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/* Test of sh-quote module.
Copyright (C) 2012-2019 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
/* Written by Bruno Haible <bruno@clisp.org>, 2012. */
#include <config.h>
/* Specification. */
#include "sh-quote.h"
#include <limits.h>
#include <string.h>
#include "macros.h"
static void
check_one (const char *input, const char *expected)
{
char buf[1000];
size_t output_len;
char *output;
char *bufend;
output_len = shell_quote_length (input);
output = shell_quote (input);
ASSERT (strlen (output) == output_len);
ASSERT (output_len <= sizeof (buf) - 2);
memset (buf, '\0', output_len + 1);
buf[output_len + 1] = '%';
bufend = shell_quote_copy (buf, input);
ASSERT (bufend == buf + output_len);
ASSERT (memcmp (buf, output, output_len + 1) == 0);
ASSERT (buf[output_len + 1] == '%');
ASSERT (strcmp (output, expected) == 0);
free (output);
}
int
main (void)
{
/* Check the shell_quote_length, shell_quote_copy, shell_quote functions. */
{
int c;
/* Empty argument. */
check_one ("", "''");
/* Identifier or number. */
check_one ("foo", "foo");
check_one ("phr0ck", "phr0ck");
/* Whitespace would be interpreted as argument separator by the shell. */
check_one ("foo\tbar", "'foo\tbar'");
check_one ("foo\nbar", "'foo\nbar'");
check_one ("foo\rbar", "'foo\rbar'");
check_one ("foo bar", "'foo bar'");
/* '!' at the beginning of argv[0] would introduce a negated command. */
check_one ("!foo", "'!foo'");
/* '"' would be interpreted as the start of a string. */
check_one ("\"foo\"bar", "'\"foo\"bar'");
/* '#' at the beginning of an argument would be interpreted as the start
of a comment. */
check_one ("#foo", "'#foo'");
/* '$' at the beginning of an argument would be interpreted as a variable
reference. */
check_one ("$foo", "'$foo'");
/* '&' at the beginning of an argument would be interpreted as a background
task indicator. */
check_one ("&", "'&'");
/* "'" would be interpreted as the start of a string. */
check_one ("'foo'bar", "\"'foo'bar\"");
/* '(' at the beginning of argv[0] would introduce a subshell command. */
check_one ("(", "'('");
/* ')' at the beginning of an argument would be interpreted as the end of
the command. */
check_one (")", "')'");
/* '*' would be interpreted as a wildcard character. */
check_one ("*", "'*'");
check_one ("*foo", "'*foo'");
/* ';' at the beginning of an argument would be interpreted as an empty
statement in argv[0] and as the end of the command otherwise. */
check_one (";", "';'");
check_one ("foo;", "'foo;'");
/* '<' would be interpreted as a redirection of stdin. */
check_one ("<", "'<'");
/* '=' inside argv[0] would be interpreted as an environment variable
assignment. */
check_one ("foo=bar", "'foo=bar'");
/* '>' would be interpreted as a redirection of stdout. */
check_one (">", "'>'");
/* '?' would be interpreted as a wildcard character. */
check_one ("?", "'?'");
check_one ("foo?bar", "'foo?bar'");
/* '^' would be interpreted in old /bin/sh, e.g. SunOS 4.1.4. */
check_one ("^", "'^'");
/* "[...]" would be interpreted as a wildcard pattern. */
check_one ("[", "'['");
check_one ("]", "]"); /* or "']'" */
/* '\' would be interpreted as an escape character. */
check_one ("\\foo", "'\\foo'");
/* '`' would be interpreted as the start of a command substitution. */
check_one ("`foo", "'`foo'");
/* '{' at the beginning of argv[0] would introduce a complex command. */
check_one ("{", "'{'");
/* '|' at the beginning of an argument would be interpreted as a pipe
between commands. */
check_one ("|", "'|'");
/* '}' at the beginning of an argument would be interpreted as the end of
the command. */
check_one ("}", "'}'");
/* '~' at the beginning of an argument would be interpreted as a reference
to a user's home directory. */
check_one ("~", "'~'");
check_one ("~foo", "'~foo'");
/* A string that contains both ' and ". */
check_one ("foo'bar\"baz", "'foo'\\''bar\"baz'"); /* or "\"foo'bar\\\"baz\"" */
/* All other characters don't need quoting. */
for (c = 1; c <= UCHAR_MAX; c++)
if (strchr ("\t\n\r !\"#$&'()*;<=>?^[\\]`{|}~", c) == NULL)
{
char s[5];
s[0] = 'a';
s[1] = (char) c;
s[2] = 'z';
s[3] = (char) c;
s[4] = '\0';
check_one (s, s);
}
}
/* Check the shell_quote_argv function. */
{
char *argv[1];
char *result;
argv[0] = NULL;
result = shell_quote_argv (argv);
ASSERT (strcmp (result, "") == 0);
free (result);
}
{
char *argv[2];
char *result;
argv[0] = (char *) "foo bar/baz";
argv[1] = NULL;
result = shell_quote_argv (argv);
ASSERT (strcmp (result, "'foo bar/baz'") == 0); /* or "\"foo bar/baz\"" */
free (result);
}
{
char *argv[3];
char *result;
argv[0] = (char *) "foo bar/baz";
argv[1] = (char *) "$";
argv[2] = NULL;
result = shell_quote_argv (argv);
ASSERT (strcmp (result, "'foo bar/baz' '$'") == 0); /* or "\"foo bar/baz\" \"\\$\"" */
free (result);
}
return 0;
}
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