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-rw-r--r--src/providers/data_provider.h4
-rw-r--r--src/providers/dp_auth_util.c6
-rw-r--r--src/providers/krb5/krb5_auth.c46
-rw-r--r--src/providers/krb5/krb5_auth.h3
-rw-r--r--src/providers/krb5/krb5_child.c71
-rw-r--r--src/providers/krb5/krb5_utils.c8
-rw-r--r--src/responder/pam/pamsrv_cmd.c18
-rw-r--r--src/tests/krb5_utils-tests.c4
8 files changed, 71 insertions, 89 deletions
diff --git a/src/providers/data_provider.h b/src/providers/data_provider.h
index 76ba4cff..c43b9885 100644
--- a/src/providers/data_provider.h
+++ b/src/providers/data_provider.h
@@ -112,10 +112,6 @@ struct pam_data {
bool offline_auth;
bool last_auth_saved;
int priv;
- uid_t pw_uid;
- gid_t gr_gid;
-
- const char *upn;
};
/* from dp_auth_util.c */
diff --git a/src/providers/dp_auth_util.c b/src/providers/dp_auth_util.c
index 39cc0f60..16fb28c7 100644
--- a/src/providers/dp_auth_util.c
+++ b/src/providers/dp_auth_util.c
@@ -35,8 +35,6 @@ void pam_print_data(int l, struct pam_data *pd)
DEBUG(l, ("newauthtok type: %d\n", pd->newauthtok_type));
DEBUG(l, ("newauthtok size: %d\n", pd->newauthtok_size));
DEBUG(l, ("priv: %d\n", pd->priv));
- DEBUG(l, ("pw_uid: %d\n", pd->pw_uid));
- DEBUG(l, ("gr_gid: %d\n", pd->gr_gid));
DEBUG(l, ("cli_pid: %d\n", pd->cli_pid));
}
@@ -86,8 +84,6 @@ bool dp_pack_pam_request(DBusMessage *msg, struct pam_data *pd)
&(pd->newauthtok),
pd->newauthtok_size,
DBUS_TYPE_INT32, &(pd->priv),
- DBUS_TYPE_INT32, &(pd->pw_uid),
- DBUS_TYPE_INT32, &(pd->gr_gid),
DBUS_TYPE_UINT32, &(pd->cli_pid),
DBUS_TYPE_INVALID);
@@ -115,8 +111,6 @@ bool dp_unpack_pam_request(DBusMessage *msg, struct pam_data *pd, DBusError *dbu
&(pd->newauthtok),
&(pd->newauthtok_size),
DBUS_TYPE_INT32, &(pd->priv),
- DBUS_TYPE_INT32, &(pd->pw_uid),
- DBUS_TYPE_INT32, &(pd->gr_gid),
DBUS_TYPE_UINT32, &(pd->cli_pid),
DBUS_TYPE_INVALID);
diff --git a/src/providers/krb5/krb5_auth.c b/src/providers/krb5/krb5_auth.c
index 19bc998e..0e5230c6 100644
--- a/src/providers/krb5/krb5_auth.c
+++ b/src/providers/krb5/krb5_auth.c
@@ -316,7 +316,7 @@ errno_t create_send_buffer(struct krb5child_req *kr, struct io_buffer **io_buf)
return ENOMEM;
}
- buf->size = 9*sizeof(uint32_t) + strlen(kr->pd->upn) + strlen(kr->ccname) +
+ buf->size = 9*sizeof(uint32_t) + strlen(kr->upn) + strlen(kr->ccname) +
strlen(keytab) +
kr->pd->authtok_size;
if (kr->pd->cmd == SSS_PAM_CHAUTHTOK) {
@@ -332,13 +332,13 @@ errno_t create_send_buffer(struct krb5child_req *kr, struct io_buffer **io_buf)
rp = 0;
COPY_UINT32(&buf->data[rp], &kr->pd->cmd, rp);
- COPY_UINT32(&buf->data[rp], &kr->pd->pw_uid, rp);
- COPY_UINT32(&buf->data[rp], &kr->pd->gr_gid, rp);
+ COPY_UINT32(&buf->data[rp], &kr->uid, rp);
+ COPY_UINT32(&buf->data[rp], &kr->gid, rp);
COPY_UINT32(&buf->data[rp], &validate, rp);
COPY_UINT32(&buf->data[rp], &kr->is_offline, rp);
- COPY_UINT32_VALUE(&buf->data[rp], strlen(kr->pd->upn), rp);
