forked from osmocom/wireshark
![Peter Wu](/assets/img/avatar_default.png)
Caught by LeakSanitizer: Direct leak of 18 byte(s) in 3 object(s) allocated from: #0 0x55ec8c5ffec8 in __interceptor_malloc (run/wireshark+0x145dec8) #1 0x7f4d021e4328 in g_malloc /build/src/glib-2.46.2/glib/gmem.c:94 #2 0x7f4d021fd0de in g_strdup /build/src/glib-2.46.2/glib/gstrfuncs.c:363 #3 0x55ec8c6ce514 in extcap_parse_interface_sentence extcap_parser.c:670:26 #4 0x55ec8c6ce7ad in extcap_parse_interfaces extcap_parser.c:683:13 #5 0x55ec8c6b6781 in interfaces_cb extcap.c:313:5 #6 0x55ec8c6b4ce6 in extcap_foreach extcap.c:206:26 #7 0x55ec8c6b62a6 in extcap_interface_list extcap.c:415:5 #8 0x55ec8c6b7fab in extcap_register_preferences extcap.c:437:9 #9 0x55ec8c63104a in main wireshark-qt.cpp:847:5 #10 0x7f4ce8f4460f in __libc_start_main (/usr/lib/libc.so.6+0x2060f) #11 0x55ec8c569ed8 in _start (run/wireshark+0x13c7ed8) Change-Id: I0ef89e647b2cc9aab495a80f6c638e9b67cf3ad1 Reviewed-on: https://code.wireshark.org/review/13692 Reviewed-by: Dario Lombardo <lomato@gmail.com> Petri-Dish: Dario Lombardo <lomato@gmail.com> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Anders Broman <a.broman58@gmail.com>
781 lines
24 KiB
C
781 lines
24 KiB
C
/* extcap_parser.c
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*
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* Routines for extcap external capture
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* Copyright 2013, Mike Ryan <mikeryan@lacklustre.net>
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <config.h>
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#include <stdio.h>
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#include <glib.h>
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#include <string.h>
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#include "extcap.h"
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#include "extcap_parser.h"
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void extcap_printf_complex(extcap_complex *comp) {
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gchar *ret = extcap_get_complex_as_string(comp);
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printf("%s", ret);
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g_free(ret);
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}
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gchar *extcap_get_complex_as_string(extcap_complex *comp) {
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return (comp ? g_strdup(comp->_val) : NULL);
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}
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extcap_complex *extcap_parse_complex(extcap_arg_type complex_type,
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const gchar *data) {
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extcap_complex *rc = g_new0(extcap_complex, 1);
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rc->_val = g_strdup( (gchar *) data);
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rc->complex_type = complex_type;
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return rc;
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}
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gboolean extcap_compare_is_default(extcap_arg *element, extcap_complex *test) {
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if ( element == NULL || element->default_complex == NULL || test == NULL )
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return FALSE;
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if ( g_strcmp0(element->default_complex->_val, test->_val) == 0 )
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return TRUE;
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return FALSE;
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}
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void extcap_free_complex(extcap_complex *comp) {
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if ( comp )
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g_free(comp->_val);
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g_free(comp);
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}
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gint extcap_complex_get_int(extcap_complex *comp) {
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if ( comp == NULL || comp->_val == NULL || comp->complex_type != EXTCAP_ARG_INTEGER )
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return (gint)0;
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return (gint) g_ascii_strtoll(comp->_val, NULL, 10);
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}
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guint extcap_complex_get_uint(extcap_complex *comp) {
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if ( comp == NULL || comp->_val == NULL || comp->complex_type != EXTCAP_ARG_UNSIGNED )
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return (guint)0;
