#include "utils_avltree.h"
#include "utils_complain.h"
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <sys/un.h>
+
#include <curl/curl.h>
+
#include <yajl/yajl_parse.h>
#if HAVE_YAJL_YAJL_VERSION_H
# include <yajl/yajl_version.h>
char *instance;
char *host;
+ char *sock;
+
char *url;
char *user;
char *pass;
_Bool verify_peer;
_Bool verify_host;
char *cacert;
+ struct curl_slist *headers;
+ char *post_body;
CURL *curl;
char curl_errbuf[CURL_ERROR_SIZE];
#endif
static int cj_read (user_data_t *ud);
-static int cj_curl_perform (cj_t *db, CURL *curl);
static void cj_submit (cj_t *db, cj_key_t *key, value_t *value);
static size_t cj_curl_callback (void *buf, /* {{{ */
cj_t *db = (cj_t *)ctx;
if (++db->depth >= YAJL_MAX_DEPTH)
{
- ERROR ("curl_json plugin: %s depth exceeds max, aborting.", db->url);
+ ERROR ("curl_json plugin: %s depth exceeds max, aborting.", db->url ? db->url : db->sock);
return (CJ_CB_ABORT);
}
return (CJ_CB_CONTINUE);
sfree (db->pass);
sfree (db->credentials);
sfree (db->cacert);
+ sfree (db->post_body);
+ curl_slist_free_all (db->headers);
sfree (db);
} /* }}} void cj_free */
return c_avl_create ((int (*) (const void *, const void *)) strcmp);
}
+static int cj_config_append_string (const char *name, struct curl_slist **dest, /* {{{ */
+ oconfig_item_t *ci)
+{
+ if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING))
+ {
+ WARNING ("curl_json plugin: `%s' needs exactly one string argument.", name);
+ return (-1);
+ }
+
+ *dest = curl_slist_append(*dest, ci->values[0].value.string);
+ if (*dest == NULL)
+ return (-1);
+
+ return (0);
+} /* }}} int cj_config_append_string */
+
static int cj_config_add_key (cj_t *db, /* {{{ */
oconfig_item_t *ci)
{
db->verify_host ? 2L : 0L);
if (db->cacert != NULL)
curl_easy_setopt (db->curl, CURLOPT_CAINFO, db->cacert);
+ if (db->headers != NULL)
+ curl_easy_setopt (db->curl, CURLOPT_HTTPHEADER, db->headers);
+ if (db->post_body != NULL)
+ curl_easy_setopt (db->curl, CURLOPT_POSTFIELDS, db->post_body);
return (0);
} /* }}} int cj_init_curl */
memset (db, 0, sizeof (*db));
if (strcasecmp ("URL", ci->key) == 0)
- {
status = cf_util_get_string (ci, &db->url);
- if (status != 0)
- {
- sfree (db);
- return (status);
- }
- }
+ else if (strcasecmp ("Sock", ci->key) == 0)
+ status = cf_util_get_string (ci, &db->sock);
else
{
ERROR ("curl_json plugin: cj_config: "
"Invalid key: %s", ci->key);
return (-1);
}
+ if (status != 0)
+ {
+ sfree (db);
+ return (status);
+ }
/* Fill the `cj_t' structure.. */
for (i = 0; i < ci->children_num; i++)
status = cf_util_get_string (child, &db->instance);
else if (strcasecmp ("Host", child->key) == 0)
status = cf_util_get_string (child, &db->host);
- else if (strcasecmp ("User", child->key) == 0)
+ else if (db->url && strcasecmp ("User", child->key) == 0)
status = cf_util_get_string (child, &db->user);
- else if (strcasecmp ("Password", child->key) == 0)
+ else if (db->url && strcasecmp ("Password", child->key) == 0)
status = cf_util_get_string (child, &db->pass);
- else if (strcasecmp ("VerifyPeer", child->key) == 0)
+ else if (db->url && strcasecmp ("VerifyPeer", child->key) == 0)
status = cf_util_get_boolean (child, &db->verify_peer);
- else if (strcasecmp ("VerifyHost", child->key) == 0)
+ else if (db->url && strcasecmp ("VerifyHost", child->key) == 0)
status = cf_util_get_boolean (child, &db->verify_host);
- else if (strcasecmp ("CACert", child->key) == 0)
+ else if (db->url && strcasecmp ("CACert", child->key) == 0)
status = cf_util_get_string (child, &db->cacert);
+ else if (db->url && strcasecmp ("Header", child->key) == 0)
+ status = cj_config_append_string ("Header", &db->headers, child);
+ else if (db->url && strcasecmp ("Post", child->key) == 0)
+ status = cf_util_get_string (child, &db->post_body);
else if (strcasecmp ("Key", child->key) == 0)
status = cj_config_add_key (db, child);
else
if (db->tree == NULL)
