# include <sys/kd.h>
#endif
-/*
- * Some heuristics to find out what environment we are in: if it is not
- * System V, assume it is SunOS 4. The LOGIN_PROCESS is defined in System V
- * utmp.h, which will select System V style getty.
- */
-#ifdef LOGIN_PROCESS
-# define SYSV_STYLE
-#endif
/*
* Things you may want to modify.
static void init_special_char(char* arg, struct agetty_options *op);
static void parse_args(int argc, char **argv, struct agetty_options *op);
static void parse_speeds(struct agetty_options *op, char *arg);
-static void update_utmp(struct agetty_options *op);
static void open_tty(const char *tty, struct termios *tp, struct agetty_options *op);
static void termio_init(struct agetty_options *op, struct termios *tp);
static void reset_vc(const struct agetty_options *op, struct termios *tp, int canon);
/* Update the utmp file. */
#ifdef SYSV_STYLE
- update_utmp(&options);
+ agetty_update_utmp(&options, fakehost);
#endif
if (options.delay)
sleep(options.delay);
free(str);
}
-#ifdef SYSV_STYLE
-
-/* Update our utmp entry. */
-static void update_utmp(struct agetty_options *op)
-{
- struct utmpx ut;
- time_t t;
- pid_t pid = getpid();
- pid_t sid = getsid(0);
- const char *vcline = op->vcline;
- const char *line = op->tty;
- struct utmpx *utp;
-
- /*
- * The utmp file holds miscellaneous information about things started by
- * /sbin/init and other system-related events. Our purpose is to update
- * the utmp entry for the current process, in particular the process type
- * and the tty line we are listening to. Return successfully only if the
- * utmp file can be opened for update, and if we are able to find our
- * entry in the utmp file.
- */
- utmpxname(_PATH_UTMP);
- setutxent();
-
- /*
- * Find my pid in utmp.
- *
- * FIXME: Earlier (when was that?) code here tested only utp->ut_type !=
- * INIT_PROCESS, so maybe the >= here should be >.
- *
- * FIXME: The present code is taken from login.c, so if this is changed,
- * maybe login has to be changed as well (is this true?).
- */
- while ((utp = getutxent()))
- if (utp->ut_pid == pid
- && utp->ut_type >= INIT_PROCESS
- && utp->ut_type <= DEAD_PROCESS)
- break;
-
- if (utp) {
- memcpy(&ut, utp, sizeof(ut));
- } else {
- /* Some inits do not initialize utmp. */
- memset(&ut, 0, sizeof(ut));
- if (vcline && *vcline)
- /* Standard virtual console devices */
- str2memcpy(ut.ut_id, vcline, sizeof(ut.ut_id));
- else {
- size_t len = strlen(line);
- const char * ptr;
- if (len >= sizeof(ut.ut_id))
- ptr = line + len - sizeof(ut.ut_id);
- else
- ptr = line;
- str2memcpy(ut.ut_id, ptr, sizeof(ut.ut_id));
- }
- }
-
- str2memcpy(ut.ut_user, "LOGIN", sizeof(ut.ut_user));
- str2memcpy(ut.ut_line, line, sizeof(ut.ut_line));
- if (fakehost)
- str2memcpy(ut.ut_host, fakehost, sizeof(ut.ut_host));
- time(&t);
- ut.ut_tv.tv_sec = t;
- ut.ut_type = LOGIN_PROCESS;
- ut.ut_pid = pid;
- ut.ut_session = sid;
-
- pututxline(&ut);
- endutxent();
-
- updwtmpx(_PATH_WTMP, &ut);
-}
-
-#endif /* SYSV_STYLE */
/* Set up tty as stdin, stdout & stderr. */
static void open_tty(const char *tty, struct termios *tp, struct agetty_options *op)
tcsetattr(STDIN_FILENO, TCSANOW, tp);
}
-static char *xgethostname(void)
-{
- char *name;
- size_t sz = get_hostname_max() + 1;
-
- name = malloc(sizeof(char) * sz);
- if (!name)
- agetty_log_err(_("failed to allocate memory: %m"));
-
- if (gethostname(name, sz) != 0) {
- free(name);
- return NULL;
- }
- name[sz - 1] = '\0';
- return name;
-}
-
-static char *xgetdomainname(void)
-{
-#ifdef HAVE_GETDOMAINNAME
- char *name;
- const size_t sz = get_hostname_max() + 1;
-
- name = malloc(sizeof(char) * sz);
- if (!name)
- agetty_log_err(_("failed to allocate memory: %m"));
-