- COPY_MEM(&buf->data[rp], kr->pd->upn, rp, strlen(kr->pd->upn));
+ COPY_UINT32_VALUE(&buf->data[rp], strlen(kr->upn), rp);
+ COPY_MEM(&buf->data[rp], kr->upn, rp, strlen(kr->upn));
COPY_UINT32_VALUE(&buf->data[rp], strlen(kr->ccname), rp);
COPY_MEM(&buf->data[rp], kr->ccname, rp, strlen(kr->ccname));
@@ -516,7 +516,7 @@ static errno_t fork_child(struct krb5child_req *kr)
* ccache file. In this case we can drop the privileges, too. */
if (!dp_opt_get_bool(kr->krb5_ctx->opts, KRB5_VALIDATE) ||
kr->pd->authtok_size == 0) {
- ret = become_user(kr->pd->pw_uid, kr->pd->gr_gid);
+ ret = become_user(kr->uid, kr->gid);
if (ret != EOK) {
DEBUG(1, ("become_user failed.\n"));
return ret;
@@ -718,7 +718,7 @@ void krb5_pam_handler(struct be_req *be_req)
goto done;
}
- attrs = talloc_array(be_req, const char *, 4);
+ attrs = talloc_array(be_req, const char *, 6);
if (attrs == NULL) {
goto done;
}
@@ -726,7 +726,9 @@ void krb5_pam_handler(struct be_req *be_req)
attrs[0] = SYSDB_UPN;
attrs[1] = SYSDB_HOMEDIR;
attrs[2] = SYSDB_CCACHE_FILE;
- attrs[3] = NULL;
+ attrs[3] = SYSDB_UIDNUM;
+ attrs[4] = SYSDB_GIDNUM;
+ attrs[5] = NULL;
ret = sysdb_get_user_attr(be_req, be_req->be_ctx->sysdb,
be_req->be_ctx->domain, pd->user, attrs,
@@ -753,7 +755,7 @@ static void get_user_attr_done(void *pvt, int err, struct ldb_result *res)
krb5_error_code kerr;
int ret;
struct pam_data *pd = talloc_get_type(be_req->req_data, struct pam_data);
- int pam_status=PAM_SYSTEM_ERR;
+ int pam_status = PAM_SYSTEM_ERR;
int dp_err = DP_ERR_FATAL;
const char *ccache_file = NULL;
const char *realm;
@@ -784,15 +786,15 @@ static void get_user_attr_done(void *pvt, int err, struct ldb_result *res)
break;
case 1:
- pd->upn = ldb_msg_find_attr_as_string(res->msgs[0], SYSDB_UPN, NULL);
- if (pd->upn == NULL) {
+ kr->upn = ldb_msg_find_attr_as_string(res->msgs[0], SYSDB_UPN, NULL);
+ if (kr->upn == NULL) {
/* NOTE: this is a hack, works only in some environments */
- pd->upn = talloc_asprintf(be_req, "%s@%s", pd->user, realm);
- if (pd->upn == NULL) {
+ kr->upn = talloc_asprintf(be_req, "%s@%s", pd->user, realm);
+ if (kr->upn == NULL) {
DEBUG(1, ("failed to build simple upn.\n"));
goto failed;
}
- DEBUG(9, ("Using simple UPN [%s].\n", pd->upn));
+ DEBUG(9, ("Using simple UPN [%s].\n", kr->upn));
}
kr->homedir = ldb_msg_find_attr_as_string(res->msgs[0], SYSDB_HOMEDIR,
@@ -801,18 +803,30 @@ static void get_user_attr_done(void *pvt, int err, struct ldb_result *res)
DEBUG(4, ("Home directory for user [%s] not known.\n", pd->user));
}
+ kr->uid = ldb_msg_find_attr_as_uint64(res->msgs[0], SYSDB_UIDNUM, 0);
+ if (kr->uid == 0) {
+ DEBUG(4, ("UID for user [%s] not known.\n", pd->user));
+ goto failed;
+ }
+
+ kr->gid = ldb_msg_find_attr_as_uint64(res->msgs[0], SYSDB_GIDNUM, 0);
+ if (kr->gid == 0) {
+ DEBUG(4, ("GID for user [%s] not known.\n", pd->user));
+ goto failed;
+ }
+
ccache_file = ldb_msg_find_attr_as_string(res->msgs[0],
