implemented output of item lists in remediation instructions

This commit is contained in:
Andreas Steffen
2012-11-23 18:30:00 +01:00
parent ee6aeca892
commit 9cbdfdb988
5 changed files with 162 additions and 87 deletions
+85 -7
View File
@@ -49,20 +49,95 @@ struct private_imv_remediation_string_t {
METHOD(imv_remediation_string_t, add_instruction, void,
private_imv_remediation_string_t *this, imv_lang_string_t title[],
imv_lang_string_t description[], imv_lang_string_t itemsheader[],
linked_list_t *items)
linked_list_t *item_list)
{
char xml_format[] = " <instruction>\n"
" <title>%s</title>\n"
char xml_format[] = " <instruction>\n"
" <title>%s</title>\n"
" <description>%s</description>\n"
"%s%s"
" </instruction>\n";
char *instruction, *format, *s_title, *s_description, *s_itemsheader;
char *instruction, *format, *item, *pos, *header, *items;
char *s_title, *s_description, *s_itemsheader;
size_t len;
s_title = imv_lang_string_select_string(title, this->lang);
s_description = imv_lang_string_select_string(description, this->lang);
s_itemsheader = imv_lang_string_select_string(itemsheader, this->lang);
header = NULL;
items = NULL;
if (s_itemsheader)
{
int header_len = strlen(s_itemsheader);
char *header_format;
if (this->as_xml)
{
header_format = " <itemsheader>%s</itemsheader>\n";
header_len += strlen(header_format) - 2;
}
else
{
header_format = "\n %s";
header_len += 3;
}
header = malloc(header_len + 1);
sprintf(header, header_format, s_itemsheader);
}
if (item_list && item_list->get_count(item_list))
{
enumerator_t *enumerator;
int items_len = 0;
/* compute total length of all items */
enumerator = item_list->create_enumerator(item_list);
while (enumerator->enumerate(enumerator, &item))
{
items_len += strlen(item);
}
enumerator->destroy(enumerator);
if (this->as_xml)
{
items_len += 12 + 20 * item_list->get_count(item_list) + 13;
pos = items = malloc(items_len + 1);
pos += sprintf(pos, " <items>\n");
enumerator = item_list->create_enumerator(item_list);
while (enumerator->enumerate(enumerator, &item))
{
pos += sprintf(pos, " <item>%s</item>\n", item);
}
enumerator->destroy(enumerator);
pos += sprintf(pos, " </items>\n");
}
else
{
items_len += 5 * item_list->get_count(item_list);
pos = items = malloc(items_len + 1);
enumerator = item_list->create_enumerator(item_list);
while (enumerator->enumerate(enumerator, &item))
{
pos += sprintf(pos, "\n %s", item);
}
enumerator->destroy(enumerator);
}
}
len = strlen(s_title) + strlen(s_description);
if (header)
{
len += strlen(header);
}
if (items)
{
len += strlen(items);
}
if (this->as_xml)
{
@@ -71,11 +146,14 @@ METHOD(imv_remediation_string_t, add_instruction, void,
}
else
{
format = this->instructions.len ? "\n%s\n%s%s%s" : "%s\n%s%s%s";
len += 2;
format = this->instructions.len ? "\n%s\n %s%s%s" : "%s\n %s%s%s";
len += 4;
}
instruction = malloc(len + 1);
sprintf(instruction, format, s_title, s_description, "", "");
sprintf(instruction, format, s_title, s_description, header ? header : "",
items ? items : "");
free(header);
free(items);
this->instructions = chunk_cat("mm", this->instructions,
chunk_create(instruction, strlen(instruction)));
}
+41 -44
View File
@@ -154,7 +154,7 @@ struct private_imv_os_state_t {
static char* languages[] = { "en", "de", "pl" };
/**
* Table of "OS settings" reason strings
* Reason strings for "OS settings"
*/
static imv_lang_string_t reason_settings[] = {
{ "en", "Improper OS settings were detected" },
@@ -163,7 +163,7 @@ static imv_lang_string_t reason_settings[] = {
};
/**
* Table of "software packages" reason strings
* Reason strings for "installed software packages"
*/
static imv_lang_string_t reason_packages[] = {
{ "en", "Vulnerable or blacklisted software packages were found" },
