+++ /dev/null
-/*
- * snmptable.c - walk a table and print it nicely
- *
- * Update: 1999-10-26 <rs-snmp@revelstone.com>
- * Added ability to use MIB to query tables with non-sequential column OIDs
- * Added code to handle sparse tables
- *
- * Update: 1998-07-17 <jhy@gsu.edu>
- * Added text <special options> to usage().
- */
-/**********************************************************************
- Copyright 1997 Niels Baggesen
-
- All Rights Reserved
-
-Permission to use, copy, modify, and distribute this software and its
-documentation for any purpose and without fee is hereby granted,
-provided that the above copyright notice appear in all copies.
-
-I DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
-ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
-I BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
-ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
-WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
-ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
-SOFTWARE.
-******************************************************************/
-#include <net-snmp/net-snmp-config.h>
-
-#if HAVE_STDLIB_H
-#include <stdlib.h>
-#endif
-#if HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#if HAVE_STRING_H
-#include <string.h>
-#else
-#include <strings.h>
-#endif
-#include <sys/types.h>
-#if HAVE_NETINET_IN_H
-# include <netinet/in.h>
-#endif
-#if TIME_WITH_SYS_TIME
-# ifdef WIN32
-# include <sys/timeb.h>
-# else
-# include <sys/time.h>
-# endif
-# include <time.h>
-#else
-# if HAVE_SYS_TIME_H
-# include <sys/time.h>
-# else
-# include <time.h>
-# endif
-#endif
-#if HAVE_SYS_SELECT_H
-#include <sys/select.h>
-#endif
-#include <stdio.h>
-#if HAVE_WINSOCK_H
-#include <winsock.h>
-#endif
-#if HAVE_NETDB_H
-#include <netdb.h>
-#endif
-#if HAVE_ARPA_INET_H
-#include <arpa/inet.h>
-#endif
-
-#include <net-snmp/net-snmp-includes.h>
-
-struct column {
- int width;
- oid subid;
- char *label;
- char *fmt;
-} *column = NULL;
-
-static char **data = NULL;
-static char **indices = NULL;
-static int index_width = sizeof("index") - 1;
-static int fields;
-static int entries;
-static int allocated;
-static int headers_only = 0;
-static int no_headers = 0;
-static int max_width = 0;
-static int brief = 0;
-static int show_index = 0;
-static char *field_separator = NULL;
-static char *table_name;
-static oid name[MAX_OID_LEN];
-static size_t name_length;
-static oid root[MAX_OID_LEN];
-static size_t rootlen;
-static int localdebug;
-static int exitval = 0;
-static int use_getbulk = 1;
-static int max_getbulk = 25;
-
-void usage(void);
-void get_field_names(char *);
-void get_table_entries(netsnmp_session * ss);
-void getbulk_table_entries(netsnmp_session * ss);
-void print_table(void);
-
-static void
-optProc(int argc, char *const *argv, int opt)
-{
- switch (opt) {
- case 'C':
- /*
- * Handle new '-C' command-specific meta-options
- */
- while (*optarg) {
- switch (*optarg++) {
- case 'w':
- if (optind < argc) {
- if (argv[optind]) {
- max_width = atoi(argv[optind]);
- if (max_width == 0) {
- usage();
- fprintf(stderr, "Bad -Cw option: %s\n",
- argv[optind]);
- exit(1);
- }
- }
- } else {
- usage();
- fprintf(stderr, "Bad -Cw option: no argument given\n");
- exit(1);
- }
- optind++;
- break;
- case 'f':
