Ensure pam_lastlog removes the /dev/ component of the TTY name.
Some consumers of PAM remove the /dev/ component (i.e. login), while others don't (i.e. su). We must ensure that the /dev/ component is removed to ensure that the utmpx entries properly work with tools such as w(1). Discussed with: des MFC after: 1 week
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=227314
@ -47,6 +47,8 @@ __FBSDID("$FreeBSD$");
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#define _BSD_SOURCE
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#include <sys/time.h>
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#include <paths.h>
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#include <pwd.h>
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#include <stdlib.h>
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#include <string.h>
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@ -96,6 +98,9 @@ pam_sm_open_session(pam_handle_t *pamh, int flags,
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pam_err = PAM_SERVICE_ERR;
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goto err;
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}
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/* Strip /dev/ component. */
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if (strncmp(tty, _PATH_DEV, sizeof(_PATH_DEV) - 1) == 0)
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tty = (const char *)tty + sizeof(_PATH_DEV) - 1;
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if ((flags & PAM_SILENT) == 0) {
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if (setutxdb(UTXDB_LASTLOGIN, NULL) != 0) {
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