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-rw-r--r--common/config-parser.c34
-rw-r--r--common/config-parser.h2
-rw-r--r--common/snmp-engine.c27
-rw-r--r--common/snmp-engine.h8
-rw-r--r--daemon/config.c5
-rw-r--r--daemon/poll-engine.c10
-rw-r--r--daemon/rrdbotd.h1
-rw-r--r--tools/rrdbot-get.c16
8 files changed, 72 insertions, 31 deletions
diff --git a/common/config-parser.c b/common/config-parser.c
index fbb9c70..881838f 100644
--- a/common/config-parser.c
+++ b/common/config-parser.c
@@ -356,9 +356,24 @@ cfg_parse_dir(const char* dirname, void* data)
return ret;
}
+static int
+looks_like_port (const char *port)
+{
+ if (!port || !*port)
+ return 0;
+
+ while (*port) {
+ if (!isdigit(*port))
+ return 0;
+ ++port;
+ }
+
+ return 1;
+}
+
const char*
-cfg_parse_uri (char *uri, char** scheme, char** host, char** user,
- char** path, char** query)
+cfg_parse_uri (char *uri, char** scheme, char** host, char **port,
+ char** user, char** path, char** query)
{
char* t;
@@ -367,6 +382,7 @@ cfg_parse_uri (char *uri, char** scheme, char** host, char** user,
*user = NULL;
*path = NULL;
*query = NULL;
+ *port = NULL;
*scheme = strsep(&uri, ":");
if(uri == NULL || (uri[0] != '/' && uri[1] != '/'))
@@ -374,9 +390,10 @@ cfg_parse_uri (char *uri, char** scheme, char** host, char** user,
uri += 2;
*host = strsep(&uri, "/");
+
+ /* Parse the community out from the host */
if(*host[0])
{
- /* Parse the community out from the host */
t = strchr(*host, '@');
if(t)
{
@@ -386,6 +403,17 @@ cfg_parse_uri (char *uri, char** scheme, char** host, char** user,
}
}
+ /* Parse out the port from the uri */
+ if(*host[0])
+ {
+ t = strrchr(*host, ':');
+ if(t && looks_like_port(t + 1))
+ {
+ *t = 0;
+ *port = t + 1;
+ }
+ }
+
if(!*host[0])
return "invalid uri: no host name found";
diff --git a/common/config-parser.h b/common/config-parser.h
index c804874..1df5d78 100644
--- a/common/config-parser.h
+++ b/common/config-parser.h
@@ -51,7 +51,7 @@ 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, char** query);
+const char* cfg_parse_uri (char *uri, char** scheme, char** host, char **port, char** user, char** path, char** query);
/* Parsing snmp, snmp2 snmp2c etc... */
const char* cfg_parse_scheme (const char *input, enum snmp_version *scheme);
diff --git a/common/snmp-engine.c b/common/snmp-engine.c
index 96fb812..945418e 100644
--- a/common/snmp-engine.c
+++ b/common/snmp-engine.c
@@ -73,6 +73,7 @@ struct host {
char key[128];
char *hostname;
+ char *portnum;
char *community;
int version;
@@ -145,7 +146,7 @@ host_resolve (struct host *host, mstime when)
log_debug ("resolving host: %s", host->hostname);
host->last_resolve_try = when;
host->is_resolving = 0;
- async_resolver_queue (host->hostname, "161", &hints, resolve_cb, host);
+ async_resolver_queue (host->hostname, host->portnum, &hints, resolve_cb, host);
}
static int
@@ -203,7 +204,8 @@ host_update_interval (struct host *host, mstime interval)
}
static struct host*
-host_instance (const char *hostname, const char *community, int version, mstime interval)
+host_instance (const char *hostname, const char *portnum,
+ const char *community, int version, mstime interval)
{
struct addrinfo hints, *ai;
struct host *host;
@@ -213,6 +215,9 @@ host_instance (const char *hostname, const char *community, int version, mstime
ASSERT (hostname);
initialize = 0;
+ if (!portnum)
+ portnum = "161";
+
/*
* Build a lookup key. We can only combine requests for the same
* host when the version and community match.