SYSDB_CCACHE_FILE,
NULL);
if (ccache_file != NULL) {
- ret = check_if_ccache_file_is_used(pd->pw_uid, ccache_file,
+ ret = check_if_ccache_file_is_used(kr->uid, ccache_file,
&kr->active_ccache_present);
if (ret != EOK) {
DEBUG(1, ("check_if_ccache_file_is_used failed.\n"));
goto failed;
}
- kerr = check_for_valid_tgt(ccache_file, realm, pd->upn,
+ kerr = check_for_valid_tgt(ccache_file, realm, kr->upn,
&kr->valid_tgt_present);
if (kerr != 0) {
DEBUG(1, ("check_for_valid_tgt failed.\n"));
diff --git a/src/providers/krb5/krb5_auth.h b/src/providers/krb5/krb5_auth.h
index a011af89..3e11f270 100644
--- a/src/providers/krb5/krb5_auth.h
+++ b/src/providers/krb5/krb5_auth.h
@@ -48,6 +48,9 @@ struct krb5child_req {
const char *ccname;
const char *homedir;
+ const char *upn;
+ uid_t uid;
+ gid_t gid;
bool is_offline;
struct fo_server *srv;
bool active_ccache_present;
diff --git a/src/providers/krb5/krb5_child.c b/src/providers/krb5/krb5_child.c
index 5e185940..d1cc53fd 100644
--- a/src/providers/krb5/krb5_child.c
+++ b/src/providers/krb5/krb5_child.c
@@ -89,6 +89,10 @@ struct krb5_req {
char *ccname;
char *keytab;
bool validate;
+
+ const char *upn;
+ uid_t uid;
+ gid_t gid;
};
static krb5_context krb5_error_ctx;
@@ -507,7 +511,7 @@ static krb5_error_code get_and_save_tgt(struct krb5_req *kr,
/* We drop root privileges which were needed to read the keytab file
* for the validation validation of the credentials here to run the
* ccache I/O operations with user privileges. */
- ret = become_user(kr->pd->pw_uid, kr->pd->gr_gid);
+ ret = become_user(kr->uid, kr->gid);
if (ret != EOK) {
DEBUG(1, ("become_user failed.\n"));
return ret;
@@ -723,34 +727,35 @@ static errno_t create_empty_ccache(int fd, struct krb5_req *kr)
}
static errno_t unpack_buffer(uint8_t *buf, size_t size, struct pam_data *pd,
- char **ccname, char **keytab, uint32_t *validate,
- uint32_t *offline)
+ struct krb5_req *kr, uint32_t *offline)
{
size_t p = 0;
uint32_t len;
+ uint32_t validate;
COPY_UINT32_CHECK(&pd->cmd, buf + p, p, size);
- COPY_UINT32_CHECK(&pd->pw_uid, buf + p, p, size);
- COPY_UINT32_CHECK(&pd->gr_gid, buf + p, p, size);
- COPY_UINT32_CHECK(validate, buf + p, p, size);
+ COPY_UINT32_CHECK(&kr->uid, buf + p, p, size);
+ COPY_UINT32_CHECK(&kr->gid, buf + p, p, size);
+ COPY_UINT32_CHECK(&validate, buf + p, p, size);
+ kr->validate = (validate == 0) ? false : true;
COPY_UINT32_CHECK(offline, buf + p, p, size);
COPY_UINT32_CHECK(&len, buf + p, p, size);
if ((p + len ) > size) return EINVAL;
- pd->upn = talloc_strndup(pd, (char *)(buf + p), len);
- if (pd->upn == NULL) return ENOMEM;
+ kr->upn = talloc_strndup(pd, (char *)(buf + p), len);
+ if (kr->upn == NULL) return ENOMEM;
p += len;
COPY_UINT32_CHECK(&len, buf + p, p, size);
if ((p + len ) > size) return EINVAL;
- *ccname = talloc_strndup(pd, (char *)(buf + p), len);
- if (*ccname == NULL) return ENOMEM;
