/********************************************************************** 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 #ifdef VXWORKS #include #else #include #endif #include "asn1.h" #include "snmp.h" #include "snmp_impl.h" #include "snmp_api.h" #include "parse.h" static void sprint_by_type(); 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 (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 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 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'; } #ifdef UNUSED int read_rawobjid(input, output, out_len) char *input; oid *output; int *out_len; { char buf[12], *cp; oid *op = output; u_long subid; while(*input != '\0'){ if (!isdigit(*input)) break; cp = buf; while(isdigit(*input)) *cp++ = *input++; *cp = '\0'; subid = atoi(buf); if(subid > 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; } *op++ = subid; if(*input++ != '.') break; } *out_len = op - output; if (*out_len == 0) return 0; return 1; } #endif /* UNUSED */ /* 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) char *buf; struct variable_list *var; struct enum_list *enums; { int hex, x, guessed = 0; u_char *cp; if (var->type != ASN_OCTET_STR){ sprintf(buf, "Wrong Type (should be OCTET STRING): "); buf += strlen(buf); sprint_by_type(buf, var, (struct enum_list *)NULL); 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){ sprintf(buf, " Hex: "); buf += strlen(buf); sprint_hexstring(buf, var->val.string, var->val_len); } } static void sprint_opaque(buf, var, enums) char *buf; struct variable_list *var; struct enum_list *enums; { if (var->type != OPAQUE){ sprintf(buf, "Wrong Type (should be Opaque): "); buf += strlen(buf); sprint_by_type(buf, var, (struct enum_list *)NULL); return; } sprintf(buf, "OPAQUE: "); buf += strlen(buf); sprint_hexstring(buf, var->val.string, var->val_len); } static void sprint_object_identifier(buf, var, enums) char *buf; struct variable_list *var; struct enum_list *enums; { if (var->type != ASN_OBJECT_ID){ sprintf(buf, "Wrong Type (should be OBJECT IDENTIFIER): "); buf += strlen(buf); sprint_by_type(buf, var, (struct enum_list *)NULL); return; } sprintf(buf, "OID: "); buf += strlen(buf); sprint_objid(buf, (oid *)(var->val.objid), var->val_len / sizeof(oid)); } static void sprint_timeticks(buf, var, enums) char *buf; struct variable_list *var; struct enum_list *enums; { char timebuf[32]; if (var->type != TIMETICKS){ sprintf(buf, "Wrong Type (should be Timeticks): "); buf += strlen(buf); sprint_by_type(buf, var, (struct enum_list *)NULL); return; } sprintf(buf, "Timeticks: (%d) %s", *(u_long *)(var->val.integer), uptimeString(*(u_long *)(var->val.integer), timebuf)); } static void sprint_integer(buf, var, enums) char *buf; struct variable_list *var; struct enum_list *enums; { char *enum_string = NULL; if (var->type != ASN_INTEGER){ sprintf(buf, "Wrong Type (should be INTEGER): "); buf += strlen(buf); sprint_by_type(buf, var, (struct enum_list *)NULL); return; } for (; enums; enums = enums->next) if (enums->value == *var->val.integer){ enum_string = enums->label; break; } if (enum_string == NULL) sprintf(buf, "%d", *var->val.integer); else sprintf(buf, "%s(%d)", enum_string, *var->val.integer); } static void sprint_uinteger(buf, var, enums) char *buf; struct variable_list *var; struct enum_list *enums; { char *enum_string = NULL; if (var->type != UINTEGER){ sprintf(buf, "Wrong Type (should be UInteger32): "); buf += strlen(buf); sprint_by_type(buf, var, (struct enum_list *)NULL); return; } for (; enums; enums = enums->next) if (enums->value == *var->val.integer){ enum_string = enums->label; break; } if (enum_string == NULL) sprintf(buf, "%d", *var->val.integer); else sprintf(buf, "%s(%d)", enum_string, *var->val.integer); } static void sprint_gauge(buf, var, enums) char *buf; struct