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-rw-r--r--crypto/heimdal/lib/auth/sia/sia.c703
1 files changed, 0 insertions, 703 deletions
diff --git a/crypto/heimdal/lib/auth/sia/sia.c b/crypto/heimdal/lib/auth/sia/sia.c
deleted file mode 100644
index 640b868..0000000
--- a/crypto/heimdal/lib/auth/sia/sia.c
+++ /dev/null
@@ -1,703 +0,0 @@
-/*
- * Copyright (c) 1995-2001 Kungliga Tekniska Högskolan
- * (Royal Institute of Technology, Stockholm, Sweden).
- * All rights reserved.
- *
- * 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.
- *
- * 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.
- *
- * 3. Neither the name of the Institute nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``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 INSTITUTE OR CONTRIBUTORS 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 "sia_locl.h"
-
-RCSID("$Id: sia.c 14838 2005-04-19 04:41:07Z lha $");
-
-int
-siad_init(void)
-{
- return SIADSUCCESS;
-}
-
-int
-siad_chk_invoker(void)
-{
- SIA_DEBUG(("DEBUG", "siad_chk_invoker"));
- return SIADFAIL;
-}
-
-int
-siad_ses_init(SIAENTITY *entity, int pkgind)
-{
- struct state *s = malloc(sizeof(*s));
-
- SIA_DEBUG(("DEBUG", "siad_ses_init"));
- if(s == NULL)
- return SIADFAIL;
- memset(s, 0, sizeof(*s));
-#ifdef SIA_KRB5
- {
- krb5_error_code ret;
- ret = krb5_init_context(&s->context);
- if (ret)
- return SIADFAIL;
- }
-#endif
- entity->mech[pkgind] = (int*)s;
- return SIADSUCCESS;
-}
-
-static int
-setup_name(SIAENTITY *e, prompt_t *p)
-{
- SIA_DEBUG(("DEBUG", "setup_name"));
- e->name = malloc(SIANAMEMIN + 1);
- if(e->name == NULL){
- SIA_DEBUG(("DEBUG", "failed to malloc %u bytes", SIANAMEMIN+1));
- return SIADFAIL;
- }
- p->prompt = (unsigned char*)"login: ";
- p->result = (unsigned char*)e->name;
- p->min_result_length = 1;
- p->max_result_length = SIANAMEMIN;
- p->control_flags = 0;
- return SIADSUCCESS;
-}
-
-static int
-setup_password(SIAENTITY *e, prompt_t *p)
-{
- SIA_DEBUG(("DEBUG", "setup_password"));
- e->password = malloc(SIAMXPASSWORD + 1);
- if(e->password == NULL){
- SIA_DEBUG(("DEBUG", "failed to malloc %u bytes", SIAMXPASSWORD+1));
- return SIADFAIL;
- }
- p->prompt = (unsigned char*)"Password: ";
- p->result = (unsigned char*)e->password;
- p->min_result_length = 0;
- p->max_result_length = SIAMXPASSWORD;
- p->control_flags = SIARESINVIS;
- return SIADSUCCESS;
-}
-
-
-static int
-doauth(SIAENTITY *entity, int pkgind, char *name)
-{
- struct passwd pw, *pwd;
- char pwbuf[1024];
- struct state *s = (struct state*)entity->mech[pkgind];
-#ifdef SIA_KRB5
- krb5_realm *realms, *r;
- krb5_principal principal;
- krb5_ccache ccache;
- krb5_error_code ret;
-#endif
-#ifdef SIA_KRB4
- char realm[REALM_SZ];
- char *toname, *toinst;
- int ret;
- struct passwd fpw, *fpwd;
- char fpwbuf[1024];
- int secure;
-#endif
-
- if(getpwnam_r(name, &pw, pwbuf, sizeof(pwbuf), &pwd) != 0 || pwd == NULL){
- SIA_DEBUG(("DEBUG", "failed to getpwnam(%s)", name));
- return SIADFAIL;
- }
-
-#ifdef SIA_KRB5
- ret = krb5_get_default_realms(s->context, &realms);
-
- for (r = realms; *r != NULL; ++r) {
- krb5_make_principal (s->context, &principal, *r, entity->name, NULL);
-
- if(krb5_kuserok(s->context, principal, entity->name))
- break;
- }
- krb5_free_host_realm (s->context, realms);
- if (*r == NULL)
- return SIADFAIL;
