From 1e735c038c86294df2ecfbd6a39abcfab4b3e8c3 Mon Sep 17 00:00:00 2001 From: Stef Walter Date: Tue, 4 Apr 2006 21:07:18 +0000 Subject: Move functionality for parsing MIBs, SNMP into common files. --- bsnmp/snmp.c | 43 ++++++ bsnmp/snmp.h | 2 + common/config-parser.c | 42 ++++++ common/config-parser.h | 3 + daemon/Makefile.am | 4 +- daemon/config.c | 65 ++------ daemon/rrdbotd.c | 12 +- daemon/rrdbotd.h | 19 --- daemon/snmp-engine.c | 53 +------ mib/mib-parser.c | 381 +++++++++++++++++++++++++++++++++++++++++++++++ mib/mib-parser.h | 63 ++++++++ mib/parse-net-snmp.patch | 27 ++-- mib/parse.c | 8 - 13 files changed, 571 insertions(+), 151 deletions(-) create mode 100644 mib/mib-parser.c create mode 100644 mib/mib-parser.h diff --git a/bsnmp/snmp.c b/bsnmp/snmp.c index f758262..6b2cc01 100644 --- a/bsnmp/snmp.c +++ b/bsnmp/snmp.c @@ -1079,3 +1079,46 @@ snmp_printf_func(const char *fmt, ...) vfprintf(stderr, fmt, ap); va_end(ap); } + +/* ----------------------------------------------------------------------------- + * ERR MESSAGE HANDLING + */ + +/* All SNMP error messages */ +static struct +{ + int code; + const char* msg; +} snmp_errmsgs[] = { + { SNMP_ERR_NOERROR, "Success" }, + { SNMP_ERR_TOOBIG, "SNMP packet or response too big" }, + { SNMP_ERR_NOSUCHNAME, "Unknown variable name" }, + { SNMP_ERR_BADVALUE, "Incorrect syntax or value when modifing a variable" }, + { SNMP_ERR_READONLY, "Value is readonly" }, + { SNMP_ERR_GENERR, "Unspecified general error" }, + { SNMP_ERR_NO_ACCESS, "Access was denied to the object" }, + { SNMP_ERR_WRONG_TYPE, "The object type is incorrect for the object" }, + { SNMP_ERR_WRONG_LENGTH, "Incorrect specified for the object." }, + { SNMP_ERR_WRONG_ENCODING, "Incorrect encoding specified for the object." }, + { SNMP_ERR_WRONG_VALUE, "Not possible to set this value for the object." }, + { SNMP_ERR_NO_CREATION, "The value cannot be created." }, + { SNMP_ERR_INCONS_VALUE, "Not possible to set the value at this time." }, + { SNMP_ERR_RES_UNAVAIL, "The resource is not availeble" }, + { SNMP_ERR_COMMIT_FAILED, "Commit failed" }, + { SNMP_ERR_UNDO_FAILED, "Undo failed" }, + { SNMP_ERR_AUTH_ERR, "A problem occured during authentication" }, + { SNMP_ERR_NOT_WRITEABLE, "The variable cannot be written or created." }, + { SNMP_ERR_INCONS_NAME, "The variable does not exist." } +}; + +const char* +snmp_get_errmsg (int code) +{ + int i; + for(i = 0; i < sizeof(snmp_errmsgs) / sizeof(snmp_errmsgs[0]); i++) + { + if(code == snmp_errmsgs[i].code) + return snmp_errmsgs[i].msg; + } + return NULL; +} diff --git a/bsnmp/snmp.h b/bsnmp/snmp.h index 1ae0775..ea04ffa 100644 --- a/bsnmp/snmp.h +++ b/bsnmp/snmp.h @@ -171,4 +171,6 @@ extern void (*snmp_printf)(const char *, ...); #define TRUTH_GET(T) (((T) == 1) ? 1 : 0) #define TRUTH_OK(T) ((T) == 1 || (T) == 2) +const char* snmp_get_errmsg (int code); + #endif diff --git a/common/config-parser.c b/common/config-parser.c index 905e019..c54b91e 100644 --- a/common/config-parser.c +++ b/common/config-parser.c @@ -314,3 +314,45 @@ cfg_parse_dir(const char* dirname, void* data) return ret; } + +const char* +cfg_parse_uri (char *uri, char** scheme, char** host, char** user, char** path) +{ + char* t; + + *scheme = NULL; + *host = NULL; + *user = NULL; + *path = NULL; + + *scheme = strsep(&uri, ":"); + if(uri == NULL || (uri[0] != '/' && uri[1] != '/')) + return "invalid uri"; + + uri += 2; + *host = strsep(&uri, "/"); + if(*host[0]) + { + /* Parse the community out from the host */ + t = strchr(*host, '@'); + if(t) + { + *t = 0; + *user = *host; + *host = t + 1; + } + } + + if(!