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-rw-r--r--lib/client/librspamdclient.c1960
1 files changed, 1960 insertions, 0 deletions
diff --git a/lib/client/librspamdclient.c b/lib/client/librspamdclient.c
new file mode 100644
index 000000000..55a9b13dc
--- /dev/null
+++ b/lib/client/librspamdclient.c
@@ -0,0 +1,1960 @@
+/*
+ * Copyright (c) 2011, Vsevolod Stakhov
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED ''AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "librspamdclient.h"
+#include "config.h"
+#include "upstream.h"
+#include "util.h"
+#include "cfg_file.h"
+#include "logger.h"
+
+#define MAX_RSPAMD_SERVERS 255
+#define DEFAULT_CONNECT_TIMEOUT 500
+#define DEFAULT_READ_TIMEOUT 5000
+/* Default connect timeout for sync sockets */
+#define CONNECT_TIMEOUT 3
+#define G_RSPAMD_ERROR rspamd_error_quark ()
+
+struct rspamd_server {
+ struct upstream up;
+ struct in_addr addr;
+ guint16 client_port;
+ guint16 controller_port;
+ gchar *name;
+};
+
+struct rspamd_client {
+ struct rspamd_server servers[MAX_RSPAMD_SERVERS];
+ guint servers_num;
+ guint connect_timeout;
+ guint read_timeout;
+};
+
+struct rspamd_connection {
+ struct rspamd_server *server;
+ struct rspamd_client *client;
+ time_t connection_time;
+ gint socket;
+ struct rspamd_result *result;
+ GString *in_buf;
+ struct rspamd_metric *cur_metric;
+ gint version;
+};
+
+/** Util functions **/
+gint
+make_socket_nonblocking (gint fd)
+{
+ gint ofl;
+
+ ofl = fcntl (fd, F_GETFL, 0);
+
+ if (fcntl (fd, F_SETFL, ofl | O_NONBLOCK) == -1) {
+ msg_warn ("fcntl failed: %d, '%s'", errno, strerror (errno));
+ return -1;
+ }
+ return 0;
+}
+
+gint
+make_socket_blocking (gint fd)
+{
+ gint ofl;
+
+ ofl = fcntl (fd, F_GETFL, 0);
+
+ if (fcntl (fd, F_SETFL, ofl & (~O_NONBLOCK)) == -1) {
+ msg_warn ("fcntl failed: %d, '%s'", errno, strerror (errno));
+ return -1;
+ }
+ return 0;
+}
+
+gint
+poll_sync_socket (gint fd, gint timeout, short events)
+{
+ gint r;
+ struct pollfd fds[1];
+
+ fds->fd = fd;
+ fds->events = events;
+ fds->revents = 0;
+ while ((r = poll (fds, 1, timeout)) < 0) {
+ if (errno != EINTR) {
+ break;
+ }
+ }
+
+ return r;
+}
+
+static gint
+make_inet_socket (gint family, struct in_addr *addr, u_short port, gboolean is_server, gboolean async)
+{
+ gint fd, r, optlen, on = 1, s_error;
+ gint serrno;
+ struct sockaddr_in sin;
+
+ /* Create socket */
+ fd = socket (AF_INET, family, 0);
+ if (fd == -1) {
+ msg_warn ("socket failed: %d, '%s'", errno, strerror (errno));
+ return -1;
+ }
+
+ if (make_socket_nonblocking (fd) < 0) {
+ goto out;
+ }
+
+ /* Set close on exec */
+ if (fcntl (fd, F_SETFD, FD_CLOEXEC) == -1) {
+ msg_warn ("fcntl failed: %d, '%s'", errno, strerror (errno));
+ goto out;
+ }
+
+ memset (&sin, 0, sizeof (sin));
+
+ /* Bind options */
+ sin.sin_family = AF_INET;
+ sin.sin_port = htons (port);
+ sin.sin_addr.s_addr = addr->s_addr;
+
+ if (is_server) {
+ setsockopt (fd, SOL_SOCKET, SO_REUSEADDR, (const void *)&on, sizeof (gint));
+ r = bind (fd, (struct sockaddr *)&sin, sizeof (struct sockaddr_in));
+ }
+ else {
+ r = connect (fd, (struct sockaddr *)&sin, sizeof (struct sockaddr_in));
+ }
+
+ if (r == -1) {
+ if (errno != EINPROGRESS) {
+ msg_warn ("bind/connect failed: %d, '%s'", errno, strerror (errno));
+ goto out;
+ }
+ if (!async) {
+ /* Try to poll */
+ if (poll_sync_socket (fd, CONNECT_TIMEOUT * 1000, POLLOUT) <= 0) {
+ errno = ETIMEDOUT;
+ msg_warn ("bind/connect failed: timeout");
+ goto out;
+ }
+ else {
+ /* Make synced again */
+ if (make_socket_blocking (fd) < 0) {
+ goto out;
+ }
+ }
+ }
+ }
+ else {
+ /* Still need to check SO_ERROR on socket */
+ optlen = sizeof (s_error);
+ getsockopt (fd, SOL_SOCKET, SO_ERROR, (void *)&s_error, &optlen);
+ if (s_error) {
+ errno = s_error;
+ goto out;
+ }
+ }
+
+
+ return (fd);
+
+ out:
+ serrno = errno;
+ close (fd);
+ errno = serrno;
+ return (-1);
+}
+
+gint
+make_tcp_socket (struct in_addr *addr, u_short port, gboolean is_server, gboolean async)
+{
+ return make_inet_socket (SOCK_STREAM, addr, port, is_server, async);
+}
+
+gint
+make_udp_socket (struct in_addr *addr, u_short port, gboolean is_server, gboolean async)
+{
+ return make_inet_socket (SOCK_DGRAM, addr, port, is_server, async);
+}
+
+/** Private functions **/
+static inline GQuark
+rspamd_error_quark (void)
+{
+ return g_quark_from_static_string ("g-rspamd-error-quark");
+}
+
+static void
+metric_free_func (gpointer arg)
+{
+ struct rspamd_metric *m = arg;
+
+ g_hash_table_destroy (m->symbols);
+ g_free (m);
+}
+
+static void
+symbol_free_func (gpointer arg)
+{
+ struct rspamd_symbol *s = arg;
+ GList *cur = s->options;
+
+ while (cur) {
+ g_free (cur->data);
+ cur = g_list_next (cur);
+ }
+ g_list_free (s->options);
+ g_free (s);
+}
+
+static struct rspamd_connection *
+rspamd_connect_random_server (struct rspamd_client *client, gboolean is_control, GError **err)
+{
+ struct rspamd_server *selected = NULL;
+ struct rspamd_connection *new;
+ time_t now;
+
+ if (client->servers_num == 0) {
+ errno = EINVAL;
+ if (*err == NULL) {
+ *err = g_error_new (G_RSPAMD_ERROR, 1, "No servers can be reached");
+ }
+ return NULL;
+ }
+ /* Select random server */
+ now = time (NULL);
+ selected = (struct rspamd_server *)get_random_upstream (client->servers,
+ client->servers_num, sizeof (struct rspamd_server),
+ now, DEFAULT_UPSTREAM_ERROR_TIME, DEFAULT_UPSTREAM_DEAD_TIME, DEFAULT_UPSTREAM_MAXERRORS);
+ if (selected == NULL) {
+ errno = EINVAL;
+ if (*err == NULL) {
+ *err = g_error_new (G_RSPAMD_ERROR, 1, "No servers can be reached");
+ }
+ return NULL;
+ }
+ /* Allocate connection */
+ new = g_malloc (sizeof (struct rspamd_connection));
+ new->server = selected;
