link_with : [libshared],
dependencies : [threads,
libcrypt,
- libopenssl,
- libpwquality],
+ libopenssl],
install_rpath : rootlibexecdir,
install : true,
install_dir : rootlibexecdir)
libcrypt,
libopenssl,
libp11kit,
- libfido2,
- libpwquality],
+ libfido2],
install_rpath : rootlibexecdir,
install : true,
install_dir : rootbindir)
#include "rlimit-util.h"
#include "spawn-polkit-agent.h"
#include "terminal-util.h"
+#include "user-record-pwquality.h"
#include "user-record-show.h"
#include "user-record-util.h"
#include "user-record.h"
/* If password quality enforcement is disabled, let's at least warn client side */
- r = quality_check_password(hr, hr, &error);
+ r = user_record_quality_check_password(hr, hr, &error);
if (r < 0)
log_warning_errno(r, "Specified password does not pass quality checks (%s), proceeding anyway.", bus_error_message(&error, r));
}
#include "strv.h"
#include "user-record-sign.h"
#include "user-record-util.h"
+#include "user-record-pwquality.h"
#include "user-record.h"
#include "user-util.h"
if (h->record->enforce_password_policy == false)
log_debug("Password quality check turned off for account, skipping.");
else {
- r = quality_check_password(h->record, secret, error);
+ r = user_record_quality_check_password(h->record, secret, error);
if (r < 0)
return r;
}
if (c->enforce_password_policy == false)
log_debug("Password quality check turned off for account, skipping.");
else {
- r = quality_check_password(c, merged_secret, error);
+ r = user_record_quality_check_password(c, merged_secret, error);
if (r < 0)
return r;
}
homed-varlink.c
homed-varlink.h
homed.c
- pwquality-util.c
- pwquality-util.h
+ user-record-pwquality.c
+ user-record-pwquality.h
user-record-sign.c
user-record-sign.h
user-record-util.c
homectl-pkcs11.c
homectl-pkcs11.h
homectl.c
- pwquality-util.c
- pwquality-util.h
+ user-record-pwquality.c
+ user-record-pwquality.h
user-record-util.c
user-record-util.h
'''.split())
+++ /dev/null
-/* SPDX-License-Identifier: LGPL-2.1+ */
-
-#include <unistd.h>
-
-#if HAVE_PWQUALITY
-/* pwquality.h uses size_t but doesn't include sys/types.h on its own */
-#include <sys/types.h>
-#include <pwquality.h>
-#endif
-
-#include "bus-common-errors.h"
-#include "home-util.h"
-#include "memory-util.h"
-#include "pwquality-util.h"
-#include "strv.h"
-
-#if HAVE_PWQUALITY
-DEFINE_TRIVIAL_CLEANUP_FUNC(pwquality_settings_t*, pwquality_free_settings);
-
-static void pwquality_maybe_disable_dictionary(
- pwquality_settings_t *pwq) {
-
- char buf[PWQ_MAX_ERROR_MESSAGE_LEN];
- const char *path;
- int r;
-
- r = pwquality_get_str_value(pwq, PWQ_SETTING_DICT_PATH, &path);
- if (r < 0) {
- log_warning("Failed to read libpwquality dictionary path, ignoring: %s", pwquality_strerror(buf, sizeof(buf), r, NULL));
- return;
- }
-
- // REMOVE THIS AS SOON AS https://github.com/libpwquality/libpwquality/pull/21 IS MERGED AND RELEASED
- if (isempty(path))
- path = "/usr/share/cracklib/pw_dict.pwd.gz";
-
- if (isempty(path)) {
- log_warning("Weird, no dictionary file configured, ignoring.");
- return;
- }
-
- if (access(path, F_OK) >= 0)
- return;
-
- if (errno != ENOENT) {
- log_warning_errno(errno, "Failed to check if dictionary file %s exists, ignoring: %m", path);
