2 * Copyright (c) 2005-2006 The FreeBSD Project
5 * Author: Shteryana Shopova <syrinx@FreeBSD.org>
7 * Redistribution of this software and documentation and use in source and
8 * binary forms, with or without modification, are permitted provided that
9 * the following conditions are met:
11 * 1. Redistributions of source code or documentation must retain the above
12 * copyright notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * Helper functions for snmp client tools
34 #include <sys/param.h>
35 #include <sys/queue.h>
49 #include <bsnmp/asn1.h>
50 #include <bsnmp/snmp.h>
51 #include <bsnmp/snmpclient.h>
53 #include "bsnmptools.h"
55 /* Internal varibale to turn on library debugging for testing and to
56 * find bugs. It is not exported via the header file.
57 * XXX should we cover it by some #ifdef BSNMPTOOLS_DEBUG? */
58 int _bsnmptools_debug = 0;
60 /* Default files to import mapping from if none explicitly provided. */
61 #define bsnmpd_defs "/usr/share/snmp/defs/tree.def"
62 #define mibII_defs "/usr/share/snmp/defs/mibII_tree.def"
65 * The .iso.org.dod oid that has to be prepended to every OID when requesting
68 const struct asn_oid IsoOrgDod_OID = {
73 #define SNMP_ERR_UNKNOWN 0
76 * An array of error strings corresponding to error definitions from libbsnmp.
82 { "Unknown", SNMP_ERR_UNKNOWN },
83 { "Too big ", SNMP_ERR_TOOBIG },
84 { "No such Name", SNMP_ERR_NOSUCHNAME },
85 { "Bad Value", SNMP_ERR_BADVALUE },
86 { "Readonly", SNMP_ERR_READONLY },
87 { "General error", SNMP_ERR_GENERR },
88 { "No access", SNMP_ERR_NO_ACCESS },
89 { "Wrong type", SNMP_ERR_WRONG_TYPE },
90 { "Wrong length", SNMP_ERR_WRONG_LENGTH },
91 { "Wrong encoding", SNMP_ERR_WRONG_ENCODING },
92 { "Wrong value", SNMP_ERR_WRONG_VALUE },
93 { "No creation", SNMP_ERR_NO_CREATION },
94 { "Inconsistent value", SNMP_ERR_INCONS_VALUE },
95 { "Resource unavailable", SNMP_ERR_RES_UNAVAIL },
96 { "Commit failed", SNMP_ERR_COMMIT_FAILED },
97 { "Undo failed", SNMP_ERR_UNDO_FAILED },
98 { "Authorization error", SNMP_ERR_AUTH_ERR },
99 { "Not writable", SNMP_ERR_NOT_WRITEABLE },
100 { "Inconsistent name", SNMP_ERR_INCONS_NAME },
104 /* This one and any following are exceptions. */
105 #define SNMP_SYNTAX_UNKNOWN SNMP_SYNTAX_NOSUCHOBJECT
107 static const struct {
109 enum snmp_syntax stx;
110 } syntax_strings[] = {
111 { "Null", SNMP_SYNTAX_NULL },
112 { "Integer", SNMP_SYNTAX_INTEGER },
113 { "OctetString", SNMP_SYNTAX_OCTETSTRING },
114 { "OID", SNMP_SYNTAX_OID },
115 { "IpAddress", SNMP_SYNTAX_IPADDRESS },
116 { "Counter32", SNMP_SYNTAX_COUNTER },
117 { "Gauge", SNMP_SYNTAX_GAUGE },
118 { "TimeTicks", SNMP_SYNTAX_TIMETICKS },
119 { "Counter64", SNMP_SYNTAX_COUNTER64 },
120 { "Unknown", SNMP_SYNTAX_UNKNOWN },
124 snmptool_init(struct snmp_toolinfo *snmptoolctx)
129 memset(snmptoolctx, 0, sizeof(struct snmp_toolinfo));
130 snmptoolctx->objects = 0;
131 snmptoolctx->mappings = NULL;
132 snmptoolctx->flags = SNMP_PDU_GET; /* XXX */
133 SLIST_INIT(&snmptoolctx->filelist);
134 snmp_client_init(&snmp_client);
135 SET_MAXREP(snmptoolctx, SNMP_MAX_REPETITIONS);
137 if (add_filename(snmptoolctx, bsnmpd_defs, &IsoOrgDod_OID, 0) < 0)
138 warnx("Error adding file %s to list", bsnmpd_defs);
140 if (add_filename(snmptoolctx, mibII_defs, &IsoOrgDod_OID, 0) < 0)
141 warnx("Error adding file %s to list", mibII_defs);
143 /* Read the environment */
144 if ((str = getenv("SNMPAUTH")) != NULL) {
146 if (slen == strlen("md5") && strcasecmp(str, "md5") == 0)
147 snmp_client.user.auth_proto = SNMP_AUTH_HMAC_MD5;
148 else if (slen == strlen("sha")&& strcasecmp(str, "sha") == 0)
149 snmp_client.user.auth_proto = SNMP_AUTH_HMAC_SHA;
151 warnx("Bad authentication type - %s in SNMPAUTH", str);
154 if ((str = getenv("SNMPPRIV")) != NULL) {
156 if (slen == strlen("des") && strcasecmp(str, "des") == 0)
157 snmp_client.user.priv_proto = SNMP_PRIV_DES;
158 else if (slen == strlen("aes")&& strcasecmp(str, "aes") == 0)
159 snmp_client.user.priv_proto = SNMP_PRIV_AES;
161 warnx("Bad privacy type - %s in SNMPPRIV", str);
164 if ((str = getenv("SNMPUSER")) != NULL) {
165 if ((slen = strlen(str)) > sizeof(snmp_client.user.sec_name)) {
166 warnx("Username too long - %s in SNMPUSER", str);
170 strlcpy(snmp_client.user.sec_name, str,
171 sizeof(snmp_client.user.sec_name));
172 snmp_client.version = SNMP_V3;
176 if ((str = getenv("SNMPPASSWD")) != NULL) {
177 if ((slen = strlen(str)) > MAXSTR)
179 if ((snmptoolctx->passwd = malloc(slen + 1)) == NULL) {
180 warn("malloc() failed");
184 strlcpy(snmptoolctx->passwd, str, slen + 1);
190 #define OBJECT_IDX_LIST(o) o->info->table_idx->index_list
193 * Walk through the file list and import string<->oid mappings from each file.