-
- sprintf(s->ticket, "FILE:/tmp/krb5_cc%d_%d", pwd->pw_uid, getpid());
- ret = krb5_cc_resolve(s->context, s->ticket, &ccache);
- if(ret)
- return SIADFAIL;
-#endif
-
-#ifdef SIA_KRB4
- snprintf(s->ticket, sizeof(s->ticket),
- "%s%u_%u", TKT_ROOT, (unsigned)pwd->pw_uid, (unsigned)getpid());
- krb_get_lrealm(realm, 1);
- toname = name;
- toinst = "";
- if(entity->authtype == SIA_A_SUAUTH){
- uid_t ouid;
-#ifdef HAVE_SIAENTITY_OUID
- ouid = entity->ouid;
-#else
- ouid = getuid();
-#endif
- if(getpwuid_r(ouid, &fpw, fpwbuf, sizeof(fpwbuf), &fpwd) != 0 || fpwd == NULL){
- SIA_DEBUG(("DEBUG", "failed to getpwuid(%u)", ouid));
- return SIADFAIL;
- }
- snprintf(s->ticket, sizeof(s->ticket), "%s_%s_to_%s_%d",
- TKT_ROOT, fpwd->pw_name, pwd->pw_name, getpid());
- if(strcmp(pwd->pw_name, "root") == 0){
- toname = fpwd->pw_name;
- toinst = pwd->pw_name;
- }
- }
- if(entity->authtype == SIA_A_REAUTH)
- snprintf(s->ticket, sizeof(s->ticket), "%s", tkt_string());
-
- krb_set_tkt_string(s->ticket);
-
- setuid(0); /* XXX fix for fix in tf_util.c */
- if(krb_kuserok(toname, toinst, realm, name)){
- SIA_DEBUG(("DEBUG", "%s.%s@%s is not allowed to login as %s",
- toname, toinst, realm, name));
- return SIADFAIL;
- }
-#endif
-#ifdef SIA_KRB5
- ret = krb5_verify_user_lrealm(s->context, principal, ccache,
- entity->password, 1, NULL);
- if(ret){
- /* if this is most likely a local user (such as
- root), just silently return failure when the
- principal doesn't exist */
- if(ret != KRB5KDC_ERR_C_PRINCIPAL_UNKNOWN &&
- ret != KRB5KDC_ERR_S_PRINCIPAL_UNKNOWN)
- SIALOG("WARNING", "krb5_verify_user(%s): %s",
- entity->name, error_message(ret));
- return SIADFAIL;
- }
-#endif
-#ifdef SIA_KRB4
- if (getuid () == 0)
- secure = KRB_VERIFY_SECURE;
- else
- secure = KRB_VERIFY_NOT_SECURE;
-
- ret = krb_verify_user(toname, toinst, realm,
- entity->password, secure, NULL);
- if(ret){
- SIA_DEBUG(("DEBUG", "krb_verify_user: %s", krb_get_err_text(ret)));
- if(ret != KDC_PR_UNKNOWN)
- /* since this is most likely a local user (such as
- root), just silently return failure when the
- principal doesn't exist */
- SIALOG("WARNING", "krb_verify_user(%s.%s): %s",
- toname, toinst, krb_get_err_text(ret));
- return SIADFAIL;
- }
-#endif
- if(sia_make_entity_pwd(pwd, entity) == SIAFAIL)
- return SIADFAIL;
- s->valid = 1;
- return SIADSUCCESS;
-}
-
-
-static int
-common_auth(sia_collect_func_t *collect,
- SIAENTITY *entity,
- int siastat,
- int pkgind)
-{
- prompt_t prompts[2], *pr;
- char *name;
-
- SIA_DEBUG(("DEBUG", "common_auth"));
- if((siastat == SIADSUCCESS) && (geteuid() == 0))
- return SIADSUCCESS;
- if(entity == NULL) {
- SIA_DEBUG(("DEBUG", "entity == NULL"));
- return SIADFAIL | SIADSTOP;
- }
- name = entity->name;
- if(entity->acctname)
- name = entity->acctname;
-
- if((collect != NULL) && entity->colinput) {
- int num;
- pr = prompts;
- if(name == NULL){
- if(setup_name(entity, pr) != SIADSUCCESS)
- return SIADFAIL;
- pr++;
- }
- if(entity->password == NULL){
- if(setup_password(entity, pr) != SIADSUCCESS)
- return SIADFAIL;
- pr++;
- }
- num = pr - prompts;
- if(num == 1){
- if((*collect)(240, SIAONELINER, (unsigned char*)"", num,
- prompts) != SIACOLSUCCESS){
- SIA_DEBUG(("DEBUG", "collect failed"));
- return SIADFAIL | SIADSTOP;
- }
- } else if(num > 0){
