/* * mib.c * * Update: 1998-07-17 * Added print_oid_report* functions. */ /********************************************************************** Copyright 1988, 1989, 1991, 1992 by Carnegie Mellon University 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 and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of CMU not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. CMU DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL CMU 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 #include #include #include #if HAVE_NETINET_IN_H #include #endif #if TIME_WITH_SYS_TIME # ifdef WIN32 # include # else # include # endif # include #else # if HAVE_SYS_TIME_H # include # else # include # endif #endif #if HAVE_STRING_H #include #else #include #endif #if HAVE_STDLIB_H #include #endif #if HAVE_SYS_SELECT_H #include #endif #if HAVE_WINSOCK_H #include #endif #include "asn1.h" #include "snmp_api.h" #include "mib.h" #include "snmp.h" #include "snmp_impl.h" #include "parse.h" #include "int64.h" #include "system.h" #include "read_config.h" #include "snmp_debug.h" static void sprint_by_type (char *, struct variable_list *, struct enum_list *, char *, char *); static int parse_subtree (struct tree *, char *, oid *, int *); static char *uptimeString (u_long, char *); static void sprint_hexstring (char *, u_char *, int); static void sprint_asciistring (char *, u_char *, int); static void sprint_octet_string (char *, struct variable_list *, struct enum_list *, char *, char *); static void sprint_opaque (char *, struct variable_list *, struct enum_list *, char *, char *); static void sprint_object_identifier (char *, struct variable_list *, struct enum_list *, char *, char *); static void sprint_timeticks (char *, struct variable_list *, struct enum_list *, char *, char *); static void sprint_hinted_integer (char *, long, char *, char *); static void sprint_integer (char *, struct variable_list *, struct enum_list *, char *, char *); static void sprint_uinteger (char *, struct variable_list *, struct enum_list *, char *, char *); static void sprint_gauge (char *, struct variable_list *, struct enum_list *, char *, char *); static void sprint_counter (char *, struct variable_list *, struct enum_list *, char *, char *); static void sprint_networkaddress (char *, struct variable_list *, struct enum_list *, char *, char *); static void sprint_ipaddress (char *, struct variable_list *, struct enum_list *, char *, char *); static void sprint_null (char *, struct variable_list *, struct enum_list *, char *, char *); static void sprint_bitstring (char *, struct variable_list *, struct enum_list *, char *, char *); static void sprint_nsapaddress (char *, struct variable_list *, struct enum_list *, char *, char *); static void sprint_counter64 (char *, struct variable_list *, struct enum_list *, char *, char *); static void sprint_unknowntype (char *, struct variable_list *, struct enum_list *, char *, char *); static void sprint_badtype (char *, struct variable_list *, struct enum_list *, char *, char *); #ifdef OPAQUE_SPECIAL_TYPES static void sprint_float (char *, struct variable_list *, struct enum_list *, char *, char *); static void sprint_double (char *, struct variable_list *, struct enum_list *, char *, char *); #endif void print_tree_node (FILE *f, struct tree *tp); extern struct tree *tree_head; struct tree *Mib; /* Backwards compatibility */ oid RFC1213_MIB[] = { 1, 3, 6, 1, 2, 1 }; static char Standard_Prefix[] = ".1.3.6.1.2.1"; /* Set default here as some uses of read_objid require valid pointer. */ static char *Prefix = &Standard_Prefix[0]; typedef struct _PrefixList { char * str; int len; } *PrefixListPtr, PrefixList; /* * Here are the prefix strings. * Note that the first one finds the value of Prefix or Standard_Prefix. * Any of these MAY start with period; all will NOT end with period. * Period is added where needed. See use of Prefix in this module. */ PrefixList mib_prefixes[] = { { &Standard_Prefix[0] }, /* placeholder for Prefix data */ { (char*)".iso.org.dod.internet.mgmt.mib-2" }, { (char*)".iso.org.dod.internet.experimental" }, { (char*)".iso.org.dod.internet.private" }, { (char*)".iso.org.dod.internet.experimental" }, { (char*)".iso.org.dod.internet.snmpParties" }, { (char*)".iso.org.dod.internet.experimental" }, { (char*)".iso.org.dod.internet.snmpSecrets" }, { NULL, 0 } /* end of list */ }; static int quick_print = 0; static int full_objid = 0; static int suffix_only = 0; void snmp_set_quick_print(int val) { quick_print = val; } int snmp_get_quick_print (void) { return quick_print; } void snmp_set_full_objid(int val) { full_objid = val; } int snmp_get_full_objid (void) { return full_objid; } void snmp_set_suffix_only(int val) { suffix_only = val; } int snmp_get_suffix_only (void) { return suffix_only; } static char * uptimeString(u_long timeticks, char *buf) { int centisecs, seconds, minutes, hours, days; centisecs = timeticks % 100; timeticks /= 100; days = timeticks / (60 * 60 * 24); timeticks %= (60 * 60 * 24); hours = timeticks / (60 * 60); timeticks %= (60 * 60); minutes = timeticks / 60; seconds = timeticks % 60; if (quick_print) sprintf(buf, "%d:%d:%02d:%02d.