- return;
- }
-
- r = pwquality_set_int_value(pwq, PWQ_SETTING_DICT_CHECK, 0);
- if (r < 0) {
- log_warning("Failed to disable libpwquality dictionary check, ignoring: %s", pwquality_strerror(buf, sizeof(buf), r, NULL));
- return;
- }
-}
-
-int quality_check_password(
- UserRecord *hr,
- UserRecord *secret,
- sd_bus_error *error) {
-
- _cleanup_(pwquality_free_settingsp) pwquality_settings_t *pwq = NULL;
- char buf[PWQ_MAX_ERROR_MESSAGE_LEN], **pp;
- void *auxerror;
- int r;
-
- assert(hr);
- assert(secret);
-
- pwq = pwquality_default_settings();
- if (!pwq)
- return log_oom();
-
- r = pwquality_read_config(pwq, NULL, &auxerror);
- if (r < 0)
- log_warning_errno(SYNTHETIC_ERRNO(EINVAL), "Failed to read libpwquality configuration, ignoring: %s",
- pwquality_strerror(buf, sizeof(buf), r, auxerror));
-
- pwquality_maybe_disable_dictionary(pwq);
-
- /* This is a bit more complex than one might think at first. pwquality_check() would like to know the
- * old password to make security checks. We support arbitrary numbers of passwords however, hence we
- * call the function once for each combination of old and new password. */
-
- /* Iterate through all new passwords */
- STRV_FOREACH(pp, secret->password) {
- bool called = false;
- char **old;
-
- r = test_password_many(hr->hashed_password, *pp);
- if (r < 0)
- return r;
- if (r == 0) /* This is an old password as it isn't listed in the hashedPassword field, skip it */
- continue;
-
- /* Check this password against all old passwords */
- STRV_FOREACH(old, secret->password) {
-
- if (streq(*pp, *old))
- continue;
-
- r = test_password_many(hr->hashed_password, *old);
- if (r < 0)
- return r;
- if (r > 0) /* This is a new password, not suitable as old password */
- continue;
-
- r = pwquality_check(pwq, *pp, *old, hr->user_name, &auxerror);
- if (r < 0)
- return sd_bus_error_setf(error, BUS_ERROR_LOW_PASSWORD_QUALITY, "Password too weak: %s",
- pwquality_strerror(buf, sizeof(buf), r, auxerror));
-
- called = true;
- }
-
- if (called)
- continue;
-
- /* If there are no old passwords, let's call pwquality_check() without any. */
- r = pwquality_check(pwq, *pp, NULL, hr->user_name, &auxerror);
- if (r < 0)
- return sd_bus_error_setf(error, BUS_ERROR_LOW_PASSWORD_QUALITY, "Password too weak: %s",
- pwquality_strerror(buf, sizeof(buf), r, auxerror));
- }
-
- return 0;
-}
-
-#define N_SUGGESTIONS 6
-
-int suggest_passwords(void) {
- _cleanup_(pwquality_free_settingsp) pwquality_settings_t *pwq = NULL;
- _cleanup_strv_free_erase_ char **suggestions = NULL;
- _cleanup_(erase_and_freep) char *joined = NULL;
- char buf[PWQ_MAX_ERROR_MESSAGE_LEN];
- void *auxerror;
- size_t i;
- int r;
-
- pwq = pwquality_default_settings();
- if (!pwq)
- return log_oom();
-
- r = pwquality_read_config(pwq, NULL, &auxerror);
- if (r < 0)
- log_warning_errno(SYNTHETIC_ERRNO(EINVAL), "Failed to read libpwquality configuration, ignoring: %s",
- pwquality_strerror(buf, sizeof(buf), r, auxerror));
-
- pwquality_maybe_disable_dictionary(pwq);
-
- suggestions = new0(char*, N_SUGGESTIONS+1);
- if (!suggestions)
- return log_oom();
-
- for (i = 0; i < N_SUGGESTIONS; i++) {
- r = pwquality_generate(pwq, 64, suggestions + i);
