/*
- Copyright (C) Andrew Tridgell 1995-1999
-
- This software may be distributed either under the terms of the
- BSD-style license that accompanies tcpdump or the GNU GPL version 2
- or later */
+ * Copyright (C) Andrew Tridgell 1995-1999
+ *
+ * This software may be distributed either under the terms of the
+ * BSD-style license that accompanies tcpdump or the GNU GPL version 2
+ * or later
+ */
#ifdef HAVE_CONFIG_H
#include "config.h"
#ifndef lint
static const char rcsid[] =
- "@(#) $Header: /tcpdump/master/tcpdump/smbutil.c,v 1.15 2001-06-25 18:58:09 itojun Exp $";
+ "@(#) $Header: /tcpdump/master/tcpdump/smbutil.c,v 1.16 2001-06-25 21:04:01 itojun Exp $";
#endif
#include <sys/param.h>
#include <sys/types.h>
#include <sys/socket.h>
-
#include <netinet/in.h>
#include <ctype.h>
extern const uchar *startbuf;
-/*******************************************************************
- interpret a 32 bit dos packed date/time to some parameters
-********************************************************************/
-static void interpret_dos_date(uint32 date,int *year,int *month,int *day,int *hour,int *minute,int *second)
+/*
+ * interpret a 32 bit dos packed date/time to some parameters
+ */
+static void
+interpret_dos_date(uint32 date, struct tm *tp)
{
- uint32 p0,p1,p2,p3;
-
- p0=date&0xFF; p1=((date&0xFF00)>>8)&0xFF;
- p2=((date&0xFF0000)>>16)&0xFF; p3=((date&0xFF000000)>>24)&0xFF;
-
- *second = 2*(p0 & 0x1F);
- *minute = ((p0>>5)&0xFF) + ((p1&0x7)<<3);
- *hour = (p1>>3)&0xFF;
- *day = (p2&0x1F);
- *month = ((p2>>5)&0xFF) + ((p3&0x1)<<3) - 1;
- *year = ((p3>>1)&0xFF) + 80;
+ uint32 p0, p1, p2, p3;
+
+ p0 = date & 0xFF;
+ p1 = ((date & 0xFF00) >> 8) & 0xFF;
+ p2 = ((date & 0xFF0000) >> 16) & 0xFF;
+ p3 = ((date & 0xFF000000) >> 24) & 0xFF;
+
+ tp->tm_sec = 2 * (p0 & 0x1F);
+ tp->tm_min = ((p0 >> 5) & 0xFF) + ((p1 & 0x7) << 3);
+ tp->tm_hour = (p1 >> 3) & 0xFF;
+ tp->tm_mday = (p2 & 0x1F);
+ tp->tm_mon = ((p2 >> 5) & 0xFF) + ((p3 & 0x1) << 3) - 1;
+ tp->tm_year = ((p3 >> 1) & 0xFF) + 80;
}
-/*******************************************************************
- create a unix date from a dos date
-********************************************************************/
-static time_t make_unix_date(const void *date_ptr)
+/*
+ * create a unix date from a dos date
+ */
+static time_t
+make_unix_date(const void *date_ptr)
{
- uint32 dos_date=0;
- struct tm t;
+ uint32 dos_date = 0;
+ struct tm t;
- dos_date = IVAL(date_ptr,0);
+ dos_date = IVAL(date_ptr, 0);
- if (dos_date == 0) return(0);
+ if (dos_date == 0)
+ return(0);
- interpret_dos_date(dos_date,&t.tm_year,&t.tm_mon,
- &t.tm_mday,&t.tm_hour,&t.tm_min,&t.tm_sec);
- t.tm_wday = 1;
- t.tm_yday = 1;
- t.tm_isdst = 0;
+ interpret_dos_date(dos_date, &t);
+ t.tm_wday = 1;
+ t.tm_yday = 1;
+ t.tm_isdst = 0;
- return (mktime(&t));
+ return (mktime(&t));
}
-/*******************************************************************
- create a unix date from a dos date
-********************************************************************/
-static time_t make_unix_date2(const void *date_ptr)
+/*
+ * create a unix date from a dos date
+ */
+static time_t
+make_unix_date2(const void *date_ptr)
{
- uint32 x,x2;
+ uint32 x, x2;
- x = IVAL(date_ptr,0);
- x2 = ((x&0xFFFF)<<16) | ((x&0xFFFF0000)>>16);
- SIVAL(&x,0,x2);
+ x = IVAL(date_ptr, 0);
+ x2 = ((x & 0xFFFF) << 16) | ((x & 0xFFFF0000) >> 16);
+ SIVAL(&x, 0, x2);
- return(make_unix_date((void *)&x));
+ return(make_unix_date((void *)&x));