%02d", days, hours, minutes, seconds, centisecs); else { if (days == 0){ sprintf(buf, "%d:%02d:%02d.%02d", hours, minutes, seconds, centisecs); } else if (days == 1) { sprintf(buf, "%d day, %d:%02d:%02d.%02d", days, hours, minutes, seconds, centisecs); } else { sprintf(buf, "%d days, %d:%02d:%02d.%02d", days, hours, minutes, seconds, centisecs); } } return buf; } static void sprint_hexstring(char *buf, u_char *cp, int len) { for(; len >= 16; len -= 16){ sprintf(buf, "%02X %02X %02X %02X %02X %02X %02X %02X ", cp[0], cp[1], cp[2], cp[3], cp[4], cp[5], cp[6], cp[7]); buf += strlen(buf); cp += 8; sprintf(buf, "%02X %02X %02X %02X %02X %02X %02X %02X\n", cp[0], cp[1], cp[2], cp[3], cp[4], cp[5], cp[6], cp[7]); buf += strlen(buf); cp += 8; } for(; len > 0; len--){ sprintf(buf, "%02X ", *cp++); buf += strlen(buf); } *buf = '\0'; } static void sprint_asciistring(char *buf, u_char *cp, int len) { int x; for(x = 0; x < len; x++){ if (isprint(*cp)){ *buf++ = *cp++; } else { *buf++ = '.'; cp++; } #if 0 if ((x % 48) == 47) *buf++ = '\n'; #endif } *buf = '\0'; } /* 0 < 4 hex 0 "" < 4 hex Hex: oo oo oo < 4 "fgh" Hex: oo oo oo > 4 hex Hex: oo oo oo oo oo oo oo oo > 4 "this is a test" */ static void sprint_octet_string(char *buf, struct variable_list *var, struct enum_list *enums, char *hint, char *units) { int hex, x; u_char *cp; char *saved_hint = hint; char *saved_buf = buf; if (var->type != ASN_OCTET_STR){ sprintf(buf, "Wrong Type (should be OCTET STRING): "); buf += strlen(buf); sprint_by_type(buf, var, NULL, NULL, NULL); return; } if (hint) { int repeat, width = 1; long value; char code = 'd', separ = 0, term = 0, ch; u_char *ecp; *buf = 0; cp = var->val.string; ecp = cp + var->val_len; while (cp < ecp) { repeat = 1; if (*hint) { if (*hint == '*') { repeat = *cp++; hint++; } width = 0; while ('0' <= *hint && *hint <= '9') width = width * 10 + *hint++ - '0'; code = *hint++; if ((ch = *hint) && ch != '*' && (ch < '0' || ch > '9') && (width != 0 || (ch != 'x' && ch != 'd' && ch != 'o'))) separ = *hint++; else separ = 0; if ((ch = *hint) && ch != '*' && (ch < '0' || ch > '9') && (width != 0 || (ch != 'x' && ch != 'd' && ch != 'o'))) term = *hint++; else term = 0; if (width == 0) width = 1; } while (repeat && cp < ecp) { value = 0; if (code != 'a') for (x = 0; x < width; x++) value = value * 256 + *cp++; switch (code) { case 'x': sprintf (buf, "%lx", value); break; case 'd': sprintf (buf, "%ld", value); break; case 'o': sprintf (buf, "%lo", value); break; case 'a': for (x = 0; x < width && cp < ecp; x++) *buf++ = *cp++; *buf = 0; break; default: sprintf(saved_buf, "(Bad hint ignored: %s) ", saved_hint); sprint_octet_string(saved_buf+strlen(saved_buf), var, enums, NULL, NULL); return; } buf += strlen (buf); if (cp < ecp && separ) *buf++ = separ; repeat--; } if (term && cp < ecp) *buf++ = term; } if (units) sprintf (buf, " %s", units); return; } hex = 0; for(cp = var->val.string, x = 0; x < var->val_len; x++, cp++){ if (!(isprint(*cp) || isspace(*cp))) hex = 1; } if (var->val_len == 0){ strcpy(buf, "\"\""); return; } if (!hex){ *buf++ = '"'; sprint_asciistring(buf, var->val.string, var->val_len); buf += strlen(buf); *buf++ = '"'; *buf = '\0'; } if (hex || ((var->val_len <= 4) && !quick_print)){ if (quick_print){ *buf++ = '"'; *buf = '\0'; } else { sprintf(buf, " Hex: "); buf += strlen(buf); } sprint_hexstring(buf, var->val.string, var->val_len); if (quick_print){ buf += strlen(buf); *buf++ = '"'; *buf = '\0'; } } if (units) sprintf (buf, " %s", units); } #ifdef OPAQUE_SPECIAL_TYPES static void sprint_float(char *buf, struct variable_list *var, struct enum_list *enums, char *hint, char *units) { if (var->type != ASN_OPAQUE_FLOAT) { sprintf(buf, "Wrong Type (should be Float): "); buf += strlen(buf); sprint_by_type(buf, var, NULL, NULL, NULL); return; } if (!quick_print){ sprintf(buf, "Opaque: Float:"); buf += strlen(buf); } sprintf(buf, " %f", *var->val.floatVal); buf += strlen (buf); if (units) sprintf (buf, " %s", units); } static void sprint_double(char *buf, struct variable_list *var, struct enum_list *enums, char *hint, char *units) { if (var->type != ASN_OPAQUE_DOUBLE) { sprintf(buf, "Wrong Type (should be Double): "); buf += strlen(buf); sprint_by_type(buf, var, NULL, NULL, NULL); return; } if (!quick_print){ sprintf(buf, "Opaque: Double:"); buf += strlen(buf); } sprintf(buf, " %f", *var->val.doubleVal); buf += strlen (buf); if (units) sprintf (buf, " %s", units); } #endif /* OPAQUE_SPECIAL_TYPES */ static void sprint_opaque(char *buf, struct variable_list *var, struct enum_list *enums, char *hint, char *units) { if (var->type != ASN_OPAQUE #ifdef OPAQUE_SPECIAL_TYPES && var->type != ASN_OPAQUE_COUNTER64 && var->type != ASN_OPAQUE_U64 && var->type != ASN_OPAQUE_I64 && var->type != ASN_OPAQUE_FLOAT && var->type != ASN_OPAQUE_DOUBLE #endif /* OPAQUE_SPECIAL_TYPES */ ){ sprintf(buf, "Wrong Type (should be Opaque): "); buf += strlen(buf); sprint_by_type(buf, var, NULL, NULL, NULL); return; } #ifdef OPAQUE_SPECIAL_TYPES switch(var->type) { case ASN_OPAQUE_COUNTER64: case ASN_OPAQUE_U64: case ASN_OPAQUE_I64: sprint_counter64(buf, var, enums, hint, units); break; case ASN_OPAQUE_FLOAT: sprint_float(buf, var, enums, hint, units); break; case ASN_OPAQUE_DOUBLE: sprint_double(buf, var, enums, hint, units); break; case ASN_OPAQUE: #endif if (!quick_print){ sprintf(buf, "OPAQUE: "); buf += strlen(buf); } sprint_hexstring(buf, var->val.string, var->val_len); buf += strlen (buf); #ifdef OPAQUE_SPECIAL_TYPES } #endif if (units) sprintf (buf, " %s", units); } static void sprint_object_identifier(char *buf, struct variable_list *var, struct enum_list *enums, char *hint, char *units) { if (var->type != ASN_OBJECT_ID){ sprintf(buf, "Wrong Type (should be OBJECT IDENTIFIER): "); buf += strlen(buf); sprint_by_type(buf, var, NULL, NULL, NULL); return; } if (!quick_print){ sprintf(buf, "OID: "); buf += strlen(buf); } sprint_objid(buf, (oid *)(var->val.objid), var->val_len / sizeof(oid)); buf += strlen (buf); if (units) sprintf (buf, " %s", units); } static void sprint_timeticks(char *buf, struct variable_list *var, struct enum_list *enums, char *hint, char *units) { char timebuf[32]; if (var->type != ASN_TIMETICKS){ sprintf(buf, "Wrong Type (should be Timeticks): "); buf += strlen(buf); sprint_by_type(buf, var, NULL, NULL, NULL); return; } if (!quick_print){ sprintf(buf, "Timeticks: (%lu) ", *(u_long *)(var->val.integer)); buf += strlen(buf); } sprintf(buf, "%s", uptimeString(*(u_long *)(var->val.integer), timebuf)); buf += strlen (buf); if (units) sprintf (buf, " %s", units); } static void sprint_hinted_integer (char *buf, long val, char *hint, char *units) { char code; int shift, len; char tmp[256]; char fmt[10]; code = hint[0]; if (hint [1] == '-') { shift = atoi (hint+2); } else shift = 0; fmt[0] = '%'; fmt[1] = 'l'; fmt[2] = code; fmt[3] = 0; sprintf (tmp, fmt, val); if (shift != 0) { len = strlen (tmp); if (shift <= len) { tmp[len+1] = 0; while (shift--) { tmp[len] = tmp[len-1]; len--; } tmp[len] = '.'; } else { tmp[shift+1] = 0; while (shift) { if (len-- > 0) tmp [shift] = tmp [len]; else tmp[shift] = '0'; shift--; } tmp[0] = '.'; } } strcpy (buf, tmp); } static void sprint_integer(char *buf, struct variable_list *var, struct enum_list *enums, char *hint, char *units) { char *enum_string = NULL; if (var->type != ASN_INTEGER){ sprintf(buf, "Wrong Type (should be INTEGER): "); buf += strlen(buf); sprint_by_type(buf, var, NULL, NULL, NULL); return; } for (; enums; enums = enums->next) if (enums->value == *var->val.integer){ enum_string = enums->label; break; } if (enum_string == NULL) { if (hint) sprint_hinted_integer(buf, *var->val.integer, hint, units); else sprintf(buf, "%ld", *var->val.integer); } else if (quick_print) sprintf(buf, "%s", enum_string); else sprintf(buf, "%s(%ld)", enum_string, *var->val.integer); buf += strlen (buf); if (units) sprintf (buf, " %s", units); } static void sprint_uinteger(char *buf, struct variable_list *var, struct enum_list *enums, char *hint, char *units) { char *enum_string = NULL; if (var->type != ASN_UINTEGER){ sprintf(buf, "Wrong Type (should be UInteger32): "); buf += strlen(buf); sprint_by_type(buf, var, NULL, NULL, NULL); return; } for (; enums; enums = enums->next) if (enums->value == *var->val.integer){ enum_string = enums->label; break; } if (enum_string == NULL) sprintf(buf, "%lu", *var->val.integer); else if (quick_print) sprintf(buf, "%s", enum_string); else sprintf(buf, "%s(%lu)", enum_string, *var->val.integer); buf += strlen (buf); if (units) sprintf (buf, " %s", units); } static void sprint_gauge(char *buf, struct variable_list *var, struct enum_list *enums, char *hint, char *units) { if (var->type != ASN_GAUGE){ sprintf(buf, "Wrong Type (should be Gauge): "); buf += strlen(buf); sprint_by_type(buf, var, NULL, NULL, NULL); return; } if (quick_print) sprintf(buf, "%lu", *var->val.integer); else sprintf(buf, "Gauge: %lu", *var->val.integer); buf += strlen (buf); if (units) sprintf (buf, " %s", units); } static void sprint_counter(char *buf, struct variable_list *var, struct enum_list *enums, char *hint, char *units) { if (var->type != ASN_COUNTER){ sprintf(buf, "Wrong Type (should be Counter): "); buf += strlen(buf); sprint_by_type(buf, var, NULL, NULL, NULL); return; } sprintf(buf, "%lu", *var->val.integer); buf += strlen (buf); if (units) sprintf (buf, " %s", units); } static void sprint_networkaddress(char *buf, struct variable_list *var, struct enum_list *enums, char *hint, char *units) { int x, len; u_char *cp; if (!quick_print){ sprintf(buf, "Network Address: "); buf += strlen(buf); } cp = var->val.string; len = var->val_len; for(x = 0; x < len; x++){ sprintf(buf, "%02X", *cp++); buf += strlen(buf); if (x < (len - 1)) *buf++ = ':'; } } static void sprint_ipaddress(char *buf, struct variable_list *var, struct enum_list *enums, char *hint, char *units) { u_char *ip; if (var->type != ASN_IPADDRESS){ sprintf(buf, "Wrong Type (should be Ipaddress): "); buf += strlen(buf); sprint_by_type(buf, var, NULL, NULL, NULL); return; } ip = var->val.string; if (quick_print) sprintf(buf, "%d.%d.%d.%d",ip[0], ip[1], ip[2], ip[3]); else sprintf(buf, "IpAddress: %d.%d.%d.%d",ip[0], ip[1], ip[2], ip[3]); } static void sprint_null(char *buf, struct variable_list *var, struct enum_list *enums, char *hint, char *units) { if (var->type != ASN_NULL){ sprintf(buf, "Wrong Type (should be NULL): "); buf += strlen(buf); sprint_by_type(buf, var, NULL, NULL, NULL); return; } sprintf(buf, "NULL"); } static void sprint_bitstring(char *buf, struct variable_list *var, struct enum_list *enums, char *hint, char *units) { int len, bit; u_char *cp; char *enum_string; if (var->type != ASN_BIT_STR && var->type != ASN_OCTET_STR){ sprintf(buf, "Wrong Type (should be BIT STRING): "); buf += strlen(buf); sprint_by_type(buf, var, NULL, NULL, NULL); return; } if (quick_print){ *buf++ = '"'; *buf = '\0'; } else { sprintf(buf, "BIT_STRING: "); buf += strlen(buf); } sprint_hexstring(buf, var->val.bitstring, var->val_len); buf += strlen(buf); if (quick_print){ buf += strlen(buf); *buf++ = '"'; *buf = '\0'; } else { cp = var->val.bitstring + 1; for(len = 0; len < var->val_len - 1; len++){ for(bit = 0; bit < 8; bit++){ if (*cp & (0x80 >> bit)){ enum_string = NULL; for (; enums; enums = enums->next) if (enums->value == (len * 8) + bit){ enum_string = enums->label; break; } if (enum_string == NULL) sprintf(buf, "%d ", (len * 8) + bit); else sprintf(buf, "%s(%d) ", enum_string, (len * 8) + bit); buf += strlen(buf); } } } cp ++; } } static void sprint_nsapaddress(char *buf, struct variable_list *var, struct enum_list *enums, char *hint, char *units) { if (var->type != ASN_NSAP){ sprintf(buf, "Wrong Type (should be NsapAddress): "); buf += strlen(buf); sprint_by_type(buf, var, NULL, NULL, NULL); return; } if (!quick_print){ sprintf(buf, "NsapAddress: "); buf += strlen(buf); } sprint_hexstring(buf, var->val.string, var->val_len); } static void sprint_counter64(char *buf, struct variable_list *var, struct enum_list *enums, char *hint, char *units) { char a64buf[I64CHARSZ+1]; if (var->type != ASN_COUNTER64 #ifdef OPAQUE_SPECIAL_TYPES && var->type != ASN_OPAQUE_COUNTER64 && var->type != ASN_OPAQUE_I64 && var->type != ASN_OPAQUE_U64 #endif ){ sprintf(buf, "Wrong Type (should be Counter64): "); buf += strlen(buf); sprint_by_type(buf, var, NULL, NULL, NULL); return; } /* XXX */ if (!quick_print){ #ifdef OPAQUE_SPECIAL_TYPES if (var->type != ASN_COUNTER64) { sprintf(buf, "Opaque: "); buf += strlen(buf); } #endif #ifdef OPAQUE_SPECIAL_TYPES switch(var->type) { case ASN_OPAQUE_U64: sprintf(buf, "UInt64: "); break; case ASN_OPAQUE_I64: sprintf(buf, "Int64: "); break; case ASN_COUNTER64: case ASN_OPAQUE_COUNTER64: #endif sprintf(buf, "Counter64: "); #ifdef OPAQUE_SPECIAL_TYPES } #endif buf += strlen(buf); } #ifdef OPAQUE_SPECIAL_TYPES if (var->type == ASN_OPAQUE_I64) { printI64(a64buf, var->val.counter64); sprintf(buf, a64buf); } else #endif { printU64(a64buf, var->val.counter64); sprintf(buf, a64buf); } buf += strlen (buf); if (units) sprintf (buf, " %s", units); } static void sprint_unknowntype(char *buf, struct variable_list *var, struct enum_list *enums, char *hint, char *units) { /* sprintf(buf, "Variable has bad type"); */ sprint_by_type(buf, var, NULL, NULL, NULL); } static void sprint_badtype(char *buf, struct variable_list *var, struct enum_list *enums, char *hint, char *units) { sprintf(buf, "Variable has bad type"); } static void sprint_by_type(char *buf, struct variable_list *var, struct enum_list *enums, char *hint, char *units) { switch (var->type){ case ASN_INTEGER: sprint_integer(buf, var, enums, hint, units); break; case ASN_OCTET_STR: sprint_octet_string(buf, var, enums, hint, units); break; case ASN_OPAQUE: sprint_opaque(buf, var, enums, hint, units); break; case ASN_OBJECT_ID: sprint_object_identifier(buf, var, enums, hint, units); break; case