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Fix #4257: Proper error checks for /kbd argument

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This commit is contained in:
Armin Novak 2017-11-21 08:46:29 +01:00
parent e6e5daea08
commit 7183189328
1 changed files with 14 additions and 29 deletions
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43
client/common/cmdline.c
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@ -231,12 +231,12 @@ static void freerdp_client_print_command_line_args(COMMAND_LINE_ARGUMENT_A* arg)
|| (arg->Flags & COMMAND_LINE_VALUE_OPTIONAL))
{
BOOL overlong = FALSE;
printf(" %s", "/");
if (arg->Format)
{
size_t length = (strlen(arg->Name) + strlen(arg->Format) + 2);
if (arg->Flags & COMMAND_LINE_VALUE_OPTIONAL)
length += 2;
@ -314,6 +314,7 @@ BOOL freerdp_client_print_command_line_help_ex(int argc, char** argv,
printf("Multimedia Redirection: /multimedia:sys:alsa\n");
printf("USB Device Redirection: /usb:id,dev:054c:0268\n");
printf("\n");
printf("For Gateways, the https_proxy environment variable is respected:\n");
#ifdef _WIN32
printf(" set HTTPS_PROXY=http://proxy.contoso.com:3128/\n");
@ -322,6 +323,7 @@ BOOL freerdp_client_print_command_line_help_ex(int argc, char** argv,
#endif
printf(" xfreerdp /g:rdp.contoso.com ...\n");
printf("\n");
printf("More documentation is coming, in the meantime consult source files\n");
printf("\n");
return TRUE;
@ -345,6 +347,7 @@ static int freerdp_client_command_line_pre_filter(void* context, int index,
if (!(settings->ConnectionFile = _strdup(argv[index])))
return COMMAND_LINE_ERROR_MEMORY;
return 1;
}
}
@ -358,6 +361,7 @@ static int freerdp_client_command_line_pre_filter(void* context, int index,
if (!(settings->AssistanceFile = _strdup(argv[index])))
return COMMAND_LINE_ERROR_MEMORY;
return 1;
}
}
@ -1068,7 +1072,6 @@ BOOL freerdp_parse_hostname(char* hostname, char** host, int* port)
if ((errno != 0) || (val <= 0) || (val > UINT16_MAX))
return FALSE;
*host = (char*) calloc(length + 1UL, sizeof(char));
if (!(*host))
@ -1411,7 +1414,7 @@ int freerdp_client_settings_command_line_status_print_ex(rdpSettings* settings,
if (arg->Flags & COMMAND_LINE_VALUE_PRESENT)
{
int i;
DWORD i;
RDP_KEYBOARD_LAYOUT* layouts;
layouts = freerdp_keyboard_get_layouts(RDP_KEYBOARD_LAYOUT_TYPE_STANDARD);
//if (!layouts) /* FIXME*/
@ -1468,7 +1471,6 @@ static BOOL ends_with(const char* str, const char* ext)
return strncmp(&str[strLen - extLen], ext, extLen) == 0;
}
int freerdp_client_settings_parse_command_line_arguments(rdpSettings* settings,
int argc, char** argv, BOOL allowUnknown)
{
@ -1491,6 +1493,7 @@ int freerdp_client_settings_parse_command_line_arguments(rdpSettings* settings,
}
else
{
if (allowUnknown)
{
flags |= COMMAND_LINE_IGN_UNKNOWN_KEYWORD;
@ -1552,7 +1555,6 @@ int freerdp_client_settings_parse_command_line_arguments(rdpSettings* settings,
if ((errno != 0) || (val == 0) || (val > UINT16_MAX))
return COMMAND_LINE_ERROR_UNEXPECTED_VALUE;
length = (int)(p - arg->Value);
settings->ServerPort = val;
