-#include "config.h"
+/*
+ * Copyright (C) 1996-2021 The Squid Software Foundation and contributors
+ *
+ * Squid software is distributed under GPLv2+ license and includes
+ * contributions from numerous individuals and organizations.
+ * Please see the COPYING and CONTRIBUTORS files for details.
+ */
/* UNIX RFCNB (RFC1001/RFC1002) NetBIOS implementation
-
- Version 1.0
- RFCNB Utility Routines ...
-
- Copyright (C) Richard Sharpe 1996
-
-*/
+ *
+ * Version 1.0
+ * RFCNB Utility Routines ...
+ *
+ * Copyright (C) Richard Sharpe 1996
+ */
/*
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
-
-#include "rfcnb/rfcnb.h"
-#include "rfcnb/std-includes.h"
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include "squid.h"
+#include "rfcnb/rfcnb-io.h"
#include "rfcnb/rfcnb-priv.h"
#include "rfcnb/rfcnb-util.h"
-#include "rfcnb/rfcnb-io.h"
+#include "rfcnb/rfcnb.h"
+#include "rfcnb/std-includes.h"
#if HAVE_ARPA_INET_H
#include <arpa/inet.h>
#include <string.h>
#endif
-extern void (*Prot_Print_Routine)(); /* Pointer to protocol print routine */
-
const char *RFCNB_Error_Strings[] = {
-
"RFCNBE_OK: Routine completed successfully.",
"RFCNBE_NoSpace: No space available for a malloc call.",
"RFCNBE_BadName: NetBIOS name could not be translated to IP address.",
"RFCNBE_CallRejUnSpec: Call rejected. Unspecified error.",
"RFCNBE_BadParam: Bad parameters passed to a routine.",
"RFCNBE_Timeout: IO Operation timed out ..."
-
};
/* Convert name and pad to 16 chars as needed */
/* Name 1 is a C string with null termination, name 2 may not be */
/* If SysName is true, then put a <00> on end, else space> */
-
-void RFCNB_CvtPad_Name(char *name1, char *name2)
-
+void
+RFCNB_CvtPad_Name(char *name1, char *name2)
{
char c, c1, c2;
int i, len;
if (i >= len) {
c1 = 'C';
- c2 = 'A'; /* CA is a space */
+ c2 = 'A'; /* CA is a space */
} else {
c = name1[i];
- c1 = (char)((int)c/16 + (int)'A');
- c2 = (char)((int)c%16 + (int)'A');
+ c1 = (char) ((int) c / 16 + (int) 'A');
+ c2 = (char) ((int) c % 16 + (int) 'A');
}
- name2[i*2] = c1;
- name2[i*2+1] = c2;
+ name2[i * 2] = c1;
+ name2[i * 2 + 1] = c2;
}
- name2[32] = 0; /* Put in the nll ...*/
+ name2[32] = 0; /* Put in the nll ... */
}
/* Converts an Ascii NB Name (16 chars) to an RFCNB Name (32 chars)
- Uses the encoding in RFC1001. Each nibble of byte is added to 'A'
- to produce the next byte in the name.
-
- This routine assumes that AName is 16 bytes long and that NBName has
- space for 32 chars, so be careful ...
-
-*/
-
-void RFCNB_AName_To_NBName(char *AName, char *NBName)
-
+ * Uses the encoding in RFC1001. Each nibble of byte is added to 'A'
+ * to produce the next byte in the name.
+ *
+ * This routine assumes that AName is 16 bytes long and that NBName has
+ * space for 32 chars, so be careful ...
