diff options
author | fenner <fenner@FreeBSD.org> | 2002-06-21 00:43:23 +0000 |
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committer | fenner <fenner@FreeBSD.org> | 2002-06-21 00:43:23 +0000 |
commit | 91fc581e384bca8ae8831d23b70ab73ab0dc1a21 (patch) | |
tree | 89431945035dbd4a9ce74e63c4a1f65ed4166a1a /contrib/tcpdump/smbutil.c | |
parent | f815ae37f4671c581fdc1c6f99a8490a6dfbb4f6 (diff) | |
download | FreeBSD-src-91fc581e384bca8ae8831d23b70ab73ab0dc1a21.zip FreeBSD-src-91fc581e384bca8ae8831d23b70ab73ab0dc1a21.tar.gz |
Import tcpdump 3.7.1, from
http://www.tcpdump.org/release/tcpdump-3.7.1.tar.gz
Diffstat (limited to 'contrib/tcpdump/smbutil.c')
-rw-r--r-- | contrib/tcpdump/smbutil.c | 1354 |
1 files changed, 720 insertions, 634 deletions
diff --git a/contrib/tcpdump/smbutil.c b/contrib/tcpdump/smbutil.c index 898345d..756a8d2 100644 --- a/contrib/tcpdump/smbutil.c +++ b/contrib/tcpdump/smbutil.c @@ -1,9 +1,10 @@ -/* - 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" @@ -11,7 +12,7 @@ #ifndef lint static const char rcsid[] = - "@(#) $Header: /tcpdump/master/tcpdump/smbutil.c,v 1.12 2000/12/04 00:35:45 guy Exp $"; + "@(#) $Header: /tcpdump/master/tcpdump/smbutil.c,v 1.18 2002/01/17 04:38:29 guy Exp $"; #endif #include <sys/param.h> @@ -19,7 +20,6 @@ static const char rcsid[] = #include <sys/types.h> #include <sys/socket.h> - #include <netinet/in.h> #include <ctype.h> @@ -29,729 +29,815 @@ static const char rcsid[] = #include <time.h> #include "interface.h" +#include "extract.h" #include "smb.h" -extern const uchar *startbuf; +extern const u_char *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(u_int32_t 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; + u_int32_t 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) +/* + * common portion: + * create a unix date from a dos date + */ +static time_t +int_unix_date(u_int32_t dos_date) { - uint32 dos_date=0; - struct tm t; + struct tm t; - 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 + * in network byte order + */ +static time_t +make_unix_date(const u_char *date_ptr) { - uint32 x,x2; + u_int32_t dos_date = 0; - x = IVAL(date_ptr,0); - x2 = ((x&0xFFFF)<<16) | ((x&0xFFFF0000)>>16); - SIVAL(&x,0,x2); + dos_date = EXTRACT_LE_32BITS(date_ptr); - return(make_unix_date((void *)&x)); + return int_unix_date(dos_date); } -/**************************************************************************** -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) +/* + * create a unix date from a dos date + * in halfword-swapped network byte order! + */ +static time_t +make_unix_date2(const u_char *date_ptr) { - double d; - time_t ret; + u_int32_t x, x2; - /* 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; + x = EXTRACT_LE_32BITS(date_ptr); + x2 = ((x & 0xFFFF) << 16) | ((x & 0xFFFF0000) >> 16); + return int_unix_date(x2); +} - /* and a fudge factor as we got it wrong by a few days */ - d += (3*24*60*60 + 6*60*60 + 2); +/* + * 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 u_char *p) +{ + double d; + time_t ret; - if (d<0) - return(0); + TCHECK2(p[4], 4); - ret = (time_t)d; + /* this gives us seconds since jan 1st 1601 (approx) */ + d = (EXTRACT_LE_32BITS(p + 4) * 256.0 + p[3]) * (1.0e-7 * (1 << 24)); - return(ret); -} + /* 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); -/**************************************************************************** -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 (d < 0) + return(0); - if (in >= maxbuf) - return(-1); /* name goes past the end of the buffer */ - TCHECK2(*in, 1); - len = (*in++) / 2; + ret = (time_t)d; - *out=0; + return(ret); +trunc: + return(0); +} - if (len > 30 || len<1) return(0); +/* + * 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 u_char *in, const u_char *maxbuf, char *out) +{ + int ret; + int len; - while (len--) - { - if (in + 1 >= maxbuf) + if (in >= 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; + TCHECK2(*in, 1); + len = (*in++) / 2; + + *out=0; + + if (len > 30 || len < 1) return(0); - } - *out = ((in[0]-'A')<<4) + (in[1]-'A'); - in += 2; - out++; + + while (len--) { + TCHECK2(*in, 2); + if (in + 1 >= maxbuf) + return(-1); /* name goes past the end of the buffer */ + 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 u_char * +name_ptr(const u_char *buf, int ofs, const u_char *maxbuf) { - const uchar *p; - uchar c; + const u_char *p; + u_char 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) { + u_int16_t l = EXTRACT_16BITS(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 u_char *buf, int ofs, const u_char *maxbuf, char *name) { - const uchar *p = name_ptr(buf,ofs,maxbuf); - if (p == NULL) - return(-1); /* error (probably name going past end of buffer) */ - strcpy(name,""); - 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) + const u_char *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) { - 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++) - printf("%c",isprint(buf[i])?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 = SMBMIN(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 *fdata1(const uchar *buf, const char *fmt, const uchar *maxbuf) +static const u_char * +smb_fdata1(const u_char *buf, const char *fmt, const u_char *maxbuf) { - int reverse=0; - char *attrib_fmt = "READONLY|HIDDEN|SYSTEM|VOLUME|DIR|ARCHIVE|"; - int len; - - while (*fmt && buf<maxbuf) { - switch (*fmt) { - case 'a': - write_bits(CVAL(buf,0),attrib_fmt); - buf++; fmt++; - break; - - case 'A': - write_bits(SVAL(buf,0),attrib_fmt); - buf+=2; fmt++; - break; - - case '{': - { - char bitfmt[128]; - char *p = strchr(++fmt,'}'); - int l = PTR_DIFF(p,fmt); - strncpy(bitfmt,fmt,l); - bitfmt[l]=0; - fmt = p+1; - write_bits(CVAL(buf,0),bitfmt); - buf++; - break; - } - - case 'P': - { - int l = atoi(fmt+1); - buf += l; - fmt++; - while (isdigit(*fmt)) fmt++; - break; - } - case 'r': - reverse = !reverse; - fmt++; - break; - case 'D': - { - unsigned int x = reverse?RIVAL(buf,0):IVAL(buf,0); - printf("%d (0x%x)",x, x); - buf += 4; - fmt++; - break; - } - case 'L': - { - unsigned int x1 = reverse?RIVAL(buf,0):IVAL(buf,0); - unsigned int x2 = reverse?RIVAL(buf,4):IVAL(buf,4); - if (x2) { - printf("0x%08x:%08x",x2, x1); - } else { - printf("%d (0x%08x%08x)",x1, x2, x1); - } - buf += 8; - fmt++; - break; - } - case 'd': - { - unsigned int x = reverse?RSVAL(buf,0):SVAL(buf,0); - printf("%d (0x%x)",x, x); - buf += 2; - fmt++; - break; - } - case 'W': - { - unsigned int x = reverse?RIVAL(buf,0):IVAL(buf,0); - printf("0x%X",x); - buf += 4; - fmt++; - break; - } - case 'w': - { - unsigned int x = reverse?RSVAL(buf,0):SVAL(buf,0); - printf("0x%X",x); - buf += 2; - fmt++; - break; - } - case 'B': - { - unsigned int x = CVAL(buf,0); - printf("0x%X",x); - buf += 1; - fmt++; - break; - } - case 'b': - { - unsigned int x = CVAL(buf,0); - printf("%d (0x%x)",x, x); - buf += 1; - fmt++; - break; - } - case 'S': - { - printf("%.