+ kr->ccname = talloc_strndup(pd, (char *)(buf + p), len);
+ if (kr->ccname == NULL) return ENOMEM;
p += len;
COPY_UINT32_CHECK(&len, buf + p, p, size);
if ((p + len ) > size) return EINVAL;
- *keytab = talloc_strndup(pd, (char *)(buf + p), len);
- if (*keytab == NULL) return ENOMEM;
+ kr->keytab = talloc_strndup(pd, (char *)(buf + p), len);
+ if (kr->keytab == NULL) return ENOMEM;
p += len;
COPY_UINT32_CHECK(&len, buf + p, p, size);
@@ -804,20 +809,10 @@ static int krb5_cleanup(void *ptr)
return EOK;
}
-static int krb5_setup(struct pam_data *pd, const char *user_princ_str,
- uint32_t offline, struct krb5_req **krb5_req)
+static int krb5_setup(struct krb5_req *kr, uint32_t offline)
{
- struct krb5_req *kr = NULL;
krb5_error_code kerr = 0;
- kr = talloc_zero(pd, struct krb5_req);
- if (kr == NULL) {
- DEBUG(1, ("talloc failed.\n"));
- kerr = ENOMEM;
- goto failed;
- }
- talloc_set_destructor((TALLOC_CTX *) kr, krb5_cleanup);
-
kr->krb5_ctx = talloc_zero(kr, struct krb5_child_ctx);
if (kr->krb5_ctx == NULL) {
DEBUG(1, ("talloc failed.\n"));
@@ -829,7 +824,7 @@ static int krb5_setup(struct pam_data *pd, const char *user_princ_str,
if (kr->krb5_ctx->changepw_principle == NULL) {
DEBUG(1, ("Cannot read [%s] from environment.\n",
SSSD_KRB5_CHANGEPW_PRINCIPLE));
- if (pd->cmd == SSS_PAM_CHAUTHTOK) {
+ if (kr->pd->cmd == SSS_PAM_CHAUTHTOK) {
goto failed;
}
}
@@ -839,9 +834,7 @@ static int krb5_setup(struct pam_data *pd, const char *user_princ_str,
DEBUG(2, ("Cannot read [%s] from environment.\n", SSSD_KRB5_REALM));
}
- kr->pd = pd;
-
- switch(pd->cmd) {
+ switch(kr->pd->cmd) {
case SSS_PAM_AUTHENTICATE:
/* If we are offline, we need to create an empty ccache file */
if (offline) {
@@ -855,7 +848,7 @@ static int krb5_setup(struct pam_data *pd, const char *user_princ_str,
kr->child_req = changepw_child;
break;
default:
- DEBUG(1, ("PAM command [%d] not supported.\n", pd->cmd));
+ DEBUG(1, ("PAM command [%d] not supported.\n", kr->pd->cmd));
kerr = EINVAL;
goto failed;
}
@@ -866,7 +859,7 @@ static int krb5_setup(struct pam_data *pd, const char *user_princ_str,
goto failed;
}
- kerr = krb5_parse_name(kr->ctx, user_princ_str, &kr->princ);
+ kerr = krb5_parse_name(kr->ctx, kr->upn, &kr->princ);
if (kerr != 0) {
KRB5_DEBUG(1, kerr);
goto failed;
@@ -904,11 +897,9 @@ static int krb5_setup(struct pam_data *pd, const char *user_princ_str,
* krb5_get_init_creds_opt_set_pa
*/
- *krb5_req = kr;
return EOK;
failed:
- talloc_free(kr);
return kerr;
}
@@ -920,9 +911,6 @@ int main(int argc, const char *argv[])
ssize_t len = 0;
struct pam_data *pd = NULL;
struct krb5_req *kr = NULL;
- char *ccname;
- char *keytab;
- uint32_t validate;
uint32_t offline;
int opt;
poptContext pc;
@@ -997,20 +985,25 @@ int main(int argc, const char *argv[])
}
close(STDIN_FILENO);
- ret = unpack_buffer(buf, len, pd, &ccname, &keytab, &validate, &offline);
+ kr = talloc_zero(pd, struct krb5_req);
+ if (kr == NULL) {
