*
* (c) 2007, Luis E. Garcia Ontanon <luis@ontanon.org>
*
- * $Id$
- *
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* 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.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
+#include "config.h"
#include <glib.h>
#include <stdio.h>
#include <string.h>
-#include <ctype.h>
-#include "emem.h"
+#include <wsutil/report_err.h>
+
+#include "wmem/wmem.h"
#include "uat.h"
#include "prefs.h"
#include "proto.h"
#include "packet.h"
-#include "report_err.h"
-#include "filesystem.h"
+#include "wsutil/filesystem.h"
#include "dissectors/packet-ber.h"
#ifdef HAVE_LIBSMI
#include <smi.h>
+
+static gboolean oids_init_done = FALSE;
+static gboolean load_smi_modules = FALSE;
+static gboolean suppress_smi_errors = FALSE;
#endif
#define D(level,args) do if (debuglevel >= level) { printf args; printf("\n"); fflush(stdout); } while(0)
static int debuglevel = 0;
+/*
+ * From SNMPv2-SMI and X.690
+ *
+ * Counter32 ::= [APPLICATION 1] IMPLICIT INTEGER (0..4294967295)
+ * Gauge32 ::= [APPLICATION 2] IMPLICIT INTEGER (0..4294967295)
+ * Unsigned32 ::= [APPLICATION 2] IMPLICIT INTEGER (0..4294967295) (alias of Gauge32)
+ * TimeTicks ::= [APPLICATION 3] IMPLICIT INTEGER (0..4294967295)
+ *
+ * If the BER encoding should not have the top bit set as to not become a negative number
+ * the BER encoding may take 5 octets to encode.
+ */
+
+#ifdef HAVE_LIBSMI
static const oid_value_type_t integer_type = { FT_INT32, BASE_DEC, BER_CLASS_UNI, BER_UNI_TAG_INTEGER, 1, 4, OID_KEY_TYPE_INTEGER, 1};
static const oid_value_type_t bytes_type = { FT_BYTES, BASE_NONE, BER_CLASS_UNI, BER_UNI_TAG_OCTETSTRING, 0, -1, OID_KEY_TYPE_BYTES, 0};
static const oid_value_type_t oid_type = { FT_OID, BASE_NONE, BER_CLASS_UNI, BER_UNI_TAG_OID, 1, -1, OID_KEY_TYPE_OID, 0};
static const oid_value_type_t ipv4_type = { FT_IPv4, BASE_NONE, BER_CLASS_APP, 0, 4, 4, OID_KEY_TYPE_IPADDR, 4};
static const oid_value_type_t counter32_type = { FT_UINT64, BASE_DEC, BER_CLASS_APP, 1, 1, 5, OID_KEY_TYPE_INTEGER, 1};
-static const oid_value_type_t unsigned32_type = { FT_UINT32, BASE_DEC, BER_CLASS_APP, 2, 1, 4, OID_KEY_TYPE_INTEGER, 1};
-/*static const oid_value_type_t timeticks_type = { FT_UINT32, BASE_DEC, BER_CLASS_APP, 3, 1, 4, OID_KEY_TYPE_INTEGER, 1};
- * TimeTicks ::= [APPLICATION 3] IMPLICIT INTEGER (0..4294967295)
- * If the BER encoding should not have the top bit set as to not become a negative number
- * the ber encoding may take 5 octets to encode.
- */
+static const oid_value_type_t unsigned32_type = { FT_UINT64, BASE_DEC, BER_CLASS_APP, 2, 1, 5, OID_KEY_TYPE_INTEGER, 1};
static const oid_value_type_t timeticks_type = { FT_UINT64, BASE_DEC, BER_CLASS_APP, 3, 1, 5, OID_KEY_TYPE_INTEGER, 1};
+#if 0
static const oid_value_type_t opaque_type = { FT_BYTES, BASE_NONE, BER_CLASS_APP, 4, 1, 4, OID_KEY_TYPE_BYTES, 0};
+#endif
static const oid_value_type_t nsap_type = { FT_BYTES, BASE_NONE, BER_CLASS_APP, 5, 0, -1, OID_KEY_TYPE_NSAP, 0};
static const oid_value_type_t counter64_type = { FT_UINT64, BASE_DEC, BER_CLASS_APP, 6, 1, 8, OID_KEY_TYPE_INTEGER, 1};
static const oid_value_type_t ipv6_type = { FT_IPv6, BASE_NONE, BER_CLASS_UNI, BER_UNI_TAG_OCTETSTRING, 16, 16, OID_KEY_TYPE_BYTES, 16};
static const oid_value_type_t double_type = { FT_DOUBLE, BASE_DEC, BER_CLASS_UNI, BER_UNI_TAG_OCTETSTRING, 8, 8, OID_KEY_TYPE_WRONG, 0};
static const oid_value_type_t ether_type = { FT_ETHER, BASE_NONE, BER_CLASS_UNI, BER_UNI_TAG_OCTETSTRING, 6, 6, OID_KEY_TYPE_ETHER, 6};
static const oid_value_type_t string_type = { FT_STRING, BASE_NONE, BER_CLASS_UNI, BER_UNI_TAG_OCTETSTRING, 0, -1, OID_KEY_TYPE_STRING, 0};
+static const oid_value_type_t date_and_time_type = { FT_STRING, BASE_NONE, BER_CLASS_UNI, BER_UNI_TAG_OCTETSTRING, 8, 11, OID_KEY_TYPE_DATE_AND_TIME, 0};
+#endif /* HAVE_LIBSMI */
+
static const oid_value_type_t unknown_type = { FT_BYTES, BASE_NONE, BER_CLASS_ANY, BER_TAG_ANY, 0, -1, OID_KEY_TYPE_WRONG, 0};
static oid_info_t oid_root = { 0, NULL, OID_KIND_UNKNOWN, NULL, &unknown_type, -2, NULL, NULL, NULL};
-static oid_info_t* add_oid(const char* name, oid_kind_t kind, const oid_value_type_t* type, oid_key_t* key, guint oid_len, guint32 *subids) {
- guint i = 0;
- oid_info_t* c = &oid_root;
-
+static void prepopulate_oids(void) {
if (!oid_root.children) {
char* debug_env = getenv("WIRESHARK_DEBUG_MIBS");
guint32 subid;
- debuglevel = debug_env ? strtoul(debug_env,NULL,10) : 0;
+ debuglevel = debug_env ? (int)strtoul(debug_env,NULL,10) : 0;
- oid_root.children = pe_tree_create(EMEM_TREE_TYPE_RED_BLACK,"oid_root");
+ oid_root.children = wmem_tree_new(wmem_epan_scope());
/*
