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opnsense/pam_opnsense: terminate using "\0", style update
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,94 +1,110 @@ | ||
| /** | ||
| * Copyright (C) 2016 Deciso B.V. | ||
| /* | ||
| * Copyright (C) 2016 Deciso B.V. | ||
| * All rights reserved. | ||
| * | ||
| * All rights reserved. | ||
| * Redistribution and use in source and binary forms, with or without | ||
| * modification, are permitted provided that the following conditions are met: | ||
| * | ||
| * Redistribution and use in source and binary forms, with or without | ||
| * modification, are permitted provided that the following conditions are met: | ||
| * 1. Redistributions of source code must retain the above copyright notice, | ||
| * this list of conditions and the following disclaimer. | ||
| * | ||
| * 1. Redistributions of source code must retain the above copyright notice, | ||
| * this list of conditions and the following disclaimer. | ||
| * | ||
| * 2. Redistributions in binary form must reproduce the above copyright | ||
| * notice, this list of conditions and the following disclaimer in the | ||
| * documentation and/or other materials provided with the distribution. | ||
| * | ||
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, | ||
| * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY | ||
| * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | ||
| * AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, | ||
| * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | ||
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | ||
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | ||
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||
| * POSSIBILITY OF SUCH DAMAGE. | ||
| * 2. Redistributions in binary form must reproduce the above copyright | ||
| * notice, this list of conditions and the following disclaimer in the | ||
| * documentation and/or other materials provided with the distribution. | ||
| * | ||
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, | ||
| * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY | ||
| * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | ||
| * AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, | ||
| * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | ||
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | ||
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | ||
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||
| * POSSIBILITY OF SUCH DAMAGE. | ||
| */ | ||
|
|
||
| #include <security/pam_appl.h> | ||
| #include <security/pam_modules.h> | ||
| #include <stdio.h> | ||
| #include <stdlib.h> | ||
| #include <string.h> | ||
| #include <security/pam_appl.h> | ||
| #include <security/pam_modules.h> | ||
|
|
||
| const char *auth_cmd = "/usr/local/sbin/opnsense-auth"; | ||
| static const char *auth_cmd = "/usr/local/sbin/opnsense-auth"; | ||
|
|
||
| PAM_EXTERN int pam_sm_setcred( pam_handle_t *pamh, int flags, int argc, const char **argv ) { | ||
| return PAM_SUCCESS; | ||
| PAM_EXTERN int | ||
| pam_sm_setcred(pam_handle_t *pamh, int flags, int argc, const char **argv) | ||
| { | ||
| return PAM_SUCCESS; | ||
| } | ||
|
|
||
| PAM_EXTERN int pam_sm_acct_mgmt(pam_handle_t *pamh, int flags, int argc, const char **argv) { | ||
| return PAM_SUCCESS; | ||
| PAM_EXTERN int | ||
| pam_sm_acct_mgmt(pam_handle_t *pamh, int flags, int argc, const char **argv) | ||
| { | ||
| return PAM_SUCCESS; | ||
| } | ||
|
|
||
| PAM_EXTERN int pam_sm_open_session(pam_handle_t *pamh, int flags, int argc, const char *argv[]) { | ||
| return PAM_SUCCESS; | ||
| PAM_EXTERN int | ||
| pam_sm_open_session(pam_handle_t *pamh, int flags, int argc, const char **argv) | ||
| { | ||
| return PAM_SUCCESS; | ||
| } | ||
|
|
||
| PAM_EXTERN int pam_sm_close_session(pam_handle_t *pamh, int flags, int argc, const char *argv[]) { | ||
| return PAM_SUCCESS; | ||
| PAM_EXTERN int | ||
| pam_sm_close_session(pam_handle_t *pamh, int flags, int argc, const char **argv) | ||
| { | ||
| return PAM_SUCCESS; | ||
| } | ||
|
|
||
| PAM_EXTERN int pam_sm_chauthtok(pam_handle_t *pamh, int flags, int argc, const char *argv[]) { | ||
| return PAM_SERVICE_ERR; | ||
| PAM_EXTERN int | ||
| pam_sm_chauthtok(pam_handle_t *pamh, int flags, int argc, const char **argv) | ||
| { | ||
| return PAM_SERVICE_ERR; | ||
| } | ||
|
|
||
| PAM_EXTERN int pam_sm_authenticate( pam_handle_t *pamh, int flags,int argc, const char **argv ) { | ||
| const char* user; | ||
| char *password; | ||
| char *service ; | ||
| int pam_err; | ||
| FILE *fp; | ||
|
|
||
| if ((pam_err = pam_get_user(pamh, &user, NULL)) != PAM_SUCCESS) { | ||
| return pam_err; | ||
| } | ||
|
|
||
| if ((pam_err = pam_get_item(pamh, PAM_SERVICE, (const void **)&service)) != PAM_SUCCESS) { | ||
| return pam_err; | ||
| } | ||
|
|
||
| if ((pam_err = pam_get_authtok(pamh, PAM_AUTHTOK, (const char **)&password, NULL)) != PAM_SUCCESS) { | ||
| return pam_err; | ||
| } | ||
|
|
||
| if ((fp = popen(auth_cmd, "w")) == NULL) { | ||
| return PAM_SYSTEM_ERR; | ||
| } | ||
|
|
||
| // send authentication data to script | ||
| fprintf(fp, "service=%s\n", service); | ||
| fprintf(fp, "user=%s\n", user); | ||
| fprintf(fp, "password=%s\n", password); | ||
| fprintf(fp, "\n"); // extra new line to mark end of data | ||
|
|
||
| // use exit status to authenticate | ||
| if (pclose(fp)) { | ||
| pam_err = PAM_AUTH_ERR; | ||
| } | ||
|
|
||
| free(password); | ||
|
|
||
| return pam_err; | ||
| PAM_EXTERN int | ||
| pam_sm_authenticate(pam_handle_t *pamh, int flags,int argc, const char **argv) | ||
| { | ||
| const char *user; | ||
| char *password; | ||
| char *service; | ||
| int pam_err; | ||
| FILE *fp; | ||
|
|
||
| pam_err = pam_get_user(pamh, &user, NULL); | ||
| if (pam_err != PAM_SUCCESS) { | ||
| return pam_err; | ||
| } | ||
|
|
||
| pam_err = pam_get_item(pamh, PAM_SERVICE, (const void **)&service); | ||
| if (pam_err != PAM_SUCCESS) { | ||
| return pam_err; | ||
| } | ||
|
|
||
| pam_err = pam_get_authtok(pamh, PAM_AUTHTOK, (const char **)&password, | ||
| NULL); | ||
| if (pam_err != PAM_SUCCESS) { | ||
| return pam_err; | ||
| } | ||
|
|
||
| fp = popen(auth_cmd, "w"); | ||
| if (!fp) { | ||
| return PAM_SYSTEM_ERR; | ||
| } | ||
|
|
||
| /* send authentication data to script */ | ||
| fprintf(fp, "service=%s%c", service, 0); | ||
| fprintf(fp, "user=%s%c", user, 0); | ||
| fprintf(fp, "password=%s%c", password, 0); | ||
| /* extra NUL to mark end of data */ | ||
| fprintf(fp, "%c", 0); | ||
|
|
||
| /* use exit status to authenticate */ | ||
| if (pclose(fp)) { | ||
| pam_err = PAM_AUTH_ERR; | ||
| } | ||
|
|
||
| free(password); | ||
|
|
||
| return (pam_err); | ||
| } |