* general cleanup : drop remaining f2b_cmsg_t

src/CMakeLists.txt

@@ -1,6 +1,6 @@
 set(CMAKE_INCLUDE_CURRENT_DIR ON)
 
-set(SOURCES "daemon.c" "strlcpy.c" "config.c" "log.c" "matches.c" "ipaddr.c"
+set(SOURCES "daemon.c" "strlcpy.c" "config.c" "buf.c" "log.c" "matches.c" "ipaddr.c"
   "appconfig.c" "statefile.c" "source.c" "filter.c" "backend.c" "jail.c")
 
 if (WITH_CSOCKET)

src/appconfig.c

@@ -11,7 +11,6 @@
 
 f2b_appconfig_t appconfig = {
   .daemon = false,
-  .csock = -1,
   .uid = 0,
   .gid = 0,
   .logdest = "file",

src/appconfig.h

@@ -14,7 +14,6 @@ typedef struct f2b_appconfig_t {
   bool daemon;
   uid_t uid;
   gid_t gid;
-  int csock;
   char logdest[CONFIG_KEY_MAX];
   char config_path[PATH_MAX];
   char logfile_path[PATH_MAX];

src/csocket.c

@@ -5,236 +5,98 @@
  * published by the Free Software Foundation.
  */
 #include "common.h"
+#include "buf.h"
+#include "log.h"
 #include "commands.h"
 #include "csocket.h"
-#include "log.h"
 
-int
+#include <sys/socket.h>
+#include <arpa/inet.h>
+#include <sys/un.h>
+
+typedef struct f2b_conn_t {
+  int sock;
+  const char *path;
+  f2b_buf_t recv;
+  f2b_buf_t send;
+} f2b_conn_t;
+
+struct f2b_csock_t {
+  f2b_conn_t *clients[MAXCONNS];
+  const char *path;
+  int sock;
+  bool shutdown;
+};
+
+f2b_csock_t *
 f2b_csocket_create(const char *path) {
+  f2b_csock_t *csock;
   struct sockaddr_un addr;
-  int csock = -1;
-  int flags = -1;
+  int sock = -1;
 
   assert(path != NULL);
 
-  if ((csock = socket(AF_UNIX, SOCK_DGRAM, 0)) < 0) {
+  if ((sock = socket(AF_UNIX, SOCK_STREAM | SOCK_NONBLOCK, 0)) < 0) {
     f2b_log_msg(log_error, "can't create control socket: %s", strerror(errno));
-    return -1;
+    return NULL;
   }
 
   memset(&addr, 0x0, sizeof(addr));
   addr.sun_family = AF_UNIX;
   strlcpy(addr.sun_path, path, sizeof(addr.sun_path) - 1);
 
-  if ((flags = fcntl(csock, F_GETFL, 0)) < 0)
-    return -1;
-  if (fcntl(csock, F_SETFL, flags | O_NONBLOCK) < 0) {
-    f2b_log_msg(log_error, "can't set non-blocking mode on socket: %s", strerror(errno));
-    return -1;
-  }
-
   unlink(path);
-  if (bind(csock, (struct sockaddr *) &addr, sizeof(struct sockaddr_un)) != 0) {
+  if (bind(sock, (struct sockaddr *) &addr, sizeof(struct sockaddr_un)) != 0) {
     f2b_log_msg(log_error, "bind() on socket failed: %s", strerror(errno));
-    return -1;
+    return NULL;
   }
 
-  return csock;
+  if (listen(sock, 5) < 0) {
+    f2b_log_msg(log_error, "listen() on socket failed: %s", strerror(errno));
+    return NULL;
   }
 