@@ -230,7 +235,7 @@ host_instance (const char *hostname, const char *community, int version, mstime
hints.ai_socktype = SOCK_DGRAM;
hints.ai_flags = AI_NUMERICSERV | AI_NUMERICHOST;
- r = getaddrinfo (hostname, "161", &hints, &ai);
+ r = getaddrinfo (hostname, portnum, &hints, &ai);
/* Ignore error and try to resolve again later */
if (r == EAI_NONAME || r == EAI_AGAIN || r == EAI_MEMORY) {
@@ -281,6 +286,7 @@ host_instance (const char *hostname, const char *community, int version, mstime
host->version = version;
host->hostname = strdup (hostname);
+ host->portnum = strdup (portnum);
host->community = strdup (community);
host->resolve_interval = 0;
host->last_resolved = 0;
@@ -321,8 +327,10 @@ host_cleanup (void)
for (host = host_list; host; host = next) {
next = host->next;
- if (host->hostname)
+ if (host->hostname)
free (host->hostname);
+ if (host->portnum)
+ free (host->portnum);
if (host->community)
free (host->community);
if (host->prepared)
@@ -818,7 +826,8 @@ request_prep_instance (struct host *host, mstime interval, mstime timeout, int r
}
int
-snmp_engine_request (const char *hostname, const char *community, int version,
+snmp_engine_request (const char *hostname, const char *port,
+ const char *community, int version,
mstime interval, mstime timeout, int reqtype,
struct asn_oid *oid, snmp_response func, void *arg)
{
@@ -829,7 +838,7 @@ snmp_engine_request (const char *hostname, const char *community, int version,
ASSERT (func);
/* Lookup host for request */
- host = host_instance (hostname, community, version, interval);
+ host = host_instance (hostname, port, community, version, interval);
if (!host)
return 0;
@@ -945,8 +954,8 @@ sync_response (int req, int code, struct snmp_value *value, void *data)
}
int
-snmp_engine_sync (const char* host, const char* community, int version,
- uint64_t interval, uint64_t timeout, int reqtype,
+snmp_engine_sync (const char* host, const char *port, const char* community,
+ int version, uint64_t interval, uint64_t timeout, int reqtype,
struct snmp_value *value)
{
struct sync_data sync;
@@ -958,7 +967,7 @@ snmp_engine_sync (const char* host, const char* community, int version,
sync.code = 0;
sync.dest = value;
- sync.id = snmp_engine_request (host, community, version, interval, timeout,
+ sync.id = snmp_engine_request (host, port, community, version, interval, timeout,
reqtype, &value->var, sync_response, &sync);
if (!sync.id)
diff --git a/common/snmp-engine.h b/common/snmp-engine.h
index 98a45e5..59c733d 100644
--- a/common/snmp-engine.h
+++ b/common/snmp-engine.h
@@ -8,16 +8,16 @@ typedef void (*snmp_response) (int request, int code, struct snmp_value *value,
void snmp_engine_init (const char *bind_address, int retries);
-int snmp_engine_request (const char* host, const char* community, int version,
- uint64_t interval, uint64_t timeout, int reqtype,
+int snmp_engine_request (const char* host, const char *port, const char* community,
+ int version, uint64_t interval, uint64_t timeout, int reqtype,
struct asn_oid *oid, snmp_response func, void *data);
void snmp_engine_cancel (int reqid);
void snmp_engine_flush (void);
-int snmp_engine_sync (const char* host, const char* community, int version,
- uint64_t interval, uint64_t timeout, int reqtype,
+int snmp_engine_sync (const char* host, const char *port, const char* community,
+ int version, uint64_t interval, uint64_t timeout, int reqtype,
struct snmp_value *value);
void snmp_engine_stop (void);
diff --git a/daemon/config.c b/daemon/config.c
index fcc4379..0196c62 100644
--- a/daemon/config.c
+++ b/daemon/config.c
@@ -242,11 +242,11 @@ parse_item (const char *field, char *uri, config_ctx *ctx)
enum snmp_version version;
const char *msg;
char *copy;
- char *scheme, *host, *user, *path, *query;
+ char *scheme, *host, *user, *path, *query, *port;
/* Parse the SNMP URI */
copy = strdup (uri);
- msg = cfg_parse_uri (uri, &scheme, &host, &user, &path, &query);
+ msg = cfg_parse_uri (uri, &scheme, &host, &port, &user, &path, &query);
if (msg)
errx(2, "%s: %s: %s", ctx->confname, msg, copy);
free (copy);
@@ -281,6 +281,7 @@ parse_item (const char *field, char *uri, config_ctx *ctx)
item->poller = NULL; /* Set later in config_done */
item->vtype = VALUE_UNSET;
+ item->portnum = port ? port : "161";
/* Parse the hosts, query */
parse_hosts (item, host, ctx);
diff --git a/daemon/poll-engine.c b/daemon/poll-engine.c
index e628382..30faf94 100644
--- a/daemon/poll-engine.c
+++ b/daemon/poll-engine.c
@@ -291,7 +291,7 @@ field_request (rb_item *item)
item->vtype = VALUE_UNSET;
- req = snmp_engine_request (item->hostnames[item->hostindex], item->community,
