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gio: add G_CREDENTIALS_TYPE_WIN32_PID

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Credentials are often used to check peer processes details.

With AF_UNIX sockets on Windows, SIO_AF_UNIX_GETPEERPID can
be used to retrive the peer PID.

We will probably introduce more advanced mechanisms later on, though,
but I am not a Windows API expert.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
This commit is contained in:
Marc-André Lureau
2022-01-19 20:35:45 +04:00
parent 568f00d65f
commit 95c3e28af5
5 changed files with 67 additions and 0 deletions
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11
gio/gcredentials.c
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@@ -72,6 +72,9 @@
* On Solaris (including OpenSolaris and its derivatives), the native
* credential type is a `ucred_t`. This corresponds to
* %G_CREDENTIALS_TYPE_SOLARIS_UCRED.
*
* Since GLib 2.72, on Windows, the native credentials may contain the PID of a
* process. This corresponds to %G_CREDENTIALS_TYPE_WIN32_PID.
*/
/**
@@ -100,6 +103,8 @@ struct _GCredentials
struct sockpeercred native;
#elif G_CREDENTIALS_USE_SOLARIS_UCRED
ucred_t *native;
#elif G_CREDENTIALS_USE_WIN32_PID
DWORD native;
#else
#ifdef __GNUC__
#pragma GCC diagnostic push
@@ -188,6 +193,8 @@ g_credentials_init (GCredentials *credentials)
credentials->native.gid = getegid ();
#elif G_CREDENTIALS_USE_SOLARIS_UCRED
credentials->native = ucred_get (P_MYID);
#elif G_CREDENTIALS_USE_WIN32_PID
credentials->native = GetCurrentProcessId ();
#endif
}
@@ -293,6 +300,8 @@ g_credentials_to_string (GCredentials *credentials)
if (ret->str[ret->len - 1] == ',')
ret->str[ret->len - 1] = '\0';
}
#elif G_CREDENTIALS_USE_WIN32_PID
g_string_append_printf (ret, "win32-pid:pid=%lu", credentials->native);
#else
g_string_append (ret, "unknown");
#endif
@@ -600,6 +609,8 @@ g_credentials_get_unix_pid (GCredentials *credentials,
ret = credentials->native.pid;
#elif G_CREDENTIALS_USE_SOLARIS_UCRED
ret = ucred_getpid (credentials->native);
#elif G_CREDENTIALS_USE_WIN32_PID
ret = credentials->native;
#else
#if G_CREDENTIALS_USE_APPLE_XUCRED