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Merge pull request #44 from filbranden/unquote_first_word1

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Replace FOREACH_WORD_QUOTED with a loop using unquote_first_word in config_parse_exec()
This commit is contained in:
Lennart Poettering 2015-06-17 20:41:30 +02:00
parent 07d210255b c83f1f30b8
commit 7391cb5d58
5 changed files with 488 additions and 192 deletions
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125
src/basic/util.c
View file

@ -5209,35 +5209,6 @@ int unquote_first_word(const char **p, char **ret, UnquoteFlags flags) {
break;
case VALUE_ESCAPE:
if (c == 0) {
if (flags & UNQUOTE_RELAX)
goto finish;
return -EINVAL;
}
if (!GREEDY_REALLOC(s, allocated, sz+7))
return -ENOMEM;
if (flags & UNQUOTE_CUNESCAPE) {
uint32_t u;
r = cunescape_one(*p, (size_t) -1, &c, &u);
if (r < 0)
return -EINVAL;
(*p) += r - 1;
if (c != 0)
s[sz++] = c; /* normal explicit char */
else
sz += utf8_encode_unichar(s + sz, u); /* unicode chars we'll encode as utf8 */
} else
s[sz++] = c;
state = VALUE;
break;
case SINGLE_QUOTE:
if (c == 0) {
if (flags & UNQUOTE_RELAX)
@ -5256,35 +5227,6 @@ int unquote_first_word(const char **p, char **ret, UnquoteFlags flags) {
break;
case SINGLE_QUOTE_ESCAPE:
if (c == 0) {
if (flags & UNQUOTE_RELAX)
goto finish;
return -EINVAL;
}
if (!GREEDY_REALLOC(s, allocated, sz+7))
return -ENOMEM;
if (flags & UNQUOTE_CUNESCAPE) {
uint32_t u;
r = cunescape_one(*p, (size_t) -1, &c, &u);
if (r < 0)
return -EINVAL;
(*p) += r - 1;
if (c != 0)
s[sz++] = c;
else
sz += utf8_encode_unichar(s + sz, u);
} else
s[sz++] = c;
state = SINGLE_QUOTE;
break;
case DOUBLE_QUOTE:
if (c == 0)
return -EINVAL;
@ -5301,33 +5243,56 @@ int unquote_first_word(const char **p, char **ret, UnquoteFlags flags) {
break;
case SINGLE_QUOTE_ESCAPE:
case DOUBLE_QUOTE_ESCAPE:
case VALUE_ESCAPE:
if (!GREEDY_REALLOC(s, allocated, sz+7))
return -ENOMEM;
if (c == 0) {
if ((flags & UNQUOTE_CUNESCAPE_RELAX) &&
(state == VALUE_ESCAPE || flags & UNQUOTE_RELAX)) {
/* If we find an unquoted trailing backslash and we're in
* UNQUOTE_CUNESCAPE_RELAX mode, keep it verbatim in the
* output.
*
* Unbalanced quotes will only be allowed in UNQUOTE_RELAX
* mode, UNQUOTE_CUNESCAP_RELAX mode does not allow them.