- if (optind < argc) {
- field_separator = argv[optind];
- } else {
- usage();
- fprintf(stderr, "Bad -Cf option: no argument given\n");
- exit(1);
- }
- optind++;
- break;
- case 'h':
- headers_only = 1;
- break;
- case 'H':
- no_headers = 1;
- break;
- case 'B':
- use_getbulk = 0;
- break;
- case 'b':
- brief = 1;
- break;
- case 'i':
- show_index = 1;
- break;
- default:
- fprintf(stderr, "Bad option after -C: %c\n", optarg[-1]);
- usage();
- }
- }
- break;
- }
-}
-
-void
-usage(void)
-{
- fprintf(stderr, "USAGE: snmptable ");
- snmp_parse_args_usage(stderr);
- fprintf(stderr, " TABLE-OID\n\n");
- snmp_parse_args_descriptions(stderr);
- fprintf(stderr,
- " -C APPOPTS\t\tSet various application specific behaviours:\n");
- fprintf(stderr, "\t\t\t b: brief field names\n");
- fprintf(stderr, "\t\t\t B: do not use GETBULK requests\n");
- fprintf(stderr, "\t\t\t f<STR>: print table delimitied with <STR>\n");
- fprintf(stderr, "\t\t\t h: print only the column headers\n");
- fprintf(stderr, "\t\t\t H: print no column headers\n");
- fprintf(stderr, "\t\t\t i: print index values\n");
- fprintf(stderr, "\t\t\t w<NUM>: print table in parts of <NUM> chars width\n");
-}
-
-void
-reverse_fields(void)
-{
- struct column tmp;
- int i;
-
- for (i = 0; i < fields / 2; i++) {
- memcpy(&tmp, &(column[i]), sizeof(struct column));
- memcpy(&(column[i]), &(column[fields - 1 - i]),
- sizeof(struct column));
- memcpy(&(column[fields - 1 - i]), &tmp, sizeof(struct column));
- }
-}
-
-int
-main(int argc, char *argv[])
-{
- netsnmp_session session, *ss;
- char *tblname;
-
- setvbuf(stdout, NULL, _IOLBF, 1024);
- netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID,
- NETSNMP_DS_LIB_QUICK_PRINT, 1);
-
- /*
- * get the common command line arguments
- */
- switch (snmp_parse_args(argc, argv, &session, "C:", optProc)) {
- case -2:
- exit(0);
- case -1:
- usage();
- exit(1);
- default:
- break;
- }
-
- /*
- * get the initial object and subtree
- */
- /*
- * specified on the command line
- */
- if (optind + 1 != argc) {
- fprintf(stderr, "Must have exactly one table name\n");
- usage();
- }
-
- rootlen = MAX_OID_LEN;
- if (!snmp_parse_oid(argv[optind], root, &rootlen)) {
- snmp_perror(argv[optind]);
- exit(1);
- }
- localdebug = netsnmp_ds_get_boolean(NETSNMP_DS_LIBRARY_ID,
- NETSNMP_DS_LIB_DUMP_PACKET);
- tblname = strrchr(argv[optind], '.');
- if (!tblname)
- tblname = strrchr(argv[optind], ':');
- if (tblname)
- ++tblname;
- else
- tblname = argv[optind];
-
- get_field_names(tblname);
- reverse_fields();
-
- /*
- * open an SNMP session
- */
- SOCK_STARTUP;
- ss = snmp_open(&session);
- if (ss == NULL) {
- /*
- * diagnose snmp_open errors with the input netsnmp_session pointer
- */
- snmp_sess_perror("snmptable", &session);
- SOCK_CLEANUP;
- exit(1);
- }
-
- if (ss->version == SNMP_VERSION_1)
- use_getbulk = 0;
- if (!headers_only) {
- if (use_getbulk)
- getbulk_table_entries(ss);
- else
- get_table_entries(ss);
- }
-
- snmp_close(ss);
- SOCK_CLEANUP;
- if (exitval)
- return exitval;
-
- if (entries || headers_only)
- print_table();
- else
- printf("%s: No entries\n", table_name);
-
- return 0;
-}
-
-void
-print_table(void)
-{
- int entry, field, first_field, last_field =
- 0, width, part = 0;
- char **dp;
- char string_buf[SPRINT_MAX_LEN];
