+#define _GNU_SOURCE
+#define __USE_GNU
+
#include <stdlib.h>
+#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/ioctl.h>
#include <pwd.h>
+#include <unistd.h>
+#include <dirent.h>
#include <grp.h>
#include <security/pam_appl.h>
-#include <unistd.h>
#include <fcntl.h>
-#define __USE_GNU
#include <dlfcn.h>
+#include <utmpx.h>
#ifdef __linux__
#include <linux/vt.h>
#endif
#include <glib.h>
+#include <xcb/xcb.h>
+#include <gio/gunixsocketaddress.h>
+
+#include "status.h"
#define LOGIN_PROMPT "login:"
static GList *group_entries = NULL;
+static int active_vt = 7;
+
+static gboolean status_connected = FALSE;
+
struct pam_handle
{
char *service_name;
char *user;
+ char *authtok;
+ char *ruser;
char *tty;
char **envlist;
struct pam_conv conversation;
return 0;
}
+int
+setegid (gid_t gid)
+{
+ return 0;
+}
+
+int
+setresgid (gid_t rgid, gid_t ugid, gid_t sgid)
+{
+ return 0;
+}
+
int
setuid (uid_t uid)
{
return 0;
}
+int
+seteuid (uid_t uid)
+{
+ return 0;
+}
+
+int
+setresuid (uid_t ruid, uid_t uuid, uid_t suid)
+{
+ return 0;
+}
+
+static gchar *
+redirect_path (const gchar *path)
+{
+ // Don't redirect if inside the running directory
+ if (g_str_has_prefix (path, g_getenv ("LIGHTDM_TEST_ROOT")))
+ return g_strdup (path);
+
+ if (g_str_has_prefix (path, SYSCONFDIR))
+ return g_build_filename (g_getenv ("LIGHTDM_TEST_ROOT"), "etc", path + strlen (SYSCONFDIR), NULL);
+
+ if (g_str_has_prefix (path, LOCALSTATEDIR))
+ return g_build_filename (g_getenv ("LIGHTDM_TEST_ROOT"), "var", path + strlen (LOCALSTATEDIR), NULL);
+
+ if (g_str_has_prefix (path, DATADIR))
+ return g_build_filename (g_getenv ("LIGHTDM_TEST_ROOT"), "usr", "share", path + strlen (DATADIR), NULL);
+
+ // Don't redirect if inside the build directory
+ if (g_str_has_prefix (path, BUILDDIR))
+ return g_strdup (path);
+
+ if (g_str_has_prefix (path, "/tmp"))
+ return g_build_filename (g_getenv ("LIGHTDM_TEST_ROOT"), "tmp", path + strlen ("/tmp"), NULL);
+
+ return g_strdup (path);
+}
+
#ifdef __linux__
+static int
+open_wrapper (const char *func, const char *pathname, int flags, mode_t mode)
+{
+ int (*_open) (const char *pathname, int flags, mode_t mode);
+ gchar *new_path = NULL;
+ int fd;
+
+ _open = (int (*)(const char *pathname, int flags, mode_t mode)) dlsym (RTLD_NEXT, func);
+
+ if (strcmp (pathname, "/dev/console") == 0)
+ {
+ if (console_fd < 0)
+ {
+ console_fd = _open ("/dev/null", flags, mode);
+ fcntl (console_fd, F_SETFD, FD_CLOEXEC);
+ }
+ return console_fd;
+ }
+
+ new_path = redirect_path (pathname);
+ fd = _open (new_path, flags, mode);
+ g_free (new_path);
+
+ return fd;
+}
+
int
open (const char *pathname, int flags, ...)
{
- int (*_open) (const char * pathname, int flags, mode_t mode);
int mode = 0;
-
if (flags & O_CREAT)
{
va_list ap;
va_start (ap, flags);
- mode = va_arg (ap, int);
+ mode = va_arg (ap, mode_t);
va_end (ap);
}
+ return open_wrapper ("open", pathname, flags, mode);
+}
- _open = (int (*)(const char * pathname, int flags, mode_t mode)) dlsym (RTLD_NEXT, "open");
- if (strcmp (pathname, "/dev/console") == 0)
+int
+open64 (const char *pathname, int flags, ...)
