| /* |
| * agent_read_config.c |
| */ |
| |
| #include <net-snmp/net-snmp-config.h> |
| #include <net-snmp/net-snmp-features.h> |
| |
| #if HAVE_SYS_PARAM_H |
| #include <sys/param.h> |
| #else |
| #include <sys/types.h> |
| #endif |
| #if HAVE_STDLIB_H |
| #include <stdlib.h> |
| #endif |
| #if HAVE_STRING_H |
| #include <string.h> |
| #else |
| #include <strings.h> |
| #endif |
| #include <stdio.h> |
| #include <ctype.h> |
| #include <errno.h> |
| |
| #if TIME_WITH_SYS_TIME |
| # include <sys/time.h> |
| # include <time.h> |
| #else |
| # if HAVE_SYS_TIME_H |
| # include <sys/time.h> |
| # else |
| # include <time.h> |
| # endif |
| #endif |
| #if HAVE_NETINET_IN_H |
| #include <netinet/in.h> |
| #endif |
| #if HAVE_NETINET_IN_SYSTM_H |
| #include <netinet/in_systm.h> |
| #endif |
| #if HAVE_NETINET_IP_H |
| #include <netinet/ip.h> |
| #endif |
| #ifdef NETSNMP_ENABLE_IPV6 |
| #if HAVE_NETINET_IP6_H |
| #include <netinet/ip6.h> |
| #endif |
| #endif |
| #if HAVE_SYS_QUEUE_H |
| #include <sys/queue.h> |
| #endif |
| #if HAVE_SYS_SOCKET_H |
| #include <sys/socket.h> |
| #if HAVE_SYS_SOCKETVAR_H |
| #ifndef dynix |
| #include <sys/socketvar.h> |
| #else |
| #include <sys/param.h> |
| #endif |
| #endif |
| #endif |
| #if HAVE_SYS_STREAM_H |
| # ifdef sysv5UnixWare7 |
| # define _KMEMUSER 1 /* <sys/stream.h> needs this for queue_t */ |
| # endif |
| #include <sys/stream.h> |
| #endif |
| #if HAVE_NET_ROUTE_H |
| #include <net/route.h> |
| #endif |
| #if HAVE_NETINET_IP_VAR_H |
| #include <netinet/ip_var.h> |
| #endif |
| #ifdef NETSNMP_ENABLE_IPV6 |
| #if HAVE_NETNETSNMP_ENABLE_IPV6_IP6_VAR_H |
| #include <netinet6/ip6_var.h> |
| #endif |
| #endif |
| #if HAVE_NETINET_IN_PCB_H |
| #include <netinet/in_pcb.h> |
| #endif |
| #if HAVE_INET_MIB2_H |
| #include <inet/mib2.h> |
| #endif |
| |
| #if HAVE_UNISTD_H |
| #include <unistd.h> |
| #endif |
| #ifdef HAVE_PWD_H |
| #include <pwd.h> |
| #endif |
| #ifdef HAVE_GRP_H |
| #include <grp.h> |
| #endif |
| |
| #include <net-snmp/net-snmp-includes.h> |
| #include <net-snmp/agent/net-snmp-agent-includes.h> |
| |
| #include "mibgroup/struct.h" |
| #include <net-snmp/agent/agent_trap.h> |
| #include "snmpd.h" |
| #include <net-snmp/agent/agent_callbacks.h> |
| #include <net-snmp/agent/table.h> |
| #include <net-snmp/agent/table_iterator.h> |
| #include <net-snmp/agent/table_data.h> |
| #include <net-snmp/agent/table_dataset.h> |
| #include "agent_module_includes.h" |
| #include "mib_module_includes.h" |
| |
| netsnmp_feature_child_of(agent_read_config_all, libnetsnmpagent) |
| |
| netsnmp_feature_child_of(snmpd_unregister_config_handler, agent_read_config_all) |
| |
| #ifdef HAVE_UNISTD_H |
| void |
| snmpd_set_agent_user(const char *token, char *cptr) |
| { |
| if (cptr[0] == '#') { |
| char *ecp; |
| int uid; |
| |
| uid = strtoul(cptr + 1, &ecp, 10); |
| if (*ecp != 0) { |
| config_perror("Bad number"); |
| } else { |
| netsnmp_ds_set_int(NETSNMP_DS_APPLICATION_ID, |
| NETSNMP_DS_AGENT_USERID, uid); |
| } |
| #if defined(HAVE_GETPWNAM) && defined(HAVE_PWD_H) |
| } else { |
| struct passwd *info; |
| |
| info = getpwnam(cptr); |