196 snmp_import_all(struct snmp_toolinfo *snmptoolctx)
201 if (snmptoolctx == NULL)
204 if (ISSET_NUMERIC(snmptoolctx))
207 if ((snmptoolctx->mappings = snmp_mapping_init()) == NULL)
211 if (SLIST_EMPTY(&snmptoolctx->filelist)) {
212 warnx("No files to read OID <-> string conversions from");
215 SLIST_FOREACH(tmp, &snmptoolctx->filelist, link) {
218 if (snmp_import_file(snmptoolctx, tmp) < 0) {
226 snmp_mapping_dump(snmptoolctx);
231 * Add a filename to the file list - the initial idea of keeping a list with all
232 * files to read OIDs from was that an application might want to have loaded in
233 * memory the OIDs from a single file only and when done with them read the OIDs
234 * from another file. This is not used yet but might be a good idea at some
235 * point. Size argument is number of bytes in string including trailing '\0',
239 add_filename(struct snmp_toolinfo *snmptoolctx, const char *filename,
240 const struct asn_oid *cut, int32_t done)
245 if (snmptoolctx == NULL)
248 /* Make sure file was not in list. */
249 SLIST_FOREACH(entry, &snmptoolctx->filelist, link) {
250 if (strncmp(entry->name, filename, strlen(entry->name)) == 0)
254 if ((fstring = strdup(filename)) == NULL) {
255 warn("strdup() failed");
259 if ((entry = calloc(1, sizeof(struct fname))) == NULL) {
260 warn("calloc() failed");
266 asn_append_oid(&(entry->cut), cut);
267 entry->name = fstring;
269 SLIST_INSERT_HEAD(&snmptoolctx->filelist, entry, link);
275 free_filelist(struct snmp_toolinfo *snmptoolctx)
279 if (snmptoolctx == NULL)
280 return; /* XXX error handling */
282 while ((f = SLIST_FIRST(&snmptoolctx->filelist)) != NULL) {
283 SLIST_REMOVE_HEAD(&snmptoolctx->filelist, link);
291 isvalid_fchar(char c, int pos)
293 if (isalpha(c)|| c == '/'|| c == '_' || c == '.' || c == '~' ||
294 (pos != 0 && isdigit(c))){
301 if (!isascii(c) || !isprint(c))
302 warnx("Unexpected character %#2x", (u_int) c);
304 warnx("Illegal character '%c'", c);
310 * Re-implement getsubopt from scratch, because the second argument is broken
311 * and will not compile with WARNS=5.
312 * Copied from src/contrib/bsnmp/snmpd/main.c.
315 getsubopt1(char **arg, const char *const *options, char **valp, char **optp)
317 static const char *const delim = ",\t ";
323 /* Skip leading junk. */
324 for (ptr = *arg; *ptr != '\0'; ptr++)
325 if (strchr(delim, *ptr) == NULL)
333 /* Find the end of the option. */
334 while (*++ptr != '\0')
335 if (strchr(delim, *ptr) != NULL || *ptr == '=')
342 while (*ptr != '\0' && strchr(delim, *ptr) == NULL)
352 for (i = 0; *options != NULL; options++, i++)
353 if (strcmp(*optp, *options) == 0)
359 parse_path(char *value)
366 for (len = 0; len < MAXPATHLEN; len++) {
367 i = isvalid_fchar(*(value + len), len) ;
375 if (len >= MAXPATHLEN || value[len] != '\0') {
376 warnx("Bad pathname - '%s'", value);
384 parse_flist(struct snmp_toolinfo *snmptoolctx, char *value, char *path,
385 const struct asn_oid *cut)
388 char filename[MAXPATHLEN + 1];
394 memset(filename, 0, MAXPATHLEN + 1);
396 if (isalpha(*value) && (path == NULL || path[0] == '\0')) {
397 strlcpy(filename, SNMP_DEFS_DIR, MAXPATHLEN + 1);
398 namelen = strlen(SNMP_DEFS_DIR);
399 } else if (path != NULL){
400 strlcpy(filename, path, MAXPATHLEN + 1);
401 namelen = strlen(path);
405 for ( ; namelen < MAXPATHLEN; value++) {
406 if (isvalid_fchar(*value, namelen) > 0) {
407 filename[namelen++] = *value;
413 else if (*value == '\0')
416 if (!isascii(*value) || !isprint(*value))
417 warnx("Unexpected character %#2x in"
418 " filename", (u_int) *value);
420 warnx("Illegal character '%c' in"
421 " filename", *value);
425 filename[namelen]='\0';
429 if ((namelen == MAXPATHLEN) && (filename[MAXPATHLEN] != '\0')) {
430 warnx("Filename %s too long", filename);
434 if (add_filename(snmptoolctx, filename, cut, 0) < 0) {
435 warnx("Error adding file %s to list", filename);
438 } while (*value != '\0');
444 parse_ascii(char *ascii, uint8_t *binstr, size_t binlen)
448 int32_t alen, i, saved_errno;
451 /* Filter 0x at the beginning */
452 if ((alen = strlen(ascii)) > 2 && ascii[0] == '0' && ascii[1] == 'x')
459 for (count = 0; i < alen; i += 2) {
460 /* XXX: consider strlen(ascii) % 2 != 0 */
462 dptr[1] = ascii[i + 1];
464 if ((val = strtoul(dptr, NULL, 16)) > 0xFF || errno != 0) {
468 binstr[count] = (uint8_t) val;
469 if (++count >= binlen) {
470 warnx("Key %s too long - truncating to %zu octets",
480 * Functions to parse common input options for client tools and fill in the
481 * snmp_client structure.