+{
+ int mode = 0;
+ if (flags & O_CREAT)
{
- if (console_fd < 0)
- {
- console_fd = _open ("/dev/null", flags, mode);
- fcntl (console_fd, F_SETFD, FD_CLOEXEC);
- }
- return console_fd;
+ va_list ap;
+ va_start (ap, flags);
+ mode = va_arg (ap, mode_t);
+ va_end (ap);
}
- else if (strcmp (pathname, CONFIG_DIR "/lightdm.conf") == 0)
- {
- gchar *path;
- int fd;
+ return open_wrapper ("open64", pathname, flags, mode);
+}
- path = g_build_filename (g_getenv ("LIGHTDM_TEST_ROOT"), "etc", "lightdm", "lightdm.conf", NULL);
- fd = _open (path, flags, mode);
- g_free (path);
+FILE *
+fopen (const char *path, const char *mode)
+{
+ FILE *(*_fopen) (const char *pathname, const char *mode);
+ gchar *new_path = NULL;
+ FILE *result;
- return fd;
- }
- else
- return _open (pathname, flags, mode);
+ _fopen = (FILE *(*)(const char *pathname, const char *mode)) dlsym (RTLD_NEXT, "fopen");
+
+ new_path = redirect_path (path);
+ result = _fopen (new_path, mode);
+ g_free (new_path);
+
+ return result;
+}
+
+int
+unlinkat (int dirfd, const char *pathname, int flags)
+{
+ int (*_unlinkat) (int dirfd, const char *pathname, int flags);
+ gchar *new_path = NULL;
+ int result;
+
+ _unlinkat = (int (*)(int dirfd, const char *pathname, int flags)) dlsym (RTLD_NEXT, "unlinkat");
+
+ new_path = redirect_path (pathname);
+ result = _unlinkat (dirfd, new_path, flags);
+ g_free (new_path);
+
+ return result;
+}
+
+int
+creat (const char *pathname, mode_t mode)
+{
+ int (*_creat) (const char *pathname, mode_t mode);
+ gchar *new_path = NULL;
+ int result;
+
+ _creat = (int (*)(const char *pathname, mode_t mode)) dlsym (RTLD_NEXT, "creat");
+
+ new_path = redirect_path (pathname);
+ result = _creat (new_path, mode);
+ g_free (new_path);
+
+ return result;
+}
+
+int
+creat64 (const char *pathname, mode_t mode)
+{
+ int (*_creat64) (const char *pathname, mode_t mode);
+ gchar *new_path = NULL;
+ int result;
+
+ _creat64 = (int (*)(const char *pathname, mode_t mode)) dlsym (RTLD_NEXT, "creat64");
+
+ new_path = redirect_path (pathname);
+ result = _creat64 (new_path, mode);
+ g_free (new_path);
+
+ return result;
+}
+
+int
+access (const char *pathname, int mode)
+{
+ int (*_access) (const char *pathname, int mode);
+ gchar *new_path = NULL;
+ int ret;
+
+ /* Look like systemd is always running */
+ if (strcmp (pathname, "/run/systemd/seats/") == 0)
+ return 1;
+
+ _access = (int (*)(const char *pathname, int mode)) dlsym (RTLD_NEXT, "access");
+
+ new_path = redirect_path (pathname);
+ ret = _access (new_path, mode);
+ g_free (new_path);
+
+ return ret;
+}
+
+int
+stat (const char *path, struct stat *buf)
+{
+ int (*_stat) (const char *path, struct stat *buf);
+ gchar *new_path = NULL;
+ int ret;
+
+ _stat = (int (*)(const char *path, struct stat *buf)) dlsym (RTLD_NEXT, "stat");
+
+ new_path = redirect_path (path);
+ ret = _stat (new_path, buf);
+ g_free (new_path);
+
+ return ret;
+}
+
+int
+stat64 (const char *path, struct stat64 *buf)
+{
+ int (*_stat64) (const char *path, struct stat64 *buf);
+ gchar *new_path = NULL;
+ int ret;
+
+ _stat64 = (int (*)(const char *path, struct stat64 *buf)) dlsym (RTLD_NEXT, "stat64");
+
+ new_path = redirect_path (path);
+ ret = _stat64 (new_path, buf);
+ g_free (new_path);
+
+ return ret;
+}
+
+int
+__xstat (int version, const char *path, struct stat *buf)
+{