| if (info) |
| netsnmp_ds_set_int(NETSNMP_DS_APPLICATION_ID, |
| NETSNMP_DS_AGENT_USERID, info->pw_uid); |
| else |
| config_perror("User not found in passwd database"); |
| endpwent(); |
| #endif |
| } |
| } |
| |
| void |
| snmpd_set_agent_group(const char *token, char *cptr) |
| { |
| if (cptr[0] == '#') { |
| char *ecp; |
| int gid = strtoul(cptr + 1, &ecp, 10); |
| |
| if (*ecp != 0) { |
| config_perror("Bad number"); |
| } else { |
| netsnmp_ds_set_int(NETSNMP_DS_APPLICATION_ID, |
| NETSNMP_DS_AGENT_GROUPID, gid); |
| } |
| #if defined(HAVE_GETGRNAM) && defined(HAVE_GRP_H) |
| } else { |
| struct group *info; |
| |
| info = getgrnam(cptr); |
| if (info) |
| netsnmp_ds_set_int(NETSNMP_DS_APPLICATION_ID, |
| NETSNMP_DS_AGENT_GROUPID, info->gr_gid); |
| else |
| config_perror("Group not found in group database"); |
| endgrent(); |
| #endif |
| } |
| } |
| #endif |
| |
| #ifndef NETSNMP_NO_LISTEN_SUPPORT |
| void |
| snmpd_set_agent_address(const char *token, char *cptr) |
| { |
| char buf[SPRINT_MAX_LEN]; |
| char *ptr; |
| |
| /* |
| * has something been specified before? |
| */ |
| ptr = netsnmp_ds_get_string(NETSNMP_DS_APPLICATION_ID, |
| NETSNMP_DS_AGENT_PORTS); |
| |
| if (ptr) { |
| /* |
| * append to the older specification string |
| */ |
| snprintf(buf, sizeof(buf), "%s,%s", ptr, cptr); |
| buf[sizeof(buf) - 1] = '\0'; |
| } else { |
| strlcpy(buf, cptr, sizeof(buf)); |
| } |
| |
| DEBUGMSGTL(("snmpd_ports", "port spec: %s\n", buf)); |
| netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID, |
| NETSNMP_DS_AGENT_PORTS, buf); |
| } |
| #endif /* NETSNMP_NO_LISTEN_SUPPORT */ |
| |
| void |
| init_agent_read_config(const char *app) |
| { |
| if (app != NULL) { |
| netsnmp_ds_set_string(NETSNMP_DS_LIBRARY_ID, |
| NETSNMP_DS_LIB_APPTYPE, app); |
| } else { |
| app = netsnmp_ds_get_string(NETSNMP_DS_LIBRARY_ID, |
| NETSNMP_DS_LIB_APPTYPE); |
| } |
| |
| register_app_config_handler("authtrapenable", |
| snmpd_parse_config_authtrap, NULL, |
| "1 | 2\t\t(1 = enable, 2 = disable)"); |
| register_app_config_handler("pauthtrapenable", |
| snmpd_parse_config_authtrap, NULL, NULL); |
| |
| |
| if (netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID, |
| NETSNMP_DS_AGENT_ROLE) == MASTER_AGENT) { |
| #ifndef NETSNMP_DISABLE_SNMPV1 |
| register_app_config_handler("trapsink", |
| snmpd_parse_config_trapsink, |
| snmpd_free_trapsinks, |
| "host [community] [port]"); |
| #endif |
| #ifndef NETSNMP_DISABLE_SNMPV2C |
| register_app_config_handler("trap2sink", |
| snmpd_parse_config_trap2sink, |
| snmpd_free_trapsinks, |
| "host [community] [port]"); |
| register_app_config_handler("informsink", |
| snmpd_parse_config_informsink, |
| snmpd_free_trapsinks, |
| "host [community] [port]"); |
| #endif |
| register_app_config_handler("trapsess", |
| snmpd_parse_config_trapsess, |
| snmpd_free_trapsinks, |
| "[snmpcmdargs] host"); |
| } |
| #if !defined(NETSNMP_DISABLE_SNMPV1) || !defined(NETSNMP_DISABLE_SNMPV2C) |
| register_app_config_handler("trapcommunity", |
| snmpd_parse_config_trapcommunity, |
| snmpd_free_trapcommunity, |
| "community-string"); |
