diff options
Diffstat (limited to 'eBones/lib/libkrb/send_to_kdc.c')
| -rw-r--r-- | eBones/lib/libkrb/send_to_kdc.c | 180 |
1 files changed, 86 insertions, 94 deletions
diff --git a/eBones/lib/libkrb/send_to_kdc.c b/eBones/lib/libkrb/send_to_kdc.c index 43f04a2..1e1da44 100644 --- a/eBones/lib/libkrb/send_to_kdc.c +++ b/eBones/lib/libkrb/send_to_kdc.c @@ -4,18 +4,22 @@ * <Copyright.MIT>. * * from: send_to_kdc.c,v 4.20 90/01/02 13:40:37 jtkohl Exp $ - * $Id: send_to_kdc.c,v 1.3 1995/01/25 06:37:33 gibbs Exp $ + * $Id: send_to_kdc.c,v 1.3 1995/07/18 16:39:42 mark Exp $ */ +#if 0 #ifndef lint static char rcsid_send_to_kdc_c[] = "$Id: send_to_kdc.c,v 1.1 1994/03/21 17:35:39 piero Exp "; #endif /* lint */ +#endif #include <krb.h> #include <prot.h> #include <stdio.h> +#include <stdlib.h> +#include <unistd.h> #include <errno.h> #include <sys/time.h> #include <sys/types.h> @@ -24,16 +28,12 @@ static char rcsid_send_to_kdc_c[] = #endif /* lint */ #include <sys/socket.h> #include <netinet/in.h> +#include <arpa/inet.h> #include <netdb.h> #include <strings.h> #define S_AD_SZ sizeof(struct sockaddr_in) -extern int errno; -extern int krb_debug; - -extern char *malloc(), *calloc(), *realloc(); - int krb_udp_port = 0; /* CLIENT_KRB_TIMEOUT indicates the time to wait before @@ -41,7 +41,6 @@ int krb_udp_port = 0; */ static struct timeval timeout = { CLIENT_KRB_TIMEOUT, 0}; static char *prog = "send_to_kdc"; -static send_recv(); /* * This file contains two routines, send_to_kdc() and send_recv(). @@ -49,6 +48,85 @@ static send_recv(); */ /* + * try to send out and receive message. + * return 1 on success, 0 on failure + */ + +static int send_recv(KTEXT pkt, KTEXT rpkt, int f, struct sockaddr_in *_to, + struct hostent *addrs) +{ + fd_set readfds; + register struct hostent *hp; + struct sockaddr_in from; + int sin_size; + int numsent; + + if (krb_debug) { + if (_to->sin_family == AF_INET) + printf("Sending message to %s...", + inet_ntoa(_to->sin_addr)); + else + printf("Sending message..."); + (void) fflush(stdout); + } + if ((numsent = sendto(f,(char *)(pkt->dat), pkt->length, 0, + (struct sockaddr *)_to, + S_AD_SZ)) != pkt->length) { + if (krb_debug) + printf("sent only %d/%d\n",numsent, pkt->length); + return 0; + } + if (krb_debug) { + printf("Sent\nWaiting for reply..."); + (void) fflush(stdout); + } + FD_ZERO(&readfds); + FD_SET(f, &readfds); + errno = 0; + /* select - either recv is ready, or timeout */ + /* see if timeout or error or wrong descriptor */ + if (select(f + 1, &readfds, (fd_set *)0, (fd_set *)0, &timeout) < 1 + || !FD_ISSET(f, &readfds)) { + if (krb_debug) { + fprintf(stderr, "select failed: readfds=%lx", + (unsigned long)&readfds); + perror(""); + } + return 0; + } + sin_size = sizeof(from); + if (recvfrom(f, (char *)(rpkt->dat), sizeof(rpkt->dat), 0, + (struct sockaddr *)&from, &sin_size) + < 0) { + if (krb_debug) + perror("recvfrom"); + return 0; + } + if (krb_debug) { + printf("received packet from %s\n", inet_ntoa(from.sin_addr)); + fflush(stdout); + } + for (hp = addrs; hp->h_name != (char *)NULL; hp++) { + if (!bcmp(hp->h_addr, (char *)&from.sin_addr.s_addr, + hp->h_length)) { + if (krb_debug) { + printf("Received it\n"); + (void) fflush(stdout); + } + return 1; + } + if (krb_debug) + fprintf(stderr, + "packet not from %lx\n", + (unsigned long)hp->h_addr); + } + if (krb_debug) + fprintf(stderr, "%s: received packet from wrong host! (%lx)\n", + "send_to_kdc(send_rcv)", (unsigned long)from.sin_addr.s_addr); + return 0; +} + +/* * send_to_kdc() sends a message to the Kerberos authentication * server(s) in the given realm and returns the reply message. * The "pkt" argument points to the message to be sent to Kerberos; @@ -75,10 +153,7 @@ static send_recv(); * after several retries */ -send_to_kdc(pkt,rpkt,realm) - KTEXT pkt; - KTEXT rpkt; - char *realm; +int send_to_kdc(KTEXT pkt, KTEXT rpkt, char *realm) { int i, f; int no_host; /* was a kerberos host found? */ @@ -230,86 +305,3 @@ rtn: } return(retval); } - -/* - * try to send out and receive message. - * return 1 on success, 0 on failure - */ - -static send_recv(pkt,rpkt,f,_to,addrs) - KTEXT pkt; - KTEXT rpkt; - int f; - struct sockaddr_in *_to; - struct hostent *addrs; -{ - fd_set readfds; - register struct hostent *hp; - struct sockaddr_in from; - int sin_size; - int numsent; - - if (krb_debug) { - if (_to->sin_family == AF_INET) - printf("Sending message to %s...", - inet_ntoa(_to->sin_addr)); - else - printf("Sending message..."); - (void) fflush(stdout); - } - if ((numsent = sendto(f,(char *)(pkt->dat), pkt->length, 0, - (struct sockaddr *)_to, - S_AD_SZ)) != pkt->length) { - if (krb_debug) - printf("sent only %d/%d\n",numsent, pkt->length); - return 0; - } - if (krb_debug) { - printf("Sent\nWaiting for reply..."); - (void) fflush(stdout); - } - FD_ZERO(&readfds); - FD_SET(f, &readfds); - errno = 0; - /* select - either recv is ready, or timeout */ - /* see if timeout or error or wrong descriptor */ - if (select(f + 1, &readfds, (fd_set *)0, (fd_set *)0, &timeout) < 1 - || !FD_ISSET(f, &readfds)) { - if (krb_debug) { - fprintf(stderr, "select failed: readfds=%x", - readfds); - perror(""); - } - return 0; - } - sin_size = sizeof(from); - if (recvfrom(f, (char *)(rpkt->dat), sizeof(rpkt->dat), 0, - (struct sockaddr *)&from, &sin_size) - < 0) { - if (krb_debug) - perror("recvfrom"); - return 0; - } - if (krb_debug) { - printf("received packet from %s\n", inet_ntoa(from.sin_addr)); - fflush(stdout); - } - for (hp = addrs; hp->h_name != (char *)NULL; hp++) { - if (!bcmp(hp->h_addr, (char *)&from.sin_addr.s_addr, - hp->h_length)) { - if (krb_debug) { - printf("Received it\n"); - (void) fflush(stdout); - } - return 1; - } - if (krb_debug) - fprintf(stderr, - "packet not from %x\n", - hp->h_addr); - } - if (krb_debug) - fprintf(stderr, "%s: received packet from wrong host! (%x)\n", - "send_to_kdc(send_rcv)", from.sin_addr.s_addr); - return 0; -} |