{
WARNING ("curl_json plugin: No (valid) `Key' block "
- "within `URL' block `%s'.", db->url);
+ "within `%s' block `%s'.", db->url ? "URL" : "Sock", db->url ? db->url : db->sock);
status = -1;
}
- if (status == 0)
+ if (status == 0 && db->url)
status = cj_init_curl (db);
}
ud.free_func = cj_free;
ssnprintf (cb_name, sizeof (cb_name), "curl_json-%s-%s",
- db->instance, db->url);
+ db->instance, db->url ? db->url : db->sock);
plugin_register_complex_read (/* group = */ NULL, cb_name, cj_read,
/* interval = */ NULL, &ud);
{
oconfig_item_t *child = ci->children + i;
- if (strcasecmp ("URL", child->key) == 0)
+ if (strcasecmp ("Sock", child->key) == 0 || strcasecmp ("URL", child->key) == 0)
{
status = cj_config_add_url (child);
if (status == 0)
plugin_dispatch_values (&vl);
} /* }}} int cj_submit */
-static int cj_curl_perform (cj_t *db, CURL *curl) /* {{{ */
+static int cj_sock_perform (cj_t *db) /* {{{ */
{
- int status;
- long rc;
- char *url;
- yajl_handle yprev = db->yajl;
+ struct sockaddr_un sa_unix = {};
+ sa_unix.sun_family = AF_UNIX;
+ sstrncpy (sa_unix.sun_path, db->sock, sizeof (sa_unix.sun_path));
- db->yajl = yajl_alloc (&ycallbacks,
-#if HAVE_YAJL_V2
- /* alloc funcs = */ NULL,
-#else
- /* alloc funcs = */ NULL, NULL,
-#endif
- /* context = */ (void *)db);
- if (db->yajl == NULL)
+ int fd = socket (AF_UNIX, SOCK_STREAM, 0);
+ if (fd < 0)
+ return (-1);
+ if (connect (fd, (struct sockaddr *)&sa_unix, sizeof(sa_unix)) < 0)
{
- ERROR ("curl_json plugin: yajl_alloc failed.");
- db->yajl = yprev;
+ ERROR ("curl_json plugin: connect(%s) failed: %s",
+ (db->sock != NULL) ? db->sock : "<null>", strerror(errno));
+ close (fd);
return (-1);
}
+ ssize_t red;
+ do {
+ unsigned char buffer[4096];
+ red = read (fd, buffer, sizeof(buffer));
+ if (red < 0) {
+ ERROR ("curl_json plugin: read(%s) failed: %s",
+ (db->sock != NULL) ? db->sock : "<null>", strerror(errno));
+ close (fd);
+ return (-1);
+ }
+ if (!cj_curl_callback (buffer, red, 1, db))
+ break;
+ } while (red > 0);
+ close (fd);
+ return (0);
+} /* }}} int cj_sock_perform */
+
+
+static int cj_curl_perform(cj_t *db) /* {{{ */
+{
+ int status;
+ long rc;
+ char *url;
url = NULL;
- curl_easy_getinfo(curl, CURLINFO_EFFECTIVE_URL, &url);
+ curl_easy_getinfo(db->curl, CURLINFO_EFFECTIVE_URL, &url);
- status = curl_easy_perform (curl);
+ status = curl_easy_perform (db->curl);
if (status != CURLE_OK)
{
ERROR ("curl_json plugin: curl_easy_perform failed with status %i: %s (%s)",
status, db->curl_errbuf, (url != NULL) ? url : "<null>");
- yajl_free (db->yajl);
- db->yajl = yprev;
return (-1);
}
- curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &rc);
+ curl_easy_getinfo(db->curl, CURLINFO_RESPONSE_CODE, &rc);
/* The response code is zero if a non-HTTP transport was used. */
if ((rc != 0) && (rc != 200))
{
ERROR ("curl_json plugin: curl_easy_perform failed with "
"response code %ld (%s)", rc, url);
+ return (-1);
+ }
+ return (0);
+} /* }}} int cj_curl_perform */
+
+static int cj_perform (cj_t *db) /* {{{ */
+{
+ int status;
+ yajl_handle yprev = db->yajl;
+
+ db->yajl = yajl_alloc (&ycallbacks,
+#if HAVE_YAJL_V2
+ /* alloc funcs = */ NULL,
+#else
+ /* alloc funcs = */ NULL, NULL,
+#endif
+ /* context = */ (void *)db);
+ if (db->yajl == NULL)
+ {
+ ERROR ("curl_json plugin: yajl_alloc failed.");
+ db->yajl = yprev;
+ return (-1);
+ }
+
+ if (db->url ? cj_curl_perform (db) < 0 : cj_sock_perform (db) < 0)
+ {
yajl_free (db->yajl);
db->yajl = yprev;
return (-1);
yajl_free (db->yajl);
db->yajl = yprev;
return (0);
-} /* }}} int cj_curl_perform */
+} /* }}} int cj_perform */
static int cj_read (user_data_t *ud) /* {{{ */
{
db->state[db->depth].tree = db->tree;
db->key = NULL;
- return cj_curl_perform (db, db->curl);
+ return cj_perform (db);
} /* }}} int cj_read */
void module_register (void)
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