diff options
| -rw-r--r-- | lib/Makefile.am | 2 | ||||
| -rw-r--r-- | lib/smux.c | 123 | ||||
| -rw-r--r-- | lib/smux.h | 81 | ||||
| -rw-r--r-- | lib/snmp.c | 113 |
4 files changed, 158 insertions, 161 deletions
diff --git a/lib/Makefile.am b/lib/Makefile.am index d01cf724..73417ad8 100644 --- a/lib/Makefile.am +++ b/lib/Makefile.am @@ -11,7 +11,7 @@ libzebra_la_SOURCES = \ checksum.c vector.c linklist.c vty.c command.c \ sockunion.c prefix.c thread.c if.c memory.c buffer.c table.c hash.c \ filter.c routemap.c distribute.c stream.c str.c log.c plist.c \ - zclient.c sockopt.c smux.c md5.c if_rmap.c keychain.c privs.c \ + zclient.c sockopt.c smux.c snmp.c md5.c if_rmap.c keychain.c privs.c \ sigevent.c pqueue.c jhash.c memtypes.c workqueue.c BUILT_SOURCES = memtypes.h route_types.h @@ -34,6 +34,45 @@ #include "sockunion.h" #include "smux.h" +#define SMUX_PORT_DEFAULT 199 + +#define SMUXMAXPKTSIZE 1500 +#define SMUXMAXSTRLEN 256 + +#define SMUX_OPEN (ASN_APPLICATION | ASN_CONSTRUCTOR | 0) +#define SMUX_CLOSE (ASN_APPLICATION | ASN_PRIMITIVE | 1) +#define SMUX_RREQ (ASN_APPLICATION | ASN_CONSTRUCTOR | 2) +#define SMUX_RRSP (ASN_APPLICATION | ASN_PRIMITIVE | 3) +#define SMUX_SOUT (ASN_APPLICATION | ASN_PRIMITIVE | 4) + +#define SMUX_GET (ASN_CONTEXT | ASN_CONSTRUCTOR | 0) +#define SMUX_GETNEXT (ASN_CONTEXT | ASN_CONSTRUCTOR | 1) +#define SMUX_GETRSP (ASN_CONTEXT | ASN_CONSTRUCTOR | 2) +#define SMUX_SET (ASN_CONTEXT | ASN_CONSTRUCTOR | 3) +#define SMUX_TRAP (ASN_CONTEXT | ASN_CONSTRUCTOR | 4) + +#define SMUX_MAX_FAILURE 3 + +/* SNMP tree. */ +struct subtree +{ + /* Tree's oid. */ + oid name[MAX_OID_LEN]; + u_char name_len; + + /* List of the variables. */ + struct variable *variables; + + /* Length of the variables list. */ + int variables_num; + + /* Width of the variables list. */ + int variables_width; + + /* Registered flag. */ + int registered; +}; + #define min(A,B) ((A) < (B) ? (A) : (B)) enum smux_event {SMUX_SCHEDULE, SMUX_CONNECT, SMUX_READ}; @@ -76,62 +115,6 @@ static struct cmd_node smux_node = /* thread master */ static struct thread_master *master; -void * -oid_copy (void *dest, const void *src, size_t size) -{ - return memcpy (dest, src, size * sizeof (oid)); -} - -void -oid2in_addr (oid oid[], int len, struct in_addr *addr) -{ - int i; - u_char *pnt; - - if (len == 0) - return; - - pnt = (u_char *) addr; - - for (i = 0; i < len; i++) - *pnt++ = oid[i]; -} - -void -oid_copy_addr (oid oid[], struct in_addr *addr, int len) -{ - int i; - u_char *pnt; - - if (len == 0) - return; - - pnt = (u_char *) addr; - - for (i = 0; i < len; i++) - oid[i] = *pnt++; -} - -int -oid_compare (oid *o1, int o1_len, oid *o2, int o2_len) -{ - int i; - - for (i = 0; i < min (o1_len, o2_len); i++) - { - if (o1[i] < o2[i]) - return -1; - else if (o1[i] > o2[i]) - return 1; - } - if (o1_len < o2_len) - return -1; - if (o1_len > o2_len) - return 1; - - return 0; -} - static int oid_compare_part (oid *o1, int o1_len, oid *o2, int o2_len) { @@ -473,7 +456,7 @@ smux_set (oid *reqid, size_t *reqid_len, if (write_method) { return (*write_method)(action, val, val_type, val_len, - statP, suffix, suffix_len, v); + statP, suffix, suffix_len); } else { @@ -1354,32 +1337,6 @@ smux_peer_oid (struct vty *vty, const char *oid_str, const char *passwd_str) return 0; } -int -smux_header_generic (struct variable *v, oid *name, size_t *length, int exact, - size_t *var_len, WriteMethod **write_method) -{ - oid fulloid[MAX_OID_LEN]; - int ret; - - oid_copy (fulloid, v->name, v->namelen); - fulloid[v->namelen] = 0; - /* Check against full instance. */ - ret = oid_compare (name, *length, fulloid, v->namelen + 1); - - /* Check single instance. */ - if ((exact && (ret != 0)) || (!exact && (ret >= 0))) - return MATCH_FAILED; - - /* In case of getnext, fill in full instance. */ - memcpy (name, fulloid, (v->namelen + 1) * sizeof (oid)); - *length = v->namelen + 1; - - *write_method = 0; - *var_len = sizeof(long); /* default to 'long' results */ - - return MATCH_SUCCEEDED; -} - static int smux_peer_default (void) { @@ -22,24 +22,8 @@ #ifndef _ZEBRA_SNMP_H #define _ZEBRA_SNMP_H -#define SMUX_PORT_DEFAULT 199 - -#define SMUXMAXPKTSIZE 1500 -#define SMUXMAXSTRLEN 256 - -#define SMUX_OPEN (ASN_APPLICATION | ASN_CONSTRUCTOR | 0) -#define SMUX_CLOSE (ASN_APPLICATION | ASN_PRIMITIVE | 1) -#define SMUX_RREQ (ASN_APPLICATION | ASN_CONSTRUCTOR | 2) -#define SMUX_RRSP (ASN_APPLICATION | ASN_PRIMITIVE | 3) -#define SMUX_SOUT (ASN_APPLICATION | ASN_PRIMITIVE | 4) - -#define SMUX_GET (ASN_CONTEXT | ASN_CONSTRUCTOR | 0) -#define SMUX_GETNEXT (ASN_CONTEXT | ASN_CONSTRUCTOR | 1) -#define SMUX_GETRSP (ASN_CONTEXT | ASN_CONSTRUCTOR | 2) -#define SMUX_SET (ASN_CONTEXT | ASN_CONSTRUCTOR | 3) -#define SMUX_TRAP (ASN_CONTEXT | ASN_CONSTRUCTOR | 4) - -#define SMUX_MAX_FAILURE 3 +#include <net-snmp/agent/net-snmp-agent-includes.h> +#include <net-snmp/agent/snmp_vars.h> /* Structures here are mostly compatible with UCD SNMP 4.1.1 */ #define MATCH_FAILED (-1) @@ -55,69 +39,12 @@ #define IN_ADDR_SIZE sizeof(struct in_addr) -struct variable; - +#undef REGISTER_MIB #define REGISTER_MIB(descr, var, vartype, theoid) \ smux_register_mib(descr, (struct variable *)var, sizeof(struct vartype), \ sizeof(var)/sizeof(struct vartype), \ theoid, sizeof(theoid)/sizeof(oid)) -typedef int (WriteMethod)(int action, - u_char *var_val, - u_char var_val_type, - size_t var_val_len, - u_char *statP, - oid *name, - size_t length, - struct variable *v); - -typedef u_char *(FindVarMethod)(struct variable *v, - oid *name, - size_t *length, - int exact, - size_t *var_len, - WriteMethod **write_method); - -/* SNMP variable */ -struct variable -{ - /* Index of the MIB.*/ - u_char magic; - - /* Type of variable. */ - char type; - - /* Access control list. */ - u_short acl; - - /* Callback function. */ - FindVarMethod *findVar; - - /* Suffix of the MIB. */ - int namelen; - oid name[MAX_OID_LEN]; -}; - -/* SNMP tree. */ -struct subtree -{ - /* Tree's oid. */ - oid name[MAX_OID_LEN]; - u_char name_len; - - /* List of the variables. */ - struct variable *variables; - - /* Length of the variables list. */ - int variables_num; - - /* Width of the variables list. */ - int