Lennart Poettering
d66894a7a5
This new field allows specification of an fd on which the password prompt logic will look for POLLHUP events for, and if seen will abort the query. The usecase for this is that when we query for a pw on behalf of a Varlink client we can abort the query automatically if the client dies.
41 lines
2.6 KiB
C
41 lines
2.6 KiB
C
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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#pragma once
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#include <stdbool.h>
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#include "time-util.h"
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typedef enum AskPasswordFlags {
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ASK_PASSWORD_ACCEPT_CACHED = 1 << 0, /* read from kernel keyring */
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ASK_PASSWORD_PUSH_CACHE = 1 << 1, /* write to kernel keyring after getting password from elsewhere */
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ASK_PASSWORD_ECHO = 1 << 2, /* show the password literally while reading, instead of "*" */
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ASK_PASSWORD_SILENT = 1 << 3, /* do no show any password at all while reading */
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ASK_PASSWORD_NO_TTY = 1 << 4, /* never ask for password on tty */
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ASK_PASSWORD_NO_AGENT = 1 << 5, /* never ask for password via agent */
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ASK_PASSWORD_CONSOLE_COLOR = 1 << 6, /* Use color if /dev/console points to a console that supports color */
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ASK_PASSWORD_NO_CREDENTIAL = 1 << 7, /* never use $CREDENTIALS_DIRECTORY data */
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ASK_PASSWORD_HIDE_EMOJI = 1 << 8, /* hide the lock and key emoji */
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ASK_PASSWORD_HEADLESS = 1 << 9, /* headless mode: never query interactively */
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ASK_PASSWORD_USER = 1 << 10, /* query only our own agents, not any system password agents */
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} AskPasswordFlags;
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/* Encapsulates the mostly static fields of a password query */
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typedef struct AskPasswordRequest {
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const char *message; /* The human readable password prompt when asking interactively */
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const char *keyring; /* kernel keyring key name (key of "user" type) */
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const char *icon; /* freedesktop icon spec name */
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const char *id; /* some identifier used for this prompt for the "ask-password" protocol */
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const char *credential; /* $CREDENTIALS_DIRECTORY credential name */
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const char *flag_file; /* Once this flag file disappears abort the query */
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int tty_fd; /* If querying on a TTY, the TTY to query on (or -EBADF) */
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int hup_fd; /* An extra fd to watch for POLLHUP, in which case to abort the query */
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usec_t until; /* CLOCK_MONOTONIC time until which to show the prompt (if zero: forever) */
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} AskPasswordRequest;
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int ask_password_tty(const AskPasswordRequest *req, AskPasswordFlags flags, char ***ret);
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int ask_password_plymouth(const AskPasswordRequest *req, AskPasswordFlags flags, char ***ret);
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int ask_password_agent(const AskPasswordRequest *req, AskPasswordFlags flag, char ***ret);
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int ask_password_auto(const AskPasswordRequest *req, AskPasswordFlags flag, char ***ret);
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int acquire_user_ask_password_directory(char **ret);
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