-void
-f2b_csocket_destroy(int sock, const char *path) {
-  assert(path != NULL);
-
-  if (sock >= 0)
-    close(sock);
+  if ((csock = calloc(1, sizeof(f2b_csock_t))) == NULL) {
+    f2b_log_msg(log_error, "can't allocate memory for csocket struct");
+    shutdown(sock, SHUT_RDWR);
     unlink(path);
-
-  return;
-}
-
-int
-f2b_csocket_connect(const char *spath, const char *cpath) {
-  struct sockaddr_un caddr, saddr;
-  int csock = -1;
-
-  assert(spath != NULL);
-  assert(cpath != NULL);
-
-  memset(&saddr, 0x0, sizeof(caddr));
-  memset(&caddr, 0x0, sizeof(saddr));
-
-  caddr.sun_family = AF_LOCAL;
-  strlcpy(caddr.sun_path, cpath, sizeof(caddr.sun_path));
-  saddr.sun_family = AF_LOCAL;
-  strlcpy(saddr.sun_path, spath, sizeof(saddr.sun_path));
-
-  if ((csock = socket(AF_UNIX, SOCK_DGRAM, 0)) < 0) {
-    f2b_log_msg(log_error, "can't create control socket");
-    return -1;
-  }
-
-  if (bind(csock, (struct sockaddr *) &caddr, sizeof(struct sockaddr_un)) != 0) {
-    f2b_log_msg(log_error, "bind() to local side of socket failed: %s", strerror(errno));
-    return -1;
-  }
-
-  if (connect(csock, (struct sockaddr *) &saddr, sizeof(struct sockaddr_un)) != 0) {
-    f2b_log_msg(log_error, "connect() to socket failed: %s", strerror(errno));
-    return -1;
+    return NULL;
   }
 
+  csock->sock = sock;
+  csock->path = path;
   return csock;
 }
 
 void
-f2b_csocket_disconnect(int sock, const char *cpath) {
-  unlink(cpath);
-  if (sock >= 0)
-    close(sock);
-  return;
-}
+f2b_csocket_destroy(f2b_csock_t *csock) {
+  f2b_conn_t *conn = NULL;
+  assert(csock != NULL);
+
+  if (csock->sock >= 0)
+    shutdown(csock->sock, SHUT_RDWR);
+  if (csock->path != NULL)
+    unlink(csock->path);
+  for (int i = 0; i < MAXCONNS; i++) {
+    if ((conn = csock->clients[i]) == NULL)
+      continue;
+    shutdown(conn->sock, SHUT_RDWR);
+    f2b_buf_free(&conn->recv);
+    f2b_buf_free(&conn->send);
+    free(conn);
+  }
+  free(csock);
 
-void
-f2b_csocket_rtimeout(int sock, float timeout) {
-  int ret = 0;
-  struct timeval tv;
-  tv.tv_sec  = (int) timeout;
-  tv.tv_usec = (int) ((timeout - tv.tv_sec) * 1000000);
-  ret = setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, (void *) &tv, sizeof(struct timeval));
-  if (ret == 0)
   return;
-  f2b_log_msg(log_warn, "can't set recv timeout for csocket: %s", strerror(errno));
-}
-
-const char *
-f2b_csocket_error(int retcode) {
-  const char *err = "no error";
-  switch (retcode) {
-    case -1 : err = strerror(errno); break;
-    case -2 : err = "damaged cmsg on socket: truncated"; break;
-    case -3 : err = "damaged cmsg on socket: no magic"; break;
-    case -4 : err = "damaged cmsg on socket: version mismatch"; break;
-    case -5 : err = "damaged cmsg on socket: unknown command type"; break;
-    case -6 : err = "damaged cmsg on socket: size mismatch"; break;
-    default : err = "unknown cmsg error"; break;
-  }
-  return err;
 }
 
