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gcredentials: add Solaris support

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Based on patches from Igor Pashev.

https://bugzilla.gnome.org/show_bug.cgi?id=705029
This commit is contained in:
Dan Winship 2013-09-19 16:09:38 -04:00
parent 66edac7fb9
commit 5a269e5a90
6 changed files with 112 additions and 12 deletions
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52
gio/gcredentials.c
View File

@ -65,6 +65,10 @@
*
* On OpenBSD, the native credential type is a <type>struct sockpeercred</type>.
* This corresponds to %G_CREDENTIALS_TYPE_OPENBSD_SOCKPEERCRED.
*
* On Solaris (including OpenSolaris and its derivatives), the native
* credential type is a <type>ucred_t</type>. This corresponds to
* %G_CREDENTIALS_TYPE_SOLARIS_UCRED.
*/
/**
@ -86,6 +90,8 @@ struct _GCredentials
struct cmsgcred native;
#elif G_CREDENTIALS_USE_OPENBSD_SOCKPEERCRED
struct sockpeercred native;
#elif G_CREDENTIALS_USE_SOLARIS_UCRED
ucred_t *native;
#else
#ifdef __GNUC__
#warning Please add GCredentials support for your OS
@ -111,7 +117,11 @@ G_DEFINE_TYPE (GCredentials, g_credentials, G_TYPE_OBJECT);
static void
g_credentials_finalize (GObject *object)
{
G_GNUC_UNUSED GCredentials *credentials = G_CREDENTIALS (object);
#if G_CREDENTIALS_USE_SOLARIS_UCRED
GCredentials *credentials = G_CREDENTIALS (object);
ucred_free (credentials->native);
#endif
if (G_OBJECT_CLASS (g_credentials_parent_class)->finalize != NULL)
G_OBJECT_CLASS (g_credentials_parent_class)->finalize (object);
@ -143,6 +153,8 @@ g_credentials_init (GCredentials *credentials)
credentials->native.pid = getpid ();
credentials->native.uid = geteuid ();
credentials->native.gid = getegid ();
#elif G_CREDENTIALS_USE_SOLARIS_UCRED
credentials->native = ucred_get (P_MYID);
#endif
}
@ -214,6 +226,19 @@ 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 G_CREDENTIALS_USE_SOLARIS_UCRED
g_string_append (ret, "solaris-ucred:");
{
id_t id;
if ((id = ucred_getpid (credentials->native)) != -1)
g_string_append_printf (ret, "pid=%" G_GINT64_FORMAT ",", (gint64) id);
if ((id = ucred_geteuid (credentials->native)) != -1)
g_string_append_printf (ret, "uid=%" G_GINT64_FORMAT ",", (gint64) id);
if ((id = ucred_getegid (credentials->native)) != -1)
g_string_append_printf (ret, "gid=%" G_GINT64_FORMAT ",", (gint64) id);
if (ret->str[ret->len - 1] == ',')
ret->str[ret->len - 1] = '\0';
}
#else
g_string_append (ret, "unknown");
#endif
@ -260,6 +285,9 @@ g_credentials_is_same_user (GCredentials *credentials,
#elif G_CREDENTIALS_USE_OPENBSD_SOCKPEERCRED
if (credentials->native.uid == other_credentials->native.uid)
ret = TRUE;
#elif G_CREDENTIALS_USE_SOLARIS_UCRED
if (ucred_geteuid (credentials->native) == ucred_geteuid (other_credentials->native))
ret = TRUE;
#else
g_set_error_literal (error,
G_IO_ERROR,
@ -334,7 +362,9 @@ g_credentials_get_native (GCredentials *credentials,
if (!credentials_native_type_check (native_type, "get"))
return NULL;
#if G_CREDENTIALS_SUPPORTED
#if G_CREDENTIALS_USE_SOLARIS_UCRED
return credentials->native;
#elif G_CREDENTIALS_SUPPORTED
return &credentials->native;
#else
g_assert_not_reached ();
@ -364,7 +394,9 @@ g_credentials_set_native (GCredentials *credentials,
if (!credentials_native_type_check (native_type, "set"))
return;
#if G_CREDENTIALS_SUPPORTED
#if G_CREDENTIALS_USE_SOLARIS_UCRED
memcpy (credentials->native, native, ucred_size ());
#elif G_CREDENTIALS_SUPPORTED
memcpy (&credentials->native, native, sizeof (credentials->native));
#else
g_assert_not_reached ();
@ -405,6 +437,8 @@ g_credentials_get_unix_user (GCredentials *credentials,
ret = credentials->native.cmcred_euid;
#elif G_CREDENTIALS_USE_OPENBSD_SOCKPEERCRED
ret = credentials->native.uid;
#elif G_CREDENTIALS_USE_SOLARIS_UCRED
ret = ucred_geteuid (credentials->native);
#else
ret = -1;
g_set_error_literal (error,
@ -447,6 +481,8 @@ g_credentials_get_unix_pid (GCredentials *credentials,
ret = credentials->native.cmcred_pid;
#elif G_CREDENTIALS_USE_OPENBSD_SOCKPEERCRED
ret = credentials->native.pid;
#elif G_CREDENTIALS_USE_SOLARIS_UCRED
ret = ucred_getpid (credentials->native);
#else
ret = -1;
g_set_error_literal (error,
@ -469,7 +505,8 @@ g_credentials_get_unix_pid (GCredentials *credentials,
*
* This operation can fail if #GCredentials is not supported on the
* OS or if the native credentials type does not contain information
* about the UNIX user.
* about the UNIX user. It can also fail if the OS does not allow the
* use of "spoofed" credentials.
*
* Returns: %TRUE if @uid was set, %FALSE if error is set.
*
@ -496,11 +533,18 @@ g_credentials_set_unix_user (GCredentials *credentials,
#elif G_CREDENTIALS_USE_OPENBSD_SOCKPEERCRED
credentials->native.uid = uid;
ret = TRUE;
#elif !G_CREDENTIALS_SPOOFING_SUPPORTED
g_set_error_literal (error,
G_IO_ERROR,
G_IO_ERROR_PERMISSION_DENIED,
_("Credentials spoofing is not possible on this OS"));
ret = FALSE;
#else
g_set_error_literal (error,
G_IO_ERROR,
G_IO_ERROR_NOT_SUPPORTED,
_("GCredentials is not implemented on this OS"));
ret = FALSE;
#endif
return ret;