+ new->connection_time = now;
+ new->client = client;
+ /* Create socket */
+ new->socket = make_tcp_socket (&selected->addr,
+ is_control ? selected->controller_port : selected->client_port,
+ FALSE, TRUE);
+ if (new->socket == -1) {
+ goto err;
+ }
+ /* Poll waiting for writing */
+ if (poll_sync_socket (new->socket, client->connect_timeout , POLLOUT) <= 0) {
+ errno = ETIMEDOUT;
+ goto err;
+ }
+
+ new->in_buf = g_string_sized_new (BUFSIZ);
+ new->cur_metric = NULL;
+ return new;
+
+err:
+ if (*err == NULL) {
+ *err = g_error_new (G_RSPAMD_ERROR, errno, "Could not connect to server %s: %s",
+ selected->name, strerror (errno));
+ }
+ upstream_fail (&selected->up, now);
+ g_free (new);
+ return NULL;
+}
+
+static struct rspamd_metric *
+rspamd_create_metric (const gchar *begin, guint len)
+{
+ struct rspamd_metric *new;
+
+ new = g_malloc0 (sizeof (struct rspamd_metric));
+ new->symbols = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, symbol_free_func);
+ new->name = g_malloc (len + 1);
+ memcpy (new->name, begin, len);
+ new->name[len] = '\0';
+
+ return new;
+}
+
+static struct rspamd_result *
+rspamd_create_result (struct rspamd_connection *c)
+{
+ struct rspamd_result *new;
+
+ new = g_malloc (sizeof (struct rspamd_result));
+ new->conn = c;
+ new->headers = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
+ new->metrics = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, metric_free_func);
+ new->is_ok = FALSE;
+
+ return new;
+}
+
+/*
+ * Parse line like RSPAMD/{version} {code} {message}
+ */
+static gboolean
+parse_rspamd_first_line (struct rspamd_connection *conn, guint len, GError **err)
+{
+ gchar *b = conn->in_buf->str + sizeof("RSPAMD/") - 1, *p, *c;
+ guint remain = len - sizeof("RSPAMD/") + 1, state = 0, next_state;
+ gdouble dver;
+
+ p = b;
+ c = p;
+ while (p - b < remain) {
+ switch (state) {
+ case 0:
+ /* Read version */
+ if (g_ascii_isspace (*p)) {
+ state = 99;
+ next_state = 1;
+ dver = strtod (c, NULL);
+ conn->version = floor (dver * 10 + 0.5);
+ }
+ else if (!g_ascii_isdigit (*p) && *p != '.') {
+ goto err;
+ }
+ p ++;
+ break;
+ case 1:
+ /* Read code */
+ if (g_ascii_isspace (*p)) {
+ state = 99;
+ next_state = 2;
+ if (*c == '0') {
+ conn->result->is_ok = TRUE;
+ }
+ }
+ else if (!g_ascii_isdigit (*p)) {
+ goto err;
+ }
+ p ++;
+ break;
+ case 2:
+ /* Read message */
+ if (g_ascii_isspace (*p) || p - b == remain - 1) {
+ state = 99;
+ next_state = 3;
+ }
+ p ++;
+ break;
+ case 3:
+ goto err;
+ case 99:
+ /* Skip spaces */
+ if (!g_ascii_isspace (*p)) {
+ state = next_state;
+ c = p;
+ }
+ else {
+ p ++;
+ }
+ break;
+ }
+ }
+
+ if (state != 99) {
+ goto err;
+ }
+
+ return TRUE;
+err:
+ if (*err == NULL) {
+ *err = g_error_new (G_RSPAMD_ERROR, errno, "Invalid protocol line: %*s at pos: %d",
+ remain, b, (int)(p - b));
+ }
+ upstream_fail (&conn->server->up, conn->connection_time);
+ return FALSE;
+}
+
+/*
+ * Parse line like Metric: <name>; <True|False|Skip>; <score> / <required_score>[ / <reject_score>]
+ */
+static gboolean
+parse_rspamd_metric_line (struct rspamd_connection *conn, guint len, GError **err)
+{
+ gchar *b = conn->in_buf->str + sizeof("Metric:") - 1, *p, *c, *err_str;
+ guint remain = len - sizeof("Metric:") + 1, state = 0, next_state;
+ struct rspamd_metric *new;
+
+ p = b;
+
+ while (g_ascii_isspace (*p)) {
+ p ++;
+ }
+ c = p;
+
+ while (p - b < remain) {
+ switch (state) {
+ case 0:
+ /* Read metric's name */
+ if (*p == ';') {
+ if (p - c <= 1) {
+ /* Empty metric name */
+ goto err;
+ }
+ else {
+ /* Create new metric */
+ new = rspamd_create_metric (c, p - c);
+ if (g_hash_table_lookup (conn->result->metrics, new->name) != NULL) {
+ /* Duplicate metric */
+ metric_free_func (new);
+ goto err;
+ }
+ g_hash_table_insert (conn->result->metrics, new->name, new);
+ conn->cur_metric = new;
+ state = 99;
+ next_state = 1;
+ }
+ }
+ p ++;
+ break;
+ case 1:
+ /* Read boolean result */
+ if (*p == ';') {
+ if (p - c >= (gint)sizeof("Skip")) {
+ if (memcmp (c, "Skip", p - c - 1) == 0) {
+ new->is_skipped = TRUE;
+ }
+ }
+ state = 99;
+ next_state = 2;
+ }
+ p ++;
+ break;
+ case 2:
+ /* Read score */
+ if (g_ascii_isspace (*p)) {
+ new->score = strtod (c, &err_str);
+ if (*err_str != *p) {
+ /* Invalid score */
+ goto err;
+ }
+ state = 99;
+ next_state = 3;
+ }
+ p ++;
+ break;
+ case 3:
+ /* Read / */
+ if (g_ascii_isspace (*p)) {
+ state = 99;
+ next_state = 4;
+ }
+ else if (*p != '/') {
+ goto err;
+ }
+ p ++;
+ break;
+ case 4:
+ /* Read required score */
+ if (g_ascii_isspace (*p) || p - b == remain - 1) {
+ new->required_score = strtod (c, &err_str);
+ if (*err_str != *p && *err_str != *(p + 1)) {
+ /* Invalid score */
+ goto err;
+ }
+ state = 99;
+ next_state = 5;
+ }
+ p ++;
+ break;
+ case 5:
+ /* Read / if it exists */
+ if (g_ascii_isspace (*p)) {
+ state = 99;
+ next_state = 6;
+ }
+ else if (*p != '/') {
+ goto err;
+ }
+ p ++;
+ break;
+ case 6:
+ /* Read reject score */
+ if (g_ascii_isspace (*p) || p - b == remain - 1) {
+ new->reject_score = strtod (c, &err_str);
+ if (*err_str != *p && *err_str != *(p + 1)) {
+ /* Invalid score */
+ goto err;
+ }
+ state = 99;
+ }
+ p ++;
+ break;
+ case 99:
+ /* Skip spaces */
+ if (!g_ascii_isspace (*p)) {
+ state = next_state;
+ c = p;
+ }
+ else {
+ p ++;
+ }
+ break;
+ }
+ }
+
+ if (state != 99) {
+ goto err;
+ }
+ return TRUE;
+
+err:
+ if (*err == NULL) {
+ *err = g_error_new (G_RSPAMD_ERROR, errno, "Invalid metric line: %*s at pos: %d, state: %d",
+ remain, b, (int)(p - b), state);
+ }
+ upstream_fail (&conn->server->up, conn->connection_time);
+ return FALSE;
+}
+
+/*
+ * Parse line like Symbol: <name>[(score)]; [option1, [option2 ...]]
