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Fixup getty, login, etc so the utmp and wtmp are updated, allowing
the 'who' and 'last' applets among other things to work as expected. -Erik
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@ -538,6 +538,7 @@ config CONFIG_WC
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config CONFIG_WHO
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bool "who"
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default n
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select CONFIG_FEATURE_U_W_TMP
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help
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who is used to show who is logged on.
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@ -57,6 +57,15 @@ config CONFIG_GETTY
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help
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getty lets you log in on a tty, it is normally invoked by init.
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config CONFIG_FEATURE_U_W_TMP
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bool " Support utmp and wtmp files"
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depends on CONFIG_GETTY || CONFIG_LOGIN || CONFIG_SU || CONFIG_WHO || CONFIG_LAST
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default n
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help
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The files /var/run/utmp and /var/run/wtmp can be used to track when
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user's have logged into and logged out of the system, allowing programs
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such as 'who' and 'last' to list who is currently logged in.
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config CONFIG_LOGIN
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bool "login"
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default n
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@ -228,7 +228,7 @@ static void termio_final(struct options *op, struct termio *tp,
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struct chardata *cp);
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static int caps_lock(const char *s);
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static int bcode(const char *s);
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static int bcode(char *s);
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static void error(const char *fmt, ...) __attribute__ ((noreturn));
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#ifdef CONFIG_FEATURE_U_W_TMP
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@ -503,6 +503,9 @@ static void update_utmp(char *line)
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* utmp file can be opened for update, and if we are able to find our
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* entry in the utmp file.
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*/
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if (access(_PATH_UTMP, R_OK|W_OK) == -1) {
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creat(_PATH_UTMP, O_RDWR);
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}
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utmpname(_PATH_UTMP);
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setutent();
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while ((utp = getutent())
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@ -531,6 +534,9 @@ static void update_utmp(char *line)
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endutent();
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{
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if (access(_PATH_WTMP, R_OK|W_OK) == -1) {
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creat(_PATH_WTMP, O_RDWR);
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}
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updwtmp(_PATH_WTMP, &ut);
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}
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}
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@ -953,7 +959,7 @@ static int caps_lock(const char *s)
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}
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/* bcode - convert speed string to speed code; return 0 on failure */
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static int bcode(const char *s)
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static int bcode(char *s)
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{
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int r;
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unsigned long value;
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@ -403,8 +403,6 @@ static void motd ( )
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#ifdef CONFIG_FEATURE_U_W_TMP
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// vv Taken from tinylogin utmp.c vv
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#define _WTMP_FILE "/var/log/wtmp"
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#define NO_UTENT \
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"No utmp entry. You must exec \"login\" from the lowest level \"sh\""
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#define NO_TTY \
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@ -480,6 +478,9 @@ static void setutmp(const char *name, const char *line)
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setutent();
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pututline(&utent);
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endutent();
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updwtmp(_WTMP_FILE, &utent);
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if (access(_PATH_WTMP, R_OK|W_OK) == -1) {
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creat(_PATH_WTMP, O_RDWR);
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}
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updwtmp(_PATH_WTMP, &utent);
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}
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#endif /* CONFIG_FEATURE_U_W_TMP */
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@ -83,6 +83,7 @@ config CONFIG_DEVFSD_VERBOSE
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config CONFIG_LAST
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bool "last"
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default n
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select CONFIG_FEATURE_U_W_TMP
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help
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'last' displays a list of the last users that logged into the system.
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