* make sure we got strings at least in the three root-children oids
subid = 1; oid_add("iso",1,&subid);
subid = 2; oid_add("joint-iso-itu-t",1,&subid);
}
+}
+
+
+static oid_info_t* add_oid(const char* name, oid_kind_t kind, const oid_value_type_t* type, oid_key_t* key, guint oid_len, guint32 *subids) {
+ guint i = 0;
+ oid_info_t* c = &oid_root;
+
+ prepopulate_oids();
oid_len--;
do {
- oid_info_t* n = emem_tree_lookup32(c->children,subids[i]);
+ oid_info_t* n = (oid_info_t *)wmem_tree_lookup32(c->children,subids[i]);
if(n) {
if (i == oid_len) {
if (!g_str_equal(n->name,name)) {
D(2,("Renaming Oid from: %s -> %s, this means the same oid is registered more than once",n->name,name));
}
- /* XXX - Don't free n->name here. It may be part of an hf_register_info
- * struct that has been appended to the hfa GArray. */
+ wmem_free(wmem_epan_scope(), n->name);
}
- n->name = g_strdup(name);
+ n->name = wmem_strdup(wmem_epan_scope(), name);
if (! n->value_type) {
n->value_type = type;
return n;
}
} else {
- n = g_malloc(sizeof(oid_info_t));
+ n = wmem_new(wmem_epan_scope(), oid_info_t);
n->subid = subids[i];
n->kind = kind;
- n->children = pe_tree_create(EMEM_TREE_TYPE_RED_BLACK,"oid_children");
+ n->children = wmem_tree_new(wmem_epan_scope());
n->value_hfid = -2;
n->key = key;
n->parent = c;
n->bits = NULL;
- emem_tree_insert32(c->children,n->subid,n);
+ wmem_tree_insert32(c->children,n->subid,n);
if (i == oid_len) {
- n->name = g_strdup(name);
+ n->name = wmem_strdup(wmem_epan_scope(), name);
n->value_type = type;
n->kind = kind;
return n;
void oid_add(const char* name, guint oid_len, guint32 *subids) {
g_assert(subids && *subids <= 2);
if (oid_len) {
- D(3,("\tOid (from subids): %s %s ",name?name:"NULL", oid_subid2string(subids,oid_len)));
+ gchar* sub = oid_subid2string(NULL, subids,oid_len);
+ D(3,("\tOid (from subids): %s %s ",name?name:"NULL", sub));
add_oid(name,OID_KIND_UNKNOWN,NULL,NULL,oid_len,subids);
+ wmem_free(NULL, sub);
} else {
D(1,("Failed to add Oid: %s (from subids)",name?name:"NULL"));
}
void oid_add_from_string(const char* name, const gchar *oid_str) {
guint32* subids;
- guint oid_len = oid_string2subid(oid_str, &subids);
+ guint oid_len = oid_string2subid(NULL, oid_str, &subids);
if (oid_len) {
- D(3,("\tOid (from string): %s %s ",name?name:"NULL", oid_subid2string(subids,oid_len)));
+ gchar* sub = oid_subid2string(NULL, subids,oid_len);
+ D(3,("\tOid (from string): %s %s ",name?name:"NULL", sub));
add_oid(name,OID_KIND_UNKNOWN,NULL,NULL,oid_len,subids);
+ wmem_free(NULL, sub);
} else {
D(1,("Failed to add Oid: %s %s ",name?name:"NULL", oid_str?oid_str:NULL));
}
+ wmem_free(NULL, subids);
}
extern void oid_add_from_encoded(const char* name, const guint8 *oid, gint oid_len) {
- guint32* subids;
- guint subids_len = oid_encoded2subid(oid, oid_len, &subids);
+ guint32* subids = NULL;
+ guint subids_len = oid_encoded2subid(NULL, oid, oid_len, &subids);
if (subids_len) {
- D(3,("\tOid (from encoded): %s %s ",name, oid_subid2string(subids,subids_len)));
+ gchar* sub = oid_subid2string(NULL, subids,subids_len);
+ D(3,("\tOid (from encoded): %s %s ",name, sub));
add_oid(name,OID_KIND_UNKNOWN,NULL,NULL,subids_len,subids);
+ wmem_free(NULL, sub);
} else {
- D(1,("Failed to add Oid: %s [%d]%s ",name?name:"NULL", oid_len,bytestring_to_str(oid, oid_len, ':')));
+ gchar* bytestr = bytestring_to_str(NULL, oid, oid_len, ':');
+ D(1,("Failed to add Oid: %s [%d]%s ",name?name:"NULL", oid_len, bytestr));
+ wmem_free(NULL, bytestr);
}
+ wmem_free(NULL, subids);
}
#ifdef HAVE_LIBSMI
static GString* smi_errors;
-UAT_CSTRING_CB_DEF(smi_mod,name,smi_module_t)
+UAT_DIRECTORYNAME_CB_DEF(smi_mod,name,smi_module_t)
static void smi_error_handler(char *path, int line, int severity, char *msg, char *tag) {
g_string_append_printf(smi_errors,"%s:%d %d %s %s\n",
}
-static void* smi_mod_copy_cb(void* dest, const void* orig, unsigned len _U_) {
- const smi_module_t* m = orig;
- smi_module_t* d = dest;
+static void* smi_mod_copy_cb(void* dest, const void* orig, size_t len _U_) {
+ const smi_module_t* m = (const smi_module_t*)orig;
+ smi_module_t* d = (smi_module_t*)dest;
d->name = g_strdup(m->name);
}
static void smi_mod_free_cb(void* p) {
- smi_module_t* m = p;
+ smi_module_t* m = (smi_module_t*)p;
g_free(m->name);
}
char c;
for (;(c = *r); r++) {
- if (isalnum(c) || c == '_' || c == '-' || c == '.') {
+ if (g_ascii_isalnum(c) || c == '_' || c == '-' || c == '.') {
*(w++) = c;
} else if (c == ':' && r[1] == ':') {
*(w++) = '.';
* SNMP Types and our FT_s
*/
static const struct _type_mapping_t {
- char* name;
+ const char* name;
SmiBasetype base;
const oid_value_type_t* type;
} types[] = {