+ */
+static gboolean
+parse_rspamd_symbol_line (struct rspamd_connection *conn, guint len, GError **err)
+{
+ gchar *b = conn->in_buf->str + sizeof("Symbol:") - 1, *p, *c, *err_str, *sym;
+ guint remain = len - sizeof("Symbol:") + 1, state = 0, next_state, l;
+ struct rspamd_symbol *new;
+
+ p = b;
+ while (g_ascii_isspace (*p)) {
+ p ++;
+ }
+ c = p;
+ while (p - b < remain) {
+ switch (state) {
+ case 0:
+ /* Read symbol's name */
+ if (p - b == remain - 1 || *p == ';' || *p == '(') {
+ if (p - c <= 1) {
+ /* Empty symbol name */
+ goto err;
+ }
+ else {
+ if (p - b == remain - 1) {
+ l = p - c + 1;
+ }
+ else {
+ if (*p == '(') {
+ next_state = 1;
+ }
+ else if (*p == ';' ) {
+ next_state = 2;
+ }
+ l = p - c;
+ }
+ /* Create new symbol */
+ sym = g_malloc (l + 1);
+ sym[l] = '\0';
+ memcpy (sym, c, l);
+
+ if (g_hash_table_lookup (conn->cur_metric->symbols, sym) != NULL) {
+ /* Duplicate symbol */
+ g_free (sym);
+ goto err;
+ }
+ new = g_malloc0 (sizeof (struct rspamd_symbol));
+ new->name = sym;
+ g_hash_table_insert (conn->cur_metric->symbols, sym, new);
+ state = 99;
+ }
+ }
+ p ++;
+ break;
+ case 1:
+ /* Read symbol's weight */
+ if (*p == ')') {
+ new->weight = strtod (c, &err_str);
+ if (*err_str != *p) {
+ /* Invalid weight */
+ goto err;
+ }
+ if (*(p + 1) == ';') {
+ p ++;
+ }
+ state = 99;
+ if (conn->version >= 13) {
+ next_state = 2;
+ }
+ else {
+ next_state = 3;
+ }
+ }
+ p ++;
+ break;
+ case 2:
+ /* Read description */
+ if (*p == ';' || p - b == remain - 1) {
+ if (*p == ';') {
+ l = p - c;
+ }
+ else {
+ l = p - c + 1;
+ }
+
+ if (l > 0) {
+ sym = g_malloc (l + 1);
+ sym[l] = '\0';
+ memcpy (sym, c, l);
+ new->description = sym;
+ }
+ state = 99;
+ next_state = 3;
+ }
+ p ++;
+ break;
+ case 3:
+ /* Read option */
+ if (*p == ',' || p - b == remain - 1) {
+ /* Insert option into linked list */
+ l = p - c;
+ if (p - b == remain - 1) {
+ l ++;
+ }
+ sym = g_malloc (l + 1);
+ sym[l] = '\0';
+ memcpy (sym, c, l);
+ new->options = g_list_prepend (new->options, sym);
+ state = 99;
+ next_state = 2;
+ }
+ p ++;
+ break;
+ case 99:
+ /* Skip spaces */
+ if (!g_ascii_isspace (*p)) {
+ state = next_state;
+ c = p;
+ }
+ else {
+ p ++;
+ }
+ break;
+ }
+ }
+
+ if (state != 99) {
+ goto err;
+ }
+ return TRUE;
+
+ err:
+ if (*err == NULL) {
+ *err = g_error_new (G_RSPAMD_ERROR, errno, "Invalid symbol line: %*s at pos: %d, at state: %d",
+ remain, b, (int)(p - b), state);
+ }
+ upstream_fail (&conn->server->up, conn->connection_time);
+ return FALSE;
+}
+
+/*
+ * Parse line like Action: <action>
+ */
+static gboolean
+parse_rspamd_action_line (struct rspamd_connection *conn, guint len, GError **err)
+{
+ gchar *b = conn->in_buf->str + sizeof("Action:") - 1, *p, *c, *sym;
+ guint remain = len - sizeof("Action:") + 1, state = 0, next_state;
+
+ p = b;
+ c = b;
+ while (p - b < remain) {
+ switch (state) {
+ case 0:
+ /* Read action */
+ if (g_ascii_isspace (*p)) {
+ state = 99;
+ next_state = 1;
+ }
+ else {
+ state = 1;
+ }
+ break;
+ case 1:
+ if (p - b == remain - 1) {
+ if (p - c <= 1) {
+ /* Empty action name */
+ goto err;
+ }
+ else {
+ /* Create new action */
+ sym = g_malloc (p - c + 2);
+ sym[p - c + 1] = '\0';
+ memcpy (sym, c, p - c + 1);
+
+ conn->cur_metric->action = sym;
+ state = 99;
+ }
+ }
+ p ++;
+ break;
+ case 99:
+ /* Skip spaces */
+ if (!g_ascii_isspace (*p)) {
+ state = next_state;
+ c = p;
+ }
+ else {
+ p ++;
+ }
+ break;
+ }
+ }
+
+ if (state != 99) {
+ goto err;
+ }
+ return TRUE;
+
+ err:
+ if (*err == NULL) {
+ *err = g_error_new (G_RSPAMD_ERROR, errno, "Invalid action line: %*s at pos: %d",
+ remain, b, (int)(p - b));
+ }
+ upstream_fail (&conn->server->up, conn->connection_time);
+ return FALSE;
+}
+
+/*
+ * Parse line like Header: <value>
+ */
+static gboolean
+parse_rspamd_header_line (struct rspamd_connection *conn, guint len, GError **err)
+{
+ gchar *b = conn->in_buf->str, *p, *c, *hname = NULL, *hvalue = NULL;
+ guint remain = len, state = 0, next_state;
+
+ p = b;
+ c = b;
+ while (p - b < remain) {
+ switch (state) {
+ case 0:
+ /* Read header name */
+ if (*p == ':') {
+ if (p - c <= 1) {
+ /* Empty header name */
+ goto err;
+ }
+ else {
+ /* Create header name */
+ hname = g_malloc (p - c + 1);
+ hname[p - c] = '\0';
+ memcpy (hname, c, p - c);
+ next_state = 1;
+ state = 99;
+ }
+ }
+ p ++;
+ break;
+ case 1:
+ if (p - b == remain - 1) {
+ if (p - c <= 1) {
+ /* Empty action name */
+ goto err;
+ }
+ else {
+ /* Create header value */
+ hvalue = g_malloc (p - c + 2);
+ hvalue[p - c + 1] = '\0';
+ memcpy (hvalue, c, p - c + 1);
+ g_hash_table_replace (conn->result->headers, hname, hvalue);
+ state = 99;
+ }
+ }
+ p ++;
+ break;
+ case 99:
+ /* Skip spaces */
+ if (!g_ascii_isspace (*p)) {
+ state = next_state;
+ c = p;
+ }
+ else {
+ p ++;
+ }
+ break;
+ }
+ }
+
+ if (state != 99) {
+ goto err;
+ }
+ return TRUE;
+
+ err:
+ if (*err == NULL) {
+ *err = g_error_new (G_RSPAMD_ERROR, errno, "Invalid header line: %*s at pos: %d",
+ remain, b, (int)(p - b));
+ }
+ if (hname) {
+ g_free (hname);
+ }
+ if (hvalue) {
+ g_free (hvalue);
+ }
+ upstream_fail (&conn->server->up, conn->connection_time);
+ return FALSE;
+}
+
+static gboolean
+parse_rspamd_reply_line (struct rspamd_connection *c, guint len, GError **err)
+{
+ gchar *p = c->in_buf->str;
+
+ g_assert (len > 0);
+
+ /*
+ * In fact we have 3 states of parsing:
+ * 1) we have current metric and parse symbols
+ * 2) we have no current metric and skip everything to headers hash
+ * 3) we have current metric but got not symbol but header -> put it into headers hash