+ int (*___xstat) (int version, const char *path, struct stat *buf);
+ gchar *new_path = NULL;
+ int ret;
+
+ ___xstat = (int (*)(int version, const char *path, struct stat *buf)) dlsym (RTLD_NEXT, "__xstat");
+
+ new_path = redirect_path (path);
+ ret = ___xstat (version, new_path, buf);
+ g_free (new_path);
+
+ return ret;
+}
+
+int
+__xstat64 (int version, const char *path, struct stat64 *buf)
+{
+ int (*___xstat64) (int version, const char *path, struct stat64 *buf);
+ gchar *new_path = NULL;
+ int ret;
+
+ ___xstat64 = (int (*)(int version, const char *path, struct stat64 *buf)) dlsym (RTLD_NEXT, "__xstat64");
+
+ new_path = redirect_path (path);
+ ret = ___xstat64 (version, new_path, buf);
+ g_free (new_path);
+
+ return ret;
+}
+
+int
+__fxstatat(int ver, int dirfd, const char *pathname, struct stat *buf, int flags)
+{
+ int (*___fxstatat) (int ver, int dirfd, const char *pathname, struct stat *buf, int flags);
+ gchar *new_path = NULL;
+ int ret;
+
+ ___fxstatat = (int (*)(int ver, int dirfd, const char *pathname, struct stat *buf, int flags)) dlsym (RTLD_NEXT, "__fxstatat");
+
+ new_path = redirect_path (pathname);
+ ret = ___fxstatat (ver, dirfd, new_path, buf, flags);
+ g_free (new_path);
+
+ return ret;
+}
+
+int
+__fxstatat64(int ver, int dirfd, const char *pathname, struct stat64 *buf, int flags)
+{
+ int (*___fxstatat64) (int ver, int dirfd, const char *pathname, struct stat64 *buf, int flags);
+ gchar *new_path = NULL;
+ int ret;
+
+ ___fxstatat64 = (int (*)(int ver, int dirfd, const char *pathname, struct stat64 *buf, int flags)) dlsym (RTLD_NEXT, "__fxstatat64");
+
+ new_path = redirect_path (pathname);
+ ret = ___fxstatat64 (ver, dirfd, new_path, buf, flags);
+ g_free (new_path);
+
+ return ret;
+}
+
+DIR *
+opendir (const char *name)
+{
+ DIR *(*_opendir) (const char *name);
+ gchar *new_path = NULL;
+ DIR *result;
+
+ _opendir = (DIR *(*)(const char *name)) dlsym (RTLD_NEXT, "opendir");
+
+ new_path = redirect_path (name);
+ result = _opendir (new_path);
+ g_free (new_path);
+
+ return result;
}
int
-ioctl (int d, int request, void *data)
+mkdir (const char *pathname, mode_t mode)
{
- int (*_ioctl) (int d, int request, void *data);
+ int (*_mkdir) (const char *pathname, mode_t mode);
+ gchar *new_path = NULL;
+ int result;
+
+ _mkdir = (int (*)(const char *pathname, mode_t mode)) dlsym (RTLD_NEXT, "mkdir");
+
+ new_path = redirect_path (pathname);
+ result = _mkdir (new_path, mode);
+ g_free (new_path);
+
+ return result;
+}
+
+int
+chown (const char *pathname, uid_t owner, gid_t group)
+{
+ int (*_chown) (const char *pathname, uid_t owner, gid_t group);
+ gchar *new_path = NULL;
+ int result;
- _ioctl = (int (*)(int d, int request, void *data)) dlsym (RTLD_NEXT, "ioctl");
+ _chown = (int (*)(const char *pathname, uid_t owner, gid_t group)) dlsym (RTLD_NEXT, "chown");
+
+ new_path = redirect_path (pathname);
+ result = _chown (new_path, owner, group);
+ g_free (new_path);
+
+ return result;
+}
+
+int
+chmod (const char *path, mode_t mode)
+{
+ int (*_chmod) (const char *path, mode_t mode);
+ gchar *new_path = NULL;
+ int result;
+
+ _chmod = (int (*)(const char *path, mode_t mode)) dlsym (RTLD_NEXT, "chmod");
+
+ new_path = redirect_path (path);
+ result = _chmod (new_path, mode);
+ g_free (new_path);
+
+ return result;
+}
+
+int
+ioctl (int d, unsigned long request, ...)