484 parse_authentication(struct snmp_toolinfo *snmptoolctx __unused, char *opt_arg)
486 int32_t count, subopt;
488 const char *const subopts[] = {
494 assert(opt_arg != NULL);
496 while ((subopt = getsubopt1(&opt_arg, subopts, &val, &option)) != EOF) {
500 warnx("Suboption 'proto' requires an argument");
503 if (strlen(val) != 3) {
504 warnx("Unknown auth protocol - %s", val);
507 if (strncasecmp("md5", val, strlen("md5")) == 0)
508 snmp_client.user.auth_proto =
510 else if (strncasecmp("sha", val, strlen("sha")) == 0)
511 snmp_client.user.auth_proto =
514 warnx("Unknown auth protocol - %s", val);
520 warnx("Suboption 'key' requires an argument");
523 if (parse_ascii(val, snmp_client.user.auth_key,
524 SNMP_AUTH_KEY_SIZ) < 0) {
525 warnx("Bad authentication key- %s", val);
530 warnx("Unknown suboption - '%s'", suboptarg);
535 return (2/* count */);
539 parse_privacy(struct snmp_toolinfo *snmptoolctx __unused, char *opt_arg)
541 int32_t count, subopt;
543 const char *const subopts[] = {
549 assert(opt_arg != NULL);
551 while ((subopt = getsubopt1(&opt_arg, subopts, &val, &option)) != EOF) {
555 warnx("Suboption 'proto' requires an argument");
558 if (strlen(val) != 3) {
559 warnx("Unknown privacy protocol - %s", val);
562 if (strncasecmp("aes", val, strlen("aes")) == 0)
563 snmp_client.user.priv_proto = SNMP_PRIV_AES;
564 else if (strncasecmp("des", val, strlen("des")) == 0)
565 snmp_client.user.priv_proto = SNMP_PRIV_DES;
567 warnx("Unknown privacy protocol - %s", val);
573 warnx("Suboption 'key' requires an argument");
576 if (parse_ascii(val, snmp_client.user.priv_key,
577 SNMP_PRIV_KEY_SIZ) < 0) {
578 warnx("Bad privacy key- %s", val);
583 warnx("Unknown suboption - '%s'", suboptarg);
588 return (2/* count */);
592 parse_context(struct snmp_toolinfo *snmptoolctx __unused, char *opt_arg)
594 int32_t count, subopt;
596 const char *const subopts[] = {
602 assert(opt_arg != NULL);
604 while ((subopt = getsubopt1(&opt_arg, subopts, &val, &option)) != EOF) {
608 warnx("Suboption 'context' - no argument");
611 strlcpy(snmp_client.cname, val, SNMP_CONTEXT_NAME_SIZ);
615 warnx("Suboption 'context-engine' - no argument");
618 if ((int32_t)(snmp_client.clen = parse_ascii(val,
619 snmp_client.cengine, SNMP_ENGINE_ID_SIZ)) == -1) {
620 warnx("Bad EngineID - %s", val);
625 warnx("Unknown suboption - '%s'", suboptarg);
630 return (2/* count */);
634 parse_user_security(struct snmp_toolinfo *snmptoolctx __unused, char *opt_arg)
636 int32_t count, subopt, saved_errno;
638 const char *const subopts[] = {
646 assert(opt_arg != NULL);
648 while ((subopt = getsubopt1(&opt_arg, subopts, &val, &option)) != EOF) {
652 warnx("Suboption 'engine' - no argument");
655 snmp_client.engine.engine_len = parse_ascii(val,
656 snmp_client.engine.engine_id, SNMP_ENGINE_ID_SIZ);
657 if ((int32_t)snmp_client.engine.engine_len == -1) {
658 warnx("Bad EngineID - %s", val);
664 warnx("Suboption 'engine-boots' - no argument");
669 snmp_client.engine.engine_boots = strtoul(val, NULL, 10);
671 warn("Bad 'engine-boots' value %s", val);
679 warnx("Suboption 'engine-time' - no argument");
684 snmp_client.engine.engine_time = strtoul(val, NULL, 10);
686 warn("Bad 'engine-time' value %s", val);
693 strlcpy(snmp_client.user.sec_name, val,
697 warnx("Unknown suboption - '%s'", suboptarg);
702 return (2/* count */);
706 parse_file(struct snmp_toolinfo *snmptoolctx, char *opt_arg)
708 assert(opt_arg != NULL);
710 if (parse_flist(snmptoolctx, opt_arg, NULL, &IsoOrgDod_OID) < 0)
717 parse_include(struct snmp_toolinfo *snmptoolctx, char *opt_arg)
719 char path[MAXPATHLEN + 1];
720 int32_t cut_dflt, len, subopt;
723 const char *const subopts[] = {
734 assert(opt_arg != NULL);
737 free_filelist(snmptoolctx, ); */
739 * This function should be called only after getopt(3) - otherwise if
740 * no previous validation of opt_arg strlen() may not return what is
745 memset(&cut, 0, sizeof(struct asn_oid));
748 while ((subopt = getsubopt1(&opt_arg, subopts, &val, &option)) != EOF) {
752 warnx("Suboption 'cut' requires an argument");
755 if (snmp_parse_numoid(val, &cut) < 0)
762 if ((len = parse_path(val)) < 0)
764 strlcpy(path, val, len + 1);
771 len = parse_flist(snmptoolctx, val, path, &IsoOrgDod_OID);
773 len = parse_flist(snmptoolctx, val, path, &cut);
779 warnx("Unknown suboption - '%s'", suboptarg);
784 /* XXX: Fix me - returning two is wrong here */
789 parse_server(char *opt_arg)
791 assert(opt_arg != NULL);
793 if (snmp_parse_server(&snmp_client, opt_arg) < 0)
796 if (snmp_client.trans > SNMP_TRANS_UDP && snmp_client.chost == NULL) {
797 if ((snmp_client.chost = malloc(strlen(SNMP_DEFAULT_LOCAL) + 1))
799 syslog(LOG_ERR, "malloc() failed: %s", strerror(errno));
802 strcpy(snmp_client.chost, SNMP_DEFAULT_LOCAL);
809 parse_timeout(char *opt_arg)
811 int32_t v, saved_errno;
813 assert(opt_arg != NULL);
818 v = strtol(opt_arg, NULL, 10);
820 warn("Error parsing timeout value");
825 snmp_client.timeout.tv_sec = v;
831 parse_retry(char *opt_arg)
836 assert(opt_arg != NULL);
841 v = strtoul(opt_arg, NULL, 10);
843 warn("Error parsing retries count");
848 snmp_client.retries = v;
854 parse_version(char *opt_arg)
859 assert(opt_arg != NULL);
