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-rw-r--r--gnulib-tests/test-quotearg-simple.c366
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diff --git a/gnulib-tests/test-quotearg-simple.c b/gnulib-tests/test-quotearg-simple.c
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+++ b/gnulib-tests/test-quotearg-simple.c
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+/* Test of quotearg family of functions.
+ Copyright (C) 2008-2022 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, 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 Eric Blake <ebb9@byu.net>, 2008. */
+
+#include <config.h>
+
+#include "quotearg.h"
+
+#include <ctype.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "localcharset.h"
+#include "macros.h"
+#include "zerosize-ptr.h"
+
+#include "test-quotearg.h"
+
+static struct result_groups results_g[] = {
+ /* literal_quoting_style */
+ { { "", "\0""1\0", 3, "simple", " \t\n'\"\033?""?/\\", "a:b", "a\\b",
+ "a' b", LQ RQ, LQ RQ },
+ { "", "1", 1, "simple", " \t\n'\"\033?""?/\\", "a:b", "a\\b",
+ "a' b", LQ RQ, LQ RQ },
+ { "", "1", 1, "simple", " \t\n'\"\033?""?/\\", "a:b", "a\\b",
+ "a' b", LQ RQ, LQ RQ } },
+
+ /* shell_quoting_style */
+ { { "''", "\0""1\0", 3, "simple", "' \t\n'\\''\"\033?""?/\\'", "a:b",
+ "'a\\b'", "\"a' b\"", LQ RQ, LQ RQ },
+ { "''", "1", 1, "simple", "' \t\n'\\''\"\033?""?/\\'", "a:b",
+ "'a\\b'", "\"a' b\"", LQ RQ, LQ RQ },
+ { "''", "1", 1, "simple", "' \t\n'\\''\"\033?""?/\\'", "'a:b'",
+ "'a\\b'", "\"a' b\"", LQ RQ, LQ RQ } },
+
+ /* shell_always_quoting_style */
+ { { "''", "'\0""1\0'", 5, "'simple'", "' \t\n'\\''\"\033?""?/\\'", "'a:b'",
+ "'a\\b'", "\"a' b\"", "'" LQ RQ "'", "'" LQ RQ "'" },
+ { "''", "'1'", 3, "'simple'", "' \t\n'\\''\"\033?""?/\\'", "'a:b'",
+ "'a\\b'", "\"a' b\"", "'" LQ RQ "'", "'" LQ RQ "'" },
+ { "''", "'1'", 3, "'simple'", "' \t\n'\\''\"\033?""?/\\'", "'a:b'",
+ "'a\\b'", "\"a' b\"", "'" LQ RQ "'", "'" LQ RQ "'" } },
+
+ /* shell_escape_quoting_style */
+ { { "''", "''$'\\0''1'$'\\0'", 15, "simple",
+ "' '$'\\t\\n'\\''\"'$'\\033''?""?/\\'", "a:b",
+ "'a\\b'", "\"a' b\"", "''$'" LQ_ENC RQ_ENC "'", LQ RQ },
+ { "''", "''$'\\0''1'$'\\0'", 15, "simple",
+ "' '$'\\t\\n'\\''\"'$'\\033''?""?/\\'", "a:b",
+ "'a\\b'", "\"a' b\"", "''$'" LQ_ENC RQ_ENC "'", LQ RQ },
+ { "''", "''$'\\0''1'$'\\0'", 15, "simple",
+ "' '$'\\t\\n'\\''\"'$'\\033''?""?/\\'", "'a:b'",
+ "'a\\b'", "\"a' b\"", "''$'" LQ_ENC RQ_ENC "'", LQ RQ } },
+
+ /* shell_escape_always_quoting_style */
