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Use the SUDO_CONV_PREFER_TTY flag during authentication.

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This prevents the password and PAM prompts from being redirected.
Bug #895
This commit is contained in:
Todd C. Miller
2019-08-26 19:30:11 -06:00
parent 5a22865131
commit 972670bfca
9 changed files with 51 additions and 29 deletions
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2
plugins/sudoers/auth/fwtk.c
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@@ -109,7 +109,7 @@ restart:
} else if (strncmp(resp, "password", 8) == 0) {
pass = auth_getpass(prompt, SUDO_CONV_PROMPT_ECHO_OFF, callback);
} else if (strncmp(resp, "display ", 8) == 0) {
sudo_printf(SUDO_CONV_INFO_MSG, "%s\n", &resp[8]);
sudo_printf(SUDO_CONV_INFO_MSG|SUDO_CONV_PREFER_TTY, "%s\n", &resp[8]);
strlcpy(buf, "response dummy", sizeof(buf));
goto restart;
} else {