- if((*collect)(0, SIAFORM, (unsigned char*)"", num,
- prompts) != SIACOLSUCCESS){
- SIA_DEBUG(("DEBUG", "collect failed"));
- return SIADFAIL | SIADSTOP;
- }
- }
- }
- if(name == NULL)
- name = entity->name;
- if(name == NULL || name[0] == '\0'){
- SIA_DEBUG(("DEBUG", "name is null"));
- return SIADFAIL;
- }
-
- if(entity->password == NULL || strlen(entity->password) > SIAMXPASSWORD){
- SIA_DEBUG(("DEBUG", "entity->password is null"));
- return SIADFAIL;
- }
-
- return doauth(entity, pkgind, name);
-}
-
-
-int
-siad_ses_authent(sia_collect_func_t *collect,
- SIAENTITY *entity,
- int siastat,
- int pkgind)
-{
- SIA_DEBUG(("DEBUG", "siad_ses_authent"));
- return common_auth(collect, entity, siastat, pkgind);
-}
-
-int
-siad_ses_estab(sia_collect_func_t *collect,
- SIAENTITY *entity, int pkgind)
-{
- SIA_DEBUG(("DEBUG", "siad_ses_estab"));
- return SIADFAIL;
-}
-
-int
-siad_ses_launch(sia_collect_func_t *collect,
- SIAENTITY *entity,
- int pkgind)
-{
- static char env[MaxPathLen];
- struct state *s = (struct state*)entity->mech[pkgind];
- SIA_DEBUG(("DEBUG", "siad_ses_launch"));
- if(s->valid){
-#ifdef SIA_KRB5
- chown(s->ticket + sizeof("FILE:") - 1,
- entity->pwd->pw_uid,
- entity->pwd->pw_gid);
- snprintf(env, sizeof(env), "KRB5CCNAME=%s", s->ticket);
-#endif
-#ifdef SIA_KRB4
- chown(s->ticket, entity->pwd->pw_uid, entity->pwd->pw_gid);
- snprintf(env, sizeof(env), "KRBTKFILE=%s", s->ticket);
-#endif
- putenv(env);
- }
-#ifdef SIA_KRB5
- if (k_hasafs()) {
- char cell[64];
- krb5_ccache ccache;
- if(krb5_cc_resolve(s->context, s->ticket, &ccache) == 0) {
- k_setpag();
- if(k_afs_cell_of_file(entity->pwd->pw_dir, cell, sizeof(cell)) == 0)
- krb5_afslog(s->context, ccache, cell, 0);
- krb5_afslog_home(s->context, ccache, 0, 0, entity->pwd->pw_dir);
- }
- }
-#endif
-#ifdef SIA_KRB4
- if (k_hasafs()) {
- char cell[64];
- k_setpag();
- if(k_afs_cell_of_file(entity->pwd->pw_dir, cell, sizeof(cell)) == 0)
- krb_afslog(cell, 0);
- krb_afslog_home(0, 0, entity->pwd->pw_dir);
- }
-#endif
- return SIADSUCCESS;
-}
-
-int
-siad_ses_release(SIAENTITY *entity, int pkgind)
-{
- SIA_DEBUG(("DEBUG", "siad_ses_release"));
- if(entity->mech[pkgind]){
-#ifdef SIA_KRB5
- struct state *s = (struct state*)entity->mech[pkgind];
- krb5_free_context(s->context);
-#endif
- free(entity->mech[pkgind]);
- }
- return SIADSUCCESS;
-}
-
-int
-siad_ses_suauthent(sia_collect_func_t *collect,
- SIAENTITY *entity,
- int siastat,
- int pkgind)
-{
- SIA_DEBUG(("DEBUG", "siad_ses_suauth"));
- if(geteuid() != 0)
- return SIADFAIL;
- if(entity->name == NULL)
- return SIADFAIL;
- if(entity->name[0] == '\0') {
- free(entity->name);
- entity->name = strdup("root");
- if (entity->name == NULL)
- return SIADFAIL;
- }
- return common_auth(collect, entity, siastat, pkgind);
-}
-
-int
-siad_ses_reauthent (sia_collect_func_t *collect,
- SIAENTITY *entity,
- int siastat,
- int pkgind)
-{
- int ret;
- SIA_DEBUG(("DEBUG", "siad_ses_reauthent"));
- if(entity == NULL || entity->name == NULL)
- return SIADFAIL;
- ret = common_auth(collect, entity, siastat, pkgind);
- if((ret & SIADSUCCESS)){
- /* launch isn't (always?) called when doing reauth, so we must
- duplicate some code here... */
- struct state *s = (struct state*)entity->mech[pkgind];
- chown(s->ticket, entity->pwd->pw_uid, entity->pwd->pw_gid);
-#ifdef SIA_KRB5
- if (k_hasafs()) {
