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authorMike Gabriel <mike.gabriel@das-netzwerkteam.de>2018-05-02 16:40:22 +0200
committerMike Gabriel <mike.gabriel@das-netzwerkteam.de>2018-05-02 16:40:22 +0200
commit350cb1684d2d0d183be47a96a4b5d872a8e67563 (patch)
tree91b2e631d42c3346b2d27b42bc45fb2120bceb28 /src
parent8950d82b44d56eefe73f67e6011a85d4412cfd14 (diff)
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Don't use PAM_RHOSTS. Its purpose has been something completely unrelated to what we attempt here.
Diffstat (limited to 'src')
-rw-r--r--src/pam-freerdp-children.h3
-rw-r--r--src/pam-freerdp.c34
2 files changed, 25 insertions, 12 deletions
diff --git a/src/pam-freerdp-children.h b/src/pam-freerdp-children.h
index cb36312..e0af5bd 100644
--- a/src/pam-freerdp-children.h
+++ b/src/pam-freerdp-children.h
@@ -19,7 +19,8 @@
#ifndef _PAM_FREERDP_CHILDREN_H_
#define _PAM_FREERDP_CHILDREN_H_
-#define PAM_TYPE_DOMAIN 1234
+#define PAM_TYPE_RDPSERVER 1234
+#define PAM_TYPE_RDPDOMAIN 1235
#define ALL_GOOD_SIGNAL "Ar, ready to authenticate cap'n"
void
diff --git a/src/pam-freerdp.c b/src/pam-freerdp.c
index 9a65a59..6a9a34b 100644
--- a/src/pam-freerdp.c
+++ b/src/pam-freerdp.c
@@ -42,6 +42,7 @@
static int unpriveleged_kill (struct passwd * pwdent);
static char * global_domain = NULL;
+static char * global_server = NULL;
/* FIXME? This is a work around to the fact that PAM seems to be clearing
the auth token between authorize and open_session. Which then requires
us to save it. Seems like we're the wrong people to do it, but we have
@@ -54,7 +55,7 @@ get_item (pam_handle_t * pamh, int type)
{
/* Check to see if we just have the value. If we do, great
let's dup it some we're consitently allocating memory */
- if (type != PAM_TYPE_DOMAIN) {
+ if ((type != PAM_TYPE_RDPDOMAIN) && (type != PAM_TYPE_RDPSERVER)) {
/* If it's not a domain we can use the PAM functions because the PAM
functions don't support the domain */
char * value = NULL;
@@ -69,6 +70,9 @@ get_item (pam_handle_t * pamh, int type)
} else {
/* Here we only have domains, so we can see if the global domain is
useful for us, if we have it */
+ if (global_server != NULL) {
+ return global_server;
+ }
if (global_domain != NULL) {
return global_domain;
}
@@ -89,14 +93,14 @@ get_item (pam_handle_t * pamh, int type)
case PAM_RUSER:
message.msg = "remote login:";
break;
- case PAM_RHOST:
+ case PAM_TYPE_RDPSERVER:
message.msg = "remote host:";
break;
case PAM_AUTHTOK:
message.msg = "password:";
message.msg_style = PAM_PROMPT_ECHO_OFF;
break;
- case PAM_TYPE_DOMAIN:
+ case PAM_TYPE_RDPDOMAIN:
message.msg = "domain:";
break;
default:
@@ -145,7 +149,7 @@ get_item (pam_handle_t * pamh, int type)
}
}
- if (type == PAM_RHOST) {
+ if (type == PAM_TYPE_RDPSERVER) {
char * subloc = strstr(promptval, "://");
if (subloc != NULL) {
char * original = promptval;
@@ -163,13 +167,21 @@ get_item (pam_handle_t * pamh, int type)
char * retval = NULL;
if (promptval != NULL) { /* Can't believe it really would be at this point, but let's be sure */
- if (type != PAM_TYPE_DOMAIN) {
- /* We can only use the PAM functions if it's not the domain */
+ if ((type != PAM_TYPE_RDPDOMAIN) && type != PAM_TYPE_RDPSERVER)) {
+ /* We can only use the PAM functions if it's neither server nor domain */
pam_set_item(pamh, type, (const void *)promptval);
/* We're returning the value saved by PAM so we can clear promptval */
pam_get_item(pamh, type, (const void **)&retval);
}
- if (type == PAM_TYPE_DOMAIN) {
+ if (type == PAM_TYPE_RDPSERVER) {
+ /* The domain can be saved globally so we can use it for open */
+ if (global_server != NULL) {
+ free(global_server);
+ }
+ global_server = strdup(promptval);
+ retval = global_server;
+ }
+ if (type == PAM_TYPE_RDPDOMAIN) {
/* The domain can be saved globally so we can use it for open */
if (global_domain != NULL) {
free(global_domain);
@@ -227,8 +239,8 @@ pam_sm_authenticate (pam_handle_t *pamh, int flags, int argc, const char **argv)
an auth error */
GET_ITEM(username, PAM_USER);
GET_ITEM(ruser, PAM_RUSER);
- GET_ITEM(rhost, PAM_RHOST);
- GET_ITEM(rdomain, PAM_TYPE_DOMAIN);
+ GET_ITEM(rhost, PAM_TYPE_RDPSERVER);
+ GET_ITEM(rdomain, PAM_TYPE_RDPDOMAIN);
GET_ITEM(password, PAM_AUTHTOK);
int stdinpipe[2];
@@ -292,7 +304,7 @@ pam_sm_open_session (pam_handle_t *pamh, int flags, int argc, const char ** argv
an auth error */
GET_ITEM(username, PAM_USER);
GET_ITEM(ruser, PAM_RUSER);
- GET_ITEM(rhost, PAM_RHOST);
+ GET_ITEM(rhost, PAM_TYPE_RDPSERVER);
GET_ITEM(rdomain, PAM_TYPE_DOMAIN);
GET_ITEM(password, PAM_AUTHTOK);
@@ -303,7 +315,7 @@ pam_sm_open_session (pam_handle_t *pamh, int flags, int argc, const char ** argv
}
if (session_pid != 0) {
- unpriveleged_kill(pwdent);
+ unpriveleged_kill(pwdmikeent);
}
int sessionready[2];