864 v = strtoul(opt_arg, NULL, 10);
866 warn("Error parsing version");
873 snmp_client.version = SNMP_V1;
876 snmp_client.version = SNMP_V2c;
879 snmp_client.version = SNMP_V3;
882 warnx("Unsupported SNMP version - %u", v);
892 parse_local_path(char *opt_arg)
894 assert(opt_arg != NULL);
896 if (sizeof(opt_arg) > sizeof(SNMP_LOCAL_PATH)) {
897 warnx("Filename too long - %s", opt_arg);
901 strlcpy(snmp_client.local_path, opt_arg, sizeof(SNMP_LOCAL_PATH));
906 parse_buflen(char *opt_arg)
911 assert(opt_arg != NULL);
916 size = strtoul(opt_arg, NULL, 10);
918 warn("Error parsing buffer size");
923 if (size > MAX_BUFF_SIZE) {
924 warnx("Buffer size too big - %d max allowed", MAX_BUFF_SIZE);
929 snmp_client.txbuflen = snmp_client.rxbuflen = size;
937 snmp_client.dump_pdus = 1;
942 parse_discovery(struct snmp_toolinfo *snmptoolctx)
944 SET_EDISCOVER(snmptoolctx);
945 snmp_client.version = SNMP_V3;
950 parse_local_key(struct snmp_toolinfo *snmptoolctx)
952 SET_LOCALKEY(snmptoolctx);
953 snmp_client.version = SNMP_V3;
958 parse_num_oids(struct snmp_toolinfo *snmptoolctx)
960 SET_NUMERIC(snmptoolctx);
965 parse_output(struct snmp_toolinfo *snmptoolctx, char *opt_arg)
967 assert(opt_arg != NULL);
969 if (strlen(opt_arg) > strlen("verbose")) {
970 warnx( "Invalid output option - %s",opt_arg);
974 if (strncasecmp(opt_arg, "short", strlen(opt_arg)) == 0)
975 SET_OUTPUT(snmptoolctx, OUTPUT_SHORT);
976 else if (strncasecmp(opt_arg, "verbose", strlen(opt_arg)) == 0)
977 SET_OUTPUT(snmptoolctx, OUTPUT_VERBOSE);
978 else if (strncasecmp(opt_arg,"tabular", strlen(opt_arg)) == 0)
979 SET_OUTPUT(snmptoolctx, OUTPUT_TABULAR);
980 else if (strncasecmp(opt_arg, "quiet", strlen(opt_arg)) == 0)
981 SET_OUTPUT(snmptoolctx, OUTPUT_QUIET);
983 warnx( "Invalid output option - %s", opt_arg);
991 parse_errors(struct snmp_toolinfo *snmptoolctx)
993 SET_RETRY(snmptoolctx);
998 parse_skip_access(struct snmp_toolinfo *snmptoolctx)
1000 SET_ERRIGNORE(snmptoolctx);
1005 snmp_parse_suboid(char *str, struct asn_oid *oid)
1013 if (*str < '0' || *str > '9')
1017 suboid = strtoul(str, &endptr, 10);
1018 if ((asn_subid_t) suboid > ASN_MAXID) {
1019 warnx("Suboid %u > ASN_MAXID", suboid);
1022 if (snmp_suboid_append(oid, suboid) < 0)
1025 } while (*endptr == '.');
1031 snmp_int2asn_oid(char *str, struct asn_oid *oid)
1034 int32_t v, saved_errno;
1036 saved_errno = errno;
1039 v = strtol(str, &endptr, 10);
1041 warn("Integer value %s not supported", str);
1042 errno = saved_errno;
1045 errno = saved_errno;
1047 if (snmp_suboid_append(oid, (asn_subid_t) v) < 0)
1053 /* It is a bit weird to have a table indexed by OID but still... */
1055 snmp_oid2asn_oid(struct snmp_toolinfo *snmptoolctx, char *str,
1056 struct asn_oid *oid)
1059 char string[MAXSTR + 1], *endptr;
1060 struct snmp_object obj;
1062 for (i = 0; i < MAXSTR; i++)
1063 if (isalpha (*(str + i)) == 0)
1067 memset(&obj, 0, sizeof(struct snmp_object));
1069 if ((endptr = snmp_parse_suboid(str, &(obj.val.var))) == NULL)
1071 if (snmp_suboid_append(oid, (asn_subid_t) obj.val.var.len) < 0)
1074 strlcpy(string, str, i + 1);
1075 if (snmp_lookup_enumoid(snmptoolctx, &obj, string) < 0) {
1076 warnx("Unknown string - %s", string);
1081 asn_append_oid(oid, &(obj.val.var));
1086 snmp_ip2asn_oid(char *str, struct asn_oid *oid)
1094 for (i = 0; i < 4; i++) {
1095 v = strtoul(ptr, &endptr, 10);
1098 if (*endptr != '.' && strchr("],\0", *endptr) == NULL && i != 3)
1100 if (snmp_suboid_append(oid, (asn_subid_t) v) < 0)
1108 /* 32-bit counter, gauge, timeticks. */
1110 snmp_uint2asn_oid(char *str, struct asn_oid *oid)
1114 int32_t saved_errno;
1116 saved_errno = errno;
1119 v = strtoul(str, &endptr, 10);
1121 warn("Integer value %s not supported", str);
1122 errno = saved_errno;
1125 errno = saved_errno;
1126 if (snmp_suboid_append(oid, (asn_subid_t) v) < 0)
1133 snmp_cnt64_2asn_oid(char *str, struct asn_oid *oid)
1137 int32_t saved_errno;
1139 saved_errno = errno;
1142 v = strtoull(str, &endptr, 10);
1145 warn("Integer value %s not supported", str);
1146 errno = saved_errno;
1149 errno = saved_errno;
1150 if (snmp_suboid_append(oid, (asn_subid_t) (v & 0xffffffff)) < 0)
1153 if (snmp_suboid_append(oid, (asn_subid_t) (v >> 32)) < 0)
1160 parse_syntax(char *str)
1164 for (i = 0; i < SNMP_SYNTAX_UNKNOWN; i++) {
1165 if (strncmp(syntax_strings[i].str, str,
1166 strlen(syntax_strings[i].str)) == 0)
1167 return (syntax_strings[i].stx);
1170 return (SNMP_SYNTAX_NULL);
1174 snmp_parse_subindex(struct snmp_toolinfo *snmptoolctx, char *str,
1175 struct index *idx, struct snmp_object *object)
1179 enum snmp_syntax stx;
1180 char syntax[MAX_CMD_SYNTAX_LEN];
1183 if (GET_OUTPUT(snmptoolctx) == OUTPUT_VERBOSE) {
1184 for (i = 0; i < MAX_CMD_SYNTAX_LEN ; i++) {
1185 if (*(ptr + i) == ':')
1189 if (i >= MAX_CMD_SYNTAX_LEN) {
1190 warnx("Unknown syntax in OID - %s", str);
1193 /* Expect a syntax string here. */
1194 if ((stx = parse_syntax(str)) <= SNMP_SYNTAX_NULL) {
1195 warnx("Invalid syntax - %s",syntax);
1199 if (stx != idx->syntax && !ISSET_ERRIGNORE(snmptoolctx)) {
1200 warnx("Syntax mismatch - %d expected, %d given",
1205 * That is where the suboid started + the syntax length + one
1206 * character for ':'.
