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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-14 19:10:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-14 19:10:49 +0000 |
commit | cfe5e3905201349e9cf3f95d52ff4bd100bde37d (patch) | |
tree | d0baf160cbee3195249d095f85e52d20c21acf02 /login-utils/ch-common.c | |
parent | Initial commit. (diff) | |
download | util-linux-cfe5e3905201349e9cf3f95d52ff4bd100bde37d.tar.xz util-linux-cfe5e3905201349e9cf3f95d52ff4bd100bde37d.zip |
Adding upstream version 2.39.3.upstream/2.39.3
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'login-utils/ch-common.c')
-rw-r--r-- | login-utils/ch-common.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/login-utils/ch-common.c b/login-utils/ch-common.c new file mode 100644 index 0000000..34b09f3 --- /dev/null +++ b/login-utils/ch-common.c @@ -0,0 +1,34 @@ +/* + * chfn and chsh shared functions + * + * this program is free software. you can redistribute it and + * modify it under the terms of the gnu general public license. + * there is no warranty. + */ + +#include <ctype.h> +#include <string.h> + +#include "c.h" +#include "nls.h" + +#include "ch-common.h" + +/* + * illegal_passwd_chars () - + * check whether a string contains illegal characters + */ +int illegal_passwd_chars(const char *str) +{ + const char illegal[] = ",:=\"\n"; + const size_t len = strlen(str); + size_t i; + + if (strpbrk(str, illegal)) + return 1; + for (i = 0; i < len; i++) { + if (iscntrl(str[i])) + return 1; + } + return 0; +} |