- char cell[64];
- krb5_ccache ccache;
- if(krb5_cc_resolve(s->context, s->ticket, &ccache) == 0) {
- k_setpag();
- if(k_afs_cell_of_file(entity->pwd->pw_dir,
- cell, sizeof(cell)) == 0)
- krb5_afslog(s->context, ccache, cell, 0);
- krb5_afslog_home(s->context, ccache, 0, 0, entity->pwd->pw_dir);
- }
- }
-#endif
-#ifdef SIA_KRB4
- if(k_hasafs()) {
- char cell[64];
- if(k_afs_cell_of_file(entity->pwd->pw_dir,
- cell, sizeof(cell)) == 0)
- krb_afslog(cell, 0);
- krb_afslog_home(0, 0, entity->pwd->pw_dir);
- }
-#endif
- }
- return ret;
-}
-
-int
-siad_chg_finger (sia_collect_func_t *collect,
- const char *username,
- int argc,
- char *argv[])
-{
- SIA_DEBUG(("DEBUG", "siad_chg_finger"));
- return SIADFAIL;
-}
-
-#ifdef SIA_KRB5
-int
-siad_chg_password (sia_collect_func_t *collect,
- const char *username,
- int argc,
- char *argv[])
-{
- return SIADFAIL;
-}
-#endif
-
-#ifdef SIA_KRB4
-static void
-sia_message(sia_collect_func_t *collect, int rendition,
- const char *title, const char *message)
-{
- prompt_t prompt;
- prompt.prompt = (unsigned char*)message;
- (*collect)(0, rendition, (unsigned char*)title, 1, &prompt);
-}
-
-static int
-init_change(sia_collect_func_t *collect, krb_principal *princ)
-{
- prompt_t prompt;
- char old_pw[MAX_KPW_LEN+1];
- char *msg;
- char tktstring[128];
- int ret;
-
- SIA_DEBUG(("DEBUG", "init_change"));
- prompt.prompt = (unsigned char*)"Old password: ";
- prompt.result = (unsigned char*)old_pw;
- prompt.min_result_length = 0;
- prompt.max_result_length = sizeof(old_pw) - 1;
- prompt.control_flags = SIARESINVIS;
- asprintf(&msg, "Changing password for %s", krb_unparse_name(princ));
- if(msg == NULL){
- SIA_DEBUG(("DEBUG", "out of memory"));
- return SIADFAIL;
- }
- ret = (*collect)(60, SIAONELINER, (unsigned char*)msg, 1, &prompt);
- free(msg);
- SIA_DEBUG(("DEBUG", "ret = %d", ret));
- if(ret != SIACOLSUCCESS)
- return SIADFAIL;
- snprintf(tktstring, sizeof(tktstring),
- "%s_cpw_%u", TKT_ROOT, (unsigned)getpid());
- krb_set_tkt_string(tktstring);
-
- ret = krb_get_pw_in_tkt(princ->name, princ->instance, princ->realm,
- PWSERV_NAME, KADM_SINST, 1, old_pw);
- if (ret != KSUCCESS) {
- SIA_DEBUG(("DEBUG", "krb_get_pw_in_tkt: %s", krb_get_err_text(ret)));
- if (ret == INTK_BADPW)
- sia_message(collect, SIAWARNING, "", "Incorrect old password.");
- else
- sia_message(collect, SIAWARNING, "", "Kerberos error.");
- memset(old_pw, 0, sizeof(old_pw));
- return SIADFAIL;
- }
- if(chown(tktstring, getuid(), -1) < 0){
- dest_tkt();
- return SIADFAIL;
- }
- memset(old_pw, 0, sizeof(old_pw));
- return SIADSUCCESS;
-}
-
-int
-siad_chg_password (sia_collect_func_t *collect,
- const char *username,
- int argc,
- char *argv[])
-{
- prompt_t prompts[2];
- krb_principal princ;
- int ret;
- char new_pw1[MAX_KPW_LEN+1];
- char new_pw2[MAX_KPW_LEN+1];
- static struct et_list *et_list;
-
- setprogname(argv[0]);
-
- SIA_DEBUG(("DEBUG", "siad_chg_password"));
- if(collect == NULL)
- return SIADFAIL;
-
- if(username == NULL)
- username = getlogin();
-
- ret = krb_parse_name(username, &princ);
- if(ret)
- return SIADFAIL;
- if(princ.realm[0] == '\0')
- krb_get_lrealm(princ.realm, 1);
-
- if(et_list == NULL) {
- initialize_kadm_error_table_r(&et_list);
- initialize_krb_error_table_r(&et_list);
- }
-
- ret = init_change(collect, &princ);
- if(ret != SIADSUCCESS)