+{
+ int (*_ioctl) (int d, int request, ...);
+
+ _ioctl = (int (*)(int d, int request, ...)) dlsym (RTLD_NEXT, "ioctl");
if (d > 0 && d == console_fd)
{
struct vt_stat *console_state;
+ int vt;
+ va_list ap;
switch (request)
{
case VT_GETSTATE:
- console_state = data;
- console_state->v_active = 7;
- break;
+ va_start (ap, request);
+ console_state = va_arg (ap, struct vt_stat *);
+ va_end (ap);
+ console_state->v_active = active_vt;
+ break;
case VT_ACTIVATE:
+ va_start (ap, request);
+ vt = va_arg (ap, int);
+ va_end (ap);
+ if (vt != active_vt)
+ {
+ active_vt = vt;
+ if (!status_connected)
+ status_connected = status_connect (NULL);
+ status_notify ("VT ACTIVATE VT=%d", active_vt);
+ }
+ break;
+ case VT_WAITACTIVE:
break;
}
return 0;
}
else
+ {
+ va_list ap;
+ void *data;
+
+ va_start (ap, request);
+ data = va_arg (ap, void *);
+ va_end (ap);
return _ioctl (d, request, data);
+ }
}
int
}
static void
-load_passwd_file ()
+load_passwd_file (void)
{
gchar *path, *data = NULL, **lines;
gint i;
}
static void
-load_group_file ()
+load_group_file (void)
{
gchar *path, *data = NULL, **lines;
gint i;
handle->service_name = strdup (service_name);
handle->user = user ? strdup (user) : NULL;
+ handle->authtok = NULL;
+ handle->ruser = NULL;
handle->tty = NULL;
handle->conversation.conv = conversation->conv;
handle->conversation.appdata_ptr = conversation->appdata_ptr;
if (pamh == NULL)
return PAM_SYSTEM_ERR;
+
+ if (strcmp (pamh->service_name, "test-remote") == 0)
+ {
+ int result;
+ struct pam_message **msg;
+ struct pam_response *resp = NULL;
+
+ msg = malloc (sizeof (struct pam_message *) * 1);
+ msg[0] = malloc (sizeof (struct pam_message));
+ msg[0]->msg_style = PAM_PROMPT_ECHO_ON;
+ msg[0]->msg = "remote-login:";
+ result = pamh->conversation.conv (1, (const struct pam_message **) msg, &resp, pamh->conversation.appdata_ptr);
+ free (msg[0]);
+ free (msg);
+ if (result != PAM_SUCCESS)
+ return result;
+
+ if (resp == NULL)
+ return PAM_CONV_ERR;
+ if (resp[0].resp == NULL)
+ {
+ free (resp);
+ return PAM_CONV_ERR;
+ }
+
+ if (pamh->ruser)
+ free (pamh->ruser);
+ pamh->ruser = strdup (resp[0].resp);
+ free (resp[0].resp);
+ free (resp);
+
+ msg = malloc (sizeof (struct pam_message *) * 1);
+ msg[0] = malloc (sizeof (struct pam_message));
+ msg[0]->msg_style = PAM_PROMPT_ECHO_OFF;
+ msg[0]->msg = "remote-password:";
+ result = pamh->conversation.conv (1, (const struct pam_message **) msg, &resp, pamh->conversation.appdata_ptr);
+ free (msg[0]);
+ free (msg);
+ if (result != PAM_SUCCESS)
+ return result;
+
+ if (resp == NULL)
+ return PAM_CONV_ERR;
