Its so simple, but it doesn't work!

Hi all,

I was hoping someone could explain to me why this very basic radius client
test program does not work. It seems simple enough. Everything's fine
except, the password received by the server is always garbled. I'm using
rad_alloc to create and packet and librad_md5_calc to encrypt the vector.
Isn't that all there is to it? I'm at my wits end! What am I missing!! And
help would be very much appreciated.

regards,

Arun Mundray.

char secret[] = "smeg";
char password[] = "pig";
char username[] = "user1";
int main (int argc, char **argv)
{
int sockfd,x,i;
char *ppassword;
RADIUS_PACKET *ppacket = NULL;
VALUE_PAIR *vp1;
VALUE_PAIR *vp2;

ppacket = rad_alloc(1);
sockfd = socket(AF_INET, SOCK_DGRAM, 0);
ppacket->sockfd = sockfd;
ppacket->src_ipaddr = 0;
ppacket->src_port = 0;
ppacket->dst_ipaddr = inet_addr("127.0.0.1");
ppacket->dst_port = 1812;

ppacket->id = getpid();
ppacket->code = PW_AUTHENTICATION_REQUEST;
ppacket->timestamp = 0;
ppacket->verified = 0; /* Not set. Returned packet*/
ppacket->data_len = 0; /* Not set. Returned packet*/
ppacket->data = NULL;

librad_md5_calc(ppacket->vector, ppacket->vector,
sizeof(ppacket->vector));

vp1 = (VALUE_PAIR *)malloc(sizeof(VALUE_PAIR));
vp2 = (VALUE_PAIR *)malloc(sizeof(VALUE_PAIR));
memset(vp1,0,sizeof(VALUE_PAIR));
memset(vp2,0,sizeof(VALUE_PAIR));

ppacket->vps = vp1;
vp1->next = vp2;
vp2->next = NULL;

strcpy(vp1->name,"User-Name");
vp1->attribute = PW_USER_NAME;
strcpy(vp1->strvalue,username);
vp1->operator = T_OP_EQ;
vp1->length = strlen(username);

strcpy(vp2->name,"User-Password");
vp2->attribute = PW_PASSWORD;
strcpy(vp2->strvalue, password);
vp2->length = strlen(password);
vp2->operator = T_OP_EQ;
rad_send(ppacket, NULL, secret);
close (ppacket->sockfd);
rad_free(&ppacket);
}




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