| #endif /* support for community based SNMP */ |
| netsnmp_ds_register_config(ASN_OCTET_STR, app, "v1trapaddress", |
| NETSNMP_DS_APPLICATION_ID, |
| NETSNMP_DS_AGENT_TRAP_ADDR); |
| #ifdef HAVE_UNISTD_H |
| register_app_config_handler("agentuser", |
| snmpd_set_agent_user, NULL, "userid"); |
| register_app_config_handler("agentgroup", |
| snmpd_set_agent_group, NULL, "groupid"); |
| #endif |
| #ifndef NETSNMP_NO_LISTEN_SUPPORT |
| register_app_config_handler("agentaddress", |
| snmpd_set_agent_address, NULL, |
| "SNMP bind address"); |
| #endif /* NETSNMP_NO_LISTEN_SUPPORT */ |
| netsnmp_ds_register_config(ASN_BOOLEAN, app, "quit", |
| NETSNMP_DS_APPLICATION_ID, |
| NETSNMP_DS_AGENT_QUIT_IMMEDIATELY); |
| netsnmp_ds_register_config(ASN_BOOLEAN, app, "leave_pidfile", |
| NETSNMP_DS_APPLICATION_ID, |
| NETSNMP_DS_AGENT_LEAVE_PIDFILE); |
| netsnmp_ds_register_config(ASN_BOOLEAN, app, "dontLogTCPWrappersConnects", |
| NETSNMP_DS_APPLICATION_ID, |
| NETSNMP_DS_AGENT_DONT_LOG_TCPWRAPPERS_CONNECTS); |
| netsnmp_ds_register_config(ASN_INTEGER, app, "maxGetbulkRepeats", |
| NETSNMP_DS_APPLICATION_ID, |
| NETSNMP_DS_AGENT_MAX_GETBULKREPEATS); |
| netsnmp_ds_register_config(ASN_INTEGER, app, "maxGetbulkResponses", |
| NETSNMP_DS_APPLICATION_ID, |
| NETSNMP_DS_AGENT_MAX_GETBULKRESPONSES); |
| netsnmp_init_handler_conf(); |
| |
| #include "agent_module_dot_conf.h" |
| #include "mib_module_dot_conf.h" |
| #ifdef TESTING |
| print_config_handlers(); |
| #endif |
| } |
| |
| void |
| update_config(void) |
| { |
| snmp_call_callbacks(SNMP_CALLBACK_APPLICATION, |
| SNMPD_CALLBACK_PRE_UPDATE_CONFIG, NULL); |
| free_config(); |
| read_configs(); |
| } |
| |
| |
| void |
| snmpd_register_config_handler(const char *token, |
| void (*parser) (const char *, char *), |
| void (*releaser) (void), const char *help) |
| { |
| DEBUGMSGTL(("snmpd_register_app_config_handler", |
| "registering .conf token for \"%s\"\n", token)); |
| register_app_config_handler(token, parser, releaser, help); |
| } |
| |
| void |
| snmpd_register_const_config_handler(const char *token, |
| void (*parser) (const char *, const char *), |
| void (*releaser) (void), const char *help) |
| { |
| DEBUGMSGTL(("snmpd_register_app_config_handler", |
| "registering .conf token for \"%s\"\n", token)); |
| register_app_config_handler(token, (void(*)(const char *, char *))parser, |
| releaser, help); |
| } |
| |
| #ifdef NETSNMP_FEATURE_REQUIRE_SNMPD_UNREGISTER_CONFIG_HANDLER |
| netsnmp_feature_require(unregister_app_config_handler) |
| #endif /* NETSNMP_FEATURE_REQUIRE_SNMPD_UNREGISTER_CONFIG_HANDLER */ |
| |
| #ifndef NETSNMP_FEATURE_REMOVE_SNMPD_UNREGISTER_CONFIG_HANDLER |
| void |
| snmpd_unregister_config_handler(const char *token) |
| { |
| unregister_app_config_handler(token); |
| } |
| #endif /* NETSNMP_FEATURE_REMOVE_SNMPD_UNREGISTER_CONFIG_HANDLER */ |
| |
| /* |
| * this function is intended for use by mib-modules to store permenant |
| * configuration information generated by sets or persistent counters |
| */ |
| void |
| snmpd_store_config(const char *line) |
| { |
| read_app_config_store(line); |
| } |
