From: Vinzenz Feenstra <vfeen...@redhat.com>
A command that will list all currenctly logged in users having running
processes.
Examples:
virsh # qemu-agent-command F25 '{ "execute": "guest-get-users" }'
{"return":[{"user":"root"}]}
virsh # qemu-agent-command Win2k12r2 '{ "execute": "guest-get-users" }'
{"return":[{"domain":"LADIDA","user":"Administrator"}]}
Signed-off-by: Vinzenz Feenstra <vfeen...@redhat.com>
---
qga/commands-posix.c | 35 +++++++++++++++++++++++
qga/commands-win32.c | 80 ++++++++++++++++++++++++++++++++++++++++++++++++++++
qga/qapi-schema.json | 21 ++++++++++++++
3 files changed, 136 insertions(+)
diff --git a/qga/commands-posix.c b/qga/commands-posix.c
index 73d93eb..8cb2094 100644
--- a/qga/commands-posix.c
+++ b/qga/commands-posix.c
@@ -15,6 +15,7 @@
#include <sys/ioctl.h>
#include <sys/wait.h>
#include <dirent.h>
+#include <utmpx.h>
#include "qga/guest-agent-core.h"
#include "qga-qmp-commands.h"
#include "qapi/qmp/qerror.h"
@@ -2515,3 +2516,37 @@ void ga_command_state_init(GAState *s, GACommandState
*cs)
ga_command_state_add(cs, NULL, guest_fsfreeze_cleanup);
#endif
}
+
+GuestUserList *qmp_guest_get_users(Error **err)
+{
+ GHashTable *cache = g_hash_table_new_full(g_str_hash, g_str_equal,
+ NULL, NULL);
+ GuestUserList *head = NULL, *cur_item = NULL;
+ setutxent();
+ for (;;) {
+ struct utmpx *user_info = getutxent();
+ if (user_info == NULL) {
+ break;
+ } else if (user_info->ut_type != USER_PROCESS) {
+ continue;
+ } else if (g_hash_table_contains(cache, user_info->ut_user)) {
+ continue;
+ }
+
+ g_hash_table_insert(cache, user_info->ut_user, NULL);
+
+ GuestUserList *item = g_new0(GuestUserList, 1);
+ item->value = g_new0(GuestUser, 1);
+ item->value->user = g_strdup(user_info->ut_user);
+
+ if (!cur_item) {
+ head = cur_item = item;
+ } else {
+ cur_item->next = item;
+ cur_item = item;
+ }
+ }
+ endutxent();
+ g_hash_table_unref(cache);
+ return head;
+}
diff --git a/qga/commands-win32.c b/qga/commands-win32.c
index 19d72b2..46c038b 100644
--- a/qga/commands-win32.c
+++ b/qga/commands-win32.c
@@ -1536,3 +1536,83 @@ void ga_command_state_init(GAState *s, GACommandState
*cs)
ga_command_state_add(cs, NULL, guest_fsfreeze_cleanup);
}
}
+
+GuestUserList *qmp_guest_get_users(Error **err)
+{
+ GHashTable *cache = g_hash_table_new_full(g_str_hash, g_str_equal,
+ NULL, NULL);
+ GuestUserList *head = NULL, *cur_item = NULL;
+
+ LPWKSTA_USER_INFO_1 buffer = NULL, iter_buffer = 0;
+ DWORD level = 1; /* Level 1 has more information */
+ DWORD prefered_max_length = MAX_PREFERRED_LENGTH;
+ DWORD entries_read = 0;
+ DWORD total_entries = 0;
+ DWORD resume_handle = 0;
+ LPWSTR server_name = NULL;
+ NET_API_STATUS result = ERROR_MORE_DATA;
+
+ while (result == ERROR_MORE_DATA) {
+ result = NetWkstaUserEnum(
+ server_name,
+ level,
+ (LPBYTE *)&buffer,
+ prefered_max_length,
+ &entries_read,
+ &total_entries,
+ &resume_handle);
+
+ if (result != ERROR_MORE_DATA && result != ERROR_SUCCESS) {
+ error_setg_win32(err, result, "Failed to enumerate active users");
+ goto error;
+ }
+
+ iter_buffer = buffer;
+ DWORD i = 0;
+ for (i = 0; i < entries_read; ++i, ++iter_buffer) {
+ gchar *name = g_utf16_to_utf8(
+ iter_buffer->wkui1_username,
+ -1, NULL, NULL, NULL
+ );
+
+ if (name == NULL) {
+ continue;
+ }
+
+ if (g_hash_table_contains(cache, name)) {
+ g_free(name);
+ continue;
+ }
+
+ gchar *domain = g_utf16_to_utf8(
+ iter_buffer->wkui1_logon_domain,
+ -1, NULL, NULL, NULL
+ );
+
+ g_hash_table_insert(cache, name, NULL);
+ GuestUserList *item = g_new0(GuestUserList, 1);
+ item->value = g_new0(GuestUser, 1);
+ item->value->user = name;
+ item->value->domain = domain;
+ item->value->has_domain = true;
+
+ if (!cur_item) {
+ head = cur_item = item;
+ } else {
+ cur_item->next = item;
+ cur_item = item;
+ }
+ }
+ }
+ NetApiBufferFree(buffer);
+ g_hash_table_unref(cache);
+ return head;
+
+error:
+ if (buffer != NULL) {
+ NetApiBufferFree(buffer);
+ }
+ g_hash_table_unref(cache);
+ qapi_free_GuestUserList(head);
+ return NULL;
+}
diff --git a/qga/qapi-schema.json b/qga/qapi-schema.json
index a02dbf2..190e8b4 100644
--- a/qga/qapi-schema.json
+++ b/qga/qapi-schema.json
@@ -1042,3 +1042,24 @@
'data': { 'path': 'str', '*arg': ['str'], '*env': ['str'],
'*input-data': 'str', '*capture-output': 'bool' },
'returns': 'GuestExec' }
+
+##
+# @GuestUser:
+# @user: Username
+# @domain: Logon domain (windows only)
+#
+# Since: 2.10
+##
+{ 'struct': 'GuestUser',
+ 'data': { 'user': 'str', '*domain': 'str' } }
+
+##
+# @guest-get-users:
+# Retrieves a list of currently active user accounts on the VM.
+#
+# Returns: A unique list of users.
+#
+# Since: 2.10
+##
+{ 'command': 'guest-get-users',
+ 'returns': ['GuestUser'] }
--
2.9.3
