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Bug 628904 – Add credential support for FreeBSD and fix a socket issue

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Signed-off-by: David Zeuthen <davidz@redhat.com>
This commit is contained in:
Joe Marcus Clarke 2010-09-09 14:10:01 -04:00 committed by David Zeuthen
parent ee945d8f62
commit 964eb62343
4 changed files with 109 additions and 3 deletions
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53
gio/gcredentials.c
View File

@ -22,6 +22,11 @@
#include "config.h"
#ifdef __FreeBSD__
#include <sys/types.h>
#include <sys/socket.h>
#include <string.h>
#endif
#include <stdlib.h>
#include <gobject/gvaluecollector.h>
@ -55,6 +60,9 @@
* <citerefentry><refentrytitle>unix</refentrytitle><manvolnum>7</manvolnum></citerefentry>
* man page for details. This corresponds to
* %G_CREDENTIALS_TYPE_LINUX_UCRED.
*
* On FreeBSD, the native credential type is a <type>struct cmsgcred</type>.
* This corresponds to %G_CREDENTIALS_TYPE_FREEBSD_CMSGCRED.
*/
/**
@ -72,6 +80,8 @@ struct _GCredentials
#ifdef __linux__
struct ucred native;
#elif defined(__FreeBSD__)
struct cmsgcred native;
#else
#ifdef __GNUC__
#warning Please add GCredentials support for your OS
@ -120,6 +130,11 @@ g_credentials_init (GCredentials *credentials)
credentials->native.pid = getpid ();
credentials->native.uid = geteuid ();
credentials->native.gid = getegid ();
#elif defined(__FreeBSD__)
memset (&credentials->native, 0, sizeof (struct cmsgcred));
credentials->native.cmcred_pid = getpid ();
credentials->native.cmcred_euid = geteuid ();
credentials->native.cmcred_gid = getegid ();
#endif
}
@ -173,6 +188,14 @@ g_credentials_to_string (GCredentials *credentials)
g_string_append_printf (ret, "gid=%" G_GINT64_FORMAT ",", (gint64) credentials->native.gid);
if (ret->str[ret->len - 1] == ',')
ret->str[ret->len - 1] = '\0';
#elif defined(__FreeBSD__)
g_string_append (ret, "freebsd-cmsgcred:");
if (credentials->native.cmcred_pid != -1)
g_string_append_printf (ret, "pid=%" G_GINT64_FORMAT ",", (gint64) credentials->native.cmcred_pid);
if (credentials->native.cmcred_euid != -1)
g_string_append_printf (ret, "uid=%" G_GINT64_FORMAT ",", (gint64) credentials->native.cmcred_euid);
if (credentials->native.cmcred_gid != -1)
g_string_append_printf (ret, "gid=%" G_GINT64_FORMAT ",", (gint64) credentials->native.cmcred_gid);
#else
g_string_append (ret, "unknown");
#endif
@ -213,6 +236,9 @@ g_credentials_is_same_user (GCredentials *credentials,
#ifdef __linux__
if (credentials->native.uid == other_credentials->native.uid)
ret = TRUE;
#elif defined(__FreeBSD__)
if (credentials->native.cmcred_euid == other_credentials->native.cmcred_euid)
ret = TRUE;
#else
g_set_error_literal (error,
G_IO_ERROR,
@ -263,6 +289,17 @@ g_credentials_get_native (GCredentials *credentials,
{
ret = &credentials->native;
}
#elif defined(__FreeBSD__)
if (native_type != G_CREDENTIALS_TYPE_FREEBSD_CMSGCRED)
{
g_warning ("g_credentials_get_native: Trying to get credentials of type %d but only "
"G_CREDENTIALS_TYPE_FREEBSD_CMSGCRED is supported.",
native_type);
}
else
{
ret = &credentials->native;
}
#else
g_warning ("g_credentials_get_native: Trying to get credentials but GLib has no support "
"for the native credentials type. Please add support.");
@ -302,6 +339,17 @@ g_credentials_set_native (GCredentials *credentials,
{
memcpy (&credentials->native, native, sizeof (struct ucred));
}
#elif defined(__FreeBSD__)
if (native_type != G_CREDENTIALS_TYPE_FREEBSD_CMSGCRED)
{
g_warning ("g_credentials_set_native: Trying to set credentials of type %d "
"but only G_CREDENTIALS_TYPE_FREEBSD_CMSGCRED is supported.",
native_type);
}
else
{
memcpy (&credentials->native, native, sizeof (struct cmsgcred));
}
#else
g_warning ("g_credentials_set_native: Trying to set credentials but GLib has no support "
"for the native credentials type. Please add support.");
@ -338,6 +386,8 @@ g_credentials_get_unix_user (GCredentials *credentials,
#ifdef __linux__
ret = credentials->native.uid;
#elif defined(__FreeBSD__)
ret = credentials->native.cmcred_euid;
#else
ret = -1;
g_set_error_literal (error,
@ -381,6 +431,9 @@ g_credentials_set_unix_user (GCredentials *credentials,
#ifdef __linux__
credentials->native.uid = uid;
ret = TRUE;
#elif defined(__FreeBSD__)
credentials->native.cmcred_euid = uid;
ret = TRUE;
#else
g_set_error_literal (error,
G_IO_ERROR,