*s",(int)PTR_DIFF(maxbuf,buf),unistr(buf, &len)); - buf += len; - fmt++; - break; - } - case 'Z': - { - if (*buf != 4 && *buf != 2) - printf("Error! ASCIIZ buffer of type %d (safety=%d)\n", - *buf,(int)PTR_DIFF(maxbuf,buf)); - printf("%.*s",(int)PTR_DIFF(maxbuf,buf+1),unistr(buf+1, &len)); - buf += len+1; - fmt++; - break; - } - case 's': - { - int l = atoi(fmt+1); - printf("%-*.*s",l,l,buf); - buf += l; - fmt++; while (isdigit(*fmt)) fmt++; - break; - } - case 'h': - { - int l = atoi(fmt+1); - while (l--) printf("%02x",*buf++); - fmt++; while (isdigit(*fmt)) fmt++; - break; - } - case 'n': - { - int t = atoi(fmt+1); - char nbuf[255]; - int name_type; - int len; - switch (t) { - case 1: - name_type = name_extract(startbuf,PTR_DIFF(buf,startbuf),maxbuf, - nbuf); - if (name_type < 0) - goto trunc; - len = name_len(buf,maxbuf); - if (len < 0) - goto trunc; - buf += len; - printf("%-15.15s NameType=0x%02X (%s)", - nbuf,name_type,name_type_str(name_type)); - break; - case 2: - name_type = buf[15]; - printf("%-15.15s NameType=0x%02X (%s)", - buf,name_type,name_type_str(name_type)); - buf += 16; - break; - } - fmt++; while (isdigit(*fmt)) fmt++; - break; - } - case 'T': - { - time_t t; - int x = IVAL(buf,0); - switch (atoi(fmt+1)) { - case 1: - if (x==0 || x==-1 || x==0xFFFFFFFF) - t = 0; - else - t = make_unix_date(buf); - buf+=4; - break; - case 2: - if (x==0 || x==-1 || x==0xFFFFFFFF) - t = 0; - else - t = make_unix_date2(buf); - buf+=4; - break; - case 3: - t = interpret_long_date(buf); - buf+=8; - break; + int reverse = 0; + char *attrib_fmt = "READONLY|HIDDEN|SYSTEM|VOLUME|DIR|ARCHIVE|"; + int len; + + while (*fmt && buf<maxbuf) { + switch (*fmt) { + case 'a': + write_bits(buf[0], attrib_fmt); + buf++; + fmt++; + break; + + case 'A': + write_bits(EXTRACT_LE_16BITS(buf), attrib_fmt); + buf += 2; + fmt++; + break; + + case '{': + { + char bitfmt[128]; + char *p = strchr(++fmt, '}'); + int l = PTR_DIFF(p, fmt); + strncpy(bitfmt, fmt, l); + bitfmt[l] = 0; + fmt = p + 1; + write_bits(buf[0], bitfmt); + buf++; + break; + } + + case 'P': + { + int l = atoi(fmt + 1); + buf += l; + fmt++; + while (isdigit(*fmt)) + fmt++; + break; + } + case 'r': + reverse = !reverse; + fmt++; + break; + case 'D': + { + unsigned int x; + + TCHECK2(buf[0], 4); + x = reverse ? EXTRACT_32BITS(buf) : EXTRACT_LE_32BITS(buf); + printf("%d (0x%x)", x, x); + buf += 4; + fmt++; + break; + } + case 'L': + { + unsigned int x1, x2; + + TCHECK2(buf[4], 4); + x1 = reverse ? EXTRACT_32BITS(buf) : + EXTRACT_LE_32BITS(buf); + x2 = reverse ? EXTRACT_32BITS(buf + 4) : + EXTRACT_LE_32BITS(buf + 4); + if (x2) + printf("0x%08x:%08x", x2, x1); + else + printf("%d (0x%08x%08x)", x1, x2, x1); + buf += 8; + fmt++; + break; + } + case 'd': + { + unsigned int x; + TCHECK2(buf[0], 2); + x = reverse ? EXTRACT_16BITS(buf) : + EXTRACT_LE_16BITS(buf); + printf("%d (0x%x)", x, x); + buf += 2; + fmt++; + break; + } + case 'W': + { + unsigned int x; + TCHECK2(buf[0], 4); + x = reverse ? EXTRACT_32BITS(buf) : + EXTRACT_LE_32BITS(buf); + printf("0x%X", x); + buf += 4; + fmt++; + break; + } + case 'w': + { + unsigned int x; + TCHECK2(buf[0], 2); + x = reverse ? EXTRACT_16BITS(buf) : + EXTRACT_LE_16BITS(buf); + printf("0x%X", x); + buf += 2; + fmt++; + break; + } + case 'B': + { + unsigned int x; + TCHECK(buf[0]); + x = buf[0]; + printf("0x%X", x); + buf += 1; + fmt++; + break; + } + case 'b': + { + unsigned int x; + TCHECK(buf[0]); + x = buf[0]; + printf("%u (0x%x)", x, x); + buf += 1; + fmt++; + break; + } + case 'S': + { + /*XXX unistr() */ + printf("%.