*/
s[sz++] = '\\';
goto finish;
}
if (flags & UNQUOTE_RELAX)
goto finish;
return -EINVAL;
}
if (!GREEDY_REALLOC(s, allocated, sz+7))
return -ENOMEM;
if (flags & UNQUOTE_CUNESCAPE) {
uint32_t u;
r = cunescape_one(*p, (size_t) -1, &c, &u);
if (r < 0)
if (r < 0) {
if (flags & UNQUOTE_CUNESCAPE_RELAX) {
s[sz++] = '\\';
s[sz++] = c;
goto end_escape;
}
return -EINVAL;
}
(*p) += r - 1;
if (c != 0)
s[sz++] = c;
s[sz++] = c; /* normal explicit char */
else
sz += utf8_encode_unichar(s + sz, u);
sz += utf8_encode_unichar(s + sz, u); /* unicode chars we'll encode as utf8 */
} else
s[sz++] = c;
state = DOUBLE_QUOTE;
end_escape:
state = (state == SINGLE_QUOTE_ESCAPE) ? SINGLE_QUOTE :
(state == DOUBLE_QUOTE_ESCAPE) ? DOUBLE_QUOTE :
VALUE;
break;
case SPACE:
@ -5355,6 +5320,36 @@ finish:
return 1;
}
int unquote_first_word_and_warn(
const char **p,
char **ret,
UnquoteFlags flags,
const char *unit,
const char *filename,
unsigned line,
const char *rvalue) {
/* Try to unquote it, if it fails, warn about it and try again but this
* time using UNQUOTE_CUNESCAPE_RELAX to keep the backslashes verbatim
* in invalid escape sequences. */
const char *save;
int r;
save = *p;
r = unquote_first_word(p, ret, flags);
if (r < 0 && !(flags&UNQUOTE_CUNESCAPE_RELAX)) {
/* Retry it with UNQUOTE_CUNESCAPE_RELAX. */
*p = save;
r = unquote_first_word(p, ret, flags|UNQUOTE_CUNESCAPE_RELAX);
if (r < 0)
log_syntax(unit, LOG_ERR, filename, line, EINVAL,
"Unbalanced quoting in command line, ignoring: \"%s\"", rvalue);
else
log_syntax(unit, LOG_WARNING, filename, line, EINVAL,
"Invalid escape sequences in command line: \"%s\"", rvalue);
}
return r;
}
int unquote_many_words(const char **p, UnquoteFlags flags, ...) {
va_list ap;
char **l;

6
src/basic/util.h
View file

@ -839,11 +839,13 @@ int is_dir(const char *path, bool follow);
int is_device_node(const char *path);
typedef enum UnquoteFlags {
UNQUOTE_RELAX = 1,
UNQUOTE_CUNESCAPE = 2,
UNQUOTE_RELAX = 1,
UNQUOTE_CUNESCAPE = 2,
UNQUOTE_CUNESCAPE_RELAX = 4,
} UnquoteFlags;
int unquote_first_word(const char **p, char **ret, UnquoteFlags flags);
int unquote_first_word_and_warn(const char **p, char **ret, UnquoteFlags flags, const char *unit, const char *filename, unsigned line, const char *rvalue);
int unquote_many_words(const char **p, UnquoteFlags flags, ...) _sentinel_;
int free_and_strdup(char **p, const char *s);

238
src/core/load-fragment.c
View file

@ -520,9 +520,9 @@ int config_parse_exec(
void *data,
void *userdata) {
ExecCommand **e = data, *nce;
char *path, **n;
unsigned k;
ExecCommand **e = data;
const char *p;
bool semicolon;
int r;
assert(filename);
@ -532,156 +532,154 @@ int config_parse_exec(
e += ltype;
rvalue += strspn(rvalue, WHITESPACE);
p = rvalue;
if (isempty(rvalue)) {
/* An empty assignment resets the list */
*e = exec_command_free_list(*e);
return 0;
}
/* We accept an absolute path as first argument, or
* alternatively an absolute prefixed with @ to allow
* overriding of argv[0]. */
for (;;) {
do {
int i;
const char *word, *state, *reason;
size_t l;
_cleanup_strv_free_ char **n = NULL;
size_t nlen = 0, nbufsize = 0;
_cleanup_free_ ExecCommand *nce = NULL;
_cleanup_free_ char *path = NULL, *firstword = NULL;
char *f;
bool separate_argv0 = false, ignore = false;
path = NULL;
nce = NULL;
n = NULL;
semicolon = false;