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return (guint) g_ascii_strtoull(comp->_val, NULL, 10);
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}
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gint64 extcap_complex_get_long(extcap_complex *comp) {
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if ( comp == NULL || comp->_val == NULL || comp->complex_type != EXTCAP_ARG_LONG )
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return (gint64)0;
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return g_ascii_strtoll( comp->_val, NULL, 10 );
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}
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gdouble extcap_complex_get_double(extcap_complex *comp) {
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if ( comp == NULL || comp->_val == NULL || comp->complex_type != EXTCAP_ARG_DOUBLE )
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return (gdouble)0;
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return g_strtod( comp->_val, NULL );
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}
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gboolean extcap_complex_get_bool(extcap_complex *comp) {
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if ( comp == NULL || comp->_val == NULL )
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return FALSE;
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if ( comp->complex_type != EXTCAP_ARG_BOOLEAN && comp->complex_type != EXTCAP_ARG_BOOLFLAG )
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return FALSE;
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return g_regex_match_simple(EXTCAP_BOOLEAN_REGEX, comp->_val, G_REGEX_CASELESS, (GRegexMatchFlags)0 );
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}
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gchar *extcap_complex_get_string(extcap_complex *comp) {
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/* Not checking for argument type, to use this method as fallback if only strings are needed */
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return comp != NULL ? comp->_val : NULL;
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}
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void extcap_free_tokenized_param(extcap_token_param *v) {
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if (v != NULL)
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{
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g_free(v->arg);
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g_free(v->value);
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}
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g_free(v);
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}
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void extcap_free_tokenized_sentence(extcap_token_sentence *s) {
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extcap_token_param *tv;
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if (s == NULL)
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return;
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if (s->sentence != NULL)
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g_free(s->sentence);
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while (s->param_list != NULL ) {
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tv = s->param_list;
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s->param_list = tv->next_token;
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extcap_free_tokenized_param(tv);
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}
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g_free(s);
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}
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void extcap_free_tokenized_sentence_list(extcap_token_sentence *f) {
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extcap_token_sentence *t;
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while (f != NULL ) {
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t = f->next_sentence;
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extcap_free_tokenized_sentence(f);
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f = t;
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}
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}
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extcap_token_sentence *extcap_tokenize_sentence(const gchar *s) {
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extcap_token_param *tv = NULL;
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GRegex * regex = NULL;
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GMatchInfo * match_info = NULL;
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GError * error = NULL;
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extcap_token_sentence *rs = g_new(extcap_token_sentence, 1);
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rs->sentence = NULL;
