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From: Ian Jackson <ian.jackson@eu.citrix.com>
To: xen-devel@lists.xensource.com
Cc: Ian Jackson <Ian.Jackson@eu.citrix.com>,
	Stefano Stabellini <sstabellini@kernel.org>,
	Wei Liu <wei.liu2@citrix.com>
Subject: [PATCH 19/22] libxl: libxl__dm_runas_helper: return pwd
Date: Fri, 15 Sep 2017 19:48:56 +0100	[thread overview]
Message-ID: <1505501339-11965-20-git-send-email-ian.jackson@eu.citrix.com> (raw)
In-Reply-To: <1505501339-11965-1-git-send-email-ian.jackson@eu.citrix.com>

Signed-off-by: Ian Jackson <Ian.Jackson@eu.citrix.com>
---
 tools/libxl/libxl_dm.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/tools/libxl/libxl_dm.c b/tools/libxl/libxl_dm.c
index 831c397..3c4ef2b 100644
--- a/tools/libxl/libxl_dm.c
+++ b/tools/libxl/libxl_dm.c
@@ -749,7 +749,8 @@ libxl__detect_gfx_passthru_kind(libxl__gc *gc,
 }
 
 /* return 1 if the user was found, 0 if it was not, -1 on error */
-static int libxl__dm_runas_helper(libxl__gc *gc, const char *username)
+static int libxl__dm_runas_helper(libxl__gc *gc, const char *username,
+                                       struct passwd **pwd_r)
 {
     struct passwd pwd, *user = NULL;
     char *buf = NULL;
@@ -773,8 +774,10 @@ static int libxl__dm_runas_helper(libxl__gc *gc, const char *username)
         }
         if (ret != 0)
             return ERROR_FAIL;
-        if (user != NULL)
+        if (user != NULL) {
+            if (pwd_r) *pwd_r = pwd;
             return 1;
+        }
         return 0;
     }
 }
@@ -1640,14 +1643,14 @@ static int libxl__build_device_model_args_new(libxl__gc *gc,
         }
 
         user = GCSPRINTF("%s%d", LIBXL_QEMU_USER_BASE, guest_domid);
-        ret = libxl__dm_runas_helper(gc, user);
+        ret = libxl__dm_runas_helper(gc, user, 0);
         if (ret < 0)
             return ret;
         if (ret > 0)
             goto end_search;
 
         user = LIBXL_QEMU_USER_SHARED;
-        ret = libxl__dm_runas_helper(gc, user);
+        ret = libxl__dm_runas_helper(gc, user, 0);
         if (ret < 0)
             return ret;
         if (ret > 0) {
-- 
2.1.4


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  parent reply	other threads:[~2017-09-15 18:48 UTC|newest]