+ * Line is parsed using specific state machine
+ */
+ if (c->cur_metric == NULL) {
+ if (len > sizeof ("RSPAMD/") && memcmp (p, "RSPAMD/", sizeof ("RSPAMD/") - 1) == 0) {
+ return parse_rspamd_first_line (c, len, err);
+ }
+ else if (len > sizeof ("Metric:") && memcmp (p, "Metric:", sizeof("Metric:") - 1) == 0) {
+ return parse_rspamd_metric_line (c, len, err);
+ }
+ else {
+ return parse_rspamd_header_line (c, len, err);
+ }
+ }
+ else {
+ if (len > sizeof ("Metric:") && memcmp (p, "Metric:", sizeof("Metric:") - 1) == 0) {
+ return parse_rspamd_metric_line (c, len, err);
+ }
+ else if (len > sizeof ("Symbol:") && memcmp (p, "Symbol:", sizeof("Symbol:") - 1) == 0) {
+ return parse_rspamd_symbol_line (c, len, err);
+ }
+ else if (len > sizeof ("Action:") && memcmp (p, "Action:", sizeof("Action:") - 1) == 0) {
+ return parse_rspamd_action_line (c, len, err);
+ }
+ else {
+ return parse_rspamd_header_line (c, len, err);
+ }
+ }
+
+ /* Not reached */
+ return FALSE;
+}
+
+static gboolean
+read_rspamd_reply_line (struct rspamd_connection *c, GError **err)
+{
+ gint len, r;
+ char p;
+
+ /* Try to obtain string from the input buffer */
+ if (c->in_buf->len > 0) {
+ len = 0;
+ while (len < (gint)c->in_buf->len) {
+ p = c->in_buf->str[len];
+ if (p == '\r' || p == '\n') {
+ if (parse_rspamd_reply_line (c, len, err)) {
+ /* Strip '\r\n' */
+ while (len < (gint)c->in_buf->len && (p == '\r' || p == '\n')) {
+ p = c->in_buf->str[++len];
+ }
+ /* Move remaining buffer to the begin of string */
+ c->in_buf = g_string_erase (c->in_buf, 0, len);
+ len = 0;
+ }
+ else {
+ return FALSE;
+ }
+ }
+ len ++;
+ }
+ }
+ /* Poll socket */
+ if ((r = poll_sync_socket (c->socket, c->client->read_timeout, POLL_IN)) <= 0) {
+ if (*err == NULL) {
+ if (r == 0) {
+ errno = ETIMEDOUT;
+ }
+ *err = g_error_new (G_RSPAMD_ERROR, errno, "Cannot read reply from controller %s: %s",
+ c->server->name, strerror (errno));
+ }
+ upstream_fail (&c->server->up, c->connection_time);
+ return FALSE;
+ }
+ if (c->in_buf->allocated_len - c->in_buf->len < BUFSIZ / 2) {
+ /* Grow buffer */
+ c->in_buf = g_string_set_size (c->in_buf, c->in_buf->allocated_len * 2);
+ }
+ /* Read new data to a string */
+ if ((r = read (c->socket,
+ c->in_buf->str + c->in_buf->len,
+ c->in_buf->allocated_len - c->in_buf->len)) > 0) {
+ /* Try to parse remaining data */
+ c->in_buf->len += r;
+ return read_rspamd_reply_line (c, err);
+ }
+
+ return FALSE;
+}
+
+/*
+ * More or less portable version of sendfile
+ */
+static gboolean
+rspamd_sendfile (gint sock, gint fd, GError **err)
+{
+
+ /* Make socket blocking for further operations */
+ make_socket_blocking (sock);
+#ifdef HAVE_SENDFILE
+# if defined(FREEBSD) || defined(DARWIN)
+ off_t off = 0;
+# if defined(FREEBSD)
+ /* FreeBSD version */
+ if (sendfile (fd, sock, 0, 0, NULL, &off, 0) != 0) {
+# elif defined(DARWIN)
+ /* Darwin version */
+ if (sendfile (fd, sock, 0, &off, NULL, 0) != 0) {
+# endif
+ goto err;
+ }
+# else
+ ssize_t r;
+ off_t off = 0;
+ struct stat st;
+
+ fstat (fd, &st);
+ /* Linux version */
+ r = sendfile (sock, fd, &off, st.st_size);
+ if (r == -1) {
+ goto err;
+ }
+# endif
+#else
+ /* Emulating version */
+ ssize_t r;
+ gchar buf[BUFSIZ];
+
+ while ((r = read (fd, buf, sizeof (buf))) > 0) {
+ if ((r = write (sock, buf, r)) != r) {
+ goto err;
+ }
+ }
+#endif
+ make_socket_nonblocking (sock);
+
+ return TRUE;
+
+err:
+ if (*err == NULL) {
+ *err = g_error_new (G_RSPAMD_ERROR, errno, "Sendfile error: %s",
+ strerror (errno));
+ }
+ return FALSE;
+}
+
+#ifndef GLIB_HASH_COMPAT
+static gboolean
+rspamd_send_normal_command (struct rspamd_connection *c, const gchar *command,
+ gsize clen, GHashTable *headers, GError **err)
+{
+ gchar outbuf[16384];
+ GHashTableIter it;
+ gpointer key, value;
+ gint r;
+
+ /* Write command */
+ r = snprintf (outbuf, sizeof (outbuf), "%s RSPAMC/1.3\r\n", command);
+ r += snprintf (outbuf + r, sizeof (outbuf) - r, "Content-Length: %lu\r\n", (unsigned long)clen);
+ /* Iterate through headers */
+ if (headers != NULL) {
+ g_hash_table_iter_init (&it, headers);
+ while (g_hash_table_iter_next (&it, &key, &value)) {
+ r += snprintf (outbuf + r, sizeof (outbuf) - r, "%s: %s\r\n", (const gchar *)key, (const gchar *)value);
+ }
+ }
+ r += snprintf (outbuf + r, sizeof (outbuf) - r, "\r\n");
+
+ if ((r = write (c->socket, outbuf, r)) == -1) {
+ if (*err == NULL) {
+ *err = g_error_new (G_RSPAMD_ERROR, errno, "Write error: %s",
+ strerror (errno));
+ }
+ return FALSE;
+ }
+
+ return TRUE;
+}
+#else
+/* Compatible version */
+struct hash_iter_cb {
+ gchar *buf;
+ gsize size;
+ gsize pos;
+};
+
+static void
+rspamd_hash_iter_cb (gpointer key, gpointer value, gpointer ud)
+{
+ struct hash_iter_cb *cd = ud;
+
+ cd->pos += snprintf (cd->buf + cd->pos, cd->size - cd->pos,
+ "%s: %s\r\n", (const gchar *)key, (const gchar *)value);
+}
+
+static gboolean
+rspamd_send_normal_command (struct rspamd_connection *c, const gchar *command,
+ gsize clen, GHashTable *headers, GError **err)
+{
+ gchar outbuf[16384];
+ gint r;
+ struct hash_iter_cb cbdata;
+
+ /* Write command */
+ r = snprintf (outbuf, sizeof (outbuf), "%s RSPAMC/1.3\r\n", command);
+ r += snprintf (outbuf + r, sizeof (outbuf) - r, "Content-Length: %lu\r\n", (unsigned long)clen);
+ /* Iterate through headers */
+ if (headers != NULL) {
+ cbdata.size = sizeof (outbuf);
+ cbdata.pos = r;
+ cbdata.buf = outbuf;
+ g_hash_table_foreach (headers, rspamd_hash_iter_cb, &cbdata);
+ r = cbdata.pos;
+ }
+ r += snprintf (outbuf + r, sizeof (outbuf) - r, "\r\n");