1213 case SNMP_SYNTAX_INTEGER:
1214 return (snmp_int2asn_oid(ptr, &(object->val.var)));
1215 case SNMP_SYNTAX_OID:
1216 return (snmp_oid2asn_oid(snmptoolctx, ptr,
1217 &(object->val.var)));
1218 case SNMP_SYNTAX_IPADDRESS:
1219 return (snmp_ip2asn_oid(ptr, &(object->val.var)));
1220 case SNMP_SYNTAX_COUNTER:
1222 case SNMP_SYNTAX_GAUGE:
1224 case SNMP_SYNTAX_TIMETICKS:
1225 return (snmp_uint2asn_oid(ptr, &(object->val.var)));
1226 case SNMP_SYNTAX_COUNTER64:
1227 return (snmp_cnt64_2asn_oid(ptr, &(object->val.var)));
1228 case SNMP_SYNTAX_OCTETSTRING:
1229 return (snmp_tc2oid(idx->tc, ptr, &(object->val.var)));
1239 snmp_parse_index(struct snmp_toolinfo *snmptoolctx, char *str,
1240 struct snmp_object *object)
1245 if (object->info->table_idx == NULL)
1249 STAILQ_FOREACH(temp, &(OBJECT_IDX_LIST(object)), link) {
1250 if ((ptr = snmp_parse_subindex(snmptoolctx, str, temp, object))
1254 if (*ptr != ',' && *ptr != ']')
1259 if (ptr == NULL || *ptr != ']') {
1260 warnx("Mismatching index - %s", str);
1268 * Fill in the struct asn_oid member of snmp_value with suboids from input.
1269 * If an error occurs - print message on stderr and return (-1).
1270 * If all is ok - return the length of the oid.
1273 snmp_parse_numoid(char *argv, struct asn_oid *var)
1284 if (var->len == ASN_MAXOIDLEN) {
1285 warnx("Oid too long - %u", var->len);
1289 suboid = strtoul(str, &endptr, 10);
1290 if (suboid > ASN_MAXID) {
1291 warnx("Oid too long - %u", var->len);
1295 var->subs[var->len++] = suboid;
1297 } while ( *endptr == '.');
1299 if (*endptr != '\0') {
1300 warnx("Invalid oid string - %s", argv);
1307 /* Append a length 1 suboid to an asn_oid structure. */
1309 snmp_suboid_append(struct asn_oid *var, asn_subid_t suboid)
1314 if (var->len >= ASN_MAXOIDLEN) {
1315 warnx("Oid too long - %u", var->len);
1319 var->subs[var->len++] = suboid;
1324 /* Pop the last suboid from an asn_oid structure. */
1326 snmp_suboid_pop(struct asn_oid *var)
1336 suboid = var->subs[--(var->len)];
1337 var->subs[var->len] = 0;
1343 * Parse the command-line provided string into an OID - alocate memory for a new
1344 * snmp object, fill in its fields and insert it in the object list. A
1345 * (snmp_verify_inoid_f) function must be provided to validate the input string.
1348 snmp_object_add(struct snmp_toolinfo *snmptoolctx, snmp_verify_inoid_f func,
1351 struct snmp_object *obj;
1353 if (snmptoolctx == NULL)
1356 /* XXX-BZ does that chack make sense? */
1357 if (snmptoolctx->objects >= SNMP_MAX_BINDINGS) {
1358 warnx("Too many bindings in PDU - %u", snmptoolctx->objects + 1);
1362 if ((obj = calloc(1, sizeof(struct snmp_object))) == NULL) {
1363 syslog(LOG_ERR, "malloc() failed: %s", strerror(errno));
1367 if (func(snmptoolctx, obj, string) < 0) {
1368 warnx("Invalid OID - %s", string);
1373 snmptoolctx->objects++;
1374 SLIST_INSERT_HEAD(&snmptoolctx->snmp_objectlist, obj, link);
1379 /* Given an OID, find it in the object list and remove it. */
1381 snmp_object_remove(struct snmp_toolinfo *snmptoolctx, struct asn_oid *oid)
1383 struct snmp_object *temp;
1385 if (SLIST_EMPTY(&snmptoolctx->snmp_objectlist)) {
1386 warnx("Object list already empty");
1391 SLIST_FOREACH(temp, &snmptoolctx->snmp_objectlist, link)
1392 if (asn_compare_oid(&(temp->val.var), oid) == 0)
1396 warnx("No such object in list");
1400 SLIST_REMOVE(&snmptoolctx->snmp_objectlist, temp, snmp_object, link);
1401 if (temp->val.syntax == SNMP_SYNTAX_OCTETSTRING &&
1402 temp->val.v.octetstring.octets != NULL)
1403 free(temp->val.v.octetstring.octets);
1410 snmp_object_freeall(struct snmp_toolinfo *snmptoolctx)
1412 struct snmp_object *o;
1414 while ((o = SLIST_FIRST(&snmptoolctx->snmp_objectlist)) != NULL) {
1415 SLIST_REMOVE_HEAD(&snmptoolctx->snmp_objectlist, link);
1417 if (o->val.syntax == SNMP_SYNTAX_OCTETSTRING &&
1418 o->val.v.octetstring.octets != NULL)
1419 free(o->val.v.octetstring.octets);
1424 /* Do all possible memory release before exit. */
1426 snmp_tool_freeall(struct snmp_toolinfo *snmptoolctx)
1428 if (snmp_client.chost != NULL) {
1429 free(snmp_client.chost);
1430 snmp_client.chost = NULL;
1433 if (snmp_client.cport != NULL) {
1434 free(snmp_client.cport);
1435 snmp_client.cport = NULL;
1438 snmp_mapping_free(snmptoolctx);
1439 free_filelist(snmptoolctx);
1440 snmp_object_freeall(snmptoolctx);
1442 if (snmptoolctx->passwd != NULL) {
1443 free(snmptoolctx->passwd);
1444 snmptoolctx->passwd = NULL;
1449 * Fill all variables from the object list into a PDU. (snmp_verify_vbind_f)
1450 * function should check whether the variable is consistent in this PDU
1451 * (e.g do not add non-leaf OIDs to a GET PDU, or OIDs with read access only to
1452 * a SET PDU) - might be NULL though. (snmp_add_vbind_f) function is the
1453 * function actually adds the variable to the PDU and must not be NULL.
1456 snmp_pdu_add_bindings(struct snmp_toolinfo *snmptoolctx,
1457 snmp_verify_vbind_f vfunc, snmp_add_vbind_f afunc,
1458 struct snmp_pdu *pdu, int32_t maxcount)
1460 int32_t nbindings, abind;
1461 struct snmp_object *obj;
1463 if (pdu == NULL || afunc == NULL)
1466 /* Return 0 in case of no more work todo. */
1467 if (SLIST_EMPTY(&snmptoolctx->snmp_objectlist))
1470 if (maxcount < 0 || maxcount > SNMP_MAX_BINDINGS) {
1471 warnx("maxcount out of range: <0 || >SNMP_MAX_BINDINGS");
1476 SLIST_FOREACH(obj, &snmptoolctx->snmp_objectlist, link) {
1477 if ((vfunc != NULL) && (vfunc(snmptoolctx, pdu, obj) < 0)) {
1481 if ((abind = afunc(pdu, obj)) < 0) {
1487 /* Do not put more varbindings than requested. */
1488 if (++nbindings >= maxcount)
1497 * Locate an object in the object list and set a corresponding error status.
