[sr-dev] git:master:9cae0698: regex: leave enough space in buffers for parenthesis and -ending

[Daniel-Constantin Mierla]

Module: kamailio
Branch: master
Commit: 9cae069832c8f37ebf9e686b3fbcab5d63652755
URL: https://github.com/kamailio/kamailio/commit/9cae069832c8f37ebf9e686b3fbcab5d63652755

Author: Daniel-Constantin Mierla <miconda at gmail.com>
Committer: Daniel-Constantin Mierla <miconda at gmail.com>
Date: 2020-05-11T17:46:29+02:00

regex: leave enough space in buffers for parenthesis and -ending

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Modified: src/modules/regex/regex_mod.c

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Diff:  https://github.com/kamailio/kamailio/commit/9cae069832c8f37ebf9e686b3fbcab5d63652755.diff
Patch: https://github.com/kamailio/kamailio/commit/9cae069832c8f37ebf9e686b3fbcab5d63652755.patch

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diff --git a/src/modules/regex/regex_mod.c b/src/modules/regex/regex_mod.c
index 880e1924fd..475c3542eb 100644
--- a/src/modules/regex/regex_mod.c
+++ b/src/modules/regex/regex_mod.c
@@ -275,7 +275,7 @@ static int load_pcres(int action)
 	/* Read the file and extract the patterns */
 	memset(line, 0, FILE_MAX_LINE);
 	i = -1;
-	while (fgets(line, FILE_MAX_LINE, f) != NULL) {
+	while (fgets(line, FILE_MAX_LINE-4, f) != NULL) {
 
 		/* Ignore comments and lines starting by space, tab, CR, LF */
 		if(isspace(line[0]) || line[0]=='#') {
@@ -306,7 +306,7 @@ static int load_pcres(int action)
 		}
 
 		/* Check if the patter size is too big (aprox) */
-		if (strlen(patterns[i]) + strlen(line) >= group_max_size - 2) {
+		if (strlen(patterns[i]) + strlen(line) >= group_max_size - 4) {
 			LM_ERR("pattern max file exceeded\n");
 			fclose(f);
 			goto err;