Handle "0" in domain names

ValdikSS · ValdikSS · commit 55a3a94065de · 2022-03-06T00:22:22.000+03:00
diff --git a/src/goodbyedpi.c b/src/goodbyedpi.c
@@ -415,7 +415,7 @@ static int extract_sni(const char *pktdata, unsigned int pktlen,
                 }
                 /* Validate that hostname has only ascii lowercase characters */
                 for (int i=0; i<hnlen; i++) {
-                    if (!( (hnaddr[i] >= '1' && hnaddr[i] <= '9') ||
+                    if (!( (hnaddr[i] >= '0' && hnaddr[i] <= '9') ||
                          (hnaddr[i] >= 'a' && hnaddr[i] <= 'z') ||
                          hnaddr[i] == '.' || hnaddr[i] == '-'))
                     {

Original file line number	Diff line number	Diff line change
`@@ -415,7 +415,7 @@ static int extract_sni(const char *pktdata, unsigned int pktlen,`
`415`	`415`	`}`
`416`	`416`	`/* Validate that hostname has only ascii lowercase characters */`
`417`	`417`	`for (int i=0; i<hnlen; i++) {`
`418`		`- if (!( (hnaddr[i] >= '1' && hnaddr[i] <= '9') \|\|`
	`418`	`+ if (!( (hnaddr[i] >= '0' && hnaddr[i] <= '9') \|\|`
`419`	`419`	`(hnaddr[i] >= 'a' && hnaddr[i] <= 'z') \|\|`
`420`	`420`	`hnaddr[i] == '.' \|\| hnaddr[i] == '-'))`
`421`	`421`	`{`