+ DEBUG(1, ("talloc failed.\n"));
+ goto fail;
+ }
+ talloc_set_destructor((TALLOC_CTX *) kr, krb5_cleanup);
+ kr->pd = pd;
+
+ ret = unpack_buffer(buf, len, pd, kr, &offline);
if (ret != EOK) {
DEBUG(1, ("unpack_buffer failed.\n"));
goto fail;
}
- ret = krb5_setup(pd, pd->upn, offline, &kr);
+ ret = krb5_setup(kr, offline);
if (ret != EOK) {
DEBUG(1, ("krb5_setup failed.\n"));
goto fail;
}
- kr->ccname = ccname;
- kr->keytab = keytab;
- kr->validate = (validate == 0) ? false : true;
ret = kr->child_req(STDOUT_FILENO, kr);
if (ret != EOK) {
diff --git a/src/providers/krb5/krb5_utils.c b/src/providers/krb5/krb5_utils.c
index 489030af..a75ad782 100644
--- a/src/providers/krb5/krb5_utils.c
+++ b/src/providers/krb5/krb5_utils.c
@@ -74,21 +74,21 @@ char *expand_ccname_template(TALLOC_CTX *mem_ctx, struct krb5child_req *kr,
kr->pd->user);
break;
case 'U':
- if (kr->pd->pw_uid <= 0) {
+ if (kr->uid <= 0) {
DEBUG(1, ("Cannot expand uid template "
"because uid is invalid.\n"));
return NULL;
}
result = talloc_asprintf_append(result, "%s%d", p,
- kr->pd->pw_uid);
+ kr->uid);
break;
case 'p':
- if (kr->pd->upn == NULL) {
+ if (kr->upn == NULL) {
DEBUG(1, ("Cannot expand user principle name template "
"because upn is empty.\n"));
return NULL;
}
- result = talloc_asprintf_append(result, "%s%s", p, kr->pd->upn);
+ result = talloc_asprintf_append(result, "%s%s", p, kr->upn);
break;
case '%':
result = talloc_asprintf_append(result, "%s%%", p);
diff --git a/src/responder/pam/pamsrv_cmd.c b/src/responder/pam/pamsrv_cmd.c
index 37aad829..254b18e5 100644
--- a/src/responder/pam/pamsrv_cmd.c
+++ b/src/responder/pam/pamsrv_cmd.c
@@ -1064,24 +1064,6 @@ static void pam_check_user_callback(void *ptr, int status,
case 1:
/* BINGO */
- preq->pd->pw_uid =
- ldb_msg_find_attr_as_int(res->msgs[0], SYSDB_UIDNUM, -1);
- if (preq->pd->pw_uid == -1) {
- DEBUG(1, ("Failed to find uid for user [%s] in domain [%s].\n",
- preq->pd->user, preq->pd->domain));
- preq->pd->pam_status = PAM_SYSTEM_ERR;
- pam_reply(preq);
- }
-
- preq->pd->gr_gid =
- ldb_msg_find_attr_as_int(res->msgs[0], SYSDB_GIDNUM, -1);
- if (preq->pd->gr_gid == -1) {
- DEBUG(1, ("Failed to find gid for user [%s] in domain [%s].\n",
- preq->pd->user, preq->pd->domain));
- preq->pd->pam_status = PAM_SYSTEM_ERR;
- pam_reply(preq);
- }
-
pam_dom_forwarder(preq);
return;
diff --git a/src/tests/krb5_utils-tests.c b/src/tests/krb5_utils-tests.c
index 8676f3bf..362daf47 100644
--- a/src/tests/krb5_utils-tests.c
+++ b/src/tests/krb5_utils-tests.c
@@ -64,8 +64,8 @@ void setup_talloc_context(void)
fail_unless(pd != NULL, "Cannot create krb5_ctx structure.");
pd->user = discard_const(USERNAME);
- pd->pw_uid = atoi(UID);
- pd->upn = PRINCIPLE_NAME;
+ kr->uid = atoi(UID);
+ kr->upn = PRINCIPLE_NAME;
pd->cli_pid = atoi(PID);
krb5_ctx->opts = talloc_zero_array(tmp_ctx, struct dp_option, KRB5_OPTS);
generated by cgit (git 2.34.1) at 2024-11-24 06:04:55 +0000