*host[0]) + return "invalid uri: no host name found"; + + if(!uri || !uri[0] || !uri[1]) + return "invalid uri: no path found"; + + *path = uri; + + while((*path)[0] == '/') + (*path)++; + + return NULL; +} diff --git a/common/config-parser.h b/common/config-parser.h index 174bac2..11949a2 100644 --- a/common/config-parser.h +++ b/common/config-parser.h @@ -47,4 +47,7 @@ extern int cfg_error(const char* filename, const char* errmsg, void* data); int cfg_parse_dir(const char* dirname, void* data); int cfg_parse_file(const char* filename, void* data, char** memory); +/* A helper for parsing URIs */ +const char* cfg_parse_uri (char *uri, char** scheme, char** host, char** user, char** path); + #endif /* __CONFIG_PARSER_H__ */ diff --git a/daemon/Makefile.am b/daemon/Makefile.am index 466353b..63f5169 100644 --- a/daemon/Makefile.am +++ b/daemon/Makefile.am @@ -2,13 +2,13 @@ sbin_PROGRAMS = rrdbotd rrdbotd_SOURCES = rrdbotd.c rrdbotd.h config.c \ - snmp-help.c snmp-engine.c rrd-update.c \ + snmp-engine.c rrd-update.c \ ../common/server-mainloop.c ../common/server-mainloop.h \ ../common/sock-any.h ../common/sock-any.c \ ../common/compat.h ../common/compat.c \ ../common/hash.h ../common/hash.c \ ../common/config-parser.h ../common/config-parser.c \ - ../mib/parse.c + ../mib/mib-parser.h ../mib/mib-parser.c rrdbotd_CFLAGS = -I${top_srcdir}/common/ -I${top_srcdir}/bsnmp/ -I${top_srcdir} \ -DCONF_PREFIX=\"$(sysconfdir)\" -DDATA_PREFIX=\"$(datadir)\" rrdbotd_LDADD = $(top_builddir)/bsnmp/libbsnmp-custom.a diff --git a/daemon/config.c b/daemon/config.c index 9a5320b..d95de8a 100644 --- a/daemon/config.c +++ b/daemon/config.c @@ -44,6 +44,8 @@ #include #include +#include + #include "rrdbotd.h" #include "config-parser.h" @@ -189,68 +191,27 @@ config_done(config_ctx* ctx) ctx->timeout = 0; } -static void -parse_uri(char *uri, char** scheme, char** host, - char** user, char** path, config_ctx* ctx) -{ - /* Copy only for error messages as we mess with original */ - char* copy = strdup(uri); - char* t; - - *host = NULL; - *path = NULL; - *user = NULL; - - *scheme = strsep(&uri, ":"); - if(uri == NULL) - errx(2, "%s: invalid poll uri (scheme invalid): %s", ctx->confname, copy); - - if((uri[0] != '/' && uri[1] != '/')) - errx(2, "%s: invalid poll uri (scheme invalid): %s", ctx->confname, copy); - - uri += 2; - *host = strsep(&uri, "/"); - if(*host[0]) - { - /* Parse the user name out from the host */ - t = strchr(*host, '@'); - if(t) - { - *t = 0; - *user = *host; - *host = t + 1; - } - } - - if(!