12
gio/gcredentialsprivate.h
View File

@ -31,6 +31,7 @@
#define G_CREDENTIALS_NATIVE_SIZE (sizeof (struct ucred))
#define G_CREDENTIALS_UNIX_CREDENTIALS_MESSAGE_SUPPORTED 1
#define G_CREDENTIALS_SOCKET_GET_CREDENTIALS_SUPPORTED 1
#define G_CREDENTIALS_SPOOFING_SUPPORTED 1
#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__GNU__)
#define G_CREDENTIALS_SUPPORTED 1
@ -38,6 +39,7 @@
#define G_CREDENTIALS_NATIVE_TYPE G_CREDENTIALS_TYPE_FREEBSD_CMSGCRED
#define G_CREDENTIALS_NATIVE_SIZE (sizeof (struct cmsgcred))
#define G_CREDENTIALS_UNIX_CREDENTIALS_MESSAGE_SUPPORTED 1
#define G_CREDENTIALS_SPOOFING_SUPPORTED 1
#elif defined(__OpenBSD__)
#define G_CREDENTIALS_SUPPORTED 1
@ -45,6 +47,16 @@
#define G_CREDENTIALS_NATIVE_TYPE G_CREDENTIALS_TYPE_OPENBSD_SOCKPEERCRED
#define G_CREDENTIALS_NATIVE_SIZE (sizeof (struct sockpeercred))
#define G_CREDENTIALS_SOCKET_GET_CREDENTIALS_SUPPORTED 1
#define G_CREDENTIALS_SPOOFING_SUPPORTED 1
#elif defined(__sun__) || defined(__illumos__) || defined (__OpenSolaris_kernel__)
#include <ucred.h>
#define G_CREDENTIALS_SUPPORTED 1
#define G_CREDENTIALS_USE_SOLARIS_UCRED 1
#define G_CREDENTIALS_NATIVE_TYPE G_CREDENTIALS_TYPE_SOLARIS_UCRED
#define G_CREDENTIALS_NATIVE_SIZE (ucred_size ())
#define G_CREDENTIALS_UNIX_CREDENTIALS_MESSAGE_SUPPORTED 1
#define G_CREDENTIALS_SOCKET_GET_CREDENTIALS_SUPPORTED 1
#endif