- char *index_fmt = NULL;
-
- if (!no_headers && !headers_only)
- printf("SNMP table: %s\n\n", table_name);
-
- for (field = 0; field < fields; field++) {
- if (field_separator == NULL)
- sprintf(string_buf, "%%%ds", column[field].width + 1);
- else if (field == 0 && !show_index)
- sprintf(string_buf, "%%s");
- else
- sprintf(string_buf, "%s%%s", field_separator);
- column[field].fmt = strdup(string_buf);
- }
- if (show_index) {
- if (field_separator == NULL)
- sprintf(string_buf, "%%%ds", index_width);
- else
- sprintf(string_buf, "%%s");
- index_fmt = strdup(string_buf);
- }
-
- while (last_field != fields) {
- part++;
- if (part != 1 && !no_headers)
- printf("\nSNMP table %s, part %d\n\n", table_name, part);
- first_field = last_field;
- dp = data;
- if (show_index && !no_headers) {
- width = index_width;
- printf(index_fmt, "index");
- } else
- width = 0;
- for (field = first_field; field < fields; field++) {
- width += column[field].width + 1;
- if (field != first_field && width > max_width
- && max_width != 0)
- break;
- if (!no_headers)
- printf(column[field].fmt, column[field].label);
- }
- last_field = field;
- if (!no_headers)
- printf("\n");
- for (entry = 0; entry < entries; entry++) {
- if (show_index)
- printf(index_fmt, indices[entry]);
- for (field = first_field; field < last_field; field++) {
- printf(column[field].fmt, dp[field] ? dp[field] : "?");
- }
- dp += fields;
- printf("\n");
- }
- }
-}
-
-void
-get_field_names(char *tblname)
-{
- u_char *buf = NULL, *name_p = NULL;
- size_t buf_len = 0, out_len = 0;
- struct tree *tbl = NULL;
- int going = 1;
-
- tbl = find_tree_node(tblname, -1);
- if (tbl) {
- tbl = tbl->child_list;
- if (tbl) {
- root[rootlen++] = tbl->subid;
- tbl = tbl->child_list;
- } else {
- root[rootlen++] = 1;
- }
- }
-
- if (sprint_realloc_objid
- (&buf, &buf_len, &out_len, 1, root, rootlen - 1)) {
- table_name = buf;
- buf = NULL;
- buf_len = out_len = 0;
- } else {
- table_name = strdup("[TRUNCATED]");
- out_len = 0;
- }
-
- fields = 0;
- while (going) {
- fields++;
- if (tbl) {
- if (tbl->access == MIB_ACCESS_NOACCESS) {
- fields--;
- tbl = tbl->next_peer;
- if (!tbl) {
- going = 0;
- }
- continue;
- }
- root[rootlen] = tbl->subid;
- tbl = tbl->next_peer;
- if (!tbl)
- going = 0;
- } else {
- root[rootlen] = fields;
- }
- out_len = 0;
- if (sprint_realloc_objid
- (&buf, &buf_len, &out_len, 1, root, rootlen + 1)) {
- name_p = strrchr(buf, '.');
- if (name_p == NULL) {
- name_p = strrchr(buf, ':');
- }
- if (name_p == NULL) {
- name_p = buf;
- } else {
- name_p++;
- }
- } else {
- break;
- }
- if (localdebug) {
- printf("%s %c\n", buf, name_p[0]);
- }
- if ('0' <= name_p[0] && name_p[0] <= '9') {
- fields--;
- break;
- }
- if (fields == 1) {
- column = (struct column *) malloc(sizeof(*column));
- } else {
- column =
- (struct column *) realloc(column,
- fields * sizeof(*column));
- }
- column[fields - 1].label = strdup(name_p);
- column[fields - 1].width = strlen(name_p);
- column[fields - 1].subid = root[rootlen];
- }
- if (fields == 0) {
- fprintf(stderr, "Was that a table? %s\n", buf);
- exit(1);
- }
- *name_p = 0;
- memmove(name, root, rootlen * sizeof(oid));
- name_length = rootlen + 1;
- name_p = strrchr(buf, '.');
- if (name_p == NULL) {
- name_p = strrchr(buf, ':');
- }