1500 snmp_object_seterror(struct snmp_toolinfo *snmptoolctx,
1501 struct snmp_value *err_value, int32_t error_status)
1503 struct snmp_object *obj;
1505 if (SLIST_EMPTY(&snmptoolctx->snmp_objectlist) || err_value == NULL)
1508 SLIST_FOREACH(obj, &snmptoolctx->snmp_objectlist, link)
1509 if (asn_compare_oid(&(err_value->var), &(obj->val.var)) == 0) {
1510 obj->error = error_status;
1518 * Check a PDU received in response to a SNMP_PDU_GET/SNMP_PDU_GETBULK request
1519 * but don't compare syntaxes - when sending a request PDU they must be null.
1520 * This is a (almost) complete copy of snmp_pdu_check() - with matching syntaxes
1521 * checks and some other checks skipped.
1524 snmp_parse_get_resp(struct snmp_pdu *resp, struct snmp_pdu *req)
1528 for (i = 0; i < req->nbindings; i++) {
1529 if (asn_compare_oid(&req->bindings[i].var,
1530 &resp->bindings[i].var) != 0) {
1531 warnx("Bad OID in response");
1535 if (snmp_client.version != SNMP_V1 && (resp->bindings[i].syntax
1536 == SNMP_SYNTAX_NOSUCHOBJECT || resp->bindings[i].syntax ==
1537 SNMP_SYNTAX_NOSUCHINSTANCE))
1545 snmp_parse_getbulk_resp(struct snmp_pdu *resp, struct snmp_pdu *req)
1549 if (req->error_status > (int32_t) resp->nbindings) {
1550 warnx("Bad number of bindings in response");
1554 for (N = 0; N < req->error_status; N++) {
1555 if (asn_is_suboid(&req->bindings[N].var,
1556 &resp->bindings[N].var) == 0)
1558 if (resp->bindings[N].syntax == SNMP_SYNTAX_ENDOFMIBVIEW)
1562 for (R = N , r = N; R < (int32_t) req->nbindings; R++) {
1563 for (M = 0; M < req->error_index && (r + M) <
1564 (int32_t) resp->nbindings; M++) {
1565 if (asn_is_suboid(&req->bindings[R].var,
1566 &resp->bindings[r + M].var) == 0)
1569 if (resp->bindings[r + M].syntax ==
1570 SNMP_SYNTAX_ENDOFMIBVIEW) {
1582 snmp_parse_getnext_resp(struct snmp_pdu *resp, struct snmp_pdu *req)
1586 for (i = 0; i < req->nbindings; i++) {
1587 if (asn_is_suboid(&req->bindings[i].var, &resp->bindings[i].var)
1591 if (resp->version != SNMP_V1 && resp->bindings[i].syntax ==
1592 SNMP_SYNTAX_ENDOFMIBVIEW)
1600 * Should be called to check a response to get/getnext/getbulk.
1603 snmp_parse_resp(struct snmp_pdu *resp, struct snmp_pdu *req)
1605 if (resp == NULL || req == NULL)
1608 if (resp->version != req->version) {
1609 warnx("Response has wrong version");
1613 if (resp->error_status == SNMP_ERR_NOSUCHNAME) {
1614 warnx("Error - No Such Name");
1618 if (resp->error_status != SNMP_ERR_NOERROR) {
1619 warnx("Error %d in response", resp->error_status);
1623 if (resp->nbindings != req->nbindings && req->type != SNMP_PDU_GETBULK){
1624 warnx("Bad number of bindings in response");
1628 switch (req->type) {
1630 return (snmp_parse_get_resp(resp,req));
1631 case SNMP_PDU_GETBULK:
1632 return (snmp_parse_getbulk_resp(resp,req));
1633 case SNMP_PDU_GETNEXT:
1634 return (snmp_parse_getnext_resp(resp,req));
1644 snmp_output_octetstring(struct snmp_toolinfo *snmptoolctx, enum snmp_tc tc,
1645 uint32_t len, uint8_t *octets)
1649 if (len == 0 || octets == NULL)
1652 if (GET_OUTPUT(snmptoolctx) == OUTPUT_VERBOSE)
1653 fprintf(stdout, "%s : ",
1654 syntax_strings[SNMP_SYNTAX_OCTETSTRING].str);
1656 if ((buf = snmp_oct2tc(tc, len, (char *) octets)) != NULL) {
1657 fprintf(stdout, "%s", buf);
1663 snmp_output_octetindex(struct snmp_toolinfo *snmptoolctx, enum snmp_tc tc,
1664 struct asn_oid *oid)
1669 if ((s = malloc(oid->subs[0] + 1)) == NULL)
1670 syslog(LOG_ERR, "malloc failed - %s", strerror(errno));
1672 for (i = 0; i < oid->subs[0]; i++)
1673 s[i] = (u_char) (oid->subs[i + 1]);
1675 snmp_output_octetstring(snmptoolctx, tc, oid->subs[0], s);
1681 * Check and output syntax type and value.