+ { { "''", "''$'\\0''1'$'\\0'", 15, "'simple'",
+ "' '$'\\t\\n'\\''\"'$'\\033''?""?/\\'", "'a:b'",
+ "'a\\b'", "\"a' b\"", "''$'" LQ_ENC RQ_ENC "'", "'" LQ RQ "'" },
+ { "''", "''$'\\0''1'$'\\0'", 15, "'simple'",
+ "' '$'\\t\\n'\\''\"'$'\\033''?""?/\\'", "'a:b'",
+ "'a\\b'", "\"a' b\"", "''$'" LQ_ENC RQ_ENC "'", "'" LQ RQ "'" },
+ { "''", "''$'\\0''1'$'\\0'", 15, "'simple'",
+ "' '$'\\t\\n'\\''\"'$'\\033''?""?/\\'", "'a:b'",
+ "'a\\b'", "\"a' b\"", "''$'" LQ_ENC RQ_ENC "'", "'" LQ RQ "'" } },
+
+ /* c_quoting_style */
+ { { "\"\"", "\"\\0001\\0\"", 9, "\"simple\"",
+ "\" \\t\\n'\\\"\\033?""?/\\\\\"", "\"a:b\"", "\"a\\\\b\"",
+ "\"a' b\"", "\"" LQ_ENC RQ_ENC "\"", "\"" LQ RQ "\"" },
+ { "\"\"", "\"\\0001\\0\"", 9, "\"simple\"",
+ "\" \\t\\n'\\\"\\033?""?/\\\\\"", "\"a:b\"", "\"a\\\\b\"",
+ "\"a' b\"", "\"" LQ_ENC RQ_ENC "\"", "\"" LQ RQ "\"" },
+ { "\"\"", "\"\\0001\\0\"", 9, "\"simple\"",
+ "\" \\t\\n'\\\"\\033?""?/\\\\\"", "\"a\\:b\"", "\"a\\\\b\"",
+ "\"a' b\"", "\"" LQ_ENC RQ_ENC "\"", "\"" LQ RQ "\"" } },
+
+ /* c_maybe_quoting_style */
+ { { "", "\"\\0001\\0\"", 9, "simple", "\" \\t\\n'\\\"\\033?""?/\\\\\"",
+ "a:b", "a\\b", "a' b", "\"" LQ_ENC RQ_ENC "\"", LQ RQ },
+ { "", "\"\\0001\\0\"", 9, "simple", "\" \\t\\n'\\\"\\033?""?/\\\\\"",
+ "a:b", "a\\b", "a' b", "\"" LQ_ENC RQ_ENC "\"", LQ RQ },
+ { "", "\"\\0001\\0\"", 9, "simple", "\" \\t\\n'\\\"\\033?""?/\\\\\"",
+ "\"a:b\"", "a\\b", "a' b", "\"" LQ_ENC RQ_ENC "\"", LQ RQ } },
+
+ /* escape_quoting_style */
+ { { "", "\\0001\\0", 7, "simple", " \\t\\n'\"\\033?""?/\\\\", "a:b",
+ "a\\\\b", "a' b", LQ_ENC RQ_ENC, LQ RQ },
+ { "", "\\0001\\0", 7, "simple", " \\t\\n'\"\\033?""?/\\\\", "a:b",
+ "a\\\\b", "a' b", LQ_ENC RQ_ENC, LQ RQ },
+ { "", "\\0001\\0", 7, "simple", " \\t\\n'\"\\033?""?/\\\\", "a\\:b",
+ "a\\\\b", "a' b", LQ_ENC RQ_ENC, LQ RQ } },
+
+ /* locale_quoting_style */
+ { { "''", "'\\0001\\0'", 9, "'simple'", "' \\t\\n\\'\"\\033?""?/\\\\'",
+ "'a:b'", "'a\\\\b'", "'a\\' b'", "'" LQ_ENC RQ_ENC "'", "'" LQ RQ "'" },
+ { "''", "'\\0001\\0'", 9, "'simple'", "' \\t\\n\\'\"\\033?""?/\\\\'",
+ "'a:b'", "'a\\\\b'", "'a\\' b'", "'" LQ_ENC RQ_ENC "'", "'" LQ RQ "'" },
+ { "''", "'\\0001\\0'", 9, "'simple'", "' \\t\\n\\'\"\\033?""?/\\\\'",
+ "'a\\:b'", "'a\\\\b'", "'a\\' b'",
+ "'" LQ_ENC RQ_ENC "'", "'" LQ RQ "'" } },
+
+ /* clocale_quoting_style */
+ { { "\"\"", "\"\\0001\\0\"", 9, "\"simple\"",
+ "\" \\t\\n'\\\"\\033?""?/\\\\\"", "\"a:b\"", "\"a\\\\b\"",
+ "\"a' b\"", "\"" LQ_ENC RQ_ENC "\"", "\"" LQ RQ "\"" },