rvalue += strspn(rvalue, WHITESPACE);
r = unquote_first_word_and_warn(&p, &firstword, UNQUOTE_CUNESCAPE, unit, filename, line, rvalue);
if (r <= 0)
return 0;
if (rvalue[0] == 0)
break;
k = 0;
FOREACH_WORD_QUOTED(word, l, rvalue, state) {
if (k == 0) {
for (i = 0; i < 2; i++) {
if (*word == '-' && !ignore) {
ignore = true;
word ++;
}
if (*word == '@' && !separate_argv0) {
separate_argv0 = true;
word ++;
}
}
} else if (strneq(word, ";", MAX(l, 1U)))
goto found;
k++;
f = firstword;
for (i = 0; i < 2; i++) {
/* We accept an absolute path as first argument, or
* alternatively an absolute prefixed with @ to allow
* overriding of argv[0]. */
if (*f == '-' && !ignore)
ignore = true;
else if (*f == '@' && !separate_argv0)
separate_argv0 = true;
else
break;
f ++;
}
if (!isempty(state)) {
log_syntax(unit, LOG_ERR, filename, line, EINVAL, "Trailing garbage, ignoring.");
if (isempty(f)) {
/* First word is either "-" or "@" with no command. */
log_syntax(unit, LOG_ERR, filename, line, EINVAL,
"Empty path in command line, ignoring: \"%s\"", rvalue);
return 0;
}
found:
/* If separate_argv0, we'll move first element to path variable */
n = new(char*, MAX(k + !separate_argv0, 1u));
if (!n)
return log_oom();
k = 0;
FOREACH_WORD_QUOTED(word, l, rvalue, state) {
char *c;
unsigned skip;
if (separate_argv0 ? path == NULL : k == 0) {
/* first word, very special */
skip = separate_argv0 + ignore;
/* skip special chars in the beginning */
if (l <= skip) {
log_syntax(unit, LOG_ERR, filename, line, EINVAL,
"Empty path in command line, ignoring: \"%s\"", rvalue);
r = 0;
goto fail;
}
} else if (strneq(word, ";", MAX(l, 1U)))
/* new commandline */
break;
else
skip = strneq(word, "\\;", MAX(l, 1U));
r = cunescape_length(word + skip, l - skip, UNESCAPE_RELAX, &c);
if (r < 0) {
log_syntax(unit, LOG_ERR, filename, line, r, "Failed to unescape command line, ignoring: %s", rvalue);
r = 0;
goto fail;
}
if (!utf8_is_valid(c)) {
log_invalid_utf8(unit, LOG_ERR, filename, line, EINVAL, rvalue);
r = 0;
goto fail;
}
/* where to stuff this? */
if (separate_argv0 && path == NULL)
path = c;
else
n[k++] = c;
if (!string_is_safe(f)) {
log_syntax(unit, LOG_ERR, filename, line, EINVAL,
"Executable path contains special characters, ignoring: %s", rvalue);
return 0;
}
if (!path_is_absolute(f)) {
log_syntax(unit, LOG_ERR, filename, line, EINVAL,
"Executable path is not absolute, ignoring: %s", rvalue);
return 0;
}
if (endswith(f, "/")) {
log_syntax(unit, LOG_ERR, filename, line, EINVAL,
"Executable path specifies a directory, ignoring: %s", rvalue);
return 0;
}
n[k] = NULL;
if (f == firstword) {
path = firstword;
firstword = NULL;
} else {
path = strdup(f);
if (!path)
return log_oom();
}
if (!n[0])
reason = "Empty executable name or zeroeth argument";
else if (!string_is_safe(path ?: n[0]))
reason = "Executable path contains special characters";
else if (!path_is_absolute(path ?: n[0]))
reason = "Executable path is not absolute";
else if (endswith(path ?: n[0], "/"))
reason = "Executable path specifies a directory";
else
goto ok;
if (!separate_argv0) {
if (!GREEDY_REALLOC(n, nbufsize, nlen + 2))
return log_oom();
f = strdup(path);
if (!f)
return log_oom();
n[nlen++] = f;
n[nlen] = NULL;
}
log_syntax(unit, LOG_ERR, filename, line, EINVAL, "%s, ignoring: %s", reason, rvalue);
r = 0;
goto fail;
path_kill_slashes(path);
