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// SPDX-License-Identifier: GPL-3.0-or-later
#include "log2journal.h"
void rewrite_cleanup(REWRITE *rw) {
hashed_key_cleanup(&rw->key);
if(rw->flags & RW_MATCH_PCRE2)
search_pattern_cleanup(&rw->match_pcre2);
else if(rw->flags & RW_MATCH_NON_EMPTY)
replace_pattern_cleanup(&rw->match_non_empty);
replace_pattern_cleanup(&rw->value);
rw->flags = RW_NONE;
}
bool log_job_rewrite_add(LOG_JOB *jb, const char *key, RW_FLAGS flags, const char *search_pattern, const char *replace_pattern) {
if(jb->rewrites.used >= MAX_REWRITES) {
log2stderr("Error: too many rewrites. You can add up to %d rewrite rules.", MAX_REWRITES);
return false;
}
if((flags & (RW_MATCH_PCRE2|RW_MATCH_NON_EMPTY)) && (!search_pattern || !*search_pattern)) {
log2stderr("Error: rewrite for key '%s' does not specify a search pattern.", key);
return false;
}
REWRITE *rw = &jb->rewrites.array[jb->rewrites.used++];
rw->flags = flags;
hashed_key_set(&rw->key, key);
if((flags & RW_MATCH_PCRE2) && !search_pattern_set(&rw->match_pcre2, search_pattern, strlen(search_pattern))) {
rewrite_cleanup(rw);
jb->rewrites.used--;
return false;
}
else if((flags & RW_MATCH_NON_EMPTY) && !replace_pattern_set(&rw->match_non_empty, search_pattern)) {
rewrite_cleanup(rw);
jb->rewrites.used--;
return false;
}
if(replace_pattern && *replace_pattern && !replace_pattern_set(&rw->value, replace_pattern)) {
rewrite_cleanup(rw);
jb->rewrites.used--;
return false;
}
return true;
}
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