 int
-f2b_csocket_recv(int csock, f2b_cmsg_t *cmsg, struct sockaddr_storage *addr, socklen_t *addrlen) {
-  struct msghdr msg;
-  uint16_t size;
-  int ret;
-
-  assert(csock >= 0);
-  assert(cmsg != NULL);
-
-  struct iovec iov[] = {
-    { .iov_len = sizeof(cmsg->magic),   .iov_base = &cmsg->magic[0] },
-    { .iov_len = sizeof(cmsg->version), .iov_base = &cmsg->version },
-    { .iov_len = sizeof(cmsg->type),    .iov_base = &cmsg->type },
-    { .iov_len = sizeof(cmsg->flags),   .iov_base = &cmsg->flags },
-    { .iov_len = sizeof(cmsg->size),    .iov_base = &size /* need ntohs */ },
-    { .iov_len = sizeof(cmsg->pass),    .iov_base = &cmsg->pass[0] },
-    { .iov_len = sizeof(cmsg->data),    .iov_base = &cmsg->data[0] },
-  };
-
-  memset(&msg, 0x0, sizeof(msg));
-  msg.msg_name    = addr;
-  msg.msg_namelen = *addrlen;
-  msg.msg_iov     = iov;
-  msg.msg_iovlen  = 7;
-
-  ret = recvmsg(csock, &msg, 0);
-  if (ret < 0 && errno == EAGAIN)
-    return 0; /* non-blocking mode & no messages */
-  if (ret < 0)
-    return -1; /* recvmsg() error, see errno */
-  if (msg.msg_flags & MSG_TRUNC)
-    return -2; /* truncated */
-  if (memcmp(cmsg->magic, "F2B", 3) != 0)
-    return -3; /* no magic */
-  if (cmsg->version != F2B_PROTO_VER)
-    return -4; /* version mismatch */
-  if (cmsg->type >= CMD_MAX_NUMBER)
-    return -5; /* unknown command */
-  cmsg->size = ntohs(size);
-  if (ret != (cmsg->size + 16))
-    return -6; /* size mismatch */
-  *addrlen = msg.msg_namelen;
-
-  return ret;
-}
-
-int
-f2b_csocket_send(int csock, f2b_cmsg_t *cmsg, struct sockaddr_storage *addr, socklen_t *addrlen) {
-  struct msghdr msg;
-  uint16_t size;
-  int ret;
-
-  assert(csock >= 0);
-  assert(cmsg != NULL);
-
-  struct iovec iov[] = {
-    { .iov_len = sizeof(cmsg->magic),   .iov_base = &cmsg->magic[0] },
-    { .iov_len = sizeof(cmsg->version), .iov_base = &cmsg->version },
-    { .iov_len = sizeof(cmsg->type),    .iov_base = &cmsg->type },
-    { .iov_len = sizeof(cmsg->flags),   .iov_base = &cmsg->flags },
-    { .iov_len = sizeof(cmsg->size),    .iov_base = &size /* need htons */ },
-    { .iov_len = sizeof(cmsg->pass),    .iov_base = &cmsg->pass[0] },
-    { .iov_len = cmsg->size,            .iov_base = &cmsg->data[0] },
-  };
-  size = htons(cmsg->size);
-
-  memset(&msg, 0x0, sizeof(msg));
-  msg.msg_name    = addr;
-  msg.msg_namelen = *addrlen;
-  msg.msg_iov     = iov;
-  msg.msg_iovlen  = 7;
-
-  if ((ret = sendmsg(csock, &msg, 0)) <= 0)
-    return -1; /* see errno */
-
-  return ret;
-}
-
-int
-f2b_csocket_poll(int csock, void (*cb)(const f2b_cmd_t *cmd, f2b_buf_t *res)) {
-  char res[DATA_LEN_MAX + 1];
-  f2b_cmsg_t cmsg;
-  struct sockaddr_storage addr;
-  socklen_t addrlen;
+f2b_csocket_poll(f2b_csock_t *csock, void (*cb)(const f2b_cmd_t *cmd, f2b_buf_t *res)) {
+  f2b_cmd_t *cmd = NULL;
   int ret, processed = 0;
 
-  assert(csock >= 0);
+  assert(csock != NULL);
   assert(cb != NULL);
 
-  while (1) {
-    memset(&cmsg, 0x0, sizeof(cmsg));
-    memset(&addr, 0x0, sizeof(addr));
-    addrlen = sizeof(addr);
-    ret = f2b_csocket_recv(csock, &cmsg, &addr, &addrlen);
-    if (ret == 0)
-      break; /* no messages */
-    if (ret < 0) {
-      f2b_log_msg(log_error, "%s", f2b_csocket_error(ret));
-    }
-    /* TODO: check auth */
-    cb(&cmsg, res, sizeof(res));
-    if (cmsg.flags & CMSG_FLAG_NEED_REPLY) {
-      memset(&cmsg, 0x0, sizeof(cmsg));
-      strncpy(cmsg.magic, "F2B", sizeof(cmsg.magic));
-      strlcpy(cmsg.data,  res,   sizeof(cmsg.data));
-      cmsg.version = F2B_PROTO_VER;
-      cmsg.type = CMD_RESP;
-      cmsg.size = strlen(res);
-      cmsg.data[cmsg.size] = '\0';
-      ret = f2b_csocket_send(csock, &cmsg, &addr, &addrlen);
-    }
-    processed++;
-  }
-
   return processed;
 }

src/csocket.h

@@ -7,56 +7,27 @@
 #ifndef F2B_CSOCKET_H_
 #define F2B_CSOCKET_H_
 
+#define MAXCONNS 5
+
+typedef struct f2b_csock_t f2b_csock_t;
+
 /**
  * @file
  * This file contains control socket manage routines
  */
 