ok:
if (!path) {
path = strdup(n[0]);
if (!path) {
r = log_oom();
goto fail;
for (;;) {
_cleanup_free_ char *word = NULL;
/* Check explicitly for an unquoted semicolon as
* command separator token. */
if (p[0] == ';' && (!p[1] || strchr(WHITESPACE, p[1]))) {
p ++;
p += strspn(p, WHITESPACE);
semicolon = true;
break;
}
/* Check for \; explicitly, to not confuse it with \\;
* or "\;" or "\\;" etc. unquote_first_word would
* return the same for all of those. */
if (p[0] == '\\' && p[1] == ';' && (!p[2] || strchr(WHITESPACE, p[2]))) {
p += 2;
p += strspn(p, WHITESPACE);
if (!GREEDY_REALLOC(n, nbufsize, nlen + 2))
return log_oom();
f = strdup(";");
if (!f)
return log_oom();
n[nlen++] = f;
n[nlen] = NULL;
continue;
}
r = unquote_first_word_and_warn(&p, &word, UNQUOTE_CUNESCAPE, unit, filename, line, rvalue);
if (r == 0)
break;
else if (r < 0)
return 0;
if (!GREEDY_REALLOC(n, nbufsize, nlen + 2))
return log_oom();
n[nlen++] = word;
n[nlen] = NULL;
word = NULL;
}
if (!n || !n[0]) {
log_syntax(unit, LOG_ERR, filename, line, EINVAL,
"Empty executable name or zeroeth argument, ignoring: %s", rvalue);
return 0;
}
nce = new0(ExecCommand, 1);
if (!nce) {
r = log_oom();
goto fail;
}
if (!nce)
return log_oom();
nce->argv = n;
nce->path = path;
nce->ignore = ignore;
path_kill_slashes(nce->path);
exec_command_append_list(e, nce);
rvalue = state;
}
/* Do not _cleanup_free_ these. */
n = NULL;
path = NULL;
nce = NULL;
rvalue = p;
} while (semicolon);
return 0;
fail:
n[k] = NULL;
strv_free(n);
free(path);
free(nce);
return r;
}
DEFINE_CONFIG_PARSE_ENUM(config_parse_service_type, service_type, ServiceType, "Failed to parse service type");

72
src/test/test-unit-file.c
View file

@ -145,19 +145,19 @@ static void test_config_parse_exec(void) {
assert_se(r == 0);
assert_se(c1->command_next == NULL);
log_info("/* no command, check for bad memory access */");
log_info("/* no command, whitespace only, reset */");
r = config_parse_exec(NULL, "fake", 3, "section", 1,
"LValue", 0, " ",
&c, NULL);
assert_se(r == 0);
assert_se(c1->command_next == NULL);
assert_se(c == NULL);
log_info("/* ignore && honour_argv0 */");
r = config_parse_exec(NULL, "fake", 4, "section", 1,
"LValue", 0, "-@/RValue///slashes3 argv0a r1",
&c, NULL);
assert_se(r >= 0);
c1 = c1->command_next;
c1 = c;
check_execcommand(c1, "/RValue/slashes3", "argv0a", "r1", NULL, true);
log_info("/* ignore && honour_argv0 */");
@ -195,6 +195,19 @@ static void test_config_parse_exec(void) {
c1 = c1->command_next;
check_execcommand(c1, "/goo/goo", NULL, "boo", NULL, false);
log_info("/* two semicolons in a row */");
r = config_parse_exec(NULL, "fake", 5, "section", 1,
"LValue", 0,
"-@/RValue argv0 r1 ; ; "
"/goo/goo boo",
&c, NULL);
assert_se(r >= 0);
c1 = c1->command_next;
check_execcommand(c1, "/RValue", "argv0", "r1", NULL, true);
/* second command fails because the executable name is ";" */
assert_se(c1->command_next == NULL);
log_info("/* trailing semicolon */");
r = config_parse_exec(NULL, "fake", 5, "section", 1,
"LValue", 0,
@ -206,6 +219,26 @@ static void test_config_parse_exec(void) {
assert_se(c1->command_next == NULL);
log_info("/* trailing semicolon, no whitespace */");
r = config_parse_exec(NULL, "fake", 5, "section", 1,
"LValue", 0,
"-@/RValue argv0 r1 ;",
&c, NULL);
assert_se(r >= 0);
c1 = c1->command_next;