}
-/****************************************************************************
-interpret an 8 byte "filetime" structure to a time_t
-It's originally in "100ns units since jan 1st 1601"
-****************************************************************************/
-static time_t interpret_long_date(const char *p)
+/*
+ * interpret an 8 byte "filetime" structure to a time_t
+ * It's originally in "100ns units since jan 1st 1601"
+ */
+static time_t
+interpret_long_date(const char *p)
{
- double d;
- time_t ret;
+ double d;
+ time_t ret;
- /* this gives us seconds since jan 1st 1601 (approx) */
- d = (IVAL(p,4)*256.0 + CVAL(p,3)) * (1.0e-7 * (1<<24));
+ /* this gives us seconds since jan 1st 1601 (approx) */
+ d = (IVAL(p, 4) * 256.0 + CVAL(p, 3)) * (1.0e-7 * (1 << 24));
- /* now adjust by 369 years to make the secs since 1970 */
- d -= 369.0*365.25*24*60*60;
+ /* now adjust by 369 years to make the secs since 1970 */
+ d -= 369.0 * 365.25 * 24 * 60 * 60;
- /* and a fudge factor as we got it wrong by a few days */
- d += (3*24*60*60 + 6*60*60 + 2);
+ /* and a fudge factor as we got it wrong by a few days */
+ d += (3 * 24 * 60 * 60 + 6 * 60 * 60 + 2);
- if (d<0)
- return(0);
+ if (d < 0)
+ return(0);
- ret = (time_t)d;
+ ret = (time_t)d;
- return(ret);
+ return(ret);
}
-
-/****************************************************************************
-interpret the weird netbios "name". Return the name type, or -1 if
-we run past the end of the buffer
-****************************************************************************/
-static int name_interpret(const uchar *in,const uchar *maxbuf,char *out)
+/*
+ * interpret the weird netbios "name". Return the name type, or -1 if
+ * we run past the end of the buffer
+ */
+static int
+name_interpret(const uchar *in, const uchar *maxbuf, char *out)
{
- int ret;
- int len;
-
- if (in >= maxbuf)
- return(-1); /* name goes past the end of the buffer */
- TCHECK2(*in, 1);
- len = (*in++) / 2;
+ int ret;
+ int len;
- *out=0;
+ if (in >= maxbuf)
+ return(-1); /* name goes past the end of the buffer */
+ TCHECK2(*in, 1);
+ len = (*in++) / 2;
- if (len > 30 || len<1) return(0);
+ *out=0;
- while (len--)
- {
- if (in + 1 >= maxbuf)
- return(-1); /* name goes past the end of the buffer */
- TCHECK2(*in, 2);
- if (in[0] < 'A' || in[0] > 'P' || in[1] < 'A' || in[1] > 'P') {
- *out = 0;
+ if (len > 30 || len < 1)
return(0);
- }
- *out = ((in[0]-'A')<<4) + (in[1]-'A');
- in += 2;
- out++;
+
+ while (len--) {
+ if (in + 1 >= maxbuf)
+ return(-1); /* name goes past the end of the buffer */
+ TCHECK2(*in, 2);
+ if (in[0] < 'A' || in[0] > 'P' || in[1] < 'A' || in[1] > 'P') {
+ *out = 0;
+ return(0);
+ }
+ *out = ((in[0] - 'A') << 4) + (in[1] - 'A');
+ in += 2;
+ out++;
}
- *out = 0;
- ret = out[-1];
+ *out = 0;
+ ret = out[-1];
- return(ret);
+ return(ret);
trunc:
- return(-1);
+ return(-1);
}
-/****************************************************************************
-find a pointer to a netbios name
-****************************************************************************/
-static const uchar *name_ptr(const uchar *buf,int ofs,const uchar *maxbuf)
+/*
+ * find a pointer to a netbios name
+ */
+static const uchar *
+name_ptr(const uchar *buf, int ofs, const uchar *maxbuf)
{
- const uchar *p;
- uchar c;
+ const uchar *p;
+ uchar c;
- p = buf+ofs;
- if (p >= maxbuf)
- return(NULL); /* name goes past the end of the buffer */
- TCHECK2(*p, 1);
-
- c = *p;
-
