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3d35b3c0e5
* src/stty.c (string_to_baud): Disallow extraneous characters after floating point numbers. * tests/stty/stty-invalid.sh: Add test cases.
68 lines
2.5 KiB
Bash
Executable File
68 lines
2.5 KiB
Bash
Executable File
#!/bin/sh
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# Ensure that stty diagnoses invalid inputs, rather than silently misbehaving.
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# Copyright (C) 2007-2025 Free Software Foundation, Inc.
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
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print_ver_ stty
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require_controlling_input_terminal_
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require_trap_signame_
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getlimits_
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trap '' TTOU # Ignore SIGTTOU
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saved_state=$(stty -g) || fail=1
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stty $saved_state || fail=1
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# Before coreutils-6.9.90, if stty were given an argument with 35 colons
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# separating 36 hexadecimal strings, stty would fail to diagnose as invalid
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# any number that was out of range as long as sscanf happened to
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# overflow/wrap it back into the range of the corresponding type (either
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# tcflag_t or cc_t).
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# For each of the following, with coreutils-6.9 and earlier,
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# stty would fail to diagnose the error on at least Solaris 10.
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hex_2_64=10000000000000000
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returns_ 1 stty $(echo $saved_state |sed 's/^[^:]*:/'$hex_2_64:/) \
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2>/dev/null || fail=1
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returns_ 1 stty $(echo $saved_state |sed 's/:[0-9a-f]*$/:'$hex_2_64/) \
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2>/dev/null || fail=1
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# From coreutils 5.3.0 to 8.28, the following would crash
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# due to incorrect argument handling.
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if tty -s </dev/tty; then
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returns_ 1 stty eol -F /dev/tty || fail=1
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returns_ 1 stty -F /dev/tty eol || fail=1
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returns_ 1 stty -F/dev/tty eol || fail=1
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returns_ 1 stty eol -F/dev/tty eol || fail=1
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fi
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# coreutils >= 9.8 supports arbitrary speeds on some systems
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# so restrict tests here to invalid numbers
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# We simulate unsupported numbers in a separate "LD_PRELOAD" test.
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WRAP_9600="$(expr $ULONG_OFLOW - 9600)"
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for speed in 9599.. 9600.. 9600.5. 9600.50. 9600.0. ++9600 \
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-$WRAP_9600 --$WRAP_9600 0x2580 96E2 9600,0 '9600.0 '; do
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returns_ 1 stty ispeed "$speed" || fail=1
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done
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# Just in case either of the above mistakenly succeeds (and changes
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# the state of our tty), try to restore the initial state.
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stty $saved_state || fail=1
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Exit $fail
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