+
+ if ((r = write (c->socket, outbuf, r)) == -1) {
+ if (*err == NULL) {
+ *err = g_error_new (G_RSPAMD_ERROR, errno, "Write error: %s",
+ strerror (errno));
+ }
+ return FALSE;
+ }
+
+ return TRUE;
+}
+#endif
+
+static void
+rspamd_free_connection (struct rspamd_connection *c)
+{
+ make_socket_blocking (c->socket);
+ (void)close (c->socket);
+ g_string_free (c->in_buf, TRUE);
+
+ g_free (c);
+}
+
+/*
+ * Send a single command to controller and get reply
+ */
+static GString *
+rspamd_send_controller_command (struct rspamd_connection *c, const gchar *line, gsize len, gint fd, GError **err)
+{
+ GString *res = NULL;
+ gchar tmpbuf[BUFSIZ];
+ gint r = 0;
+ static const gchar end_marker[] = "END\r\n";
+
+ /* Set blocking for writing */
+ make_socket_blocking (c->socket);
+ if (write (c->socket, line, len) == -1) {
+ if (*err == NULL) {
+ *err = g_error_new (G_RSPAMD_ERROR, errno, "Write error: %s",
+ strerror (errno));
+ }
+ return NULL;
+ }
+ if (fd != -1) {
+ if (!rspamd_sendfile (c->socket, fd, err)) {
+ return NULL;
+ }
+ }
+ /* Now set non-blocking mode and read buffer till END\r\n marker */
+ make_socket_nonblocking (c->socket);
+ /* Poll socket */
+ do {
+ if ((r = poll_sync_socket (c->socket, c->client->read_timeout, POLL_IN)) <= 0) {
+ if (*err == NULL) {
+ if (r == 0) {
+ errno = ETIMEDOUT;
+ }
+ *err = g_error_new (G_RSPAMD_ERROR, errno, "Cannot read reply from controller %s: %s",
+ c->server->name, strerror (errno));
+ }
+ upstream_fail (&c->server->up, c->connection_time);
+ return NULL;
+ }
+ if ((r = read (c->socket, tmpbuf, sizeof (tmpbuf))) > 0) {
+ /* Check the end of the buffer for END marker */
+ if (r >= (gint)sizeof (end_marker) - 1 &&
+ memcmp (tmpbuf + r - sizeof (end_marker) + 1, end_marker, sizeof (end_marker) - 1) == 0) {
+ r -= sizeof (end_marker) - 1;
+ /* Copy the rest to the result string */
+ if (res == NULL) {
+ res = g_string_new_len (tmpbuf, r);
+ return res;
+ }
+ else {
+ /* Append data to string */
+ if (r > 0) {
+ res = g_string_append_len (res, tmpbuf, r);
+ }
+ return res;
+ }
+ }
+ else {
+ /* Store data inside res */
+ if (res == NULL) {
+ res = g_string_new_len (tmpbuf, r);
+ }
+ else {
+ /* Append data to string */
+ res = g_string_append_len (res, tmpbuf, r);
+ }
+ }
+ }
+ } while (r > 0);
+
+ /* Incomplete reply, so store error */
+ if (*err == NULL) {
+ *err = g_error_new (G_RSPAMD_ERROR, errno, "Cannot read reply from controller %s: %s",
+ c->server->name, strerror (errno));
+ }
+ upstream_fail (&c->server->up, c->connection_time);
+ return NULL;
+}
+
+/*
+ * Authenticate on the controller
+ */
+static gboolean
+rspamd_controller_auth (struct rspamd_connection *c, const gchar *password, GError **err)
+{
+ gchar outbuf[BUFSIZ];
+ static const gchar success_str[] = "password accepted";
+ gint r;
+ GString *in;
+
+ r = snprintf (outbuf, sizeof (outbuf), "password %s\r\n", password);
+ in = rspamd_send_controller_command (c, outbuf, r, -1, err);
+
+ if (in == NULL) {
+ return FALSE;
+ }
+
+ if (in->len >= sizeof (success_str) - 1 &&
+ memcmp (in->str, success_str, sizeof (success_str) - 1) == 0) {
+ g_string_free (in, TRUE);
+ return TRUE;
+ }
+
+ g_string_free (in, TRUE);
+ return FALSE;
+}
+
+/*
+ * Read greeting from the controller
+ */
+static gboolean
+rspamd_read_controller_greeting (struct rspamd_connection *c, GError **err)
+{
+ gchar inbuf[BUFSIZ];
+ gint r;
+ static const gchar greeting_str[] = "Rspamd";
+
+ if ((r = poll_sync_socket (c->socket, c->client->read_timeout, POLL_IN)) <= 0) {
+ if (*err == NULL) {
+ if (r == 0) {
+ errno = ETIMEDOUT;
+ }
+ *err = g_error_new (G_RSPAMD_ERROR, errno, "Cannot read reply from controller %s: %s",
+ c->server->name, strerror (errno));
+ }
+ upstream_fail (&c->server->up, c->connection_time);
+ return FALSE;
+ }
+ if ((r = read (c->socket, inbuf, sizeof (inbuf))) > 0) {
+ if (r >= (gint)sizeof (greeting_str) - 1 &&
+ memcmp (inbuf, greeting_str, sizeof (greeting_str) - 1) == 0) {
+ return TRUE;
+ }
+ }
+ else {
+ if (*err == NULL) {
+ *err = g_error_new (G_RSPAMD_ERROR, errno, "Cannot read reply from controller %s: %s",
+ c->server->name, strerror (errno));
+ }
+ upstream_fail (&c->server->up, c->connection_time);
+ return FALSE;
+ }
+
+ return FALSE;
+}
+
+/** Public API **/
+
+/*
+ * Init rspamd client library
+ */
+struct rspamd_client*
+rspamd_client_init (void)
+{
+ struct rspamd_client *client;
+
+ client = g_malloc0 (sizeof (struct rspamd_client));
+ client->read_timeout = DEFAULT_READ_TIMEOUT;
+ client->connect_timeout = DEFAULT_CONNECT_TIMEOUT;
+
+ return client;
+}
+
+/*
+ * Add rspamd server
+ */
+gboolean
+rspamd_add_server (struct rspamd_client *client, const gchar *host, guint16 port,
+ guint16 controller_port, GError **err)
+{
+ struct rspamd_server *new;
+ struct hostent *hent;
+
+ g_assert (client != NULL);
+ if (client->servers_num >= MAX_RSPAMD_SERVERS) {
+ if (*err == NULL) {
+ *err = g_error_new (G_RSPAMD_ERROR, 1, "Maximum number of servers reached: %d", MAX_RSPAMD_SERVERS);
+ }
+ return FALSE;
+ }
+ new = &client->servers[client->servers_num];
+
+ if (!inet_aton (host, &new->addr)) {
+ /* Try to call gethostbyname */
+ hent = gethostbyname (host);
+ if (hent == NULL) {
+ if (*err == NULL) {
+ *err = g_error_new (G_RSPAMD_ERROR, 1, "Cannot resolve: %s", host);
+ }
+ return FALSE;
+ }
+ else {
+ memcpy (&new->addr, hent->h_addr, sizeof (struct in_addr));
+ }
+ }
+ new->client_port = port;
+ new->controller_port = controller_port;
+ new->name = g_strdup (host);
+
+ client->servers_num ++;
+ return TRUE;
+}
+
+/*