- /* XXX - this should use the same code that the DNS dissector does */
- if ((c & 0xC0) == 0xC0)
- {
- uint16 l = RSVAL(buf, ofs) & 0x3FFF;
- if (l == 0)
- {
- /* We have a pointer that points to itself. */
- return(NULL);
- }
- p = buf + l;
- if (p >= maxbuf)
+ p = buf + ofs;
+ if (p >= maxbuf)
return(NULL); /* name goes past the end of the buffer */
- TCHECK2(*p, 1);
- return(buf + l);
- }
- else
- return(buf+ofs);
+ TCHECK2(*p, 1);
+
+ c = *p;
+
+ /* XXX - this should use the same code that the DNS dissector does */
+ if ((c & 0xC0) == 0xC0) {
+ uint16 l = RSVAL(buf, ofs) & 0x3FFF;
+ if (l == 0) {
+ /* We have a pointer that points to itself. */
+ return(NULL);
+ }
+ p = buf + l;
+ if (p >= maxbuf)
+ return(NULL); /* name goes past the end of the buffer */
+ TCHECK2(*p, 1);
+ return(buf + l);
+ } else
+ return(buf + ofs);
trunc:
- return(NULL); /* name goes past the end of the buffer */
+ return(NULL); /* name goes past the end of the buffer */
}
-/****************************************************************************
-extract a netbios name from a buf
-****************************************************************************/
-static int name_extract(const uchar *buf,int ofs,const uchar *maxbuf,char *name)
+/*
+ * extract a netbios name from a buf
+ */
+static int
+name_extract(const uchar *buf, int ofs, const uchar *maxbuf, char *name)
{
- const uchar *p = name_ptr(buf,ofs,maxbuf);
- if (p == NULL)
- return(-1); /* error (probably name going past end of buffer) */
- name[0] = '\0';
- return(name_interpret(p,maxbuf,name));
+ const uchar *p = name_ptr(buf, ofs, maxbuf);
+ if (p == NULL)
+ return(-1); /* error (probably name going past end of buffer) */
+ name[0] = '\0';
+ return(name_interpret(p, maxbuf, name));
}
-/****************************************************************************
-return the total storage length of a mangled name
-****************************************************************************/
-static int name_len(const unsigned char *s, const unsigned char *maxbuf)
+/*
+ * return the total storage length of a mangled name
+ */
+static int
+name_len(const unsigned char *s, const unsigned char *maxbuf)
{
- const unsigned char *s0 = s;
- unsigned char c;
+ const unsigned char *s0 = s;
+ unsigned char c;
- if (s >= maxbuf)
- return(-1); /* name goes past the end of the buffer */
- TCHECK2(*s, 1);
- c = *s;
- if ((c & 0xC0) == 0xC0)
- return(2);
- while (*s)
- {
- if (s >= maxbuf)
+ if (s >= maxbuf)
return(-1); /* name goes past the end of the buffer */
- TCHECK2(*s, 1);
- s += (*s)+1;
+ TCHECK2(*s, 1);
+ c = *s;
+ if ((c & 0xC0) == 0xC0)
+ return(2);
+ while (*s) {
+ if (s >= maxbuf)
+ return(-1); /* name goes past the end of the buffer */
+ TCHECK2(*s, 1);
+ s += (*s) + 1;
}
- return(PTR_DIFF(s,s0)+1);
+ return(PTR_DIFF(s, s0) + 1);
trunc:
- return(-1); /* name goes past the end of the buffer */
+ return(-1); /* name goes past the end of the buffer */
}
-static void print_asc(const unsigned char *buf,int len)
+static void
+print_asc(const unsigned char *buf, int len)
{
- int i;
- for (i=0;i<len;i++)
- safeputchar(buf[i]);
+ int i;
+ for (i = 0; i < len; i++)
+ safeputchar(buf[i]);
}
-static char *name_type_str(int name_type)
+static char *
+name_type_str(int name_type)
{
- static char *f = NULL;
- switch (name_type) {
- case 0: f = "Workstation"; break;
- case 0x03: f = "Client?"; break;
- case 0x20: f = "Server"; break;
- case 0x1d: f = "Master Browser"; break;
- case 0x1b: f = "Domain Controller"; break;