*host[0]) - errx(2, "%s: invalid poll uri (no hostname found): %s", ctx->confname, copy); - - if(!uri || !uri[0] || !uri[1]) - errx(2, "%s: invalid poll uri (no pathname found): %s", ctx->confname, copy); - - *path = uri; - - while((*path)[0] == '/') - (*path)++; - - /* This copy only for error messages */ - free(copy); -} - static rb_item* parse_item(const char* field, char* uri, config_ctx *ctx) { rb_item *ritem; rb_host *rhost; + const char *msg; + char* copy; + char* scheme; char* host; char* user; - char* scheme; char* path; /* Parse the SNMP URI */ - parse_uri(uri, &scheme, &host, &user, &path, ctx); - ASSERT(scheme && host && path); + copy = strdup(uri); + msg = cfg_parse_uri(uri, &scheme, &host, &user, &path); + if(msg) + errx(2, "%s: %s: %s", ctx->confname, msg, copy); + free(copy); + + ASSERT(host && path); /* TODO: SNMP version support */ @@ -299,7 +260,7 @@ parse_item(const char* field, char* uri, config_ctx *ctx) ritem->vtype = VALUE_UNSET; /* And parse the OID */ - if(rb_snmp_parse_mib(path, &(ritem->snmpfield)) == -1) + if(mib_parse(path, &(ritem->snmpfield)) == -1) errx(2, "%s: invalid MIB: %s", ctx->confname, path); rb_messagex(LOG_DEBUG, "parsed MIB into oid: %s -> %s", path, diff --git a/daemon/rrdbotd.c b/daemon/rrdbotd.c index 261955d..e2b0248 100644 --- a/daemon/rrdbotd.c +++ b/daemon/rrdbotd.c @@ -46,6 +46,7 @@ #include #include +#include #include "rrdbotd.h" #include "server-mainloop.h" @@ -53,7 +54,6 @@ /* The default command line options */ #define DEFAULT_CONFIG CONF_PREFIX "/rrdbot" #define DEFAULT_WORK "/var/db/rrdbot" -#define DEFAULT_MIB DATA_PREFIX "/mib" #define DEFAULT_RETRIES 3 #define DEFAULT_TIMEOUT 5 @@ -64,10 +64,6 @@ /* The one main state object */ rb_state g_state; -/* Whether we print warnings when loading MIBs or not */ -const char* g_mib_directory = DEFAULT_MIB; -int g_mib_warnings = 0; - /* Some logging flags */ static int daemonized = 0; static int debug_level = LOG_ERR; @@ -251,12 +247,12 @@ main(int argc, char* argv[]) /* mib directory */ case 'm': - g_mib_directory = optarg; + mib_directory = optarg; break; /* MIB load warnings */ case 'M': - g_mib_warnings = 1; + mib_warnings = 1; break; /* Write out a pid file */ @@ -309,7 +305,7 @@ main(int argc, char* argv[]) rb_config_parse(); /* As an optimization we unload the MIB processing data here */ - rb_mib_uninit(); + mib_uninit(); /* Rev up the main engine */ rb_snmp_engine_init(); diff --git a/daemon/rrdbotd.h b/daemon/rrdbotd.h index 0b7b0e1..061beb2 100644 --- a/daemon/rrdbotd.h +++ b/daemon/rrdbotd.h @@ -166,12 +166,6 @@ void rb_vmessage(int level, int err, const char* msg, va_list ap); void rb_config_parse(); void rb_config_free(); -/* ----------------------------------------------------------------------------- - * SNMP HELPERS (snmp-help.c) - */ - -int rb_snmp_parse_mib(const char* oid, struct snmp_value* value); - /* ----------------------------------------------------------------------------- * SNMP ENGINE (snmp-engine.c) */ @@ -185,17 +179,4 @@ void rb_snmp_engine_uninit(); void rb_rrd_update(rb_poller *poll); -/* ----------------------------------------------------------------------------- - * MIB PARSING - */ - -typedef void* mib_node; - -void rb_mib_init(const char* dir, int warnings); -mib_node rb_mib_lookup(const char* match); -int rb_mib_subid(mib_node n, const char* name); -void rb_mib_oid(mib_node n, struct asn_oid* oid); -mib_node rb_mib_node(struct asn_oid* oid); -void rb_mib_uninit(); - #endif /* __RRDBOTD_H__ */ diff --git a/daemon/snmp-engine.c b/daemon/snmp-engine.c index a1f773c..e4bf9b7 100644 --- a/daemon/snmp-engine.c +++ b/daemon/snmp-engine.c @@ -57,37 +57,6 @@ static uint32_t snmp_request = 