- return ret;
-
-again:
- prompts[0].prompt = (unsigned char*)"New password: ";
- prompts[0].result = (unsigned char*)new_pw1;
- prompts[0].min_result_length = MIN_KPW_LEN;
- prompts[0].max_result_length = sizeof(new_pw1) - 1;
- prompts[0].control_flags = SIARESINVIS;
- prompts[1].prompt = (unsigned char*)"Verify new password: ";
- prompts[1].result = (unsigned char*)new_pw2;
- prompts[1].min_result_length = MIN_KPW_LEN;
- prompts[1].max_result_length = sizeof(new_pw2) - 1;
- prompts[1].control_flags = SIARESINVIS;
- if((*collect)(120, SIAFORM, (unsigned char*)"", 2, prompts) !=
- SIACOLSUCCESS) {
- dest_tkt();
- return SIADFAIL;
- }
- if(strcmp(new_pw1, new_pw2) != 0){
- sia_message(collect, SIAWARNING, "", "Password mismatch.");
- goto again;
- }
- ret = kadm_check_pw(new_pw1);
- if(ret) {
- sia_message(collect, SIAWARNING, "", com_right(et_list, ret));
- goto again;
- }
-
- memset(new_pw2, 0, sizeof(new_pw2));
- ret = kadm_init_link (PWSERV_NAME, KRB_MASTER, princ.realm);
- if (ret != KADM_SUCCESS)
- sia_message(collect, SIAWARNING, "Error initing kadmin connection",
- com_right(et_list, ret));
- else {
- des_cblock newkey;
- char *pw_msg; /* message from server */
-
- des_string_to_key(new_pw1, &newkey);
- ret = kadm_change_pw_plain((unsigned char*)&newkey, new_pw1, &pw_msg);
- memset(newkey, 0, sizeof(newkey));
-
- if (ret == KADM_INSECURE_PW)
- sia_message(collect, SIAWARNING, "Insecure password", pw_msg);
- else if (ret != KADM_SUCCESS)
- sia_message(collect, SIAWARNING, "Error changing password",
- com_right(et_list, ret));
- }
- memset(new_pw1, 0, sizeof(new_pw1));
-
- if (ret != KADM_SUCCESS)
- sia_message(collect, SIAWARNING, "", "Password NOT changed.");
- else
- sia_message(collect, SIAINFO, "", "Password changed.");
-
- dest_tkt();
- if(ret)
- return SIADFAIL;
- return SIADSUCCESS;
-}
-#endif
-
-int
-siad_chg_shell (sia_collect_func_t *collect,
- const char *username,
- int argc,
- char *argv[])
-{
- return SIADFAIL;
-}
-
-int
-siad_getpwent(struct passwd *result,
- char *buf,
- int bufsize,
- struct sia_context *context)
-{
- return SIADFAIL;
-}
-
-int
-siad_getpwuid (uid_t uid,
- struct passwd *result,
- char *buf,
- int bufsize,
- struct sia_context *context)
-{
- return SIADFAIL;
-}
-
-int
-siad_getpwnam (const char *name,
- struct passwd *result,
- char *buf,
- int bufsize,
- struct sia_context *context)
-{
- return SIADFAIL;
-}
-
-int
-siad_setpwent (struct sia_context *context)
-{
- return SIADFAIL;
-}
-
-int
-siad_endpwent (struct sia_context *context)
-{
- return SIADFAIL;
-}
-
-int
-siad_getgrent(struct group *result,
- char *buf,
- int bufsize,
- struct sia_context *context)
-{
- return SIADFAIL;
-}
-
-int
-siad_getgrgid (gid_t gid,
- struct group *result,
- char *buf,
- int bufsize,
- struct sia_context *context)
-{
- return SIADFAIL;
-}
-
-int
-siad_getgrnam (const char *name,
- struct group *result,
- char *buf,
- int bufsize,
- struct sia_context *context)
-{
- return SIADFAIL;
-}
-
-int
-siad_setgrent (struct sia_context *context)
-{
- return SIADFAIL;
-}
-
-int
-siad_endgrent (struct sia_context *context)
-{
- return SIADFAIL;
-}
-
-int
-siad_chk_user (const char *logname, int checkflag)
-{
- if(checkflag != CHGPASSWD)
- return SIADFAIL;
- return SIADSUCCESS;
-}
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