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-rw-r--r--term-utils/agetty.c149
1 files changed, 78 insertions, 71 deletions
diff --git a/term-utils/agetty.c b/term-utils/agetty.c
index cf87255..0fc6f15 100644
--- a/term-utils/agetty.c
+++ b/term-utils/agetty.c
@@ -48,6 +48,8 @@
#include "ttyutils.h"
#include "color-names.h"
#include "env.h"
+#include "path.h"
+#include "fileutils.h"
#include "logindefs.h"
@@ -73,35 +75,16 @@
# endif
#endif
+#ifdef USE_SYSTEMD
+# include <systemd/sd-daemon.h>
+# include <systemd/sd-login.h>
+#endif
+
#ifdef __linux__
# include <sys/kd.h>
# define USE_SYSLOG
-# ifndef DEFAULT_VCTERM
-# define DEFAULT_VCTERM "linux"
-# endif
-# if defined (__s390__) || defined (__s390x__)
-# define DEFAULT_TTYS0 "dumb"
-# define DEFAULT_TTY32 "ibm327x"
-# define DEFAULT_TTYS1 "vt220"
-# endif
-# ifndef DEFAULT_STERM
-# define DEFAULT_STERM "vt102"
-# endif
#elif defined(__GNU__)
# define USE_SYSLOG
-# ifndef DEFAULT_VCTERM
-# define DEFAULT_VCTERM "hurd"
-# endif
-# ifndef DEFAULT_STERM
-# define DEFAULT_STERM "vt102"
-# endif
-#else
-# ifndef DEFAULT_VCTERM
-# define DEFAULT_VCTERM "vt100"
-# endif
-# ifndef DEFAULT_STERM
-# define DEFAULT_STERM "vt100"
-# endif
#endif
#ifdef __FreeBSD_kernel__
@@ -139,7 +122,6 @@
# define ISSUE_SUPPORT
# if defined(HAVE_SCANDIRAT) && defined(HAVE_OPENAT)
# include <dirent.h>
-# include "fileutils.h"
# define ISSUEDIR_SUPPORT
# define ISSUEDIR_EXT ".issue"
# define ISSUEDIR_EXTSIZ (sizeof(ISSUEDIR_EXT) - 1)
@@ -353,6 +335,7 @@ static void reload_agettys(void);
static void print_issue_file(struct issue *ie, struct options *op, struct termios *tp);
static void eval_issue_file(struct issue *ie, struct options *op, struct termios *tp);
static void show_issue(struct options *op);
+static void load_credentials(struct options *op);
/* Fake hostname for ut_host specified on command line. */
@@ -413,6 +396,9 @@ int main(int argc, char **argv)
}
#endif /* DEBUGGING */
+ /* Load systemd credentials. */
+ load_credentials(&options);
+
/* Parse command-line arguments. */
parse_args(argc, argv, &options);
@@ -575,7 +561,6 @@ int main(int argc, char **argv)
log_warn(_("%s: can't change process priority: %m"),
options.tty);
- free(options.osrelease);
#ifdef DEBUGGING
if (close_stream(dbf) != 0)
log_err("write failed: %s", DEBUG_OUTPUT);
@@ -583,6 +568,10 @@ int main(int argc, char **argv)
/* Let the login program take care of password validation. */
execv(options.login, login_argv);
+
+ free(options.osrelease);
+ free(options.autolog);
+
log_err(_("%s: can't exec %s: %m"), options.tty, login_argv[0]);
}
@@ -779,7 +768,10 @@ static void parse_args(int argc, char **argv, struct options *op)
op->flags |= F_EIGHTBITS;
break;
case 'a':
- op->autolog = optarg;
+ free(op->autolog);
+ op->autolog = strdup(optarg);
+ if (!op->autolog)
+ log_err(_("failed to allocate memory: %m"));
break;
case 'c':
op->flags |= F_KEEPCFLAGS;
@@ -1182,35 +1174,6 @@ static void open_tty(const char *tty, struct termios *tp, struct options *op)
if (tcgetattr(STDIN_FILENO, tp) < 0)
log_err(_("%s: failed to get terminal attributes: %m"), tty);
-#ifdef HAVE_GETTTYNAM
- if (!op->term) {
- struct ttyent *ent = getttynam(tty);
- /* a bit nasty as it's never freed */
- if (ent && ent->ty_type) {
- op->term = strdup(ent->ty_type);
- if (!op->term)
- log_err(_("failed to allocate memory: %m"));
- }
- }
-#endif
-
-#if defined (__s390__) || defined (__s390x__)
- if (!op->term) {
- /*
- * Special terminal on first serial line on a S/390(x) which
- * is due legacy reasons a block terminal of type 3270 or
- * higher. Whereas the second serial line on a S/390(x) is
- * a real character terminal which is compatible with VT220.
