snmpNotifyTable.c
上传用户:wxp200602
上传日期:2007-10-30
资源大小:4028k
文件大小:30k
- /*
- * This file was generated by mib2c and is intended for use as
- * a mib module for the ucd-snmp snmpd agent.
- */
- /*
- * This should always be included first before anything else
- */
- #include <net-snmp/net-snmp-config.h>
- #include <sys/types.h>
- #if HAVE_WINSOCK_H
- #include <winsock.h>
- #endif
- #if HAVE_STDLIB_H
- #include <stdlib.h>
- #endif
- #if HAVE_STRING_H
- #include <string.h>
- #else
- #include <strings.h>
- #endif
- /*
- * minimal include directives
- */
- #include <net-snmp/net-snmp-includes.h>
- #include <net-snmp/agent/net-snmp-agent-includes.h>
- #include "header_complex.h"
- #include "snmpNotifyTable.h"
- #include "target/snmpTargetParamsEntry.h"
- #include "target/snmpTargetAddrEntry.h"
- #include "target/target.h"
- #include <net-snmp/agent/agent_callbacks.h>
- #include <net-snmp/agent/agent_trap.h>
- SNMPCallback store_snmpNotifyTable;
- /*
- * snmpNotifyTable_variables_oid:
- * this is the top level oid that we want to register under. This
- * is essentially a prefix, with the suffix appearing in the
- * variable below.
- */
- oid snmpNotifyTable_variables_oid[] =
- { 1, 3, 6, 1, 6, 3, 13, 1, 1 };
- /*
- * variable2 snmpNotifyTable_variables:
- * this variable defines function callbacks and type return information
- * for the snmpNotifyTable mib section
- */
- struct variable2 snmpNotifyTable_variables[] = {
- /*
- * magic number , variable type , ro/rw , callback fn , L, oidsuffix
- */
- #define SNMPNOTIFYTAG 4
- {SNMPNOTIFYTAG, ASN_OCTET_STR, RWRITE, var_snmpNotifyTable, 2, {1, 2}},
- #define SNMPNOTIFYTYPE 5
- {SNMPNOTIFYTYPE, ASN_INTEGER, RWRITE, var_snmpNotifyTable, 2, {1, 3}},
- #define SNMPNOTIFYSTORAGETYPE 6
- {SNMPNOTIFYSTORAGETYPE, ASN_INTEGER, RWRITE, var_snmpNotifyTable, 2,
- {1, 4}},
- #define SNMPNOTIFYROWSTATUS 7
- {SNMPNOTIFYROWSTATUS, ASN_INTEGER, RWRITE, var_snmpNotifyTable, 2,
- {1, 5}},
- };
- /*
- * (L = length of the oidsuffix)
- */
- /*
- * global storage of our data, saved in and configured by header_complex()
- */
- static struct header_complex_index *snmpNotifyTableStorage = NULL;
- int
- send_notifications(int major, int minor, void *serverarg, void *clientarg)
- {
- struct header_complex_index *hptr;
- struct snmpNotifyTable_data *nptr;
- netsnmp_session *sess, *sptr;
- netsnmp_pdu *template_pdu = (netsnmp_pdu *) serverarg;
- DEBUGMSGTL(("send_notifications", "starting: pdu=%x, vars=%xn",
- template_pdu, template_pdu->variables));
- for (hptr = snmpNotifyTableStorage; hptr; hptr = hptr->next) {
- nptr = (struct snmpNotifyTable_data *) hptr->data;
- if (nptr->snmpNotifyRowStatus != RS_ACTIVE)
- continue;
- if (!nptr->snmpNotifyTag)
- continue;
- sess = get_target_sessions(nptr->snmpNotifyTag, NULL, NULL);
- /*
- * XXX: filter appropriately
- */
- for (sptr = sess; sptr; sptr = sptr->next) {
- #ifndef DISABLE_SNMPV1
- if (sptr->version == SNMP_VERSION_1 &&
- minor == SNMPD_CALLBACK_SEND_TRAP1) {
- send_trap_to_sess(sptr, template_pdu);
- } else
- #endif
- if ((sptr->version == SNMP_VERSION_3
- #ifndef DISABLE_SNMPV2C
- || sptr->version == SNMP_VERSION_2c
- #endif
