diff options
| -rw-r--r-- | src/basic/util.c | 125 | ||||
| -rw-r--r-- | src/basic/util.h | 6 | ||||
| -rw-r--r-- | src/core/load-fragment.c | 226 | ||||
| -rw-r--r-- | src/test/test-unit-file.c | 72 | ||||
| -rw-r--r-- | src/test/test-util.c | 239 |
5 files changed, 482 insertions, 186 deletions
diff --git a/src/basic/util.c b/src/basic/util.c index e0c5069ff8..727be56f58 100644 --- a/src/basic/util.c +++ b/src/basic/util.c @@ -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; diff --git a/src/basic/util.h b/src/basic/util.h index 7aca46d777..a1d1dd15c3 100644 --- a/src/basic/util.h +++ b/src/basic/util.h @@ -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); diff --git a/src/core/load-fragment.c b/src/core/load-fragment.c index df5fe6fb32..a48cb4029a 100644 --- a/src/core/load-fragment.c +++ b/src/core/load-fragment.c @@ -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; + 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 ++; + } - 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; + 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; + } - k++; + if (!string_is_safe(f)) { + log_syntax(unit, LOG_ERR, filename, line, EINVAL, + "Executable path contains special characters, ignoring: %s", rvalue); + return 0; } - if (!isempty(state)) { - log_syntax(unit, LOG_ERR, filename, line, EINVAL, "Trailing garbage, ignoring."); + 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; } - 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(); + if (f == firstword) { + path = firstword; + firstword = NULL; + } else { + path = strdup(f); + if (!path) + 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; - } + 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; + } - } else if (strneq(word, ";", MAX(l, 1U))) - /* new commandline */ - break; + path_kill_slashes(path); - else - skip = strneq(word, "\\;", MAX(l, 1U)); + for (;;) { + _cleanup_free_ char *word = NULL; - 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; + /* 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; } - if (!utf8_is_valid(c)) { - log_invalid_utf8(unit, LOG_ERR, filename, line, EINVAL, rvalue); - r = 0; - goto fail; + /* 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; } - /* where to stuff this? */ - if (separate_argv0 && path == NULL) - path = c; - else - n[k++] = c; - } + r = unquote_first_word_and_warn(&p, &word, UNQUOTE_CUNESCAPE, unit, filename, line, rvalue); + if (r == 0) + break; + else if (r < 0) + return 0; - n[k] = NULL; + if (!GREEDY_REALLOC(n, nbufsize, nlen + 2)) + return log_oom(); + n[nlen++] = word; + n[nlen] = NULL; + word = NULL; + } - 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; - - log_syntax(unit, LOG_ERR, filename, line, EINVAL, "%s, ignoring: %s", reason, rvalue); - r = 0; - goto fail; - -ok: - if (!path) { - path = strdup(n[0]); - if (!path) { - r = log_oom(); - goto fail; - } + 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; - } - - return 0; + /* Do not _cleanup_free_ these. */ + n = NULL; + path = NULL; + nce = NULL; -fail: - n[k] = NULL; - strv_free(n); - free(path); - free(nce); + rvalue = p; + } while (semicolon); - return r; + return 0; } DEFINE_CONFIG_PARSE_ENUM(config_parse_service_type, service_type, ServiceType, "Failed to parse service type"); diff --git a/src/test/test-unit-file.c b/src/test/test-unit-file.c index a8025c825b..8358789e6f 100644 --- a/src/test/test-unit-file.c +++ b/src/test/test-unit-file.c @@ -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); + + 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", false); + "/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, diff --git a/src/test/test-util.c b/src/test/test-util.c index ed8db45115..ad9ea3bcce 100644 --- a/src/test/test-util.c +++ b/src/test/test-util.c @@ -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(); |