variable_list *var; struct enum_list *enums; { if (var->type != GAUGE){ sprintf(buf, "Wrong Type (should be Gauge): "); buf += strlen(buf); sprint_by_type(buf, var, (struct enum_list *)NULL); return; } sprintf(buf, "Gauge: %lu", *var->val.integer); } static void sprint_counter(buf, var, enums) char *buf; struct variable_list *var; struct enum_list *enums; { if (var->type != COUNTER){ sprintf(buf, "Wrong Type (should be Counter): "); buf += strlen(buf); sprint_by_type(buf, var, (struct enum_list *)NULL); return; } sprintf(buf, "%lu", *var->val.integer); } static void sprint_networkaddress(buf, var, enums) char *buf; struct variable_list *var; struct enum_list *enums; { int x, len; u_char *cp; 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) char *buf; struct variable_list *var; struct enum_list *enums; { u_char *ip; if (var->type != IPADDRESS){ sprintf(buf, "Wrong Type (should be Ipaddress): "); buf += strlen(buf); sprint_by_type(buf, var, (struct enum_list *)NULL); return; } ip = var->val.string; sprintf(buf, "IpAddress: %d.%d.%d.%d",ip[0], ip[1], ip[2], ip[3]); } static void sprint_unsigned_short(buf, var, enums) char *buf; struct variable_list *var; struct enum_list *enums; { if (var->type != ASN_INTEGER){ sprintf(buf, "Wrong Type (should be INTEGER): "); buf += strlen(buf); sprint_by_type(buf, var, (struct enum_list *)NULL); return; } sprintf(buf, "INT: %lu", *var->val.integer); } static void sprint_null(buf, var, enums) char *buf; struct variable_list *var; struct enum_list *enums; { if (var->type != ASN_NULL){ sprintf(buf, "Wrong Type (should be NULL): "); buf += strlen(buf); sprint_by_type(buf, var, (struct enum_list *)NULL); return; } sprintf(buf, "NULL"); } static void sprint_bitstring(buf, var, enums) char *buf; struct variable_list *var; struct enum_list *enums; { int len, bit; u_char *cp; char *enum_string; if (var->type != ASN_BIT_STR){ sprintf(buf, "Wrong Type (should be BIT STRING): "); buf += strlen(buf); sprint_by_type(buf, var, (struct enum_list *)NULL); return; } sprintf(buf, "BIT_STRING: "); buf += strlen(buf); sprint_hexstring(buf, var->val.bitstring, var->val_len); buf += strlen(buf); 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) char *buf; struct variable_list *var; struct enum_list *enums; { if (var->type != NSAP){ sprintf(buf, "Wrong Type (should be NsapAddress): "); buf += strlen(buf); sprint_by_type(buf, var, (struct enum_list *)NULL); return; } sprintf(buf, "NsapAddress: "); buf += strlen(buf); sprint_hexstring(buf, var->val.string, var->val_len); } static void sprint_counter64(buf, var, enums) char *buf; struct variable_list *var; struct enum_list *enums; { struct counter64 *cp; if (var->type != COUNTER64){ sprintf(buf, "Wrong Type (should be Counter64): "); buf += strlen(buf); sprint_by_type(buf, var, (struct enum_list *)NULL); return; } /* XXX */ sprintf(buf, "Counter64: "); buf += strlen(buf); sprint_hexstring(buf, &var->val.counter64->high, sizeof(var->val.counter64->high)); buf += strlen(buf); sprint_hexstring(buf, &var->val.counter64->low, sizeof(var->val.counter64->low)); } static void sprint_unknowntype(buf, var, enums) char *buf; struct variable_list *var; struct enum_list *enums; { /* sprintf(buf, "Variable has bad type"); */ sprint_by_type(buf, var, NULL); } static void sprint_badtype(buf, var, enums) char *buf; struct variable_list *var; struct enum_list *enums; { sprintf(buf, "Variable has bad type"); } static void sprint_by_type(buf, var, enums) char *buf; struct variable_list *var; struct enum_list *enums; { switch (var->type){ case ASN_INTEGER: sprint_integer(buf, var, enums); break; case ASN_OCTET_STR: sprint_octet_string(buf, var, enums); break; case OPAQUE: sprint_opaque(buf, var, enums); break; case ASN_OBJECT_ID: sprint_object_identifier(buf, var, enums); break; case TIMETICKS: