server: Lookup user only once.

[paraslash.git] / net.c

diff --git a/net.c b/net.c
index d32cc7eeb611279d936ef8cfd98dda644f06d799..4a31f013446877e45c780e7eb24a27a0a1042c3a 100644 (file)
--- a/net.c
+++ b/net.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2005-2012 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2005-2013 Andre Noll <maan@systemlinux.org>
  *
  * Licensed under the GPL v2. For licencing details see COPYING.
  */
@@ -264,6 +264,12 @@ struct flowopts {
        struct list_head sockopts;
 };
 
+/**
+ * Allocate and initialize a flowopt queue.
+ *
+ * \return A new structure to be passed to \ref flowopt_add(). It is
+ * automatically deallocated in \ref makesock().
+ */
 struct flowopts *flowopt_new(void)
 {
        struct flowopts *new = para_malloc(sizeof(*new));
@@ -305,14 +311,6 @@ void flowopt_add(struct flowopts *fo, int lev, int opt,
        list_add_tail(&new->node, &fo->sockopts);
 }
 
-void flowopt_add_bool(struct flowopts *fo, int lev, int opt,
-               const char *optname, bool on_or_off)
-{
-       int on = on_or_off;     /* kernel takes 'int' */
-
-       flowopt_add(fo, lev, opt, optname, &on, sizeof(on));
-}
-
 /** Set the entire bunch of pre-connection options at once. */
 static void flowopt_setopts(int sockfd, struct flowopts *fo)
 {
@@ -674,72 +672,19 @@ char *remote_name(int sockfd)
 
 /**
  * Extract IPv4 or IPv6-mapped-IPv4 address from sockaddr_storage.
- * \param ss Container of IPv4/6 address
- * \return Extracted IPv4 address (different from 0) or 0 if unsuccessful.
  *
- * \sa RFC 3493
+ * \param ss Container of IPv4/6 address.
+ * \param ia Extracted IPv4 address (different from 0) or 0 if unsuccessful.
+ *
+ * \sa RFC 3493.
  */
-struct in_addr extract_v4_addr(const struct sockaddr_storage *ss)
+void extract_v4_addr(const struct sockaddr_storage *ss, struct in_addr *ia)
 {
-       struct in_addr ia = {.s_addr = 0};
        const struct sockaddr *sa = normalize_ip_address(ss);
 
+       memset(ia, 0, sizeof(*ia));
        if (sa->sa_family == AF_INET)
-               ia = ((struct sockaddr_in *)sa)->sin_addr;
-       return ia;
-}
-
-/**
- * Send a binary buffer.
- *
- * \param fd The file descriptor.
- * \param buf The buffer to be sent.
- * \param len The length of \a buf.
- *
- * Send out the buffer and try to resend the remaining part in case of short
- * writes.
- *
- * \return Standard.
- */
-int send_bin_buffer(int fd, const char *buf, size_t len)
-{
-       if (!len)
-               PARA_CRIT_LOG("len == 0\n");
-       return write_all(fd, buf, len);
-}
-
-/**
- * Send a \p NULL-terminated buffer.
- *
- * \param fd The file descriptor.
- * \param buf The null-terminated buffer to be send.
- *
- * This is equivalent to send_bin_buffer(fd, buf, strlen(buf)).
- *
- * \return Standard.
- */
-int send_buffer(int fd, const char *buf)
-{
-       return send_bin_buffer(fd, buf, strlen(buf));
-}
-
-/**
- * Send a buffer given by a format string.
- *
- * \param fd The file descriptor.
- * \param fmt A format string.
- *
- * \return Standard.
- */
-__printf_2_3 int send_va_buffer(int fd, const char *fmt, ...)
-{
-       char *msg;
-       int ret;
-
-       PARA_VSPRINTF(fmt, msg);
-       ret = send_buffer(fd, msg);
-       free(msg);
-       return ret;
+               *ia = ((struct sockaddr_in *)sa)->sin_addr;
 }
 
 /**
@@ -962,7 +907,7 @@ err:
 #ifndef HAVE_UCRED
 ssize_t send_cred_buffer(int sock, char *buf)
 {
-       return send_buffer(sock, buf);
+       return write_buffer(sock, buf);
 }
 int recv_cred_buffer(int fd, char *buf, size_t size)
 {