/* * $Id$ * * Ethereal - Network traffic analyzer * By Gerald Combs * Copyright 2001 Gerald Combs * * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include #include "ftypes-int.h" #include #ifdef NEED_G_ASCII_STRTOULL_H #include "g_ascii_strtoull.h" #endif /* * GLib 1.2[.x] doesn't define G_MAXUINT32 or G_MAXUINT64; if they're * not defined, we define them as the maximum 32-bit and 32-bit * unsigned numbers. */ #ifndef G_MAXUINT32 #define G_MAXUINT32 ((guint32)0xFFFFFFFFU) #endif #ifndef G_MAXUINT64 #define G_MAXUINT64 ((guint64)G_GINT64_CONSTANT(0xFFFFFFFFFFFFFFFFU)) #endif static void int_fvalue_new(fvalue_t *fv) { fv->value.integer = 0; } static void set_integer(fvalue_t *fv, guint32 value) { fv->value.integer = value; } static guint32 get_integer(fvalue_t *fv) { return fv->value.integer; } static gboolean val_from_unparsed(fvalue_t *fv, char *s, gboolean allow_partial_value _U_, LogFunc logfunc) { unsigned long value; char *endptr; errno = 0; value = strtoul(s, &endptr, 0); if (errno == EINVAL || endptr == s || *endptr != '\0') { /* This isn't a valid number. */ if (logfunc != NULL) logfunc("\"%s\" is not a valid number.", s); return FALSE; } if (errno == ERANGE) { if (logfunc != NULL) { if (value == ULONG_MAX) { logfunc("\"%s\" causes an integer overflow.", s); } else { /* * XXX - can "strtoul()" set errno to * ERANGE without returning ULONG_MAX? */ logfunc("\"%s\" is not an integer.", s); } } return FALSE; } if (value > G_MAXUINT32) { /* * Fits in an unsigned long, but not in a guint32 * (an unsigned long might be 64 bits). */ if (logfunc != NULL) logfunc("\"%s\" causes an integer overflow.", s); return FALSE; } fv->value.integer = value; return TRUE; } static gboolean ipxnet_from_unparsed(fvalue_t *fv, char *s, gboolean allow_partial_value _U_, LogFunc logfunc) { guint32 val; gboolean known; /* * Don't log a message if this fails; we'll try looking it * up as an IPX network name if it does, and if that fails, * we'll log a message. */ if (val_from_unparsed(fv, s, TRUE, NULL)) { return TRUE; } val = get_ipxnet_addr(s, &known); if (known) { fv->value.integer = val; return TRUE; } logfunc("\"%s\" is not a valid IPX network name or address.", s); return FALSE; } static gboolean cmp_eq(fvalue_t *a, fvalue_t *b) { return a->value.integer == b->value.integer; } static gboolean cmp_ne(fvalue_t *a, fvalue_t *b) { return a->value.integer != b->value.integer; } static gboolean u_cmp_gt(fvalue_t *a, fvalue_t *b) { return (int)a->value.integer > (int)b->value.integer; } static gboolean u_cmp_ge(fvalue_t *a, fvalue_t *b) { return (int)a->value.integer >= (int)b->value.integer; } static gboolean u_cmp_lt(fvalue_t *a, fvalue_t *b) { return (int)a->value.integer < (int)b->value.integer; } static gboolean u_cmp_le(fvalue_t *a, fvalue_t *b) { return (int)a->value.integer <= (int)b->value.integer; } static gboolean s_cmp_gt(fvalue_t *a, fvalue_t *b) { return a->value.integer > b->value.integer; } static gboolean s_cmp_ge(fvalue_t *a, fvalue_t *b) { return a->value.integer >= b->value.integer; } static gboolean s_cmp_lt(fvalue_t *a, fvalue_t *b) { return a->value.integer < b->value.integer; } static gboolean s_cmp_le(fvalue_t *a, fvalue_t *b) { return a->value.integer <= b->value.integer; } static gboolean cmp_bitwise_and(fvalue_t *a, fvalue_t *b) { return ((a->value.integer & b->value.integer) != 0); } static void int64_fvalue_new(fvalue_t *fv) { fv->value.integer64 = 0; } static void set_integer64(fvalue_t *fv, guint64 value) { fv->value.integer64 = value; } static guint64 get_integer64(fvalue_t *fv) { return fv->value.integer64; } static gboolean val64_from_unparsed(fvalue_t *fv, char *s, gboolean allow_partial_value _U_, LogFunc logfunc) { guint64 value; char *endptr; errno = 0; value = g_ascii_strtoull(s, &endptr, 0); if (errno == EINVAL || endptr == s || *endptr != '\0') { /* This isn't a valid number. */ if (logfunc != NULL) logfunc("\"%s\" is not a valid number.", s); return FALSE; } if (errno == ERANGE) { if (logfunc != NULL) { if (value == ULONG_MAX) { logfunc("\"%s\" causes an integer overflow.", s); } else { /* * XXX - can "strtoul()" set errno to * ERANGE without returning ULONG_MAX? */ logfunc("\"%s\" is not an integer.", s); } } return FALSE; } if (value > G_MAXUINT64) { /* * Fits in an unsigned long, but not in a guint64 * (unlikely, but not impossible). */ if (logfunc != NULL) logfunc("\"%s\" causes an integer overflow.", s); return FALSE; } fv->value.integer64 = value; return TRUE; } static gboolean cmp_eq64(fvalue_t *a, fvalue_t *b) { return a->value.integer64 == b->value.integer64; } static gboolean cmp_ne64(fvalue_t *a, fvalue_t *b) { return a->value.integer64 != b->value.integer64; } static gboolean u_cmp_gt64(fvalue_t *a, fvalue_t *b) { return (gint64)a->value.integer64 > (gint64)b->value.integer64; } static gboolean u_cmp_ge64(fvalue_t *a, fvalue_t *b) { return (gint64)a->value.integer64 >= (gint64)b->value.integer64; } static gboolean u_cmp_lt64(fvalue_t *a, fvalue_t *b) { return (gint64)a->value.integer64 < (gint64)b->value.integer64; } static gboolean u_cmp_le64(fvalue_t *a, fvalue_t *b) { return (gint64)a->value.integer64 <= (gint64)b->value.integer64; } static gboolean s_cmp_gt64(fvalue_t *a, fvalue_t *b) { return a->value.integer64 > b->value.integer64; } static gboolean s_cmp_ge64(fvalue_t *a, fvalue_t *b) { return a->value.integer64 >= b->value.integer64; } static gboolean s_cmp_lt64(fvalue_t *a, fvalue_t *b) { return a->value.integer64 < b->value.integer64; } static gboolean s_cmp_le64(fvalue_t *a, fvalue_t *b) { return a->value.integer64 <= b->value.integer64; } static gboolean cmp_bitwise_and64(fvalue_t *a, fvalue_t *b) { return ((a->value.integer64 & b->value.integer64) != 0); } /* BOOLEAN-specific */ static void boolean_fvalue_new(fvalue_t *fv) { fv->value.integer = TRUE; } static int boolean_repr_len(fvalue_t *fv _U_, ftrepr_t rtype _U_) { return 1; } static void boolean_to_repr(fvalue_t *fv, ftrepr_t rtype _U_, char *buf) { sprintf(buf, "%s", fv->value.integer ? "1" : "0"); } /* Checks for equality with zero or non-zero */ static gboolean bool_eq(fvalue_t *a, fvalue_t *b) { if (a->value.integer) { if (b->value.integer) { return TRUE; } else { return FALSE; } } else { if (b->value.integer) { return FALSE; } else { return TRUE; } } } /* Checks for inequality with zero or non-zero */ static gboolean bool_ne(fvalue_t *a, fvalue_t *b) { return (!bool_eq(a,b)); } void ftype_register_integers(void) { static ftype_t uint8_type = { "FT_UINT8", /* name */ "unsigned, 1 byte", /* pretty name */ 1, /* wire_size */ int_fvalue_new, /* new_value */ NULL, /* free_value */ val_from_unparsed, /* val_from_unparsed */ NULL, /* val_from_string */ NULL, /* val_to_string_repr */ NULL, /* len_string_repr */ NULL, /* set_value */ set_integer, /* set_value_integer */ NULL, /* set_value_integer64 */ NULL, /* set_value_floating */ NULL, /* get_value */ get_integer, /* get_value_integer */ NULL, /* get_value_integer64 */ NULL, /* get_value_floating */ cmp_eq, cmp_ne, u_cmp_gt, u_cmp_ge, u_cmp_lt, u_cmp_le, cmp_bitwise_and, NULL, /* cmp_contains */ NULL, /* cmp_matches */ NULL, /* len */ NULL, /* slice */ }; static ftype_t uint16_type = { "FT_UINT16", /* name */ "unsigned, 2 bytes", /* pretty_name */ 2, /* wire_size */ int_fvalue_new, /* new_value */ NULL, /* free_value */ val_from_unparsed, /* val_from_unparsed */ NULL, /* val_from_string */ NULL, /* val_to_string_repr */ NULL, /* len_string_repr */ NULL, /* set_value */ set_integer, /* set_value_integer */ NULL, /* set_value_integer64 */ NULL, /* set_value_floating */ NULL, /* get_value */ get_integer, /* get_value_integer */ NULL, /* get_value_integer64 */ NULL, /* get_value_floating */ cmp_eq, cmp_ne, u_cmp_gt, u_cmp_ge, u_cmp_lt, u_cmp_le, cmp_bitwise_and, NULL, /* cmp_contains */ NULL, /* cmp_matches */ NULL, /* len */ NULL, /* slice */ }; static ftype_t uint24_type = { "FT_UINT24", /* name */ "unsigned, 3 bytes", /* pretty_name */ 3, /* wire_size */ int_fvalue_new, /* new_value */ NULL, /* free_value */ val_from_unparsed, /* val_from_unparsed */ NULL, /* val_from_string */ NULL, /* val_to_string_repr */ NULL, /* len_string_repr */ NULL, /* set_value */ set_integer, /* set_value_integer */ NULL, /* set_value_integer64 */ NULL, /* set_value_floating */ NULL, /* get_value */ get_integer, /* get_value_integer */ NULL, /* get_value_integer64 */ NULL, /* get_value_floating */ cmp_eq, cmp_ne, u_cmp_gt, u_cmp_ge, u_cmp_lt, u_cmp_le, cmp_bitwise_and, NULL, /* cmp_contains */ NULL, /* cmp_matches */ NULL, /* len */ NULL, /* slice */ }; static ftype_t uint32_type = { "FT_UINT32", /* name */ "unsigned, 4 bytes", /* pretty_name */ 4, /* wire_size */ int_fvalue_new, /* new_value */ NULL, /* free_value */ val_from_unparsed, /* val_from_unparsed */ NULL, /* val_from_string */ NULL, /* val_to_string_repr */ NULL, /* len_string_repr */ NULL, /* set_value */ set_integer, /* set_value_integer */ NULL, /* set_value_integer64 */ NULL, /* set_value_floating */ NULL, /* get_value */ get_integer, /* get_value_integer */ NULL, /* get_value_integer64 */ NULL, /* get_value_floating */ cmp_eq, cmp_ne, u_cmp_gt, u_cmp_ge, u_cmp_lt, u_cmp_le, cmp_bitwise_and, NULL, /* cmp_contains */ NULL, /* cmp_matches */ NULL, /* len */ NULL, /* slice */ }; static ftype_t uint64_type = { "FT_UINT64", /* name */ "unsigned, 8 bytes", /* pretty_name */ 8, /* wire_size */ int64_fvalue_new, /* new_value */ NULL, /* free_value */ val64_from_unparsed, /* val_from_unparsed */ NULL, /* val_from_string */ NULL, /* val_to_string_repr */ NULL, /* len_string_repr */ NULL, /* set_value */ NULL, /* set_value_integer */ set_integer64, /* set_value_integer64 */ NULL, /* set_value_floating */ NULL, /* get_value */ NULL, /* get_value_integer */ get_integer64, /* get_value_integer64 */ NULL, /* get_value_floating */ cmp_eq64, cmp_ne64, u_cmp_gt64, u_cmp_ge64, u_cmp_lt64, u_cmp_le64, cmp_bitwise_and64, NULL, /* cmp_contains */ NULL, /* cmp_matches */ NULL, NULL, }; static ftype_t int8_type = { "FT_INT8", /* name */ "signed, 1 byte", /* pretty_name */ 1, /* wire_size */ int_fvalue_new, /* new_value */ NULL, /* free_value */ val_from_unparsed, /* val_from_unparsed */ NULL, /* val_from_string */ NULL, /* val_to_string_repr */ NULL, /* len_string_repr */ NULL, /* set_value */ set_integer, /* set_value_integer */ NULL, /* set_value_integer64 */ NULL, /* set_value_floating */ NULL, /* get_value */ get_integer, /* get_value_integer */ NULL, /* get_value_integer64 */ NULL, /* get_value_floating */ cmp_eq, cmp_ne, s_cmp_gt, s_cmp_ge, s_cmp_lt, s_cmp_le, cmp_bitwise_and, NULL, /* cmp_contains */ NULL, /* cmp_matches */ NULL, /* len */ NULL, /* slice */ }; static ftype_t int16_type = { "FT_INT16", /* name */ "signed, 2 bytes", /* pretty_name */ 2, /* wire_size */ int_fvalue_new, /* new_value */ NULL, /* free_value */ val_from_unparsed, /* val_from_unparsed */ NULL, /* val_from_string */ NULL, /* val_to_string_repr */ NULL, /* len_string_repr */ NULL, /* set_value */ set_integer, /* set_value_integer */ NULL, /* set_value_integer64 */ NULL, /* set_value_floating */ NULL, /* get_value */ get_integer, /* get_value_integer */ NULL, /* get_value_integer64 */ NULL, /* get_value_floating */ cmp_eq, cmp_ne, s_cmp_gt, s_cmp_ge, s_cmp_lt, s_cmp_le, cmp_bitwise_and, NULL, /* cmp_contains */ NULL, /* cmp_matches */ NULL, /* len */ NULL, /* slice */ }; static ftype_t int24_type = { "FT_INT24", /* name */ "signed, 3 bytes", /* pretty_name */ 3, /* wire_size */ int_fvalue_new, /* new_value */ NULL, /* free_value */ val_from_unparsed, /* val_from_unparsed */ NULL, /* val_from_string */ NULL, /* val_to_string_repr */ NULL, /* len_string_repr */ NULL, /* set_value */ set_integer, /* set_value_integer */ NULL, /* set_value_integer64 */ NULL, /* set_value_floating */ NULL, /* get_value */ get_integer, /* get_value_integer */ NULL, /* get_value_integer64 */ NULL, /* get_value_floating */ cmp_eq, cmp_ne, s_cmp_gt, s_cmp_ge, s_cmp_lt, s_cmp_le, cmp_bitwise_and, NULL, /* cmp_contains */ NULL, /* cmp_matches */ NULL, /* len */ NULL, /* slice */ }; static ftype_t int32_type = { "FT_INT32", /* name */ "signed, 4 bytes", /* pretty_name */ 4, /* wire_size */ int_fvalue_new, /* new_value */ NULL, /* free_value */ val_from_unparsed, /* val_from_unparsed */ NULL, /* val_from_string */ NULL, /* val_to_string_repr */ NULL, /* len_string_repr */ NULL, /* set_value */ set_integer, /* set_value_integer */ NULL, /* set_value_integer64 */ NULL, /* set_value_floating */ NULL, /* get_value */ get_integer, /* get_value_integer */ NULL, /* get_value_integer64 */ NULL, /* get_value_floating */ cmp_eq, cmp_ne, s_cmp_gt, s_cmp_ge, s_cmp_lt, s_cmp_le, cmp_bitwise_and, NULL, /* cmp_contains */ NULL, /* cmp_matches */ NULL, /* len */ NULL, /* slice */ }; static ftype_t int64_type = { "FT_INT64", /* name */ "signed, 8 bytes", /* pretty_name */ 8, /* wire_size */ int64_fvalue_new, /* new_value */ NULL, /* free_value */ val64_from_unparsed, /* val_from_unparsed */ NULL, /* val_from_string */ NULL, /* val_to_string_repr */ NULL, /* len_string_repr */ NULL, /* set_value */ NULL, /* set_value_integer */ set_integer64, /* set_value_integer64 */ NULL, /* set_value_floating */ NULL, /* get_value */ NULL, /* get_value_integer */ get_integer64, /* get_value_integer64 */ NULL, /* get_value_floating */ cmp_eq64, cmp_ne64, s_cmp_gt64, s_cmp_ge64, s_cmp_lt64, s_cmp_le64, cmp_bitwise_and64, NULL, /* cmp_contains */ NULL, /* cmp_matches */ NULL, NULL, }; static ftype_t boolean_type = { "FT_BOOLEAN", /* name */ "Boolean", /* pretty_name */ 0, /* wire_size */ boolean_fvalue_new, /* new_value */ NULL, /* free_value */ val_from_unparsed, /* val_from_unparsed */ NULL, /* val_from_string */ boolean_to_repr, /* val_to_string_repr */ boolean_repr_len, /* len_string_repr */ NULL, /* set_value */ set_integer, /* set_value_integer */ NULL, /* set_value_integer64 */ NULL, /* set_value_floating */ NULL, /* get_value */ get_integer, /* get_value_integer */ NULL, /* get_value_integer64 */ NULL, /* get_value_floating */ bool_eq, /* cmp_eq */ bool_ne, /* cmp_ne */ NULL, /* cmp_gt */ NULL, /* cmp_ge */ NULL, /* cmp_lt */ NULL, /* cmp_le */ NULL, /* cmp_bitwise_and */ NULL, /* cmp_contains */ NULL, /* cmp_matches */ NULL, /* len */ NULL, /* slice */ }; static ftype_t ipxnet_type = { "FT_IPXNET", /* name */ "IPX network number", /* pretty_name */ 4, /* wire_size */ int_fvalue_new, /* new_value */ NULL, /* free_value */ ipxnet_from_unparsed, /* val_from_unparsed */ NULL, /* val_from_string */ NULL, /* val_to_string_repr */ NULL, /* len_string_repr */ NULL, /* set_value */ set_integer, /* set_value_integer */ NULL, /* set_value_integer64 */ NULL, /* set_value_floating */ NULL, /* get_value */ get_integer, /* get_value_integer */ NULL, /* get_value_integer64 */ NULL, /* get_value_floating */ cmp_eq, cmp_ne, u_cmp_gt, u_cmp_ge, u_cmp_lt, u_cmp_le, cmp_bitwise_and, NULL, /* cmp_contains */ NULL, /* cmp_matches */ NULL, /* len */ NULL, /* slice */ }; static ftype_t framenum_type = { "FT_FRAMENUM", /* name */ "frame number", /* pretty_name */ 4, /* wire_size */ int_fvalue_new, /* new_value */ NULL, /* free_value */ val_from_unparsed, /* val_from_unparsed */ NULL, /* val_from_string */ NULL, /* val_to_string_repr */ NULL, /* len_string_repr */ NULL, /* set_value */ set_integer, /* set_value_integer */ NULL, /* set_value_integer64 */ NULL, /* set_value_floating */ NULL, /* get_value */ get_integer, /* get_value_integer */ NULL, /* get_value_integer64 */ NULL, /* get_value_floating */ cmp_eq, cmp_ne, u_cmp_gt, u_cmp_ge, u_cmp_lt, u_cmp_le, NULL, /* cmp_bitwise_and */ NULL, /* cmp_contains */ NULL, /* cmp_matches */ NULL, /* len */ NULL, /* slice */ }; ftype_register(FT_UINT8, &uint8_type); ftype_register(FT_UINT16, &uint16_type); ftype_register(FT_UINT24, &uint24_type); ftype_register(FT_UINT32, &uint32_type); ftype_register(FT_UINT64, &uint64_type); ftype_register(FT_INT8, &int8_type); ftype_register(FT_INT16, &int16_type); ftype_register(FT_INT24, &int24_type); ftype_register(FT_INT32, &int32_type); ftype_register(FT_INT64, &int64_type); ftype_register(FT_BOOLEAN, &boolean_type); ftype_register(FT_IPXNET, &ipxnet_type); ftype_register(FT_FRAMENUM, &framenum_type); }