@@ -172,47 +172,51 @@ static imv_lang_string_t reason_packages[] = {
};
/**
* Table of "software packages update" instruction title strings
* Instruction strings for "Software Security Updates"
*/
static imv_lang_string_t instr_update_packages_title[] = {
{ "en", "Software Security Updates" },
{ "de", "Software Sicherheitsupdates" },
{ "pl", "Software Security Updates" }, /* TODO */
{ NULL, NULL }
};
/**
* Table of "software packages update" instruction description strings
*/
static imv_lang_string_t instr_update_packages_descr[] = {
{ "en", "Please update the following software packages" },
{ "de", "Bitte updaten Sie die folgenden Softwarepakete" },
{ "pl", "Proszę zaktualizować następujące pakiety" },
{ "en", "Packages with security vulnerabilities were found" },
{ "de", "Softwarepakete mit Sicherheitsschwachstellen wurden gefunden" },
{ NULL, NULL }
};
static imv_lang_string_t instr_update_packages_header[] = {
{ "en", "Please update the following software packages:" },
{ "de", "Bitte updaten Sie die folgenden Softwarepakete:" },
{ "pl", "Proszę zaktualizować następujące pakiety:" },
{ NULL, NULL }
};
/**
* Tables of "software package removal" instruction titlestrings
* Instruction strings for "Blacklisted Software Packages"
*/
static imv_lang_string_t instr_remove_packages_title[] = {
{ "en", "Blacklisted Software Packages" },
{ "de", "Gesperrte Softwarepakete" },
{ "pl", "Blacklisted Software Packages" }, /* TODO */
{ NULL, NULL }
};
/**
* Tables of "software package removal" instruction strings
*/
static imv_lang_string_t instr_remove_packages_descr[] = {
{ "en", "Please remove the following software packages" },
{ "de", "Bitte entfernen Sie die folgenden Softwarepakete" },
{ "pl", "Proszę usunąć następujące pakiety" },
{ "en", "Dangereous software packages were found" },
{ "de", "Gefährliche Softwarepakete wurden gefunden" },
{ NULL, NULL }
}
};
static imv_lang_string_t instr_remove_packages_header[] = {
{ "en", "Please remove the following software packages:" },
{ "de", "Bitte entfernen Sie die folgenden Softwarepakete:" },
{ "pl", "Proszę usunąć następujące pakiety:" },
{ NULL, NULL }
};
;/**
* Table of "forwarding enable" instruction title strings
* Instruction strings for "Forwarding Enabled"
*/
static imv_lang_string_t instr_fwd_enabled_title[] = {
{ "en", "IP Packet Forwarding" },
@@ -220,9 +224,6 @@ static imv_lang_string_t instr_fwd_enabled_title[] = {
{ NULL, NULL }
};
/**
* Table of "forwarding enable" instruction description strings
*/
static imv_lang_string_t instr_fwd_enabled_descr[] = {
{ "en", "Please disable the forwarding of IP packets" },
{ "de", "Bitte deaktivieren Sie das Forwarding von IP Paketen" },
@@ -230,7 +231,7 @@ static imv_lang_string_t instr_fwd_enabled_descr[] = {
};
/**
* Table of "default password enabled" instruction title strings
* Instruction strings for "Default Password Enabled"
*/
static imv_lang_string_t instr_default_pwd_enabled_title[] = {
{ "en", "Default Password" },
@@ -238,9 +239,6 @@ static imv_lang_string_t instr_default_pwd_enabled_title[] = {
{ NULL, NULL }
};
/**
* Table of "default password enabled" instruction description strings
*/
static imv_lang_string_t instr_default_pwd_enabled_descr[] = {
{ "en", "Please change the default password" },
{ "de", "Bitte ändern Sie das Default Passwort" },
@@ -248,7 +246,7 @@ static imv_lang_string_t instr_default_pwd_enabled_descr[] = {
};
/**
* Table of "install non market apps" instruction title strings
* Instruction strings for "Install Non-Market Apps"
*/
static imv_lang_string_t instr_non_market_apps_title[] = {
{ "en", "Unknown Software Origin" },
@@ -256,9 +254,6 @@ static imv_lang_string_t instr_non_market_apps_title[] = {
{ NULL, NULL }