+ { "\"\"", "\"\\0001\\0\"", 9, "\"simple\"",
+ "\" \\t\\n'\\\"\\033?""?/\\\\\"", "\"a:b\"", "\"a\\\\b\"",
+ "\"a' b\"", "\"" LQ_ENC RQ_ENC "\"", "\"" LQ RQ "\"" },
+ { "\"\"", "\"\\0001\\0\"", 9, "\"simple\"",
+ "\" \\t\\n'\\\"\\033?""?/\\\\\"", "\"a\\:b\"", "\"a\\\\b\"",
+ "\"a' b\"", "\"" LQ_ENC RQ_ENC "\"", "\"" LQ RQ "\"" } }
+};
+
+static struct result_groups flag_results[] = {
+ /* literal_quoting_style and QA_ELIDE_NULL_BYTES */
+ { { "", "1", 1, "simple", " \t\n'\"\033?""?/\\", "a:b", "a\\b", "a' b",
+ LQ RQ, LQ RQ },
+ { "", "1", 1, "simple", " \t\n'\"\033?""?/\\", "a:b", "a\\b", "a' b",
+ LQ RQ, LQ RQ },
+ { "", "1", 1, "simple", " \t\n'\"\033?""?/\\", "a:b", "a\\b", "a' b",
+ LQ RQ, LQ RQ } },
+
+ /* c_quoting_style and QA_ELIDE_OUTER_QUOTES */
+ { { "", "\"\\0001\\0\"", 9, "simple", "\" \\t\\n'\\\"\\033?""?/\\\\\"",
+ "a:b", "a\\b", "a' b", "\"" LQ_ENC RQ_ENC "\"", LQ RQ },
+ { "", "\"\\0001\\0\"", 9, "simple", "\" \\t\\n'\\\"\\033?""?/\\\\\"",
+ "a:b", "a\\b", "a' b", "\"" LQ_ENC RQ_ENC "\"", LQ RQ },
+ { "", "\"\\0001\\0\"", 9, "simple", "\" \\t\\n'\\\"\\033?""?/\\\\\"",
+ "\"a:b\"", "a\\b", "a' b", "\"" LQ_ENC RQ_ENC "\"", LQ RQ } },
+
+ /* c_quoting_style and QA_SPLIT_TRIGRAPHS */
+ { { "\"\"", "\"\\0001\\0\"", 9, "\"simple\"",
+ "\" \\t\\n'\\\"\\033?\"\"?/\\\\\"", "\"a:b\"", "\"a\\\\b\"",
+ "\"a' b\"", "\"" LQ_ENC RQ_ENC "\"", "\"" LQ RQ "\"" },
+ { "\"\"", "\"\\0001\\0\"", 9, "\"simple\"",
+ "\" \\t\\n'\\\"\\033?\"\"?/\\\\\"", "\"a:b\"", "\"a\\\\b\"",
+ "\"a' b\"", "\"" LQ_ENC RQ_ENC "\"", "\"" LQ RQ "\"" },
+ { "\"\"", "\"\\0001\\0\"", 9, "\"simple\"",
+ "\" \\t\\n'\\\"\\033?\"\"?/\\\\\"", "\"a\\:b\"", "\"a\\\\b\"",
+ "\"a' b\"", "\"" LQ_ENC RQ_ENC "\"", "\"" LQ RQ "\"" } }
+};
+
+static char const *custom_quotes[][2] = {
+ { "", "" },
+ { "'", "'" },
+ { "(", ")" },
+ { ":", " " },
+ { " ", ":" },
+ { "# ", "\n" },
+ { "\"'", "'\"" }
+};
+
+static struct result_groups custom_results[] = {
+ /* left_quote = right_quote = "" */
+ { { "", "\\0001\\0", 7, "simple",
+ " \\t\\n'\"\\033?""?/\\\\", "a:b", "a\\\\b",
+ "a' b", LQ_ENC RQ_ENC, LQ RQ },
+ { "", "\\0001\\0", 7, "simple",
+ " \\t\\n'\"\\033?""?/\\\\", "a:b", "a\\\\b",
+ "a' b", LQ_ENC RQ_ENC, LQ RQ },
+ { "", "\\0001\\0", 7, "simple",
+ " \\t\\n'\"\\033?""?/\\\\", "a\\:b", "a\\\\b",
+ "a' b", LQ_ENC RQ_ENC, LQ RQ } },
+
+ /* left_quote = right_quote = "'" */
+ { { "''", "'\\0001\\0'", 9, "'simple'",
+ "' \\t\\n\\'\"\\033?""?/\\\\'", "'a:b'", "'a\\\\b'",