-#include <sys/socket.h>
-#include <arpa/inet.h>
-#include <sys/un.h>
-
 /**
  * @brief Create UNIX socket with given path
  * @param path Path to socket endpoint
  * @returns Socket fd
  */
-int  f2b_csocket_create (const char *path);
+f2b_csock_t * f2b_csocket_create (const char *path);
 /**
  * @brief Close UNIX socket and unlink endpoint
  * @param csock Socket fd
  * @param path Path to socket endpoint
  */
-void f2b_csocket_destroy(int csock, const char *path);
-
-/**
- * @brief Connect to given socket
- * @param spath path to control socket endpoint
- * @param cpath Path to client socket's endpoint
- * @returns Connected fd or -1 on error
- */
-int  f2b_csocket_connect(const char *spath, const char *cpath);
-/**
- * @brief Close client connection and unlink client's endpoint
- * @param csock Socket fd
- * @param cpath Path to client socket's endpoint
- */
-void f2b_csocket_disconnect(int csock, const char *cpath);
-
-/**
- * @brief Set recieve rimeout on socket
- * @param csock Socket fd
- * @param timeout Timeout in seconds
- */
-void f2b_csocket_rtimeout(int csock, float timeout);
-
-/**
- * @brief Get error description for f2b_csocket_recv()
- * @param retcode Return code fromf2b_csocket_recv()
- * @returns Pointer to errro description
- */
-const char *
-f2b_csocket_error(int retcode);
+void f2b_csocket_destroy(f2b_csock_t *csock);
 
 /**
  * @brief Poll control socket for new messages
@@ -64,26 +35,6 @@ f2b_csocket_error(int retcode);
  * @param cb Callback for handling message
  * @returns -1 on error, 0 on no messages, and > 0 on some messages processed
  */
-int f2b_csocket_poll(int csock, void (*cb)(const f2b_cmd_t *cmd, f2b_buf_t *res));
-
-/**
- * @brief Pack and send control message
- * @param csock Opened socket fd
- * @param cmsg  Control message pointer
- * @param addr  Pointer for destination address store
- * @param addrlen  Size of address storage
- * @returns >0 on success
- */
-int f2b_csocket_send(int csock, f2b_cmsg_t *cmsg, struct sockaddr_storage *addr, socklen_t *addrlen);
-
-/**
- * @brief Recieve and unpack control message
- * @param csock Opened socket fd
- * @param cmsg  Control message pointer
- * @param addr  Pointer for sender address store
- * @param addrlen  Size of address storage
- * @returns >0 on success, 0 on no avalilable messages, <0 on error
- */
-int f2b_csocket_recv(int csock, f2b_cmsg_t *cmsg, struct sockaddr_storage *addr, socklen_t *addrlen);
+int f2b_csocket_poll(f2b_csock_t *csock, void (*cb)(const f2b_cmd_t *cmd, f2b_buf_t *res));
 
 #endif /* F2B_CSOCKET_H_ */

src/daemon.c

@@ -10,6 +10,7 @@
 #include "jail.h"
 #include "backend.h"
 #include "appconfig.h"
+#include "buf.h"
 #include "commands.h"
 #include "csocket.h"
 
