login: small fixes like \n removal, bb_error_msg'ification, etc.

This commit is contained in:
Denis Vlasenko 2006-09-08 17:26:20 +00:00
parent 942e4291fe
commit 6bbd174593

View File

@ -58,7 +58,7 @@ static void motd(void);
static void alarm_handler(int sig ATTRIBUTE_UNUSED) static void alarm_handler(int sig ATTRIBUTE_UNUSED)
{ {
fprintf(stderr, "\nLogin timed out after %d seconds.\n", TIMEOUT); fprintf(stderr, "\r\nLogin timed out after %s seconds\r\n", TIMEOUT);
exit(EXIT_SUCCESS); exit(EXIT_SUCCESS);
} }
@ -146,14 +146,15 @@ int login_main(int argc, char **argv)
#ifdef CONFIG_FEATURE_UTMP #ifdef CONFIG_FEATURE_UTMP
safe_strncpy(utent.ut_host, opt_host, sizeof(utent.ut_host)); safe_strncpy(utent.ut_host, opt_host, sizeof(utent.ut_host));
#endif #endif
snprintf(fromhost, sizeof(fromhost)-1, " on `%.100s' from `%.200s'", tty, opt_host); snprintf(fromhost, sizeof(fromhost)-1, " on `%.100s' from "
"`%.200s'", tty, opt_host);
} }
else else
snprintf(fromhost, sizeof(fromhost)-1, " on `%.100s'", tty); snprintf(fromhost, sizeof(fromhost)-1, " on `%.100s'", tty);
bb_setpgrp; bb_setpgrp;
openlog("login", LOG_PID | LOG_CONS | LOG_NOWAIT, LOG_AUTH); openlog(bb_applet_name, LOG_PID | LOG_CONS | LOG_NOWAIT, LOG_AUTH);
while (1) { while (1) {
failed = 0; failed = 0;
@ -207,7 +208,7 @@ auth_ok:
puts("Login incorrect"); puts("Login incorrect");
username[0] = 0; username[0] = 0;
if (++count == 3) { if (++count == 3) {
syslog(LOG_WARNING, "invalid password for `%s'%s'\n", pw->pw_name, fromhost); syslog(LOG_WARNING, "invalid password for `%s'%s", pw->pw_name, fromhost);
return EXIT_FAILURE; return EXIT_FAILURE;
} }
} }
@ -230,29 +231,26 @@ auth_ok:
security_context_t old_tty_sid, new_tty_sid; security_context_t old_tty_sid, new_tty_sid;
if (get_default_context(username, NULL, &user_sid)) { if (get_default_context(username, NULL, &user_sid)) {
fprintf(stderr, "Unable to get SID for %s\n", username); bb_error_msg_and_die("unable to get SID for %s",
exit(1); username);
} }
if (getfilecon(full_tty, &old_tty_sid) < 0) { if (getfilecon(full_tty, &old_tty_sid) < 0) {
fprintf(stderr, "getfilecon(%.100s) failed: " bb_perror_msg_and_die("getfilecon(%.100s) failed",
"%.100s\n", full_tty, strerror(errno)); full_tty);
return EXIT_FAILURE;
} }
if (security_compute_relabel(user_sid, old_tty_sid, SECCLASS_CHR_FILE, if (security_compute_relabel(user_sid, old_tty_sid,
&new_tty_sid) != 0) { SECCLASS_CHR_FILE, &new_tty_sid) != 0) {
fprintf(stderr, "security_change_sid(%.100s) failed: " bb_perror_msg_and_die("security_change_sid(%.100s) failed",
"%.100s\n", full_tty, strerror(errno)); full_tty);
return EXIT_FAILURE;
} }
if (setfilecon(full_tty, new_tty_sid) != 0) { if (setfilecon(full_tty, new_tty_sid) != 0) {
fprintf(stderr, "chsid(%.100s, %s) failed: " bb_perror_msg_and_die("chsid(%.100s, %s) failed",
"%.100s\n", full_tty, new_tty_sid, strerror(errno)); full_tty, new_tty_sid);
return EXIT_FAILURE;
} }
} }
#endif #endif
if (!is_my_tty(full_tty)) if (!is_my_tty(full_tty))
syslog(LOG_ERR, "unable to determine TTY name, got %s\n", full_tty); syslog(LOG_ERR, "unable to determine TTY name, got %s", full_tty);
/* Try these, but don't complain if they fail /* Try these, but don't complain if they fail
* (for example when the root fs is read only) */ * (for example when the root fs is read only) */
@ -290,7 +288,7 @@ auth_ok:
signal(SIGALRM, SIG_DFL); /* default alarm signal */ signal(SIGALRM, SIG_DFL); /* default alarm signal */
if (pw->pw_uid == 0) if (pw->pw_uid == 0)
syslog(LOG_INFO, "root login %s\n", fromhost); syslog(LOG_INFO, "root login %s", fromhost);
#ifdef CONFIG_SELINUX #ifdef CONFIG_SELINUX
/* well, a simple setexeccon() here would do the job as well, /* well, a simple setexeccon() here would do the job as well,
* but let's play the game for now */ * but let's play the game for now */