1 files changed, 39 insertions, 0 deletions
diff --git a/src/protocol/internal/ssh_crypto_common.c b/src/protocol/internal/ssh_crypto_common.c
new file mode 100644
index 0000000..0c16d9d
--- /dev/null
+++ b/src/protocol/internal/ssh_crypto_common.c
@@ -0,0 +1,39 @@
+#include "ssh_crypto_common.h"
+#include <string.h>
+
+/* We need the first algorithm in the client side,
+   so search l first
+*/
+
+int
+search_name(name_list l, const char *s)
+{
+	size_t ns = 1;
+	size_t i,j;
+	const char *p;
+
+	if (*s=='\0')
+		return -1;
+
+	for (p=s; *p; p++) {
+		if (*p==',') ns++;
+	}
+	const char *start[ns], *end[ns];
+
+	p = s;
+	for (i=0; i<ns; i++) {
+		start[i] = p;
+		end[i] = strchr(p, ',');
+		p = end[i]+1;
+	}
+	end[ns-1] = start[ns-1]+strlen(start[ns-1]);
+
+	for (i=0; l[i].name!=NULL; i++) {
+		size_t len = strlen(l[i].name);
+		for (j=0; j<ns; j++) {
+			if (start[j]+len==end[j] && strncmp(start[j],l[i].name,len)==0)
+				return i;
+		}
+	}
+	return -1;
+}