+ */
+void
+RFCNB_AName_To_NBName(char *AName, char *NBName)
{
char c, c1, c2;
int i;
- for (i=0; i < 16; i++) {
+ for (i = 0; i < 16; i++) {
c = AName[i];
- c1 = (char)((c >> 4) + 'A');
- c2 = (char)((c & 0xF) + 'A');
+ c1 = (char) ((c >> 4) + 'A');
+ c2 = (char) ((c & 0xF) + 'A');
- NBName[i*2] = c1;
- NBName[i*2+1] = c2;
+ NBName[i * 2] = c1;
+ NBName[i * 2 + 1] = c2;
}
- NBName[32] = 0; /* Put in a null */
-
+ NBName[32] = 0; /* Put in a null */
}
/* Do the reverse of the above ... */
-
-void RFCNB_NBName_To_AName(char *NBName, char *AName)
-
+void
+RFCNB_NBName_To_AName(char *NBName, char *AName)
{
char c, c1, c2;
int i;
- for (i=0; i < 16; i++) {
+ for (i = 0; i < 16; i++) {
- c1 = NBName[i*2];
- c2 = NBName[i*2+1];
+ c1 = NBName[i * 2];
+ c2 = NBName[i * 2 + 1];
- c = (char)(((int)c1 - (int)'A') * 16 + ((int)c2 - (int)'A'));
+ c = (char) (((int) c1 - (int) 'A') * 16 + ((int) c2 - (int) 'A'));
AName[i] = c;
}
- AName[i] = 0; /* Put a null on the end ... */
-
+ AName[i] = 0; /* Put a null on the end ... */
}
/* Print a string of bytes in HEX etc */
-
-void RFCNB_Print_Hex(FILE *fd, struct RFCNB_Pkt *pkt, int Offset, int Len)
-
+void
+RFCNB_Print_Hex(FILE * fd, struct RFCNB_Pkt *pkt, int Offset, int Len)
{
char c1, c2, outbuf1[33];
unsigned char c;
j = 0;
- /* We only want to print as much as sepcified in Len */
+ /* We only want to print as much as specified in Len */
while (pkt_ptr != NULL) {
for (i = 0;
- i < ((Len > (pkt_ptr -> len)?pkt_ptr -> len:Len) - Offset);
+ i < ((Len > (pkt_ptr->len) ? pkt_ptr->len : Len) - Offset);
i++) {
- c = pkt_ptr -> data[i + Offset];
+ c = pkt_ptr->data[i + Offset];
c1 = Hex_List[c >> 4];
c2 = Hex_List[c & 0xF];
outbuf1[j++] = c1;
outbuf1[j++] = c2;
- if (j == 32) { /* Print and reset */
+ if (j == 32) { /* Print and reset */
outbuf1[j] = 0;
fprintf(fd, " %s\n", outbuf1);
j = 0;
}
-
}
Offset = 0;
- Len = Len - pkt_ptr -> len; /* Reduce amount by this much */
- pkt_ptr = pkt_ptr -> next;
+ Len = Len - pkt_ptr->len; /* Reduce amount by this much */
+ pkt_ptr = pkt_ptr->next;
}
fprintf(fd, " %s\n", outbuf1);
}
-
fprintf(fd, "\n");
-
}
/* Get a packet of size n */
-
-struct RFCNB_Pkt *RFCNB_Alloc_Pkt(int n)
-
-{
+struct RFCNB_Pkt *
+RFCNB_Alloc_Pkt(int n) {
RFCNB_Pkt *pkt;
- if ((pkt = (struct RFCNB_Pkt *)malloc(sizeof(struct RFCNB_Pkt))) == NULL) {
+ if ((pkt = (struct RFCNB_Pkt *) malloc(sizeof(struct RFCNB_Pkt))) == NULL) {
RFCNB_errno = RFCNBE_NoSpace;
RFCNB_saved_errno = errno;
- return(NULL);
+ return (NULL);
}
+ pkt->next = NULL;
+ pkt->len = n;
- pkt -> next = NULL;
- pkt -> len = n;
-
- if (n == 0) return(pkt);
+ if (n == 0)
+ return (pkt);
- if ((pkt -> data = (char *)malloc(n)) == NULL) {
+ if ((pkt->data = (char *) malloc(n)) == NULL) {
RFCNB_errno = RFCNBE_NoSpace;
RFCNB_saved_errno = errno;
free(pkt);
- return(NULL);
+ return (NULL);
}
-
- return(pkt);
-
+ return (pkt);