1684 snmp_output_oid_value(struct snmp_toolinfo *snmptoolctx, struct asn_oid *oid)
1686 char oid_string[ASN_OIDSTRLEN];
1687 struct snmp_object obj;
1689 if (GET_OUTPUT(snmptoolctx) == OUTPUT_VERBOSE)
1690 fprintf(stdout, "%s : ", syntax_strings[SNMP_SYNTAX_OID].str);
1692 if(!ISSET_NUMERIC(snmptoolctx)) {
1693 memset(&obj, 0, sizeof(struct snmp_object));
1694 asn_append_oid(&(obj.val.var), oid);
1696 if (snmp_lookup_enumstring(snmptoolctx, &obj) > 0)
1697 fprintf(stdout, "%s" , obj.info->string);
1698 else if (snmp_lookup_oidstring(snmptoolctx, &obj) > 0)
1699 fprintf(stdout, "%s" , obj.info->string);
1700 else if (snmp_lookup_nodestring(snmptoolctx, &obj) > 0)
1701 fprintf(stdout, "%s" , obj.info->string);
1703 (void) asn_oid2str_r(oid, oid_string);
1704 fprintf(stdout, "%s", oid_string);
1707 (void) asn_oid2str_r(oid, oid_string);
1708 fprintf(stdout, "%s", oid_string);
1713 snmp_output_int(struct snmp_toolinfo *snmptoolctx, struct enum_pairs *enums,
1718 if (GET_OUTPUT(snmptoolctx) == OUTPUT_VERBOSE)
1719 fprintf(stdout, "%s : ",
1720 syntax_strings[SNMP_SYNTAX_INTEGER].str);
1722 if (enums != NULL && (string = enum_string_lookup(enums, int_val))
1724 fprintf(stdout, "%s", string);
1726 fprintf(stdout, "%d", int_val);
1730 snmp_output_ipaddress(struct snmp_toolinfo *snmptoolctx, uint8_t *ip)
1732 if (GET_OUTPUT(snmptoolctx) == OUTPUT_VERBOSE)
1733 fprintf(stdout, "%s : ",
1734 syntax_strings[SNMP_SYNTAX_IPADDRESS].str);
1736 fprintf(stdout, "%u.%u.%u.%u", ip[0], ip[1], ip[2], ip[3]);
1740 snmp_output_counter(struct snmp_toolinfo *snmptoolctx, uint32_t counter)
1742 if (GET_OUTPUT(snmptoolctx) == OUTPUT_VERBOSE)
1743 fprintf(stdout, "%s : ",
1744 syntax_strings[SNMP_SYNTAX_COUNTER].str);
1746 fprintf(stdout, "%u", counter);
1750 snmp_output_gauge(struct snmp_toolinfo *snmptoolctx, uint32_t gauge)
1752 if (GET_OUTPUT(snmptoolctx) == OUTPUT_VERBOSE)
1753 fprintf(stdout, "%s : ", syntax_strings[SNMP_SYNTAX_GAUGE].str);
1755 fprintf(stdout, "%u", gauge);
1759 snmp_output_ticks(struct snmp_toolinfo *snmptoolctx, uint32_t ticks)
1761 if (GET_OUTPUT(snmptoolctx) == OUTPUT_VERBOSE)
1762 fprintf(stdout, "%s : ",
1763 syntax_strings[SNMP_SYNTAX_TIMETICKS].str);
1765 fprintf(stdout, "%u", ticks);
1769 snmp_output_counter64(struct snmp_toolinfo *snmptoolctx, uint64_t counter64)
1771 if (GET_OUTPUT(snmptoolctx) == OUTPUT_VERBOSE)
1772 fprintf(stdout, "%s : ",
1773 syntax_strings[SNMP_SYNTAX_COUNTER64].str);
1775 fprintf(stdout,"%ju", counter64);
1779 snmp_output_numval(struct snmp_toolinfo *snmptoolctx, struct snmp_value *val,
1780 struct snmp_oid2str *entry)
1785 if (GET_OUTPUT(snmptoolctx) != OUTPUT_QUIET)
1786 fprintf(stdout, " = ");
1788 switch (val->syntax) {
1789 case SNMP_SYNTAX_INTEGER:
1791 snmp_output_int(snmptoolctx, entry->snmp_enum,
1794 snmp_output_int(snmptoolctx, NULL, val->v.integer);
1797 case SNMP_SYNTAX_OCTETSTRING:
1799 snmp_output_octetstring(snmptoolctx, entry->tc,
1800 val->v.octetstring.len, val->v.octetstring.octets);
1802 snmp_output_octetstring(snmptoolctx, SNMP_STRING,
1803 val->v.octetstring.len, val->v.octetstring.octets);
1806 case SNMP_SYNTAX_OID:
1807 snmp_output_oid_value(snmptoolctx, &(val->v.oid));
1810 case SNMP_SYNTAX_IPADDRESS:
1811 snmp_output_ipaddress(snmptoolctx, val->v.ipaddress);
1814 case SNMP_SYNTAX_COUNTER:
1815 snmp_output_counter(snmptoolctx, val->v.uint32);
1818 case SNMP_SYNTAX_GAUGE:
1819 snmp_output_gauge(snmptoolctx, val->v.uint32);
1822 case SNMP_SYNTAX_TIMETICKS:
1823 snmp_output_ticks(snmptoolctx, val->v.uint32);
1826 case SNMP_SYNTAX_COUNTER64:
1827 snmp_output_counter64(snmptoolctx, val->v.counter64);
1830 case SNMP_SYNTAX_NOSUCHOBJECT:
1831 fprintf(stdout, "No Such Object\n");
1832 return (val->syntax);
1834 case SNMP_SYNTAX_NOSUCHINSTANCE:
1835 fprintf(stdout, "No Such Instance\n");
1836 return (val->syntax);
1838 case SNMP_SYNTAX_ENDOFMIBVIEW:
1839 fprintf(stdout, "End of Mib View\n");
1840 return (val->syntax);
1842 case SNMP_SYNTAX_NULL:
1844 fprintf(stdout, "agent returned NULL Syntax\n");
1845 return (val->syntax);
1848 /* NOTREACHED - If here - then all went completely wrong. */
1849 fprintf(stdout, "agent returned unknown syntax\n");
1853 fprintf(stdout, "\n");
1859 snmp_fill_object(struct snmp_toolinfo *snmptoolctx, struct snmp_object *obj,
1860 struct snmp_value *val)
1865 if (obj == NULL || val == NULL)
1868 if ((suboid = snmp_suboid_pop(&(val->var))) > ASN_MAXID)
1871 memset(obj, 0, sizeof(struct snmp_object));
1872 asn_append_oid(&(obj->val.var), &(val->var));
1873 obj->val.syntax = val->syntax;
1875 if (obj->val.syntax > 0)
1876 rc = snmp_lookup_leafstring(snmptoolctx, obj);
1878 rc = snmp_lookup_nonleaf_string(snmptoolctx, obj);
1880 (void) snmp_suboid_append(&(val->var), suboid);
1881 (void) snmp_suboid_append(&(obj->val.var), suboid);
1887 snmp_output_index(struct snmp_toolinfo *snmptoolctx, struct index *stx,
1888 struct asn_oid *oid)
1893 struct asn_oid temp, out;
1895 if (oid->len < bytes)
1898 memset(&temp, 0, sizeof(struct asn_oid));
1899 asn_append_oid(&temp, oid);
1901 switch (stx->syntax) {
