int main (int argc, char **argv)
{
int argi;
char *configfn = NULL;
int cfgcheck = 0;
int mibcheck = 0;
libxymon_init(argv[0]);
for (argi = 1; (argi < argc); argi++) {
if (standardoption(argv[argi])) {
if (showhelp) return 0;
}
else if (strcmp(argv[argi], "--cfgcheck") == 0) {
cfgcheck = 1;
}
else if (strcmp(argv[argi], "--mibcheck") == 0) {
mibcheck = 1;
}
else if (argnmatch(argv[argi], "--timeout=")) {
char *p = strchr(argv[argi], '=');
timeout = 1000000*atoi(p+1);
}
else if (argnmatch(argv[argi], "--retries=")) {
char *p = strchr(argv[argi], '=');
retries = atoi(p+1);
}
else if (argnmatch(argv[argi], "--concurrency=")) {
char *p = strchr(argv[argi], '=');
max_pending_requests = atoi(p+1);
}
else if (argnmatch(argv[argi], "--report=")) {
char *p = strchr(argv[argi], '=');
reportcolumn = strdup(p+1);
timing = 1;
}
else if (*argv[argi] != '-') {
configfn = strdup(argv[argi]);
}
}
add_timestamp("xymon-snmpcollect startup");
netsnmp_register_loghandler(NETSNMP_LOGHANDLER_STDERR, 7);
init_snmp("xymon-snmpcollect");
snmp_mib_toggle_options("e"); /* Like -Pe: Dont show MIB parsing errors */
snmp_out_toggle_options("qn"); /* Like -Oqn: OID's printed as numbers, values printed without type */
readmibs(NULL, mibcheck);
if (configfn == NULL) {
configfn = (char *)malloc(PATH_MAX);
sprintf(configfn, "%s/etc/snmphosts.cfg", xgetenv("XYMONHOME"));
}
readconfig(configfn, mibcheck);
if (cfgcheck) return 0;
add_timestamp("Configuration loaded");
resolvekeys();
add_timestamp("Keys lookup complete");
getdata();
stophosts();
add_timestamp("Data retrieved");
sendresult();
add_timestamp("Results transmitted");
if (reportcolumn) egoresult(COL_GREEN, reportcolumn);
xfree(configfn);
return 0;
}
int
main(int argc, char *argv[])
{
int arg;
char *current_name = NULL, *cp = NULL;
oid name[MAX_OID_LEN];
size_t name_length;
int description = 0;
int print = 0;
int find_all = 0;
int width = 1000000;
/*
* usage: snmptranslate name
*/
while ((arg = getopt(argc, argv, "Vhm:M:w:D:P:T:O:I:L:")) != EOF) {
switch (arg) {
case 'h':
usage();
exit(1);
case 'm':
setenv("MIBS", optarg, 1);
break;
case 'M':
setenv("MIBDIRS", optarg, 1);
break;
case 'D':
debug_register_tokens(optarg);
snmp_set_do_debugging(1);
break;
case 'V':
fprintf(stderr, "NET-SNMP version: %s\n",
netsnmp_get_version());
exit(0);
break;
case 'w':
width = atoi(optarg);
if (width <= 0) {
fprintf(stderr, "Invalid width specification: %s\n", optarg);
exit (1);
}
break;
#ifndef NETSNMP_DISABLE_MIB_LOADING
case 'P':
cp = snmp_mib_toggle_options(optarg);
if (cp != NULL) {
fprintf(stderr, "Unknown parser option to -P: %c.\n", *cp);
usage();
exit(1);
}
break;
#endif /* NETSNMP_DISABLE_MIB_LOADING */
case 'O':
cp = snmp_out_toggle_options(optarg);
if (cp != NULL) {
fprintf(stderr, "Unknown OID option to -O: %c.\n", *cp);
usage();
exit(1);
}
break;
case 'I':
cp = snmp_in_toggle_options(optarg);
if (cp != NULL) {
fprintf(stderr, "Unknown OID option to -I: %c.\n", *cp);
usage();
exit(1);
}
break;
case 'T':
for (cp = optarg; *cp; cp++) {
switch (*cp) {
#ifndef NETSNMP_DISABLE_MIB_LOADING
case 'l':
print = 3;
print_oid_report_enable_labeledoid();
break;
case 'o':
print = 3;
print_oid_report_enable_oid();
break;
case 's':
print = 3;
print_oid_report_enable_symbolic();
break;
case 't':
print = 3;
print_oid_report_enable_suffix();
break;
case 'z':
print = 3;
print_oid_report_enable_mibchildoid();
break;
#endif /* NETSNMP_DISABLE_MIB_LOADING */
case 'd':
description = 1;
snmp_set_save_descriptions(1);
break;
case 'B':
find_all = 1;
break;
case 'p':
print = 1;
break;
case 'a':
print = 2;
break;
default:
fprintf(stderr, "Invalid -T<lostpad> character: %c\n",
*cp);
usage();
exit(1);
break;
}
}
break;
case 'L':
if (snmp_log_options(optarg, argc, argv) < 0) {
return (-1);
}
break;
default:
fprintf(stderr, "invalid option: -%c\n", arg);
usage();
exit(1);
break;
}
}
init_snmp("snmpapp");
if (optind < argc)
current_name = argv[optind];
if (current_name == NULL) {
switch (print) {
default:
usage();
exit(1);
#ifndef NETSNMP_DISABLE_MIB_LOADING
case 1:
print_mib_tree(stdout, get_tree_head(), width);
break;
case 2:
print_ascii_dump(stdout);
break;
case 3:
print_oid_report(stdout);
break;
#endif /* NETSNMP_DISABLE_MIB_LOADING */
}
exit(0);
}
do {
name_length = MAX_OID_LEN;
if (snmp_get_random_access()) {
#ifndef NETSNMP_DISABLE_MIB_LOADING
if (!get_node(current_name, name, &name_length)) {
#endif /* NETSNMP_DISABLE_MIB_LOADING */
fprintf(stderr, "Unknown object identifier: %s\n",
current_name);
exit(2);
#ifndef NETSNMP_DISABLE_MIB_LOADING
}
#endif /* NETSNMP_DISABLE_MIB_LOADING */
} else if (find_all) {
if (0 == show_all_matched_objects(stdout, current_name,
name, &name_length,
description, width)) {
fprintf(stderr,
"Unable to find a matching object identifier for \"%s\"\n",
current_name);
exit(1);
}
exit(0);
} else if (netsnmp_ds_get_boolean(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_REGEX_ACCESS)) {
#ifndef NETSNMP_DISABLE_MIB_LOADING
if (0 == get_wild_node(current_name, name, &name_length)) {
#endif /* NETSNMP_DISABLE_MIB_LOADING */
fprintf(stderr,
"Unable to find a matching object identifier for \"%s\"\n",
current_name);
exit(1);
#ifndef NETSNMP_DISABLE_MIB_LOADING
}
#endif /* NETSNMP_DISABLE_MIB_LOADING */
} else {
if (!read_objid(current_name, name, &name_length)) {
snmp_perror(current_name);
exit(2);
}
}
if (print == 1) {
#ifndef NETSNMP_DISABLE_MIB_LOADING
struct tree *tp;
tp = get_tree(name, name_length, get_tree_head());
if (tp == NULL) {
#endif /* NETSNMP_DISABLE_MIB_LOADING */
snmp_log(LOG_ERR,
"Unable to find a matching object identifier for \"%s\"\n",
current_name);
exit(1);
#ifndef NETSNMP_DISABLE_MIB_LOADING
}
print_mib_tree(stdout, tp, width);
#endif /* NETSNMP_DISABLE_MIB_LOADING */
} else {