- */
- if (strcmp(op->tty, "ttyS0") == 0) /* linux/drivers/s390/char/con3215.c */
- op->term = DEFAULT_TTYS0;
- else if (strncmp(op->tty, "3270/tty", 8) == 0) /* linux/drivers/s390/char/con3270.c */
- op->term = DEFAULT_TTY32;
- else if (strcmp(op->tty, "ttyS1") == 0) /* linux/drivers/s390/char/sclp_vt220.c */
- op->term = DEFAULT_TTYS1;
- }
-#endif
-
#if defined(__FreeBSD_kernel__)
login_tty (0);
#endif
@@ -1227,16 +1190,16 @@ static void open_tty(const char *tty, struct termios *tp, struct options *op)
#endif
{
op->flags |= F_VCONSOLE;
- if (!op->term)
- op->term = DEFAULT_VCTERM;
} else {
#ifdef K_RAW
op->kbmode = K_RAW;
#endif
- if (!op->term)
- op->term = DEFAULT_STERM;
}
+ op->term = get_terminal_default_type(op->tty, !(op->flags & F_VCONSOLE));
+ if (!op->term)
+ log_err(_("failed to allocate memory: %m"));
+
if (setenv("TERM", op->term, 1) != 0)
log_err(_("failed to set the %s environment variable"), "TERM");
}
@@ -2021,7 +1984,7 @@ static void eval_issue_file(struct issue *ie,
/* Fallback @sysconfstaticdir (usually /usr/lib) -- the file is not
* required to read the dir
*/
- issuefile_read(ie, _PATH_SYSCONFSTATICDIR "/" _PATH_ISSUE_FILENAME, op, tp);
+ issuefile_read(ie, _PATH_SYSCONFSTATICDIR "/" _PATH_ISSUE_FILENAME, op, tp);
issuedir_read(ie, _PATH_SYSCONFSTATICDIR "/" _PATH_ISSUE_DIRNAME, op, tp);
done:
@@ -2524,9 +2487,9 @@ static void __attribute__((__noreturn__)) usage(void)
fputs(_(" --nice <number> run login with this priority\n"), out);
fputs(_(" --reload reload prompts on running agetty instances\n"), out);
fputs(_(" --list-speeds display supported baud rates\n"), out);
- printf( " --help %s\n", USAGE_OPTSTR_HELP);
- printf( " --version %s\n", USAGE_OPTSTR_VERSION);
- printf(USAGE_MAN_TAIL("agetty(8)"));
+ fprintf(out, " --help %s\n", USAGE_OPTSTR_HELP);
+ fprintf(out, " --version %s\n", USAGE_OPTSTR_VERSION);
+ fprintf(out, USAGE_MAN_TAIL("agetty(8)"));
exit(EXIT_SUCCESS);
}
@@ -2556,7 +2519,7 @@ static void dolog(int priority
* automatically prepended to the message. If we write directly to
* /dev/console, we must prepend the process name ourselves.
*/
- openlog(program_invocation_short_name, LOG_PID, LOG_AUTHPRIV);
+ openlog("agetty", LOG_PID, LOG_AUTHPRIV);
vsyslog(priority, fmt, ap);
closelog();
#else
@@ -2864,12 +2827,23 @@ static void output_special_char(struct issue *ie,
case 'U':
{
int users = 0;
- struct utmpx *ut;
- setutxent();
- while ((ut = getutxent()))
- if (ut->ut_type == USER_PROCESS)
- users++;
- endutxent();
+#ifdef USE_SYSTEMD
+ if (sd_booted() > 0) {
+ users = sd_get_sessions(NULL);
+ if (users < 0)
+ users = 0;
+ } else {
+#endif
+ users = 0;
+ struct utmpx *ut;
+ setutxent();
+ while ((ut = getutxent()))
+ if (ut->ut_type == USER_PROCESS)
+ users++;
+ endutxent();
+#ifdef USE_SYSTEMD
+ }
+#endif
if (c == 'U')
fprintf(ie->output, P_("%d user", "%d users", users), users);
else
@@ -3020,3 +2994,36 @@ static void reload_agettys(void)
errx(EXIT_FAILURE, _("--reload is unsupported on your system"));
#endif
}
+
+static void load_credentials(struct options *op) {
+ char *env;
+ DIR *dir;
+ struct dirent *d;
+ struct path_cxt *pc;
+
+ env = safe_getenv("CREDENTIALS_DIRECTORY");
+ if (!env)
+ return;
+
+ pc = ul_new_path("%s", env);
+ if (!pc) {
+ log_warn(_("failed to initialize path context"));
+ return;
+ }
+
+ dir = ul_path_opendir(pc, NULL);
+ if (!dir) {
+ log_warn(_("failed to open credentials directory"));
+ return;
+ }
+
+ while ((d = xreaddir(dir))) {
+ char *str;
+
+ if (strcmp(d->d_name, "agetty.autologin") == 0) {
+ ul_path_read_string(pc, &str, d->d_name);
+ free(op->autolog);
+ op->autolog = str;
+ }
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-02 11:03:51 +0000