sprint_timeticks(buf, var, enums); break; case GAUGE: sprint_gauge(buf, var, enums); break; case COUNTER: sprint_counter(buf, var, enums); break; case IPADDRESS: sprint_ipaddress(buf, var, enums); break; case ASN_NULL: sprint_null(buf, var, enums); break; case UINTEGER: sprint_uinteger(buf, var, enums); break; default: sprint_badtype(buf, var, enums); break; } } struct tree *get_symbol(); 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"; struct tree *Mib; char Standard_Prefix[] = ".1.3.6.1.2.1."; char Prefix[128]; int Suffix; #ifdef VXWORKS extern struct tree pso_mibdata; void set_parents(struct tree* tp) { if (tp->child_list) { tp->child_list->parent = tp; set_parents(tp->child_list); } if (tp->next_peer) { tp->next_peer->parent = tp; set_parents(tp->next_peer); } } #endif init_mib() { char *file, *getenv(), *prefix; #if 0 Mib = 0; file = getenv("MIBFILE"); if (file) Mib = read_mib(file); if (!Mib) Mib = read_mib("mib.txt"); if (!Mib) Mib = read_mib("/etc/mib.txt"); #endif /* * pso_mibdata is in the output C file of mib_process program. * You should be compiling and linking the output of mib_process * program. You use your own or standard MIB input file for * mib_process program which will generate C compilable output. * Please see documentation for more detail. */ Mib = &pso_mibdata; if (!Mib){ fprintf(stderr, "Couldn't find mib file\n"); exit(2); } prefix = getenv("PREFIX"); if (!prefix) prefix = Standard_Prefix; if (prefix[strlen(prefix) - 1] != '.') strcat(prefix, "."); /* add a trailing dot in case user didn't */ prefix++; /* get past leading dot. */ strcpy(Prefix, prefix); if (getenv("SUFFIX")) Suffix = TRUE; else Suffix = FALSE; set_parents(Mib); set_functions(Mib); } int set_functions(subtree) struct tree *subtree; { for(; subtree; subtree = subtree->next_peer){ 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; } set_functions(subtree->child_list); } } #ifdef VXWORKS int snmp_dump_packet = 0; #endif #ifdef testing main(argc, argv) int argc; char *argv[]; { oid objid[64]; int objidlen = sizeof (objid); int count; struct variable variable; init_mib(&Mib); if (argc < 2) print_subtree(Mib, 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 static struct tree * find_rfc1213_mib(root) struct tree *root; { oid *op = RFC1213_MIB; struct tree *tp; int len; for(len = sizeof(RFC1213_MIB)/sizeof(oid); len; len--, op++){ for(tp = root; tp; tp = tp->next_peer){ if (tp->subid == *op){ root = tp->child_list; break; } } if (tp == NULL) return NULL; } return root; } int read_objid(input, output, out_len) char *input; oid *output; int *out_len; /* number of subid's in "output" */ { struct tree *root = Mib; 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); } #ifdef notdef int read_objid(input, output, out_len) char *input; oid *output; int *out_len; /* number of subid's in "output" */ { struct tree *root = Mib; oid *op = output; int i; if (*input == '.') input++; else { root = find_rfc1213_mib(root); for (i = 0; i < sizeof (RFC1213_MIB)/sizeof(oid); i++) { if ((*out_len)-- > 0) *output++ = RFC1213_MIB[i]; else { fprintf(stderr, "object identifier too long\n"); return (0); } } } 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); } #endif 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 (lc_cmp(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); } sprint_objid(buf, objid, objidlen) char *buf; oid *objid; int objidlen; /* number of subidentifiers */ { char tempbuf[2048], *cp; struct tree *subtree = Mib; *tempbuf = '.'; /* this is a fully qualified name */ get_symbol(objid, objidlen, subtree, tempbuf + 1); if (Suffix){ for(cp =tempbuf; *cp; cp++) ; while(cp >= tempbuf){ if (isalpha(*cp)) break; cp--; } while(cp >= tempbuf){ if (*cp == '.') break; cp--; } cp++; if (cp < tempbuf) cp = tempbuf; } else { cp = tempbuf; if ((strlen(tempbuf) > strlen((char *)RFC1213_MIB_text)) && !bcmp(tempbuf, (char *)RFC1213_MIB_text, strlen((char *)RFC1213_MIB_text))){ cp += sizeof(RFC1213_MIB_text); } if ((strlen(tempbuf) > strlen((char *)EXPERIMENTAL_MIB_text)) && !bcmp(tempbuf, (char *) EXPERIMENTAL_MIB_text, strlen((char *)EXPERIMENTAL_MIB_text))){ cp += sizeof(EXPERIMENTAL_MIB_text); } if ((strlen(tempbuf) > strlen((char *)PRIVATE_MIB_text)) && !bcmp(tempbuf, (char *) PRIVATE_MIB_text, strlen((char *)PRIVATE_MIB_text))){ cp += sizeof(PRIVATE_MIB_text); } if ((strlen(tempbuf) > strlen((char *)PARTY_MIB_text)) && !bcmp(tempbuf, (char *) PARTY_MIB_text, strlen((char *)PARTY_MIB_text))){ cp += sizeof(PARTY_MIB_text); } if ((strlen(tempbuf) > strlen((char *)SECRETS_MIB_text)) && !bcmp(tempbuf, (char *) SECRETS_MIB_text, strlen((char *)SECRETS_MIB_text))){ cp += sizeof(SECRETS_MIB_text); } } strcpy(buf, cp); } print_objid(objid, objidlen) oid *objid; int objidlen; /* number of subidentifiers */ { char buf[256]; sprint_objid(buf, objid, objidlen); printf("%s\n", buf); } print_variable(objid, objidlen, variable) oid *objid; int objidlen; struct variable_list *variable; { char buf[2048]; struct tree *subtree = Mib; sprint_variable(buf, objid, objidlen, variable); printf("%s", buf); } sprint_variable(buf, objid, objidlen, variable) char *buf; oid *objid; int objidlen; struct variable_list *variable; { char tempbuf[2048], *cp; struct tree *subtree = Mib; sprint_objid(buf, objid, objidlen); buf += strlen(buf); strcat(buf, " = "); buf += strlen(buf); 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 { *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); else { sprint_by_type(buf, variable, subtree->enums); } strcat(buf, "\n"); } } sprint_value(buf, objid, objidlen, variable) char *buf; oid *objid; int objidlen; struct variable_list *variable; { char tempbuf[2048]; struct tree *subtree = Mib; 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); else { sprint_by_type(buf, variable, subtree->enums); } } } print_value(objid, objidlen, variable) oid *objid; int objidlen; struct variable_list *variable; { char tempbuf[2048]; struct tree *subtree = Mib; sprint_value(tempbuf, objid, objidlen, variable); printf("%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){ strcpy(buf, subtree->label); goto found; } } /* subtree not found */ while(objidlen--){ /* output rest of name, uninterpreted */ sprintf(buf, "%u.", *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; } int lc_cmp(s1, s2) char *s1, *s2; { char c1, c2; while(*s1 && *s2){ if (isupper(*s1)) c1 = tolower(*s1); else c1 = *s1; if (isupper(*s2)) c2 = tolower(*s2); else c2 = *s2; if (c1 != c2) return ((c1 - c2) > 0 ? 1 : -1); s1++; s2++; } if (*s1) return -1; if (*s2) return 1; return 0; } /* * 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; } char *get_description(objid, objidlen) oid *objid; int objidlen; /* number of subidentifiers */ { struct tree *subtree = Mib; 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 */ { char *desc = get_description(objid, objidlen); if (desc && desc[0] != '\0') printf("Description: \"%s\"\n", desc); else printf("No description\n"); } struct tree * find_node(name, subtree) char *name; struct tree *subtree; { struct tree *tp, *ret; for(tp = subtree; tp; tp = tp->next_peer){ if (!strcasecmp(name, tp->label)) return tp; ret = find_node(name, tp->child_list); if (ret) return ret; } return 0; } int get_node(name, objid, objidlen) char *name; oid *objid; int *objidlen; { struct tree *tp; oid newname[64], *op; tp = find_node(name, Mib); if (tp){ for(op = newname + 63; op >= newname; op--){ *op = tp->subid; tp = tp->parent; if (tp == NULL) break; } if (newname + 64 - op > *objidlen) return 0; *objidlen = newname + 64 - op; bcopy(op, objid, (newname + 64 - op) * sizeof(oid)); return 1; } else { return 0; } }