ASN_TIMETICKS: sprint_timeticks(buf, var, enums, hint, units); break; case ASN_GAUGE: sprint_gauge(buf, var, enums, hint, units); break; case ASN_COUNTER: sprint_counter(buf, var, enums, hint, units); break; case ASN_IPADDRESS: sprint_ipaddress(buf, var, enums, hint, units); break; case ASN_NULL: sprint_null(buf, var, enums, hint, units); break; case ASN_UINTEGER: sprint_uinteger(buf, var, enums, hint, units); break; case ASN_COUNTER64: #ifdef OPAQUE_SPECIAL_TYPES case ASN_OPAQUE_U64: case ASN_OPAQUE_I64: case ASN_OPAQUE_COUNTER64: #endif /* OPAQUE_SPECIAL_TYPES */ sprint_counter64(buf, var, enums, hint, units); break; #ifdef OPAQUE_SPECIAL_TYPES case ASN_OPAQUE_FLOAT: sprint_float(buf, var, enums, hint, units); break; case ASN_OPAQUE_DOUBLE: sprint_double(buf, var, enums, hint, units); break; #endif /* OPAQUE_SPECIAL_TYPES */ default: DEBUGMSGTL(("sprint_by_type", "bad type: %d\n", var->type)); sprint_badtype(buf, var, enums, hint, units); break; } } struct tree *get_tree_head(void) { return(tree_head); } static char *confmibdir=NULL; static char *confmibs=NULL; void handle_mibdirs_conf(char *token, char *line) { if (confmibdir) free(confmibdir); confmibdir=strdup(line); DEBUGMSGTL(("read_config:initmib", "using mibdir path: %s\n", line)); } void handle_mibs_conf(char *token, char *line) { if (confmibs) free(confmibs); confmibs=strdup(line); DEBUGMSGTL(("read_config:initmib", "using mibs: %s\n", line)); } void handle_mibfile_conf(char *token, char *line) { DEBUGMSGTL(("read_config:initmib", "reading mibfile: %s\n", line)); read_mib(line); } void register_mib_handlers (void) { register_premib_handler("snmp","mibdirs", (void (*)(char *,char *))handle_mibdirs_conf,NULL, "[mib-dirs|+mib-dirs]"); register_premib_handler("snmp","mibs", (void (*)(char *,char *))handle_mibs_conf,NULL, "[mib-tokens|+mib-tokens]"); register_config_handler("snmp","mibfile", (void (*)(char *,char *))handle_mibfile_conf,NULL, "mibfile-to-read"); } void init_mib (void) { char *prefix; char *env_var, *entry; PrefixListPtr pp = &mib_prefixes[0]; if (Mib) return; /* Initialise the MIB directory/ies */ /* we can't use the environment variable directly, because strtok will modify it. */ env_var = getenv("MIBDIRS"); if ( env_var == NULL ) { if (confmibdir != NULL) env_var = strdup(confmibdir); else env_var = strdup(DEFAULT_MIBDIRS); } else { env_var = strdup(env_var); } if (*env_var == '+') { entry = (char *)malloc(strlen(DEFAULT_MIBDIRS)+strlen(env_var)+2); sprintf(entry, "%s%c%s", DEFAULT_MIBDIRS, ENV_SEPARATOR_CHAR, env_var+1); free(env_var); env_var = entry; } DEBUGMSGTL(("init_mib","Looking in %s for mibs...\n",env_var)); entry = strtok( env_var, ENV_SEPARATOR ); while ( entry ) { add_mibdir(entry); entry = strtok( NULL, ENV_SEPARATOR); } free(env_var); init_mib_internals(); /* Read in any modules or mibs requested */ env_var = getenv("MIBS"); if ( env_var == NULL ) { if (confmibs != NULL) env_var = strdup(confmibs); else env_var = strdup(DEFAULT_MIBS); } else { env_var = strdup(env_var); } if (*env_var == '+') { entry = (char *)malloc(strlen(DEFAULT_MIBS)+strlen(env_var)+2); sprintf(entry, "%s%c%s", DEFAULT_MIBS, ENV_SEPARATOR_CHAR, env_var+1); free(env_var); env_var = entry; } DEBUGMSGTL(("init_mib","Looking for mibs... %s\n",env_var)); if (strcmp (env_var, "ALL") == 0) { read_all_mibs(); } else { entry = strtok( env_var, ENV_SEPARATOR ); while ( entry ) { read_module(entry); entry = strtok( NULL, ENV_SEPARATOR); } adopt_orphans(); } free(env_var); env_var = getenv("MIBFILES"); if ( env_var != NULL ) { if (*env_var == '+') { #ifdef DEFAULT_MIBFILES entry = (char *)malloc(strlen(DEFAULT_MIBFILES)+strlen(env_var)+2); sprintf(entry, "%s%c%s", DEFAULT_MIBFILES, ENV_SEPARATOR_CHAR, env_var+1); env_var = entry; #else env_var = strdup(env_var+1); #endif } else { env_var = strdup(env_var); } } else { #ifdef DEFAULT_MIBFILES env_var = strdup(DEFAULT_MIBFILES); #endif } if ( env_var != 0 ) { entry = strtok( env_var, ENV_SEPARATOR ); while ( entry ) { read_mib(entry); entry = strtok( NULL, ENV_SEPARATOR); } } prefix = getenv("PREFIX"); if (!prefix) prefix = Standard_Prefix; Prefix = (char*)malloc(strlen(prefix)+2); strcpy(Prefix, prefix); /* remove trailing dot */ env_var = &Prefix[strlen(Prefix) - 1]; if (*env_var == '.') *env_var = '\0'; pp->str = Prefix; /* fixup first mib_prefix entry */ /* now that the list of prefixes is built, save each string length. */ while (pp->str) { pp->len = strlen(pp->str); pp++; } if (getenv("SUFFIX")) suffix_only = 1; Mib = tree_head; /* Backwards compatibility */ } void print_mib (FILE *fp) { print_subtree (fp, tree_head, 0); } void print_ascii_dump (FILE *fp) { fprintf(fp, "dump DEFINITIONS ::= BEGIN\n"); print_ascii_dump_tree (fp, tree_head, 0); fprintf(fp, "END\n"); } void