}
/* Free up a packet */
-
-void RFCNB_Free_Pkt(struct RFCNB_Pkt *pkt)
-
+void
+RFCNB_Free_Pkt(struct RFCNB_Pkt *pkt)
{
struct RFCNB_Pkt *pkt_next;
char *data_ptr;
while (pkt != NULL) {
- pkt_next = pkt -> next;
+ pkt_next = pkt->next;
- data_ptr = pkt -> data;
+ data_ptr = pkt->data;
if (data_ptr != NULL)
free(data_ptr);
pkt = pkt_next;
}
-
}
/* Print an RFCNB packet */
-
-void RFCNB_Print_Pkt(FILE *fd, char *dirn, struct RFCNB_Pkt *pkt, int len)
-
+void
+RFCNB_Print_Pkt(FILE * fd, char *dirn, struct RFCNB_Pkt *pkt, int len)
{
char lname[17];
fprintf(fd, "RFCNB Pkt %s:", dirn);
- switch (RFCNB_Pkt_Type(pkt -> data)) {
+ switch (RFCNB_Pkt_Type(pkt->data)) {
case RFCNB_SESSION_MESSAGE:
- fprintf(fd, "SESSION MESSAGE: Length = %i\n", RFCNB_Pkt_Len(pkt -> data));
+ fprintf(fd, "SESSION MESSAGE: Length = %i\n", RFCNB_Pkt_Len(pkt->data));
RFCNB_Print_Hex(fd, pkt, RFCNB_Pkt_Hdr_Len,
#ifdef RFCNB_PRINT_DATA
- RFCNB_Pkt_Len(pkt -> data) - RFCNB_Pkt_Hdr_Len);
+ RFCNB_Pkt_Len(pkt->data) - RFCNB_Pkt_Hdr_Len);
#else
40);
#endif
- if (Prot_Print_Routine != 0) { /* Print the rest of the packet */
+ if (Prot_Print_Routine) { /* Print the rest of the packet */
Prot_Print_Routine(fd, strcmp(dirn, "sent"), pkt, RFCNB_Pkt_Hdr_Len,
- RFCNB_Pkt_Len(pkt -> data) - RFCNB_Pkt_Hdr_Len);
+ RFCNB_Pkt_Len(pkt->data) - RFCNB_Pkt_Hdr_Len);
}
-
break;
case RFCNB_SESSION_REQUEST:
fprintf(fd, "SESSION REQUEST: Length = %i\n",
- RFCNB_Pkt_Len(pkt -> data));
- RFCNB_NBName_To_AName((char *)(pkt -> data + RFCNB_Pkt_Called_Offset), lname);
+ RFCNB_Pkt_Len(pkt->data));
+ RFCNB_NBName_To_AName((char *) (pkt->data + RFCNB_Pkt_Called_Offset), lname);
fprintf(fd, " Called Name: %s\n", lname);
- RFCNB_NBName_To_AName((char *)(pkt -> data + RFCNB_Pkt_Calling_Offset), lname);
+ RFCNB_NBName_To_AName((char *) (pkt->data + RFCNB_Pkt_Calling_Offset), lname);
fprintf(fd, " Calling Name: %s\n", lname);
break;
case RFCNB_SESSION_ACK:
fprintf(fd, "RFCNB SESSION ACK: Length = %i\n",
- RFCNB_Pkt_Len(pkt -> data));
+ RFCNB_Pkt_Len(pkt->data));
break;
case RFCNB_SESSION_REJ:
fprintf(fd, "RFCNB SESSION REJECT: Length = %i\n",
- RFCNB_Pkt_Len(pkt -> data));
+ RFCNB_Pkt_Len(pkt->data));
- if (RFCNB_Pkt_Len(pkt -> data) < 1) {
+ if (RFCNB_Pkt_Len(pkt->data) < 1) {
fprintf(fd, " Protocol Error, short Reject packet!\n");
} else {
- fprintf(fd, " Error = %x\n", CVAL(pkt -> data, RFCNB_Pkt_Error_Offset));
+ fprintf(fd, " Error = %x\n", CVAL(pkt->data, RFCNB_Pkt_Error_Offset));
}
break;
case RFCNB_SESSION_RETARGET:
fprintf(fd, "RFCNB SESSION RETARGET: Length = %i\n",
- RFCNB_Pkt_Len(pkt -> data));
+ RFCNB_Pkt_Len(pkt->data));
/* Print out the IP address etc and the port? */
case RFCNB_SESSION_KEEP_ALIVE:
fprintf(fd, "RFCNB SESSION KEEP ALIVE: Length = %i\n",
- RFCNB_Pkt_Len(pkt -> data));
+ RFCNB_Pkt_Len(pkt->data));
break;
default:
break;
}
-
}
/* Resolve a name into an address */
