On Wed, Jul 08, 2026 at 11:57:13AM +0200, Theo Buehler wrote:
> > Here is a refactor that introduces helpers for shortlist & skiplist. I
> > don't think a 'len' member is needed if the needles used for search are
> > right-sized.
> 
> I would prefer not strdup-ing and keeping the existing logic to be
> honest. I also don't think this requires yet another file.

how about this? Pass a length into the search function.

Index: extern.h
===================================================================
RCS file: /cvs/src/usr.sbin/rpki-client/extern.h,v
diff -u -p -r1.287 extern.h
--- extern.h	1 Jul 2026 11:09:12 -0000	1.287
+++ extern.h	8 Jul 2026 10:20:43 -0000
@@ -29,11 +29,16 @@
 
 #define MAX_MSG_SIZE	(50 * 1024 * 1024)
 
-struct fqdnlistentry {
-	LIST_ENTRY(fqdnlistentry)	entry;
-	char				*fqdn;
+struct strlistentry {
+	LIST_ENTRY(strlistentry) entry;
+	char *str;
+	size_t str_len;
 };
-LIST_HEAD(fqdns, fqdnlistentry);
+LIST_HEAD(strlist_head, strlistentry);
+
+void strlist_insert(struct strlist_head *, const char *);
+int strlist_find(const struct strlist_head *, const char *, size_t);
+void strlist_free(struct strlist_head *);
 
 enum cert_as_type {
 	CERT_AS_ID, /* single identifier */
Index: main.c
===================================================================
RCS file: /cvs/src/usr.sbin/rpki-client/main.c,v
diff -u -p -r1.309 main.c
--- main.c	24 Jun 2026 09:06:20 -0000	1.309
+++ main.c	8 Jul 2026 10:20:44 -0000
@@ -85,8 +85,49 @@ int64_t  evaluation_time = X509_TIME_MIN
 
 struct stats	 stats;
 
-struct fqdns shortlist = LIST_HEAD_INITIALIZER(fqdns);
-struct fqdns skiplist = LIST_HEAD_INITIALIZER(fqdns);
+static struct strlist_head shortlist = LIST_HEAD_INITIALIZER(shortlist);
+static struct strlist_head skiplist = LIST_HEAD_INITIALIZER(skiplist);
+
+void
+strlist_insert(struct strlist_head *strlist, const char *str)
+{
+	struct strlistentry *sle;
+
+	if ((sle = malloc(sizeof(*sle))) == NULL)
+		err(1, NULL);
+
+	if ((sle->str = strdup(str)) == NULL)
+		err(1, NULL);
+
+	sle->str_len = strlen(sle->str);
+
+	LIST_INSERT_HEAD(strlist, sle, entry);
+}
+
+int
+strlist_find(const struct strlist_head *strlist, const char *str, size_t len)
+{
+	struct strlistentry *sle;
+
+	LIST_FOREACH(sle, strlist, entry) {
+		if (sle->str_len == len && strncasecmp(str, sle->str, len) == 0)
+			return 1;
+	}
+
+	return 0;
+}
+
+void
+strlist_free(struct strlist_head *strlist)
+{
+	struct strlistentry *sle, *sle_tmp;
+
+	LIST_FOREACH_SAFE(sle, strlist, entry, sle_tmp) {
+		LIST_REMOVE(sle, entry);
+		free(sle->str);
+		free(sle);
+	}
+}
 
 /*
  * Log a message to stderr if and only if "verbose" is non-zero.
@@ -509,7 +550,6 @@ static void
 queue_add_from_cert(const struct cert *cert, struct nca_tree *ncas)
 {
 	struct repo		*repo;
-	struct fqdnlistentry	*le;
 	char			*nfile, *npath, *host;
 	const char		*uri, *repouri, *file;
 	size_t			 hostsz, repourisz;
@@ -520,21 +560,13 @@ queue_add_from_cert(const struct cert *c
 	host = cert->repo + RSYNC_PROTO_LEN;
 	hostsz = strcspn(host, "/");
 
-	LIST_FOREACH(le, &skiplist, entry) {
-		if (strlen(le->fqdn) == hostsz &&
-		    strncasecmp(host, le->fqdn, hostsz) == 0) {
-			warnx("skipping %s (listed in skiplist)", cert->repo);
-			return;
-		}
+	if (strlist_find(&skiplist, host, hostsz)) {
+		warnx("skipping %s (listed in skiplist)", cert->repo);
+		return;
 	}
 