@ -1686,7 +1688,6 @@ int freerdp_client_settings_parse_command_line_arguments(rdpSettings* settings,
settings->PercentScreenUseWidth = 1;
partial = TRUE;
}
if (strchr(p, 'h'))
{
settings->PercentScreenUseHeight = 1;
@ -1870,29 +1871,22 @@ int freerdp_client_settings_parse_command_line_arguments(rdpSettings* settings,
}
CommandLineSwitchCase(arg, "kbd")
{
unsigned long id;
char* pEnd;
id = strtoul(arg->Value, &pEnd, 16);
unsigned long id = strtoul(arg->Value, NULL, 0);
if (pEnd != (arg->Value + strlen(arg->Value)))
id = 0;
if (id == 0)
if ((errno != 0) || (id > UINT32_MAX) || (id == 0))
{
const int rc = freerdp_map_keyboard_layout_name_to_id(arg->Value);
if (rc < 0)
WLog_ERR(TAG, "A problem occurred while mapping the layout name to id");
else if (rc == 0)
if (rc <= 0)
{
WLog_ERR(TAG, "Could not identify keyboard layout: %s", arg->Value);
WLog_ERR(TAG, "Use /kbd-list to list available layouts");
return COMMAND_LINE_ERROR_UNEXPECTED_VALUE;
}
if (rc <= 0)
return COMMAND_LINE_STATUS_PRINT;
id = rc;
/* Found a valid mapping, reset errno */
id = (unsigned long)rc;
errno = 0;
}
settings->KeyboardLayout = (UINT32) id;
@ -1956,7 +1950,6 @@ int freerdp_client_settings_parse_command_line_arguments(rdpSettings* settings,
if ((errno != 0) || (val == 0) || (val > UINT16_MAX))
return COMMAND_LINE_ERROR_UNEXPECTED_VALUE;
length = (int)(p - arg->Value);
settings->GatewayPort = val;
@ -2076,7 +2069,6 @@ int freerdp_client_settings_parse_command_line_arguments(rdpSettings* settings,
long type;
char* pEnd;
type = strtol(arg->Value, &pEnd, 10);
if (errno != 0)
return COMMAND_LINE_ERROR_UNEXPECTED_VALUE;
@ -2217,7 +2209,6 @@ int freerdp_client_settings_parse_command_line_arguments(rdpSettings* settings,
long type;
char* pEnd;
type = strtol(arg->Value, &pEnd, 10);
if (errno != 0)
return COMMAND_LINE_ERROR_UNEXPECTED_VALUE;
@ -2284,7 +2275,6 @@ int freerdp_client_settings_parse_command_line_arguments(rdpSettings* settings,
if (arg->Value)
{
#ifdef WITH_GFX_H264
if (_strnicmp("AVC444", arg->Value, 6) == 0)
{
settings->GfxH264 = TRUE;
@ -2303,10 +2293,8 @@ int freerdp_client_settings_parse_command_line_arguments(rdpSettings* settings,
CommandLineSwitchCase(arg, "gfx-thin-client")
{
settings->GfxThinClient = arg->Value ? TRUE : FALSE;
if (settings->GfxThinClient)
settings->GfxSmallCache = TRUE;
settings->SupportGraphicsPipeline = TRUE;
}
CommandLineSwitchCase(arg, "gfx-small-cache")
@ -2395,7 +2383,6 @@ int freerdp_client_settings_parse_command_line_arguments(rdpSettings* settings,
if ((errno != 0) || (val > UINT32_MAX))
return COMMAND_LINE_ERROR_UNEXPECTED_VALUE;
settings->SendPreconnectionPdu = TRUE;
settings->PreconnectionId = val;
}
@ -2586,7 +2573,6 @@ int freerdp_client_settings_parse_command_line_arguments(rdpSettings* settings,
{
settings->NSCodec = TRUE;
}
#if defined(WITH_JPEG)
else if (strcmp(arg->Value, "jpeg") == 0)
{
@ -2595,7 +2581,6 @@ int freerdp_client_settings_parse_command_line_arguments(rdpSettings* settings,
if (settings->JpegQuality == 0)
settings->JpegQuality = 75;
}
#endif
}
CommandLineSwitchCase(arg, "fast-path")