-
-int RFCNB_Name_To_IP(char *host, struct in_addr *Dest_IP)
-
+int
+RFCNB_Name_To_IP(char *host, struct in_addr *Dest_IP)
{
- int addr; /* Assumes IP4, 32 bit network addresses */
+ int addr; /* Assumes IP4, 32 bit network addresses */
struct hostent *hp;
/* Use inet_addr to try to convert the address */
- if ((addr = inet_addr(host)) == INADDR_NONE) { /* Oh well, a good try :-) */
+ if ((addr = inet_addr(host)) == INADDR_NONE) { /* Oh well, a good try :-) */
/* Now try a name look up with gethostbyname */
- if ((hp = gethostbyname(host)) == NULL) { /* Not in DNS */
+ if ((hp = gethostbyname(host)) == NULL) { /* Not in DNS */
/* Try NetBIOS name lookup, how the hell do we do that? */
- RFCNB_errno = RFCNBE_BadName; /* Is this right? */
+ RFCNB_errno = RFCNBE_BadName; /* Is this right? */
RFCNB_saved_errno = errno;
- return(RFCNBE_Bad);
+ return (RFCNBE_Bad);
- } else { /* We got a name */
+ } else { /* We got a name */
- memcpy((void *)Dest_IP, (void *)hp -> h_addr_list[0], sizeof(struct in_addr));
+ memcpy((void *) Dest_IP, (void *) hp->h_addr_list[0], sizeof(struct in_addr));
}
- } else { /* It was an IP address */
+ } else { /* It was an IP address */
- memcpy((void *)Dest_IP, (void *)&addr, sizeof(struct in_addr));
+ memcpy((void *) Dest_IP, (void *) &addr, sizeof(struct in_addr));
}
return 0;
-
}
/* Disconnect the TCP connection to the server */
-
-int RFCNB_Close(int socket)
-
+int
+RFCNB_Close(int fd)
{
- close(socket);
+ close(fd);
/* If we want to do error recovery, here is where we put it */
return 0;
-
}
/* Connect to the server specified in the IP address.
- Not sure how to handle socket options etc. */
-
-int RFCNB_IP_Connect(struct in_addr Dest_IP, int port)
-
+ * Not sure how to handle socket options etc. */
+int
+RFCNB_IP_Connect(struct in_addr Dest_IP, int port)
{
struct sockaddr_in Socket;
int fd;
/* Create a socket */
- if ((fd = socket(PF_INET, SOCK_STREAM, 0)) < 0) { /* Handle the error */
+ if ((fd = socket(PF_INET, SOCK_STREAM, 0)) < 0) { /* Handle the error */
RFCNB_errno = RFCNBE_BadSocket;
RFCNB_saved_errno = errno;
- return(RFCNBE_Bad);
+ return (RFCNBE_Bad);
}
-
- bzero((char *)&Socket, sizeof(Socket));
- memcpy((char *)&Socket.sin_addr, (char *)&Dest_IP, sizeof(Dest_IP));
+ memset((char *) &Socket, 0, sizeof(Socket));
+ memcpy((char *) &Socket.sin_addr, (char *) &Dest_IP, sizeof(Dest_IP));
Socket.sin_port = htons(port);
Socket.sin_family = PF_INET;
/* Now connect to the destination */
- if (connect(fd, (struct sockaddr *)&Socket, sizeof(Socket)) < 0) { /* Error */
+ if (connect(fd, (struct sockaddr *) &Socket, sizeof(Socket)) < 0) { /* Error */
close(fd);
RFCNB_errno = RFCNBE_ConnectFailed;
RFCNB_saved_errno = errno;
- return(RFCNBE_Bad);
+ return (RFCNBE_Bad);
}
-
- return(fd);
-
+ return (fd);
}
/* handle the details of establishing the RFCNB session with remote
- end
-
-*/
-
