Import sources from 2011-03-30 iso image

1 files changed, 90 insertions, 0 deletions

diff --git a/sys/src/cmd/auth/lib/readwrite.c b/sys/src/cmd/auth/lib/readwrite.c
new file mode 100755
index 000000000..54f494eb4
--- /dev/null
+++ b/sys/src/cmd/auth/lib/readwrite.c
@@ -0,0 +1,90 @@
+#include <u.h>
+#include <libc.h>
+#include <authsrv.h>
+#include <bio.h>
+#include "authcmdlib.h"
+
+int
+readfile(char *file, char *buf, int n)
+{
+	int fd;
+
+	fd = open(file, OREAD);
+	if(fd < 0){
+		werrstr("%s: %r", file);
+		return -1;
+	}
+	n = read(fd, buf, n);
+	close(fd);
+	return n;
+}
+
+int
+writefile(char *file, char *buf, int n)
+{
+	int fd;
+
+	fd = open(file, OWRITE);
+	if(fd < 0)
+		return -1;
+	n = write(fd, buf, n);
+	close(fd);
+	return n;
+}
+
+char*
+findkey(char *db, char *user, char *key)
+{
+	int n;
+	char filename[Maxpath];
+
+	snprint(filename, sizeof filename, "%s/%s/key", db, user);
+	n = readfile(filename, key, DESKEYLEN);
+	if(n != DESKEYLEN)
+		return 0;
+	else
+		return key;
+}
+
+char*
+findsecret(char *db, char *user, char *secret)
+{
+	int n;
+	char filename[Maxpath];
+
+	snprint(filename, sizeof filename, "%s/%s/secret", db, user);
+	n = readfile(filename, secret, SECRETLEN-1);
+	secret[n]=0;
+	if(n <= 0)
+		return 0;
+	else
+		return secret;
+}
+
+char*
+setkey(char *db, char *user, char *key)
+{
+	int n;
+	char filename[Maxpath];
+
+	snprint(filename, sizeof filename, "%s/%s/key", db, user);
+	n = writefile(filename, key, DESKEYLEN);
+	if(n != DESKEYLEN)
+		return 0;
+	else
+		return key;
+}
+
+char*
+setsecret(char *db, char *user, char *secret)
+{
+	int n;
+	char filename[Maxpath];
+
+	snprint(filename, sizeof filename, "%s/%s/secret", db, user);
+	n = writefile(filename, secret, strlen(secret));
+	if(n != strlen(secret))
+		return 0;
+	else
+		return secret;
+}