check_execcommand(c1, "/RValue", "argv0", "r1", NULL, true);
assert_se(c1->command_next == NULL);
log_info("/* trailing semicolon in single quotes */");
r = config_parse_exec(NULL, "fake", 5, "section", 1,
"LValue", 0,
"-@/RValue argv0 r1 ';'",
&c, NULL);
assert_se(r >= 0);
c1 = c1->command_next;
check_execcommand(c1, "/RValue", "argv0", "r1", ";", true);
log_info("/* escaped semicolon */");
r = config_parse_exec(NULL, "fake", 5, "section", 1,
"LValue", 0,
@ -218,12 +251,22 @@ static void test_config_parse_exec(void) {
log_info("/* escaped semicolon with following arg */");
r = config_parse_exec(NULL, "fake", 5, "section", 1,
"LValue", 0,
"/sbin/find \\; x",
"/sbin/find \\; /x",
&c, NULL);
assert_se(r >= 0);
c1 = c1->command_next;
check_execcommand(c1,
"/sbin/find", NULL, ";", "x", false);
"/sbin/find", NULL, ";", "/x", false);
log_info("/* escaped semicolon as part of an expression */");
r = config_parse_exec(NULL, "fake", 5, "section", 1,
"LValue", 0,
"/sbin/find \\;x",
&c, NULL);
assert_se(r >= 0);
c1 = c1->command_next;
check_execcommand(c1,
"/sbin/find", NULL, "\\;x", NULL, false);
log_info("/* encoded semicolon */");
r = config_parse_exec(NULL, "fake", 5, "section", 1,
@ -234,6 +277,25 @@ static void test_config_parse_exec(void) {
c1 = c1->command_next;
check_execcommand(c1, "/bin/find", NULL, ";", NULL, false);
log_info("/* quoted semicolon */");
r = config_parse_exec(NULL, "fake", 5, "section", 1,
"LValue", 0,
"/bin/find \";\"",
&c, NULL);
assert_se(r >= 0);
c1 = c1->command_next;
check_execcommand(c1, "/bin/find", NULL, ";", NULL, false);
log_info("/* quoted semicolon with following arg */");
r = config_parse_exec(NULL, "fake", 5, "section", 1,
"LValue", 0,
"/sbin/find \";\" /x",
&c, NULL);
assert_se(r >= 0);
c1 = c1->command_next;
check_execcommand(c1,
"/sbin/find", NULL, ";", "/x", false);
log_info("/* spaces in the filename */");
r = config_parse_exec(NULL, "fake", 5, "section", 1,
"LValue", 0,

239
src/test/test-util.c
View file

@ -1304,6 +1304,244 @@ static void test_unquote_first_word(void) {
assert_se(streq(t, "pi\360\237\222\251le"));
free(t);
assert_se(p == original + 32);
p = original = "fooo\\";
assert_se(unquote_first_word(&p, &t, UNQUOTE_RELAX) > 0);
assert_se(streq(t, "fooo"));
free(t);
assert_se(p == original + 5);
p = original = "fooo\\";
assert_se(unquote_first_word(&p, &t, UNQUOTE_CUNESCAPE_RELAX) > 0);
assert_se(streq(t, "fooo\\"));
free(t);
assert_se(p == original + 5);
p = original = "fooo\\";
assert_se(unquote_first_word(&p, &t, UNQUOTE_CUNESCAPE_RELAX|UNQUOTE_RELAX) > 0);
assert_se(streq(t, "fooo\\"));
free(t);
assert_se(p == original + 5);
p = original = "fooo\\";
assert_se(unquote_first_word(&p, &t, UNQUOTE_CUNESCAPE|UNQUOTE_CUNESCAPE_RELAX) > 0);
assert_se(streq(t, "fooo\\"));
free(t);
assert_se(p == original + 5);
p = original = "\"foo\\";
assert_se(unquote_first_word(&p, &t, 0) == -EINVAL);
assert_se(p == original + 5);
p = original = "\"foo\\";
assert_se(unquote_first_word(&p, &t, UNQUOTE_RELAX) > 0);
assert_se(streq(t, "foo"));
free(t);
assert_se(p == original + 5);
p = original = "\"foo\\";
assert_se(unquote_first_word(&p, &t, UNQUOTE_CUNESCAPE_RELAX) == -EINVAL);
assert_se(p == original + 5);
p = original = "\"foo\\";
assert_se(unquote_first_word(&p, &t, UNQUOTE_CUNESCAPE_RELAX|UNQUOTE_RELAX) > 0);