- if (r < 0)
- return log_error_errno(SYNTHETIC_ERRNO(EIO), "Failed to generate password, ignoring: %s",
- pwquality_strerror(buf, sizeof(buf), r, NULL));
- }
-
- joined = strv_join(suggestions, " ");
- if (!joined)
- return log_oom();
-
- log_info("Password suggestions: %s", joined);
- return 0;
-}
-
-#else
-
-int quality_check_password(
- UserRecord *hr,
- UserRecord *secret,
- sd_bus_error *error) {
-
- assert(hr);
- assert(secret);
-
- return 0;
-}
-
-int suggest_passwords(void) {
- return 0;
-}
-#endif
+++ /dev/null
-/* SPDX-License-Identifier: LGPL-2.1+ */
-#pragma once
-
-#include "sd-bus.h"
-#include "user-record.h"
-
-int quality_check_password(UserRecord *hr, UserRecord *secret, sd_bus_error *error);
-
-int suggest_passwords(void);
--- /dev/null
+/* SPDX-License-Identifier: LGPL-2.1+ */
+
+#include "bus-common-errors.h"
+#include "errno-util.h"
+#include "home-util.h"
+#include "pwquality-util.h"
+#include "strv.h"
+#include "user-record-pwquality.h"
+#include "user-record-util.h"
+
+#if HAVE_PWQUALITY
+
+int user_record_quality_check_password(
+ UserRecord *hr,
+ UserRecord *secret,
+ sd_bus_error *error) {
+
+ _cleanup_(sym_pwquality_free_settingsp) pwquality_settings_t *pwq = NULL;
+ char buf[PWQ_MAX_ERROR_MESSAGE_LEN], **pp;
+ void *auxerror;
+ int r;
+
+ assert(hr);
+ assert(secret);
+
+ r = pwq_allocate_context(&pwq);
+ if (ERRNO_IS_NOT_SUPPORTED(r))
+ return 0;
+ if (r < 0)
+ return log_debug_errno(r, "Failed to allocate libpwquality context: %m");
+
+ /* This is a bit more complex than one might think at first. pwquality_check() would like to know the
+ * old password to make security checks. We support arbitrary numbers of passwords however, hence we
+ * call the function once for each combination of old and new password. */
+
+ /* Iterate through all new passwords */
+ STRV_FOREACH(pp, secret->password) {
+ bool called = false;
+ char **old;
+
+ r = test_password_many(hr->hashed_password, *pp);
+ if (r < 0)
+ return r;
+ if (r == 0) /* This is an old password as it isn't listed in the hashedPassword field, skip it */
+ continue;
+
+ /* Check this password against all old passwords */
+ STRV_FOREACH(old, secret->password) {
+
+ if (streq(*pp, *old))
+ continue;
+
+ r = test_password_many(hr->hashed_password, *old);
+ if (r < 0)
+ return r;
+ if (r > 0) /* This is a new password, not suitable as old password */
+ continue;
+
+ r = sym_pwquality_check(pwq, *pp, *old, hr->user_name, &auxerror);
+ if (r < 0)
+ return sd_bus_error_setf(error, BUS_ERROR_LOW_PASSWORD_QUALITY, "Password too weak: %s",
+ sym_pwquality_strerror(buf, sizeof(buf), r, auxerror));
+
+ called = true;
+ }
+
+ if (called)
+ continue;
+
+ /* If there are no old passwords, let's call pwquality_check() without any. */
+ r = sym_pwquality_check(pwq, *pp, NULL, hr->user_name, &auxerror);
+ if (r < 0)
+ return sd_bus_error_setf(error, BUS_ERROR_LOW_PASSWORD_QUALITY, "Password too weak: %s",
+ sym_pwquality_strerror(buf, sizeof(buf), r, auxerror));
+ }
+
+ return 1;
+}
+
+#else
+
+int user_record_quality_check_password(
+ UserRecord *hr,
+ UserRecord *secret,
+ sd_bus_error *error) {
+
+ return 0;
+}
+
+#endif
--- /dev/null
+/* SPDX-License-Identifier: LGPL-2.1+ */
+#pragma once