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rs->next_sentence = NULL;
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rs->param_list = NULL;
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/* Regex for catching just the allowed values for sentences */
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if ( ( regex = g_regex_new ( "^[\\t| ]*(arg|value|interface|extcap|dlt)(?=[\\t| ]+\\{)",
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(GRegexCompileFlags) G_REGEX_CASELESS, (GRegexMatchFlags) 0, NULL ) ) != NULL ) {
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g_regex_match ( regex, s, (GRegexMatchFlags) 0, &match_info );
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if ( g_match_info_matches ( match_info ) )
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rs->sentence = g_match_info_fetch(match_info, 0);
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g_match_info_free ( match_info );
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g_regex_unref ( regex );
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}
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/* No valid sentence found, exiting here */
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if ( rs->sentence == NULL ) {
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extcap_free_tokenized_sentence(rs);
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return NULL;
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}
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/* Capture the argument and the value of the list. This will ensure,
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* that regex patterns given to {validation=} are parsed correctly,
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* as long as }{ does not occur within the pattern */
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regex = g_regex_new ( "\\{([a-zA-Z_-]*?)\\=(.*?)\\}(?=\\{|$|\\s)",
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(GRegexCompileFlags) G_REGEX_CASELESS, (GRegexMatchFlags) 0, NULL );
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if ( regex != NULL ) {
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g_regex_match_full(regex, s, -1, 0, (GRegexMatchFlags) 0, &match_info, &error );
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while(g_match_info_matches(match_info)) {
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gchar * arg = g_match_info_fetch ( match_info, 1 );
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if ( arg == NULL )
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break;
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tv = g_new(extcap_token_param, 1);
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tv->arg = arg;
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tv->value = g_match_info_fetch ( match_info, 2 );
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if (g_ascii_strcasecmp(tv->arg, "number") == 0) {
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tv->param_type = EXTCAP_PARAM_ARGNUM;
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} else if (g_ascii_strcasecmp(tv->arg, "call") == 0) {
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tv->param_type = EXTCAP_PARAM_CALL;
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} else if (g_ascii_strcasecmp(tv->arg, "display") == 0) {
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tv->param_type = EXTCAP_PARAM_DISPLAY;
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} else if (g_ascii_strcasecmp(tv->arg, "type") == 0) {
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tv->param_type = EXTCAP_PARAM_TYPE;
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} else if (g_ascii_strcasecmp(tv->arg, "arg") == 0) {
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tv->param_type = EXTCAP_PARAM_ARG;
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} else if (g_ascii_strcasecmp(tv->arg, "default") == 0) {
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tv->param_type = EXTCAP_PARAM_DEFAULT;
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} else if (g_ascii_strcasecmp(tv->arg, "value") == 0) {
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tv->param_type = EXTCAP_PARAM_VALUE;
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} else if (g_ascii_strcasecmp(tv->arg, "range") == 0) {
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tv->param_type = EXTCAP_PARAM_RANGE;
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} else if (g_ascii_strcasecmp(tv->arg, "tooltip") == 0) {
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tv->param_type = EXTCAP_PARAM_TOOLTIP;
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} else if (g_ascii_strcasecmp(tv->arg, "mustexist") == 0) {
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tv->param_type = EXTCAP_PARAM_FILE_MUSTEXIST;
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} else if (g_ascii_strcasecmp(tv->arg, "fileext") == 0) {