print_objid(name, name_length);
if (description) {
#ifndef NETSNMP_DISABLE_MIB_LOADING
print_description(name, name_length, width);
#endif /* NETSNMP_DISABLE_MIB_LOADING */
}
}
current_name = argv[++optind];
if (current_name != NULL)
printf("\n");
} while (optind < argc);
return (0);
}
int
netsnmp_parse_args(int argc,
char **argv,
netsnmp_session * session, const char *localOpts,
void (*proc) (int, char *const *, int),
int flags)
{
static char *sensitive[4] = { NULL, NULL, NULL, NULL };
int arg, sp = 0, testcase = 0;
char *cp;
char *Apsz = NULL;
char *Xpsz = NULL;
char *Cpsz = NULL;
char Opts[BUF_SIZE];
int zero_sensitive = !( flags & NETSNMP_PARSE_ARGS_NOZERO );
char *backup_NETSNMP_DS_LIB_OUTPUT_PRECISION = NULL;
/*
* initialize session to default values
*/
snmp_sess_init(session);
strcpy(Opts, "Y:VhHm:M:O:I:P:D:dv:r:t:c:Z:e:E:n:u:l:x:X:a:A:p:T:-:3:s:S:L:");
if (localOpts) {
if (strlen(localOpts) + strlen(Opts) >= sizeof(Opts)) {
snmp_log(LOG_ERR, "Too many localOpts in snmp_parse_args()\n");
return -1;
}
strcat(Opts, localOpts);
}
/*
* get the options
*/
DEBUGMSGTL(("snmp_parse_args", "starting: %d/%d\n", optind, argc));
for (arg = 0; arg < argc; arg++) {
DEBUGMSGTL(("snmp_parse_args", " arg %d = %s\n", arg, argv[arg]));
}
optind = 1;
while ((arg = getopt(argc, argv, Opts)) != EOF) {
DEBUGMSGTL(("snmp_parse_args", "handling (#%d): %c\n", optind, arg));
switch (arg) {
case '-':
if (strcasecmp(optarg, "help") == 0) {
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
}
if (strcasecmp(optarg, "version") == 0) {
fprintf(stderr,"NET-SNMP version: %s\n",netsnmp_get_version());
return (NETSNMP_PARSE_ARGS_SUCCESS_EXIT);
}
handle_long_opt(optarg);
break;
case 'V':
fprintf(stderr, "NET-SNMP version: %s\n", netsnmp_get_version());
return (NETSNMP_PARSE_ARGS_SUCCESS_EXIT);
case 'h':
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
break;
case 'H':
init_snmp("snmpapp");
fprintf(stderr, "Configuration directives understood:\n");
read_config_print_usage(" ");
return (NETSNMP_PARSE_ARGS_SUCCESS_EXIT);
case 'Y':
netsnmp_config_remember(optarg);
break;
#ifndef NETSNMP_DISABLE_MIB_LOADING
case 'm':
setenv("MIBS", optarg, 1);
break;
case 'M':
netsnmp_get_mib_directory(); /* prepare the default directories */
netsnmp_set_mib_directory(optarg);
break;
#endif /* NETSNMP_DISABLE_MIB_LOADING */
case 'O':
cp = snmp_out_options(optarg, argc, argv);
if (cp != NULL) {
fprintf(stderr, "Unknown output option passed to -O: %c.\n",
*cp);
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
}
break;
case 'I':
cp = snmp_in_options(optarg, argc, argv);
if (cp != NULL) {
fprintf(stderr, "Unknown input option passed to -I: %c.\n",
*cp);
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
}
break;
#ifndef NETSNMP_DISABLE_MIB_LOADING
case 'P':
cp = snmp_mib_toggle_options(optarg);
if (cp != NULL) {
fprintf(stderr,
"Unknown parsing option passed to -P: %c.\n", *cp);
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
}
break;
#endif /* NETSNMP_DISABLE_MIB_LOADING */
case 'D':
debug_register_tokens(optarg);
snmp_set_do_debugging(1);
break;
case 'd':
netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_DUMP_PACKET, 1);
break;
case 'v':
session->version = -1;
#ifndef NETSNMP_DISABLE_SNMPV1
if (!strcmp(optarg, "1")) {
session->version = SNMP_VERSION_1;
}
#endif
#ifndef NETSNMP_DISABLE_SNMPV2C
if (!strcasecmp(optarg, "2c")) {
session->version = SNMP_VERSION_2c;
}
#endif
if (!strcasecmp(optarg, "3")) {
session->version = SNMP_VERSION_3;
}
if (session->version == -1) {
fprintf(stderr,
"Invalid version specified after -v flag: %s\n",
optarg);
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
}
break;
case 'p':
fprintf(stderr, "Warning: -p option is no longer used - ");
fprintf(stderr, "specify the remote host as HOST:PORT\n");
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
break;
case 'T':
{
char leftside[SNMP_MAXBUF_MEDIUM], rightside[SNMP_MAXBUF_MEDIUM];
char *tmpcp, *tmpopt;
/* ensure we have a proper argument */
tmpopt = strdup(optarg);
tmpcp = strchr(tmpopt, '=');
if (!tmpcp) {
fprintf(stderr, "-T expects a NAME=VALUE pair.\n");
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
}
*tmpcp++ = '\0';
/* create the transport config container if this is the first */
if (!session->transport_configuration) {
netsnmp_container_init_list();
session->transport_configuration =
netsnmp_container_find("transport_configuration:fifo");
if (!session->transport_configuration) {
fprintf(stderr, "failed to initialize the transport configuration container\n");
free(tmpopt);
return (NETSNMP_PARSE_ARGS_ERROR);
}
session->transport_configuration->compare =
(netsnmp_container_compare*)
netsnmp_transport_config_compare;
}
/* set the config */
strlcpy(leftside, tmpopt, sizeof(leftside));
strlcpy(rightside, tmpcp, sizeof(rightside));
CONTAINER_INSERT(session->transport_configuration,
netsnmp_transport_create_config(leftside,
rightside));
free(tmpopt);
}
break;
case 't':
session->timeout = (long)(atof(optarg) * 1000000L);
if (session->timeout <= 0) {
fprintf(stderr, "Invalid timeout in seconds after -t flag.\n");
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
}
break;
case 'r':
session->retries = atoi(optarg);
if (session->retries < 0 || !isdigit((unsigned char)(optarg[0]))) {
fprintf(stderr, "Invalid number of retries after -r flag.\n");
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
}
break;
case 'c':
if (zero_sensitive) {
if ((sensitive[sp] = strdup(optarg)) != NULL) {
Cpsz = sensitive[sp];
memset(optarg, '\0', strlen(optarg));
sp++;
} else {
fprintf(stderr, "malloc failure processing -c flag.\n");
return NETSNMP_PARSE_ARGS_ERROR;
}
} else {
Cpsz = optarg;
}
break;
case '3':
/* TODO: This needs to zero things too. */