+ * Set timeouts (values in milliseconds)
+ */
+void
+rspamd_set_timeout (struct rspamd_client *client, guint connect_timeout, guint read_timeout)
+{
+ g_assert (client != NULL);
+
+ if (connect_timeout > 0) {
+ client->connect_timeout = connect_timeout;
+ }
+ if (read_timeout > 0) {
+ client->read_timeout = read_timeout;
+ }
+}
+
+/*
+ * Scan message from memory
+ */
+struct rspamd_result *
+rspamd_scan_memory (struct rspamd_client *client, const guchar *message, gsize length, GHashTable *headers, GError **err)
+{
+ struct rspamd_connection *c;
+ struct rspamd_result *res = NULL;
+
+ g_assert (client != NULL);
+ g_assert (length > 0);
+
+ /* Connect to server */
+ c = rspamd_connect_random_server (client, FALSE, err);
+
+ if (c == NULL) {
+ return NULL;
+ }
+
+ /* Set socket blocking for writing */
+ make_socket_blocking (c->socket);
+ /* Send command */
+ if (!rspamd_send_normal_command (c, "SYMBOLS", length, headers, err)) {
+ return NULL;
+ }
+
+ /* Send message */
+ if (write (c->socket, message, length) == -1) {
+ if (*err == NULL) {
+ *err = g_error_new (G_RSPAMD_ERROR, errno, "Write error: %s",
+ strerror (errno));
+ }
+ return NULL;
+ }
+
+ /* Create result structure */
+ res = rspamd_create_result (c);
+ c->result = res;
+ /* Restore non-blocking mode for reading operations */
+ make_socket_nonblocking (c->socket);
+
+ /* Read result cycle */
+ while (read_rspamd_reply_line (c, err));
+
+ upstream_ok (&c->server->up, c->connection_time);
+ return res;
+}
+
+/*
+ * Scan message from file
+ */
+struct rspamd_result *
+rspamd_scan_file (struct rspamd_client *client, const guchar *filename, GHashTable *headers, GError **err)
+{
+ gint fd;
+ g_assert (client != NULL);
+
+ /* Open file */
+ if ((fd = open (filename, O_RDONLY)) == -1) {
+ if (*err == NULL) {
+ *err = g_error_new (G_RSPAMD_ERROR, errno, "Open error for file %s: %s",
+ filename, strerror (errno));
+ }
+ return NULL;
+ }
+
+ return rspamd_scan_fd (client, fd, headers, err);
+}
+
+/*
+ * Scan message from fd
+ */
+struct rspamd_result *
+rspamd_scan_fd (struct rspamd_client *client, int fd, GHashTable *headers, GError **err)
+{
+ struct rspamd_connection *c;
+ struct rspamd_result *res = NULL;
+ struct stat st;
+
+ g_assert (client != NULL);
+
+ /* Connect to server */
+ c = rspamd_connect_random_server (client, FALSE, err);
+
+ if (c == NULL) {
+ return NULL;
+ }
+
+ /* Get length */
+ if (fstat (fd, &st) == -1) {
+ if (*err == NULL) {
+ *err = g_error_new (G_RSPAMD_ERROR, errno, "Stat error: %s",
+ strerror (errno));
+ }
+ return NULL;
+ }
+ if (st.st_size == 0) {
+ if (*err == NULL) {
+ *err = g_error_new (G_RSPAMD_ERROR, -1, "File has zero length");
+ }
+ return NULL;
+ }
+ /* Set socket blocking for writing */
+ make_socket_blocking (c->socket);
+ /* Send command */
+ if (!rspamd_send_normal_command (c, "SYMBOLS", (gsize)st.st_size, headers, err)) {
+ return NULL;
+ }
+
+ /* Send message */
+ if (!rspamd_sendfile (c->socket, fd, err)) {
+ return NULL;
+ }
+
+ /* Create result structure */
+ res = rspamd_create_result (c);
+ c->result = res;
+ /* Restore non-blocking mode for reading operations */
+ make_socket_nonblocking (c->socket);
+
+ /* Read result cycle */
+ while (read_rspamd_reply_line (c, err));
+
+ upstream_ok (&c->server->up, c->connection_time);
+ return res;
+}
+
+/*
+ * Learn message from memory
+ */
+gboolean
+rspamd_learn_memory (struct rspamd_client *client, const guchar *message, gsize length, const gchar *symbol, const gchar *password, GError **err)
+{
+ struct rspamd_connection *c;
+ GString *in;
+ gchar *outbuf;
+ guint r;
+ static const gchar ok_str[] = "learn ok";
+
+ g_assert (client != NULL);
+ g_assert (length > 0);
+
+ /* Connect to server */
+ c = rspamd_connect_random_server (client, TRUE, err);
+
+ if (c == NULL) {
+ return FALSE;
+ }
+
+ /* Read greeting */
+ if (! rspamd_read_controller_greeting (c, err)) {
+ if (*err == NULL) {
+ *err = g_error_new (G_RSPAMD_ERROR, errno, "Invalid greeting");
+ }
+ return FALSE;
+ }
+ /* Perform auth */
+ if (! rspamd_controller_auth (c, password, err)) {
+ if (*err == NULL) {
+ *err = g_error_new (G_RSPAMD_ERROR, errno, "Authentication error");
+ }
+ return FALSE;
+ }
+
+ r = length + sizeof ("learn %s %uz\r\n") + strlen (symbol) + sizeof ("4294967296");
+ outbuf = g_malloc (r);
+ r = snprintf (outbuf, r, "learn %s %lu\r\n%s", symbol, (unsigned long)length, message);
+ in = rspamd_send_controller_command (c, outbuf, r, -1, err);
+ g_free (outbuf);
+ if (in == NULL) {
+ return FALSE;
+ }
+
+ /* Search for string learn ok */
+ if (in->len > sizeof (ok_str) - 1 && memcmp (in->str, ok_str, sizeof (ok_str) - 1) == 0) {
+ upstream_ok (&c->server->up, c->connection_time);
+ return TRUE;
+ }
+ else {
+ if (*err == NULL) {
+ *err = g_error_new (G_RSPAMD_ERROR, errno, "Bad reply: %s", in->str);
+ }
+ }
+ return FALSE;
+}
+
+/*
+ * Learn message from file
+ */
+gboolean
+rspamd_learn_file (struct rspamd_client *client, const guchar *filename, const gchar *symbol, const gchar *password, GError **err)
+{
+ gint fd;
+ g_assert (client != NULL);
+
+ /* Open file */
+ if ((fd = open (filename, O_RDONLY)) == -1) {
+ if (*err == NULL) {
+ *err = g_error_new (G_RSPAMD_ERROR, errno, "Open error for file %s: %s",
+ filename, strerror (errno));
+ }
+ return FALSE;
+ }
+
+ return rspamd_learn_fd (client, fd, symbol, password, err);
+}
+
+/*
+ * Learn message from fd
+ */
+gboolean
+rspamd_learn_fd (struct rspamd_client *client, int fd, const gchar *symbol, const gchar *password, GError **err)
+{
+ struct rspamd_connection *c;
+ GString *in;