};
/**
* Table of "install non market apps" instruction description strings
*/
static imv_lang_string_t instr_non_market_apps_descr[] = {
{ "en", "Do not allow the installation of apps from unknown sources" },
{ "de", "Erlauben Sie nicht die Installation von Apps von unbekannten Quellen" },
@@ -372,43 +367,45 @@ METHOD(imv_state_t, get_remediation_instructions, bool,
if (this->count_blacklist)
{
this->remediation_string->add_instruction(this->remediation_string,
instr_remove_packages_title,
instr_remove_packages_descr, NULL,
this->remove_packages);
instr_remove_packages_title,
instr_remove_packages_descr,
instr_remove_packages_header,
this->remove_packages);
}
/* List of packages in need of an update, if any */
if (this->count_update)
{
this->remediation_string->add_instruction(this->remediation_string,
instr_update_packages_title,
instr_update_packages_descr, NULL,
this->update_packages);
instr_update_packages_title,
instr_update_packages_descr,
instr_update_packages_header,
this->update_packages);
}
/* Add instructions concerning improper OS settings */
if (this->os_settings & OS_SETTINGS_FWD_ENABLED)
{
this->remediation_string->add_instruction(this->remediation_string,
instr_fwd_enabled_title,
instr_fwd_enabled_descr, NULL, NULL);
instr_fwd_enabled_title,
instr_fwd_enabled_descr, NULL, NULL);
}
if (this->os_settings & OS_SETTINGS_DEFAULT_PWD_ENABLED)
{
this->remediation_string->add_instruction(this->remediation_string,
instr_default_pwd_enabled_title,
instr_default_pwd_enabled_descr, NULL, NULL);
instr_default_pwd_enabled_title,
instr_default_pwd_enabled_descr, NULL, NULL);
}
if (this->os_settings & OS_SETTINGS_NON_MARKET_APPS)
{
this->remediation_string->add_instruction(this->remediation_string,
instr_non_market_apps_title,
instr_non_market_apps_descr, NULL, NULL);
instr_non_market_apps_title,
instr_non_market_apps_descr, NULL, NULL);
}
*string = this->remediation_string->get_encoding(this->remediation_string);
*uri = lib->settings->get_str(lib->settings,
"libimcv.plugins.imv-os.remediation_uri", NULL);
"libimcv.plugins.imv-os.remediation_uri", NULL);
return TRUE;
}
+8 -16
View File
@@ -202,14 +202,15 @@ static TNC_Result receive_message(imv_state_t *state, imv_msg_t *in_msg)
if (type.vendor_id == PEN_IETF && type.type == IETF_ATTR_PORT_FILTER)
{
imv_scanner_state_t *imv_scanner_state;
ietf_attr_port_filter_t *attr_port_filter;
enumerator_t *enumerator;
u_int8_t protocol;
u_int16_t port;
char buf[BUF_LEN], *pos = buf;
size_t len = BUF_LEN;
bool blocked, compliant = TRUE;
imv_scanner_state = (imv_scanner_state_t*)state;
attr_port_filter = (ietf_attr_port_filter_t*)attr;
enumerator = attr_port_filter->create_port_enumerator(attr_port_filter);
while (enumerator->enumerate(enumerator, &blocked, &protocol, &port))
@@ -217,7 +218,7 @@ static TNC_Result receive_message(imv_state_t *state, imv_msg_t *in_msg)
enumerator_t *e;
port_range_t *port_range;
bool passed, found = FALSE;
int written = 0;
char buf[20];
if (blocked)
{
@@ -245,15 +246,10 @@ static TNC_Result receive_message(imv_state_t *state, imv_msg_t *in_msg)
if (!passed)
{
compliant = FALSE;
written = snprintf(pos, len, " %s/%u",
(protocol == IPPROTO_TCP) ? "tcp" : "udp",
port);
if (written < 0 || written >= len)
{
break;
}
pos += written;
len -= written;
snprintf(buf, sizeof(buf), "%s/%u",
(protocol == IPPROTO_TCP) ? "tcp" : "udp", port);
imv_scanner_state->add_violating_port(imv_scanner_state,
strdup(buf));
}
}
enumerator->destroy(enumerator);
@@ -266,10 +262,6 @@ static TNC_Result receive_message(imv_state_t *state, imv_msg_t *in_msg)
}
else
{
imv_scanner_state_t *imv_scanner_state;
imv_scanner_state = (imv_scanner_state_t*)state;
imv_scanner_state->set_violating_ports(imv_scanner_state, buf);