*s", (int)PTR_DIFF(maxbuf, buf), unistr(buf, &len)); + buf += len; + fmt++; + break; + } + case 'Z': + { + if (*buf != 4 && *buf != 2) + printf("Error! ASCIIZ buffer of type %u (safety=%lu)\n", *buf, + (unsigned long)PTR_DIFF(maxbuf, buf)); + printf("%.*s", (int)PTR_DIFF(maxbuf, buf + 1), + unistr(buf + 1, &len)); + buf += len + 1; + fmt++; + break; + } + case 's': + { + int l = atoi(fmt + 1); + printf("%-*.*s", l, l, buf); + buf += l; + fmt++; + while (isdigit(*fmt)) + fmt++; + break; + } + case 'h': + { + int l = atoi(fmt + 1); + while (l--) + printf("%02x", *buf++); + fmt++; + while (isdigit(*fmt)) + fmt++; + break; + } + case 'n': + { + int t = atoi(fmt+1); + char nbuf[255]; + int name_type; + int len; + + switch (t) { + case 1: + name_type = name_extract(startbuf, PTR_DIFF(buf, startbuf), + maxbuf, nbuf); + if (name_type < 0) + goto trunc; + len = name_len(buf, maxbuf); + if (len < 0) + goto trunc; + buf += len; + printf("%-15.15s NameType=0x%02X (%s)", nbuf, name_type, + name_type_str(name_type)); + break; + case 2: + name_type = buf[15]; + printf("%-15.15s NameType=0x%02X (%s)", buf, name_type, + name_type_str(name_type)); + buf += 16; + break; + } + fmt++; + while (isdigit(*fmt)) + fmt++; + break; + } + case 'T': + { + time_t t; + int x; + x = EXTRACT_LE_32BITS(buf); + + switch (atoi(fmt + 1)) { + case 1: + if (x == 0 || x == -1 || x == 0xFFFFFFFF) + t = 0; + else + t = make_unix_date(buf); + buf += 4; + break; + case 2: + if (x == 0 || x == -1 || x == 0xFFFFFFFF) + t = 0; + else + t = make_unix_date2(buf); + buf += 4; + break; + case 3: + t = interpret_long_date(buf); + buf += 8; + break; + } + printf("%s", t ? asctime(localtime(&t)) : "NULL\n"); + fmt++; + while (isdigit(*fmt)) + fmt++; + break; + } + default: + putchar(*fmt); + fmt++; + break; } - printf("%s",t?asctime(localtime(&t)):"NULL\n"); - fmt++; while (isdigit(*fmt)) fmt++; - break; - } - default: - putchar(*fmt); - fmt++; - break; } - } - if (buf>=maxbuf && *fmt) - printf("END OF BUFFER\n"); + if (buf >= maxbuf && *fmt) + printf("END OF BUFFER\n"); - return(buf); + return(buf); trunc: - printf("\n"); - printf("WARNING: Short packet. Try increasing the snap length\n"); - return(NULL); + printf("\n"); + printf("WARNING: Short packet. Try increasing the snap length\n"); + return(NULL); } -const uchar *fdata(const uchar *buf, const char *fmt, const uchar *maxbuf) +const u_char * +smb_fdata(const u_char *buf, const char *fmt, const u_char *maxbuf) { - static int depth=0; - char s[128]; - char *p; - - while (*fmt) { - switch (*fmt) { - case '*': - fmt++; - while (buf < maxbuf) { - const uchar *buf2; - depth++; - buf2 = fdata(buf,fmt,maxbuf); - depth--; - if (buf2 == buf) return(buf); - buf = buf2; - } - break; - - case '|': - fmt++; - if (buf>=maxbuf) return(buf); - break; - - case '%': - fmt++; - buf=maxbuf; - break; - - case '#': - fmt++; - return(buf); - break; - - case '[': - fmt++; - if (buf>=maxbuf) return(buf); - memset(s, 0, sizeof(s)); - p = strchr(fmt,']'); - strncpy(s,fmt,p-fmt); - fmt = p+1; - buf = fdata1(buf,s,maxbuf); - if (buf == NULL) - return(NULL); - break; - - default: - putchar(*fmt); fmt++; - fflush(stdout); - break; + static int depth = 0; + char s[128]; + char *p; + + while (*fmt) { + switch (*fmt) { + case '*': + fmt++; + while (buf < maxbuf) { + const u_char *buf2; + depth++; + buf2 = smb_fdata(buf, fmt, maxbuf); + depth--; + if (buf2 == NULL) + return(NULL); + if (buf2 == buf) + return(buf); + buf = buf2; + } + return(buf); + + case '|': + fmt++; + if (buf >= maxbuf) + return(buf); + break; + + case '%': + fmt++; + buf = maxbuf; + break; + + case '#': + fmt++; + return(buf); + break; + + case '[': + fmt++; + if (buf >= maxbuf) + return(buf); + memset(s, 0, sizeof(s)); + p = strchr(fmt, ']'); + if (p - fmt + 1 > sizeof(s)) { + /* overrun */ + return(buf); + } + strncpy(s, fmt, p - fmt); + s[p - fmt] = '\0'; + fmt = p + 1; + buf = smb_fdata1(buf, s, maxbuf); + if (buf == NULL) + return(NULL); + break; + + default: + putchar(*fmt); + fmt++; + fflush(stdout); + break; + } } - } - if (!depth && buf<maxbuf) { - int len = PTR_DIFF(maxbuf,buf); - printf("Data: (%d bytes)\n",len); - print_data(buf,len); - return(buf+len); - } - return(buf); + if (!depth && buf < maxbuf) { + size_t len = PTR_DIFF(maxbuf, buf); + printf("Data: (%lu bytes)\n", (unsigned long)len); + print_data(buf, len); + return(buf + len); + } + return(buf); } -typedef struct -{ - char *name; - int code; - char *message; +typedef struct { + const char *name; + int code; + const char *message; } err_code_struct; /* Dos Error Messages */ static err_code_struct dos_msgs[] = { - {"ERRbadfunc",1,"Invalid function."}, - {"ERRbadfile",2,"File not found."}, - {"ERRbadpath",3,"Directory invalid."}, - {"ERRnofids",4,"No file descriptors available"}, - {"ERRnoaccess",5,"Access denied."}, - {"ERRbadfid",6,"Invalid file handle."}, - {"ERRbadmcb",7,"Memory control blocks destroyed."}, - {"ERRnomem",8,"Insufficient server memory to perform the requested function."}, - {"ERRbadmem",9,"Invalid memory block address."}, - {"ERRbadenv",10,"Invalid environment."}, - {"ERRbadformat",11,"Invalid format."}, - {"ERRbadaccess",12,"Invalid open mode."}, - {"ERRbaddata",13,"Invalid data."}, - {"ERR",14,"reserved."}, - {"ERRbaddrive",15,"Invalid drive specified."}, - {"ERRremcd",16,"A Delete Directory request attempted to remove the server's current directory."}, - {"ERRdiffdevice",17,"Not same device."}, - {"ERRnofiles",18,"A File Search command can find no more files matching the specified criteria."}, - {"ERRbadshare",32,"The sharing mode specified for an Open conflicts with existing FIDs on the file."}, - {"ERRlock",33,"A Lock request conflicted with an existing lock or specified an invalid mode, or an Unlock requested attempted to remove a lock held by another process."}, - {"ERRfilexists",80,"The file named in a Create Directory, Make New File or Link request already exists."}, - {"ERRbadpipe",230,"Pipe invalid."}, - {"ERRpipebusy",231,"All instances of the requested pipe are busy."}, - {"ERRpipeclosing",232,"Pipe close in progress."}, - {"ERRnotconnected",233,"No process on other end of pipe."}, - {"ERRmoredata",234,"There is more data to be returned."