+ "'a\\' b'", "'" LQ_ENC RQ_ENC "'", "'" LQ RQ "'" },
+ { "''", "'\\0001\\0'", 9, "'simple'",
+ "' \\t\\n\\'\"\\033?""?/\\\\'", "'a:b'", "'a\\\\b'",
+ "'a\\' b'", "'" LQ_ENC RQ_ENC "'", "'" LQ RQ "'" },
+ { "''", "'\\0001\\0'", 9, "'simple'",
+ "' \\t\\n\\'\"\\033?""?/\\\\'", "'a\\:b'", "'a\\\\b'",
+ "'a\\' b'", "'" LQ_ENC RQ_ENC "'", "'" LQ RQ "'" } },
+
+ /* left_quote = "(" and right_quote = ")" */
+ { { "()", "(\\0001\\0)", 9, "(simple)",
+ "( \\t\\n'\"\\033?""?/\\\\)", "(a:b)", "(a\\\\b)",
+ "(a' b)", "(" LQ_ENC RQ_ENC ")", "(" LQ RQ ")" },
+ { "()", "(\\0001\\0)", 9, "(simple)",
+ "( \\t\\n'\"\\033?""?/\\\\)", "(a:b)", "(a\\\\b)",
+ "(a' b)", "(" LQ_ENC RQ_ENC ")", "(" LQ RQ ")" },
+ { "()", "(\\0001\\0)", 9, "(simple)",
+ "( \\t\\n'\"\\033?""?/\\\\)", "(a\\:b)", "(a\\\\b)",
+ "(a' b)", "(" LQ_ENC RQ_ENC ")", "(" LQ RQ ")" } },
+
+ /* left_quote = ":" and right_quote = " " */
+ { { ": ", ":\\0001\\0 ", 9, ":simple ",
+ ":\\ \\t\\n'\"\\033?""?/\\\\ ", ":a:b ", ":a\\\\b ",
+ ":a'\\ b ", ":" LQ_ENC RQ_ENC " ", ":" LQ RQ " " },
+ { ": ", ":\\0001\\0 ", 9, ":simple ",
+ ":\\ \\t\\n'\"\\033?""?/\\\\ ", ":a:b ", ":a\\\\b ",
+ ":a'\\ b ", ":" LQ_ENC RQ_ENC " ", ":" LQ RQ " " },
+ { ": ", ":\\0001\\0 ", 9, ":simple ",
+ ":\\ \\t\\n'\"\\033?""?/\\\\ ", ":a\\:b ", ":a\\\\b ",
+ ":a'\\ b ", ":" LQ_ENC RQ_ENC " ", ":" LQ RQ " " } },
+
+ /* left_quote = " " and right_quote = ":" */
+ { { " :", " \\0001\\0:", 9, " simple:",
+ " \\t\\n'\"\\033?""?/\\\\:", " a\\:b:", " a\\\\b:",
+ " a' b:", " " LQ_ENC RQ_ENC ":", " " LQ RQ ":" },
+ { " :", " \\0001\\0:", 9, " simple:",
+ " \\t\\n'\"\\033?""?/\\\\:", " a\\:b:", " a\\\\b:",
+ " a' b:", " " LQ_ENC RQ_ENC ":", " " LQ RQ ":" },
+ { " :", " \\0001\\0:", 9, " simple:",
+ " \\t\\n'\"\\033?""?/\\\\:", " a\\:b:", " a\\\\b:",
+ " a' b:", " " LQ_ENC RQ_ENC ":", " " LQ RQ ":" } },
+
+ /* left_quote = "# " and right_quote = "\n" */
+ { { "# \n", "# \\0001\\0\n", 10, "# simple\n",
+ "# \\t\\n'\"\\033?""?/\\\\\n", "# a:b\n", "# a\\\\b\n",
+ "# a' b\n", "# " LQ_ENC RQ_ENC "\n", "# " LQ RQ "\n" },
+ { "# \n", "# \\0001\\0\n", 10, "# simple\n",
+ "# \\t\\n'\"\\033?""?/\\\\\n", "# a:b\n", "# a\\\\b\n",
+ "# a' b\n", "# " LQ_ENC RQ_ENC "\n", "# " LQ RQ "\n" },
+ { "# \n", "# \\0001\\0\n", 10, "# simple\n",
+ "# \\t\\n'\"\\033?""?/\\\\\n", "# a\\:b\n", "# a\\\\b\n",
+ "# a' b\n", "# " LQ_ENC RQ_ENC "\n", "# " LQ RQ "\n" } },
+
+ /* left_quote = "\"'" and right_quote = "'\"" */
+ { { "\"''\"", "\"'\\0001\\0'\"", 11, "\"'simple'\"",