{"TimeStamp",SMI_BASETYPE_UNKNOWN,&timeticks_type},
{"DisplayString",SMI_BASETYPE_UNKNOWN,&string_type},
{"SnmpAdminString",SMI_BASETYPE_UNKNOWN,&string_type},
- {"DateAndTime",SMI_BASETYPE_UNKNOWN,&string_type},
+ {"DateAndTime",SMI_BASETYPE_UNKNOWN,&date_and_time_type},
{"Counter",SMI_BASETYPE_UNKNOWN,&counter32_type},
{"Counter32",SMI_BASETYPE_UNKNOWN,&counter32_type},
{"Unsigned32",SMI_BASETYPE_UNKNOWN,&unsigned32_type},
{"enum",SMI_BASETYPE_ENUM,&integer_type},
{"bits",SMI_BASETYPE_BITS,&bytes_type},
{"unk",SMI_BASETYPE_UNKNOWN,&unknown_type},
- {NULL,0,NULL}
+ {NULL,SMI_BASETYPE_UNKNOWN,NULL} /* SMI_BASETYPE_UNKNOWN = 0 */
};
const struct _type_mapping_t* t;
SmiType* sT = smiType;
for (sR = smiGetFirstRange(sT); sR ; sR = smiGetNextRange(sR)) {
if (size == 0xffffffff) {
if (sR->minValue.value.unsigned32 == sR->maxValue.value.unsigned32) {
- size = sR->minValue.value.unsigned32;
+ size = (guint32)sR->minValue.value.unsigned32;
} else {
return 0;
}
typedata = get_typedata(elType);
- k = g_malloc(sizeof(oid_key_t));
+ k = g_new(oid_key_t,1);
oid1 = smiRenderOID(sN->oidlen, sN->oid, SMI_RENDER_QUALIFIED);
oid2 = smiRenderOID(elNode->oidlen, elNode->oid, SMI_RENDER_NAME);
|| (ft == FT_INT8) || (ft == FT_INT16) || (ft == FT_INT24) || (ft == FT_INT32) \
|| (ft == FT_UINT64) || (ft == FT_INT64) )
+static void unregister_mibs(void) {
+ /* TODO: Unregister "MIBs" proto and clean up field array and subtree array.
+ * Wireshark does not support that yet. :-( */
+
+ /* smiExit(); */
+}
+
+static void restart_needed_warning(void) {
+ if (oids_init_done)
+ report_failure("Wireshark needs to be restarted for these changes to take effect");
+}
+
static void register_mibs(void) {
SmiModule *smiModule;
SmiNode *smiNode;
guint i;
int proto_mibs = -1;
- GArray* hfa = g_array_new(FALSE,TRUE,sizeof(hf_register_info));
- GArray* etta = g_array_new(FALSE,TRUE,sizeof(gint*));
- static uat_field_t smi_fields[] = {
- UAT_FLD_CSTRING(smi_mod,name,"Module name","The module's name"),
- UAT_END_FIELDS
- };
- static uat_field_t smi_paths_fields[] = {
- UAT_FLD_PATHNAME(smi_mod,name,"Directory path","The directory name"),
- UAT_END_FIELDS
- };
- char* smi_load_error = NULL;
+ wmem_array_t* hfa;
+ GArray* etta;
gchar* path_str;
- smi_modules_uat = uat_new("SMI Modules",
- sizeof(smi_module_t),
- "smi_modules",
- FALSE,
- (void*)&smi_modules,
- &num_smi_modules,
- UAT_CAT_GENERAL,
- "ChSNMPSMIModules",
- smi_mod_copy_cb,
- NULL,
- smi_mod_free_cb,
- smi_fields);
-
- smi_paths_uat = uat_new("SMI Paths",
- sizeof(smi_module_t),
- "smi_paths",
- FALSE,
- (void*)&smi_paths,
- &num_smi_paths,
- UAT_CAT_GENERAL,
- "ChSNMPSMIPaths",
- smi_mod_copy_cb,
- NULL,
- smi_mod_free_cb,
- smi_paths_fields);
-
-
- smiInit(NULL);
-
- uat_load(smi_modules_uat, &smi_load_error);
-
- if (smi_load_error) {
- report_failure("Error Loading SMI Modules Table: %s",smi_load_error);
+ if (!load_smi_modules) {
+ D(1,("OID resolution not enabled"));
return;
}
- uat_load(smi_paths_uat, &smi_load_error);
-
- if (smi_load_error) {
- report_failure("Error Loading SMI Paths Table: %s",smi_load_error);
+ /* TODO: Remove this workaround when unregistration of "MIBs" proto is solved.
+ * Wireshark does not support that yet. :-( */
+ if (oids_init_done) {
+ D(1,("Exiting register_mibs() to avoid double registration of MIBs proto."));
return;
+ } else {
+ oids_init_done = TRUE;
}
+ hfa = wmem_array_new(wmem_epan_scope(), sizeof(hf_register_info));
+ etta = g_array_new(FALSE,TRUE,sizeof(gint*));
+
+ smiInit(NULL);
+
smi_errors = g_string_new("");
smiSetErrorHandler(smi_error_handler);
} else {
char* mod_name = smiLoadModule(smi_modules[i].name);
if (mod_name)
- D(2,("Loaded: '%s'[%d] as %s",smi_modules[i].name,i,mod_name ));
+ D(2,("Loaded: '%s'[%u] as %s",smi_modules[i].name,i,mod_name ));
else
- D(1,("Failed to load: '%s'[%d]",smi_modules[i].name,i));
+ D(1,("Failed to load: '%s'[%u]",smi_modules[i].name,i));
}
}
if (smi_errors->len) {
- report_failure("The following errors were found while loading the MIBS:\n%s\n\n"
- "The Current Path is: %s\n" , smi_errors->str , path_str);
+ if (!suppress_smi_errors) {
+ report_failure("The following errors were found while loading the MIBS:\n%s\n\n"
+ "The Current Path is: %s\n\nYou can avoid this error message "
+ "by removing the missing MIB modules at Edit -> Preferences"
+ " -> Name Resolution -> SMI (MIB and PIB) modules or by "
+ "installing them.\n" , smi_errors->str , path_str);
+ }
D(1,("Errors while loading:\n%s\n",smi_errors->str));
}
D(3,("\tModule: %s", smiModule->name));
+ /* TODO: Check libsmi version at compile time and disable this
+ * workaround for libsmi versions where this problem is fixed.
