diff options
| author | Kaarle Ritvanen <kaarle.ritvanen@datakunkku.fi> | 2016-01-02 00:20:39 +0200 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2017-04-13 12:39:03 +0200 |
| commit | 517a82c5b6b5e279f3e96a6774445a2952ca312b (patch) | |
| tree | 5eff7ec6bb69bceedcea35fce37cf0e4380fea82 | |
| parent | c054822027a4a6895bc95979c6c10ff5763c7c7e (diff) | |
login: move check_securetty to libbb
Signed-off-by: Kaarle Ritvanen <kaarle.ritvanen@datakunkku.fi>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| -rw-r--r-- | include/libbb.h | 5 | ||||
| -rw-r--r-- | libbb/Kbuild.src | 1 | ||||
| -rw-r--r-- | libbb/securetty.c | 22 | ||||
| -rw-r--r-- | loginutils/login.c | 19 |
4 files changed, 28 insertions, 19 deletions
diff --git a/include/libbb.h b/include/libbb.h index 777a4a884..6b33ffad6 100644 --- a/include/libbb.h +++ b/include/libbb.h @@ -1481,6 +1481,11 @@ extern void selinux_or_die(void) FAST_FUNC; #define SETUP_ENV_NO_CHDIR (1 << 4) void setup_environment(const char *shell, int flags, const struct passwd *pw) FAST_FUNC; void nuke_str(char *str) FAST_FUNC; +#if ENABLE_FEATURE_SECURETTY && !ENABLE_PAM +int check_securetty(const char *short_tty) FAST_FUNC; +#else +static ALWAYS_INLINE int check_securetty(const char *short_tty UNUSED_PARAM) { return 1; } +#endif int check_password(const struct passwd *pw, const char *plaintext) FAST_FUNC; int ask_and_check_password_extended(const struct passwd *pw, int timeout, const char *prompt) FAST_FUNC; int ask_and_check_password(const struct passwd *pw) FAST_FUNC; diff --git a/libbb/Kbuild.src b/libbb/Kbuild.src index 898a51a89..49493c501 100644 --- a/libbb/Kbuild.src +++ b/libbb/Kbuild.src @@ -83,6 +83,7 @@ lib-y += safe_gethostname.o lib-y += safe_poll.o lib-y += safe_strncpy.o lib-y += safe_write.o +lib-y += securetty.o lib-y += setup_environment.o lib-y += signals.o lib-y += simplify_path.o diff --git a/libbb/securetty.c b/libbb/securetty.c new file mode 100644 index 000000000..176cee129 --- /dev/null +++ b/libbb/securetty.c @@ -0,0 +1,22 @@ +/* vi: set sw=4 ts=4: */ +/* + * /etc/securetty checking. + * + * Licensed under GPLv2, see file LICENSE in this source tree. + */ +#include "libbb.h" + +int FAST_FUNC check_securetty(const char *short_tty) +{ + char *buf = (char*)"/etc/securetty"; /* any non-NULL is ok */ + parser_t *parser = config_open2("/etc/securetty", fopen_for_read); + while (config_read(parser, &buf, 1, 1, "# \t", PARSE_NORMAL)) { + if (strcmp(buf, short_tty) == 0) + break; + buf = NULL; + } + config_close(parser); + /* buf != NULL here if config file was not found, empty + * or line was found which equals short_tty */ + return buf != NULL; +} diff --git a/loginutils/login.c b/loginutils/login.c index d1757a65d..661a87448 100644 --- a/loginutils/login.c +++ b/loginutils/login.c @@ -175,25 +175,6 @@ static void die_if_nologin(void) # define die_if_nologin() ((void)0) #endif -#if ENABLE_FEATURE_SECURETTY && !ENABLE_PAM -static int check_securetty(const char *short_tty) -{ - char *buf = (char*)"/etc/securetty"; /* any non-NULL is ok */ - parser_t *parser = config_open2("/etc/securetty", fopen_for_read); - while (config_read(parser, &buf, 1, 1, "# \t", PARSE_NORMAL)) { - if (strcmp(buf, short_tty) == 0) - break; - buf = NULL; - } - config_close(parser); - /* buf != NULL here if config file was not found, empty - * or line was found which equals short_tty */ - return buf != NULL; -} -#else -static ALWAYS_INLINE int check_securetty(const char *short_tty UNUSED_PARAM) { return 1; } -#endif - #if ENABLE_SELINUX static void initselinux(char *username, char *full_tty, security_context_t *user_sid) |