- ) && minor == SNMPD_CALLBACK_SEND_TRAP2) {
- if (nptr->snmpNotifyType == SNMPNOTIFYTYPE_INFORM) {
- template_pdu->command = SNMP_MSG_INFORM;
- } else {
- template_pdu->command = SNMP_MSG_TRAP2;
- }
- send_trap_to_sess(sptr, template_pdu);
- }
- }
- }
- return 0;
- }
- #define MAX_ENTRIES 1024
- int
- notifyTable_register_notifications(int major, int minor,
- void *serverarg, void *clientarg)
- {
- struct targetAddrTable_struct *ptr;
- struct targetParamTable_struct *pptr;
- struct snmpNotifyTable_data *nptr;
- int confirm, i;
- char buf[SNMP_MAXBUF_SMALL];
- netsnmp_transport *t = NULL;
- struct agent_add_trap_args *args =
- (struct agent_add_trap_args *) serverarg;
- netsnmp_session *ss;
- if (!args || !(args->ss)) {
- return (0);
- }
- confirm = args->confirm;
- ss = args->ss;
- /*
- * XXX: START move target creation to target code
- */
- for (i = 0; i < MAX_ENTRIES; i++) {
- sprintf(buf, "internal%d", i);
- if (get_addrForName(buf) == NULL && get_paramEntry(buf) == NULL)
- break;
- }
- if (i == MAX_ENTRIES) {
- snmp_log(LOG_ERR,
- "Can't register new trap destination: max limit reached: %d",
- MAX_ENTRIES);
- snmp_sess_close(ss);
- return (0);
- }
- /*
- * address
- */
- ptr = snmpTargetAddrTable_create();
- ptr->name = strdup(buf);
- t = snmp_sess_transport(snmp_sess_pointer(ss));
- memcpy(ptr->tDomain, t->domain, t->domain_length * sizeof(oid));
- ptr->tDomainLen = t->domain_length;
- ptr->tAddressLen = t->remote_length;
- ptr->tAddress = t->remote;
- ptr->timeout = ss->timeout / 1000;
- ptr->retryCount = ss->retries;
- SNMP_FREE(ptr->tagList);
- ptr->tagList = strdup(ptr->name);
- ptr->params = strdup(ptr->name);
- ptr->storageType = ST_READONLY;
- ptr->rowStatus = RS_ACTIVE;
- ptr->sess = ss;
- DEBUGMSGTL(("trapsess", "adding to trap tablen"));
- snmpTargetAddrTable_add(ptr);
- /*
- * param
- */
- pptr = snmpTargetParamTable_create();
- pptr->paramName = strdup(buf);
- pptr->mpModel = ss->version;
- if (ss->version == SNMP_VERSION_3) {
- pptr->secModel = ss->securityModel;
- pptr->secLevel = ss->securityLevel;
- pptr->secName = (char *) malloc(ss->securityNameLen + 1);
- memcpy((void *) pptr->secName, (void *) ss->securityName,
- ss->securityNameLen);
- pptr->secName[ss->securityNameLen] = 0;
- }
- #if !defined(DISABLE_SNMPV1) || !defined(DISABLE_SNMPV2C)
- else {
- pptr->secModel = ss->version == SNMP_VERSION_1 ?
- SNMP_SEC_MODEL_SNMPv1 : SNMP_SEC_MODEL_SNMPv2c;
- pptr->secLevel = SNMP_SEC_LEVEL_NOAUTH;
- pptr->secName = NULL;
- if (ss->community && (ss->community_len > 0)) {
- pptr->secName = (char *) malloc(ss->community_len + 1);
- memcpy((void *) pptr->secName, (void *) ss->community,
- ss->community_len);
- pptr->secName[ss->community_len] = 0;
- }
- }
- #endif
- pptr->storageType = ST_READONLY;
- pptr->rowStatus = RS_ACTIVE;
- snmpTargetParamTable_add(pptr);
- /*
- * XXX: END move target creation to target code
- */
- /*
- * notify table
- */
- nptr = SNMP_MALLOC_STRUCT(snmpNotifyTable_data);
- nptr->snmpNotifyName = strdup(buf);
- nptr->snmpNotifyNameLen = strlen(buf);
- nptr->snmpNotifyTag = strdup(buf);
- nptr->snmpNotifyTagLen = strlen(buf);
- nptr->snmpNotifyType = confirm ?