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tv->param_type = EXTCAP_PARAM_FILE_EXTENSION;
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} else if (g_ascii_strcasecmp(tv->arg, "name") == 0) {
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tv->param_type = EXTCAP_PARAM_NAME;
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} else if (g_ascii_strcasecmp(tv->arg, "enabled") == 0) {
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tv->param_type = EXTCAP_PARAM_ENABLED;
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} else if (g_ascii_strcasecmp(tv->arg, "parent") == 0) {
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tv->param_type = EXTCAP_PARAM_PARENT;
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} else if (g_ascii_strcasecmp(tv->arg, "required") == 0) {
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tv->param_type = EXTCAP_PARAM_REQUIRED;
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} else if (g_ascii_strcasecmp(tv->arg, "save") == 0) {
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tv->param_type = EXTCAP_PARAM_SAVE;
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} else if (g_ascii_strcasecmp(tv->arg, "validation") == 0) {
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tv->param_type = EXTCAP_PARAM_VALIDATION;
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} else if (g_ascii_strcasecmp(tv->arg, "version") == 0) {
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tv->param_type = EXTCAP_PARAM_VERSION;
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} else {
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tv->param_type = EXTCAP_PARAM_UNKNOWN;
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}
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tv->next_token = rs->param_list;
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rs->param_list = tv;
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g_match_info_next(match_info, &error);
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}
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g_match_info_free(match_info);
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g_regex_unref(regex);
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}
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return rs;
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}
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extcap_token_sentence *extcap_tokenize_sentences(const gchar *s) {
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extcap_token_sentence *first = NULL, *cur = NULL, *last = NULL;
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gchar **list, **list_iter;
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list_iter = list = g_strsplit(s, "\n", 0);
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while (*list_iter != NULL ) {
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cur = extcap_tokenize_sentence(*list_iter);
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if (cur != NULL) {
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if (first == NULL) {
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first = cur;
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last = cur;
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} else {
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last->next_sentence = cur;
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last = cur;
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}
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}
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list_iter++;
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}
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g_strfreev(list);
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return first;
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}
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extcap_token_param *extcap_find_param_by_type(extcap_token_param *first,
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extcap_param_type t) {
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while (first != NULL ) {
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if (first->param_type == t) {
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return first;
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}
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first = first->next_token;
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}
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return NULL ;
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}
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void extcap_free_value(extcap_value *v) {
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if (v == NULL)
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return;
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g_free(v->call);
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g_free(v->display);