+ * Currently there is no such version. :-(
+ */
+ if (smiModule->conformance == 1) {
+ if (!suppress_smi_errors) {
+ report_failure("Stopped processing module %s due to "
+ "error(s) to prevent potential crash in libsmi.\n"
+ "Module's conformance level: %d.\n"
+ "See details at: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=560325\n",
+ smiModule->name, smiModule->conformance);
+ }
+ continue;
+ }
for (smiNode = smiGetFirstNode(smiModule, SMI_NODEKIND_ANY);
smiNode;
smiNode = smiGetNextNode(smiNode, SMI_NODEKIND_ANY)) {
const oid_value_type_t* typedata = get_typedata(smiType);
oid_key_t* key;
oid_kind_t kind = smikind(smiNode,&key);
+ char *sub;
char *oid = smiRenderOID(smiNode->oidlen, smiNode->oid, SMI_RENDER_QUALIFIED);
oid_info_t* oid_data = add_oid(oid,
kind,
smiNode->oid);
smi_free (oid);
+ sub = oid_subid2string(NULL, smiNode->oid, smiNode->oidlen);
D(4,("\t\tNode: kind=%d oid=%s name=%s ",
- oid_data->kind, oid_subid2string(smiNode->oid, smiNode->oidlen), oid_data->name ));
+ oid_data->kind, sub, oid_data->name));
+ wmem_free(NULL, sub);
if ( typedata && oid_data->value_hfid == -2 ) {
SmiNamedNumber* smiEnum;
- hf_register_info hf = { &(oid_data->value_hfid), {
- oid_data->name,
- alnumerize(oid_data->name),
- typedata->ft_type,
- typedata->display,
- NULL,
- 0,
- smiRenderOID(smiNode->oidlen, smiNode->oid, SMI_RENDER_ALL),
- HFILL }};
+ hf_register_info hf;
+
+ hf.p_id = &(oid_data->value_hfid);
+ hf.hfinfo.name = g_strdup(oid_data->name);
+ hf.hfinfo.abbrev = alnumerize(oid_data->name);
+ hf.hfinfo.type = typedata->ft_type;
+ hf.hfinfo.display = typedata->display;
+ hf.hfinfo.strings = NULL;
+ hf.hfinfo.bitmask = 0;
+ hf.hfinfo.blurb = smiRenderOID(smiNode->oidlen, smiNode->oid, SMI_RENDER_ALL);
+ /* HFILL */
+ HFILL_INIT(hf);
/* Don't allow duplicate blurb/name */
if (strcmp(hf.hfinfo.blurb, hf.hfinfo.name) == 0) {
for(;smiEnum; smiEnum = smiGetNextNamedNumber(smiEnum)) {
if (smiEnum->name) {
- value_string val = {smiEnum->value.value.integer32,g_strdup(smiEnum->name)};
+ value_string val;
+ val.value = (guint32)smiEnum->value.value.integer32;
+ val.strptr = g_strdup(smiEnum->name);
g_array_append_val(vals,val);
}
}
- hf.hfinfo.strings = VALS(vals->data);
+ hf.hfinfo.strings = vals->data;
g_array_free(vals,FALSE);
}
#if 0 /* packet-snmp does not handle bits yet */
g_array_append_val(hfa,hf2);
}
#endif /* packet-snmp does not use this yet */
- g_array_append_val(hfa,hf);
+ wmem_array_append_one(hfa,hf);
}
if ((key = oid_data->key)) {
for(; key; key = key->next) {
- hf_register_info hf = { &(key->hfid), {
- key->name,
- alnumerize(key->name),
- key->ft_type,
- key->display,
- NULL,
- 0,
- NULL,
- HFILL }};
-
- D(5,("\t\t\tIndex: name=%s subids=%d key_type=%d",
+ hf_register_info hf;
+
+ hf.p_id = &(key->hfid);
+ hf.hfinfo.name = key->name;
+ hf.hfinfo.abbrev = alnumerize(key->name);
+ hf.hfinfo.type = key->ft_type;
+ hf.hfinfo.display = key->display;
+ hf.hfinfo.strings = NULL;
+ hf.hfinfo.bitmask = 0;
+ hf.hfinfo.blurb = NULL;
+ /* HFILL */
+ HFILL_INIT(hf);
+
+ D(5,("\t\t\tIndex: name=%s subids=%u key_type=%d",
key->name, key->num_subids, key->key_type ));
if (key->hfid == -2) {
- g_array_append_val(hfa,hf);
+ wmem_array_append_one(hfa,hf);
key->hfid = -1;
} else {
g_free((void*)hf.hfinfo.abbrev);
proto_mibs = proto_register_protocol("MIBs", "MIBS", "mibs");
- proto_register_field_array(proto_mibs, (hf_register_info*)hfa->data, hfa->len);
-
- proto_register_subtree_array((gint**)etta->data, etta->len);
+ proto_register_field_array(proto_mibs, (hf_register_info*)wmem_array_get_raw(hfa), wmem_array_get_count(hfa));
+ proto_register_subtree_array((gint**)(void*)etta->data, etta->len);
g_array_free(etta,TRUE);
- g_array_free(hfa,FALSE);
}
#endif
+void oid_pref_init(module_t *nameres)
+{
+#ifdef HAVE_LIBSMI
+ static uat_field_t smi_fields[] = {
+ UAT_FLD_CSTRING(smi_mod,name,"Module name","The module's name"),
+ UAT_END_FIELDS
+ };
+ static uat_field_t smi_paths_fields[] = {
+ UAT_FLD_DIRECTORYNAME(smi_mod,name,"Directory path","The directory name"),
+ UAT_END_FIELDS
+ };
+
+ prefs_register_bool_preference(nameres, "load_smi_modules",
+ "Enable OID resolution",
+ "You must restart Wireshark for this change to take effect",
+ &load_smi_modules);
+
+ prefs_register_bool_preference(nameres, "suppress_smi_errors",
+ "Suppress SMI errors",
+ "Some errors can be ignored. If unsure, set to false.",
+ &suppress_smi_errors);
+
+ smi_paths_uat = uat_new("SMI Paths",
+ sizeof(smi_module_t),
+ "smi_paths",
+ FALSE,
+ (void**)&smi_paths,
+ &num_smi_paths,
+ /* affects dissection of packets (as the MIBs and PIBs affect the
+ interpretation of e.g. SNMP variable bindings), but not set of
