25 lines
667 B
C
25 lines
667 B
C
/* vi: set sw=4 ts=4: */
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/*
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* /etc/securetty checking.
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*
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* Licensed under GPLv2, see file LICENSE in this source tree.
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*/
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#include "libbb.h"
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int FAST_FUNC is_tty_secure(const char *short_tty)
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{
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char *buf = (char*)"/etc/securetty"; /* any non-NULL is ok */
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parser_t *parser = config_open2("/etc/securetty", fopen_for_read);
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while (config_read(parser, &buf, 1, 1, "# \t", PARSE_NORMAL)) {
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if (strcmp(buf, short_tty) == 0)
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break;
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buf = NULL;
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}
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config_close(parser);
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/* buf != NULL here if config file was not found, empty
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* or line was found which equals short_tty.
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* In all these cases, we report "this tty is secure".
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*/
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return buf != NULL;
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}
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