- if (getdomainname(name, sz) != 0) {
- free(name);
- return NULL;
- }
- name[sz - 1] = '\0';
- return name;
-#else
- return NULL;
-#endif
-}
static char *read_os_release(struct agetty_options *op, const char *varname)
}
#endif /* KDGKBLED */
if ((op->flags & F_NOHOSTNAME) == 0) {
- char *hn = xgethostname();
+ char *hn = agetty_xgethostname();
if (hn) {
char *dot = strchr(hn, '.');
break;
case 'o':
{
- char *dom = xgetdomainname();
+ char *dom = agetty_xgetdomainname();
fputs(dom ? dom : "unknown_domain", ie->output);
free(dom);
case 'O':
{
char *dom = NULL;
- char *host = xgethostname();
+ char *host = agetty_xgethostname();
struct addrinfo hints, *info = NULL;
memset(&hints, 0, sizeof(hints));
#include <stdarg.h>
#include <stdlib.h>
+#include <string.h>
#include <syslog.h>
#include <unistd.h>
+#include <utmpx.h>
#include "agetty.h"
+#include "nls.h"
+#include "pathnames.h"
+#include "strutils.h"
+#include "ttyutils.h"
static void dolog(int priority, const char *fmt, va_list ap)
{
dolog(LOG_WARNING, fmt, ap);
va_end(ap);
}
+
+char *agetty_xgethostname(void)
+{
+ char *name;
+ size_t sz = get_hostname_max() + 1;
+
+ name = malloc(sizeof(char) * sz);
+ if (!name)
+ agetty_log_err(_("failed to allocate memory: %m"));
+
+ if (gethostname(name, sz) != 0) {
+ free(name);
+ return NULL;
+ }
+ name[sz - 1] = '\0';
+ return name;
+}
+
+char *agetty_xgetdomainname(void)
+{
+#ifdef HAVE_GETDOMAINNAME
+ char *name;
+ const size_t sz = get_hostname_max() + 1;
+
+ name = malloc(sizeof(char) * sz);
+ if (!name)
+ agetty_log_err(_("failed to allocate memory: %m"));
+
+ if (getdomainname(name, sz) != 0) {
+ free(name);
+ return NULL;
+ }
+ name[sz - 1] = '\0';
+ return name;
+#else
+ return NULL;
+#endif
+}
+
+#ifdef SYSV_STYLE
+void agetty_update_utmp(struct agetty_options *op, const char *fakehost)
+{
+ struct utmpx ut;
+ time_t t;
+ pid_t pid = getpid();
+ pid_t sid = getsid(0);
+ const char *vcline = op->vcline;
+ const char *line = op->tty;
+ struct utmpx *utp;
+
+ /*
+ * The utmp file holds miscellaneous information about things started by
+ * /sbin/init and other system-related events. Our purpose is to update
+ * the utmp entry for the current process, in particular the process type
+ * and the tty line we are listening to. Return successfully only if the
+ * utmp file can be opened for update, and if we are able to find our
+ * entry in the utmp file.
+ */
+ utmpxname(_PATH_UTMP);
+ setutxent();
+
+ /*
+ * Find my pid in utmp.
+ *
+ * FIXME: Earlier (when was that?) code here tested only utp->ut_type !=
+ * INIT_PROCESS, so maybe the >= here should be >.
+ *
+ * FIXME: The present code is taken from login.c, so if this is changed,
+ * maybe login has to be changed as well (is this true?).
+ */
+ while ((utp = getutxent()))
+ if (utp->ut_pid == pid
+ && utp->ut_type >= INIT_PROCESS
+ && utp->ut_type <= DEAD_PROCESS)
+ break;
+
+ if (utp) {
+ memcpy(&ut, utp, sizeof(ut));
+ } else {
+ /* Some inits do not initialize utmp. */
+ memset(&ut, 0, sizeof(ut));
+ if (vcline && *vcline)
+ /* Standard virtual console devices */
+ str2memcpy(ut.ut_id, vcline, sizeof(ut.ut_id));
+ else {
+ size_t len = strlen(line);
+ const char * ptr;
+ if (len >= sizeof(ut.ut_id))
+ ptr = line + len - sizeof(ut.ut_id);
+ else
+ ptr = line;
+ str2memcpy(ut.ut_id, ptr, sizeof(ut.ut_id));
+ }
+ }
+
+ str2memcpy(ut.ut_user, "LOGIN", sizeof(ut.ut_user));
+ str2memcpy(ut.ut_line, line, sizeof(ut.ut_line));
+ if (fakehost)
+ str2memcpy(ut.ut_host, fakehost, sizeof(ut.ut_host));
+ time(&t);
+ ut.ut_tv.tv_sec = t;
+ ut.ut_type = LOGIN_PROCESS;
+ ut.ut_pid = pid;
+ ut.ut_session = sid;
+
+ pututxline(&ut);
+ endutxent();
+
+ updwtmpx(_PATH_WTMP, &ut);
+}
+#endif
projects / thirdparty / util-linux.git / commitdiff
