diff options
Diffstat (limited to 'loginutils/login.c')
| -rw-r--r-- | loginutils/login.c | 34 |
1 files changed, 12 insertions, 22 deletions
diff --git a/loginutils/login.c b/loginutils/login.c index 9c7941e..5a75ed2 100644 --- a/loginutils/login.c +++ b/loginutils/login.c @@ -122,7 +122,7 @@ static void die_if_nologin(void) if (access("/etc/nologin", F_OK)) return; - fp = fopen("/etc/nologin", "r"); + fp = fopen_for_read("/etc/nologin"); if (fp) { while ((c = getc(fp)) != EOF) bb_putchar((c=='\n') ? '\r' : c); @@ -139,30 +139,20 @@ static ALWAYS_INLINE void die_if_nologin(void) {} #if ENABLE_FEATURE_SECURETTY && !ENABLE_PAM static int check_securetty(void) { - FILE *fp; - int i; - char buf[256]; - - fp = fopen("/etc/securetty", "r"); - if (!fp) { - /* A missing securetty file is not an error. */ - return 1; - } - while (fgets(buf, sizeof(buf)-1, fp)) { - for (i = strlen(buf)-1; i >= 0; --i) { - if (!isspace(buf[i])) + char *buf; + int ret = 1; + parser_t *parser = config_open2("/etc/securetty", fopen_for_read); + /* N.B. A missing securetty file is not an error. */ + if (parser) { + while (config_read(parser, &buf, 1, 1, "# \t", 0)) { + if (strcmp(buf, short_tty) == 0) break; } - buf[++i] = '\0'; - if (!buf[0] || (buf[0] == '#')) - continue; - if (strcmp(buf, short_tty) == 0) { - fclose(fp); - return 1; - } + config_close(parser); + // buf != NULL here iff config file was empty (OK) or buf equals short_tty (OK) + ret = buf != NULL; } - fclose(fp); - return 0; + return ret; } #else static ALWAYS_INLINE int check_securetty(void) { return 1; } |