if (snmpv3_options(optarg, session, &Apsz, &Xpsz, argc, argv) < 0){
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
}
break;
case 'L':
if (snmp_log_options(optarg, argc, argv) < 0) {
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
}
break;
#define SNMPV3_CMD_OPTIONS
#ifdef SNMPV3_CMD_OPTIONS
case 'Z':
errno = 0;
session->engineBoots = strtoul(optarg, &cp, 10);
if (errno || cp == optarg) {
fprintf(stderr, "Need engine boots value after -Z flag.\n");
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
}
if (*cp == ',') {
char *endptr;
cp++;
session->engineTime = strtoul(cp, &endptr, 10);
if (errno || cp == endptr) {
fprintf(stderr, "Need engine time after \"-Z engineBoot,\".\n");
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
}
}
/*
* Handle previous '-Z boot time' syntax
*/
else if (optind < argc) {
session->engineTime = strtoul(argv[optind], &cp, 10);
if (errno || cp == argv[optind]) {
fprintf(stderr, "Need engine time after \"-Z engineBoot\".\n");
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
}
} else {
fprintf(stderr, "Need engine time after \"-Z engineBoot\".\n");
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
}
break;
case 'e':{
size_t ebuf_len = 32, eout_len = 0;
u_char *ebuf = (u_char *)malloc(ebuf_len);
if (ebuf == NULL) {
fprintf(stderr, "malloc failure processing -e flag.\n");
return (NETSNMP_PARSE_ARGS_ERROR);
}
if (!snmp_hex_to_binary
(&ebuf, &ebuf_len, &eout_len, 1, optarg)) {
fprintf(stderr, "Bad engine ID value after -e flag.\n");
free(ebuf);
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
}
if ((eout_len < 5) || (eout_len > 32)) {
fprintf(stderr, "Invalid engine ID value after -e flag.\n");
free(ebuf);
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
}
session->securityEngineID = ebuf;
session->securityEngineIDLen = eout_len;
break;
}
case 'E':{
size_t ebuf_len = 32, eout_len = 0;
u_char *ebuf = (u_char *)malloc(ebuf_len);
if (ebuf == NULL) {
fprintf(stderr, "malloc failure processing -E flag.\n");
return (NETSNMP_PARSE_ARGS_ERROR);
}
if (!snmp_hex_to_binary(&ebuf, &ebuf_len,
&eout_len, 1, optarg)) {
fprintf(stderr, "Bad engine ID value after -E flag.\n");
free(ebuf);
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
}
if ((eout_len < 5) || (eout_len > 32)) {
fprintf(stderr, "Invalid engine ID value after -E flag.\n");
free(ebuf);
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
}
session->contextEngineID = ebuf;
session->contextEngineIDLen = eout_len;
break;
}
case 'n':
session->contextName = optarg;
session->contextNameLen = strlen(optarg);
break;
case 'u':
if (zero_sensitive) {
if ((sensitive[sp] = strdup(optarg)) != NULL) {
session->securityName = sensitive[sp];
session->securityNameLen = strlen(sensitive[sp]);
memset(optarg, '\0', strlen(optarg));
sp++;
} else {
fprintf(stderr, "malloc failure processing -u flag.\n");
return NETSNMP_PARSE_ARGS_ERROR;
}
} else {
session->securityName = optarg;
session->securityNameLen = strlen(optarg);
}
break;
case 'l':
if (!strcasecmp(optarg, "noAuthNoPriv") || !strcmp(optarg, "1")
|| !strcasecmp(optarg, "noauth")
|| !strcasecmp(optarg, "nanp")) {
session->securityLevel = SNMP_SEC_LEVEL_NOAUTH;
} else if (!strcasecmp(optarg, "authNoPriv")
|| !strcmp(optarg, "2")
|| !strcasecmp(optarg, "auth")
|| !strcasecmp(optarg, "anp")) {
session->securityLevel = SNMP_SEC_LEVEL_AUTHNOPRIV;
} else if (!strcasecmp(optarg, "authPriv")
|| !strcmp(optarg, "3")
|| !strcasecmp(optarg, "priv")
|| !strcasecmp(optarg, "ap")) {
session->securityLevel = SNMP_SEC_LEVEL_AUTHPRIV;
} else {
fprintf(stderr,
"Invalid security level specified after -l flag: %s\n",
optarg);
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
}
break;
#ifdef NETSNMP_SECMOD_USM
case 'a':
#ifndef NETSNMP_DISABLE_MD5
if (!strcasecmp(optarg, "MD5")) {
session->securityAuthProto = usmHMACMD5AuthProtocol;
session->securityAuthProtoLen = USM_AUTH_PROTO_MD5_LEN;
} else
#endif
if (!strcasecmp(optarg, "SHA")) {
session->securityAuthProto = usmHMACSHA1AuthProtocol;
session->securityAuthProtoLen = USM_AUTH_PROTO_SHA_LEN;
} else {
fprintf(stderr,
"Invalid authentication protocol specified after -a flag: %s\n",
optarg);
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
}
break;
case 'x':
testcase = 0;
#ifndef NETSNMP_DISABLE_DES
if (!strcasecmp(optarg, "DES")) {
testcase = 1;
session->securityPrivProto = usmDESPrivProtocol;
session->securityPrivProtoLen = USM_PRIV_PROTO_DES_LEN;
}
#endif
#ifdef HAVE_AES
if (!strcasecmp(optarg, "AES128") ||
!strcasecmp(optarg, "AES")) {
testcase = 1;
session->securityPrivProto = usmAESPrivProtocol;
session->securityPrivProtoLen = USM_PRIV_PROTO_AES_LEN;
}
#endif
if (testcase == 0) {
fprintf(stderr,
"Invalid privacy protocol specified after -x flag: %s\n",
optarg);
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
}
break;
case 'A':
if (zero_sensitive) {
if ((sensitive[sp] = strdup(optarg)) != NULL) {
Apsz = sensitive[sp];
memset(optarg, '\0', strlen(optarg));
sp++;
} else {
fprintf(stderr, "malloc failure processing -A flag.\n");
return NETSNMP_PARSE_ARGS_ERROR;
}
} else {
Apsz = optarg;
}
break;
case 'X':
if (zero_sensitive) {
if ((sensitive[sp] = strdup(optarg)) != NULL) {
Xpsz = sensitive[sp];
memset(optarg, '\0', strlen(optarg));
sp++;
} else {
fprintf(stderr, "malloc failure processing -X flag.\n");
return NETSNMP_PARSE_ARGS_ERROR;
}
} else {
Xpsz = optarg;
}
break;
#endif /* SNMPV3_CMD_OPTIONS */
#endif /* NETSNMP_SECMOD_USM */
case '?':
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
break;
default:
proc(argc, argv, arg);
break;
}
}
DEBUGMSGTL(("snmp_parse_args", "finished: %d/%d\n", optind, argc));
/*
* save command line parameters which should have precedence above config file settings
* (There ought to be a more scalable approach than this....)