-int RFCNB_Session_Req(struct RFCNB_Con *con,
- char *Called_Name,
- char *Calling_Name,
- BOOL *redirect,
- struct in_addr *Dest_IP,
- int * port)
-
+ * end
+ */
+int
+RFCNB_Session_Req(struct RFCNB_Con *con,
+ char *Called_Name,
+ char *Calling_Name,
+ BOOL * redirect,
+ struct in_addr *Dest_IP,
+ int *port)
{
char *sess_pkt;
char resp[16];
int len;
struct RFCNB_Pkt *pkt, res_pkt;
+ int result = 0;
/* We build and send the session request, then read the response */
pkt = RFCNB_Alloc_Pkt(RFCNB_Pkt_Sess_Len);
if (pkt == NULL) {
-
- return(RFCNBE_Bad); /* Leave the error that RFCNB_Alloc_Pkt gives) */
-
+ return (RFCNBE_Bad); /* Leave the error that RFCNB_Alloc_Pkt gives) */
}
+ sess_pkt = pkt->data; /* Get pointer to packet proper */
- sess_pkt = pkt -> data; /* Get pointer to packet proper */
-
- sess_pkt[RFCNB_Pkt_Type_Offset] = RFCNB_SESSION_REQUEST;
- RFCNB_Put_Pkt_Len(sess_pkt, RFCNB_Pkt_Sess_Len-RFCNB_Pkt_Hdr_Len);
+ sess_pkt[RFCNB_Pkt_Type_Offset] = RFCNB_SESSION_REQUEST;
+ RFCNB_Put_Pkt_Len(sess_pkt, RFCNB_Pkt_Sess_Len - RFCNB_Pkt_Hdr_Len);
sess_pkt[RFCNB_Pkt_N1Len_Offset] = 32;
sess_pkt[RFCNB_Pkt_N2Len_Offset] = 32;
/* Now send the packet */
#ifdef RFCNB_DEBUG
-
fprintf(stderr, "Sending packet: ");
-
#endif
if ((len = RFCNB_Put_Pkt(con, pkt, RFCNB_Pkt_Sess_Len)) < 0) {
-
- return(RFCNBE_Bad); /* Should be able to write that lot ... */
+ RFCNB_Free_Pkt(pkt);
+ return (RFCNBE_Bad); /* Should be able to write that lot ... */
}
-
#ifdef RFCNB_DEBUG
-
fprintf(stderr, "Getting packet.\n");
-
#endif
res_pkt.data = resp;
- res_pkt.len = sizeof(resp);
+ res_pkt.len = sizeof(resp);
res_pkt.next = NULL;
if ((len = RFCNB_Get_Pkt(con, &res_pkt, sizeof(resp))) < 0) {
-
- return(RFCNBE_Bad);
+ RFCNB_Free_Pkt(pkt);
+ return (RFCNBE_Bad);
}
-
/* Now analyze the packet ... */
switch (RFCNB_Pkt_Type(resp)) {
- case RFCNB_SESSION_REJ: /* Didnt like us ... too bad */
+ case RFCNB_SESSION_REJ: /* Didn't like us ... too bad */
/* Why did we get rejected ? */
- switch (CVAL(resp,RFCNB_Pkt_Error_Offset)) {
+ switch (CVAL(resp, RFCNB_Pkt_Error_Offset)) {
case 0x80:
RFCNB_errno = RFCNBE_CallRejNLOCN;
break;
}
- return(RFCNBE_Bad);
+ result = (RFCNBE_Bad);
break;
- case RFCNB_SESSION_ACK: /* Got what we wanted ... */
+ case RFCNB_SESSION_ACK: /* Got what we wanted ... */
- return(0);
+ result = (0);
break;
- case RFCNB_SESSION_RETARGET: /* Go elsewhere */
+ case RFCNB_SESSION_RETARGET: /* Go elsewhere */
*redirect = TRUE; /* Copy port and ip addr */
memcpy(Dest_IP, (resp + RFCNB_Pkt_IP_Offset), sizeof(struct in_addr));
*port = SVAL(resp, RFCNB_Pkt_Port_Offset);
- return(0);
+ result = (0);
break;
- default: /* A protocol error */
+ default: /* A protocol error */
RFCNB_errno = RFCNBE_ProtErr;
- return(RFCNBE_Bad);
+ result = (RFCNBE_Bad);
break;
}
-}
-
-
-
-
-
-
-
+ RFCNB_Free_Pkt(pkt);
+ return result;
+}
projects / thirdparty / squid.git / blobdiff