/********************************************************************** 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" static void sprint_by_type __P((char *, struct variable_list *, struct enum_list *, char *, char *)); static parse_subtree __P((struct tree *, char *, oid *, int *)); static char *uptimeString __P((u_long, char *)); static void sprint_hexstring __P((char *, u_char *, int)); static void sprint_asciistring __P((char *, u_char *, int)); static void sprint_octet_string __P((char *, struct variable_list *, struct enum_list *, char *, char *)); static void sprint_opaque __P((char *, struct variable_list *, struct enum_list *, char *, char *)); static void sprint_object_identifier __P((char *, struct variable_list *, struct enum_list *, char *, char *)); static void sprint_timeticks __P((char *, struct variable_list *, struct enum_list *, char *, char *)); static void sprint_hinted_integer __P((char *, long, char *, char *)); static void sprint_integer __P((char *, struct variable_list *, struct enum_list *, char *, char *)); static void sprint_uinteger __P((char *, struct variable_list *, struct enum_list *, char *, char *)); static void sprint_gauge __P((char *, struct variable_list *, struct enum_list *, char *, char *)); static void sprint_counter __P((char *, struct variable_list *, struct enum_list *, char *, char *)); static void sprint_networkaddress __P((char *, struct variable_list *, struct enum_list *, char *, char *)); static void sprint_ipaddress __P((char *, struct variable_list *, struct enum_list *, char *, char *)); static void sprint_null __P((char *, struct variable_list *, struct enum_list *, char *, char *)); static void sprint_bitstring __P((char *, struct variable_list *, struct enum_list *, char *, char *)); static void sprint_nsapaddress __P((char *, struct variable_list *, struct enum_list *, char *, char *)); static void sprint_counter64 __P((char *, struct variable_list *, struct enum_list *, char *, char *)); static void sprint_unknowntype __P((char *, struct variable_list *, struct enum_list *, char *, char *)); static void sprint_badtype __P((char *, struct variable_list *, struct enum_list *, char *, char *)); static char *get_description __P((oid *, int)); static int quick_print = 0; static int full_objid = 0; static int suffix_only = 0; void snmp_set_quick_print(val) int val; { quick_print = val; } int snmp_get_quick_print __P((void)) { return quick_print; } void snmp_set_full_objid(val) int val; { full_objid = val; } int snmp_get_full_objid __P((void)) { return full_objid; } void snmp_set_suffix_only(val) int val; { suffix_only = val; } int snmp_get_suffix_only __P((void)) { return suffix_only; } static char * uptimeString(timeticks, buf) register u_long timeticks; char *buf; { int seconds, minutes, hours, days; 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", days, hours, minutes, seconds); else { if (days == 0){ sprintf(buf, "%d:%02d:%02d", hours, minutes, seconds); } else if (days == 1) { sprintf(buf, "%d day, %d:%02d:%02d", days,hours,minutes,seconds); } else { sprintf(buf, "%d days, %d:%02d:%02d", days,hours,minutes,seconds); } } return buf; } static void sprint_hexstring(buf, cp, len) 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(buf, cp, len) 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(buf, var, enums, hint, units) 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); } static void sprint_opaque(buf, var, enums, hint, units) char *buf; struct variable_list *var; struct enum_list *enums; char *hint; char *units; { if (var->type != ASN_OPAQUE){ sprintf(buf, "Wrong Type (should be Opaque): "); buf += strlen(buf); sprint_by_type(buf, var, NULL, NULL, NULL); return; } if (!quick_print){ sprintf(buf, "OPAQUE: "); buf += strlen(buf); } sprint_hexstring(buf, var->val.string, var->val_len); buf += strlen (buf); if (units) sprintf (buf, " %s", units); } static void sprint_object_identifier(buf, var, enums, hint, units) 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(buf, var, enums, hint, units) 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 (buf, val, hint, units) 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(buf, var, enums, hint, units) 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(buf, var, enums, hint, units) 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, "%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_gauge(buf, var, enums, hint, units) 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(buf, var, enums, hint, units) 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(buf, var, enums, hint, units) 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(buf, var, enums, hint, units) 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(buf, var, enums, hint, units) 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(buf, var, enums, hint, units) 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(buf, var, enums, hint, units) 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(buf, var, enums, hint, units) char *buf; struct variable_list *var; struct enum_list *enums; char *hint; char *units; { if (var->type != ASN_COUNTER64){ sprintf(buf, "Wrong Type (should be Counter64): "); buf += strlen(buf); sprint_by_type(buf, var, NULL, NULL, NULL); return; } /* XXX */ if (!quick_print){ sprintf(buf, "Counter64: "); buf += strlen(buf); } sprintf(buf, printU64(var->val.counter64)); buf += strlen (buf); if (units) sprintf (buf, " %s", units); } static void sprint_unknowntype(buf, var, enums, hint, units) 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(buf, var, enums, hint, units) 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(buf, var, enums, hint, units) 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: sprint_counter64(buf, var, enums, hint, units); break; default: sprint_badtype(buf, var, enums, hint, units); break; } } oid RFC1213_MIB[] = { 1, 3, 6, 1, 2, 1 }; unsigned char RFC1213_MIB_text[] = ".iso.org.dod.internet.mgmt.mib-2"; unsigned char EXPERIMENTAL_MIB_text[] = ".iso.org.dod.internet.experimental"; unsigned char PRIVATE_MIB_text[] = ".iso.org.dod.internet.private"; unsigned char PARTY_MIB_text[] = ".iso.org.dod.internet.snmpParties"; unsigned char SECRETS_MIB_text[] = ".iso.org.dod.internet.snmpSecrets"; extern struct tree *tree_head; struct tree *Mib; /* Backwards compatibility */ char Standard_Prefix[] = ".1.3.6.1.2.1."; char Prefix[128]; struct tree *get_tree_head __P((void)) { return(tree_head); } void init_mib __P((void)) { char *prefix; char *env_var, *entry, path[300]; if (Mib) return; /* Initialise the MIB directory/ies */ env_var = getenv("MIBDIRS"); if ( env_var == NULL ) { strcpy(path, DEFAULT_MIBDIRS); env_var = path; } else if ( *env_var == '+' ) { strcpy(path, DEFAULT_MIBDIRS); *env_var = ENV_SEPARATOR_CHAR; strcat(path, env_var); env_var = path ; } entry = strtok( env_var, ENV_SEPARATOR ); while ( entry ) { add_mibdir(entry); entry = strtok( NULL, ENV_SEPARATOR); } init_mib_internals(); /* Read in any modules or mibs requested */ env_var = getenv("MIBS"); if ( env_var == NULL ) { strcpy(path, DEFAULT_MIBS); env_var = path; } if (strcmp (env_var, "ALL") == 0) { read_all_mibs(); } else { if ( *env_var == '+' ) { strcpy(path, DEFAULT_MIBS); *env_var = ENV_SEPARATOR_CHAR; strcat(path, env_var); env_var = path ; } entry = strtok( env_var, ENV_SEPARATOR ); while ( entry ) { read_module(entry); entry = strtok( NULL, ENV_SEPARATOR); } } env_var = getenv("MIBFILES"); if ( env_var == NULL ) { env_var = getenv("MIBFILE"); /* backwards compatibility */ #ifdef DEFAULT_MIBFILES if ( env_var == NULL ) { strcpy(path, DEFAULT_MIBFILES); env_var = path; } #endif } #ifdef DEFAULT_MIBFILES else if ( *env_var == '+') { strcpy(path, DEFAULT_MIBFILES); *env_var = ENV_SEPARATOR_CHAR; strcat(path, env_var); env_var = path ; } #endif if ( env_var != NULL ) { entry = strtok( env_var, ENV_SEPARATOR ); while ( entry ) { read_mib(entry); entry = strtok( NULL, ENV_SEPARATOR); } } prefix = getenv("PREFIX"); if (!prefix) prefix = Standard_Prefix; if (prefix[0] == '.') prefix++; /* get past leading dot. */ strcpy(Prefix, prefix); if (Prefix[strlen(Prefix) - 1] != '.') strcat(Prefix, "."); /* add a trailing dot in case user didn't */ if (getenv("SUFFIX")) suffix_only = TRUE; Mib = tree_head; /* Backwards compatibility */ } void print_mib (fp) FILE *fp; { print_subtree (fp, tree_head, 0); } void print_ascii_dump (fp) FILE *fp; { fprintf(fp, "dump DEFINITIONS ::= BEGIN\n"); print_ascii_dump_tree (fp, tree_head, 0); fprintf(fp, "END\n"); } void set_function(subtree) 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(input, output, out_len) char *input; oid *output; int *out_len; /* number of subid's in "output" */ { struct tree *root = tree_head; oid *op = output; char buf[512]; if (*input == '.') input++; else { strcpy(buf, Prefix); strcat(buf, input); input = buf; } if (root == NULL){ fprintf(stderr, "Mib not initialized. Exiting.\n"); exit(1); } if ((*out_len = parse_subtree(root, input, output, out_len)) == 0) return (0); *out_len += output - op; return (1); } static int parse_subtree(subtree, input, output, out_len) struct tree *subtree; char *input; oid *output; int *out_len; /* number of subid's */ { char buf[128], *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(buf, objid, objidlen) char *buf; oid *objid; int objidlen; /* number of subidentifiers */ { char tempbuf[2048], *cp; struct tree *subtree = tree_head; *tempbuf = '.'; /* this is a fully qualified name */ 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++; } else if (!full_objid) { cp = tempbuf; if (strlen(tempbuf) > strlen(RFC1213_MIB_text) && !memcmp(tempbuf, RFC1213_MIB_text, strlen(RFC1213_MIB_text))) cp += sizeof(RFC1213_MIB_text); if (strlen(tempbuf) > strlen(EXPERIMENTAL_MIB_text) && !memcmp(tempbuf, EXPERIMENTAL_MIB_text, strlen(EXPERIMENTAL_MIB_text))) cp += sizeof(EXPERIMENTAL_MIB_text); if (strlen(tempbuf) > strlen(PRIVATE_MIB_text) && !memcmp(tempbuf, PRIVATE_MIB_text, strlen(PRIVATE_MIB_text))) cp += sizeof(PRIVATE_MIB_text); if (strlen(tempbuf) > strlen(PARTY_MIB_text) && !memcmp(tempbuf, PARTY_MIB_text, strlen(PARTY_MIB_text))) cp += sizeof(PARTY_MIB_text); if (strlen(tempbuf) > strlen(SECRETS_MIB_text) && !memcmp(tempbuf, SECRETS_MIB_text, strlen(SECRETS_MIB_text))) cp += sizeof(SECRETS_MIB_text); if (strlen(tempbuf) > strlen(Prefix) && !memcmp(tempbuf, Prefix, strlen(Prefix))) cp += strlen(Prefix) + 1; } else cp = tempbuf; strcpy(buf, cp); return buf; } void print_objid(objid, objidlen) oid *objid; int objidlen; /* number of subidentifiers */ { char buf[256]; sprint_objid(buf, objid, objidlen); printf("%s\n", buf); } void fprint_objid(f, objid, objidlen) FILE *f; oid *objid; int objidlen; /* number of subidentifiers */ { char buf[256]; sprint_objid(buf, objid, objidlen); fprintf(f, "%s\n", buf); } void sprint_variable(buf, objid, objidlen, variable) char *buf; oid *objid; int objidlen; struct variable_list *variable; { char tempbuf[2048]; 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(objid, objidlen, variable) oid *objid; int objidlen; struct variable_list *variable; { char buf[2048]; sprint_variable(buf, objid, objidlen, variable); printf("%s\n", buf); } void fprint_variable(f, objid, objidlen, variable) FILE *f; oid *objid; int objidlen; struct variable_list *variable; { char buf[2048]; sprint_variable(buf, objid, objidlen, variable); fprintf(f, "%s\n", buf); } void sprint_value(buf, objid, objidlen, variable) char *buf; oid *objid; int objidlen; struct variable_list *variable; { char tempbuf[2048]; struct tree *subtree = tree_head; if (variable->type == SNMP_NOSUCHOBJECT) sprintf(buf, "No Such Object available on this agent\n"); else if (variable->type == SNMP_NOSUCHINSTANCE) sprintf(buf, "No Such Instance currently exists\n"); else if (variable->type == SNMP_ENDOFMIBVIEW) sprintf(buf, "No more variables left in this MIB View\n"); 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(objid, objidlen, variable) oid *objid; int objidlen; struct variable_list *variable; { char tempbuf[2048]; sprint_value(tempbuf, objid, objidlen, variable); printf("%s\n", tempbuf); } void fprint_value(f, objid, objidlen, variable) FILE *f; oid *objid; int objidlen; struct variable_list *variable; { char tempbuf[2048]; sprint_value(tempbuf, objid, objidlen, variable); fprintf(f, "%s\n", tempbuf); } struct tree * get_symbol(objid, objidlen, subtree, buf) 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(objid, objidlen, subtree) 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; } static char * get_description(objid, objidlen) oid *objid; int objidlen; /* number of subidentifiers */ { struct tree *subtree = tree_head; subtree = get_tree(objid, objidlen, subtree); if (subtree) return (subtree->description); else return NULL; } void print_description(objid, objidlen) oid *objid; int objidlen; /* number of subidentifiers */ { fprint_description(stdout, objid, objidlen); } void fprint_description(f, objid, objidlen) FILE *f; oid *objid; int objidlen; /* number of subidentifiers */ { struct tree *tp = get_tree(objid, objidlen, tree_head); char *cp; char str[32]; if (tp) { switch (tp->type) { case TYPE_OBJID: cp = "OBJECT IDENTIFIER"; break; case TYPE_OCTETSTR: cp = "OCTET STRING"; break; case TYPE_INTEGER: cp = "INTEGER"; break; case TYPE_NETADDR: cp = "NetworkAddress"; break; case TYPE_IPADDR: cp = "IpAddress"; break; case TYPE_COUNTER: cp = "Counter"; break; case TYPE_GAUGE: cp = "Gauge"; break; case TYPE_TIMETICKS: cp = "TimeTicks"; break; case TYPE_OPAQUE: cp = "Opaque"; break; case TYPE_NULL: cp = "NULL"; break; case TYPE_COUNTER64: cp = "Counter64"; break; case TYPE_BITSTRING: cp = "BIT STRING"; break; case TYPE_NSAPADDRESS: cp = "NsapAddress"; break; case TYPE_UINTEGER: cp = "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 ACCESS_READONLY: cp = "read-only"; break; case ACCESS_READWRITE: cp = "read-write"; break; case ACCESS_WRITEONLY: cp = "write-only"; break; case ACCESS_NOACCESS: cp = "not-accessible"; break; case ACCESS_NOTIFY: cp = "accessible-for-notify"; break; case ACCESS_CREATE: cp = "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 STATUS_MANDATORY: cp = "mandatory"; break; case STATUS_OPTIONAL: cp = "optional"; break; case STATUS_OBSOLETE: cp = "obsolete"; break; case STATUS_DEPRECATED: cp = "deprecated"; break; case STATUS_CURRENT: cp = "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(name, module, objid, objidlen) char *name; char *module; oid *objid; int *objidlen; { int modid, subid; struct tree *tp, *tp2; oid newname[64], *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 + 63; op >= newname; op--){ *op = tp2->subid; tp2 = tp2->parent; if (tp2 == NULL) break; } if (newname + 64 - op > *objidlen) return 0; *objidlen = newname + 64 - op; memmove(objid, op, (newname + 64 - op) * 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 (( 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(name, objid, objidlen) 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 = 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(argc, argv) int argc; char *argv[]; { oid objid[64]; int objidlen = sizeof (objid); int count; struct variable 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 = sizeof (objid); 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 */