*/
if (netsnmp_ds_get_string(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_OUTPUT_PRECISION)) {
backup_NETSNMP_DS_LIB_OUTPUT_PRECISION =
strdup(netsnmp_ds_get_string(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_OUTPUT_PRECISION));
}
/*
* read in MIB database and initialize the snmp library, read the config file
*/
init_snmp("snmpapp");
/*
* restore command line parameters which should have precedence above config file settings
*/
if(backup_NETSNMP_DS_LIB_OUTPUT_PRECISION) {
netsnmp_ds_set_string(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_OUTPUT_PRECISION, backup_NETSNMP_DS_LIB_OUTPUT_PRECISION);
free(backup_NETSNMP_DS_LIB_OUTPUT_PRECISION);
}
/*
* session default version
*/
if (session->version == SNMP_DEFAULT_VERSION) {
/*
* run time default version
*/
session->version = netsnmp_ds_get_int(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_SNMPVERSION);
/*
* compile time default version
*/
if (!session->version) {
switch (NETSNMP_DEFAULT_SNMP_VERSION) {
#ifndef NETSNMP_DISABLE_SNMPV1
case 1:
session->version = SNMP_VERSION_1;
break;
#endif
#ifndef NETSNMP_DISABLE_SNMPV2C
case 2:
session->version = SNMP_VERSION_2c;
break;
#endif
case 3:
session->version = SNMP_VERSION_3;
break;
default:
snmp_log(LOG_ERR, "Can't determine a valid SNMP version for the session\n");
return(NETSNMP_PARSE_ARGS_ERROR);
}
} else {
#ifndef NETSNMP_DISABLE_SNMPV1
if (session->version == NETSNMP_DS_SNMP_VERSION_1) /* bogus value. version 1 actually = 0 */
session->version = SNMP_VERSION_1;
#endif
}
}
#ifdef NETSNMP_SECMOD_USM
/* XXX: this should ideally be moved to snmpusm.c somehow */
/*
* make master key from pass phrases
*/
if (Apsz) {
session->securityAuthKeyLen = USM_AUTH_KU_LEN;
if (session->securityAuthProto == NULL) {
/*
* get .conf set default
*/
const oid *def =
get_default_authtype(&session->securityAuthProtoLen);
session->securityAuthProto =
snmp_duplicate_objid(def, session->securityAuthProtoLen);
}
if (session->securityAuthProto == NULL) {
#ifndef NETSNMP_DISABLE_MD5
/*
* assume MD5
*/
session->securityAuthProto =
snmp_duplicate_objid(usmHMACMD5AuthProtocol,
USM_AUTH_PROTO_MD5_LEN);
session->securityAuthProtoLen = USM_AUTH_PROTO_MD5_LEN;
#else
session->securityAuthProto =
snmp_duplicate_objid(usmHMACSHA1AuthProtocol,
USM_AUTH_PROTO_SHA_LEN);
session->securityAuthProtoLen = USM_AUTH_PROTO_SHA_LEN;
#endif
}
if (generate_Ku(session->securityAuthProto,
session->securityAuthProtoLen,
(u_char *) Apsz, strlen(Apsz),
session->securityAuthKey,
&session->securityAuthKeyLen) != SNMPERR_SUCCESS) {
snmp_perror(argv[0]);
fprintf(stderr,
"Error generating a key (Ku) from the supplied authentication pass phrase. \n");
return (NETSNMP_PARSE_ARGS_ERROR);
}
}
if (Xpsz) {
session->securityPrivKeyLen = USM_PRIV_KU_LEN;
if (session->securityPrivProto == NULL) {
/*
* get .conf set default
*/
const oid *def =
get_default_privtype(&session->securityPrivProtoLen);
session->securityPrivProto =
snmp_duplicate_objid(def, session->securityPrivProtoLen);
}
if (session->securityPrivProto == NULL) {
/*
* assume DES
*/
#ifndef NETSNMP_DISABLE_DES
session->securityPrivProto =
snmp_duplicate_objid(usmDESPrivProtocol,
USM_PRIV_PROTO_DES_LEN);
session->securityPrivProtoLen = USM_PRIV_PROTO_DES_LEN;
#else
session->securityPrivProto =
snmp_duplicate_objid(usmAESPrivProtocol,
USM_PRIV_PROTO_AES_LEN);
session->securityPrivProtoLen = USM_PRIV_PROTO_AES_LEN;
#endif
}
if (generate_Ku(session->securityAuthProto,
session->securityAuthProtoLen,
(u_char *) Xpsz, strlen(Xpsz),
session->securityPrivKey,
&session->securityPrivKeyLen) != SNMPERR_SUCCESS) {
snmp_perror(argv[0]);
fprintf(stderr,
"Error generating a key (Ku) from the supplied privacy pass phrase. \n");
return (NETSNMP_PARSE_ARGS_ERROR);
}
}
#endif /* NETSNMP_SECMOD_USM */
/*
* get the hostname
*/
if (optind == argc) {
fprintf(stderr, "No hostname specified.\n");
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
}
session->peername = argv[optind++]; /* hostname */
#if !defined(NETSNMP_DISABLE_SNMPV1) || !defined(NETSNMP_DISABLE_SNMPV2C)
/*
* If v1 or v2c, check community has been set, either by a -c option above,
* or via a default token somewhere.
* If neither, it will be taken from the incoming request PDU.
*/
#if defined(NETSNMP_DISABLE_SNMPV1)
if (session->version == SNMP_VERSION_2c)
#else
#if defined(NETSNMP_DISABLE_SNMPV2C)
if (session->version == SNMP_VERSION_1)
#else
if (session->version == SNMP_VERSION_1 ||
session->version == SNMP_VERSION_2c)
#endif
#endif
{
if (Cpsz == NULL) {
Cpsz = netsnmp_ds_get_string(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_COMMUNITY);
if (Cpsz == NULL) {
if (netsnmp_ds_get_boolean(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_IGNORE_NO_COMMUNITY)){
DEBUGMSGTL(("snmp_parse_args",
"ignoring that the community string is not present\n"));
session->community = NULL;
session->community_len = 0;
} else {
fprintf(stderr, "No community name specified.\n");
return (NETSNMP_PARSE_ARGS_ERROR_USAGE);
}
}
} else {
session->community = (unsigned char *)Cpsz;
session->community_len = strlen(Cpsz);
}
}
#endif /* support for community based SNMP */
return optind;
}
int
main(int argc, char *argv[])
{
int arg;
char *prognam;
char *cp = NULL;
const char* sysUpTime = NULL;
/* initialize tcpip, if necessary */
SOCK_STARTUP;
prognam = strrchr(argv[0], '/');
if (prognam)
++prognam;
else
prognam = argv[0];
putenv(strdup("POSIXLY_CORRECT=1"));
netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_DISABLE_PERSISTENT_LOAD, 1);
netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_DISABLE_PERSISTENT_SAVE, 1);
while ((arg = getopt(argc, argv, ":Vhm:M:D:dP:L:U:c:x:")) != -1) {
switch (arg) {
case 'h':
usage(prognam);
result = 0;
goto out;
case 'm':
setenv("MIBS", optarg, 1);
break;
case 'M':
setenv("MIBDIRS", optarg, 1);
break;
case 'c':