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g_free(v);
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}
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extcap_interface *extcap_new_interface(void) {
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extcap_interface *r = g_new(extcap_interface, 1);
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r->call = r->display = r->version = NULL;
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r->if_type = EXTCAP_SENTENCE_UNKNOWN;
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r->next_interface = NULL;
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return r;
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}
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void extcap_free_interface(extcap_interface *i) {
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extcap_interface *next_i = i;
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while (i) {
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next_i = i->next_interface;
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g_free(i->call);
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g_free(i->display);
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g_free(i->version);
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g_free(i);
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i = next_i;
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}
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}
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extcap_dlt *extcap_new_dlt(void) {
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extcap_dlt *r = g_new(extcap_dlt, 1);
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r->number = -1;
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r->name = r->display = NULL;
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r->next_dlt = NULL;
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return r;
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}
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void extcap_free_dlt(extcap_dlt *d) {
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if (d == NULL)
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return;
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g_free(d->name);
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g_free(d->display);
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}
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static void extcap_free_valuelist(gpointer data, gpointer user_data _U_) {
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extcap_free_value((extcap_value *) data);
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}
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void extcap_free_arg(extcap_arg *a) {
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if (a == NULL)
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return;
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g_free(a->call);
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g_free(a->display);
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g_free(a->tooltip);
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g_free(a->fileextension);
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g_free(a->regexp);
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g_free(a->storeval);
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if (a->range_start != NULL)
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extcap_free_complex(a->range_start);
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if (a->range_end != NULL)
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extcap_free_complex(a->range_end);
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if (a->default_complex != NULL)
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extcap_free_complex(a->default_complex);
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g_list_foreach(a->values, (GFunc) extcap_free_valuelist, NULL);
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}
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static void extcap_free_arg_list_cb(gpointer listentry, gpointer data _U_) {
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if (listentry != NULL)
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extcap_free_arg((extcap_arg *) listentry);
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}
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void extcap_free_arg_list(GList *a) {
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g_list_foreach(a, extcap_free_arg_list_cb, NULL);
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g_list_free(a);
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}
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static gint glist_find_numbered_arg(gconstpointer listelem, gconstpointer needle) {
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if (((const extcap_arg *) listelem)->arg_num == *((const int*) needle))