}, - {NULL,-1,NULL}}; + { "ERRbadfunc", 1, "Invalid function." }, + { "ERRbadfile", 2, "File not found." }, + { "ERRbadpath", 3, "Directory invalid." }, + { "ERRnofids", 4, "No file descriptors available" }, + { "ERRnoaccess", 5, "Access denied." }, + { "ERRbadfid", 6, "Invalid file handle." }, + { "ERRbadmcb", 7, "Memory control blocks destroyed." }, + { "ERRnomem", 8, "Insufficient server memory to perform the requested function." }, + { "ERRbadmem", 9, "Invalid memory block address." }, + { "ERRbadenv", 10, "Invalid environment." }, + { "ERRbadformat", 11, "Invalid format." }, + { "ERRbadaccess", 12, "Invalid open mode." }, + { "ERRbaddata", 13, "Invalid data." }, + { "ERR", 14, "reserved." }, + { "ERRbaddrive", 15, "Invalid drive specified." }, + { "ERRremcd", 16, "A Delete Directory request attempted to remove the server's current directory." }, + { "ERRdiffdevice", 17, "Not same device." }, + { "ERRnofiles", 18, "A File Search command can find no more files matching the specified criteria." }, + { "ERRbadshare", 32, "The sharing mode specified for an Open conflicts with existing FIDs on the file." }, + { "ERRlock", 33, "A Lock request conflicted with an existing lock or specified an invalid mode, or an Unlock requested attempted to remove a lock held by another process." }, + { "ERRfilexists", 80, "The file named in a Create Directory, Make New File or Link request already exists." }, + { "ERRbadpipe", 230, "Pipe invalid." }, + { "ERRpipebusy", 231, "All instances of the requested pipe are busy." }, + { "ERRpipeclosing", 232, "Pipe close in progress." }, + { "ERRnotconnected", 233, "No process on other end of pipe." }, + { "ERRmoredata", 234, "There is more data to be returned." }, + { NULL, -1, NULL } + }; /* Server Error Messages */ err_code_struct server_msgs[] = { - {"ERRerror",1,"Non-specific error code."}, - {"ERRbadpw",2,"Bad password - name/password pair in a Tree Connect or Session Setup are invalid."}, - {"ERRbadtype",3,"reserved."}, - {"ERRaccess",4,"The requester does not have the necessary access rights within the specified context for the requested function. The context is defined by the TID or the UID."}, - {"ERRinvnid",5,"The tree ID (TID) specified in a command was invalid."}, - {"ERRinvnetname",6,"Invalid network name in tree connect."}, - {"ERRinvdevice",7,"Invalid device - printer request made to non-printer connection or non-printer request made to printer connection."}, - {"ERRqfull",49,"Print queue full (files) -- returned by open print file."}, - {"ERRqtoobig",50,"Print queue full -- no space."}, - {"ERRqeof",51,"EOF on print queue dump."}, - {"ERRinvpfid",52,"Invalid print file FID."}, - {"ERRsmbcmd",64,"The server did not recognize the command received."}, - {"ERRsrverror",65,"The server encountered an internal error, e.g., system file unavailable."}, - {"ERRfilespecs",67,"The file handle (FID) and pathname parameters contained an invalid combination of values."}, - {"ERRreserved",68,"reserved."}, - {"ERRbadpermits",69,"The access permissions specified for a file or directory are not a valid combination. The server cannot set the requested attribute."}, - {"ERRreserved",70,"reserved."}, - {"ERRsetattrmode",71,"The attribute mode in the Set File Attribute request is invalid."}, - {"ERRpaused",81,"Server is paused."}, - {"ERRmsgoff",82,"Not receiving messages."}, - {"ERRnoroom",83,"No room to buffer message."}, - {"ERRrmuns",87,"Too many remote user names."}, - {"ERRtimeout",88,"Operation timed out."}, - {"ERRnoresource",89,"No resources currently available for request."}, - {"ERRtoomanyuids",90,"Too many UIDs active on this session."}, - {"ERRbaduid",91,"The UID is not known as a valid ID on this session."}, - {"ERRusempx",250,"Temp unable to support Raw, use MPX mode."}, - {"ERRusestd",251,"Temp unable to support Raw, use standard read/write."}, - {"ERRcontmpx",252,"Continue in MPX mode."