+ named fields
+
+ XXX - if named fields are generated from the MIBs and PIBs
+ for particular variable bindings, this *does* affect the set
+ of named fields! */
+ UAT_AFFECTS_DISSECTION,
+ "ChSNMPSMIPaths",
+ smi_mod_copy_cb,
+ NULL,
+ smi_mod_free_cb,
+ restart_needed_warning,
+ smi_paths_fields);
+
+ prefs_register_uat_preference(nameres,
+ "smi_paths",
+ "SMI (MIB and PIB) paths",
+ "Search paths for SMI (MIB and PIB) modules. You must\n"
+ "restart Wireshark for these changes to take effect.",
+ smi_paths_uat);
+
+ smi_modules_uat = uat_new("SMI Modules",
+ sizeof(smi_module_t),
+ "smi_modules",
+ FALSE,
+ (void**)&smi_modules,
+ &num_smi_modules,
+ /* affects dissection of packets (as the MIBs and PIBs affect the
+ interpretation of e.g. SNMP variable bindings), but not set of
+ named fields
+
+ XXX - if named fields are generated from the MIBs and PIBs
+ for particular variable bindings, would this affect the set
+ of named fields? */
+ UAT_AFFECTS_DISSECTION,
+ "ChSNMPSMIModules",
+ smi_mod_copy_cb,
+ NULL,
+ smi_mod_free_cb,
+ restart_needed_warning,
+ smi_fields);
+
+ prefs_register_uat_preference(nameres,
+ "smi_modules",
+ "SMI (MIB and PIB) modules",
+ "List of enabled SMI (MIB and PIB) modules. You must\n"
+ "restart Wireshark for these changes to take effect.",
+ smi_modules_uat);
+
+#else
+ prefs_register_static_text_preference(nameres, "load_smi_modules_static",
+ "Enable OID resolution: N/A",
+ "Support for OID resolution was not compiled into this version of Wireshark");
+
+ prefs_register_static_text_preference(nameres, "suppress_smi_errors_static",
+ "Suppress SMI errors: N/A",
+ "Support for OID resolution was not compiled into this version of Wireshark");
+
+ prefs_register_static_text_preference(nameres, "smi_module_path",
+ "SMI (MIB and PIB) modules and paths: N/A",
+ "Support for OID resolution was not compiled into this version of Wireshark");
+#endif
+}
void oids_init(void) {
+ prepopulate_oids();
#ifdef HAVE_LIBSMI
register_mibs();
#else
#endif
}
-const char* oid_subid2string(guint32* subids, guint len) {
- char* s = ep_alloc0(((len)*11)+1);
- char* w = s;
+void oids_cleanup(void) {
+#ifdef HAVE_LIBSMI
+ unregister_mibs();
+#else
+ D(1,("libsmi disabled oid resolution not enabled"));
+#endif
+}
+
+char* oid_subid2string(wmem_allocator_t *scope, guint32* subids, guint len) {
+ return rel_oid_subid2string(scope, subids, len, TRUE);
+}
+char* rel_oid_subid2string(wmem_allocator_t *scope, guint32* subids, guint len, gboolean is_absolute) {
+ char *s, *w;
+
+ if(!subids || len == 0)
+ return wmem_strdup(scope, "*** Empty OID ***");
+
+ s = (char *)wmem_alloc0(scope, ((len)*11)+2);
+ w = s;
- if(!subids)
- return "*** Empty OID ***";
+ if (!is_absolute)
+ *w++ = '.';
do {
w += g_snprintf(w,12,"%u.",*subids++);
return s;
}
-guint check_num_oid(const char* str) {
+static guint check_num_oid(const char* str) {
const char* r = str;
- char c = '\0';
+ char c = '.';
guint n = 0;
D(8,("check_num_oid: '%s'",str));
- if (*r == '.' || *r == '\0') return 0;
+ if (!r) return 0;
do {
- D(9,("\tcheck_num_oid: '%c' %d",*r,n));
+ D(9,("\tcheck_num_oid: '%c' %u",*r,n));
switch(*r) {
- case '.':
+ case '.': case '\0':
n++;
if (c == '.') return 0;
+ break;
case '1' : case '2' : case '3' : case '4' : case '5' :
case '6' : case '7' : case '8' : case '9' : case '0' :
continue;
- case '\0':
- n++;
- break;
default:
return 0;
}
} while((c = *r++));
- if (c == '.') return 0;
-
return n;
}
-guint oid_string2subid(const char* str, guint32** subids_p) {
+guint oid_string2subid(wmem_allocator_t *scope, const char* str, guint32** subids_p) {
const char* r = str;
guint32* subids;
guint32* subids_overflow;
return 0;
}
- *subids_p = subids = ep_alloc0(sizeof(guint32)*n);
+ *subids_p = subids = wmem_alloc0_array(scope, guint32, n);
subids_overflow = subids + n;
do switch(*r) {
case '.':
}
-guint oid_encoded2subid(const guint8 *oid_bytes, gint oid_len, guint32** subids_p) {
+guint oid_encoded2subid(wmem_allocator_t *scope, const guint8 *oid_bytes, gint oid_len, guint32** subids_p) {
+ return oid_encoded2subid_sub(scope, oid_bytes, oid_len, subids_p, TRUE);
+}
+guint oid_encoded2subid_sub(wmem_allocator_t *scope, const guint8 *oid_bytes, gint oid_len, guint32** subids_p,
+ gboolean is_first) {
gint i;
- guint n = 1;
- gboolean is_first = TRUE;
+ guint n = is_first ? 1 : 0;
guint32* subids;
guint32* subid_overflow;
/*
for (i=0; i<oid_len; i++) { if (! (oid_bytes[i] & 0x80 )) n++; }
- *subids_p = subids = ep_alloc(sizeof(guint32)*n);
+ *subids_p = subids = (guint32 *)wmem_alloc(scope, sizeof(guint32)*n);
subid_overflow = subids+n;
