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iwd
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eap: Return specific error when check_settings fails 

Change the check_settings eap functions to return a negative errno and
return more granular Dbus error from the Connect method.
This commit is contained in:
Andrew Zaborowski 2018-04-28 04:28:44 +02:00 committed by Denis Kenzior
parent a83419011e
commit b1d4db7cc8
11 changed files with 68 additions and 60 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
src/eap-aka.c
View File

@ -603,7 +603,7 @@ static void auth_destroyed(void *data)
eap_method_error(eap);
}
static bool eap_aka_check_settings(struct l_settings *settings,
static int eap_aka_check_settings(struct l_settings *settings,
struct l_queue *secrets,
const char *prefix,
struct l_queue **out_missing)
@ -613,15 +613,15 @@ static bool eap_aka_check_settings(struct l_settings *settings,
auth = iwd_sim_auth_find(false, true);
if (!auth) {
l_debug("No SIM driver available for EAP-AKA");
return false;
return -EUNATCH;
}
if (!iwd_sim_auth_get_nai(auth)) {
l_error("SIM driver didn't provide NAI");
return false;
return -ENOENT;
}
return true;
return 0;
}
static bool eap_aka_common_load_settings(struct eap_state *eap,

7
src/eap-gtc.c
View File

@ -25,6 +25,7 @@
#endif
#include <stdio.h>
#include <errno.h>
#include <ell/ell.h>
#include "eap.h"
@ -69,7 +70,7 @@ error:
eap_method_error(eap);
}
static bool eap_gtc_check_settings(struct l_settings *settings,
static int eap_gtc_check_settings(struct l_settings *settings,
struct l_queue *secrets,
const char *prefix,
struct l_queue **out_missing)
@ -80,10 +81,10 @@ static bool eap_gtc_check_settings(struct l_settings *settings,
if (!l_settings_get_value(settings, "Security", setting)) {
l_error("Property %s is missing", setting);
return false;
return -ENOENT;
}
return true;
return 0;
}
static bool eap_gtc_load_settings(struct eap_state *eap,

6
src/eap-md5.c
View File

@ -86,7 +86,7 @@ err:
eap_method_error(eap);
}
static bool eap_md5_check_settings(struct l_settings *settings,
static int eap_md5_check_settings(struct l_settings *settings,
struct l_queue *secrets,
const char *prefix,
struct l_queue **out_missing)
@ -97,10 +97,10 @@ static bool eap_md5_check_settings(struct l_settings *settings,
if (!l_settings_get_value(settings, "Security", setting)) {
l_error("Property %s is missing", setting);
return false;
return -ENOENT;
}
return true;
return 0;
}
static bool eap_md5_load_settings(struct eap_state *eap,

18
src/eap-mschapv2.c
View File

@ -641,7 +641,7 @@ static void set_user_name(struct eap_mschapv2_state *state, const char *user)
state->user = l_strdup(user);
}
static bool eap_mschapv2_check_settings(struct l_settings *settings,
static int eap_mschapv2_check_settings(struct l_settings *settings,
struct l_queue *secrets,
const char *prefix,
struct l_queue **out_missing)
@ -665,7 +665,7 @@ static bool eap_mschapv2_check_settings(struct l_settings *settings,
eap_append_secret(out_missing, EAP_SECRET_REMOTE_USER_PASSWORD,
setting, NULL);
return true;
return 0;
}
snprintf(setting, sizeof(setting), "%sPassword-Hash", prefix);
@ -678,7 +678,7 @@ static bool eap_mschapv2_check_settings(struct l_settings *settings,
if (password && password_hash) {
l_error("Exactly one of (%s, %s) must be present",
setting, setting2);
return false;
return -EEXIST;
}
if (password_hash) {
@ -691,10 +691,10 @@ static bool eap_mschapv2_check_settings(struct l_settings *settings,
if (!tmp || len != 16) {
l_error("Property %s is not a 16-byte hexstring",
setting);
return false;
return -EINVAL;
}
return true;
return 0;
} else if (password)
goto validate;
@ -702,7 +702,7 @@ static bool eap_mschapv2_check_settings(struct l_settings *settings,
if (!secret) {
eap_append_secret(out_missing, EAP_SECRET_REMOTE_PASSWORD,
setting2, identity);
return true;
return 0;
}
password = secret->value;
@ -710,13 +710,13 @@ static bool eap_mschapv2_check_settings(struct l_settings *settings,
validate:
if (!l_utf8_validate(password, strlen(password), NULL)) {
l_error("Password is not valid UTF-8");
return false;
return -EINVAL;
}
if (!mschapv2_nt_password_hash(password, hash))
return false;
return -EINVAL;
return true;
return 0;
}
static bool eap_mschapv2_load_settings(struct eap_state *eap,