- SNMPNOTIFYTYPE_INFORM : SNMPNOTIFYTYPE_TRAP;
- nptr->snmpNotifyStorageType = ST_READONLY;
- nptr->snmpNotifyRowStatus = RS_ACTIVE;
- snmpNotifyTable_add(nptr);
- return 0;
- }
- /*
- * XXX: this really needs to be done for the target mib entries too.
- * But we can only trust that we've added stuff here and we don't want
- * to destroy other valid entries in the target tables, so... Don't
- * do too many kill -HUPs to your agent as re reading the config file
- * will be a slow memory leak in the target mib.
- */
- int
- notifyTable_unregister_notifications(int major, int minor,
- void *serverarg, void *clientarg)
- {
- struct header_complex_index *hptr, *nhptr;
- struct snmpNotifyTable_data *nptr;
- for (hptr = snmpNotifyTableStorage; hptr; hptr = nhptr) {
- nptr = (struct snmpNotifyTable_data *) hptr->data;
- nhptr = hptr->next;
- if (nptr->snmpNotifyStorageType == ST_READONLY) {
- header_complex_extract_entry(&snmpNotifyTableStorage, hptr);
- SNMP_FREE(nptr->snmpNotifyName);
- SNMP_FREE(nptr->snmpNotifyTag);
- SNMP_FREE(nptr);
- }
- }
- return (0);
- }
- /*
- * init_snmpNotifyTable():
- * Initialization routine. This is called when the agent starts up.
- * At a minimum, registration of your variables should take place here.
- */
- void
- init_snmpNotifyTable(void)
- {
- DEBUGMSGTL(("snmpNotifyTable", "initializing... "));
- /*
- * register ourselves with the agent to handle our mib tree
- */
- REGISTER_MIB("snmpNotifyTable", snmpNotifyTable_variables, variable2,
- snmpNotifyTable_variables_oid);
- /*
- * register our config handler(s) to deal with registrations
- */
- snmpd_register_config_handler("snmpNotifyTable", parse_snmpNotifyTable,
- NULL, NULL);
- /*
- * we need to be called back later to store our data
- */
- snmp_register_callback(SNMP_CALLBACK_LIBRARY, SNMP_CALLBACK_STORE_DATA,
- store_snmpNotifyTable, NULL);
- snmp_register_callback(SNMP_CALLBACK_APPLICATION,
- SNMPD_CALLBACK_SEND_TRAP1, send_notifications,
- NULL);
- snmp_register_callback(SNMP_CALLBACK_APPLICATION,
- SNMPD_CALLBACK_SEND_TRAP2, send_notifications,
- NULL);
- snmp_register_callback(SNMP_CALLBACK_APPLICATION,
- SNMPD_CALLBACK_REGISTER_NOTIFICATIONS,
- notifyTable_register_notifications, NULL);
- snmp_register_callback(SNMP_CALLBACK_APPLICATION,
- SNMPD_CALLBACK_PRE_UPDATE_CONFIG,
- notifyTable_unregister_notifications, NULL);
- /*
- * place any other initialization junk you need here
- */
- DEBUGMSGTL(("snmpNotifyTable", "done.n"));
- }
- /*
- * snmpNotifyTable_add(): adds a structure node to our data set
- */
- int
- snmpNotifyTable_add(struct snmpNotifyTable_data *thedata)
- {
- netsnmp_variable_list *vars = NULL;
- DEBUGMSGTL(("snmpNotifyTable", "adding data... "));
- /*
- * add the index variables to the varbind list, which is
- * used by header_complex to index the data
- */
- snmp_varlist_add_variable(&vars, NULL, 0, ASN_PRIV_IMPLIED_OCTET_STR, (u_char *) thedata->snmpNotifyName, thedata->snmpNotifyNameLen); /* snmpNotifyName */
- header_complex_add_data(&snmpNotifyTableStorage, vars, thedata);
- DEBUGMSGTL(("snmpNotifyTable", "registered an entryn"));
- DEBUGMSGTL(("snmpNotifyTable", "done.n"));
- return SNMPERR_SUCCESS;
- }
- /*
- * parse_snmpNotifyTable():
- * parses .conf file entries needed to configure the mib.