+ if (resp[0].resp == NULL)
+ {
+ free (resp);
+ return PAM_CONV_ERR;
+ }
+
+ if (pamh->authtok)
+ free (pamh->authtok);
+ pamh->authtok = strdup (resp[0].resp);
+ free (resp[0].resp);
+ free (resp);
+
+ password_matches = strcmp (pamh->ruser, "remote-user") == 0 && strcmp (pamh->authtok, "password") == 0;
+
+ if (password_matches)
+ return PAM_SUCCESS;
+ else
+ return PAM_AUTH_ERR;
+ }
/* Prompt for username */
if (pamh->user == NULL)
msg[n_messages]->msg = "You should have seen three messages";
n_messages++;
}
+ if (strcmp (pamh->user, "multi-prompt") == 0)
+ {
+ msg[n_messages] = malloc (sizeof (struct pam_message));
+ msg[n_messages]->msg_style = PAM_PROMPT_ECHO_ON;
+ msg[n_messages]->msg = "Favorite Color:";
+ n_messages++;
+ }
msg[n_messages] = malloc (sizeof (struct pam_message));
msg[n_messages]->msg_style = PAM_PROMPT_ECHO_OFF;
msg[n_messages]->msg = "Password:";
if (entry)
password_matches = strcmp (entry->pw_passwd, resp[password_index].resp) == 0;
+
+ if (password_matches && strcmp (pamh->user, "multi-prompt") == 0)
+ password_matches = strcmp ("blue", resp[0].resp) == 0;
+
for (i = 0; i < n_messages; i++)
{
if (resp[i].resp)
get_env_value (const char *name_value, const char *name)
{
int j;
-
- for (j = 0; name[j] && name[j] != '=' && name[j] == name_value[j]; j++);
- if (name_value[j] == '=')
+
+ for (j = 0; name[j] && name_value[j] && name[j] == name_value[j]; j++);
+ if (name[j] == '\0' && name_value[j] == '=')
return &name_value[j + 1];
return NULL;
pam_putenv (pam_handle_t *pamh, const char *name_value)
{
int i;
+ gchar *name;
if (pamh == NULL || name_value == NULL)
return PAM_SYSTEM_ERR;
+ name = strdup (name_value);
+ for (i = 0; name[i]; i++)
+ if (name[i] == '=')
+ name[i] = '\0';
for (i = 0; pamh->envlist[i]; i++)
{
- if (get_env_value (pamh->envlist[i], name_value))
+ if (get_env_value (pamh->envlist[i], name))
break;
}
+ free (name);
if (pamh->envlist[i])
{
case PAM_USER:
*item = pamh->user;
return PAM_SUCCESS;
-
+
+ case PAM_AUTHTOK:
+ *item = pamh->authtok;
+ return PAM_SUCCESS;
+
+ case PAM_RUSER:
+ *item = pamh->ruser;
+ return PAM_SUCCESS;
+
case PAM_USER_PROMPT:
*item = LOGIN_PROMPT;
return PAM_SUCCESS;
msg = malloc (sizeof (struct pam_message *) * 1);
msg[0] = malloc (sizeof (struct pam_message));
msg[0]->msg_style = PAM_PROMPT_ECHO_OFF;
- msg[0]->msg = "Enter new password:";
+ if ((flags & PAM_CHANGE_EXPIRED_AUTHTOK) != 0)
+ msg[0]->msg = "Enter new password (expired):";
+ else
+ msg[0]->msg = "Enter new password:";
result = pamh->conversation.conv (1, (const struct pam_message **) msg, &resp, pamh->conversation.appdata_ptr);
