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trigger: do not create the trigger with /trigger add if the regex is invalid

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This commit is contained in:
Sebastien Helleu
2014-03-02 08:32:05 +01:00
parent 8f0294f8d0
commit ddf3e9043b
16 changed files with 394 additions and 93 deletions
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src/plugins/trigger/trigger.c
+36 -21
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@@ -449,7 +449,7 @@ trigger_hook (struct t_trigger *trigger)
*/
void
trigger_free_regex (int *regex_count, struct t_trigger_regex **regex)
trigger_regex_free (int *regex_count, struct t_trigger_regex **regex)
{
int i;
@@ -479,25 +479,32 @@ trigger_free_regex (int *regex_count, struct t_trigger_regex **regex)
/*
* Splits the regex in structures, with regex and replacement text.
*
* Returns:
* 0: OK
* -1: format error
* -2: regex compilation error
* -3: not enough memory
*/
void
trigger_split_regex (const char *trigger_name, const char *str_regex,
int
trigger_regex_split (const char *str_regex,
int *regex_count, struct t_trigger_regex **regex)
{
const char *ptr_regex, *pos, *pos_replace, *pos_replace_end;
const char *pos_next_regex;
char *delimiter;
int index, length_delimiter;
int rc, index, length_delimiter;
struct t_trigger_regex *new_regex;
rc = 0;
delimiter = NULL;
if (!regex_count || !regex)
goto end;
/* remove any existing regex */
trigger_free_regex (regex_count, regex);
trigger_regex_free (regex_count, regex);
if (!str_regex || !str_regex[0])
goto end;
@@ -574,13 +581,15 @@ trigger_split_regex (const char *trigger_name, const char *str_regex,
(*regex)[index].str_regex,
REG_EXTENDED | REG_ICASE) != 0)
{
/*
weechat_printf (NULL,
_("%s%s: error compiling regular expression \"%s\""),
weechat_prefix ("error"), TRIGGER_PLUGIN_NAME,
(*regex)[index].str_regex);
*/
free ((*regex)[index].regex);
(*regex)[index].regex = NULL;
goto end;
goto compile_error;
}
/* set replace and replace_eval */
@@ -627,24 +636,24 @@ trigger_split_regex (const char *trigger_name, const char *str_regex,
goto end;
format_error:
weechat_printf (NULL,
_("%s%s: invalid value for option \"regex\", "
"see /help trigger.trigger.%s.regex"),
weechat_prefix ("error"), TRIGGER_PLUGIN_NAME,
trigger_name);
trigger_free_regex (regex_count, regex);
rc = -1;
goto end;
compile_error:
rc = -2;
goto end;
memory_error:
weechat_printf (NULL,
_("%s%s: not enough memory"),
weechat_prefix ("error"), TRIGGER_PLUGIN_NAME);
trigger_free_regex (regex_count, regex);
rc = -3;
goto end;
end:
if (delimiter)
free (delimiter);
if (rc < 0)
trigger_regex_free (regex_count, regex);
return rc;
}
/*
@@ -825,10 +834,16 @@ trigger_new_with_options (const char *name, struct t_config_option **options)
trigger_add (new_trigger, &triggers, &last_trigger);
triggers_count++;
trigger_split_regex (new_trigger->name,
weechat_config_string (new_trigger->options[TRIGGER_OPTION_REGEX]),
&new_trigger->regex_count,
&new_trigger->regex);
if (trigger_regex_split (weechat_config_string (new_trigger->options[TRIGGER_OPTION_REGEX]),
&new_trigger->regex_count,
&new_trigger->regex) < 0)
{
weechat_printf (NULL,
_("%sError: invalid regular expression in trigger "
"\"%s\""),
weechat_prefix ("error"),
name);
}
trigger_split_command (weechat_config_string (new_trigger->options[TRIGGER_OPTION_COMMAND]),
&new_trigger->commands_count,
&new_trigger->commands);
@@ -1020,7 +1035,7 @@ trigger_free (struct t_trigger *trigger)
/* free data */
trigger_unhook (trigger);
trigger_free_regex (&trigger->regex_count, &trigger->regex);
trigger_regex_free (&trigger->regex_count, &trigger->regex);
if (trigger->name)
free (trigger->name);
for (i = 0; i < TRIGGER_NUM_OPTIONS; i++)