+ gchar *outbuf;
+ guint r;
+ struct stat st;
+ static const gchar ok_str[] = "learn ok";
+
+ g_assert (client != NULL);
+
+ /* Connect to server */
+ c = rspamd_connect_random_server (client, TRUE, err);
+
+ if (c == NULL) {
+ return FALSE;
+ }
+
+ /* Read greeting */
+ if (! rspamd_read_controller_greeting (c, err)) {
+ if (*err == NULL) {
+ *err = g_error_new (G_RSPAMD_ERROR, errno, "Invalid greeting");
+ }
+ return FALSE;
+ }
+ /* Perform auth */
+ if (! rspamd_controller_auth (c, password, err)) {
+ if (*err == NULL) {
+ *err = g_error_new (G_RSPAMD_ERROR, errno, "Authentication error");
+ }
+ return FALSE;
+ }
+
+ /* Get length */
+ if (fstat (fd, &st) == -1) {
+ if (*err == NULL) {
+ *err = g_error_new (G_RSPAMD_ERROR, errno, "Stat error: %s",
+ strerror (errno));
+ }
+ return FALSE;
+ }
+ if (st.st_size == 0) {
+ if (*err == NULL) {
+ *err = g_error_new (G_RSPAMD_ERROR, -1, "File has zero length");
+ }
+ return FALSE;
+ }
+ r = sizeof ("learn %s %uz\r\n") + strlen (symbol) + sizeof ("4294967296");
+ outbuf = g_malloc (r);
+ r = snprintf (outbuf, r, "learn %s %lu\r\n", symbol, (unsigned long)st.st_size);
+ in = rspamd_send_controller_command (c, outbuf, r, fd, err);
+ g_free (outbuf);
+ if (in == NULL) {
+ return FALSE;
+ }
+
+ /* Search for string learn ok */
+ if (in->len > sizeof (ok_str) - 1 && memcmp (in->str, ok_str, sizeof (ok_str) - 1) == 0) {
+ upstream_ok (&c->server->up, c->connection_time);
+ return TRUE;
+ }
+ else {
+ if (*err == NULL) {
+ *err = g_error_new (G_RSPAMD_ERROR, errno, "Bad reply: %s", in->str);
+ }
+ }
+
+ return FALSE;
+}
+
+/*
+ * Learn message from memory
+ */
+gboolean
+rspamd_learn_spam_memory (struct rspamd_client *client, const guchar *message, gsize length, const gchar *classifier, gboolean is_spam, const gchar *password, GError **err)
+{
+ struct rspamd_connection *c;
+ GString *in;
+ gchar *outbuf;
+ guint r;
+ static const gchar ok_str[] = "learn ok";
+
+ g_assert (client != NULL);
+ g_assert (length > 0);
+
+ /* Connect to server */
+ c = rspamd_connect_random_server (client, TRUE, err);
+
+ if (c == NULL) {
+ return FALSE;
+ }
+
+ /* Read greeting */
+ if (! rspamd_read_controller_greeting (c, err)) {
+ if (*err == NULL) {
+ *err = g_error_new (G_RSPAMD_ERROR, errno, "Invalid greeting");
+ }
+ return FALSE;
+ }
+ /* Perform auth */
+ if (! rspamd_controller_auth (c, password, err)) {
+ if (*err == NULL) {
+ *err = g_error_new (G_RSPAMD_ERROR, errno, "Authentication error");
+ }
+ return FALSE;
+ }
+
+ r = length + sizeof ("learn_spam %s %uz\r\n") + strlen (classifier) + sizeof ("4294967296");
+ outbuf = g_malloc (r);
+ r = snprintf (outbuf, r, "learn_%s %s %lu\r\n%s", is_spam ? "spam" : "ham",
+ classifier, (unsigned long)length, message);
+ in = rspamd_send_controller_command (c, outbuf, r, -1, err);
+ g_free (outbuf);
+ if (in == NULL) {
+ return FALSE;
+ }
+
+ /* Search for string learn ok */
+ if (in->len > sizeof (ok_str) - 1 && memcmp (in->str, ok_str, sizeof (ok_str) - 1) == 0) {
+ upstream_ok (&c->server->up, c->connection_time);
+ return TRUE;
+ }
+ else {
+ if (*err == NULL) {
+ *err = g_error_new (G_RSPAMD_ERROR, errno, "Bad reply: %s", in->str);
+ }
+ }
+ return FALSE;
+}
+
+/*
+ * Learn message from file
+ */
+gboolean
+rspamd_learn_spam_file (struct rspamd_client *client, const guchar *filename, const gchar *classifier, gboolean is_spam, const gchar *password, GError **err)
+{
+ gint fd;
+ g_assert (client != NULL);
+
+ /* Open file */
+ if ((fd = open (filename, O_RDONLY)) == -1) {
+ if (*err == NULL) {
+ *err = g_error_new (G_RSPAMD_ERROR, errno, "Open error for file %s: %s",
+ filename, strerror (errno));
+ }
+ return FALSE;
+ }
+
+ return rspamd_learn_spam_fd (client, fd, classifier, is_spam, password, err);
+}
+
+/*
+ * Learn message from fd
+ */
+gboolean
+rspamd_learn_spam_fd (struct rspamd_client *client, int fd, const gchar *classifier, gboolean is_spam, const gchar *password, GError **err)
+{
+ struct rspamd_connection *c;
+ GString *in;
+ gchar *outbuf;
+ guint r;
+ struct stat st;
+ static const gchar ok_str[] = "learn ok";
+
+ g_assert (client != NULL);
+
+ /* Connect to server */
+ c = rspamd_connect_random_server (client, TRUE, err);
+
+ if (c == NULL) {
+ return FALSE;
+ }
+
+ /* Read greeting */
+ if (! rspamd_read_controller_greeting (c, err)) {
+ if (*err == NULL) {
+ *err = g_error_new (G_RSPAMD_ERROR, errno, "Invalid greeting");
+ }
+ return FALSE;
+ }
+ /* Perform auth */
+ if (! rspamd_controller_auth (c, password, err)) {
+ if (*err == NULL) {
+ *err = g_error_new (G_RSPAMD_ERROR, errno, "Authentication error");
+ }
+ return FALSE;
+ }
+
+ /* Get length */
+ if (fstat (fd, &st) == -1) {
+ if (*err == NULL) {
+ *err = g_error_new (G_RSPAMD_ERROR, errno, "Stat error: %s",
+ strerror (errno));
+ }
+ return FALSE;
+ }
+ if (st.st_size == 0) {
+ if (*err == NULL) {
+ *err = g_error_new (G_RSPAMD_ERROR, -1, "File has zero length");
+ }
+ return FALSE;
+ }
+ r = sizeof ("learn_spam %s %uz\r\n") + strlen (classifier) + sizeof ("4294967296");
+ outbuf = g_malloc (r);
+ r = snprintf (outbuf, r, "learn_%s %s %lu\r\n", is_spam ? "spam" : "ham",
+ classifier, (unsigned long)st.st_size);
+ in = rspamd_send_controller_command (c, outbuf, r, fd, err);
+ g_free (outbuf);
+ if (in == NULL) {
+ return FALSE;
+ }
+
+ /* Search for string learn ok */
+ if (in->len > sizeof (ok_str) - 1 && memcmp (in->str, ok_str, sizeof (ok_str) - 1) == 0) {
+ upstream_ok (&c->server->up, c->connection_time);
+ return TRUE;
+ }
+ else {
+ if (*err == NULL) {
+ *err = g_error_new (G_RSPAMD_ERROR, errno, "Bad reply: %s", in->str);