@@ -55,89 +56,95 @@ void usage(int exitcode) {
   exit(exitcode);
 }
 
+static f2b_csock_t *csock = NULL;
 #ifndef WITH_CSOCKET
 /* add stubs to reduce #ifdef count */
-int f2b_csocket_create (const char *path) {
+f2b_csock_t *
+f2b_csocket_create (const char *path) {
   UNUSED(path);
   f2b_log_msg(log_warn, "control socket support was disabled at compile-time");
-  return -1;
+  return NULL;
 }
-void f2b_csocket_destroy(int csock, const char *path) {
-  UNUSED(csock); UNUSED(path); return;
+void
+f2b_csocket_destroy(f2b_csock_t *csock) {
+  UNUSED(csock); return;
 }
-int f2b_csocket_poll(int csock, void (*cb)(const f2b_cmsg_t *msg, char *res, size_t ressize)) {
+int f2b_csocket_poll(f2b_csock_t *csock, void (*cb)(const f2b_cmd_t *cmd, f2b_buf_t *res)) {
   UNUSED(csock); UNUSED(cb); return 0;
 }
 void
-f2b_cmsg_process(const f2b_cmsg_t *msg, char *res, size_t ressize) {
-  UNUSED(msg); UNUSED(res); UNUSED(ressize); return;
+f2b_csocket_cmd_process(const f2b_cmd_t *cmd, f2b_buf_t *res) {
+  UNUSED(cmd); UNUSED(res); return;
 }
 #else /* WITH_CSOCKET */
 void
-f2b_cmsg_process(const f2b_cmsg_t *msg, char *res, size_t ressize) {
-  const char *args[DATA_ARGS_MAX];
+f2b_csocket_cmd_process(const f2b_cmd_t *cmd, f2b_buf_t *res) {
   f2b_jail_t *jail = NULL;
-  char line[LINE_MAX];
+  char buf[4096] = "";
+  size_t len;
 
-  assert(msg != NULL);
+  assert(cmd != NULL);
   assert(res != NULL);
-  assert(msg->type < CMD_MAX_NUMBER);
 
-  if (msg->type == CMD_NONE)
+  if (cmd->type == CMD_UNKNOWN)
     return;
 
-  memset(args, 0x0, sizeof(args));
-  int argc = f2b_cmsg_extract_args(msg, args);
-
-  if (f2b_cmd_check_argc(msg->type, argc) == false) {
-    strlcpy(res, "cmd args number mismatch", ressize);
-    return;
-  }
-
-  if (msg->type >= CMD_JAIL_STATUS && msg->type <= CMD_MAX_NUMBER) {
-    if ((jail = f2b_jail_find(jails, args[0])) == NULL) {
-      snprintf(res, ressize, "can't find jail '%s'", args[0]);
+  if (cmd->type >= CMD_JAIL_STATUS && cmd->type <= CMD_JAIL_FILTER_RELOAD) {
+    if ((jail = f2b_jail_find(jails, cmd->args[1])) == NULL) {
+      len = snprintf(buf, sizeof(buf), "can't find jail '%s'\n", cmd->args[1]);
+      f2b_buf_append(res, buf, len);
       return;
     }
   }
 