context = optarg;
contextLen = strlen(context);
break;
case 'D':
debug_register_tokens(optarg);
snmp_set_do_debugging(1);
break;
case 'd':
netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_DUMP_PACKET, 1);
break;
case 'U':
sysUpTime = optarg;
break;
case 'V':
fprintf(stderr, "NET-SNMP version: %s\n", netsnmp_get_version());
result = 0;
goto out;
#ifndef DISABLE_MIB_LOADING
case 'P':
cp = snmp_mib_toggle_options(optarg);
if (cp != NULL) {
fprintf(stderr, "Unknown parser option to -P: %c.\n", *cp);
usage(prognam);
goto out;
}
break;
#endif /* DISABLE_MIB_LOADING */
case 'L':
if (snmp_log_options(optarg, argc, argv) < 0)
goto out;
break;
case 'x':
if (optarg != NULL) {
netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_X_SOCKET, optarg);
} else
usage(argv[0]);
break;
case ':':
fprintf(stderr, "Option -%c requires an operand\n", optopt);
usage(prognam);
goto out;
case '?':
fprintf(stderr, "Unrecognized option: -%c\n", optopt);
usage(prognam);
goto out;
}
}
arg = optind;
init_snmp(NETSNMP_APPLICATION_CONFIG_TYPE);
agentx_config_init();
/* NOTIFY varlist */
pdu = pdu_create_opt_context(AGENTX_MSG_NOTIFY, context, contextLen);
if (sysUpTime)
snmp_add_var(pdu, sysuptime_oid, sysuptime_oid_len, 't', sysUpTime);
if (arg == argc) {
fprintf(stderr, "Missing trap-oid parameter\n");
usage(prognam);
goto out;
}
if (snmp_add_var(pdu, snmptrap_oid, snmptrap_oid_len, 'o', argv[arg])) {
snmp_perror(argv[arg]);
goto out;
}
++arg;
while (arg < argc) {
oid name[MAX_OID_LEN];
size_t name_length = MAX_OID_LEN;
arg += 3;
if (arg > argc) {
fprintf(stderr, "%s: Missing type/value for variable\n",
argv[arg - 3]);
goto out;
}
if (!snmp_parse_oid(argv[arg - 3], name, &name_length)) {
snmp_perror(argv[arg - 3]);
goto out;
}
if (snmp_add_var(pdu, name, name_length, argv[arg - 2][0],
argv[arg - 1]) != 0) {
snmp_perror(argv[arg - 3]);
goto out;
}
}
packetid = 0;
state = &Connecting;
next_state = NULL;
if(state->entry) state->entry(state);
/* main loop here... */
for(;;) {
int block = 1;
int numfds = 0;
int count;
fd_set fdset;
struct timeval timeout;
while(next_state) {
if(state->exit) state->exit(state);
DEBUGMSGTL(("process", "State transition: %s -> %s\n",
state->name, next_state->name));
state = next_state;
next_state = NULL;
if(state->entry) state->entry(state);
}
if(state == &Exit)
break;
FD_ZERO(&fdset);
snmp_sess_select_info(sessp, &numfds, &fdset, &timeout, &block);
count = select(numfds, &fdset, NULL, NULL, !block ? &timeout : NULL);
if (count > 0)
snmp_sess_read(sessp, &fdset);
else if (count == 0)
snmp_sess_timeout(sessp);
else if (errno != EINTR) {
snmp_log(LOG_ERR, "select error [%s]\n", strerror(errno));
change_state(&Exit);
}
}
/* at shutdown time */
snmp_free_pdu(pdu);
pdu = NULL;
snmp_shutdown(NETSNMP_APPLICATION_CONFIG_TYPE);
out:
SOCK_CLEANUP;
return result;
}
int
snmp_parse_args(int argc,
char *const *argv,
netsnmp_session * session, const char *localOpts,
void (*proc) (int, char *const *, int))
{
int arg;
char *cp;
char *Apsz = NULL;
char *Xpsz = NULL;
char *Cpsz = NULL;
char Opts[BUF_SIZE];
/*
* initialize session to default values
*/
snmp_sess_init(session);
strcpy(Opts, "Y:VhHm:M:O:I:P:D:dv:r:t:c:Z:e:E:n:u:l:x:X:a:A:p:T:-:3:");
if (localOpts)
strcat(Opts, localOpts);
/*
* get the options
*/
DEBUGMSGTL(("snmp_parse_args", "starting: %d/%d\n", optind, argc));
for (arg = 0; arg < argc; arg++) {
DEBUGMSGTL(("snmp_parse_args", " arg %d = %s\n", arg, argv[arg]));
}
optind = 1;
while ((arg = getopt(argc, argv, Opts)) != EOF) {
DEBUGMSGTL(("snmp_parse_args", "handling (#%d): %c\n", optind,
arg));
switch (arg) {
case '-':
if (strcasecmp(optarg, "help") == 0) {
return (-1);
}
if (strcasecmp(optarg, "version") == 0) {
fprintf(stderr, "NET-SNMP version: %s\n",
netsnmp_get_version());
return (-2);
}
handle_long_opt(optarg);
break;
case 'V':
fprintf(stderr, "NET-SNMP version: %s\n",
netsnmp_get_version());
return (-2);
case 'h':
return (-1);
break;
case 'H':
init_snmp("snmpapp");
fprintf(stderr, "Configuration directives understood:\n");
read_config_print_usage(" ");
return (-2);
case 'Y':
netsnmp_config_remember(optarg);
break;
case 'm':
setenv("MIBS", optarg, 1);
break;
case 'M':
setenv("MIBDIRS", optarg, 1);
break;
case 'O':
cp = snmp_out_toggle_options(optarg);
if (cp != NULL) {
fprintf(stderr,
"Unknown output option passed to -O: %c.\n", *cp);
return (-1);
}
break;
case 'I':
cp = snmp_in_toggle_options(optarg);
if (cp != NULL) {
fprintf(stderr, "Unknown input option passed to -I: %c.\n",
*cp);
return (-1);
}
break;
case 'P':
cp = snmp_mib_toggle_options(optarg);
if (cp != NULL) {
fprintf(stderr,
"Unknown parsing option passed to -P: %c.\n", *cp);
return (-1);
}
break;
case 'D':
debug_register_tokens(optarg);
snmp_set_do_debugging(1);
break;
case 'd':
ds_set_boolean(DS_LIBRARY_ID, DS_LIB_DUMP_PACKET, 1);
break;
case 'v':
if (!strcmp(optarg, "1")) {
session->version = SNMP_VERSION_1;
} else if (!strcasecmp(optarg, "2c")) {
session->version = SNMP_VERSION_2c;
} else if (!strcasecmp(optarg, "3")) {
session->version = SNMP_VERSION_3;
} else {
fprintf(stderr,
"Invalid version specified after -v flag: %s\n",
optarg);
return (-1);
}
break;
case 'p':
fprintf(stderr, "Warning: -p option is no longer used - ");
fprintf(stderr, "specify the remote host as HOST:PORT\n");
return (-1);
break;
case 'T':
fprintf(stderr, "Warning: -T option is no longer used - ");
fprintf(stderr, "specify the remote host as TRANSPORT:HOST\n");
return (-1);
break;
case 't':
session->timeout = atoi(optarg) * 1000000L;
if (session->timeout < 0 || !isdigit(optarg[0])) {
fprintf(stderr,
"Invalid timeout in seconds after -t flag.\n");
return (-1);
}
break;
case 'r':
session->retries = atoi(optarg);
if (session->retries < 0 || !isdigit(optarg[0])) {
fprintf(stderr,
"Invalid number of retries after -r flag.\n");
return (-1);
}
break;
case 'c':
Cpsz = optarg;
break;