+
+#include "sd-bus.h"
+#include "user-record.h"
+
+int user_record_quality_check_password(UserRecord *hr, UserRecord *secret, sd_bus_error *error);
pretty-print.h
ptyfwd.c
ptyfwd.h
+ pwquality-util.c
+ pwquality-util.h
reboot-util.c
reboot-util.h
resize-fs.c
--- /dev/null
+/* SPDX-License-Identifier: LGPL-2.1+ */
+
+#include <unistd.h>
+
+#include "dlfcn-util.h"
+#include "errno-util.h"
+#include "log.h"
+#include "macro.h"
+#include "memory-util.h"
+#include "pwquality-util.h"
+#include "strv.h"
+
+#if HAVE_PWQUALITY
+
+static void *pwquality_dl = NULL;
+
+int (*sym_pwquality_check)(pwquality_settings_t *pwq, const char *password, const char *oldpassword, const char *user, void **auxerror);
+pwquality_settings_t *(*sym_pwquality_default_settings)(void);
+void (*sym_pwquality_free_settings)(pwquality_settings_t *pwq);
+int (*sym_pwquality_generate)(pwquality_settings_t *pwq, int entropy_bits, char **password);
+int (*sym_pwquality_get_str_value)(pwquality_settings_t *pwq, int setting, const char **value);
+int (*sym_pwquality_read_config)(pwquality_settings_t *pwq, const char *cfgfile, void **auxerror);
+int (*sym_pwquality_set_int_value)(pwquality_settings_t *pwq, int setting, int value);
+const char* (*sym_pwquality_strerror)(char *buf, size_t len, int errcode, void *auxerror);
+
+int dlopen_pwquality(void) {
+ _cleanup_(dlclosep) void *dl = NULL;
+ int r;
+
+ if (pwquality_dl)
+ return 0; /* Already loaded */
+
+ dl = dlopen("libpwquality.so.1", RTLD_LAZY);
+ if (!dl)
+ return log_debug_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
+ "libpwquality support is not installed: %s", dlerror());
+
+ r = dlsym_many_and_warn(
+ dl,
+ LOG_DEBUG,
+ &sym_pwquality_check, "pwquality_check",
+ &sym_pwquality_default_settings, "pwquality_default_settings",
+ &sym_pwquality_free_settings, "pwquality_free_settings",
+ &sym_pwquality_generate, "pwquality_generate",
+ &sym_pwquality_get_str_value, "pwquality_get_str_value",
+ &sym_pwquality_read_config, "pwquality_read_config",
+ &sym_pwquality_set_int_value, "pwquality_set_int_value",
+ &sym_pwquality_strerror, "pwquality_strerror",
+ NULL);
+ if (r < 0)
+ return r;
+
+ /* Note that we never release the reference here, because there's no real reason to, after all this
+ * was traditionally a regular shared library dependency which lives forever too. */
+ pwquality_dl = TAKE_PTR(dl);
+ return 1;
+}
+
+void pwq_maybe_disable_dictionary(pwquality_settings_t *pwq) {
+ char buf[PWQ_MAX_ERROR_MESSAGE_LEN];
+ const char *path;
+ int r;
+
+ assert(pwq);
+
+ r = sym_pwquality_get_str_value(pwq, PWQ_SETTING_DICT_PATH, &path);
+ if (r < 0) {
+ log_debug("Failed to read libpwquality dictionary path, ignoring: %s",
+ sym_pwquality_strerror(buf, sizeof(buf), r, NULL));
+ return;
+ }
+
+ // REMOVE THIS AS SOON AS https://github.com/libpwquality/libpwquality/pull/21 IS MERGED AND RELEASED
+ if (isempty(path))
+ path = "/usr/share/cracklib/pw_dict.pwd.gz";
+
+ if (isempty(path)) {
+ log_debug("Weird, no dictionary file configured, ignoring.");
+ return;
+ }
+
+ if (access(path, F_OK) >= 0)
+ return;
+
+ if (errno != ENOENT) {
+ log_debug_errno(errno, "Failed to check if dictionary file %s exists, ignoring: %m", path);