- if (name_p != NULL) {
- *name_p = 0;
- }
- if (brief && fields > 1) {
- char *f1, *f2;
- int common = strlen(column[0].label);
- int field, len;
- for (field = 1; field < fields; field++) {
- f1 = column[field - 1].label;
- f2 = column[field].label;
- while (*f1 && *f1++ == *f2++);
- len = f2 - column[field].label - 1;
- if (len < common)
- common = len;
- }
- if (common) {
- for (field = 0; field < fields; field++) {
- column[field].label += common;
- column[field].width -= common;
- }
- }
- }
- if (buf != NULL) {
- free(buf);
- }
-}
-
-void
-get_table_entries(netsnmp_session * ss)
-{
- int running = 1;
- netsnmp_pdu *pdu, *response;
- netsnmp_variable_list *vars;
- int count;
- int status;
- int i;
- int col;
- u_char *buf = NULL;
- size_t out_len = 0, buf_len = 0;
- char *cp;
- char *name_p = NULL;
- char **dp;
- int end_of_table = 0;
- int have_current_index;
-
- /*
- * TODO:
- * 1) Deal with multiple index fields
- * 2) Deal with variable length index fields
- * 3) optimize to remove a sparse column from get-requests
- */
-
- while (running) {
- /*
- * create PDU for GETNEXT request and add object name to request
- */
- pdu = snmp_pdu_create(SNMP_MSG_GETNEXT);
- for (i = 1; i <= fields; i++) {
- name[rootlen] = column[i - 1].subid;
- snmp_add_null_var(pdu, name, name_length);
- }
-
- /*
- * do the request
- */
- status = snmp_synch_response(ss, pdu, &response);
- if (status == STAT_SUCCESS) {
- if (response->errstat == SNMP_ERR_NOERROR) {
- /*
- * check resulting variables
- */
- vars = response->variables;
- entries++;
- if (entries >= allocated) {
- if (allocated == 0) {
- allocated = 10;
- data =
- (char **) malloc(allocated * fields *
- sizeof(char *));
- memset(data, 0,
- allocated * fields * sizeof(char *));
- if (show_index)
- indices =
- (char **) malloc(allocated *
- sizeof(char *));
- } else {
- allocated += 10;
- data =
- (char **) realloc(data,
- allocated * fields *
- sizeof(char *));
- memset(data + entries * fields, 0,
- (allocated -
- entries) * fields * sizeof(char *));
- if (show_index)
- indices =
- (char **) realloc(indices,
- allocated *
- sizeof(char *));
- }
- }
- dp = data + (entries - 1) * fields;
- col = -1;
- end_of_table = 1; /* assume end of table */
- have_current_index = 0;
- name_length = rootlen + 1;
- for (vars = response->variables; vars;
- vars = vars->next_variable) {
- col++;
- name[rootlen] = column[col].subid;
- if ((vars->name_length < name_length) ||
- ((int) vars->name[rootlen] != column[col].subid) ||
- memcmp(name, vars->name,
- name_length * sizeof(oid)) != 0
- || vars->type == SNMP_ENDOFMIBVIEW) {
- /*
- * not part of this subtree
- */
- if (localdebug) {
- fprint_variable(stderr, vars->name,
- vars->name_length, vars);
- fprintf(stderr, " => ignored\n");
- }
- continue;
- }
-
- /*
- * save index off
- */
- if (!have_current_index) {
- end_of_table = 0;
- have_current_index = 1;
- name_length = vars->name_length;
- memcpy(name, vars->name,
- name_length * sizeof(oid));
- out_len = 0;
- if (!sprint_realloc_objid
- (&buf, &buf_len, &out_len, 1, vars->name,
- vars->name_length)) {
- break;
- }
- i = vars->name_length - rootlen + 1;
- if (localdebug || show_index) {
- if (netsnmp_ds_get_boolean(NETSNMP_DS_LIBRARY_ID,
- NETSNMP_DS_LIB_EXTENDED_INDEX)) {
- name_p = strchr(buf, '[');