case '3':
if (snmpv3_options(optarg, session, &Apsz, &Xpsz, argc, argv) <
0) {
return (-1);
}
break;
#define SNMPV3_CMD_OPTIONS
#ifdef SNMPV3_CMD_OPTIONS
case 'Z':
session->engineBoots = strtoul(optarg, NULL, 10);
if (session->engineBoots == 0 || !isdigit(optarg[0])) {
fprintf(stderr,
"Need engine boots value after -Z flag.\n");
return (-1);
}
cp = strchr(optarg, ',');
if (cp && *(++cp) && isdigit(*cp))
session->engineTime = strtoul(cp, NULL, 10);
/*
* Handle previous '-Z boot time' syntax
*/
else if ((optind < argc) && isdigit(argv[optind][0]))
session->engineTime = strtoul(argv[optind], NULL, 10);
else {
fprintf(stderr, "Need engine time value after -Z flag.\n");
return (-1);
}
break;
case 'e':{
size_t ebuf_len = 32, eout_len = 0;
u_char *ebuf = (u_char *) malloc(ebuf_len);
if (ebuf == NULL) {
fprintf(stderr,
"malloc failure processing -e flag.\n");
return (-1);
}
if (!snmp_hex_to_binary
(&ebuf, &ebuf_len, &eout_len, 1, optarg)) {
fprintf(stderr,
"Bad engine ID value after -e flag.\n");
free(ebuf);
return (-1);
}
session->securityEngineID = ebuf;
session->securityEngineIDLen = eout_len;
break;
}
case 'E':{
size_t ebuf_len = 32, eout_len = 0;
u_char *ebuf = (u_char *) malloc(ebuf_len);
if (ebuf == NULL) {
fprintf(stderr,
"malloc failure processing -E flag.\n");
return (-1);
}
if (!snmp_hex_to_binary
(&ebuf, &ebuf_len, &eout_len, 1, optarg)) {
fprintf(stderr,
"Bad engine ID value after -E flag.\n");
free(ebuf);
return (-1);
}
session->contextEngineID = ebuf;
session->contextEngineIDLen = eout_len;
break;
}
case 'n':
session->contextName = optarg;
session->contextNameLen = strlen(optarg);
break;
case 'u':
session->securityName = optarg;
session->securityNameLen = strlen(optarg);
break;
case 'l':
if (!strcasecmp(optarg, "noAuthNoPriv") || !strcmp(optarg, "1")
|| !strcasecmp(optarg, "nanp")) {
session->securityLevel = SNMP_SEC_LEVEL_NOAUTH;
} else if (!strcasecmp(optarg, "authNoPriv")
|| !strcmp(optarg, "2")
|| !strcasecmp(optarg, "anp")) {
session->securityLevel = SNMP_SEC_LEVEL_AUTHNOPRIV;
} else if (!strcasecmp(optarg, "authPriv")
|| !strcmp(optarg, "3")
|| !strcasecmp(optarg, "ap")) {
session->securityLevel = SNMP_SEC_LEVEL_AUTHPRIV;
} else {
fprintf(stderr,
"Invalid security level specified after -l flag: %s\n",
optarg);
return (-1);
}
break;
case 'a':
if (!strcasecmp(optarg, "MD5")) {
session->securityAuthProto = usmHMACMD5AuthProtocol;
session->securityAuthProtoLen = USM_AUTH_PROTO_MD5_LEN;
} else if (!strcasecmp(optarg, "SHA")) {
session->securityAuthProto = usmHMACSHA1AuthProtocol;
session->securityAuthProtoLen = USM_AUTH_PROTO_SHA_LEN;
} else {
fprintf(stderr,
"Invalid authentication protocol specified after -a flag: %s\n",
optarg);
return (-1);
}
break;
case 'x':
if (!strcasecmp(optarg, "DES")) {
session->securityPrivProto = usmDESPrivProtocol;
session->securityPrivProtoLen = USM_PRIV_PROTO_DES_LEN;
} else {
fprintf(stderr,
"Invalid privacy protocol specified after -x flag: %s\n",
optarg);
return (-1);
}
break;
case 'A':
Apsz = optarg;
break;
case 'X':
Xpsz = optarg;
break;
#endif /* SNMPV3_CMD_OPTIONS */
case '?':
return (-1);
break;
default:
proc(argc, argv, arg);
break;
}
}
DEBUGMSGTL(("snmp_parse_args", "finished: %d/%d\n", optind, argc));
/*
* read in MIB database and initialize the snmp library
*/
init_snmp("snmpapp");
/*
* session default version
*/
if (session->version == SNMP_DEFAULT_VERSION) {
/*
* run time default version
*/
session->version = ds_get_int(DS_LIBRARY_ID, DS_LIB_SNMPVERSION);
/*
* compile time default version
*/
if (!session->version) {
switch (SNMP_DEFAULT_VERSION) {
case 1:
session->version = SNMP_VERSION_1;
break;
case 2:
session->version = SNMP_VERSION_2c;
break;
case 3:
session->version = SNMP_VERSION_3;
break;
}
} else {
if (session->version == DS_SNMP_VERSION_1) /* bogus value. version 1 actually = 0 */
session->version = SNMP_VERSION_1;
}
}
/*
* make master key from pass phrases
*/
if (Apsz) {
session->securityAuthKeyLen = USM_AUTH_KU_LEN;
if (session->securityAuthProto == NULL) {
/*
* get .conf set default
*/
const oid *def =
get_default_authtype(&session->securityAuthProtoLen);
session->securityAuthProto =
snmp_duplicate_objid(def, session->securityAuthProtoLen);
}
if (session->securityAuthProto == NULL) {
/*
* assume MD5
*/
session->securityAuthProto =
snmp_duplicate_objid(usmHMACMD5AuthProtocol,
USM_AUTH_PROTO_MD5_LEN);
session->securityAuthProtoLen = USM_AUTH_PROTO_MD5_LEN;
}
if (generate_Ku(session->securityAuthProto,
session->securityAuthProtoLen,
(u_char *) Apsz, strlen(Apsz),
session->securityAuthKey,
&session->securityAuthKeyLen) != SNMPERR_SUCCESS) {
snmp_perror(argv[0]);
fprintf(stderr,
"Error generating a key (Ku) from the supplied authentication pass phrase. \n");
return (-2);
}
}
if (Xpsz) {
session->securityPrivKeyLen = USM_PRIV_KU_LEN;
if (session->securityPrivProto == NULL) {
/*
* get .conf set default
*/
const oid *def =
get_default_privtype(&session->securityPrivProtoLen);
session->securityPrivProto =
snmp_duplicate_objid(def, session->securityPrivProtoLen);
}
if (session->securityPrivProto == NULL) {
/*
* assume DES
*/
session->securityPrivProto =
snmp_duplicate_objid(usmDESPrivProtocol,
USM_PRIV_PROTO_DES_LEN);
session->securityPrivProtoLen = USM_PRIV_PROTO_DES_LEN;
}
if (generate_Ku(session->securityAuthProto,
session->securityAuthProtoLen,
(u_char *) Xpsz, strlen(Xpsz),
session->securityPrivKey,
&session->securityPrivKeyLen) != SNMPERR_SUCCESS) {
snmp_perror(argv[0]);
fprintf(stderr,
"Error generating a key (Ku) from the supplied privacy pass phrase. \n");
return (-2);
}
}
/*
* get the hostname
*/
if (optind == argc) {
fprintf(stderr, "No hostname specified.\n");
return (-1);
}
session->peername = argv[optind++]; /* hostname */
/*
* If v1 or v2c, check community has been set, either by a -c option above,
* or via a default token somewhere.