-  strlcpy(res, "ok", ressize); /* default reply */
-  if (msg->type == CMD_PING) {
-    /* nothing to do */
-  } else if (msg->type == CMD_RELOAD) {
+  if (cmd->type == CMD_RELOAD) {
     state = reconfig;
-  } else if (msg->type == CMD_LOG_ROTATE) {
+  } else if (cmd->type == CMD_LOG_ROTATE) {
     state = logrotate;
-  } else if (msg->type == CMD_LOG_LEVEL) {
-    f2b_log_set_level(args[0]);
-  } else if (msg->type == CMD_SHUTDOWN) {
+  } else if (cmd->type == CMD_LOG_LEVEL) {
+    f2b_log_set_level(cmd->args[2]);
+  } else if (cmd->type == CMD_SHUTDOWN) {
     state = stop;
-  } else if (msg->type == CMD_STATUS) {
-    snprintf(line, sizeof(line), "pid: %u\npidfile: %s\ncsocket: %s\nstatedir: %s\njails:\n",
-      getpid(), appconfig.pidfile_path, appconfig.csocket_path, appconfig.statedir_path);
-    strlcpy(res, line, ressize);
+  } else if (cmd->type == CMD_STATUS) {
+    len = snprintf(buf, sizeof(buf), "pid: %u\npidfile: %s\n", getpid(), appconfig.pidfile_path);
+    f2b_buf_append(res, buf, len);
+    len = snprintf(buf, sizeof(buf), "csocket: %s\n",  appconfig.csocket_path);
+    f2b_buf_append(res, buf, len);
+    len = snprintf(buf, sizeof(buf), "statedir: %s\n", appconfig.statedir_path);
+    f2b_buf_append(res, buf, len);
+    f2b_buf_append(res, "jails:\n", 0);
     for (jail = jails; jail != NULL; jail = jail->next) {
-      snprintf(line, sizeof(line), "- %s\n", jail->name);
-      strlcat(res, line, ressize);
-    }
-  } else if (msg->type == CMD_JAIL_STATUS) {
-    f2b_jail_cmd_status(res, ressize, jail);
-  } else if (msg->type == CMD_JAIL_SET) {
-    f2b_jail_cmd_set(res, ressize, jail, args[1], args[2]);
-  } else if (msg->type == CMD_JAIL_IP_STATUS) {
-    f2b_jail_cmd_ip_xxx(res, ressize, jail,  0, args[1]);
-  } else if (msg->type == CMD_JAIL_IP_BAN) {
-    f2b_jail_cmd_ip_xxx(res, ressize, jail,  1, args[1]);
-  } else if (msg->type == CMD_JAIL_IP_RELEASE) {
-    f2b_jail_cmd_ip_xxx(res, ressize, jail, -1, args[1]);
-  } else if (msg->type == CMD_JAIL_FILTER_STATS) {
-    f2b_filter_cmd_stats(res, ressize, jail->filter);
-  } else if (msg->type == CMD_JAIL_FILTER_RELOAD) {
-    f2b_filter_cmd_reload(res, ressize, jail->filter);
+      len = snprintf(buf, sizeof(buf), "- %s\n", jail->name);
+      f2b_buf_append(res, buf, len);
+    }
+  } else if (cmd->type == CMD_JAIL_STATUS) {
+    f2b_jail_cmd_status(buf, sizeof(buf), jail);
+    f2b_buf_append(res, buf, 0);
+  } else if (cmd->type == CMD_JAIL_SET) {
+    f2b_jail_cmd_set(buf, sizeof(buf), jail, cmd->args[3], cmd->args[4]);
+    f2b_buf_append(res, buf, 0);
+  } else if (cmd->type == CMD_JAIL_IP_STATUS) {
+    f2b_jail_cmd_ip_xxx(buf, sizeof(buf), jail,  0, cmd->args[4]);
+    f2b_buf_append(res, buf, 0);
+  } else if (cmd->type == CMD_JAIL_IP_BAN) {
+    f2b_jail_cmd_ip_xxx(buf, sizeof(buf), jail,  1, cmd->args[4]);
+    f2b_buf_append(res, buf, 0);
+  } else if (cmd->type == CMD_JAIL_IP_RELEASE) {
+    f2b_jail_cmd_ip_xxx(buf, sizeof(buf), jail, -1, cmd->args[4]);
+    f2b_buf_append(res, buf, 0);
+  } else if (cmd->type == CMD_JAIL_FILTER_STATS) {
+    f2b_filter_cmd_stats(buf, sizeof(buf), jail->filter);
+    f2b_buf_append(res, buf, 0);
+  } else if (cmd->type == CMD_JAIL_FILTER_RELOAD) {
+    f2b_filter_cmd_reload(buf, sizeof(buf), jail->filter);
+    f2b_buf_append(res, buf, 0);
   } else {
-    strlcpy(res, "error: unsupported command type", ressize);
+    f2b_buf_append(res, "error: unknown command\n", 0);
   }
 
+  if (res->used == 0)
+    f2b_buf_append(res, "ok\n", 3); /* default reply if not set above */
+
   return;
 }
 #endif /* WITH_CSOCKET */
@@ -288,8 +295,9 @@ int main(int argc, char *argv[]) {
     }
   }
 
-  if (appconfig.csocket_path[0] != '\0')
-    appconfig.csock = f2b_csocket_create(appconfig.csocket_path);
+  if (appconfig.csocket_path[0] != '\0') {
+    csock = f2b_csocket_create(appconfig.csocket_path);
+  }
 
   if (config.defaults)
     f2b_jail_set_defaults(config.defaults);
@@ -306,7 +314,7 @@ int main(int argc, char *argv[]) {
     for (f2b_jail_t *jail = jails; jail != NULL; jail = jail->next) {
       f2b_jail_process(jail);
     }
-    f2b_csocket_poll(appconfig.csock, f2b_cmsg_process);
+    f2b_csocket_poll(csock, f2b_csocket_cmd_process);
     sleep(1);
     if (state == logrotate && strcmp(appconfig.logdest, "file") == 0) {
       state = run;
@@ -328,7 +336,7 @@ int main(int argc, char *argv[]) {
     }
   }
 
-  f2b_csocket_destroy(appconfig.csock, appconfig.csocket_path);
+  f2b_csocket_destroy(csock);
 
   jails_stop(jails);
   jails = NULL;