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return 0;
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return 1;
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}
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extcap_arg *extcap_parse_arg_sentence(GList * args, extcap_token_sentence *s) {
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extcap_token_param *v = NULL;
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extcap_arg *target_arg = NULL;
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extcap_value *value = NULL;
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GList * entry = NULL;
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int tint;
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extcap_sentence_type sent = EXTCAP_SENTENCE_UNKNOWN;
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if (s == NULL)
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return target_arg;
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if (g_ascii_strcasecmp(s->sentence, "arg") == 0) {
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sent = EXTCAP_SENTENCE_ARG;
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/* printf("ARG sentence\n"); */
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} else if (g_ascii_strcasecmp(s->sentence, "value") == 0) {
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sent = EXTCAP_SENTENCE_VALUE;
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/* printf("VALUE sentence\n"); */
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}
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if (sent == EXTCAP_SENTENCE_ARG) {
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target_arg = g_new0(extcap_arg, 1);
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target_arg->arg_type = EXTCAP_ARG_UNKNOWN;
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target_arg->save = TRUE;
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if ((v = extcap_find_param_by_type(s->param_list, EXTCAP_PARAM_ARGNUM))
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== NULL) {
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extcap_free_arg(target_arg);
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return NULL ;
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}
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if (sscanf(v->value, "%d", &(target_arg->arg_num)) != 1) {
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extcap_free_arg(target_arg);
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return NULL ;
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}
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if ((v = extcap_find_param_by_type(s->param_list, EXTCAP_PARAM_CALL))
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== NULL) {
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extcap_free_arg(target_arg);
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return NULL ;
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}
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target_arg->call = g_strdup(v->value);
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/* No value only parameters allowed */
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if (strlen(target_arg->call) == 0) {
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extcap_free_arg(target_arg);
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return NULL ;
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}
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if ((v = extcap_find_param_by_type(s->param_list, EXTCAP_PARAM_DISPLAY))
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== NULL) {
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extcap_free_arg(target_arg);
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return NULL ;
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}
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target_arg->display = g_strdup(v->value);
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if ((v = extcap_find_param_by_type(s->param_list, EXTCAP_PARAM_TOOLTIP))
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!= NULL) {
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target_arg->tooltip = g_strdup(v->value);
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}
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if ((v = extcap_find_param_by_type(s->param_list, EXTCAP_PARAM_FILE_MUSTEXIST))
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!= NULL) {
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target_arg->fileexists = g_regex_match_simple(EXTCAP_BOOLEAN_REGEX, v->value, G_REGEX_CASELESS, (GRegexMatchFlags)0 );
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}
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if ((v = extcap_find_param_by_type(s->param_list, EXTCAP_PARAM_FILE_EXTENSION))
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!= NULL) {