+ "\"' \\t\\n\\'\"\\033?""?/\\\\'\"", "\"'a:b'\"", "\"'a\\\\b'\"",
+ "\"'a' b'\"", "\"'" LQ_ENC RQ_ENC "'\"", "\"'" LQ RQ "'\"" },
+ { "\"''\"", "\"'\\0001\\0'\"", 11, "\"'simple'\"",
+ "\"' \\t\\n\\'\"\\033?""?/\\\\'\"", "\"'a:b'\"", "\"'a\\\\b'\"",
+ "\"'a' b'\"", "\"'" LQ_ENC RQ_ENC "'\"", "\"'" LQ RQ "'\"" },
+ { "\"''\"", "\"'\\0001\\0'\"", 11, "\"'simple'\"",
+ "\"' \\t\\n\\'\"\\033?""?/\\\\'\"", "\"'a\\:b'\"", "\"'a\\\\b'\"",
+ "\"'a' b'\"", "\"'" LQ_ENC RQ_ENC "'\"", "\"'" LQ RQ "'\"" } }
+};
+
+static char *
+use_quote_double_quotes (const char *str, size_t *len)
+{
+ char *p = *len == SIZE_MAX ? quotearg_char (str, '"')
+ : quotearg_char_mem (str, *len, '"');
+ *len = strlen (p);
+ return p;
+}
+
+int
+main (_GL_UNUSED int argc, char *argv[])
+{
+ int i;
+ bool ascii_only = MB_CUR_MAX == 1 && !isprint ((unsigned char) LQ[0]);
+
+ /* This part of the program is hard-wired to the C locale since it
+ does not call setlocale. However, according to POSIX, the use of
+ 8-bit bytes in a character context in the C locale gives
+ unspecified results (that is, the C locale charset is allowed to
+ be unibyte with 8-bit bytes rejected [ASCII], unibyte with 8-bit
+ bytes being characters [often ISO-8859-1], or multibyte [often
+ UTF-8]). We assume that the latter two cases will be
+ indistinguishable in this test - that is, the LQ and RQ sequences
+ will pass through unchanged in either type of charset. So when
+ testing for quoting of str7, use the ascii_only flag to decide
+ what to expect for the 8-bit data being quoted. */
+ ASSERT (!isprint ('\033'));
+ for (i = literal_quoting_style; i <= clocale_quoting_style; i++)
+ {
+ set_quoting_style (NULL, (enum quoting_style) i);
+ if (!(i == locale_quoting_style || i == clocale_quoting_style)
+ || (strcmp (locale_charset (), "ASCII") == 0
+ || strcmp (locale_charset (), "ANSI_X3.4-1968") == 0))
+ {
+ compare_strings (use_quotearg_buffer, &results_g[i].group1,
+ ascii_only);
+ compare_strings (use_quotearg, &results_g[i].group2,
+ ascii_only);
+ if (i == c_quoting_style)
+ compare_strings (use_quote_double_quotes, &results_g[i].group2,
+ ascii_only);
+ compare_strings (use_quotearg_colon, &results_g[i].group3,
+ ascii_only);
+ }
+ }
+
+ set_quoting_style (NULL, literal_quoting_style);
+ ASSERT (set_quoting_flags (NULL, QA_ELIDE_NULL_BYTES) == 0);
+ compare_strings (use_quotearg_buffer, &flag_results[0].group1, ascii_only);
+ compare_strings (use_quotearg, &flag_results[0].group2, ascii_only);