- } else {
- switch (netsnmp_ds_get_int(NETSNMP_DS_LIBRARY_ID,
- NETSNMP_DS_LIB_OID_OUTPUT_FORMAT)) {
- case NETSNMP_OID_OUTPUT_MODULE:
- case 0:
- name_p = strrchr(buf, ':');
- break;
- case NETSNMP_OID_OUTPUT_SUFFIX:
- name_p = buf;
- break;
- case NETSNMP_OID_OUTPUT_FULL:
- case NETSNMP_OID_OUTPUT_NUMERIC:
- case NETSNMP_OID_OUTPUT_UCD:
- name_p = buf + strlen(table_name)+1;
- name_p = strchr(name_p, '.')+1;
- break;
- default:
- fprintf(stderr, "Unrecognized -O option: %d\n",
- netsnmp_ds_get_int(NETSNMP_DS_LIBRARY_ID,
- NETSNMP_DS_LIB_OID_OUTPUT_FORMAT));
- exit(1);
- }
- name_p = strchr(name_p, '.') + 1;
- }
- }
- if (localdebug) {
- printf("Name: %s Index: %s\n", buf, name_p);
- }
- if (show_index) {
- indices[entries - 1] = strdup(name_p);
- i = strlen(name_p);
- if (i > index_width)
- index_width = i;
- }
- }
-
- if (localdebug && buf) {
- printf("%s => taken\n", buf);
- }
- out_len = 0;
- sprint_realloc_value(&buf, &buf_len, &out_len, 1,
- vars->name, vars->name_length,
- vars);
- for (cp = buf; *cp; cp++) {
- if (*cp == '\n') {
- *cp = ' ';
- }
- }
- dp[col] = buf;
- i = out_len;
- buf = NULL;
- buf_len = 0;
- if (i > column[col].width) {
- column[col].width = i;
- }
- }
-
- if (end_of_table) {
- --entries;
- /*
- * not part of this subtree
- */
- if (localdebug) {
- printf("End of table: %s\n",
- buf ? (char *) buf : "[NIL]");
- }
- running = 0;
- continue;
- }
- } else {
- /*
- * error in response, print it
- */
- running = 0;
- if (response->errstat == SNMP_ERR_NOSUCHNAME) {
- printf("End of MIB\n");
- } else {
- fprintf(stderr, "Error in packet.\nReason: %s\n",
- snmp_errstring(response->errstat));
- if (response->errindex != 0) {
- fprintf(stderr, "Failed object: ");
- for (count = 1, vars = response->variables;
- vars && count != response->errindex;
- vars = vars->next_variable, count++)
- /*EMPTY*/;
- if (vars) {
- fprint_objid(stderr, vars->name,
- vars->name_length);
- }
- fprintf(stderr, "\n");
- }
- exitval = 2;
- }
- }
- } else if (status == STAT_TIMEOUT) {
- fprintf(stderr, "Timeout: No Response from %s\n",
- ss->peername);
- running = 0;
- exitval = 1;
- } else { /* status == STAT_ERROR */
- snmp_sess_perror("snmptable", ss);
- running = 0;
- exitval = 1;
- }
- if (response)
- snmp_free_pdu(response);
- }
-}
-
-void
-getbulk_table_entries(netsnmp_session * ss)
-{
- int running = 1;
- netsnmp_pdu *pdu, *response;
- netsnmp_variable_list *vars, *last_var;
- int count;
- int status;
- int i;
- int row, col;
- u_char *buf = NULL;
- size_t buf_len = 0, out_len = 0;
- char *cp;
- char *name_p = NULL;
- char **dp;
-
- while (running) {
- /*
- * create PDU for GETNEXT request and add object name to request
- */
- pdu = snmp_pdu_create(SNMP_MSG_GETBULK);
- pdu->non_repeaters = 0;
- pdu->max_repetitions = max_getbulk;
- snmp_add_null_var(pdu, name, name_length);
-
- /*
- * do the request
- */
- status = snmp_synch_response(ss, pdu, &response);
- if (status == STAT_SUCCESS) {
- if (response->errstat == SNMP_ERR_NOERROR) {
- /*
- * check resulting variables
- */
- vars = response->variables;
- last_var = NULL;
- while (vars) {
- out_len = 0;
- sprint_realloc_objid(&buf, &buf_len, &out_len, 1,
- vars->name, vars->name_length);
- if (vars->type == SNMP_ENDOFMIBVIEW ||
- memcmp(vars->name, name,