+ return;
+ }
+
+ r = sym_pwquality_set_int_value(pwq, PWQ_SETTING_DICT_CHECK, 0);
+ if (r < 0)
+ log_debug("Failed to disable libpwquality dictionary check, ignoring: %s",
+ sym_pwquality_strerror(buf, sizeof(buf), r, NULL));
+}
+
+int pwq_allocate_context(pwquality_settings_t **ret) {
+ _cleanup_(sym_pwquality_free_settingsp) pwquality_settings_t *pwq = NULL;
+ char buf[PWQ_MAX_ERROR_MESSAGE_LEN];
+ void *auxerror;
+ int r;
+
+ assert(ret);
+
+ r = dlopen_pwquality();
+ if (r < 0)
+ return r;
+
+ pwq = sym_pwquality_default_settings();
+ if (!pwq)
+ return -ENOMEM;
+
+ r = sym_pwquality_read_config(pwq, NULL, &auxerror);
+ if (r < 0)
+ log_debug("Failed to read libpwquality configuration, ignoring: %s",
+ sym_pwquality_strerror(buf, sizeof(buf), r, auxerror));
+
+ pwq_maybe_disable_dictionary(pwq);
+
+ *ret = TAKE_PTR(pwq);
+ return 0;
+}
+
+#define N_SUGGESTIONS 6
+
+int suggest_passwords(void) {
+ _cleanup_(sym_pwquality_free_settingsp) pwquality_settings_t *pwq = NULL;
+ _cleanup_strv_free_erase_ char **suggestions = NULL;
+ _cleanup_(erase_and_freep) char *joined = NULL;
+ char buf[PWQ_MAX_ERROR_MESSAGE_LEN];
+ size_t i;
+ int r;
+
+ r = pwq_allocate_context(&pwq);
+ if (ERRNO_IS_NOT_SUPPORTED(r))
+ return 0;
+ if (r < 0)
+ return log_error_errno(r, "Failed to allocate libpwquality context: %m");
+
+ suggestions = new0(char*, N_SUGGESTIONS+1);
+ if (!suggestions)
+ return log_oom();
+
+ for (i = 0; i < N_SUGGESTIONS; i++) {
+ r = sym_pwquality_generate(pwq, 64, suggestions + i);
+ if (r < 0)
+ return log_error_errno(SYNTHETIC_ERRNO(EIO), "Failed to generate password, ignoring: %s",
+ sym_pwquality_strerror(buf, sizeof(buf), r, NULL));
+ }
+
+ joined = strv_join(suggestions, " ");
+ if (!joined)
+ return log_oom();
+
+ log_info("Password suggestions: %s", joined);
+ return 1;
+}
+
+#endif
--- /dev/null
+/* SPDX-License-Identifier: LGPL-2.1+ */
+#pragma once
+
+#include "macro.h"
+
+#if HAVE_PWQUALITY
+/* pwquality.h uses size_t but doesn't include sys/types.h on its own */
+#include <sys/types.h>
+#include <pwquality.h>
+
+extern int (*sym_pwquality_check)(pwquality_settings_t *pwq, const char *password, const char *oldpassword, const char *user, void **auxerror);
+extern pwquality_settings_t *(*sym_pwquality_default_settings)(void);
+extern void (*sym_pwquality_free_settings)(pwquality_settings_t *pwq);
+extern int (*sym_pwquality_generate)(pwquality_settings_t *pwq, int entropy_bits, char **password);
+extern int (*sym_pwquality_get_str_value)(pwquality_settings_t *pwq, int setting, const char **value);
+extern int (*sym_pwquality_read_config)(pwquality_settings_t *pwq, const char *cfgfile, void **auxerror);
+extern int (*sym_pwquality_set_int_value)(pwquality_settings_t *pwq, int setting, int value);
+extern const char* (*sym_pwquality_strerror)(char *buf, size_t len, int errcode, void *auxerror);
+
+int dlopen_pwquality(void);
+
+DEFINE_TRIVIAL_CLEANUP_FUNC(pwquality_settings_t*, sym_pwquality_free_settings);
+
+void pwq_maybe_disable_dictionary(pwquality_settings_t *pwq);
+int pwq_allocate_context(pwquality_settings_t **ret);
+int suggest_passwords(void);
+
+#else
+
+static inline int suggest_passwords(void) {
+ return 0;
+}
+
+#endif