4
gio/gioenums.h
View File

@ -1188,6 +1188,7 @@ typedef enum
* GCredentialsType:
* @G_CREDENTIALS_TYPE_INVALID: Indicates an invalid native credential type.
* @G_CREDENTIALS_TYPE_LINUX_UCRED: The native credentials type is a <type>struct ucred</type>.
* @G_CREDENTIALS_TYPE_FREEBSD_CMSGCRED: The native credentials type is a <type>struct cmsgcred</type>.
*
* Enumeration describing different kinds of native credential types.
*
@ -1196,7 +1197,8 @@ typedef enum
typedef enum
{
G_CREDENTIALS_TYPE_INVALID,
G_CREDENTIALS_TYPE_LINUX_UCRED
G_CREDENTIALS_TYPE_LINUX_UCRED,
G_CREDENTIALS_TYPE_FREEBSD_CMSGCRED
} GCredentialsType;
/**

9
gio/gsocket.c
View File

@ -2928,8 +2928,13 @@ g_socket_send_message (GSocket *socket,
for (i = 0; i < num_messages; i++)
msg.msg_controllen += CMSG_SPACE (g_socket_control_message_get_size (messages[i]));
msg.msg_control = g_alloca (msg.msg_controllen);
memset (msg.msg_control, '\0', msg.msg_controllen);
if (msg.msg_controllen == 0)
msg.msg_control = NULL;
else
{
msg.msg_control = g_alloca (msg.msg_controllen);
memset (msg.msg_control, '\0', msg.msg_controllen);
}
cmsg = CMSG_FIRSTHDR (&msg);
for (i = 0; i < num_messages; i++)

46
gio/gunixcredentialsmessage.c
View File

@ -46,6 +46,13 @@
#include <fcntl.h>
#define G_UNIX_CREDENTIALS_MESSAGE_SUPPORTED 1
#elif defined(__FreeBSD__)
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <unistd.h>
#include <fcntl.h>
#define G_UNIX_CREDENTIALS_MESSAGE_SUPPORTED 1
#else
/* TODO: please add support for your UNIX flavor */
#define G_UNIX_CREDENTIALS_MESSAGE_SUPPORTED 0
@ -79,6 +86,8 @@ g_unix_credentials_message_get_size (GSocketControlMessage *message)
{
#ifdef __linux__
return sizeof (struct ucred);
#elif defined(__FreeBSD__)
return sizeof (struct cmsgcred);
#else
return 0;
#endif
@ -89,6 +98,8 @@ g_unix_credentials_message_get_level (GSocketControlMessage *message)
{
#ifdef __linux__
return SOL_SOCKET;
#elif defined(__FreeBSD__)
return SOL_SOCKET;
#else
return 0;
#endif
@ -99,6 +110,8 @@ g_unix_credentials_message_get_msg_type (GSocketControlMessage *message)
{
#ifdef __linux__
return SCM_CREDENTIALS;
#elif defined(__FreeBSD__)
return SCM_CREDS;
#else
return 0;
#endif
@ -140,6 +153,33 @@ g_unix_credentials_message_deserialize (gint level,
out:
;
}
#elif defined(__FreeBSD__)
{
GCredentials *credentials;
struct cmsgcred *cred;
if (level != SOL_SOCKET || type != SCM_CREDS)
{
goto out;
}
if (size < CMSG_LEN (sizeof *cred))
{
g_warning ("Expected a struct cmsgcred (%" G_GSIZE_FORMAT " bytes) but "
"got %" G_GSIZE_FORMAT " bytes of data",
CMSG_LEN (sizeof *cred),
size);
goto out;
}
cred = data;
credentials = g_credentials_new ();
g_credentials_set_native (credentials, G_CREDENTIALS_TYPE_FREEBSD_CMSGCRED, cred);
message = g_unix_credentials_message_new_with_credentials (credentials);
g_object_unref (credentials);
out:
;
}
#endif
return message;
@ -155,6 +195,12 @@ g_unix_credentials_message_serialize (GSocketControlMessage *_message,
g_credentials_get_native (message->priv->credentials,
G_CREDENTIALS_TYPE_LINUX_UCRED),
sizeof (struct ucred));
#elif defined(__FreeBSD__)
memcpy (data,
g_credentials_get_native (message->priv->credentials,
G_CREDENTIALS_TYPE_FREEBSD_CMSGCRED),
sizeof (struct cmsgcred));
#endif
}