- rootlen * sizeof(oid)) != 0) {
- if (localdebug) {
- printf("%s => end of table\n",
- buf ? (char *) buf : "[NIL]");
- }
- running = 0;
- break;
- }
- if (localdebug) {
- printf("%s => taken\n",
- buf ? (char *) buf : "[NIL]");
- }
- if (netsnmp_ds_get_boolean(NETSNMP_DS_LIBRARY_ID,
- NETSNMP_DS_LIB_EXTENDED_INDEX)) {
- name_p = strchr(buf, '[');
- } else {
- switch (netsnmp_ds_get_int(NETSNMP_DS_LIBRARY_ID,
- NETSNMP_DS_LIB_OID_OUTPUT_FORMAT)) {
- case NETSNMP_OID_OUTPUT_MODULE:
- case 0:
- name_p = strrchr(buf, ':');
- break;
- case NETSNMP_OID_OUTPUT_SUFFIX:
- name_p = buf;
- break;
- case NETSNMP_OID_OUTPUT_FULL:
- case NETSNMP_OID_OUTPUT_NUMERIC:
- case NETSNMP_OID_OUTPUT_UCD:
- name_p = buf + strlen(table_name)+1;
- name_p = strchr(name_p, '.')+1;
- break;
- default:
- fprintf(stderr, "Unrecognized -O option: %d\n",
- netsnmp_ds_get_int(NETSNMP_DS_LIBRARY_ID,
- NETSNMP_DS_LIB_OID_OUTPUT_FORMAT));
- exit(1);
- }
- name_p = strchr(name_p, '.') + 1;
- }
- for (row = 0; row < entries; row++)
- if (strcmp(name_p, indices[row]) == 0)
- break;
- if (row == entries) {
- entries++;
- if (entries >= allocated) {
- if (allocated == 0) {
- allocated = 10;
- data =
- (char **) malloc(allocated * fields *
- sizeof(char *));
- memset(data, 0,
- allocated * fields *
- sizeof(char *));
- indices =
- (char **) malloc(allocated *
- sizeof(char *));
- } else {
- allocated += 10;
- data =
- (char **) realloc(data,
- allocated * fields *
- sizeof(char *));
- memset(data + entries * fields, 0,
- (allocated -
- entries) * fields *
- sizeof(char *));
- indices =
- (char **) realloc(indices,
- allocated *
- sizeof(char *));
- }
- }
- indices[row] = strdup(name_p);
- i = strlen(name_p);
- if (i > index_width)
- index_width = i;
- }
- dp = data + row * fields;
- out_len = 0;
- sprint_realloc_value(&buf, &buf_len, &out_len, 1,
- vars->name, vars->name_length,
- vars);
- for (cp = buf; *cp; cp++)
- if (*cp == '\n')
- *cp = ' ';
- for (col = 0; col < fields; col++)
- if (column[col].subid == vars->name[rootlen])
- break;
- dp[col] = buf;
- i = out_len;
- buf = NULL;
- buf_len = 0;
- if (i > column[col].width)
- column[col].width = i;
- last_var = vars;
- vars = vars->next_variable;
- }
- if (last_var) {
- name_length = last_var->name_length;
- memcpy(name, last_var->name,
- name_length * sizeof(oid));
- }
- } else {
- /*
- * error in response, print it
- */
- running = 0;
- if (response->errstat == SNMP_ERR_NOSUCHNAME) {
- printf("End of MIB\n");
- } else {
- fprintf(stderr, "Error in packet.\nReason: %s\n",
- snmp_errstring(response->errstat));
- if (response->errstat == SNMP_ERR_NOSUCHNAME) {
- fprintf(stderr,
- "The request for this object identifier failed: ");
- for (count = 1, vars = response->variables;
- vars && count != response->errindex;
- vars = vars->next_variable, count++)
- /*EMPTY*/;
- if (vars) {
- fprint_objid(stderr, vars->name,
- vars->name_length);
- }
- fprintf(stderr, "\n");
- }
- exitval = 2;
- }
- }
- } else if (status == STAT_TIMEOUT) {
- fprintf(stderr, "Timeout: No Response from %s\n",
- ss->peername);
- running = 0;
- exitval = 1;
- } else { /* status == STAT_ERROR */
- snmp_sess_perror("snmptable", ss);
- running = 0;
- exitval = 1;
- }
- if (response)
- snmp_free_pdu(response);
- }
-}
projects / bcm963xx.git / blobdiff