- */
- void
- parse_snmpNotifyTable(const char *token, char *line)
- {
- size_t tmpint;
- struct snmpNotifyTable_data *StorageTmp =
- SNMP_MALLOC_STRUCT(snmpNotifyTable_data);
- DEBUGMSGTL(("snmpNotifyTable", "parsing config... "));
- if (StorageTmp == NULL) {
- config_perror("malloc failure");
- return;
- }
- line =
- read_config_read_data(ASN_OCTET_STR, line,
- &StorageTmp->snmpNotifyName,
- &StorageTmp->snmpNotifyNameLen);
- if (StorageTmp->snmpNotifyName == NULL) {
- config_perror("invalid specification for snmpNotifyName");
- return;
- }
- line =
- read_config_read_data(ASN_OCTET_STR, line,
- &StorageTmp->snmpNotifyTag,
- &StorageTmp->snmpNotifyTagLen);
- if (StorageTmp->snmpNotifyTag == NULL) {
- config_perror("invalid specification for snmpNotifyTag");
- return;
- }
- line =
- read_config_read_data(ASN_INTEGER, line,
- &StorageTmp->snmpNotifyType, &tmpint);
- line =
- read_config_read_data(ASN_INTEGER, line,
- &StorageTmp->snmpNotifyStorageType, &tmpint);
- line =
- read_config_read_data(ASN_INTEGER, line,
- &StorageTmp->snmpNotifyRowStatus, &tmpint);
- snmpNotifyTable_add(StorageTmp);
- DEBUGMSGTL(("snmpNotifyTable", "done.n"));
- }
- /*
- * store_snmpNotifyTable():
- * stores .conf file entries needed to configure the mib.
- */
- int
- store_snmpNotifyTable(int majorID, int minorID, void *serverarg,
- void *clientarg)
- {
- char line[SNMP_MAXBUF];
- char *cptr;
- size_t tmpint;
- struct snmpNotifyTable_data *StorageTmp;
- struct header_complex_index *hcindex;
- DEBUGMSGTL(("snmpNotifyTable", "storing data... "));
- for (hcindex = snmpNotifyTableStorage; hcindex != NULL;
- hcindex = hcindex->next) {
- StorageTmp = (struct snmpNotifyTable_data *) hcindex->data;
- /*
- * store permanent and nonvolatile rows.
- * XXX should there be a qualification on RowStatus??
- */
- if ((StorageTmp->snmpNotifyStorageType == ST_NONVOLATILE) ||
- (StorageTmp->snmpNotifyStorageType == ST_PERMANENT) ){
- memset(line, 0, sizeof(line));
- strcat(line, "snmpNotifyTable ");
- cptr = line + strlen(line);
- cptr =
- read_config_store_data(ASN_OCTET_STR, cptr,
- &StorageTmp->snmpNotifyName,
- &StorageTmp->snmpNotifyNameLen);
- cptr =
- read_config_store_data(ASN_OCTET_STR, cptr,
- &StorageTmp->snmpNotifyTag,
- &StorageTmp->snmpNotifyTagLen);
- cptr =
- read_config_store_data(ASN_INTEGER, cptr,
- &StorageTmp->snmpNotifyType,
- &tmpint);
- cptr =
- read_config_store_data(ASN_INTEGER, cptr,
- &StorageTmp->snmpNotifyStorageType,
- &tmpint);
- cptr =
- read_config_store_data(ASN_INTEGER, cptr,
- &StorageTmp->snmpNotifyRowStatus,
- &tmpint);
- snmpd_store_config(line);
- }
- }
- DEBUGMSGTL(("snmpNotifyTable", "done.n"));
- return 0;
- }
- /*
- * var_snmpNotifyTable():
- * Handle this table separately from the scalar value case.
