diff options
Diffstat (limited to 'src/basic')
| -rw-r--r-- | src/basic/util.c | 30 | ||||
| -rw-r--r-- | src/basic/util.h | 1 |
2 files changed, 31 insertions, 0 deletions
diff --git a/src/basic/util.c b/src/basic/util.c index 46a48c4d60..727be56f58 100644 --- a/src/basic/util.c +++ b/src/basic/util.c @@ -5320,6 +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 748f22f1a2..a1d1dd15c3 100644 --- a/src/basic/util.h +++ b/src/basic/util.h @@ -845,6 +845,7 @@ typedef enum UnquoteFlags { } 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); |