-	LIST_FOREACH(le, &shortlist, entry) {
-		if (strlen(le->fqdn) == hostsz &&
-		    strncasecmp(host, le->fqdn, hostsz) == 0) {
-			shortlisted = 1;
-			break;
-		}
-	}
+	shortlisted = strlist_find(&shortlist, host, hostsz);
+
 	if (shortlistmode && shortlisted == 0) {
 		if (verbose)
 			warnx("skipping %s (not shortlisted)", cert->repo);
@@ -881,7 +913,6 @@ tal_load_default(void)
 static void
 load_skiplist(const char *slf)
 {
-	struct fqdnlistentry	*le;
 	FILE			*fp;
 	char			*line = NULL;
 	size_t			 linesize = 0, linelen;
@@ -910,12 +941,8 @@ load_skiplist(const char *slf)
 		if (!valid_uri(line, linelen, NULL))
 			errx(1, "invalid entry in skiplist: %s", line);
 
-		if ((le = malloc(sizeof(struct fqdnlistentry))) == NULL)
-			err(1, NULL);
-		if ((le->fqdn = strdup(line)) == NULL)
-			err(1, NULL);
+		strlist_insert(&skiplist, line);
 
-		LIST_INSERT_HEAD(&skiplist, le, entry);
 		stats.skiplistentries++;
 	}
 	if (ferror(fp))
@@ -931,18 +958,11 @@ load_skiplist(const char *slf)
 static void
 load_shortlist(const char *fqdn)
 {
-	struct fqdnlistentry	*le;
-
 	if (!valid_uri(fqdn, strlen(fqdn), NULL))
 		errx(1, "invalid fqdn passed to -q: %s", fqdn);
 
-	if ((le = malloc(sizeof(struct fqdnlistentry))) == NULL)
-		err(1, NULL);
-
-	if ((le->fqdn = strdup(fqdn)) == NULL)
-		err(1, NULL);
+	strlist_insert(&shortlist, fqdn);
 
-	LIST_INSERT_HEAD(&shortlist, le, entry);
 }
 
 static void
Index: nca.c
===================================================================
RCS file: /cvs/src/usr.sbin/rpki-client/nca.c,v
diff -u -p -r1.8 nca.c
--- nca.c	8 Jul 2026 05:33:28 -0000	1.8
+++ nca.c	8 Jul 2026 10:20:44 -0000
@@ -123,7 +123,7 @@ certidcmp(const struct nonfunc_ca *a, co
 
 RB_GENERATE(nca_tree, nonfunc_ca, entry, certidcmp);
 
-static LIST_HEAD(, fqdnlistentry) notifys = LIST_HEAD_INITIALIZER(notifys);
+static struct strlist_head batchlist = LIST_HEAD_INITIALIZER(batchlist);
 
 static RB_HEAD(nca_hist_tree, nca_hist) ncas_hist = RB_INITIALIZER(&ncas_hist);
 
@@ -229,8 +229,6 @@ static void
 ncas_plan_retries(void)
 {
 	struct nca_hist *nca_hist;
-	struct fqdnlistentry *fle, *fle_tmp;
-	size_t notify_len;
 
 	RB_FOREACH(nca_hist, nca_hist_tree, &ncas_hist) {
 		if (nca_decide_retry(nca_hist) == 0) {
@@ -241,36 +239,21 @@ ncas_plan_retries(void)
 		if (nca_hist->notify == NULL)
 			continue;
 
-		if ((fle = malloc(sizeof(*fle))) == NULL)
-			err(1, NULL);
-
-		if ((fle->fqdn = strdup(nca_hist->notify)) == NULL)
-			err(1, NULL);
-
-		LIST_INSERT_HEAD(&notifys, fle, entry);
+		strlist_insert(&batchlist, nca_hist->notify);
 	}
 
 	RB_FOREACH(nca_hist, nca_hist_tree, &ncas_hist) {
 		if (nca_hist->notify == NULL)
 			continue;
 
-		notify_len = strlen(nca_hist->notify);
-
-		LIST_FOREACH(fle, &notifys, entry) {
-			if (strlen(fle->fqdn) == notify_len &&
-			    strncasecmp(nca_hist->notify, fle->fqdn,
-			    notify_len) == 0) {
-				nca_hist->defer = 0;
-				break;
-			}
+		if (strlist_find(&batchlist, nca_hist->notify,
+		    strlen(nca_hist->notify))) {
+			nca_hist->defer = 0;
+			break;
 		}
 	}
 
-	LIST_FOREACH_SAFE(fle, &notifys, entry, fle_tmp) {
-		LIST_REMOVE(fle, entry);
-		free(fle->fqdn);
-		free(fle);
-	}
+	strlist_free(&batchlist);
 }
 
 void