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Merge pull request #4610 from akallabeth/cmd_strtol_fix 

Fix #4597: Do string argument checks before a possible strtol
This commit is contained in:
Martin Fleisz 2018-05-04 13:28:18 +02:00 committed by GitHub
parent c4e8685a29 1fd5c53a74
commit 7eb12bb028
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 37 additions and 38 deletions
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75
client/common/cmdline.c
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@ -1965,23 +1965,22 @@ int freerdp_client_settings_parse_command_line_arguments(rdpSettings* settings,
}
CommandLineSwitchCase(arg, "gateway-usage-method")
{
long type;
long type = 0;
char* pEnd;
type = strtol(arg->Value, &pEnd, 10);
if (errno != 0)
return COMMAND_LINE_ERROR_UNEXPECTED_VALUE;
if (type == 0)
if (_stricmp(arg->Value, "none") == 0)
type = TSC_PROXY_MODE_NONE_DIRECT;
else if (_stricmp(arg->Value, "direct") == 0)
type = TSC_PROXY_MODE_DIRECT;
else if (_stricmp(arg->Value, "detect") == 0)
type = TSC_PROXY_MODE_DETECT;
else if (_stricmp(arg->Value, "default") == 0)
type = TSC_PROXY_MODE_DEFAULT;
else
{
if (_stricmp(arg->Value, "none") == 0)
type = TSC_PROXY_MODE_NONE_DIRECT;
else if (_stricmp(arg->Value, "direct") == 0)
type = TSC_PROXY_MODE_DIRECT;
else if (_stricmp(arg->Value, "detect") == 0)
type = TSC_PROXY_MODE_DETECT;
else if (_stricmp(arg->Value, "default") == 0)
type = TSC_PROXY_MODE_DEFAULT;
type = strtol(arg->Value, &pEnd, 10);
if (errno != 0)
return COMMAND_LINE_ERROR_UNEXPECTED_VALUE;
}
freerdp_set_gateway_usage_method(settings, (UINT32) type);
@ -2110,33 +2109,33 @@ int freerdp_client_settings_parse_command_line_arguments(rdpSettings* settings,
}
CommandLineSwitchCase(arg, "network")
{
long type;
long type = 0;
char* pEnd;
type = strtol(arg->Value, &pEnd, 10);
if (errno != 0)
return COMMAND_LINE_ERROR_UNEXPECTED_VALUE;
if (type == 0)
if (_stricmp(arg->Value, "modem") == 0)
type = CONNECTION_TYPE_MODEM;
else if (_stricmp(arg->Value, "broadband") == 0)
type = CONNECTION_TYPE_BROADBAND_HIGH;
else if (_stricmp(arg->Value, "broadband-low") == 0)
type = CONNECTION_TYPE_BROADBAND_LOW;
else if (_stricmp(arg->Value, "broadband-high") == 0)
type = CONNECTION_TYPE_BROADBAND_HIGH;
else if (_stricmp(arg->Value, "wan") == 0)
type = CONNECTION_TYPE_WAN;
else if (_stricmp(arg->Value, "lan") == 0)
type = CONNECTION_TYPE_LAN;
else if ((_stricmp(arg->Value, "autodetect") == 0) ||
(_stricmp(arg->Value, "auto") == 0) ||
(_stricmp(arg->Value, "detect") == 0))
{
if (_stricmp(arg->Value, "modem") == 0)
type = CONNECTION_TYPE_MODEM;
else if (_stricmp(arg->Value, "broadband") == 0)
type = CONNECTION_TYPE_BROADBAND_HIGH;
else if (_stricmp(arg->Value, "broadband-low") == 0)
type = CONNECTION_TYPE_BROADBAND_LOW;
else if (_stricmp(arg->Value, "broadband-high") == 0)
type = CONNECTION_TYPE_BROADBAND_HIGH;
else if (_stricmp(arg->Value, "wan") == 0)
type = CONNECTION_TYPE_WAN;
else if (_stricmp(arg->Value, "lan") == 0)
type = CONNECTION_TYPE_LAN;
else if ((_stricmp(arg->Value, "autodetect") == 0) ||
(_stricmp(arg->Value, "auto") == 0) ||
(_stricmp(arg->Value, "detect") == 0))
{
type = CONNECTION_TYPE_AUTODETECT;
}
type = CONNECTION_TYPE_AUTODETECT;
}
else
{
type = strtol(arg->Value, &pEnd, 10);
if (errno != 0)
return COMMAND_LINE_ERROR_UNEXPECTED_VALUE;
}
if (!freerdp_set_connection_type(settings, type))