+ /* If n is 0 or 1 (depending on how it was initialized) then we found
+ * no bytes in the OID with first bit cleared, so initialize our one
+ * byte (if any) to zero and return. This *seems* to be the right thing
+ * to do in this situation, and at the very least it avoids
+ * uninitialized memory errors that would otherwise occur. */
+ if (is_first && n == 1) {
+ *subids = 0;
+ return n;
+ }
+ else if (!is_first && n == 0) {
+ return n;
+ }
+
for (i=0; i<oid_len; i++){
guint8 byte = oid_bytes[i];
}
if( subids >= subid_overflow || subid > 0xffffffff) {
- *subids_p=NULL;
+ /* scope may be NULL in which case we must free our
+ * useless buffer before returning */
+ wmem_free(scope, *subids_p);
+ *subids_p = NULL;
return 0;
}
subid = 0;
}
+ g_assert(subids == subid_overflow);
+
return n;
}
}
for( i=0; i < len; i++) {
- oid_info_t* next_oid = emem_tree_lookup32(curr_oid->children,subids[i]);
+ oid_info_t* next_oid = (oid_info_t *)wmem_tree_lookup32(curr_oid->children,subids[i]);
if (next_oid) {
curr_oid = next_oid;
} else {
}
-oid_info_t* oid_get_from_encoded(const guint8 *bytes, gint byteslen, guint32** subids_p, guint* matched_p, guint* left_p) {
- guint subids_len = oid_encoded2subid(bytes, byteslen, subids_p);
+oid_info_t* oid_get_from_encoded(wmem_allocator_t *scope, const guint8 *bytes, gint byteslen, guint32** subids_p, guint* matched_p, guint* left_p) {
+ guint subids_len = oid_encoded2subid(scope, bytes, byteslen, subids_p);
return oid_get(subids_len, *subids_p, matched_p, left_p);
}
-oid_info_t* oid_get_from_string(const gchar *oid_str, guint32** subids_p, guint* matched, guint* left) {
- guint subids_len = oid_string2subid(oid_str, subids_p);
+oid_info_t* oid_get_from_string(wmem_allocator_t *scope, const gchar *oid_str, guint32** subids_p, guint* matched, guint* left) {
+ guint subids_len = oid_string2subid(scope, oid_str, subids_p);
return oid_get(subids_len, *subids_p, matched, left);
}
-const gchar *oid_resolved_from_encoded(const guint8 *oid, gint oid_len) {
- guint32 *subid_oid;
- guint subid_oid_length = oid_encoded2subid(oid, oid_len, &subid_oid);
+gchar *oid_resolved_from_encoded(wmem_allocator_t *scope, const guint8 *oid, gint oid_len) {
+ guint32 *subid_oid = NULL;
+ gchar * ret;
+ guint subid_oid_length = oid_encoded2subid(NULL, oid, oid_len, &subid_oid);
+
+ ret = oid_resolved(scope, subid_oid_length, subid_oid);
+ wmem_free(NULL, subid_oid);
+ return ret;
+}
+
+gchar *rel_oid_resolved_from_encoded(wmem_allocator_t *scope, const guint8 *oid, gint oid_len) {
+ guint32 *subid_oid = NULL;
+ gchar* ret;
+ guint subid_oid_length = oid_encoded2subid_sub(NULL, oid, oid_len, &subid_oid, FALSE);
- return oid_resolved(subid_oid_length, subid_oid);
+ ret = rel_oid_subid2string(scope, subid_oid, subid_oid_length, FALSE);
+ wmem_free(NULL, subid_oid);
+ return ret;
}
-guint oid_subid2encoded(guint subids_len, guint32* subids, guint8** bytes_p) {
+guint oid_subid2encoded(wmem_allocator_t *scope, guint subids_len, guint32* subids, guint8** bytes_p) {
guint bytelen = 0;
guint i;
guint32 subid;
guint8* b;
- if ( !subids || subids_len <= 0) {
+ if ( !subids || subids_len <= 1) {
*bytes_p = NULL;
return 0;
}
- subid = (subids[0] * 40) + subids[1];
- i = 2;
-
- do {
+ for (subid=subids[0] * 40, i = 1; i<subids_len; i++, subid=0) {
+ subid += subids[i];
if (subid <= 0x0000007F) {
bytelen += 1;
} else if (subid <= 0x00003FFF ) {
} else {
bytelen += 5;
}
+ }
- subid = subids[i];
- } while ( i++ < subids_len );
-
- *bytes_p = b = ep_alloc(bytelen);
-
- subid = (subids[0] * 40) + subids[1];
- i = 2;
+ *bytes_p = b = (guint8 *)wmem_alloc(scope, bytelen);
- do {
+ for (subid=subids[0] * 40, i = 1; i<subids_len; i++, subid=0) {
guint len;
+ subid += subids[i];
if ((subid <= 0x0000007F )) len = 1;
else if ((subid <= 0x00003FFF )) len = 2;
else if ((subid <= 0x001FFFFF )) len = 3;
switch(len) {
default: *bytes_p=NULL; return 0;
- case 5: *(b++) = ((subid & 0xF0000000) << 28) | 0x80;
- case 4: *(b++) = ((subid & 0x0FE00000 ) >> 21) | 0x80;
- case 3: *(b++) = ((subid & 0x001FC000 ) >> 14) | 0x80;
- case 2: *(b++) = ((subid & 0x00003F10 ) >> 7) | 0x80;
- case 1: *(b++) = subid & 0x0000007F ; break;
+ case 5: *(b++) = ((subid & 0xF0000000) >> 28) | 0x80;
+ case 4: *(b++) = ((subid & 0x0FE00000) >> 21) | 0x80;
+ case 3: *(b++) = ((subid & 0x001FC000) >> 14) | 0x80;
+ case 2: *(b++) = ((subid & 0x00003F80) >> 7) | 0x80;
+ case 1: *(b++) = subid & 0x0000007F ; break;
}
-
- subid = subids[i];
- } while ( i++ < subids_len);
+ }
return bytelen;
}
-const gchar* oid_encoded2string(const guint8* encoded, guint len) {
- guint32* subids;
- guint subids_len = oid_encoded2subid(encoded, len, &subids);