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target_arg->fileextension = g_strdup(v->value);
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}
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if ((v = extcap_find_param_by_type(s->param_list, EXTCAP_PARAM_VALIDATION))
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!= NULL) {
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target_arg->regexp = g_strdup(v->value);
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}
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|
|
if ((v = extcap_find_param_by_type(s->param_list, EXTCAP_PARAM_REQUIRED))
|
|
!= NULL) {
|
|
target_arg->is_required = g_regex_match_simple(EXTCAP_BOOLEAN_REGEX, v->value, G_REGEX_CASELESS, (GRegexMatchFlags)0 );
|
|
}
|
|
|
|
if ((v = extcap_find_param_by_type(s->param_list, EXTCAP_PARAM_TYPE))
|
|
== NULL) {
|
|
/* printf("no type in ARG sentence\n"); */
|
|
extcap_free_arg(target_arg);
|
|
return NULL ;
|
|
}
|
|
|
|
if (g_ascii_strcasecmp(v->value, "integer") == 0) {
|
|
target_arg->arg_type = EXTCAP_ARG_INTEGER;
|
|
} else if (g_ascii_strcasecmp(v->value, "unsigned") == 0) {
|
|
target_arg->arg_type = EXTCAP_ARG_UNSIGNED;
|
|
} else if (g_ascii_strcasecmp(v->value, "long") == 0) {
|
|
target_arg->arg_type = EXTCAP_ARG_LONG;
|
|
} else if (g_ascii_strcasecmp(v->value, "double") == 0) {
|
|
target_arg->arg_type = EXTCAP_ARG_DOUBLE;
|
|
} else if (g_ascii_strcasecmp(v->value, "boolean") == 0) {
|
|
target_arg->arg_type = EXTCAP_ARG_BOOLEAN;
|
|
} else if (g_ascii_strcasecmp(v->value, "boolflag") == 0) {
|
|
target_arg->arg_type = EXTCAP_ARG_BOOLFLAG;
|
|
} else if (g_ascii_strcasecmp(v->value, "selector") == 0) {
|
|
target_arg->arg_type = EXTCAP_ARG_SELECTOR;
|
|
} else if (g_ascii_strcasecmp(v->value, "radio") == 0) {
|
|
target_arg->arg_type = EXTCAP_ARG_RADIO;
|
|
} else if (g_ascii_strcasecmp(v->value, "string") == 0) {
|
|
target_arg->arg_type = EXTCAP_ARG_STRING;
|
|
} else if (g_ascii_strcasecmp(v->value, "password") == 0) {
|
|
target_arg->arg_type = EXTCAP_ARG_PASSWORD;
|
|
/* default setting is to not save passwords */
|
|
target_arg->save = FALSE;
|
|
} else if (g_ascii_strcasecmp(v->value, "fileselect") == 0) {
|
|
target_arg->arg_type = EXTCAP_ARG_FILESELECT;
|
|
} else if (g_ascii_strcasecmp(v->value, "multicheck") == 0) {
|
|
target_arg->arg_type = EXTCAP_ARG_MULTICHECK;
|
|
} else {
|
|
printf("invalid type %s in ARG sentence\n", v->value);
|
|
extcap_free_arg(target_arg);
|
|
return NULL ;
|
|
}
|
|
|
|
if ((v = extcap_find_param_by_type(s->param_list, EXTCAP_PARAM_SAVE))
|
|
!= NULL) {
|
|
target_arg->save = g_regex_match_simple(EXTCAP_BOOLEAN_REGEX, v->value, G_REGEX_CASELESS, (GRegexMatchFlags)0 );
|
|
}
|
|
|
|
if ((v = extcap_find_param_by_type(s->param_list, EXTCAP_PARAM_RANGE))
|
|
!= NULL) {
|
|
gchar *cp = g_strstr_len(v->value, -1, ",");
|
|
|
|
if (cp == NULL) {
|
|
printf("invalid range, expected value,value got %s\n",
|
|
v->value);
|
|
extcap_free_arg(target_arg);
|
|
return NULL ;
|
|
}
|
|
|
|
if ((target_arg->range_start = extcap_parse_complex(
|
|
target_arg->arg_type, v->value)) == NULL) {
|
|
printf("invalid range, expected value,value got %s\n",
|
|
v->value);
|
|
extcap_free_arg(target_arg);
|
|
return NULL ;
|
|
}
|
|
|
|
if ((target_arg->range_end = extcap_parse_complex(
|
|
target_arg->arg_type, cp + 1)) == NULL) {
|
|
printf("invalid range, expected value,value got %s\n",
|
|
v->value);
|
|
extcap_free_arg(target_arg);
|
|
return NULL ;
|
|
}
|
|
}
|
|
|
|
if ((v = extcap_find_param_by_type(s->param_list, EXTCAP_PARAM_DEFAULT))
|
|
!= NULL) {
|
|
if ( target_arg->arg_type != EXTCAP_ARG_MULTICHECK && target_arg->arg_type != EXTCAP_ARG_SELECTOR )
|
|
{
|
|
if ((target_arg->default_complex = extcap_parse_complex(
|
|
target_arg->arg_type, v->value)) == NULL) {
|
|
printf("invalid default, couldn't parse %s\n", v->value);
|
|
}
|
|
}
|
|
}
|
|
|
|
} else if (sent == EXTCAP_SENTENCE_VALUE) {
|
|
if ((v = extcap_find_param_by_type(s->param_list, EXTCAP_PARAM_ARG))
|
|
== NULL) {
|
|
printf("no arg in VALUE sentence\n");
|
|
return NULL ;
|
|
}
|
|
|
|
if (sscanf(v->value, "%d", &tint) != 1) {
|
|
printf("invalid arg in VALUE sentence\n");
|
|
return NULL ;
|
|
}
|
|
|
|
;
|
|
if ((entry = g_list_find_custom(args, &tint, glist_find_numbered_arg))
|
|
== NULL) {
|
|
printf("couldn't find arg %d in list for VALUE sentence\n", tint);
|
|
return NULL ;
|
|
}
|
|
|
|
value = g_new0(extcap_value, 1);
|
|
value->arg_num = tint;
|
|
|
|
if ((v = extcap_find_param_by_type(s->param_list, EXTCAP_PARAM_VALUE))
|
|
== NULL) {
|
|
/* printf("no value in VALUE sentence\n"); */
|
|
extcap_free_value(value);
|
|
return NULL ;
|
|
}
|
|
value->call = g_strdup(v->value);
|
|
|
|
if ((v = extcap_find_param_by_type(s->param_list, EXTCAP_PARAM_DISPLAY))
|
|
== NULL) {
|
|
/* printf("no display in VALUE sentence\n"); */
|
|
extcap_free_value(value);
|
|
return NULL ;
|
|
}
|
|
value->display = g_strdup(v->value);
|
|
|
|
if ((v = extcap_find_param_by_type(s->param_list, EXTCAP_PARAM_PARENT))