+ }
+ }
+
+ return FALSE;
+}
+
+
+/*
+ * Learn message fuzzy from memory
+ */
+gboolean
+rspamd_fuzzy_memory (struct rspamd_client *client, const guchar *message, gsize length, const gchar *password, gint weight, gint flag, gboolean delete, GError **err)
+{
+ struct rspamd_connection *c;
+ GString *in;
+ gchar *outbuf;
+ guint r;
+ static const gchar ok_str[] = "OK";
+
+ g_assert (client != NULL);
+ g_assert (length > 0);
+
+ /* Connect to server */
+ c = rspamd_connect_random_server (client, TRUE, err);
+
+ if (c == NULL) {
+ return FALSE;
+ }
+
+ /* Read greeting */
+ if (! rspamd_read_controller_greeting (c, err)) {
+ if (*err == NULL) {
+ *err = g_error_new (G_RSPAMD_ERROR, errno, "Invalid greeting");
+ }
+ return FALSE;
+ }
+ /* Perform auth */
+ if (! rspamd_controller_auth (c, password, err)) {
+ if (*err == NULL) {
+ *err = g_error_new (G_RSPAMD_ERROR, errno, "Authentication error");
+ }
+ return FALSE;
+ }
+
+ r = length + sizeof ("fuzzy_add %uz %d %d\r\n") + sizeof ("4294967296") * 3;
+ outbuf = g_malloc (r);
+ if (delete) {
+ r = snprintf (outbuf, r, "fuzzy_del %lu %d %d\r\n%s", (unsigned long)length, weight, flag, message);
+ }
+ else {
+ r = snprintf (outbuf, r, "fuzzy_add %lu %d %d\r\n%s", (unsigned long)length, weight, flag, message);
+ }
+ in = rspamd_send_controller_command (c, outbuf, r, -1, err);
+ g_free (outbuf);
+ if (in == NULL) {
+ return FALSE;
+ }
+
+ /* Search for string "OK" */
+ if (in->len > sizeof (ok_str) - 1 && memcmp (in->str, ok_str, sizeof (ok_str) - 1) == 0) {
+ upstream_ok (&c->server->up, c->connection_time);
+ return TRUE;
+ }
+ else {
+ if (*err == NULL) {
+ *err = g_error_new (G_RSPAMD_ERROR, errno, "Bad reply: %s", in->str);
+ }
+ }
+ return FALSE;
+}
+
+/*
+ * Learn message fuzzy from file
+ */
+gboolean
+rspamd_fuzzy_file (struct rspamd_client *client, const guchar *filename, const gchar *password, gint weight, gint flag, gboolean delete, GError **err)
+{
+ gint fd;
+ g_assert (client != NULL);
+
+ /* Open file */
+ if ((fd = open (filename, O_RDONLY)) == -1) {
+ if (*err == NULL) {
+ *err = g_error_new (G_RSPAMD_ERROR, errno, "Open error for file %s: %s",
+ filename, strerror (errno));
+ }
+ return FALSE;
+ }
+
+ return rspamd_fuzzy_fd (client, fd, password, weight, flag, delete, err);
+}
+
+/*
+ * Learn message fuzzy from fd
+ */
+gboolean
+rspamd_fuzzy_fd (struct rspamd_client *client, int fd, const gchar *password, gint weight, gint flag, gboolean delete, GError **err)
+{
+ struct rspamd_connection *c;
+ GString *in;
+ gchar *outbuf;
+ guint r;
+ struct stat st;
+ static const gchar ok_str[] = "OK";
+
+ g_assert (client != NULL);
+
+ /* Connect to server */
+ c = rspamd_connect_random_server (client, TRUE, err);
+
+ if (c == NULL) {
+ return FALSE;
+ }
+
+ /* Read greeting */
+ if (! rspamd_read_controller_greeting (c, err)) {
+ if (*err == NULL) {
+ *err = g_error_new (G_RSPAMD_ERROR, errno, "Invalid greeting");
+ }
+ return FALSE;
+ }
+ /* Perform auth */
+ if (! rspamd_controller_auth (c, password, err)) {
+ if (*err == NULL) {
+ *err = g_error_new (G_RSPAMD_ERROR, errno, "Authentication error");
+ }
+ return FALSE;
+ }
+ /* Get length */
+ if (fstat (fd, &st) == -1) {
+ if (*err == NULL) {
+ *err = g_error_new (G_RSPAMD_ERROR, errno, "Stat error: %s",
+ strerror (errno));
+ }
+ return FALSE;
+ }
+ if (st.st_size == 0) {
+ if (*err == NULL) {
+ *err = g_error_new (G_RSPAMD_ERROR, -1, "File has zero length");
+ }
+ return FALSE;
+ }
+ r = sizeof ("fuzzy_add %uz %d %d\r\n") + sizeof ("4294967296") * 3;
+ outbuf = g_malloc (r);
+ if (delete) {
+ r = snprintf (outbuf, r, "fuzzy_del %lu %d %d\r\n", (unsigned long)st.st_size, weight, flag);
+ }
+ else {
+ r = snprintf (outbuf, r, "fuzzy_add %lu %d %d\r\n", (unsigned long)st.st_size, weight, flag);
+ }
+ in = rspamd_send_controller_command (c, outbuf, r, fd, err);
+
+ g_free (outbuf);
+ if (in == NULL) {
+ return FALSE;
+ }
+
+ /* Search for string "OK" */
+ if (in->len > sizeof (ok_str) - 1 && memcmp (in->str, ok_str, sizeof (ok_str) - 1) == 0) {
+ upstream_ok (&c->server->up, c->connection_time);
+ return TRUE;
+ }
+ else {
+ if (*err == NULL) {
+ *err = g_error_new (G_RSPAMD_ERROR, errno, "Bad reply: %s", in->str);
+ }
+ }
+ return FALSE;
+}
+
+GString *
+rspamd_get_stat (struct rspamd_client *client, GError **err)
+{
+ struct rspamd_connection *c;
+ GString *res;
+ static const gchar outcmd[] = "stat\r\n";
+
+ g_assert (client != NULL);
+
+ /* Connect to server */
+ c = rspamd_connect_random_server (client, TRUE, err);
+
+ if (c == NULL) {
+ return NULL;
+ }
+
+ res = rspamd_send_controller_command (c, outcmd, strlen (outcmd), -1, err);
+
+ return res;
+}
+
+GString *
+rspamd_get_uptime (struct rspamd_client *client, GError **err)
+{
+ struct rspamd_connection *c;
+ GString *res;
+ static const gchar outcmd[] = "uptime\r\n";
+
+ g_assert (client != NULL);
+
+ /* Connect to server */
+ c = rspamd_connect_random_server (client, TRUE, err);
+
+ if (c == NULL) {
+ return NULL;
+ }
+
+ res = rspamd_send_controller_command (c, outcmd, strlen (outcmd), -1, err);
+
+ return res;
+}
+
+/*
+ * Free results
+ */
+void
+rspamd_free_result (struct rspamd_result *result)
+{
+ g_assert (result != NULL);
+
+ g_hash_table_destroy (result->headers);
+ g_hash_table_destroy (result->metrics);
+ rspamd_free_connection (result->conn);
+}
+
+/*
+ * Close library and free associated resources
+ */
+void
+rspamd_client_close (struct rspamd_client *client)
+{
+ g_free (client);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 16:23:53 +0000