,7 +719,7 @@ handshake_raw_udp(int dns_fd, int seed)
fprintf(stderr, " failed to get IP.\n"); fprintf(stderr, " failed to get IP.\n");
return 1; return 1;
} }
fprintf(stderr, " at %s", inet_ntoa(server)); fprintf(stderr, " at %s: ", inet_ntoa(server));
fflush(stderr); fflush(stderr);
/* Store address to iodined server */ /* Store address to iodined server */
@ -743,18 +743,26 @@ handshake_raw_udp(int dns_fd, int seed)
r = select(dns_fd + 1, &fds, NULL, NULL, &tv); r = select(dns_fd + 1, &fds, NULL, NULL, &tv);
if(r > 0) { if(r > 0) {
read = read_dns(dns_fd, in, sizeof(in)); len = read(dns_fd, in, sizeof(in));
} else { if (len >= (17 + RAW_HDR_LEN)) {
char hash[16];
login_calculate(hash, 16, password, seed - 1);
if (memcmp(in, raw_header, RAW_HDR_IDENT_LEN) == 0
&& in[RAW_HDR_CMD] == RAW_HDR_CMD_LOGIN
&& memcmp(&in[RAW_HDR_LEN], hash, sizeof(hash)) == 0
&& in[16 + RAW_HDR_LEN] == userid) {
fprintf(stderr, "OK\n");
return 0;
}
}
}
fprintf(stderr, "."); fprintf(stderr, ".");
fflush(stderr); fflush(stderr);
} }
}
fprintf(stderr, "failed\n");
/* TODO */
fprintf(stderr, ": not implemented\n");
return 1; return 1;
/* TODO and then return 0 on success */
} }
static void static void