assert_se(streq(t, "foo\\"));
free(t);
assert_se(p == original + 5);
p = original = "\"foo\\";
assert_se(unquote_first_word(&p, &t, UNQUOTE_CUNESCAPE|UNQUOTE_CUNESCAPE_RELAX|UNQUOTE_RELAX) > 0);
assert_se(streq(t, "foo\\"));
free(t);
assert_se(p == original + 5);
p = original = "fooo\\ bar quux";
assert_se(unquote_first_word(&p, &t, UNQUOTE_RELAX) > 0);
assert_se(streq(t, "fooo bar"));
free(t);
assert_se(p == original + 10);
p = original = "fooo\\ bar quux";
assert_se(unquote_first_word(&p, &t, UNQUOTE_CUNESCAPE_RELAX) > 0);
assert_se(streq(t, "fooo bar"));
free(t);
assert_se(p == original + 10);
p = original = "fooo\\ bar quux";
assert_se(unquote_first_word(&p, &t, UNQUOTE_CUNESCAPE_RELAX|UNQUOTE_RELAX) > 0);
assert_se(streq(t, "fooo bar"));
free(t);
assert_se(p == original + 10);
p = original = "fooo\\ bar quux";
assert_se(unquote_first_word(&p, &t, UNQUOTE_CUNESCAPE) == -EINVAL);
assert_se(p == original + 5);
p = original = "fooo\\ bar quux";
assert_se(unquote_first_word(&p, &t, UNQUOTE_CUNESCAPE|UNQUOTE_CUNESCAPE_RELAX) > 0);
assert_se(streq(t, "fooo\\ bar"));
free(t);
assert_se(p == original + 10);
p = original = "\\w+@\\K[\\d.]+";
assert_se(unquote_first_word(&p, &t, UNQUOTE_CUNESCAPE) == -EINVAL);
assert_se(p == original + 1);
p = original = "\\w+@\\K[\\d.]+";
assert_se(unquote_first_word(&p, &t, UNQUOTE_CUNESCAPE|UNQUOTE_CUNESCAPE_RELAX) > 0);
assert_se(streq(t, "\\w+@\\K[\\d.]+"));
free(t);
assert_se(p == original + 12);
p = original = "\\w+\\b";
assert_se(unquote_first_word(&p, &t, UNQUOTE_CUNESCAPE|UNQUOTE_CUNESCAPE_RELAX) > 0);
assert_se(streq(t, "\\w+\b"));
free(t);
assert_se(p == original + 5);
}
static void test_unquote_first_word_and_warn(void) {
const char *p, *original;
char *t;
p = original = "foobar waldo";
assert_se(unquote_first_word_and_warn(&p, &t, 0, NULL, "fake", 1, original) > 0);
assert_se(streq(t, "foobar"));
free(t);
assert_se(p == original + 7);
assert_se(unquote_first_word_and_warn(&p, &t, 0, NULL, "fake", 1, original) > 0);
assert_se(streq(t, "waldo"));
free(t);
assert_se(p == original + 12);
assert_se(unquote_first_word_and_warn(&p, &t, 0, NULL, "fake", 1, original) == 0);
assert_se(!t);
assert_se(p == original + 12);
p = original = "\"foobar\" \'waldo\'";
assert_se(unquote_first_word_and_warn(&p, &t, 0, NULL, "fake", 1, original) > 0);
assert_se(streq(t, "foobar"));
free(t);
assert_se(p == original + 9);
assert_se(unquote_first_word_and_warn(&p, &t, 0, NULL, "fake", 1, original) > 0);
assert_se(streq(t, "waldo"));
free(t);
assert_se(p == original + 16);
assert_se(unquote_first_word_and_warn(&p, &t, 0, NULL, "fake", 1, original) == 0);
assert_se(!t);
assert_se(p == original + 16);
p = original = "\"";
assert_se(unquote_first_word_and_warn(&p, &t, 0, NULL, "fake", 1, original) == -EINVAL);
assert_se(p == original + 1);
p = original = "\'";
assert_se(unquote_first_word_and_warn(&p, &t, 0, NULL, "fake", 1, original) == -EINVAL);
assert_se(p == original + 1);
p = original = "\'fooo";
assert_se(unquote_first_word_and_warn(&p, &t, 0, NULL, "fake", 1, original) == -EINVAL);
assert_se(p == original + 5);
p = original = "\'fooo";
assert_se(unquote_first_word_and_warn(&p, &t, UNQUOTE_RELAX, NULL, "fake", 1, original) > 0);
assert_se(streq(t, "fooo"));
free(t);
assert_se(p == original + 5);
p = original = " foo\\ba\\x6ar ";