- * The workings of this are basically the same as for var_snmpNotifyTable above.
- */
- unsigned char *
- var_snmpNotifyTable(struct variable *vp,
- oid * name,
- size_t * length,
- int exact,
- size_t * var_len, WriteMethod ** write_method)
- {
- struct snmpNotifyTable_data *StorageTmp = NULL;
- int found = 1;
- DEBUGMSGTL(("snmpNotifyTable",
- "var_snmpNotifyTable: Entering... n"));
- /*
- * this assumes you have registered all your data properly
- */
- if ((StorageTmp = (struct snmpNotifyTable_data *)
- header_complex((struct header_complex_index *)
- snmpNotifyTableStorage, vp, name, length, exact,
- var_len, write_method)) == NULL) {
- found = 0;
- }
- switch (vp->magic) {
- case SNMPNOTIFYTAG:
- *write_method = write_snmpNotifyTag;
- break;
- case SNMPNOTIFYTYPE:
- *write_method = write_snmpNotifyType;
- break;
- case SNMPNOTIFYSTORAGETYPE:
- *write_method = write_snmpNotifyStorageType;
- break;
- case SNMPNOTIFYROWSTATUS:
- *write_method = write_snmpNotifyRowStatus;
- break;
- default:
- *write_method = NULL;
- }
- if (!found) {
- return NULL;
- }
- switch (vp->magic) {
- case SNMPNOTIFYTAG:
- *var_len = StorageTmp->snmpNotifyTagLen;
- return (u_char *) StorageTmp->snmpNotifyTag;
- case SNMPNOTIFYTYPE:
- *var_len = sizeof(StorageTmp->snmpNotifyType);
- return (u_char *) & StorageTmp->snmpNotifyType;
- case SNMPNOTIFYSTORAGETYPE:
- *var_len = sizeof(StorageTmp->snmpNotifyStorageType);
- return (u_char *) & StorageTmp->snmpNotifyStorageType;
- case SNMPNOTIFYROWSTATUS:
- *var_len = sizeof(StorageTmp->snmpNotifyRowStatus);
- return (u_char *) & StorageTmp->snmpNotifyRowStatus;
- default:
- ERROR_MSG("");
- }
- return NULL;
- }
- static int
- is_delim(const char c)
- {
- return (c == 0x020 || c == 0x09 || c == 0x0d || c == 0x0b);
- }
- int
- snmpTagValid(const char *tag, const size_t tagLen)
- {
- size_t i = 0;
- for (i = 0; i < tagLen; i++) {
- if (is_delim(tag[i])) {
- /*
- * Delimeters aren't allowed.
- */
- return 0;
- }
- }
- return 1;
- }
- static struct snmpNotifyTable_data *StorageNew;
- int
- write_snmpNotifyTag(int action,
- u_char * var_val,
- u_char var_val_type,
- size_t var_val_len,
- u_char * statP, oid * name, size_t name_len)
- {
- static char *tmpvar;
- struct snmpNotifyTable_data *StorageTmp = NULL;
- static size_t tmplen;
- size_t newlen =
- name_len - (sizeof(snmpNotifyTable_variables_oid) / sizeof(oid) +
- 3 - 1);
- DEBUGMSGTL(("snmpNotifyTable",
- "write_snmpNotifyTag entering action=%d... n", action));
- if (action != RESERVE1 &&
- (StorageTmp = (struct snmpNotifyTable_data *)
- header_complex((struct header_complex_index *)
- snmpNotifyTableStorage, NULL,
- &name[sizeof(snmpNotifyTable_variables_oid) /
- sizeof(oid) + 3 - 1], &newlen, 1, NULL,
- NULL)) == NULL) {
- if ((StorageTmp = StorageNew) == NULL)
- return SNMP_ERR_NOSUCHNAME; /* remove if you support creation here */
- }
- switch (action) {
- case RESERVE1:
- if (var_val_type != ASN_OCTET_STR) {
- return SNMP_ERR_WRONGTYPE;
- }
- if (var_val_len < 0 || var_val_len > 255) {
- return SNMP_ERR_WRONGLENGTH;
- }
- if (!snmpTagValid(var_val, var_val_len)) {
- return SNMP_ERR_WRONGVALUE;
- }
- break;
- case RESERVE2:
- /*
- * memory reseveration, final preparation...