+ compare_strings (use_quotearg_colon, &flag_results[0].group3, ascii_only);
+
+ set_quoting_style (NULL, c_quoting_style);
+ ASSERT (set_quoting_flags (NULL, QA_ELIDE_OUTER_QUOTES)
+ == QA_ELIDE_NULL_BYTES);
+ compare_strings (use_quotearg_buffer, &flag_results[1].group1, ascii_only);
+ compare_strings (use_quotearg, &flag_results[1].group2, ascii_only);
+ compare_strings (use_quote_double_quotes, &flag_results[1].group2,
+ ascii_only);
+ compare_strings (use_quotearg_colon, &flag_results[1].group3, ascii_only);
+
+ ASSERT (set_quoting_flags (NULL, QA_SPLIT_TRIGRAPHS)
+ == QA_ELIDE_OUTER_QUOTES);
+ compare_strings (use_quotearg_buffer, &flag_results[2].group1, ascii_only);
+ compare_strings (use_quotearg, &flag_results[2].group2, ascii_only);
+ compare_strings (use_quote_double_quotes, &flag_results[2].group2,
+ ascii_only);
+ compare_strings (use_quotearg_colon, &flag_results[2].group3, ascii_only);
+
+ ASSERT (set_quoting_flags (NULL, 0) == QA_SPLIT_TRIGRAPHS);
+
+ for (i = 0; i < sizeof custom_quotes / sizeof *custom_quotes; ++i)
+ {
+ set_custom_quoting (NULL,
+ custom_quotes[i][0], custom_quotes[i][1]);
+ compare_strings (use_quotearg_buffer, &custom_results[i].group1,
+ ascii_only);
+ compare_strings (use_quotearg, &custom_results[i].group2, ascii_only);
+ compare_strings (use_quotearg_colon, &custom_results[i].group3,
+ ascii_only);
+ }
+
+ {
+ /* Trigger the bug whereby quotearg_buffer would read beyond the NUL
+ that defines the end of the string being quoted. Use an input
+ string whose NUL is the last byte before an unreadable page. */
+ char *z = zerosize_ptr ();
+
+ if (z)
+ {
+ size_t q_len = 1024;
+ char *q = malloc (q_len + 1);
+ char buf[10];
+ memset (q, 'Q', q_len);
+ q[q_len] = 0;
+
+ /* Z points to the boundary between a readable/writable page
+ and one that is neither readable nor writable. Position
+ our string so its NUL is at the end of the writable one. */
+ char const *str = "____";
+ size_t s_len = strlen (str);
+ z -= s_len + 1;
+ memcpy (z, str, s_len + 1);
+
+ set_custom_quoting (NULL, q, q);
+ /* Whether this actually triggers a SEGV depends on the
+ implementation of memcmp: whether it compares only byte-at-
+ a-time, and from left to right (no SEGV) or some other way. */
+ size_t n = quotearg_buffer (buf, sizeof buf, z, SIZE_MAX, NULL);
+ ASSERT (n == s_len + 2 * q_len);
+ ASSERT (memcmp (buf, q, sizeof buf) == 0);
+ free (q);
+ }
+ }
+
+ quotearg_free ();
+
+ return 0;
+}
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