/*
- * "$Id: http-addr.c 7910 2008-09-06 00:25:17Z mike $"
+ * "$Id$"
*
- * HTTP address routines for CUPS.
+ * HTTP address routines for CUPS.
*
- * Copyright 2007-2012 by Apple Inc.
- * Copyright 1997-2006 by Easy Software Products, all rights reserved.
+ * Copyright 2007-2013 by Apple Inc.
+ * Copyright 1997-2006 by Easy Software Products, all rights reserved.
*
- * These coded instructions, statements, and computer programs are the
- * property of Apple Inc. and are protected by Federal copyright
- * law. Distribution and use rights are outlined in the file "LICENSE.txt"
- * which should have been included with this file. If this file is
- * file is missing or damaged, see the license at "http://www.cups.org/".
- *
- * Contents:
- *
- * httpAddrAny() - Check for the "any" address.
- * httpAddrEqual() - Compare two addresses.
- * httpAddrLocalhost() - Check for the local loopback address.
- * httpAddrLookup() - Lookup the hostname associated with the address.
- * _httpAddrPort() - Get the port number associated with an address.
- * _httpAddrSetPort() - Set the port number associated with an address.
- * httpAddrString() - Convert an IP address to a dotted string.
- * httpGetHostByName() - Lookup a hostname or IP address, and return
- * address records for the specified name.
- * httpGetHostname() - Get the FQDN for the local system.
+ * These coded instructions, statements, and computer programs are the
+ * property of Apple Inc. and are protected by Federal copyright
+ * law. Distribution and use rights are outlined in the file "LICENSE.txt"
+ * which should have been included with this file. If this file is
+ * file is missing or damaged, see the license at "http://www.cups.org/".
*/
/*
*/
#include "cups-private.h"
+#include <sys/stat.h>
#ifdef HAVE_RESOLV_H
# include <resolv.h>
#endif /* HAVE_RESOLV_H */
}
+/*
+ * 'httpAddrClose()' - Close a socket created by @link httpAddrConnect@ or
+ * @link httpAddrListen@.
+ *
+ * Pass @code NULL@ for sockets created with @link httpAddrConnect@ and the
+ * listen address for sockets created with @link httpAddrListen@. This will
+ * ensure that domain sockets are removed when closed.
+ *
+ * @since CUPS 2.0@
+ */
+
+int /* O - 0 on success, -1 on failure */
+httpAddrClose(http_addr_t *addr, /* I - Listen address or @code NULL@ */
+ int fd) /* I - Socket file descriptor */
+{
+#ifdef WIN32
+ if (closesocket(fd))
+#else
+ if (close(fd))
+#endif /* WIN32 */
+ return (-1);
+
+#ifdef AF_LOCAL
+ if (addr && addr->addr.sa_family == AF_LOCAL)
+ return (unlink(addr->un.sun_path));
+#endif /* AF_LOCAL */
+
+ return (0);
+}
+
+
/*
* 'httpAddrEqual()' - Compare two addresses.
*
}
+/*
+ * 'httpAddrListen()' - Create a listening socket bound to the specified
+ * address and port.
+ *
+ * @since CUPS 1.7/OS X 10.9@
+ */
+
+int /* O - Socket or -1 on error */
+httpAddrListen(http_addr_t *addr, /* I - Address to bind to */
+ int port) /* I - Port number to bind to */
+{
+ int fd = -1, /* Socket */
+ val, /* Socket value */
+ status; /* Bind status */
+
+
+ /*
+ * Range check input...
+ */
+
+ if (!addr || port < 0)
+ return (-1);
+
+ /*
+ * Create the socket and set options...
+ */
+
+ if ((fd = socket(addr->addr.sa_family, SOCK_STREAM, 0)) < 0)
+ {
+ _cupsSetHTTPError(HTTP_STATUS_ERROR);
+ return (-1);
+ }
+
+ val = 1;
+ setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, CUPS_SOCAST &val, sizeof(val));
+
+#ifdef IPV6_V6ONLY
+ if (addr->addr.sa_family == AF_INET6)
+ setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, CUPS_SOCAST &val, sizeof(val));
+#endif /* IPV6_V6ONLY */
+
+ /*
+ * Bind the socket...
+ */
+
+#ifdef AF_LOCAL
+ if (addr->addr.sa_family == AF_LOCAL)
+ {
+ mode_t mask; /* Umask setting */
+
+ /*
+ * Remove any existing domain socket file...
+ */
+
+ unlink(addr->un.sun_path);
+
+ /*
+ * Save the current umask and set it to 0 so that all users can access
+ * the domain socket...
+ */
+
+ mask = umask(0);
+
+ /*
+ * Bind the domain socket...
+ */
+
+ status = bind(fd, (struct sockaddr *)addr, httpAddrLength(addr));
+
+ /*
+ * Restore the umask and fix permissions...
+ */
+
+ umask(mask);
+ chmod(addr->un.sun_path, 0140777);
+ }
+ else
+#endif /* AF_LOCAL */
+ {
+ _httpAddrSetPort(addr, port);
+
+ status = bind(fd, (struct sockaddr *)addr, httpAddrLength(addr));
+ }
+
+ if (status)
+ {
+ _cupsSetHTTPError(HTTP_STATUS_ERROR);
+
+ close(fd);
+
+ return (-1);
+ }
+
+ /*
+ * Listen...