variables_width; - - /* Registered flag. */ - int registered; -}; - struct trap_object { FindVarMethod *findVar; @@ -145,7 +72,6 @@ struct trap_object ) extern void smux_init (struct thread_master *tm); -extern void smux_start (void); extern void smux_register_mib(const char *, struct variable *, size_t, int, oid [], size_t); extern int smux_header_generic (struct variable *, oid [], size_t *, @@ -153,6 +79,7 @@ extern int smux_header_generic (struct variable *, oid [], size_t *, extern int smux_trap (const oid *, size_t, const oid *, size_t, const struct trap_object *, size_t, unsigned int, u_char); + extern int oid_compare (oid *, int, oid *, int); extern void oid2in_addr (oid [], int, struct in_addr *); extern void *oid_copy (void *, const void *, size_t); diff --git a/lib/snmp.c b/lib/snmp.c new file mode 100644 index 00000000..d7b1d953 --- /dev/null +++ b/lib/snmp.c @@ -0,0 +1,113 @@ +/* SNMP support + * Copyright (C) 1999 Kunihiro Ishiguro <kunihiro@zebra.org> + * + * This file is part of GNU Zebra. + * + * GNU Zebra is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2, or (at your option) any + * later version. + * + * GNU Zebra is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GNU Zebra; see the file COPYING. If not, write to the Free + * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA + * 02111-1307, USA. + */ + +#include <zebra.h> + +#ifdef HAVE_SNMP +#include <net-snmp/net-snmp-config.h> +#include <net-snmp/net-snmp-includes.h> + +#include "smux.h" + +#define min(A,B) ((A) < (B) ? (A) : (B)) + +int +oid_compare (oid *o1, int o1_len, oid *o2, int o2_len) +{ + int i; + + for (i = 0; i < min (o1_len, o2_len); i++) + { + if (o1[i] < o2[i]) + return -1; + else if (o1[i] > o2[i]) + return 1; + } + if (o1_len < o2_len) + return -1; + if (o1_len > o2_len) + return 1; + + return 0; +} + +void * +oid_copy (void *dest, const void *src, size_t size) +{ + return memcpy (dest, src, size * sizeof (oid)); +} + +void +oid2in_addr (oid oid[], int len, struct in_addr *addr) +{ + int i; + u_char *pnt; + + if (len == 0) + return; + + pnt = (u_char *) addr; + + for (i = 0; i < len; i++) + *pnt++ = oid[i]; +} + +void +oid_copy_addr (oid oid[], struct in_addr *addr, int len) +{ + int i; + u_char *pnt; + + if (len == 0) + return; + + pnt = (u_char *) addr; + + for (i = 0; i < len; i++) + oid[i] = *pnt++; +} + +int +smux_header_generic (struct variable *v, oid *name, size_t *length, int exact, + size_t *var_len, WriteMethod **write_method) +{ + oid fulloid[MAX_OID_LEN]; + int ret; + + oid_copy (fulloid, v->name, v->namelen); + fulloid[v->namelen] = 0; + /* Check against full instance. */ + ret = oid_compare (name, *length, fulloid, v->namelen + 1); + + /* Check single instance. */ + if ((exact && (ret != 0)) || (!exact && (ret >= 0))) + return MATCH_FAILED; + + /* In case of getnext, fill in full instance. */ + memcpy (name, fulloid, (v->namelen + 1) * sizeof (oid)); + *length = v->namelen + 1; + + *write_method = 0; + *var_len = sizeof(long); /* default to 'long' results */ + + return MATCH_SUCCEEDED; +} +#endif /* HAVE_SNMP */ |