16
src/eap-peap.c
View File

@ -816,7 +816,7 @@ error:
eap_method_error(eap);
}
static bool eap_peap_check_settings(struct l_settings *settings,
static int eap_peap_check_settings(struct l_settings *settings,
struct l_queue *secrets,
const char *prefix,
struct l_queue **out_missing)
@ -832,7 +832,7 @@ static bool eap_peap_check_settings(struct l_settings *settings,
cert = l_pem_load_certificate(path, &size);
if (!cert) {
l_error("Failed to load %s", path);
return false;
return -EIO;
}
l_free(cert);
@ -846,7 +846,7 @@ static bool eap_peap_check_settings(struct l_settings *settings,
cert = l_pem_load_certificate(client_cert, &size);
if (!cert) {
l_error("Failed to load %s", client_cert);
return false;
return -EIO;
}
l_free(cert);
@ -858,7 +858,7 @@ static bool eap_peap_check_settings(struct l_settings *settings,
if (path && !client_cert) {
l_error("%s present but no client certificate (%s)",
entry, client_cert_entry);
return false;
return -ENOENT;
}
snprintf(passphrase_entry, sizeof(passphrase_entry),
@ -886,13 +886,13 @@ static bool eap_peap_check_settings(struct l_settings *settings,
if (!encrypted) {
l_error("Error loading client private key %s",
path);
return false;
return -EIO;
}
if (passphrase) {
l_error("Error loading encrypted client "
"private key %s", path);
return false;
return -EACCES;
}
/*
@ -911,13 +911,13 @@ static bool eap_peap_check_settings(struct l_settings *settings,
l_error("%s present but client private "
"key %s is not encrypted",
passphrase_entry, path);
return false;
return -EIO;
}
}
} else if (passphrase) {
l_error("%s present but no client private key path set (%s)",
passphrase_entry, entry);
return false;
return -ENOENT;
}
snprintf(entry, sizeof(entry), "%sPEAP-Phase2-", prefix);

8
src/eap-sim.c
View File

@ -609,7 +609,7 @@ static void auth_destroyed(void *data)
eap_method_error(eap);
}
static bool eap_sim_check_settings(struct l_settings *settings,
static int eap_sim_check_settings(struct l_settings *settings,
struct l_queue *secrets,
const char *prefix,
struct l_queue **out_missing)
@ -619,15 +619,15 @@ static bool eap_sim_check_settings(struct l_settings *settings,
auth = iwd_sim_auth_find(true, false);
if (!auth) {
l_debug("No SIM driver available for EAP-SIM");
return false;
return -EUNATCH;
}
if (!iwd_sim_auth_get_nai(auth)) {
l_error("SIM driver didn't provide NAI");
return false;
return -ENOENT;
}
return true;
return 0;
}
static bool eap_sim_load_settings(struct eap_state *eap,

18
src/eap-tls.c
View File

@ -372,7 +372,7 @@ err:
eap_method_error(eap);
}
static bool eap_tls_check_settings(struct l_settings *settings,
static int eap_tls_check_settings(struct l_settings *settings,
struct l_queue *secrets,
const char *prefix,
struct l_queue **out_missing)
@ -388,7 +388,7 @@ static bool eap_tls_check_settings(struct l_settings *settings,
cert = l_pem_load_certificate(path, &size);
if (!cert) {
l_error("Failed to load %s", path);
return false;
return -EIO;
}
l_free(cert);
@ -402,7 +402,7 @@ static bool eap_tls_check_settings(struct l_settings *settings,
cert = l_pem_load_certificate(client_cert, &size);
if (!cert) {
l_error("Failed to load %s", client_cert);
return false;
return -EIO;
}
l_free(cert);
@ -414,7 +414,7 @@ static bool eap_tls_check_settings(struct l_settings *settings,
if (path && !client_cert) {
l_error("%s present but no client certificate (%s)",
setting, client_cert_setting);
return false;
return -ENOENT;
}
snprintf(passphrase_setting, sizeof(passphrase_setting),
@ -442,13 +442,13 @@ static bool eap_tls_check_settings(struct l_settings *settings,
if (!encrypted) {
l_error("Error loading client private key %s",
path);
return false;
return -EIO;
}
if (passphrase) {
l_error("Error loading encrypted client "
"private key %s", path);
return false;
return -EACCES;
}
/*
@ -467,16 +467,16 @@ static bool eap_tls_check_settings(struct l_settings *settings,
l_error("%s present but client private "
"key %s is not encrypted",
passphrase_setting, path);
return false;
return -ENOENT;
}
}
} else if (passphrase) {
l_error("%s present but no client private key path set (%s)",
passphrase_setting, setting);
return false;
return -ENOENT;
}
return true;
return 0;
}
static bool eap_tls_load_settings(struct eap_state *eap,