- case 0x1e: f = "Browser Server"; break;
- default: f = "Unknown"; break;
- }
- return(f);
+ char *f = NULL;
+
+ switch (name_type) {
+ case 0: f = "Workstation"; break;
+ case 0x03: f = "Client?"; break;
+ case 0x20: f = "Server"; break;
+ case 0x1d: f = "Master Browser"; break;
+ case 0x1b: f = "Domain Controller"; break;
+ case 0x1e: f = "Browser Server"; break;
+ default: f = "Unknown"; break;
+ }
+ return(f);
}
-void print_data(const unsigned char *buf, int len)
+void
+print_data(const unsigned char *buf, int len)
{
- int i=0;
- if (len<=0) return;
- printf("[%03X] ",i);
- for (i=0;i<len;) {
- printf("%02X ",(int)buf[i]);
- i++;
- if (i%8 == 0) printf(" ");
- if (i%16 == 0) {
- print_asc(&buf[i-16],8); printf(" ");
- print_asc(&buf[i-8],8); printf("\n");
- if (i<len) printf("[%03X] ",i);
+ int i = 0;
+
+ if (len <= 0)
+ return;
+ printf("[%03X] ", i);
+ for (i = 0; i < len; /*nothing*/) {
+ printf("%02X ", buf[i] & 0xff);
+ i++;
+ if (i%8 == 0)
+ printf(" ");
+ if (i % 16 == 0) {
+ print_asc(&buf[i - 16], 8);
+ printf(" ");
+ print_asc(&buf[i - 8], 8);
+ printf("\n");
+ if (i < len)
+ printf("[%03X] ", i);
+ }
+ }
+ if (i % 16) {
+ int n;
+
+ n = 16 - (i % 16);
+ printf(" ");
+ if (n>8)
+ printf(" ");
+ while (n--)
+ printf(" ");
+
+ n = MIN(8, i % 16);
+ print_asc(&buf[i - (i % 16)], n);
+ printf(" ");
+ n = (i % 16) - n;
+ if (n > 0)
+ print_asc(&buf[i - n], n);
+ printf("\n");
}
- }
- if (i%16) {
- int n;
-
- n = 16 - (i%16);
- printf(" ");
- if (n>8) printf(" ");
- while (n--) printf(" ");
-
- n = MIN(8,i%16);
- print_asc(&buf[i-(i%16)],n); printf(" ");
- n = (i%16) - n;
- if (n>0) print_asc(&buf[i-n],n);
- printf("\n");
- }
}
-static void write_bits(unsigned int val,char *fmt)
+static void
+write_bits(unsigned int val, char *fmt)
{
- char *p = fmt;
- int i=0;
-
- while ((p=strchr(fmt,'|'))) {
- int l = PTR_DIFF(p,fmt);
- if (l && (val & (1<<i)))
- printf("%.*s ",l,fmt);
- fmt = p+1;
- i++;
- }
+ char *p = fmt;
+ int i = 0;
+
+ while ((p = strchr(fmt, '|'))) {
+ size_t l = PTR_DIFF(p, fmt);
+ if (l && (val & (1 << i)))
+ printf("%.*s ", (int)l, fmt);
+ fmt = p + 1;
+ i++;
+ }
}
-/* convert a unicode string */
-static const char *unistr(const char *s, int *len)
+/* convert a UCS2 string into iso-8859-1 string */
+static const char *
+unistr(const char *s, int *len)
{
- static char buf[1000];
- int l=0;
- static int use_unicode = -1;
-
- if (use_unicode == -1) {
- char *p = getenv("USE_UNICODE");
- if (p && (atoi(p) == 1))
- use_unicode = 1;
- else
- use_unicode = 0;
- }
+ static char buf[1000];
+ int l=0;
+ static int use_unicode = -1;
+
+ if (use_unicode == -1) {
+ char *p = getenv("USE_UNICODE");
+ if (p && (atoi(p) == 1))
+ use_unicode = 1;
+ else
+ use_unicode = 0;
+ }
- /* maybe it isn't unicode - a cheap trick */
- if (!use_unicode || (s[0] && s[1])) {
- *len = strlen(s)+1;
- return s;
- }
+ /* maybe it isn't unicode - a cheap trick */
+ if (!use_unicode || (s[0] && s[1])) {
+ *len = strlen(s) + 1;
+ return s;
+ }
- *len = 0;
+ *len = 0;
- if (s[0] == 0 && s[1] != 0) {
- s++;
- *len = 1;
- }
+ if (s[0] == 0 && s[1] != 0) {
+ s++;
+ *len = 1;
+ }
- while (l < (sizeof(buf)-1) && s[0] && s[1] == 0) {
- buf[l] = s[0];
- s += 2; l++;
- *len += 2;
- }
- buf[l] = 0;
+ while (l < (sizeof(buf) - 1) && s[0] && s[1] == 0) {
+ buf[l] = s[0];
+ s += 2;
+ l++;
*len += 2;
- return buf;
+ }
+ buf[l] = 0;
+ *len += 2;
+ return buf;
}
static const uchar *
projects / tcpdump / commitdiff