set_function(struct tree *subtree) { switch(subtree->type){ case TYPE_OBJID: subtree->printer = sprint_object_identifier; break; case TYPE_OCTETSTR: subtree->printer = sprint_octet_string; break; case TYPE_INTEGER: subtree->printer = sprint_integer; break; case TYPE_NETADDR: subtree->printer = sprint_networkaddress; break; case TYPE_IPADDR: subtree->printer = sprint_ipaddress; break; case TYPE_COUNTER: subtree->printer = sprint_counter; break; case TYPE_GAUGE: subtree->printer = sprint_gauge; break; case TYPE_TIMETICKS: subtree->printer = sprint_timeticks; break; case TYPE_OPAQUE: subtree->printer = sprint_opaque; break; case TYPE_NULL: subtree->printer = sprint_null; break; case TYPE_BITSTRING: subtree->printer = sprint_bitstring; break; case TYPE_NSAPADDRESS: subtree->printer = sprint_nsapaddress; break; case TYPE_COUNTER64: subtree->printer = sprint_counter64; break; case TYPE_UINTEGER: subtree->printer = sprint_uinteger; break; case TYPE_OTHER: default: subtree->printer = sprint_unknowntype; break; } } int read_objid(char *input, oid *output, int *out_len) /* number of subid's in "output" */ { struct tree *root = tree_head; oid *op = output; char buf[SPRINT_MAX_LEN]; if (*input == '.') input++; else { /* get past leading '.', append '.' to Prefix. */ if (*Prefix == '.') strcpy(buf, Prefix+1); else strcpy(buf, Prefix); strcat(buf, "."); strcat(buf, input); input = buf; } if (root == NULL){ #if 0 fprintf(stderr, "Mib not initialized. Exiting.\n"); exit(1); #endif *out_len = 0; return(0); } if ((*out_len = parse_subtree(root, input, output, out_len)) == 0) return (0); *out_len += output - op; return (1); } static int parse_subtree(struct tree *subtree, char *input, oid *output, int *out_len) /* number of subid's */ { char buf[SPRINT_MAX_LEN], *to = buf; u_long subid = 0; struct tree *tp; /* * No empty strings. Can happen if there is a trailing '.' or two '.'s * in a row, i.e. "..". */ if ((*input == '\0') || (*input == '.')) return (0); if (isdigit(*input)) { /* * Read the number, then try to find it in the subtree. */ while (isdigit(*input)) { subid *= 10; subid += *input++ - '0'; } for (tp = subtree; tp; tp = tp->next_peer) { if (tp->subid == subid) goto found; } tp = NULL; } else { /* * Read the name into a buffer. */ while ((*input != '\0') && (*input != '.')) { *to++ = *input++; } *to = '\0'; /* * Find the name in the subtree; */ for (tp = subtree; tp; tp = tp->next_peer) { if (strcasecmp(tp->label, buf) == 0) { subid = tp->subid; goto found; } } /* * If we didn't find the entry, punt... */ if (tp == NULL) { fprintf(stderr, "sub-identifier not found: %s\n", buf); return (0); } } found: if(subid > (u_long)MAX_SUBID){ fprintf(stderr, "sub-identifier too large: %s\n", buf); return (0); } if ((*out_len)-- <= 0){ fprintf(stderr, "object identifier too long\n"); return (0); } *output++ = subid; if (*input != '.') return (1); if ((*out_len = parse_subtree(tp ? tp->child_list : NULL, ++input, output, out_len)) == 0) return (0); return (++*out_len); } char * sprint_objid(char *buf, oid *objid, int objidlen) /* number of subidentifiers */ { char tempbuf[SPRINT_MAX_LEN], *cp; struct tree *subtree = tree_head; *tempbuf = '.'; /* this is a fully qualified name */ subtree = get_symbol(objid, objidlen, subtree, tempbuf + 1); if (suffix_only){ for(cp = tempbuf; *cp; cp++) ; while(cp >= tempbuf){ if (isalpha(*cp)) break; cp--; } while(cp >= tempbuf){ if (*cp == '.') break; cp--; } cp++; if (suffix_only == 2 && cp > tempbuf) { char modbuf[256]; char *mod = module_name(subtree->modid, modbuf); int len = strlen(mod); if (len >= cp-tempbuf) { memmove(tempbuf+len+1, cp, strlen(cp)+1); cp = tempbuf+len+1; } cp -= len+1; memcpy(cp, mod, len); cp[len] = ':'; } } else if (!full_objid) { PrefixListPtr pp = &mib_prefixes[0]; int ii, ilen, tlen; char * testcp; cp = tempbuf; tlen = strlen(tempbuf); ii = 0; while (pp->str) { ilen = pp->len; testcp = pp->str; if ((tlen > ilen) && !memcmp(tempbuf, testcp, ilen)) { cp += (ilen + 1); break; } pp++; } } else cp = tempbuf; strcpy(buf, cp); return buf; } void print_objid(oid *objid, int objidlen) /* number of subidentifiers */ { fprint_objid(stdout, objid, objidlen); } void fprint_objid(FILE *f, oid *objid, int objidlen) /* number of subidentifiers */ { char buf[SPRINT_MAX_LEN]; sprint_objid(buf, objid, objidlen); fprintf(f, "%s\n", buf); } void sprint_variable(char *buf, oid *objid, int objidlen, struct variable_list *variable) { char tempbuf[SPRINT_MAX_LEN]; struct tree *subtree = tree_head; sprint_objid(buf, objid, objidlen); buf += strlen(buf); if (quick_print) strcat(buf, " "); else strcat(buf, " = "); buf += strlen(buf); if (variable->type == SNMP_NOSUCHOBJECT) sprintf(buf, "No Such Object available on this agent"); else if (variable->type == SNMP_NOSUCHINSTANCE) sprintf(buf, "No