}, - {"ERRreserved",253,"reserved."}, - {"ERRreserved",254,"reserved."}, - {"ERRnosupport",0xFFFF,"Function not supported."}, - {NULL,-1,NULL}}; + { "ERRerror", 1, "Non-specific error code." }, + { "ERRbadpw", 2, "Bad password - name/password pair in a Tree Connect or Session Setup are invalid." }, + { "ERRbadtype", 3, "reserved." }, + { "ERRaccess", 4, "The requester does not have the necessary access rights within the specified context for the requested function. The context is defined by the TID or the UID." }, + { "ERRinvnid", 5, "The tree ID (TID) specified in a command was invalid." }, + { "ERRinvnetname", 6, "Invalid network name in tree connect." }, + { "ERRinvdevice", 7, "Invalid device - printer request made to non-printer connection or non-printer request made to printer connection." }, + { "ERRqfull", 49, "Print queue full (files) -- returned by open print file." }, + { "ERRqtoobig", 50, "Print queue full -- no space." }, + { "ERRqeof", 51, "EOF on print queue dump." }, + { "ERRinvpfid", 52, "Invalid print file FID." }, + { "ERRsmbcmd", 64, "The server did not recognize the command received." }, + { "ERRsrverror", 65, "The server encountered an internal error, e.g., system file unavailable." }, + { "ERRfilespecs", 67, "The file handle (FID) and pathname parameters contained an invalid combination of values." }, + { "ERRreserved", 68, "reserved." }, + { "ERRbadpermits", 69, "The access permissions specified for a file or directory are not a valid combination. The server cannot set the requested attribute." }, + { "ERRreserved", 70, "reserved." }, + { "ERRsetattrmode", 71, "The attribute mode in the Set File Attribute request is invalid." }, + { "ERRpaused", 81, "Server is paused." }, + { "ERRmsgoff", 82, "Not receiving messages." }, + { "ERRnoroom", 83, "No room to buffer message." }, + { "ERRrmuns", 87, "Too many remote user names." }, + { "ERRtimeout", 88, "Operation timed out." }, + { "ERRnoresource", 89, "No resources currently available for request." }, + { "ERRtoomanyuids", 90, "Too many UIDs active on this session." }, + { "ERRbaduid", 91, "The UID is not known as a valid ID on this session." }, + { "ERRusempx", 250, "Temp unable to support Raw, use MPX mode." }, + { "ERRusestd", 251, "Temp unable to support Raw, use standard read/write." }, + { "ERRcontmpx", 252, "Continue in MPX mode." }, + { "ERRreserved", 253, "reserved." }, + { "ERRreserved", 254, "reserved." }, + { "ERRnosupport", 0xFFFF, "Function not supported." }, + { NULL, -1, NULL } +}; /* Hard Error Messages */ err_code_struct hard_msgs[] = { - {"ERRnowrite",19,"Attempt to write on write-protected diskette."}, - {"ERRbadunit",20,"Unknown unit."}, - {"ERRnotready",21,"Drive not ready."}, - {"ERRbadcmd",22,"Unknown command."}, - {"ERRdata",23,"Data error (CRC)."}, - {"ERRbadreq",24,"Bad request structure length."}, - {"ERRseek",25 ,"Seek error."}, - {"ERRbadmedia",26,"Unknown media type."}, - {"ERRbadsector",27,"Sector not found."}, - {"ERRnopaper",28,"Printer out of paper."}, - {"ERRwrite",29,"Write fault."}, - {"ERRread",30,"Read fault."}, - {"ERRgeneral",31,"General failure."}, - {"ERRbadshare",32,"A open conflicts with an existing open."}, - {"ERRlock",33,"A Lock request conflicted with an existing lock or specified an invalid mode, or an Unlock requested attempted to remove a lock held by another process."}, - {"ERRwrongdisk",34,"The wrong disk was found in a drive."