|
|
!= NULL) {
|
|
value->parent = g_strdup(v->value);
|
|
}
|
|
|
|
if ((v = extcap_find_param_by_type(s->param_list, EXTCAP_PARAM_DEFAULT))
|
|
!= NULL) {
|
|
/* printf("found default value\n"); */
|
|
value->is_default = g_regex_match_simple(EXTCAP_BOOLEAN_REGEX, v->value, G_REGEX_CASELESS, (GRegexMatchFlags)0 );
|
|
}
|
|
|
|
if ((v = extcap_find_param_by_type(s->param_list, EXTCAP_PARAM_ENABLED))
|
|
!= NULL) {
|
|
value->enabled = g_regex_match_simple(EXTCAP_BOOLEAN_REGEX, v->value, G_REGEX_CASELESS, (GRegexMatchFlags)0 );
|
|
}
|
|
|
|
((extcap_arg*) entry->data)->values = g_list_append(
|
|
((extcap_arg*) entry->data)->values, value);
|
|
|
|
return NULL ;
|
|
}
|
|
|
|
return target_arg;
|
|
}
|
|
|
|
GList * extcap_parse_args(extcap_token_sentence *first_s) {
|
|
GList * args = NULL;
|
|
|
|
while (first_s) {
|
|
extcap_arg *ra = NULL;
|
|
|
|
if ((ra = extcap_parse_arg_sentence(args, first_s)) != NULL)
|
|
args = g_list_append(args, (gpointer) ra);
|
|
|
|
first_s = first_s->next_sentence;
|
|
}
|
|
|
|
return args;
|
|
}
|
|
|
|
int extcap_parse_interface_sentence(extcap_token_sentence *s,
|
|
extcap_interface **ri) {
|
|
extcap_token_param *v = NULL;
|
|
extcap_sentence_type sent = EXTCAP_SENTENCE_UNKNOWN;
|
|
|
|
*ri = NULL;
|
|
|
|
if (s == NULL)
|
|
return -1;
|
|
|
|
if (g_ascii_strcasecmp(s->sentence, "interface") == 0) {
|
|
sent = EXTCAP_SENTENCE_INTERFACE;
|
|
} else if (g_ascii_strcasecmp(s->sentence, "extcap") == 0) {
|
|
sent = EXTCAP_SENTENCE_EXTCAP;
|
|
}
|
|
|
|
if (sent == EXTCAP_SENTENCE_UNKNOWN)
|
|
return -1;
|
|
|
|
*ri = extcap_new_interface();
|
|
|
|
(*ri)->if_type = sent;
|
|
|
|
if ((v = extcap_find_param_by_type(s->param_list, EXTCAP_PARAM_VALUE))
|
|
== NULL && sent == EXTCAP_SENTENCE_INTERFACE) {
|
|
printf("No value in INTERFACE sentence\n");
|
|
extcap_free_interface(*ri);
|
|
return -1;
|
|
}
|
|
if ( v != NULL )
|
|
(*ri)->call = g_strdup(v->value);
|
|
|
|
if ((v = extcap_find_param_by_type(s->param_list, EXTCAP_PARAM_DISPLAY))
|
|
== NULL && sent == EXTCAP_SENTENCE_INTERFACE) {
|
|
printf("No display in INTERFACE sentence\n");
|
|
extcap_free_interface(*ri);
|
|
return -1;
|
|
}
|
|
if ( v != NULL )
|
|
(*ri)->display = g_strdup(v->value);
|
|
|
|
if ((v = extcap_find_param_by_type(s->param_list, EXTCAP_PARAM_VERSION))
|
|
!= NULL) {
|
|
(*ri)->version = g_strdup(v->value);
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
int extcap_parse_interfaces(extcap_token_sentence *first_s,
|
|
extcap_interface **first_int) {
|
|
extcap_interface *first_i = NULL, *last_i = NULL;
|
|
|
|
while (first_s) {
|
|
extcap_interface *ri;
|
|
|
|
if (extcap_parse_interface_sentence(first_s, &ri) >= 0 && ri != NULL) {
|
|
if (first_i == NULL) {
|
|
first_i = last_i = ri;
|
|
} else {
|
|
last_i->next_interface = ri;
|
|
last_i = ri;
|
|
}
|
|
}
|
|
|
|
first_s = first_s->next_sentence;
|
|
}
|
|
|
|
*first_int = first_i;
|
|
|
|
return 1;
|
|
}
|
|
|
|
int extcap_parse_dlt_sentence(extcap_token_sentence *s, extcap_dlt **rd) {
|
|
extcap_token_param *v = NULL;
|
|
extcap_sentence_type sent = EXTCAP_SENTENCE_UNKNOWN;
|
|
|
|
*rd = NULL;
|
|
|
|
if (s == NULL)
|
|
return -1;
|
|
|
|
if (g_ascii_strcasecmp(s->sentence, "dlt") == 0) {
|
|
sent = EXTCAP_SENTENCE_DLT;
|
|
}
|
|
|
|
if (sent == EXTCAP_SENTENCE_UNKNOWN)
|
|
return -1;
|
|
|
|
*rd = extcap_new_dlt();
|
|
|
|
if ((v = extcap_find_param_by_type(s->param_list, EXTCAP_PARAM_ARGNUM))
|
|
== NULL) {
|
|
printf("No number in DLT sentence\n");
|
|
extcap_free_dlt(*rd);
|
|
return -1;
|
|
}
|
|
if (sscanf(v->value, "%d", &((*rd)->number)) != 1) {
|
|
printf("Invalid number in DLT sentence\n");
|
|
extcap_free_dlt(*rd);
|
|
return -1;
|
|
}
|
|
|
|
if ((v = extcap_find_param_by_type(s->param_list, EXTCAP_PARAM_NAME))
|
|
== NULL) {
|
|
printf("No name in DLT sentence\n");
|
|
extcap_free_dlt(*rd);
|
|
return -1;
|
|
}
|
|
(*rd)->name = g_strdup(v->value);
|
|
|
|
if ((v = extcap_find_param_by_type(s->param_list, EXTCAP_PARAM_DISPLAY))
|
|
== NULL) {
|
|
printf("No display in DLT sentence\n");
|
|
extcap_free_dlt(*rd);
|
|
return -1;
|
|
}
|
|
(*rd)->display = g_strdup(v->value);
|
|
|
|
return 1;
|
|
}
|
|
|
|
int extcap_parse_dlts(extcap_token_sentence *first_s, extcap_dlt **first_dlt) {
|
|
extcap_dlt *first_d = NULL, *last_d = NULL;
|
|
|
|
while (first_s) {
|
|
extcap_dlt *rd;
|
|
|
|
if (extcap_parse_dlt_sentence(first_s, &rd) >= 0 && rd != NULL) {
|
|
if (first_d == NULL) {
|
|
first_d = last_d = rd;
|
|
} else {
|
|
last_d->next_dlt = rd;
|
|
last_d = rd;
|
|
}
|
|
}
|
|
|
|
first_s = first_s->next_sentence;
|
|
}
|
|
|
|
*first_dlt = first_d;
|
|
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* Editor modelines - http://www.wireshark.org/tools/modelines.html
|
|
*
|
|
* Local variables:
|
|
* c-basic-offset: 4
|
|
* tab-width: 8
|
|
* indent-tabs-mode: nil
|
|
* End:
|
|
*
|
|
* vi: set shiftwidth=4 tabstop=8 expandtab:
|
|
* :indentSize=4:tabSize=8:noTabs=true:
|
|
*/
|