- */
- tmpvar = StorageTmp->snmpNotifyTag;
- tmplen = StorageTmp->snmpNotifyTagLen;
- StorageTmp->snmpNotifyTag = calloc(1, var_val_len + 1);
- if (NULL == StorageTmp->snmpNotifyTag)
- return SNMP_ERR_RESOURCEUNAVAILABLE;
- break;
- case FREE:
- /*
- * Release any resources that have been allocated
- */
- break;
- case ACTION:
- memcpy(StorageTmp->snmpNotifyTag, var_val, var_val_len);
- StorageTmp->snmpNotifyTagLen = var_val_len;
- break;
- case UNDO:
- /*
- * Back out any changes made in the ACTION case
- */
- SNMP_FREE(StorageTmp->snmpNotifyTag);
- StorageTmp->snmpNotifyTag = tmpvar;
- StorageTmp->snmpNotifyTagLen = tmplen;
- tmpvar = NULL;
- break;
- case COMMIT:
- /*
- * Things are working well, so it's now safe to make the change
- * permanently. Make sure that anything done here can't fail!
- */
- SNMP_FREE(tmpvar);
- break;
- }
- return SNMP_ERR_NOERROR;
- }
- int
- write_snmpNotifyType(int action,
- u_char * var_val,
- u_char var_val_type,
- size_t var_val_len,
- u_char * statP, oid * name, size_t name_len)
- {
- static int tmpvar;
- struct snmpNotifyTable_data *StorageTmp = NULL;
- long value = *((long *) var_val);
- size_t newlen =
- name_len - (sizeof(snmpNotifyTable_variables_oid) / sizeof(oid) +
- 3 - 1);
- DEBUGMSGTL(("snmpNotifyTable",
- "write_snmpNotifyType entering action=%d... n", action));
- if (action != RESERVE1 &&
- (StorageTmp = (struct snmpNotifyTable_data *)
- header_complex((struct header_complex_index *)
- snmpNotifyTableStorage, NULL,
- &name[sizeof(snmpNotifyTable_variables_oid) /
- sizeof(oid) + 3 - 1], &newlen, 1, NULL,
- NULL)) == NULL) {
- if ((StorageTmp = StorageNew) == NULL)
- return SNMP_ERR_NOSUCHNAME;
- }
- switch (action) {
- case RESERVE1:
- if (var_val_type != ASN_INTEGER) {
- return SNMP_ERR_WRONGTYPE;
- }
- if (var_val_len != sizeof(long)) {
- return SNMP_ERR_WRONGLENGTH;
- }
- if (value < 1 || value > 2) {
- return SNMP_ERR_WRONGVALUE;
- }
- break;
- case ACTION:
- tmpvar = StorageTmp->snmpNotifyType;
- StorageTmp->snmpNotifyType = value;
- break;
- case UNDO:
- /*
- * Back out any changes made in the ACTION case
- */
- StorageTmp->snmpNotifyType = tmpvar;
- break;
- }
- return SNMP_ERR_NOERROR;
- }
- int
- write_snmpNotifyStorageType(int action,
- u_char * var_val,
- u_char var_val_type,
- size_t var_val_len,
- u_char * statP, oid * name, size_t name_len)
- {
- static int tmpvar;
- long value = *((long *) var_val);
- struct snmpNotifyTable_data *StorageTmp = NULL;
- size_t newlen =
- name_len - (sizeof(snmpNotifyTable_variables_oid) / sizeof(oid) +
- 3 - 1);
- DEBUGMSGTL(("snmpNotifyTable",