+ req = snmp_engine_request (item->hostnames[item->hostindex], item->portnum, item->community,
item->version, item->poller->interval, item->poller->timeout,
SNMP_PDU_GET, &item->field_oid, field_response, item);
item->field_request = req;
@@ -321,7 +321,7 @@ query_value_request (rb_item *item, asn_subid_t subid)
log_debug ("query requesting value for table index: %u", subid);
- req = snmp_engine_request (item->hostnames[item->hostindex], item->community,
+ req = snmp_engine_request (item->hostnames[item->hostindex], item->portnum, item->community,
item->version, item->poller->interval, item->poller->timeout,
SNMP_PDU_GET, &oid, field_response, item);
@@ -434,7 +434,7 @@ query_search_request (rb_item *item)
log_debug ("query looking for next table index");
}
- req = snmp_engine_request (item->hostnames[item->hostindex], item->community,
+ req = snmp_engine_request (item->hostnames[item->hostindex], item->portnum, item->community,
item->version, item->poller->interval, item->poller->timeout,
SNMP_PDU_GETNEXT, oid, query_next_response, item);
@@ -526,7 +526,7 @@ query_pair_request (rb_item *item, asn_subid_t subid)
oid.subs[oid.len] = subid;
++oid.len;
- req = snmp_engine_request (item->hostnames[item->hostindex], item->community,
+ req = snmp_engine_request (item->hostnames[item->hostindex], item->portnum, item->community,
item->version, item->poller->interval, item->poller->timeout,
SNMP_PDU_GET, &oid, query_match_response, item);
@@ -539,7 +539,7 @@ query_pair_request (rb_item *item, asn_subid_t subid)
oid.subs[oid.len] = subid;
++oid.len;
- req = snmp_engine_request (item->hostnames[item->hostindex], item->community,
+ req = snmp_engine_request (item->hostnames[item->hostindex], item->portnum, item->community,
item->version, item->poller->interval, item->poller->timeout,
SNMP_PDU_GET, &oid, field_response, item);
diff --git a/daemon/rrdbotd.h b/daemon/rrdbotd.h
index aa19b23..49ec1bb 100644
--- a/daemon/rrdbotd.h
+++ b/daemon/rrdbotd.h
@@ -76,6 +76,7 @@ typedef struct _rb_item
/* Host names, with alternate hosts */
#define MAX_HOSTNAMES 16
const char* hostnames[MAX_HOSTNAMES];
+ const char* portnum;
int hostindex;
int n_hostnames;
diff --git a/tools/rrdbot-get.c b/tools/rrdbot-get.c
index a2fd19b..46219d9 100644
--- a/tools/rrdbot-get.c
+++ b/tools/rrdbot-get.c
@@ -60,7 +60,8 @@ struct context
struct asn_oid oid_first; /* The first OID we've done */
/* Request data */
- char host[128]; /* The remote host, resolved to an address */
+ char host[128]; /* The remote host, resolved to an address */
+ char *port; /* The remote port to connect to */
char *community; /* The community to use */
int version; /* protocol version */
@@ -153,12 +154,12 @@ parse_argument (char *uri)
enum snmp_version version;
const char* msg;
char* copy;
- char *user, *host, *scheme, *path, *query;
+ char *user, *host, *port, *scheme, *path, *query;
char *value, *name;
/* Parse the SNMP URI */
copy = strdup (uri);
- msg = cfg_parse_uri (uri, &scheme, &host, &user, &path, &query);
+ msg = cfg_parse_uri (uri, &scheme, &host, &port, &user, &path, &query);
if (msg)
errx (2, "%s: %s", msg, copy);
free (copy);
@@ -168,6 +169,7 @@ parse_argument (char *uri)
/* Host, community */
parse_host (host);
ctx.community = user ? user : "public";
+ ctx.port = port ? port : "161";
/* Currently we only support SNMP pollers */
msg = cfg_parse_scheme (scheme, &version);
@@ -282,7 +284,7 @@ process_recursive (void)
memcpy (&value.var, &last, sizeof (value.var));
- ret = snmp_engine_sync (ctx.host, ctx.community, ctx.version,
+ ret = snmp_engine_sync (ctx.host, ctx.port, ctx.community, ctx.version,
0, ctx.timeout, SNMP_PDU_GETNEXT, &value);
/* Reached the end */
@@ -330,7 +332,7 @@ process_query (void)
for (;;) {
/* Do the request */
- ret = snmp_engine_sync (ctx.host, ctx.community, ctx.version,
+ ret = snmp_engine_sync (ctx.host, ctx.port, ctx.community, ctx.version,
0, ctx.timeout, SNMP_PDU_GETNEXT, &value);
/* Convert these result codes into 'not found' */
@@ -372,7 +374,7 @@ process_query (void)
value.var.subs[value.var.len] = sub;
value.var.len++;
- ret = snmp_engine_sync (ctx.host, ctx.community, ctx.version,
+ ret = snmp_engine_sync (ctx.host, ctx.port, ctx.community, ctx.version,
0, ctx.timeout, SNMP_PDU_GET, &value);
if (ret != SNMP_ERR_NOERROR)
@@ -390,7 +392,7 @@ process_simple (void)
memset (&value, 0, sizeof (value));
memcpy (&value.var, &ctx.request_oid, sizeof (value.var));
- ret = snmp_engine_sync (ctx.host, ctx.community, ctx.version,
+ ret = snmp_engine_sync (ctx.host, ctx.port, ctx.community, ctx.version,
0, ctx.timeout, SNMP_PDU_GET, &value);
if (ret != SNMP_ERR_NOERROR)
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-31 21:09:22 +0000