100000; /* Since we only deal with one packet at a time, global buffer */ static unsigned char snmp_buffer[0x1000]; -/* ----------------------------------------------------------------------------- - * CONSTANTS - */ - -/* All SNMP error messages */ -static struct -{ - int code; - const char* msg; -} snmp_errmsgs[] = { - { SNMP_ERR_NOERROR, "Success" }, - { SNMP_ERR_TOOBIG, "SNMP packet or response too big" }, - { SNMP_ERR_NOSUCHNAME, "Unknown variable name" }, - { SNMP_ERR_BADVALUE, "Incorrect syntax or value when modifing a variable" }, - { SNMP_ERR_READONLY, "Value is readonly" }, - { SNMP_ERR_GENERR, "Unspecified general error" }, - { SNMP_ERR_NO_ACCESS, "Access was denied to the object" }, - { SNMP_ERR_WRONG_TYPE, "The object type is incorrect for the object" }, - { SNMP_ERR_WRONG_LENGTH, "Incorrect specified for the object." }, - { SNMP_ERR_WRONG_ENCODING, "Incorrect encoding specified for the object." }, - { SNMP_ERR_WRONG_VALUE, "Not possible to set this value for the object." }, - { SNMP_ERR_NO_CREATION, "The value cannot be created." }, - { SNMP_ERR_INCONS_VALUE, "Not possible to set the value at this time." }, - { SNMP_ERR_RES_UNAVAIL, "The resource is not availeble" }, - { SNMP_ERR_COMMIT_FAILED, "Commit failed" }, - { SNMP_ERR_UNDO_FAILED, "Undo failed" }, - { SNMP_ERR_AUTH_ERR, "A problem occured during authentication" }, - { SNMP_ERR_NOT_WRITEABLE, "The variable cannot be written or created." }, - { SNMP_ERR_INCONS_NAME, "The variable does not exist." } -}; - /* ----------------------------------------------------------------------------- * REQUESTS */ @@ -526,7 +495,7 @@ receive_resp(int fd, int type, void* arg) struct asn_buf b; rb_request* req; const char* msg; - int len, ret, i; + int len, ret; int32_t ip; ASSERT(snmp_socket == fd); @@ -570,19 +539,13 @@ receive_resp(int fd, int type, void* arg) /* Check for errors */ if(pdu.error_status != SNMP_ERR_NOERROR) { - msg = NULL; - for(i = 0; i < countof(snmp_errmsgs); i++) - { - if(pdu.error_status == snmp_errmsgs[i].code) - { - rb_message(LOG_ERR, "snmp error from host '%s': %s", - hostname, snmp_errmsgs[i].msg); - return; - } - } - - rb_message(LOG_ERR, "unknown snmp error from host '%s': %d", - hostname, pdu.error_status); + msg = snmp_get_errmsg (pdu.error_status); + if(msg) + rb_message(LOG_ERR, "snmp error from host '%s': %s", + hostname, msg); + else + rb_message(LOG_ERR, "unknown snmp error from host '%s': %d", + hostname, pdu.error_status); return; } diff --git a/mib/mib-parser.c b/mib/mib-parser.c new file mode 100644 index 0000000..f4b8c9d --- /dev/null +++ b/mib/mib-parser.c @@ -0,0 +1,381 @@ +/* + * Copyright (c) 2005, Nate Nielsen + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * * Redistributions in binary form must reproduce the + * above copyright notice, this list of conditions and + * the following disclaimer in the documentation and/or + * other materials provided with the distribution. + * * The names of contributors to this software may not be + * used to endorse or promote products derived from this + * software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF + * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * + * CONTRIBUTORS + * Nate Nielsen + * + */ + +/* + * This file is not compiled on it's own. It's