diff options
Diffstat (limited to 'src/sss_client')
| -rw-r--r-- | src/sss_client/pam_sss.c | 82 | ||||
| -rw-r--r-- | src/sss_client/sss_cli.h | 23 |
2 files changed, 98 insertions, 7 deletions
diff --git a/src/sss_client/pam_sss.c b/src/sss_client/pam_sss.c index 2ba6f158..07ed4e72 100644 --- a/src/sss_client/pam_sss.c +++ b/src/sss_client/pam_sss.c @@ -3,6 +3,7 @@ Sumit Bose <sbose@redhat.com> Copyright (C) 2009 Red Hat + Copyright (C) 2010, rhafer@suse.de, Novell Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by @@ -436,6 +437,81 @@ static int user_info_offline_auth(pam_handle_t *pamh, size_t buflen, return PAM_SUCCESS; } +static int user_info_grace_login(pam_handle_t *pamh, + size_t buflen, + uint8_t *buf) +{ + int ret; + uint32_t grace; + char user_msg[256]; + + if (buflen != 2* sizeof(uint32_t)) { + D(("User info response data has the wrong size")); + return PAM_BUF_ERR; + } + memcpy(&grace, buf + sizeof(uint32_t), sizeof(uint32_t)); + ret = snprintf(user_msg, sizeof(user_msg), + _("Your password has expired. " + "You have %d grace login(s) remaining."), + grace); + if (ret < 0 || ret >= sizeof(user_msg)) { + D(("snprintf failed.")); + return PAM_SYSTEM_ERR; + } + ret = do_pam_conversation(pamh, PAM_TEXT_INFO, user_msg, NULL, NULL); + + if (ret != PAM_SUCCESS) { + D(("do_pam_conversation failed.")); + return PAM_SYSTEM_ERR; + } + + return PAM_SUCCESS; +} + +#define MINSEC 60 +#define HOURSEC (60*MINSEC) +#define DAYSEC (24*HOURSEC) +static int user_info_expire_warn(pam_handle_t *pamh, + size_t buflen, + uint8_t *buf) +{ + int ret; + uint32_t expire; + char user_msg[256]; + const char* unit="second(s)"; + + if (buflen != 2* sizeof(uint32_t)) { + D(("User info response data has the wrong size")); + return PAM_BUF_ERR; + } + memcpy(&expire, buf + sizeof(uint32_t), sizeof(uint32_t)); + if (expire >= DAYSEC) { + expire /= DAYSEC; + unit = "day(s)"; + } else if (expire >= HOURSEC) { + expire /= HOURSEC; + unit = "hour(s)"; + } else if (expire >= MINSEC) { + expire /= MINSEC; + unit = "minute(s)"; + } + + ret = snprintf(user_msg, sizeof(user_msg), + _("Your password will expire in %d %s."), expire, unit); + if (ret < 0 || ret >= sizeof(user_msg)) { + D(("snprintf failed.")); + return PAM_SYSTEM_ERR; + } + ret = do_pam_conversation(pamh, PAM_TEXT_INFO, user_msg, NULL, NULL); + + if (ret != PAM_SUCCESS) { + D(("do_pam_conversation failed.")); + return PAM_SYSTEM_ERR; + } + + return PAM_SUCCESS; +} + static int user_info_offline_auth_delayed(pam_handle_t *pamh, size_t buflen, uint8_t *buf) { @@ -563,6 +639,12 @@ static int eval_user_info_response(pam_handle_t *pamh, size_t buflen, case SSS_PAM_USER_INFO_OFFLINE_AUTH: ret = user_info_offline_auth(pamh, buflen, buf); break; + case SSS_PAM_USER_INFO_GRACE_LOGIN: + ret = user_info_grace_login(pamh, buflen, buf); + break; + case SSS_PAM_USER_INFO_EXPIRE_WARN: + ret = user_info_expire_warn(pamh, buflen, buf); + break; case SSS_PAM_USER_INFO_OFFLINE_AUTH_DELAYED: ret = user_info_offline_auth_delayed(pamh, buflen, buf); break; diff --git a/src/sss_client/sss_cli.h b/src/sss_client/sss_cli.h index 2edd158d..f3872657 100644 --- a/src/sss_client/sss_cli.h +++ b/src/sss_client/sss_cli.h @@ -377,13 +377,22 @@ enum user_info_type { * possible to change the password while * the system is offline. This message * is generated by the PAM responder. */ - SSS_PAM_USER_INFO_CHPASS_ERROR /**< Tell the user that a password change - * failed and optionally give a reason. - * @param Size of the message as unsigned - * 32-bit integer value. A value of 0 - * indicates that no message is following. - * @param String with the specified - * length. */ + SSS_PAM_USER_INFO_CHPASS_ERROR, /**< Tell the user that a password change + * failed and optionally give a reason. + * @param Size of the message as unsigned + * 32-bit integer value. A value of 0 + * indicates that no message is following. + * @param String with the specified + * length. */ + SSS_PAM_USER_INFO_GRACE_LOGIN, /**< Warn the user that the password is + * expired and inform about the remaining + * number of grace logins. + * @param The number of remaining grace + * logins as uint32_t */ + SSS_PAM_USER_INFO_EXPIRE_WARN /**< Warn the user that the password will + * expire soon. + * @param Number of seconds before the user's + * password will expire. */ }; /** * @} |