free (msg[0]);
free (msg);
if (group)
{
groups_length = getgroups (0, NULL);
+ if (groups_length < 0)
+ return PAM_SYSTEM_ERR;
groups = malloc (sizeof (gid_t) * (groups_length + 1));
groups_length = getgroups (groups_length, groups);
+ if (groups_length < 0)
+ return PAM_SYSTEM_ERR;
groups[groups_length] = group->gr_gid;
groups_length++;
setgroups (groups_length, groups);
free (pamh->service_name);
if (pamh->user)
free (pamh->user);
+ if (pamh->authtok)
+ free (pamh->authtok);
+ if (pamh->ruser)
+ free (pamh->ruser);
if (pamh->tty)
free (pamh->tty);
free (pamh);
return "Unknown PAM error";
}
}
+
+void
+setutxent (void)
+{
+}
+
+struct utmpx *
+pututxline (const struct utmpx *ut)
+{
+ return (struct utmpx *)ut;
+}
+
+void
+endutxent (void)
+{
+}
+
+struct xcb_connection_t
+{
+ gchar *display;
+ int error;
+ GSocket *socket;
+};
+
+xcb_connection_t *
+xcb_connect_to_display_with_auth_info (const char *display, xcb_auth_info_t *auth, int *screen)
+{
+ xcb_connection_t *c;
+ gchar *socket_path;
+ GError *error = NULL;
+
+ c = malloc (sizeof (xcb_connection_t));
+ c->display = g_strdup (display);
+ c->error = 0;
+
+ if (display == NULL)
+ display = getenv ("DISPLAY");
+ if (display == NULL)
+ c->error = XCB_CONN_CLOSED_PARSE_ERR;
+
+ if (c->error == 0)
+ {
+ c->socket = g_socket_new (G_SOCKET_FAMILY_UNIX, G_SOCKET_TYPE_STREAM, G_SOCKET_PROTOCOL_DEFAULT, &error);
+ if (error)
+ g_printerr ("%s\n", error->message);
+ g_clear_error (&error);
+ if (c->socket == NULL)
+ c->error = XCB_CONN_ERROR;
+ }
+
+ if (c->error == 0)
+ {
+ gchar *d;
+ GSocketAddress *address;
+
+ /* Skip the hostname, we'll assume it's localhost */
+ d = g_strdup_printf (".x%s", strchr (display, ':'));
+
+ socket_path = g_build_filename (g_getenv ("LIGHTDM_TEST_ROOT"), d, NULL);
+ g_free (d);
+ address = g_unix_socket_address_new (socket_path);
+ if (!g_socket_connect (c->socket, address, NULL, &error))
+ c->error = XCB_CONN_ERROR;
+ g_object_unref (address);
+ if (error)
+ g_printerr ("Failed to connect to X socket %s: %s\n", socket_path, error->message);
+ g_free (socket_path);
+ g_clear_error (&error);
+ }
+
+ // FIXME: Send auth info
+ if (c->error == 0)
+ {
+ }
+
+ return c;
+}
+
+xcb_connection_t *
+xcb_connect (const char *displayname, int *screenp)
+{
+ return xcb_connect_to_display_with_auth_info(displayname, NULL, screenp);
+}
+
+int
+xcb_connection_has_error (xcb_connection_t *c)
+{
+ return c->error;
+}
+
+void
+xcb_disconnect (xcb_connection_t *c)
+{
+ free (c->display);
+ if (c->socket)
+ g_object_unref (c->socket);
+ free (c);
+}
projects / sojka / lightdm.git / blobdiff