+gchar* oid_encoded2string(wmem_allocator_t *scope, const guint8* encoded, guint len) {
+ guint32* subids = NULL;
+ gchar* ret;
+ guint subids_len = oid_encoded2subid(NULL, encoded, len, &subids);
if (subids_len) {
- return oid_subid2string(subids,subids_len);
+ ret = oid_subid2string(scope, subids,subids_len);
} else {
- return "";
+ ret = wmem_strdup(scope, "");
}
+
+ wmem_free(NULL, subids);
+ return ret;
}
+gchar* rel_oid_encoded2string(wmem_allocator_t *scope, const guint8* encoded, guint len) {
+ guint32* subids = NULL;
+ gchar* ret;
+ guint subids_len = oid_encoded2subid_sub(NULL, encoded, len, &subids, FALSE);
+
+ if (subids_len) {
+ ret = rel_oid_subid2string(scope, subids,subids_len, FALSE);
+ } else {
+ ret = wmem_strdup(scope, "");
+ }
+ wmem_free(NULL, subids);
+ return ret;
+}
-guint oid_string2encoded(const char *oid_str, guint8 **bytes) {
+guint oid_string2encoded(wmem_allocator_t *scope, const char *oid_str, guint8 **bytes) {
guint32* subids;
guint32 subids_len;
guint byteslen;
- if ( ( subids_len = oid_string2subid(oid_str, &subids) )
- &&
- ( byteslen = oid_subid2encoded(subids_len, subids, bytes) ) ) {
- return byteslen;
- }
+ if ( (subids_len = oid_string2subid(NULL, oid_str, &subids)) &&
+ (byteslen = oid_subid2encoded(scope, subids_len, subids, bytes)) ) {
+ wmem_free(NULL, subids);
+ return byteslen;
+ }
+ wmem_free(NULL, subids);
return 0;
}
-char* oid2str(oid_info_t* oid, guint32* subids, guint len, guint left) {
- if (left == 0) {
- return oid->name;
- } else {
- return ep_strdup_printf("%s.%s",oid->name,oid_subid2string(subids+(len-left),left));
- }
-}
+gchar *oid_resolved_from_string(wmem_allocator_t *scope, const gchar *oid_str) {
+ guint32 *subid_oid;
+ guint subid_oid_length;
+ gchar *resolved;
-const gchar *oid_resolved_from_string(const gchar *oid_str) {
- guint32 *subid_oid;
- guint subid_oid_length = oid_string2subid(oid_str, &subid_oid);
+ subid_oid_length = oid_string2subid(NULL, oid_str, &subid_oid);
+ resolved = oid_resolved(scope, subid_oid_length, subid_oid);
- return oid_resolved(subid_oid_length, subid_oid);
+ wmem_free(NULL, subid_oid);
+
+ return resolved;
}
-const gchar *oid_resolved(guint32 num_subids, guint32* subids) {
+gchar *oid_resolved(wmem_allocator_t *scope, guint32 num_subids, guint32* subids) {
guint matched;
guint left;
oid_info_t* oid;
if(! (subids && *subids <= 2 ))
- return "*** Malformed OID ***";
+ return wmem_strdup(scope, "*** Malformed OID ***");
oid = oid_get(num_subids, subids, &matched, &left);
while (! oid->name ) {
if (!(oid = oid->parent)) {
- return oid_subid2string(subids,num_subids);
+ return oid_subid2string(scope, subids,num_subids);
}
left++;
matched--;
}
if (left) {
- return ep_strdup_printf("%s.%s",
- oid->name ? oid->name : oid_subid2string(subids,matched),
- oid_subid2string(&(subids[matched]),left));
+ gchar *ret,
+ *str1 = oid_subid2string(NULL, subids,matched),
+ *str2 = oid_subid2string(NULL, &(subids[matched]),left);
+
+ ret = wmem_strdup_printf(scope, "%s.%s", oid->name ? oid->name : str1, str2);
+ wmem_free(NULL, str1);
+ wmem_free(NULL, str2);
+ return ret;
} else {
- return oid->name ? oid->name : oid_subid2string(subids,matched);
+ return oid->name ? wmem_strdup(scope, oid->name) : oid_subid2string(scope, subids,matched);
}
}
-extern void oid_both(guint oid_len, guint32 *subids, char** resolved_p, char** numeric_p) {
- *resolved_p = (void*)oid_resolved(oid_len,subids);
- *numeric_p = (void*)oid_subid2string(subids,oid_len);
+extern void oid_both(wmem_allocator_t *scope, guint oid_len, guint32 *subids, gchar** resolved_p, gchar** numeric_p) {
+ *resolved_p = oid_resolved(scope, oid_len,subids);
+ *numeric_p = oid_subid2string(scope, subids,oid_len);
}
-extern void oid_both_from_encoded(const guint8 *oid, gint oid_len, char** resolved_p, char** numeric_p) {
- guint32* subids;
- guint subids_len = oid_encoded2subid(oid, oid_len, &subids);
- *resolved_p = (void*)oid_resolved(subids_len,subids);
- *numeric_p = (void*)oid_subid2string(subids,subids_len);
+extern void oid_both_from_encoded(wmem_allocator_t *scope, const guint8 *oid, gint oid_len, gchar** resolved_p, gchar** numeric_p) {
+ guint32* subids = NULL;
+ guint subids_len = oid_encoded2subid(NULL, oid, oid_len, &subids);
+ *resolved_p = oid_resolved(scope, subids_len,subids);
+ *numeric_p = oid_subid2string(scope, subids,subids_len);
+ wmem_free(NULL, subids);
}
-extern void oid_both_from_string(const gchar *oid_str, char** resolved_p, char** numeric_p) {
- guint32* subids;
- guint subids_len = oid_string2subid(oid_str, &subids);
- *resolved_p = (void*)oid_resolved(subids_len,subids);
- *numeric_p = (void*)oid_subid2string(subids,subids_len);
