Hi,
On 06/12/2020 13:57, Gert Doering wrote:
> <inline> segments neglected to increment the "current line number
> in config file" variable (line_num), so after the first <inline>,
> errors reported have the wrong line number.
>
> Fix by introducing an extra argument to read_inline_file() function:
> "so many lines in the inline block", and changing the return values of
> the "check_inline*()" functions to "int", changing this from "false/true"
> to "0 = no inline, 1...N = inline with <N> lines".
>
> On calling add_options() this is implicitly converted back to bool.
>
> v2: use int return value, not extra call-by-reference parameter
>
> Trac: #1325
> ---
> src/openvpn/options.c | 33 +++++++++++++++++----------------
> 1 file changed, 17 insertions(+), 16 deletions(-)
>
> diff --git a/src/openvpn/options.c b/src/openvpn/options.c
> index 21f8d494..d8a86560 100644
> --- a/src/openvpn/options.c
> +++ b/src/openvpn/options.c
> @@ -4659,7 +4659,8 @@ in_src_get(const struct in_src *is, char *line, const
> int size)
> }
>
> static char *
> -read_inline_file(struct in_src *is, const char *close_tag, struct gc_arena
> *gc)
> +read_inline_file(struct in_src *is, const char *close_tag,
> + int *num_lines, struct gc_arena *gc)
> {
> char line[OPTION_LINE_SIZE];
> struct buffer buf = alloc_buf(8*OPTION_LINE_SIZE);
> @@ -4668,6 +4669,7 @@ read_inline_file(struct in_src *is, const char
> *close_tag, struct gc_arena *gc)
>
> while (in_src_get(is, line, sizeof(line)))
> {
> + (*num_lines)++;
> char *line_ptr = line;
> /* Remove leading spaces */
> while (isspace(*line_ptr))
> @@ -4701,10 +4703,10 @@ read_inline_file(struct in_src *is, const char
> *close_tag, struct gc_arena *gc)
> return ret;
> }
>
> -static bool
> +static int
> check_inline_file(struct in_src *is, char *p[], struct gc_arena *gc)
> {
> - bool is_inline = false;
> + int num_inline_lines = 0;
>
> if (p[0] && !p[1])
> {
> @@ -4717,16 +4719,15 @@ check_inline_file(struct in_src *is, char *p[],
> struct gc_arena *gc)
> p[0] = string_alloc(arg + 1, gc);
> close_tag = alloc_buf(strlen(p[0]) + 4);
> buf_printf(&close_tag, "</%s>", p[0]);
> - p[1] = read_inline_file(is, BSTR(&close_tag), gc);
> + p[1] = read_inline_file(is, BSTR(&close_tag), &num_inline_lines,
> gc);
> p[2] = NULL;
> free_buf(&close_tag);
> - is_inline = true;
> }
> }
> - return is_inline;
> + return num_inline_lines;
> }
>
> -static bool
> +static int
> check_inline_file_via_fp(FILE *fp, char *p[], struct gc_arena *gc)
> {
> struct in_src is;
> @@ -4735,7 +4736,7 @@ check_inline_file_via_fp(FILE *fp, char *p[], struct
> gc_arena *gc)
> return check_inline_file(&is, p, gc);
> }
>
> -static bool
> +static int
> check_inline_file_via_buf(struct buffer *multiline, char *p[],
> struct gc_arena *gc)
> {
> @@ -4806,13 +4807,13 @@ read_config_file(struct options *options,
> }
> if (parse_line(line + offset, p, SIZE(p)-1, file, line_num,
> msglevel, &options->gc))
> {
> - bool is_inline;
> -
> bypass_doubledash(&p[0]);
> - is_inline = check_inline_file_via_fp(fp, p,
> &options->gc);
> - add_option(options, p, is_inline, file, line_num, level,
> + int lines_inline =
> + check_inline_file_via_fp(fp, p, &options->gc);
This is quite ugly - maybe we could just keep it on one line (as we
recently agreed that we can go beyond 80 chars if useful)?
> + add_option(options, p, lines_inline, file, line_num,
> level,
> msglevel, permission_mask, option_types_found,
> es);
> + line_num += lines_inline;
> }
> }
> if (fp != stdin)
> @@ -4855,12 +4856,12 @@ read_config_string(const char *prefix,
> ++line_num;
> if (parse_line(line, p, SIZE(p)-1, prefix, line_num, msglevel,
> &options->gc))
> {
> - bool is_inline;
> -
> bypass_doubledash(&p[0]);
> - is_inline = check_inline_file_via_buf(&multiline, p,
> &options->gc);
> - add_option(options, p, is_inline, prefix, line_num, 0, msglevel,
> + int lines_inline =
> + check_inline_file_via_buf(&multiline, p, &options->gc);
> + add_option(options, p, lines_inline, prefix, line_num, 0,
> msglevel,
> permission_mask, option_types_found, es);
> + line_num += lines_inline;
> }
> CLEAR(p);
> }
>
The rest looks good and I "nicely" get errors reporting the correct lines!
Acked-by: Antonio Quartulli <[email protected]>
--
Antonio Quartulli
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