- "write_snmpNotifyStorageType entering action=%d... n",
- action));
- if (action != RESERVE1 &&
- (StorageTmp = (struct snmpNotifyTable_data *)
- header_complex((struct header_complex_index *)
- snmpNotifyTableStorage, NULL,
- &name[sizeof(snmpNotifyTable_variables_oid) /
- sizeof(oid) + 3 - 1], &newlen, 1, NULL,
- NULL)) == NULL) {
- if ((StorageTmp = StorageNew) == NULL)
- return SNMP_ERR_NOSUCHNAME;
- }
- switch (action) {
- case RESERVE1:
- if (var_val_type != ASN_INTEGER) {
- return SNMP_ERR_WRONGTYPE;
- }
- if (var_val_len != sizeof(long)) {
- return SNMP_ERR_WRONGLENGTH;
- }
- if (value != SNMP_STORAGE_OTHER && value != SNMP_STORAGE_VOLATILE
- && value != SNMP_STORAGE_NONVOLATILE) {
- return SNMP_ERR_WRONGVALUE;
- }
- break;
- case ACTION:
- tmpvar = StorageTmp->snmpNotifyStorageType;
- StorageTmp->snmpNotifyStorageType = value;
- break;
- case UNDO:
- StorageTmp->snmpNotifyStorageType = tmpvar;
- break;
- }
- return SNMP_ERR_NOERROR;
- }
- int
- write_snmpNotifyRowStatus(int action,
- u_char * var_val,
- u_char var_val_type,
- size_t var_val_len,
- u_char * statP, oid * name, size_t name_len)
- {
- struct snmpNotifyTable_data *StorageTmp = NULL;
- static struct snmpNotifyTable_data *StorageDel;
- size_t newlen =
- name_len - (sizeof(snmpNotifyTable_variables_oid) / sizeof(oid) +
- 3 - 1);
- static int old_value;
- int set_value = *((long *) var_val);
- static netsnmp_variable_list *vars, *vp;
- struct header_complex_index *hciptr;
- DEBUGMSGTL(("snmpNotifyTable",
- "write_snmpNotifyRowStatus entering action=%d... n",
- action));
- StorageTmp = (struct snmpNotifyTable_data *)
- header_complex((struct header_complex_index *)
- snmpNotifyTableStorage, NULL,
- &name[sizeof(snmpNotifyTable_variables_oid) /
- sizeof(oid) + 3 - 1], &newlen, 1, NULL, NULL);
- switch (action) {
- case RESERVE1:
- if (var_val_type != ASN_INTEGER || var_val == NULL) {
- return SNMP_ERR_WRONGTYPE;
- }
- if (var_val_len != sizeof(long)) {
- return SNMP_ERR_WRONGLENGTH;
- }
- if (set_value < 1 || set_value > 6 || set_value == RS_NOTREADY) {
- return SNMP_ERR_WRONGVALUE;
- }
- if (StorageTmp == NULL) {
- /*
- * create the row now?
- */
- /*
- * ditch illegal values now
- */
- if (set_value == RS_ACTIVE || set_value == RS_NOTINSERVICE) {
- return SNMP_ERR_INCONSISTENTVALUE;
- }
- } else {
- /*
- * row exists. Check for a valid state change
- */
- if (set_value == RS_CREATEANDGO
- || set_value == RS_CREATEANDWAIT) {
- /*
- * can't create a row that exists
- */
- return SNMP_ERR_INCONSISTENTVALUE;
- }
- /*
- * XXX: interaction with row storage type needed
- */
- }
- /*
- * memory reseveration, final preparation...