}, - {"ERRFCBUnavail",35,"No FCBs are available to process request."}, - {"ERRsharebufexc",36,"A sharing buffer has been exceeded."}, - {NULL,-1,NULL}}; - - -static struct -{ - int code; - char *class; - err_code_struct *err_msgs; -} err_classes[] = { - {0,"SUCCESS",NULL}, - {0x01,"ERRDOS",dos_msgs}, - {0x02,"ERRSRV",server_msgs}, - {0x03,"ERRHRD",hard_msgs}, - {0x04,"ERRXOS",NULL}, - {0xE1,"ERRRMX1",NULL}, - {0xE2,"ERRRMX2",NULL}, - {0xE3,"ERRRMX3",NULL}, - {0xFF,"ERRCMD",NULL}, - {-1,NULL,NULL}}; - - -/**************************************************************************** -return a SMB error string from a SMB buffer -****************************************************************************/ -char *smb_errstr(int class,int num) + { "ERRnowrite", 19, "Attempt to write on write-protected diskette." }, + { "ERRbadunit", 20, "Unknown unit." }, + { "ERRnotready", 21, "Drive not ready." }, + { "ERRbadcmd", 22, "Unknown command." }, + { "ERRdata", 23, "Data error (CRC)." }, + { "ERRbadreq", 24, "Bad request structure length." }, + { "ERRseek", 25 , "Seek error." }, + { "ERRbadmedia", 26, "Unknown media type." }, + { "ERRbadsector", 27, "Sector not found." }, + { "ERRnopaper", 28, "Printer out of paper." }, + { "ERRwrite", 29, "Write fault." }, + { "ERRread", 30, "Read fault." }, + { "ERRgeneral", 31, "General failure." }, + { "ERRbadshare", 32, "A open conflicts with an existing open." }, + { "ERRlock", 33, "A Lock request conflicted with an existing lock or specified an invalid mode, or an Unlock requested attempted to remove a lock held by another process." }, + { "ERRwrongdisk", 34, "The wrong disk was found in a drive." }, + { "ERRFCBUnavail", 35, "No FCBs are available to process request." }, + { "ERRsharebufexc", 36, "A sharing buffer has been exceeded." }, + { NULL, -1, NULL } +}; + +static struct { + int code; + char *class; + err_code_struct *err_msgs; +} err_classes[] = { + { 0, "SUCCESS", NULL }, + { 0x01, "ERRDOS", dos_msgs }, + { 0x02, "ERRSRV", server_msgs }, + { 0x03, "ERRHRD", hard_msgs }, + { 0x04, "ERRXOS", NULL }, + { 0xE1, "ERRRMX1", NULL }, + { 0xE2, "ERRRMX2", NULL }, + { 0xE3, "ERRRMX3", NULL }, + { 0xFF, "ERRCMD", NULL }, + { -1, NULL, NULL } +}; + +/* + * return a SMB error string from a SMB buffer + */ +char * +smb_errstr(int class, int num) { - static char ret[128]; - int i,j; - - ret[0]=0; - - for (i=0;err_classes[i].class;i++) - if (err_classes[i].code == class) - { - if (err_classes[i].err_msgs) - { - err_code_struct *err = err_classes[i].err_msgs; - for (j=0;err[j].name;j++) - if (num == err[j].code) - { - snprintf(ret,sizeof(ret),"%s - %s (%s)",err_classes[i].class, - err[j].name,err[j].message); - return ret; - } - } + static char ret[128]; + int i, j; + + ret[0] = 0; + + for (i = 0; err_classes[i].class; i++) + if (err_classes[i].code == class) { + if (err_classes[i].err_msgs) { + err_code_struct *err = err_classes[i].err_msgs; + for (j = 0; err[j].name; j++) + if (num == err[j].code) { + snprintf(ret, sizeof(ret), "%s - %s (%s)", + err_classes[i].class, err[j].name, err[j].message); + return ret; + } + } + + snprintf(ret, sizeof(ret), "%s - %d", err_classes[i].class, num); + return ret; + } - snprintf(ret,sizeof(ret),"%s - %d",err_classes[i].class,num); - return ret; - } - - snprintf(ret,sizeof(ret),"ERROR: Unknown error (%d,%d)",class,num); - return(ret); + snprintf(ret, sizeof(ret), "ERROR: Unknown error (%d,%d)", class, num); + return(ret); } |