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shared/ask-password-api: when echoing multi-byte characters, print the whole sequence

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This is untested, but I don't see how the previous code could have worked
for multibyte characters (with echo on).
This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2019-02-26 12:43:07 +01:00
parent 92e068b465
commit d26eef9252
1 changed files with 4 additions and 1 deletions
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5
src/shared/ask-password-api.c
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@ -442,8 +442,11 @@ int ask_password_tty(
/* Check if we got a complete UTF-8 character now. If so, let's output one '*'. */
n = utf8_encoded_valid_unichar(passphrase + codepoint, (size_t) -1);
if (n >= 0) {
if (flags & ASK_PASSWORD_ECHO)
(void) loop_write(ttyfd, passphrase + codepoint, n, false);
else
(void) loop_write(ttyfd, "*", 1, false);
codepoint = p;
(void) loop_write(ttyfd, (flags & ASK_PASSWORD_ECHO) ? &c : "*", 1, false);
}
}