included into parse.c + * and provides compatibility definitions for making it work without + * the rest of net-snmp + */ + +#include "usuals.h" +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +#include "parse.h" +#include "mib-parser.h" + +/* Whether we print warnings when loading MIBs or not */ +const char* mib_directory = DEFAULT_MIB; +int mib_warnings = 0; +static int initialized = 0; + +/* ----------------------------------------------------------------------------- + * DEFINITIONS + */ + +#define FALSE 0 +#define TRUE 1 + +/* No need to implement these */ +#define DEBUGMSGTL(x) +#define set_function(tp) + +/* Just return the tree head */ +#define get_tree_head() \ + (tree_head) + +#define snmp_get_do_debugging() (0) + +typedef u_long oid; + +#define NETSNMP_DS_LIBRARY_ID 0 +#define NETSNMP_DS_LIB_MIB_WARNINGS 1 +#define NETSNMP_DS_LIB_MIB_REPLACE 2 +#define NETSNMP_DS_LIB_SAVE_MIB_DESCRS 3 +#define NETSNMP_DS_LIB_MIB_ERRORS 4 +#define NETSNMP_DS_LIB_MIB_PARSE_LABEL 5 +#define NETSNMP_DS_LIB_MIB_COMMENT_TERM 6 + +#define netsnmp_ds_get_boolean(d, v) \ + netsnmp_ds_get_int(d, v) + +static int +netsnmp_ds_get_int(int dummy, int var) +{ + switch(var) + { + case NETSNMP_DS_LIB_MIB_WARNINGS: + return mib_warnings; + case NETSNMP_DS_LIB_MIB_REPLACE: + return 0; + case NETSNMP_DS_LIB_SAVE_MIB_DESCRS: + return 0; + case NETSNMP_DS_LIB_MIB_PARSE_LABEL: + return 1; + case NETSNMP_DS_LIB_MIB_COMMENT_TERM: + return 0; + default: + return 0; + } +} + +#define netsnmp_ds_set_int(a, b, c) +#define netsnmp_ds_set_boolean(a, b, c) +#define netsnmp_ds_toggle_boolean(a, b) + +static void +snmp_log(int level, const char* msg, ...) +{ + va_list ap; + + if(level >= LOG_WARNING && !mib_warnings) + return; + + va_start(ap, msg); + vwarnx(msg, ap); + va_end(ap); +} + +/* Only used to open files */ +static void +snmp_log_perror(const char* file) +{ + warn("couldn't open file: %s", file); +} + +#define SNMP_FREE(s) do { if (s) { free((void *)s); s=NULL; } } while(0) + +/* ----------------------------------------------------------------------------- + * RRDBOT GLUE CODE + */ + +static void +clear_tree_flags(struct tree *tp) +{ + for( ; tp; tp = tp->next_peer) + { + tp->reported = 0; + if(tp->child_list) + clear_tree_flags(tp->child_list); + } +} + +void +mib_init() +{ + if(initialized) + return; + + init_mib_internals(); + add_mibdir(mib_directory); + read_all_mibs(); + + warnx("loaded all MIB files"); + initialized = 1; +} + +mib_node +mib_lookup(const char* match) +{ + extern struct tree *tree_head; + struct tree* mib; + + ASSERT(initialized); + + clear_tree_flags(tree_head); + mib = find_best_tree_node(match, NULL, NULL); + return (mib_node)mib; +} + +int +mib_subid(mib_node n, const char* name) +{ + struct tree *parent = (struct tree*)n; + struct tree *tp = NULL; + + ASSERT(initialized); + + for(tp = parent->child_list; tp; tp = tp->next_peer) + { + if(strcasecmp(name, tp->label) == 0) + return tp->subid; + } + + return -1; +} + +void +mib_oid(mib_node n, struct asn_oid* oid) +{ + struct tree* mib = (struct tree*)n; + struct tree *tp = NULL; + int len; + + ASSERT(mib); + + /* Figure out where to start */ + len = 0; + for(tp = mib; tp; tp = tp->parent) + len++; + + oid->len = len; + for(tp = mib; tp; tp = tp->parent) + oid->subs[--len] = tp->subid; +} + +mib_node +mib_get_node(struct asn_oid* oid) +{ + extern struct tree *tree_head; + struct tree *tp = NULL; + asn_subid_t subid; + int i; + + ASSERT(initialized); + + for(i = 0, tp = tree_head; tp && i < oid->len; + i++, tp = tp ? tp->child_list : NULL) + { + subid = oid->subs[i]; + + while(tp && tp->subid != subid) + tp = tp->next_peer; + + /* Did we find a match? */ + if(tp && i == oid->len - 1) + break; + } + + return tp; +} + +void +mib_uninit() +{ + if(initialized) { + unload_all_mibs(); + warnx("unloaded all MIB files"); + } + initialized = 0; +} + +/* ----------------------------------------------------------------------------- + * INCLUDE parse.c + */ + +#include "parse.c" + +/* -------------------------------------------------------------------------- */ + +static int +parse_mixed_mib(const char* mib, struct asn_oid* oid) +{ + mib_node n; + int ret = 0; + unsigned int sub; + char* next; + char* t; + char* copy; + char* src; + + memset(oid, 0, sizeof(*oid)); + + copy = strdup(mib); + if(!copy) + { + errno = ENOMEM; + return -1; + } + + for(src = copy; src && *src; src = next) + { + next = strchr(src, '.'); + if(next) + { + *next = 0; + next++; + } + + sub = strtoul(src, &t, 10); + + /* An invalid number, try getting a named MIB */ + if(*t || sub < 0) + { + /* Only initializes first time around */ + mib_init(); + + /* + * If we haven't parsed anything yet, try a symbolic + * search for root + */ + + if(oid->len == 0) + { + n = mib_lookup(src); + if(n) + { + /* That took care of it */ + mib_oid(n, oid); + continue; + } + } + + /* Try a by name search for sub item */ + n = mib_get_node(oid); + if(n == NULL) + sub = -1; + else + sub = mib_subid(n, src); + } + + /* Make sure this is a valid part */ + if(sub < 0 || (oid->len == 0 && sub < 1) || sub >= ASN_MAXID) + ret = -1; + + /* Too many parts */ + if(oid->len > ASN_MAXOIDLEN) + ret = -1; + + if(ret < 0) + break; + + oid->subs[oid->len] = sub; + oid->len++; + } + + free(copy); + return ret; +} + +int +mib_parse(const char* mib, struct snmp_value* value) +{ + int ret; + mib_node n; + + value->syntax = SNMP_SYNTAX_NULL; + memset(&(value->v), 0, sizeof(value->v)); + + /* An initial dot */ + if(*mib == '.') + mib++; + + /* + * First try parsing a numeric OID. This will fall + * back to mixed mode MIB's if necassary. Allows us + * to avoid loading all the MIB files when not + * necessary + */ + + ret = parse_mixed_mib(mib, &(value->var)); + + /* Next try a symolic search */ + if(ret == -1) + { + mib_init(); + + n = mib_lookup(mib); + if(n == NULL) + return -1; + + mib_oid(n, &(value->var)); + return 0; + } + + return ret; +} diff --git a/mib/mib-parser.h b/mib/mib-parser.h new file mode 100644 index 0000000..0c4fc61 --- /dev/null +++ b/mib/mib-parser.h @@ -0,0 +1,63 @@ +/* + * Copyright (c) 2005, Nate Nielsen + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * * Redistributions in binary form must reproduce the + * above copyright notice, this list of conditions and + * the following disclaimer in the documentation and/or + * other materials provided with the distribution. + * * The names of contributors to this software may not be + * used to endorse or promote products derived from this + * software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF + * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * + * CONTRIBUTORS + * Nate Nielsen + * + */ + +#ifndef __MIB_PARSER_H__ +#define __MIB_PARSER_H__ + +#include "config.h" +#include +#include + +#define DEFAULT_MIB DATA_PREFIX "/mib" + +/* Whether we print warnings when loading MIBs or not */ +extern const char* mib_directory; +extern int mib_warnings; + +typedef void* mib_node; + +void mib_init(); +mib_node mib_lookup(const char* match); +int mib_subid(mib_node n, const char* name); +void mib_oid(mib_node n, struct asn_oid* oid); +mib_node mib_get_node(struct asn_oid* oid); +void mib_uninit(); + +int mib_parse(const char* oid, struct snmp_value* value); + +#endif /* __MIB_PARSER_H__ */ diff --git a/mib/parse-net-snmp.patch b/mib/parse-net-snmp.patch index 31b0e81..04435c1 100644 --- a/mib/parse-net-snmp.patch +++ b/mib/parse-net-snmp.patch @@ -1,5 +1,5 @@ --- parse.c.orig 2006-01-27 14:11:27.000000000 -+++ parse.c 2006-01-27 15:20:14.000000000 ++++ parse.c 2006-04-04 16:04:46.000000000 @@ -1,4 +1,11 @@ /* + * Nate Nielsen @@ -12,7 +12,7 @@ * parse.c * * Update: 1998-09-22 -@@ -47,75 +54,29 @@ +@@ -47,75 +54,22 @@ * Use is subject to license terms specified in the COPYING file * distributed with the Net-SNMP package. */ @@ -33,7 +33,7 @@ -#else -#include -#endif --#include + #include -#include -#include +#include @@ -41,12 +41,7 @@ -/* - * Wow. This is ugly. -- Wes -+#include "parse.h" -+ -+/* -+ * A file with compatibility definitions for making the following -+ * code work without the net-snmp library and all that. - */ +- */ -#if HAVE_DIRENT_H -# include -# define NAMLEN(dirent) strlen((dirent)->d_name) @@ -89,10 +84,7 @@ -#if HAVE_DMALLOC_H -#include -#endif -+#include "parse-compat.inc.c" -+ -+/* -------------------------------------------------------------------------- */ -+ ++#include "parse.h" -#include -#include @@ -102,10 +94,11 @@ -#include -#include -#include ++/* -------------------------------------------------------------------------- */ /* * This is one element of an object identifier with either an integer -@@ -138,8 +99,8 @@ +@@ -138,8 +92,8 @@ struct range_list *ranges; } tclist[MAXTC]; @@ -116,7 +109,7 @@ static int anonymous = 0; struct objgroup { -@@ -4569,51 +4530,8 @@ +@@ -4569,51 +4523,8 @@ char token[MAXTOKEN], token2[MAXTOKEN]; char tmpstr[300]; int count = 0; @@ -168,8 +161,8 @@ if ((dir = opendir(dirname))) { snprintf(tmpstr, sizeof(tmpstr), "%s/.index", dirname); ---- parse.h.orig 2003-05-08 11:32:04.000000000 -+++ parse.h 2006-01-27 12:56:14.000000000 +--- parse.h.orig 2003-05-08 11:32:04.000000000 ++++ parse.h 2006-01-27 12:56:14.000000000 @@ -119,11 +119,6 @@ struct varbind_list *varbinds; char *hint; diff --git a/mib/parse.c b/mib/parse.c index aeb449f..0504599 100644 --- a/mib/parse.c +++ b/mib/parse.c @@ -69,16 +69,8 @@ SOFTWARE. #include "parse.h" -/* - * A file with compatibility definitions for making the following - * code work without the net-snmp library and all that. - */ -#include "parse-compat.inc.c" - /* -------------------------------------------------------------------------- */ - - /* * This is one element of an object identifier with either an integer * subidentifier, or a textual string label, or both. -- cgit v1.2.3