65 lines
1.8 KiB
C
65 lines
1.8 KiB
C
/*
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* Copyright (c) 2014, 2015 Jonas 'Sortie' Termansen.
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* Copyright (c) 2023 dzwdz.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* login.h
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* Authenticates users.
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*/
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#ifndef LOGIN_H
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#define LOGIN_H
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struct check
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{
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sigset_t oldset;
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struct termios tio;
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pid_t pid;
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int pipe;
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union
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{
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int errnum;
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unsigned char errnum_bytes[sizeof(int)];
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};
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unsigned int errnum_done;
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bool pipe_nonblock;
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};
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enum special_action
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{
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SPECIAL_ACTION_NONE,
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SPECIAL_ACTION_POWEROFF,
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SPECIAL_ACTION_REBOOT,
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SPECIAL_ACTION_HALT,
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};
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bool login(const char* username, const char* session);
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bool check_real(const char* username, const char* password);
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bool check_begin(struct check* chk,
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const char* username,
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const char* password,
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bool restrict_termmode);
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bool check_end(struct check* chk, bool* result, bool try);
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bool check(const char* username, const char* password);
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int graphical(void);
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int textual(void);
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bool parse_username(const char* input,
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char** out_username,
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char** out_session,
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enum special_action* action);
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void handle_special(enum special_action action);
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#endif
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