assert_se(unquote_first_word_and_warn(&p, &t, UNQUOTE_CUNESCAPE, NULL, "fake", 1, original) > 0);
assert_se(streq(t, "foo\ba\x6ar"));
free(t);
assert_se(p == original + 13);
p = original = " foo\\ba\\x6ar ";
assert_se(unquote_first_word_and_warn(&p, &t, 0, NULL, "fake", 1, original) > 0);
assert_se(streq(t, "foobax6ar"));
free(t);
assert_se(p == original + 13);
p = original = " f\\u00f6o \"pi\\U0001F4A9le\" ";
assert_se(unquote_first_word_and_warn(&p, &t, UNQUOTE_CUNESCAPE, NULL, "fake", 1, original) > 0);
assert_se(streq(t, "föo"));
free(t);
assert_se(p == original + 13);
assert_se(unquote_first_word_and_warn(&p, &t, UNQUOTE_CUNESCAPE, NULL, "fake", 1, original) > 0);
assert_se(streq(t, "pi\360\237\222\251le"));
free(t);
assert_se(p == original + 32);
p = original = "fooo\\";
assert_se(unquote_first_word_and_warn(&p, &t, UNQUOTE_RELAX, NULL, "fake", 1, original) > 0);
assert_se(streq(t, "fooo"));
free(t);
assert_se(p == original + 5);
p = original = "fooo\\";
assert_se(unquote_first_word_and_warn(&p, &t, 0, NULL, "fake", 1, original) > 0);
assert_se(streq(t, "fooo\\"));
free(t);
assert_se(p == original + 5);
p = original = "fooo\\";
assert_se(unquote_first_word_and_warn(&p, &t, UNQUOTE_CUNESCAPE, NULL, "fake", 1, original) > 0);
assert_se(streq(t, "fooo\\"));
free(t);
assert_se(p == original + 5);
p = original = "\"foo\\";
assert_se(unquote_first_word_and_warn(&p, &t, 0, NULL, "fake", 1, original) == -EINVAL);
assert_se(p == original + 5);
p = original = "\"foo\\";
assert_se(unquote_first_word_and_warn(&p, &t, UNQUOTE_RELAX, NULL, "fake", 1, original) > 0);
assert_se(streq(t, "foo"));
free(t);
assert_se(p == original + 5);
p = original = "\"foo\\";
assert_se(unquote_first_word_and_warn(&p, &t, UNQUOTE_CUNESCAPE, NULL, "fake", 1, original) == -EINVAL);
assert_se(p == original + 5);
p = original = "\"foo\\";
assert_se(unquote_first_word_and_warn(&p, &t, UNQUOTE_CUNESCAPE|UNQUOTE_RELAX, NULL, "fake", 1, original) > 0);
assert_se(streq(t, "foo"));
free(t);
assert_se(p == original + 5);
p = original = "fooo\\ bar quux";
assert_se(unquote_first_word_and_warn(&p, &t, UNQUOTE_RELAX, NULL, "fake", 1, original) > 0);
assert_se(streq(t, "fooo bar"));
free(t);
assert_se(p == original + 10);
p = original = "fooo\\ bar quux";
assert_se(unquote_first_word_and_warn(&p, &t, 0, NULL, "fake", 1, original) > 0);
assert_se(streq(t, "fooo bar"));
free(t);
assert_se(p == original + 10);
p = original = "fooo\\ bar quux";
assert_se(unquote_first_word_and_warn(&p, &t, UNQUOTE_CUNESCAPE, NULL, "fake", 1, original) > 0);
assert_se(streq(t, "fooo\\ bar"));
free(t);
assert_se(p == original + 10);
p = original = "\\w+@\\K[\\d.]+";
assert_se(unquote_first_word_and_warn(&p, &t, UNQUOTE_CUNESCAPE, NULL, "fake", 1, original) > 0);
assert_se(streq(t, "\\w+@\\K[\\d.]+"));
free(t);
assert_se(p == original + 12);
p = original = "\\w+\\b";
assert_se(unquote_first_word_and_warn(&p, &t, UNQUOTE_CUNESCAPE, NULL, "fake", 1, original) > 0);
assert_se(streq(t, "\\w+\b"));
free(t);
assert_se(p == original + 5);
}
static void test_unquote_many_words(void) {
@ -1610,6 +1848,7 @@ int main(int argc, char *argv[]) {
test_glob_exists();
test_execute_directory();
test_unquote_first_word();
test_unquote_first_word_and_warn();
test_unquote_many_words();
test_parse_proc_cmdline();
test_raw_clone();