+ */
+
+ if (listen(fd, 5))
+ {
+ _cupsSetHTTPError(HTTP_STATUS_ERROR);
+
+ close(fd);
+
+ return (-1);
+ }
+
+ /*
+ * Close on exec...
+ */
+
+#ifndef WIN32
+ fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC);
+#endif /* !WIN32 */
+
+#ifdef SO_NOSIGPIPE
+ /*
+ * Disable SIGPIPE for this socket.
+ */
+
+ val = 1;
+ setsockopt(fd, SOL_SOCKET, SO_NOSIGPIPE, CUPS_SOCAST &val, sizeof(val));
+#endif /* SO_NOSIGPIPE */
+
+ return (fd);
+}
+
+
/*
* 'httpAddrLocalhost()' - Check for the local loopback address.
*
/*
- * '_httpAddrPort()' - Get the port number associated with an address.
+ * 'httpAddrFamily()' - Get the address family of an address.
+ */
+
+int /* O - Address family */
+httpAddrFamily(http_addr_t *addr) /* I - Address */
+{
+ if (addr)
+ return (addr->addr.sa_family);
+ else
+ return (0);
+}
+
+
+/*
+ * 'httpAddrPort()' - Get the port number associated with an address.
+ *
+ * @since CUPS 1.7/OS X 10.9@
*/
int /* O - Port number */
-_httpAddrPort(http_addr_t *addr) /* I - Address */
+httpAddrPort(http_addr_t *addr) /* I - Address */
{
if (!addr)
- return (ippPort());
+ return (-1);
#ifdef AF_INET6
else if (addr->addr.sa_family == AF_INET6)
return (ntohs(addr->ipv6.sin6_port));
else if (addr->addr.sa_family == AF_INET)
return (ntohs(addr->ipv4.sin_port));
else
- return (ippPort());
+ return (0);
}
}
+/*
+ * 'httpGetAddress()' - Get the address of the connected peer of a connection.
+ *
+ * Returns @code NULL@ if the socket is currently unconnected.
+ *
+ * @since CUPS 2.0@
+ */
+
+http_addr_t * /* O - Connected address or @code NULL@ */
+httpGetAddress(http_t *http) /* I - HTTP connection */
+{
+ if (http)
+ return (http->hostaddr);
+ else
+ return (NULL);
+}
+
+
/*
* 'httpGetHostByName()' - Lookup a hostname or IPv4 address, and return
* address records for the specified name.
* 'httpGetHostname()' - Get the FQDN for the connection or local system.
*
* When "http" points to a connected socket, return the hostname or
- * address that was used in the call to httpConnect() or httpConnectEncrypt().
+ * address that was used in the call to httpConnect() or httpConnectEncrypt(),
+ * or the address of the client for the connection from httpAcceptConnection().
* Otherwise, return the FQDN for the local system using both gethostname()
* and gethostbyname() to get the local hostname with domain.
*
char *s, /* I - String buffer for name */
int slen) /* I - Size of buffer */
{
- if (!s || slen <= 1)
- return (NULL);
-
if (http)
{
- if (http->hostname[0] == '/')
+ if (!s || slen <= 1)
+ {
+ if (http->hostname[0] == '/')
+ return ("localhost");
+ else
+ return (http->hostname);
+ }
+ else if (http->hostname[0] == '/')
strlcpy(s, "localhost", slen);
else
strlcpy(s, http->hostname, slen);
* Get the hostname...
*/
+ if (!s || slen <= 1)
+ return (NULL);
+
if (gethostname(s, slen) < 0)
strlcpy(s, "localhost", slen);
/*
- * End of "$Id: http-addr.c 7910 2008-09-06 00:25:17Z mike $".
+ * 'httpResolveHostname()' - Resolve the hostname of the HTTP connection
+ * address.
+ *
+ * @since CUPS 2.0@
+ */
+
+const char * /* O - Resolved hostname or @code NULL@ */
+httpResolveHostname(http_t *http, /* I - HTTP connection */
+ char *buffer, /* I - Hostname buffer */
+ size_t bufsize) /* I - Size of buffer */
+{
+ if (!http)
+ return (NULL);
+
+ if (isdigit(http->hostname[0] & 255) || http->hostname[0] == '[')
+ {
+ char temp[1024]; /* Temporary string */
+
+ if (httpAddrLookup(http->hostaddr, temp, sizeof(temp)))
+ strlcpy(http->hostname, temp, sizeof(http->hostname));
+ else
+ return (NULL);
+ }
+
+ if (buffer)
+ {
+ if (http->hostname[0] == '/')
+ strlcpy(buffer, "localhost", bufsize);
+ else
+ strlcpy(buffer, http->hostname, bufsize);
+
+ return (buffer);
+ }
+ else if (http->hostname[0] == '/')
+ return ("localhost");
+ else
+ return (http->hostname);
+}
+
+
+/*
+ * End of "$Id$".
*/
projects / thirdparty / cups.git / blobdiff