1902 case SNMP_SYNTAX_INTEGER:
1903 snmp_output_int(snmptoolctx, stx->snmp_enum, temp.subs[0]);
1906 case SNMP_SYNTAX_OCTETSTRING:
1907 if ((temp.subs[0] > temp.len -1 ) || (temp.subs[0] >
1908 ASN_MAXOCTETSTRING))
1910 snmp_output_octetindex(snmptoolctx, stx->tc, &temp);
1911 bytes += temp.subs[0];
1914 case SNMP_SYNTAX_OID:
1915 if ((temp.subs[0] > temp.len -1) || (temp.subs[0] >
1919 bytes += temp.subs[0];
1920 memset(&out, 0, sizeof(struct asn_oid));
1921 asn_slice_oid(&out, &temp, 1, bytes);
1922 snmp_output_oid_value(snmptoolctx, &out);
1925 case SNMP_SYNTAX_IPADDRESS:
1928 for (bytes = 0; bytes < 4; bytes++)
1929 ip[bytes] = temp.subs[bytes];
1931 snmp_output_ipaddress(snmptoolctx, ip);
1935 case SNMP_SYNTAX_COUNTER:
1936 snmp_output_counter(snmptoolctx, temp.subs[0]);
1939 case SNMP_SYNTAX_GAUGE:
1940 snmp_output_gauge(snmptoolctx, temp.subs[0]);
1943 case SNMP_SYNTAX_TIMETICKS:
1944 snmp_output_ticks(snmptoolctx, temp.subs[0]);
1947 case SNMP_SYNTAX_COUNTER64:
1951 memcpy(&cnt64, temp.subs, bytes);
1952 snmp_output_counter64(snmptoolctx, cnt64);
1963 snmp_output_object(struct snmp_toolinfo *snmptoolctx, struct snmp_object *o)
1965 int32_t i, first, len;
1969 if (ISSET_NUMERIC(snmptoolctx))
1972 if (o->info->table_idx == NULL) {
1973 fprintf(stdout,"%s.%d", o->info->string,
1974 o->val.var.subs[o->val.var.len - 1]);
1978 fprintf(stdout,"%s[", o->info->string);
1979 memset(&oid, 0, sizeof(struct asn_oid));
1982 asn_slice_oid(&oid, &(o->val.var), (o->info->table_idx->var.len + len),
1986 STAILQ_FOREACH(temp, &(OBJECT_IDX_LIST(o)), link) {
1990 fprintf(stdout, ", ");
1991 if ((i = snmp_output_index(snmptoolctx, temp, &oid)) < 0)
1994 memset(&oid, 0, sizeof(struct asn_oid));
1995 asn_slice_oid(&oid, &(o->val.var),
1996 (o->info->table_idx->var.len + len), o->val.var.len + 1);
1999 fprintf(stdout,"]");
2004 snmp_output_err_resp(struct snmp_toolinfo *snmptoolctx, struct snmp_pdu *pdu)
2006 struct snmp_object *object;
2007 char buf[ASN_OIDSTRLEN];
2009 if (pdu == NULL || (pdu->error_index > (int32_t) pdu->nbindings)) {
2010 fprintf(stdout, "Invalid error index in PDU\n");
2014 if ((object = calloc(1, sizeof(struct snmp_object))) == NULL) {
2015 fprintf(stdout, "calloc: %s", strerror(errno));
2019 fprintf(stdout, "Agent %s:%s returned error \n", snmp_client.chost,
2022 if (!ISSET_NUMERIC(snmptoolctx) && (snmp_fill_object(snmptoolctx, object,
2023 &(pdu->bindings[pdu->error_index - 1])) > 0))
2024 snmp_output_object(snmptoolctx, object);
2026 asn_oid2str_r(&(pdu->bindings[pdu->error_index - 1].var), buf);
2027 fprintf(stdout,"%s", buf);
2030 fprintf(stdout," caused error - ");
2031 if ((pdu->error_status > 0) && (pdu->error_status <=
2032 SNMP_ERR_INCONS_NAME))
2033 fprintf(stdout, "%s\n", error_strings[pdu->error_status].str);
2035 fprintf(stdout,"%s\n", error_strings[SNMP_ERR_UNKNOWN].str);
2042 snmp_output_resp(struct snmp_toolinfo *snmptoolctx, struct snmp_pdu *pdu,
2043 struct asn_oid *root)
2045 struct snmp_object *object;
2046 char p[ASN_OIDSTRLEN];
2050 if ((object = calloc(1, sizeof(struct snmp_object))) == NULL)
2054 while (i < pdu->nbindings) {
2055 if (root != NULL && !(asn_is_suboid(root,
2056 &(pdu->bindings[i].var))))
2059 if (GET_OUTPUT(snmptoolctx) != OUTPUT_QUIET) {
2060 if (!ISSET_NUMERIC(snmptoolctx) &&
2061 (snmp_fill_object(snmptoolctx, object,
2062 &(pdu->bindings[i])) > 0))
2063 snmp_output_object(snmptoolctx, object);
2065 asn_oid2str_r(&(pdu->bindings[i].var), p);
2066 fprintf(stdout, "%s", p);
2069 error |= snmp_output_numval(snmptoolctx, &(pdu->bindings[i]),
2084 snmp_output_engine(void)
2087 char *cptr, engine[2 * SNMP_ENGINE_ID_SIZ + 2];
2090 for (i = 0; i < snmp_client.engine.engine_len; i++)
2091 cptr += sprintf(cptr, "%.2x", snmp_client.engine.engine_id[i]);
2094 fprintf(stdout, "Engine ID 0x%s\n", engine);
2095 fprintf(stdout, "Boots : %u\t\tTime : %d\n",
2096 snmp_client.engine.engine_boots,
2097 snmp_client.engine.engine_time);
2101 snmp_output_keys(void)
2103 uint32_t i, keylen = 0;
2104 char *cptr, extkey[2 * SNMP_AUTH_KEY_SIZ + 2];
2106 fprintf(stdout, "Localized keys for %s\n", snmp_client.user.sec_name);
2107 if (snmp_client.user.auth_proto == SNMP_AUTH_HMAC_MD5) {
2108 fprintf(stdout, "MD5 : 0x");
2109 keylen = SNMP_AUTH_HMACMD5_KEY_SIZ;
2110 } else if (snmp_client.user.auth_proto == SNMP_AUTH_HMAC_SHA) {
2111 fprintf(stdout, "SHA : 0x");
2112 keylen = SNMP_AUTH_HMACSHA_KEY_SIZ;
2114 if (snmp_client.user.auth_proto != SNMP_AUTH_NOAUTH) {
2116 for (i = 0; i < keylen; i++)
2117 cptr += sprintf(cptr, "%.2x",
2118 snmp_client.user.auth_key[i]);
2120 fprintf(stdout, "%s\n", extkey);
2123 if (snmp_client.user.priv_proto == SNMP_PRIV_DES) {
2124 fprintf(stdout, "DES : 0x");
2125 keylen = SNMP_PRIV_DES_KEY_SIZ;
2126 } else if (snmp_client.user.priv_proto == SNMP_PRIV_AES) {
2127 fprintf(stdout, "AES : 0x");
2128 keylen = SNMP_PRIV_AES_KEY_SIZ;
2130 if (snmp_client.user.priv_proto != SNMP_PRIV_NOPRIV) {
2132 for (i = 0; i < keylen; i++)
2133 cptr += sprintf(cptr, "%.2x",
2134 snmp_client.user.priv_key[i]);
2136 fprintf(stdout, "%s\n", extkey);