Thread overview: 68+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-15 18:48 [PATCH 00/22] Provide some actual restriction of qemu Ian Jackson
2017-09-15 18:48 ` [PATCH 01/22] xen: Provide XEN_DMOP_remote_shutdown Ian Jackson
2017-09-18  9:44   ` Jan Beulich
2017-09-18 13:57     ` Ian Jackson
2017-09-18 14:16       ` Jan Beulich
2017-09-18 14:18   ` Wei Liu
2017-09-15 18:48 ` [PATCH 02/22] tools: libxendevicemodel: Provide xendevicemodel_shutdown Ian Jackson
2017-09-18 14:18   ` Wei Liu
2017-09-18 17:09     ` Ian Jackson
2017-09-15 18:48 ` [PATCH 03/22] xentoolcore, _restrict_all: Introduce new library and implementation Ian Jackson
2017-09-18 14:52   ` Wei Liu
2017-09-18 16:08     ` Ian Jackson
2017-09-19  8:52       ` Wei Liu
2017-09-19  8:52   ` Wei Liu
2017-09-19 10:42     ` Ian Jackson
2017-09-19  9:33   ` Wei Liu
2017-09-19 10:47     ` Ian Jackson
2017-09-19 10:57       ` Wei Liu
2017-09-19 11:04         ` Ian Jackson
2017-09-20 15:24           ` Wei Liu
2017-09-15 18:48 ` [PATCH 04/22] tools: qemu-xen build: prepare to link against xentoolcore Ian Jackson
2017-09-19  8:52   ` Wei Liu
2017-09-15 18:48 ` [PATCH 05/22] libxl: #include "xentoolcore_internal.h" Ian Jackson
2017-09-19  8:53   ` Wei Liu
2017-09-15 18:48 ` [PATCH 06/22] tools: move CONTAINER_OF to xentoolcore_internal.h Ian Jackson
2017-09-19  8:53   ` Wei Liu
2017-09-15 18:48 ` [PATCH 07/22] xentoolcore_restrict_all: Implement for libxendevicemodel Ian Jackson
2017-09-19  9:37   ` Wei Liu
2017-09-15 18:48 ` [PATCH 08/22] xentoolcore_restrict_all: "Implement" for libxencall Ian Jackson
2017-09-19  9:38   ` Wei Liu
2017-09-19 10:49     ` Ian Jackson
2017-09-15 18:48 ` [PATCH 09/22] xentoolcore_restrict: Break out xentoolcore__restrict_by_dup2_null Ian Jackson
2017-09-19  9:38   ` Wei Liu
2017-09-15 18:48 ` [PATCH 10/22] xentoolcore_restrict_all: Implement for libxenforeignmemory Ian Jackson
2017-09-19  9:40   ` Wei Liu
2017-09-19 10:51     ` Ian Jackson
2017-09-19 10:58       ` Wei Liu
2017-09-19 11:08         ` Ian Jackson
2017-09-20 15:25           ` Wei Liu
2017-09-21 16:18             ` Ian Jackson
2017-09-15 18:48 ` [PATCH 11/22] xentoolcore_restrict_all: Declare problems due to no evtchn support Ian Jackson
2017-09-19  9:40   ` Wei Liu
2017-09-15 18:48 ` [PATCH 12/22] xentoolcore_restrict_all: "Implement" for xengnttab Ian Jackson
2017-09-19  9:41   ` Wei Liu
2017-09-15 18:48 ` [PATCH 13/22] tools/xenstore: get_handle: use "goto err" error handling style Ian Jackson
2017-09-19  9:42   ` Wei Liu
2017-09-15 18:48 ` [PATCH 14/22] tools/xenstore: get_handle: Allocate struct before opening fd Ian Jackson
2017-09-19  9:43   ` Wei Liu
2017-09-15 18:48 ` [PATCH 15/22] xentoolcore_restrict_all: "Implement" for xenstore Ian Jackson
2017-09-19  9:43   ` Wei Liu
2017-09-15 18:48 ` [PATCH 16/22] xentoolcore, _restrict_all: Document implementation "complete" Ian Jackson
2017-09-18 14:49   ` Wei Liu
2017-09-18 16:06     ` Ian Jackson
2017-09-15 18:48 ` [PATCH 17/22] xl, libxl: Provide dm_restrict Ian Jackson
2017-09-19  9:48   ` Wei Liu
2017-09-19 10:54     ` Ian Jackson
2017-09-15 18:48 ` [PATCH 18/22] libxl: Rationalise calculation of user to run qemu as Ian Jackson
2017-09-18 14:49   ` Wei Liu
2017-09-15 18:48 ` Ian Jackson [this message]
2017-09-19  9:48   ` [PATCH 19/22] libxl: libxl__dm_runas_helper: return pwd Wei Liu
2017-09-15 18:48 ` [PATCH 20/22] libxl: userlookup_helper_getpwnam rename and turn into a macro Ian Jackson
2017-09-19  9:50   ` Wei Liu
2017-09-19 10:57     ` Ian Jackson
2017-09-15 18:48 ` [PATCH 21/22] libxl: dm_restrict: Support uid range user Ian Jackson
2017-09-15 18:48 ` [PATCH 22/22] RFC: tools: xentoolcore_restrict_all: use domid_t Ian Jackson
2017-09-19 10:02   ` Wei Liu
2017-09-19 11:01     ` Ian Jackson
2017-09-20 15:28       ` Wei Liu

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