*/
if (session->version == SNMP_VERSION_1 ||
session->version == SNMP_VERSION_2c) {
if (Cpsz == NULL) {
Cpsz = ds_get_string(DS_LIBRARY_ID, DS_LIB_COMMUNITY);
}
if (Cpsz == NULL) {
fprintf(stderr, "No community name specified.\n");
return (-1);
}
session->community = (unsigned char *) Cpsz;
session->community_len = strlen(Cpsz);
}
return optind;
}
int
main(int argc, char *argv[])
{
int arg;
char *current_name = NULL, *cp = NULL;
oid name[MAX_OID_LEN];
size_t name_length;
int description = 0;
int print = 0;
int find_all = 0;
int width = 1000000;
/*
* usage: snmptranslate name
*/
while ((arg = getopt(argc, argv, "Vhm:M:w:D:P:T:O:I:L:")) != EOF) {
switch (arg) {
case 'h':
usage();
exit(1);
case 'm':
setenv("MIBS", optarg, 1);
break;
case 'M':
setenv("MIBDIRS", optarg, 1);
break;
case 'D':
debug_register_tokens(optarg);
snmp_set_do_debugging(1);
break;
case 'V':
fprintf(stderr, "NET-SNMP version: %s\n",
netsnmp_get_version());
exit(0);
break;
case 'w':
width = atoi(optarg);
if (width <= 0) {
fprintf(stderr, "Invalid width specification: %s\n", optarg);
exit (1);
}
break;
#ifndef NETSNMP_DISABLE_MIB_LOADING
case 'P':
cp = snmp_mib_toggle_options(optarg);
if (cp != NULL) {
fprintf(stderr, "Unknown parser option to -P: %c.\n", *cp);
usage();
exit(1);
}
break;
#endif /* NETSNMP_DISABLE_MIB_LOADING */
case 'O':
cp = snmp_out_toggle_options(optarg);
if (cp != NULL) {
fprintf(stderr, "Unknown OID option to -O: %c.\n", *cp);
usage();
exit(1);
}
break;
case 'I':
cp = snmp_in_toggle_options(optarg);
if (cp != NULL) {
fprintf(stderr, "Unknown OID option to -I: %c.\n", *cp);
usage();
exit(1);
}
break;
case 'T':
for (cp = optarg; *cp; cp++) {
switch (*cp) {
#ifndef NETSNMP_DISABLE_MIB_LOADING
case 'l':
print = 3;
print_oid_report_enable_labeledoid();
break;
case 'o':
print = 3;
print_oid_report_enable_oid();
break;
case 's':
print = 3;
print_oid_report_enable_symbolic();
break;
case 't':
print = 3;
print_oid_report_enable_suffix();
break;
case 'z':
print = 3;
print_oid_report_enable_mibchildoid();
break;
#endif /* NETSNMP_DISABLE_MIB_LOADING */
case 'd':
description = 1;
netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_SAVE_MIB_DESCRS, 1);
break;
case 'B':
find_all = 1;
break;
case 'p':
print = 1;
break;
case 'a':
print = 2;
break;
default:
fprintf(stderr, "Invalid -T<lostpad> character: %c\n",
*cp);
usage();
exit(1);
break;
}
}
break;
case 'L':
if (snmp_log_options(optarg, argc, argv) < 0) {
return (-1);
}
break;
default:
fprintf(stderr, "invalid option: -%c\n", arg);
usage();
int
snmp_parse_args(int argc,
char *argv[],
struct snmp_session *session)
{
int arg;
char *psz, *cp;
#ifdef USE_V2PARTY_PROTOCOL
static oid src[MAX_OID_LEN];
static oid dst[MAX_OID_LEN];
static oid context[MAX_OID_LEN];
struct partyEntry *pp;
struct contextEntry *cxp;
struct hostent *hp;
char ctmp[300];
in_addr_t destAddr;
int clock_flag = 0;
u_long srcclock = 0;
u_long dstclock = 0;
#endif
/* initialize session to default values */
snmp_sess_init( session );
/* get the options */
for(arg = 1; (arg < argc) && (argv[arg][0] == '-'); arg++){
switch(argv[arg][1]){
case 'd':
snmp_set_dump_packet(1);
break;
case 'R':
random_access = 1;
break;
case 'q':
snmp_set_quick_print(1);
break;
case 'D':
debug_register_tokens(&argv[arg][2]);
snmp_set_do_debugging(1);
break;
case 'm':
if (argv[arg][2] != 0)
setenv("MIBS",&argv[arg][2], 1);
else if (++arg < argc)
setenv("MIBS",argv[arg], 1);
else {
fprintf(stderr,"Need MIBS after -m flag.\n");
usage();
exit(1);
}
break;
case 'M':
if (argv[arg][2] != 0)
setenv("MIBDIRS",&argv[arg][2], 1);
else if (++arg < argc)
setenv("MIBDIRS",argv[arg], 1);
else {
fprintf(stderr,"Need MIBDIRS after -M flag.\n");
usage();
exit(1);
}
break;
case 'f':
snmp_set_full_objid(1);
break;
case 's':
snmp_set_suffix_only(1);
break;
case 'S':
snmp_set_suffix_only(2);
break;
case 'p':
if (isdigit(argv[arg][2]))
session->remote_port = atoi(&(argv[arg][2]));
else if ((++arg<argc) && isdigit(argv[arg][0]))
session->remote_port = atoi(argv[arg]);
else {
fprintf(stderr,"Need port number after -p flag.\n");
usage();
exit(1);
}
break;
case 't':
if (isdigit(argv[arg][2]))
session->timeout = atoi(&(argv[arg][2])) * 1000000L;
else if ((++arg<argc) && isdigit(argv[arg][0]))
session->timeout = atoi(argv[arg]) * 1000000L;
else {
fprintf(stderr,"Need time in seconds after -t flag.\n");
usage();
exit(1);
}
break;
case 'r':
if (isdigit(argv[arg][2]))
session->retries = atoi(&(argv[arg][2]));
else if ((++arg<argc) && isdigit(argv[arg][0]))
session->retries = atoi(argv[arg]);
else {
fprintf(stderr,"Need number of retries after -r flag.\n");
usage();
exit(1);
}
break;
#ifdef USE_V2PARTY_PROTOCOL
case 'c':
clock_flag++;
if (isdigit(argv[arg][2]))
srcclock = (u_long)(atol(&(argv[arg][2])));
else if ((++arg<argc) && isdigit(argv[arg][0]))
srcclock = (u_long)(atol(argv[arg]));
else {
fprintf(stderr,"Need source clock value after -c flag.\n");
usage();
exit(1);
}
if ((++arg<argc) && isdigit(argv[arg][0]))
dstclock = (u_long)(atol(argv[arg]));
else {
fprintf(stderr,"Need destination clock value after -c flag.\n");
usage();
exit(1);
}
break;
#endif /* USE_V2PARTY_PROTOCOL */
case 'V':
fprintf(stderr,"UCD-snmp version: %s\n", VersionInfo);
exit(0);
case 'v':
if (argv[arg][2] != 0)
psz = &(argv[arg][2]);
else
psz = argv[++arg];
if( psz == NULL) {
fprintf(stderr,"Need version value after -v flag. \n");
usage();
exit(1);
}
if (!strcmp(psz,"1")) {
session->version = SNMP_VERSION_1;
} else if (!strcasecmp(psz,"2c")) {
session->version = SNMP_VERSION_2c;
} else if (!strcasecmp(psz,"2p")) {
session->version = SNMP_VERSION_2p;
} else {
fprintf(stderr,"Invalid version specified after -v flag: %s\n", psz);
usage();
exit(1);
}
break;
case 'h':
usage();
exit(0);
break;
case 'H':
init_snmp();
fprintf(stderr, "Configuration directives understood:\n");
read_config_print_usage(" ");
exit(0);
case 'P':
if (argv[arg][2] != 0)
cp = &argv[arg][2];
else if (++arg<argc)
cp = &argv[arg][2];
else {
fprintf(stderr,"Need option arguments after -P flag.\n");
usage();
exit(1);
}
cp = snmp_mib_toggle_options(cp);
if (cp != NULL) {
fprintf(stderr,"Unknown parsing option passed to -P: %c.\n", *cp);
usage();
exit(1);
}
break;
default:
/* This should be removed to support options in clients that
have more parameters than the defaults above! */
fprintf(stderr, "invalid option: -%c\n", argv[arg][1]);
usage();
exit(1);
break;
}
}