Such Instance currently exists"); else if (variable->type == SNMP_ENDOFMIBVIEW) sprintf(buf, "No more variables left in this MIB View"); else { *tempbuf = '.'; /* this is a fully qualified name */ subtree = get_symbol(objid, objidlen, subtree, tempbuf + 1); buf += strlen(buf); if (subtree->printer) (*subtree->printer)(buf, variable, subtree->enums, subtree->hint, subtree->units); else { sprint_by_type(buf, variable, subtree->enums, subtree->hint, subtree->units); } } } void print_variable(oid *objid, int objidlen, struct variable_list *variable) { fprint_variable(stdout, objid, objidlen, variable); } void fprint_variable(FILE *f, oid *objid, int objidlen, struct variable_list *variable) { char buf[SPRINT_MAX_LEN]; sprint_variable(buf, objid, objidlen, variable); fprintf(f, "%s\n", buf); } void sprint_value(char *buf, oid *objid, int objidlen, struct variable_list *variable) { char tempbuf[SPRINT_MAX_LEN]; struct tree *subtree = tree_head; if (variable->type == SNMP_NOSUCHOBJECT) sprintf(buf, "No Such Object available on this agent"); else if (variable->type == SNMP_NOSUCHINSTANCE) sprintf(buf, "No Such Instance currently exists"); else if (variable->type == SNMP_ENDOFMIBVIEW) sprintf(buf, "No more variables left in this MIB View"); else { subtree = get_symbol(objid, objidlen, subtree, tempbuf); if (subtree->printer) (*subtree->printer)(buf, variable, subtree->enums, subtree->hint, subtree->units); else { sprint_by_type(buf, variable, subtree->enums, subtree->hint, subtree->units); } } } void print_value(oid *objid, int objidlen, struct variable_list *variable) { fprint_value(stdout, objid, objidlen, variable); } void fprint_value(FILE *f, oid *objid, int objidlen, struct variable_list *variable) { char tempbuf[SPRINT_MAX_LEN]; sprint_value(tempbuf, objid, objidlen, variable); fprintf(f, "%s\n", tempbuf); } struct tree * get_symbol(oid *objid, int objidlen, struct tree *subtree, char *buf) { struct tree *return_tree = NULL; for(; subtree; subtree = subtree->next_peer){ if (*objid == subtree->subid){ if (!strncmp( subtree->label, ANON, ANON_LEN)) sprintf(buf, "%lu", subtree->subid); else strcpy(buf, subtree->label); goto found; } } /* subtree not found */ while(objidlen--){ /* output rest of name, uninterpreted */ sprintf(buf, "%lu.", *objid++); while(*buf) buf++; } *(buf - 1) = '\0'; /* remove trailing dot */ return NULL; found: if (objidlen > 1){ while(*buf) buf++; *buf++ = '.'; *buf = '\0'; return_tree = get_symbol(objid + 1, objidlen - 1, subtree->child_list, buf); } if (return_tree != NULL) return return_tree; else return subtree; } /* * Clone of get_symbol that doesn't take a buffer argument */ struct tree * get_tree(oid *objid, int objidlen, struct tree *subtree) { struct tree *return_tree = NULL; for(; subtree; subtree = subtree->next_peer){ if (*objid == subtree->subid) goto found; } return NULL; found: if (objidlen > 1) return_tree = get_tree(objid + 1, objidlen - 1, subtree->child_list); if (return_tree != NULL) return return_tree; else return subtree; } void print_description(oid *objid, int objidlen) /* number of subidentifiers */ { fprint_description(stdout, objid, objidlen); } void fprint_description(FILE *f, oid *objid, int objidlen) /* number of subidentifiers */ { struct tree *tp = get_tree(objid, objidlen, tree_head); print_tree_node(f, tp); } void print_tree_node(FILE *f, struct tree *tp) { char *cp; char str[32]; if (tp) { switch (tp->type) { case TYPE_OBJID: cp = (char*)"OBJECT IDENTIFIER"; break; case TYPE_OCTETSTR: cp = (char*)"OCTET STRING"; break; case TYPE_INTEGER: cp = (char*)"INTEGER"; break; case TYPE_NETADDR: cp = (char*)"NetworkAddress"; break; case TYPE_IPADDR: cp = (char*)"IpAddress"; break; case TYPE_COUNTER: cp = (char*)"Counter"; break; case TYPE_GAUGE: cp = (char*)"Gauge"; break; case TYPE_TIMETICKS: cp = (char*)"TimeTicks"; break; case TYPE_OPAQUE: cp = (char*)"Opaque"; break; case TYPE_NULL: cp = (char*)"NULL"; break; case TYPE_COUNTER64: cp = (char*)"Counter64"; break; case TYPE_BITSTRING: cp = (char*)"BIT STRING"; break; case TYPE_NSAPADDRESS: cp = (char*)"NsapAddress"; break; case TYPE_UINTEGER: cp = (char*)"UInteger32"; break; case 0: cp = NULL; break; default: sprintf(str,"type_%d", tp->type); cp = str; } if (cp) fprintf(f, "SYNTAX\t%s\n", cp); if (tp->hint) fprintf(f, "DISPLAY-HINT\t\"%s\"\n", tp->hint); if (tp->units) fprintf(f, "UNITS\t\"%s\"\n", tp->units); switch (tp->access) { case MIB_ACCESS_READONLY: cp = (char*)"read-only"; break; case MIB_ACCESS_READWRITE: cp = (char*)"read-write"; break; case MIB_ACCESS_WRITEONLY: cp = (char*)"write-only"; break; case MIB_ACCESS_NOACCESS: cp = (char*)"not-accessible"; break; case MIB_ACCESS_NOTIFY: cp = (char*)"accessible-for-notify"; break; case MIB_ACCESS_CREATE: cp = (char*)"read-create"; break; case 0: cp = NULL; break; default: sprintf(str,"access_%d", tp->access); cp = str; } if (cp) fprintf(f, "MAX-ACCESS\t%s\n", cp); switch (tp->status) { case MIB_STATUS_MANDATORY: cp = (char*)"mandatory"; break; case MIB_STATUS_OPTIONAL: cp = (char*)"optional"; break; case MIB_STATUS_OBSOLETE: cp = (char*)"obsolete"; break; case MIB_STATUS_DEPRECATED: cp = (char*)"deprecated"; break; case MIB_STATUS_CURRENT: cp = (char*)"current"; break; case 0: cp = NULL; break; default: sprintf(str,"status_%d", tp->status); cp = str; } if (cp) fprintf(f, "STATUS\t%s\n", cp); if (tp->description) fprintf(f, "DESCRIPTION\t\"%s\"\n", tp->description); } else fprintf(f, "No description\n"); } int get_module_node(char *name, char *module, oid *objid, int *objidlen) { int modid, subid, numids; struct tree *tp, *tp2; oid newname[MAX_OID_LEN], *op; char *cp, *cp2; if ( !strcmp(module, "ANY") ) modid = -1; else { read_module(module); modid = which_module( module ); if (modid == -1) return 0; } /* Isolate the first component of the name ... */ cp = strchr( name, '.' ); if ( cp != NULL ) { *cp = '\0'; cp++; } /* ... and locate it in the tree. */ tp = find_tree_node(name, modid); if (tp){ /* Build up the object ID, working backwards, starting from the end of the buffer. */ tp2 = tp; for(op = newname + (MAX_OID_LEN - 1), numids = 1; op >= newname; op--, numids++){ *op = tp2->subid; tp2 = tp2->parent; if (tp2 == NULL) break; } if (numids > *objidlen) return 0; *objidlen = numids; memmove(objid, op, numids * sizeof(oid)); /* If the name requested was more than one element, tag on the rest of the components */ while ( cp != NULL ) { cp2 = strchr( cp, '.' ); /* Isolate the next entry */ if ( cp2 != NULL ) { *cp2 = '\0'; cp2++; } /* Is it numeric ? */ if ( isdigit( *cp ) ) subid=(atoi(cp)); else subid = -1; /* Search for the appropriate child */ if ( tp != NULL ) tp2 = tp->child_list; while ( tp2 != NULL ) { if (( (int)tp2->subid == subid ) || ( !strcasecmp( tp2->label, cp ))) { objid[ *objidlen ] = tp2->subid; (*objidlen)++; tp = tp2; break; } tp2 = tp2->next_peer; } if ( tp2 == NULL ) { if ( subid == -1 ) return 0; /* pure numeric from now on */ objid[ *objidlen ] = subid; (*objidlen)++; tp = NULL; } cp = cp2; } return 1; } else { return 0; } } int get_node(char *name, oid *objid, int *objidlen) { char *cp; if (( cp=strchr(name, ':')) == NULL ) return( get_module_node( name, "ANY", objid, objidlen )); else { char *module; int res; /* * requested name is of the form * "module:subidentifier" */ module = (char *)malloc(cp-name+1); memcpy(module,name,cp-name); module[cp-name] = 0; cp++; /* cp now point to the subidentifier */ /* 'cp' and 'name' *do* go that way round! */ res = get_module_node( cp, module, objid, objidlen ); free(module); return res; } } #ifdef testing main(int argc, char* argv[]) { oid objid[MAX_OID_LEN]; int objidlen = MAX_OID_LEN; int count; struct variable_list variable; init_mib(); if (argc < 2) print_subtree(stdout, tree_head, 0); variable.type = ASN_INTEGER; variable.val.integer = 3; variable.val_len = 4; for (argc--; argc; argc--, argv++) { objidlen = MAX_OID_LEN; printf("read_objid(%s) = %d\n", argv[1], read_objid(argv[1], objid, &objidlen)); for(count = 0; count < objidlen; count++) printf("%d.", objid[count]); printf("\n"); print_variable(objid, objidlen, &variable); } } #endif /* testing */ void print_oid_report (FILE *fp) { struct tree *tp; for (tp = tree_head ; tp ; tp=tp->next_peer) print_subtree_oid_report (fp, tp, 0); } void print_oid_report_enable_labeledoid (void) { print_subtree_oid_report_enable_labeledoid (); } void print_oid_report_enable_oid (void) { print_subtree_oid_report_enable_oid (); } void print_oid_report_enable_suffix (void) { print_subtree_oid_report_enable_suffix (); } void print_oid_report_enable_symbolic (void) { print_subtree_oid_report_enable_symbolic (); } void print_oid_report_disable_labeledoid (void) { print_subtree_oid_report_disable_labeledoid (); } void print_oid_report_disable_oid (void) { print_subtree_oid_report_disable_oid (); } void print_oid_report_disable_suffix (void) { print_subtree_oid_report_disable_suffix (); } void print_oid_report_disable_symbolic (void) { print_subtree_oid_report_disable_symbolic (); } #ifdef CMU_COMPATIBLE /* * Convert timeticks to hours, minutes, seconds string. * Don't show centiseconds. */ char *uptime_string(u_long timeticks, char *buf) { char tbuf[64]; char * cp; uptimeString(timeticks, tbuf); cp = strrchr(tbuf, '.'); if (cp) *cp = '\0'; strcpy(buf, tbuf); return buf; } int mib_TxtToOid(char *Buf, oid **OidP, int *LenP) { return read_objid(Buf, *OidP, LenP); } int mib_OidToTxt(oid *O, int OidLen, char *Buf, int BufLen) { sprint_objid(Buf, O, OidLen); return 1; } #endif /* CMU_COMPATIBLE */