- */
- if (StorageTmp == NULL &&
- (set_value == RS_CREATEANDGO
- || set_value == RS_CREATEANDWAIT)) {
- /*
- * creation
- */
- vars = NULL;
- snmp_varlist_add_variable(&vars, NULL, 0, ASN_PRIV_IMPLIED_OCTET_STR, NULL, 0); /* snmpNotifyName */
- if (header_complex_parse_oid
- (&
- (name
- [sizeof(snmpNotifyTable_variables_oid) / sizeof(oid) +
- 2]), newlen, vars) != SNMPERR_SUCCESS) {
- /*
- * XXX: free, zero vars
- */
- snmp_free_var(vars);
- return SNMP_ERR_INCONSISTENTNAME;
- }
- vp = vars;
- StorageNew = SNMP_MALLOC_STRUCT(snmpNotifyTable_data);
- if (StorageNew == NULL) {
- return SNMP_ERR_RESOURCEUNAVAILABLE;
- }
- StorageNew->snmpNotifyName = calloc( 1, vp->val_len + 1 );
- if (StorageNew->snmpNotifyName == NULL) {
- return SNMP_ERR_RESOURCEUNAVAILABLE;
- }
- memcpy(StorageNew->snmpNotifyName, vp->val.string, vp->val_len);
- StorageNew->snmpNotifyNameLen = vp->val_len;
- vp = vp->next_variable;
- /*
- * default values
- */
- StorageNew->snmpNotifyStorageType = ST_NONVOLATILE;
- StorageNew->snmpNotifyType = SNMPNOTIFYTYPE_TRAP;
- StorageNew->snmpNotifyTagLen = 0;
- StorageNew->snmpNotifyTag = (char *) calloc(sizeof(char), 1);
- if (StorageNew->snmpNotifyTag == NULL) {
- return SNMP_ERR_RESOURCEUNAVAILABLE;
- }
- StorageNew->snmpNotifyRowStatus = set_value;
- snmp_free_var(vars);
- }
- break;
- case RESERVE2:
- break;
- case FREE:
- if (StorageNew != NULL) {
- SNMP_FREE(StorageNew->snmpNotifyTag);
- SNMP_FREE(StorageNew->snmpNotifyName);
- free(StorageNew);
- StorageNew = NULL;
- }
- break;
- case ACTION:
- if (StorageTmp == NULL && (set_value == RS_CREATEANDGO ||
- set_value == RS_CREATEANDWAIT)) {
- /*
- * row creation, so add it
- */
- if (StorageNew != NULL) {
- snmpNotifyTable_add(StorageNew);
- }
- } else if (set_value != RS_DESTROY) {
- /*
- * set the flag?
- */
- old_value = StorageTmp->snmpNotifyRowStatus;
- StorageTmp->snmpNotifyRowStatus = *((long *) var_val);
- } else {
- /*
- * destroy... extract it for now
- */
- if (StorageTmp) {
- hciptr = header_complex_find_entry(snmpNotifyTableStorage,
- StorageTmp);
- StorageDel = (struct snmpNotifyTable_data *)
- header_complex_extract_entry((struct
- header_complex_index **)
- &snmpNotifyTableStorage,
- hciptr);
- }
- }
- break;
- case UNDO:
- /*
- * Back out any changes made in the ACTION case
- */
- if (StorageTmp == NULL && (set_value == RS_CREATEANDGO ||
- set_value == RS_CREATEANDWAIT)) {
- /*
- * row creation, so remove it again
- */
- hciptr = header_complex_find_entry(snmpNotifyTableStorage,
- StorageNew);
- StorageDel = (struct snmpNotifyTable_data *)
- header_complex_extract_entry((struct header_complex_index
- **) &snmpNotifyTableStorage,
- hciptr);
- /*
- * XXX: free it
- */
- } else if (StorageDel != NULL) {
- /*
- * row deletion, so add it again
- */
- snmpNotifyTable_add(StorageDel);
- } else if (set_value != RS_DESTROY) {
- StorageTmp->snmpNotifyRowStatus = old_value;
- }
- break;
- case COMMIT:
- if (StorageDel != NULL) {
- SNMP_FREE(StorageDel->snmpNotifyTag);
- SNMP_FREE(StorageDel->snmpNotifyName);
- free(StorageDel);
- StorageDel = NULL;
- }
- if (StorageTmp
- && StorageTmp->snmpNotifyRowStatus == RS_CREATEANDGO) {
- StorageTmp->snmpNotifyRowStatus = RS_ACTIVE;
- StorageNew = NULL;
- } else if (StorageTmp &&
- StorageTmp->snmpNotifyRowStatus == RS_CREATEANDWAIT) {
- StorageTmp->snmpNotifyRowStatus = RS_NOTINSERVICE;
- StorageNew = NULL;
- }
- break;
- }
- return SNMP_ERR_NOERROR;
- }