/* read in MIB database and initialize the snmp library*/
init_snmp();
/* get the hostname */
if (arg == argc) {
fprintf(stderr,"No hostname specified.\n");
usage();
exit(1);
}
session->peername = argv[arg++]; /* hostname */
/* get community or party */
if ((session->version == SNMP_VERSION_1) ||
(session->version == SNMP_VERSION_2c)) {
/* v1 and v2c - so get community string */
if (arg == argc) {
fprintf(stderr,"No community name specified.\n");
usage();
exit(1);
}
session->community = (unsigned char *)argv[arg];
session->community_len = strlen((char *)argv[arg]);
arg++;
#ifdef USE_V2PARTY_PROTOCOL
} else {
/* v2p - so get party info */
if (arg == argc) {
fprintf(stderr,"Neither a source party nor noAuth was specified.\n");
usage();
exit(1);
}
session->srcParty = src;
session->dstParty = dst;
session->context = context;
if (!strcasecmp(argv[arg], "noauth")){
if ((destAddr = inet_addr(session->peername)) == -1){
hp = gethostbyname(session->peername);
if (hp == NULL){
fprintf(stderr, "unknown host: %s\n", session->peername);
exit(1);
} else {
memmove(&destAddr, hp->h_addr, hp->h_length);
}
}
session->srcPartyLen = session->dstPartyLen =
session->contextLen = MAX_OID_LEN;
ms_party_init(destAddr, session->srcParty, &(session->srcPartyLen),
session->dstParty, &(session->dstPartyLen),
session->context, &(session->contextLen));
arg++;
} else {
sprintf(ctmp,"%s/party.conf",SNMPSHAREPATH);
if (read_party_database(ctmp) != 0){
snmp_perror(argv[0]);
exit(1);
}
sprintf(ctmp,"%s/context.conf",SNMPSHAREPATH);
if (read_context_database(ctmp) != 0){
snmp_perror(argv[0]);
exit(1);
}
sprintf(ctmp,"%s/acl.conf",SNMPSHAREPATH);
if (read_acl_database(ctmp) != 0){
snmp_perror(argv[0]);
exit(1);
}
/* source party */
party_scanInit();
session->srcPartyLen = MAX_OID_LEN;
for(pp = party_scanNext(); pp; pp = party_scanNext()){
if (!strcasecmp(pp->partyName, argv[arg])){
session->srcPartyLen = pp->partyIdentityLen;
memmove(session->srcParty, pp->partyIdentity,
session->srcPartyLen * sizeof(oid));
break;
}
}
if (!pp){
session->srcPartyLen = MAX_OID_LEN;
if (!read_objid(argv[arg], session->srcParty, &(session->srcPartyLen))){
fprintf(stderr,"Invalid source party: %s.\n", argv[arg]);
session->srcPartyLen = 0;
usage();
exit(1);
}
}
arg++;
if (arg == argc) {
fprintf(stderr,"No destination party specified.\n");
usage();
exit(1);
}
/* destination party */
session->dstPartyLen = MAX_OID_LEN;
party_scanInit();
for(pp = party_scanNext(); pp; pp = party_scanNext()){
if (!strcasecmp(pp->partyName, argv[arg])){
session->dstPartyLen = pp->partyIdentityLen;
memmove(session->dstParty, pp->partyIdentity,
session->dstPartyLen * sizeof(oid));
break;
}
}
if (!pp){
if (!read_objid(argv[arg], session->dstParty, &(session->dstPartyLen))){
fprintf(stderr,"Invalid destination party: %s.\n", argv[arg]);
session->dstPartyLen = 0;
usage();
exit(1);
}
}
arg++;
/* context */
if (arg == argc) {
fprintf(stderr,"No context specified.\n");
usage();
exit(1);
}
session->contextLen = MAX_OID_LEN;
context_scanInit();
for(cxp = context_scanNext(); cxp; cxp = context_scanNext()){
if (!strcasecmp(cxp->contextName, argv[arg])){
session->contextLen = cxp->contextIdentityLen;
memmove(session->context, cxp->contextIdentity,
session->contextLen * sizeof(oid));
break;
}
}
if (!cxp){
if (!read_objid(argv[arg], session->context, &(session->contextLen))){
fprintf(stderr,"Invalid context: %s.\n", argv[arg]);
session->contextLen = 0;
usage();
exit(1);
}
}
arg++;
if (clock_flag){
pp = party_getEntry(session->srcParty, session->srcPartyLen);
if (pp){
pp->partyAuthClock = srcclock;
gettimeofday(&pp->tv, (struct timezone *)0);
pp->tv.tv_sec -= pp->partyAuthClock;
}
pp = party_getEntry(session->dstParty, session->dstPartyLen);
if (pp){
pp->partyAuthClock = dstclock;
gettimeofday(&pp->tv, (struct timezone *)0);
pp->tv.tv_sec -= pp->partyAuthClock;
}
}
}
#endif /* USE_V2PARTY_PROTOCOL */
}
return arg;
}
int
main (int argc, char **argv)
{
int arg;
char* cp = NULL;
int dont_fork = 0, do_help = 0;
while ((arg = getopt(argc, argv, "dD:fhHL:Xp"
#ifndef DISABLE_MIB_LOADING
"m:M:"
#endif /* DISABLE_MIB_LOADING */
"n:"
#ifndef DISABLE_MIB_LOADING
"P:"
#endif /* DISABLE_MIB_LOADING */
"vx:")) != EOF) {
switch (arg) {
case 'd':
netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_DUMP_PACKET, 1);
break;
case 'D':
debug_register_tokens(optarg);
snmp_set_do_debugging(1);
break;
case 'f':
dont_fork = 1;
break;
case 'h':
usage(argv[0]);
break;
case 'H':
do_help = 1;
break;
case 'L':
if (snmp_log_options(optarg, argc, argv) < 0) {
exit(1);
}
break;
#ifndef DISABLE_MIB_LOADING
case 'm':
if (optarg != NULL) {
setenv("MIBS", optarg, 1);
} else {
usage(argv[0]);
}
break;
case 'M':
if (optarg != NULL) {
setenv("MIBDIRS", optarg, 1);
} else {
usage(argv[0]);
}
break;
#endif /* DISABLE_MIB_LOADING */
case 'n':
if (optarg != NULL) {
app_name = optarg;
netsnmp_ds_set_string(NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_APPTYPE, app_name);
} else {
usage(argv[0]);
}
break;
#ifndef DISABLE_MIB_LOADING
case 'P':
cp = snmp_mib_toggle_options(optarg);
if (cp != NULL) {
fprintf(stderr, "Unknown parser option to -P: %c.\n", *cp);
usage(argv[0]);
}
break;
#endif /* DISABLE_MIB_LOADING */
case 'v':
version();
break;
case 'x':
if (optarg != NULL) {
netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_X_SOCKET, optarg);
} else {
usage(argv[0]);
}
break;
default:
fprintf(stderr, "invalid option: -%c\n", arg);
usage(argv[0]);
break;
}
}
if (do_help) {
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_NO_ROOT_ACCESS, 1);
} else {
/* we are a subagent */
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID,
NETSNMP_DS_AGENT_ROLE, 1);
if (!dont_fork) {
if (netsnmp_daemonize(1, snmp_stderrlog_status()) != 0)
exit(1);
}
/* initialize tcpip, if necessary */
SOCK_STARTUP;
}
/* Parse file */
m_parse(argv[argc-1]);
/* initialize the agent library */
init_agent(app_name);
/* Initialize SNMP */
init_snmp(app_name);
if (do_help) {
fprintf(stderr, "Configuration directives understood:\n");
read_config_print_usage(" ");
exit(0);
}
/* In case we received a request to stop (kill -TERM or kill -INT) */
netsnmp_running = 1;
#ifdef SIGTERM
signal(SIGTERM, stop_server);
#endif
#ifdef SIGINT
signal(SIGINT, stop_server);
#endif
/* main loop here... */
while(netsnmp_running) {
agent_check_and_process(1);
}
/* at shutdown time */
snmp_shutdown(app_name);
SOCK_CLEANUP;
exit(0);
}