16
src/eap-ttls.c
View File

@ -632,7 +632,7 @@ err:
eap_method_error(eap);
}
static bool eap_ttls_check_settings(struct l_settings *settings,
static int eap_ttls_check_settings(struct l_settings *settings,
struct l_queue *secrets,
const char *prefix,
struct l_queue **out_missing)
@ -648,7 +648,7 @@ static bool eap_ttls_check_settings(struct l_settings *settings,
cert = l_pem_load_certificate(path, &size);
if (!cert) {
l_error("Failed to load %s", path);
return false;
return -EIO;
}
l_free(cert);
@ -662,7 +662,7 @@ static bool eap_ttls_check_settings(struct l_settings *settings,
cert = l_pem_load_certificate(client_cert, &size);
if (!cert) {
l_error("Failed to load %s", client_cert);
return false;
return -EIO;
}
l_free(cert);
@ -674,7 +674,7 @@ static bool eap_ttls_check_settings(struct l_settings *settings,
if (path && !client_cert) {
l_error("%s present but no client certificate (%s)",
setting, client_cert_setting);
return false;
return -ENOENT;
}
snprintf(passphrase_setting, sizeof(passphrase_setting),
@ -702,13 +702,13 @@ static bool eap_ttls_check_settings(struct l_settings *settings,
if (!encrypted) {
l_error("Error loading client private key %s",
path);
return false;
return -EIO;
}
if (passphrase) {
l_error("Error loading encrypted client "
"private key %s", path);
return false;
return -EACCES;
}
/*
@ -727,13 +727,13 @@ static bool eap_ttls_check_settings(struct l_settings *settings,
l_error("%s present but client private "
"key %s is not encrypted",
passphrase_setting, path);
return false;
return -EIO;
}
}
} else if (passphrase) {
l_error("%s present but no client private key path set (%s)",
passphrase_setting, setting);
return false;
return -ENOENT;
}
snprintf(setting, sizeof(setting), "%sTTLS-Phase2-", prefix);

12
src/eap.c
View File

@ -390,7 +390,7 @@ void eap_secret_info_free(void *data)
l_free(info);
}
bool eap_check_settings(struct l_settings *settings, struct l_queue *secrets,
int eap_check_settings(struct l_settings *settings, struct l_queue *secrets,
const char *prefix, bool set_key_material,
struct l_queue **out_missing)
{
@ -405,7 +405,7 @@ bool eap_check_settings(struct l_settings *settings, struct l_queue *secrets,
if (!method_name) {
l_error("Property %s missing", setting);
return false;
return -ENOENT;
}
for (entry = l_queue_get_entries(eap_methods); entry;
@ -419,7 +419,7 @@ bool eap_check_settings(struct l_settings *settings, struct l_queue *secrets,
if (!entry) {
l_error("EAP method \"%s\" unsupported", method_name);
return false;
return -ENOTSUP;
}
/* Check if selected method is suitable for 802.1x */
@ -427,7 +427,7 @@ bool eap_check_settings(struct l_settings *settings, struct l_queue *secrets,
l_error("EAP method \"%s\" doesn't export key material",
method_name);
return false;
return -ENOTSUP;
}
/* method may not store identity in settings file */
@ -436,12 +436,12 @@ bool eap_check_settings(struct l_settings *settings, struct l_queue *secrets,
if (!l_settings_get_value(settings, "Security", setting)) {
l_error("Property %s is missing", setting);
return false;
return -ENOENT;
}
}
if (!method->check_settings)
return true;
return 0;
return method->check_settings(settings, secrets, prefix, out_missing);
}

4
src/eap.h
View File

@ -65,7 +65,7 @@ void eap_append_secret(struct l_queue **out_missing, enum eap_secret_type type,
const char *id, const char *parameter);
void eap_secret_info_free(void *data);
bool eap_check_settings(struct l_settings *settings, struct l_queue *secrets,
int eap_check_settings(struct l_settings *settings, struct l_queue *secrets,
const char *prefix, bool set_key_material,
struct l_queue **out_missing);
bool eap_load_settings(struct eap_state *eap, struct l_settings *settings,
@ -123,7 +123,7 @@ struct eap_method {
bool exports_msk;
const char *name;
bool (*check_settings)(struct l_settings *settings,
int (*check_settings)(struct l_settings *settings,
struct l_queue *secrets, const char *prefix,
struct l_queue **out_missing);

15
src/network.c
View File

@ -476,7 +476,7 @@ int network_autoconnect(struct network *network, struct scan_bss *bss)
if (!network_settings_load(network))
return -ENOKEY;
if (!eap_check_settings(network->settings, network->secrets,
if (eap_check_settings(network->settings, network->secrets,
"EAP-", true, &missing_secrets) ||
!l_queue_isempty(missing_secrets) ||
!network_set_8021x_secrets(network)) {
@ -892,7 +892,7 @@ static struct l_dbus_message *network_connect_8021x(struct network *network,
struct scan_bss *bss,
struct l_dbus_message *message)
{
bool r;
int r;
struct l_queue *missing_secrets = NULL;
struct l_dbus_message *reply;
@ -900,8 +900,15 @@ static struct l_dbus_message *network_connect_8021x(struct network *network,
r = eap_check_settings(network->settings, network->secrets, "EAP-",
true, &missing_secrets);
if (!r) {
reply = dbus_error_not_configured(message);
if (r) {
if (r == -EUNATCH)
reply = dbus_error_not_available(message);
else if (r == -ENOTSUP)
reply = dbus_error_not_supported(message);
else if (r == -EACCES)
reply = dbus_error_failed(message);
else
reply = dbus_error_not_configured(message);
goto error;
}