state->set_recommendation(state,
TNC_IMV_ACTION_RECOMMENDATION_NO_ACCESS,
TNC_IMV_EVALUATION_RESULT_NONCOMPLIANT_MAJOR);
@@ -69,9 +69,9 @@ struct private_imv_scanner_state_t {
TNC_IMV_Evaluation_Result eval;
/**
* String with list of ports that should be closed
* List with ports that should be closed
*/
char *violating_ports;
linked_list_t *violating_ports;
/**
* TNC Reason String
@@ -91,7 +91,7 @@ struct private_imv_scanner_state_t {
static char* languages[] = { "en", "de", "fr", "pl" };
/**
* Table of reason strings
* Reason strings for "Port Filter"
*/
static imv_lang_string_t reasons[] = {
{ "en", "Open server ports were detected" },
@@ -102,7 +102,7 @@ static imv_lang_string_t reasons[] = {
};
/**
* Table of "ports" remediation instruction title strings
* Instruction strings for "Port Filters"
*/
static imv_lang_string_t instr_ports_title[] = {
{ "en", "Open Server Ports" },
@@ -112,14 +112,19 @@ static imv_lang_string_t instr_ports_title[] = {
{ NULL, NULL }
};
/**
* Table of "ports" remediation instruction descriptions strings
*/
static imv_lang_string_t instr_ports_descr[] = {
{ "en", "Please close the following server ports" },
{ "de", "Bitte schliessen Sie die folgenden Serverports" },
{ "fr", "Fermez les ports du serveur suivants s'il vous plait" },
{ "pl", "Proszę zamknąć następujące porty serwera" },
{ "en", "Open Internet ports have been detected" },
{ "de", "Offenen Internet-Ports wurden festgestellt" },
{ "fr", "Il y'a des ports Internet ouverts" },
{ "pl", "Porty internetowe są otwarte" },
{ NULL, NULL }
};
static imv_lang_string_t instr_ports_header[] = {
{ "en", "Please close the following server ports:" },
{ "de", "Bitte schliessen Sie die folgenden Serverports:" },
{ "fr", "Fermez les ports du serveur suivants s'il vous plait:" },
{ "pl", "Proszę zamknąć następujące porty serwera:" },
{ NULL, NULL }
};
@@ -219,8 +224,10 @@ METHOD(imv_state_t, get_remediation_instructions, bool,
TRUE, *lang_code); /* TODO get os_type */
this->remediation_string->add_instruction(this->remediation_string,
instr_ports_title, instr_ports_descr, NULL, NULL);
instr_ports_title,
instr_ports_descr,
instr_ports_header,
this->violating_ports);
*string = this->remediation_string->get_encoding(this->remediation_string);
*uri = lib->settings->get_str(lib->settings,
"libimcv.plugins.imv-scanner.remediation_uri", NULL);
@@ -233,14 +240,14 @@ METHOD(imv_state_t, destroy, void,
{
DESTROY_IF(this->reason_string);
DESTROY_IF(this->remediation_string);
free(this->violating_ports);
this->violating_ports->destroy_function(this->violating_ports, free);
free(this);
}
METHOD(imv_scanner_state_t, set_violating_ports, void,
private_imv_scanner_state_t *this, char *ports)
METHOD(imv_scanner_state_t, add_violating_port, void,
private_imv_scanner_state_t *this, char *port)
{
this->violating_ports = strdup(ports);
this->violating_ports->insert_last(this->violating_ports, port);
}
/**
@@ -266,12 +273,13 @@ imv_state_t *imv_scanner_state_create(TNC_ConnectionID connection_id)
.get_remediation_instructions = _get_remediation_instructions,
.destroy = _destroy,
},
.set_violating_ports = _set_violating_ports,
.add_violating_port = _add_violating_port,
},
.state = TNC_CONNECTION_STATE_CREATE,
.rec = TNC_IMV_ACTION_RECOMMENDATION_NO_RECOMMENDATION,
.eval = TNC_IMV_EVALUATION_RESULT_DONT_KNOW,
.connection_id = connection_id,
.violating_ports = linked_list_create(),
);
return &this->public.interface;
@@ -37,9 +37,9 @@ struct imv_scanner_state_t {
imv_state_t interface;
/**
* list of violating TCP and UDP ports
* add a violating TCP or UDP port
*/
void (*set_violating_ports)(imv_scanner_state_t *this, char *ports);
void (*add_violating_port)(imv_scanner_state_t *this, char *port);
};
/**