4
gio/gioenums.h
View File

@ -1342,6 +1342,7 @@ typedef enum
* @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>.
* @G_CREDENTIALS_TYPE_OPENBSD_SOCKPEERCRED: The native credentials type is a <type>struct sockpeercred</type>. Added in 2.30.
* @G_CREDENTIALS_TYPE_SOLARIS_UCRED: The native credentials type is a <type>ucred_t</type>. Added in 2.40.
*
* Enumeration describing different kinds of native credential types.
*
@ -1352,7 +1353,8 @@ typedef enum
G_CREDENTIALS_TYPE_INVALID,
G_CREDENTIALS_TYPE_LINUX_UCRED,
G_CREDENTIALS_TYPE_FREEBSD_CMSGCRED,
G_CREDENTIALS_TYPE_OPENBSD_SOCKPEERCRED
G_CREDENTIALS_TYPE_OPENBSD_SOCKPEERCRED,
G_CREDENTIALS_TYPE_SOLARIS_UCRED
} GCredentialsType;
/**

26
gio/gsocket.c
View File

@ -4449,6 +4449,8 @@ g_socket_get_credentials (GSocket *socket,
ret = NULL;
#if G_CREDENTIALS_SOCKET_GET_CREDENTIALS_SUPPORTED
#ifdef SO_PEERCRED
{
guint8 native_creds_buf[G_CREDENTIALS_NATIVE_SIZE];
socklen_t optlen = sizeof (native_creds_buf);
@ -4464,17 +4466,37 @@ g_socket_get_credentials (GSocket *socket,
G_CREDENTIALS_NATIVE_TYPE,
native_creds_buf);
}
else
}
#elif G_CREDENTIALS_USE_SOLARIS_UCRED
{
ucred_t *ucred = NULL;
if (getpeerucred (socket->priv->fd, &ucred) == 0)
{
ret = g_credentials_new ();
g_credentials_set_native (ret,
G_CREDENTIALS_TYPE_SOLARIS_UCRED,
ucred);
ucred_free (ucred);
}
}
#else
#error "G_CREDENTIALS_SOCKET_GET_CREDENTIALS_SUPPORTED is set but this is no code for this platform"
#endif
if (!ret)
{
int errsv = get_socket_errno ();
g_set_error (error,
G_IO_ERROR,
socket_io_error_from_errno (errsv),
_("Unable to read socket credentials: %s"),
socket_strerror (errsv));
}
}
#else
g_set_error_literal (error,
G_IO_ERROR,
G_IO_ERROR_NOT_SUPPORTED,

2
gio/gunixcredentialsmessage.c
View File

@ -89,6 +89,8 @@ g_unix_credentials_message_get_msg_type (GSocketControlMessage *message)
return SCM_CREDENTIALS;
#elif G_CREDENTIALS_USE_FREEBSD_CMSGCRED
return SCM_CREDS;
#elif G_CREDENTIALS_USE_SOLARIS_UCRED
return SCM_UCRED;
#elif G_CREDENTIALS_UNIX_CREDENTIALS_MESSAGE_SUPPORTED
#error "G_CREDENTIALS_UNIX_CREDENTIALS_MESSAGE_SUPPORTED is set but there is no msg_type defined for this platform"
#else

18
gio/tests/credentials.c
View File

@ -59,12 +59,22 @@ test_basic (void)
g_assert_no_error (error);
set = g_credentials_set_unix_user (other, not_me, &error);
#if G_CREDENTIALS_SPOOFING_SUPPORTED
g_assert_no_error (error);
g_assert (set);
g_assert_cmpuint (g_credentials_get_unix_user (other, &error), ==, not_me);
g_assert (!g_credentials_is_same_user (creds, other, &error));
g_assert_no_error (error);
#else
g_assert_error (error, G_IO_ERROR, G_IO_ERROR_PERMISSION_DENIED);
g_assert (!set);
g_clear_error (&error);
g_assert_cmpuint (g_credentials_get_unix_user (other, &error), ==, geteuid ());
g_assert (g_credentials_is_same_user (creds, other, &error));
g_assert_no_error (error);
#endif
stringified = g_credentials_to_string (creds);
g_test_message ("%s", stringified);
@ -98,6 +108,14 @@ test_basic (void)
g_assert_cmpuint (native->uid, ==, geteuid ());
g_assert_cmpuint (native->pid, ==, getpid ());
}
#elif G_CREDENTIALS_USE_SOLARIS_UCRED
{
ucred_t *native = g_credentials_get_native (creds,
G_CREDENTIALS_TYPE_SOLARIS_UCRED);
g_assert_cmpuint (ucred_geteuid (native), ==, geteuid ());
g_assert_cmpuint (ucred_getpid (native), ==, getpid ());
}
#else
#error "G_CREDENTIALS_SUPPORTED is set but there is no test for this platform"
#endif