+void oid_both_from_string(wmem_allocator_t *scope, const gchar *oid_str, gchar** resolved_p, gchar** numeric_p) {
+ guint32 *subids;
+ guint subids_len;
+
+ subids_len = oid_string2subid(NULL, oid_str, &subids);
+ *resolved_p = oid_resolved(scope, subids_len,subids);
+ *numeric_p = oid_subid2string(scope, subids,subids_len);
+ wmem_free(NULL, subids);
}
/**
oid_get_default_mib_path(void) {
#ifdef HAVE_LIBSMI
GString* path_str;
- gchar *path_ret;
char *path;
guint i;
path_str = g_string_new("");
+
+ if (!load_smi_modules) {
+ D(1,("OID resolution not enabled"));
+ return path_str->str;
+ }
#ifdef _WIN32
#define PATH_SEPARATOR ";"
path = get_datafile_path("snmp\\mibs");
g_string_append_printf(path_str, "%s;", path);
g_free (path);
- path = get_persconffile_path("snmp\\mibs", FALSE, FALSE);
+ path = get_persconffile_path("snmp\\mibs", FALSE);
g_string_append_printf(path_str, "%s", path);
g_free (path);
#else
#define PATH_SEPARATOR ":"
path = smiGetPath();
-#ifdef __APPLE__
g_string_append(path_str, "/usr/share/snmp/mibs");
if (strlen(path) > 0 ) {
g_string_append(path_str, PATH_SEPARATOR);
}
-#endif
g_string_append_printf(path_str, "%s", path);
- free (path);
+ smi_free(path);
#endif
for(i=0;i<num_smi_paths;i++) {
g_string_append_printf(path_str,PATH_SEPARATOR "%s",smi_paths[i].name);
}
- path_ret = path_str->str;
- g_string_free(path_str, FALSE);
- return path_ret;
+ return g_string_free(path_str, FALSE);
#else /* HAVE_LIBSMI */
return g_strdup("");
#endif
#ifdef DEBUG_OIDS
char* oid_test_a2b(guint32 num_subids, guint32* subids) {
- guint8* sub2enc;
- guint8* str2enc;
- guint32* enc2sub;
+ guint8* sub2enc = NULL;
+ guint8* str2enc = NULL;
+ guint32* enc2sub = NULL;
guint32* str2sub;
- const char* sub2str = oid_subid2string(subids, num_subids);
- guint sub2enc_len = oid_subid2encoded(num_subids, subids,&sub2enc);
- guint enc2sub_len = oid_encoded2subid(sub2enc, sub2enc_len, &enc2sub);
- const char* enc2str = oid_encoded2string(sub2enc, sub2enc_len);
- guint str2enc_len = oid_string2encoded(sub2str,&str2enc);
+ char* ret;
+ char* sub2str = oid_subid2string(NULL, subids, num_subids);
+ guint sub2enc_len = oid_subid2encoded(NULL, num_subids, subids,&sub2enc);
+ guint enc2sub_len = oid_encoded2subid(NULL, sub2enc, sub2enc_len, &enc2sub);
+ char* enc2str = oid_encoded2string(NULL, sub2enc, sub2enc_len);
+ guint str2enc_len = oid_string2encoded(NULL, sub2str,&str2enc);
guint str2sub_len = oid_string2subid(sub2str,&str2sub);
- return ep_strdup_printf(
+ ret = wmem_strdup_printf(wmem_packet_scope(),
"oid_subid2string=%s \n"
"oid_subid2encoded=[%d]%s \n"
"oid_encoded2subid=%s \n "
"oid_string2encoded=[%d]%s \n"
"oid_string2subid=%s \n "
,sub2str
- ,sub2enc_len,bytestring_to_str(sub2enc, sub2enc_len, ':')
- ,enc2sub ? oid_subid2string(enc2sub,enc2sub_len) : "-"
+ ,sub2enc_len,bytestring_to_str(wmem_packet_scope(), sub2enc, sub2enc_len, ':')
+ ,enc2sub ? oid_subid2string(wmem_packet_scope(), enc2sub,enc2sub_len) : "-"
,enc2str
- ,str2enc_len,bytestring_to_str(str2enc, str2enc_len, ':')
- ,str2sub ? oid_subid2string(str2sub,str2sub_len) : "-"
+ ,str2enc_len,bytestring_to_str(wmem_packet_scope(), str2enc, str2enc_len, ':')
+ ,str2sub ? oid_subid2string(wmem_packet_scope(), str2sub,str2sub_len) : "-"
);
+
+ wmem_free(NULL, sub2str);
+ wmem_free(NULL, enc2sub);
+ wmem_free(NULL, sub2enc);
+ wmem_free(NULL, str2enc);
+ wmem_free(NULL, enc2str);
+ return ret;
}
void add_oid_debug_subtree(oid_info_t* oid_info, proto_tree *tree) {
static const char* key_types[] = {"OID_KEY_TYPE_WRONG","OID_KEY_TYPE_INTEGER",
"OID_KEY_TYPE_FIXED_STRING","OID_KEY_TYPE_FIXED_BYTES","OID_KEY_TYPE_STRING",
"OID_KEY_TYPE_BYTES","OID_KEY_TYPE_NSAP","OID_KEY_TYPE_OID","OID_KEY_TYPE_IPADDR"};
- proto_item* pi = proto_tree_add_text(tree,NULL,0,0,
+ proto_item* pi = proto_tree_add_debug_text(tree,NULL,0,0,
"OidInfo: Name='%s' sub-id=%u kind=%s hfid=%d",
oid_info->name ? oid_info->name : "",
oid_info->subid,
oid_key_t* key;
for(key = oid_info->key; key; key = key->next) {
- proto_tree_add_text(pt,NULL,0,0,
+ proto_tree_add_debug_text(pt,NULL,0,0,
"Key: name='%s' num_subids=%d type=%s",
key->name,
key->key_type <= OID_KEY_TYPE_IPADDR ? key_types[key->key_type] : "BROKEN"
};
if (oid_info->parent) {
- pi = proto_tree_add_text(pt,NULL,0,0,"Parent:");
+ pi = proto_tree_add_debug_text(pt,NULL,0,0,"Parent:");
pt = proto_item_add_subtree(pi,0);
add_oid_debug_subtree(oid_info->parent, pt);
}
* indent-tabs-mode: t
* End:
*
- * ex: set shiftwidth=8 tabstop=8 noexpandtab
+ * ex: set shiftwidth=8 tabstop=8 noexpandtab:
* :indentSize=8:tabSize=8:noTabs=false:
*/
-
git.samba.org / metze / wireshark / wip.git / blobdiff