Migrated the reading of login and password from cli to the common lib

2 files changed, 67 insertions, 0 deletions

diff --git a/common/cli.c b/common/cli.c
new file mode 100644
index 0000000..fb4ac1f
--- /dev/null
+++ b/common/cli.c
@@ -0,0 +1,58 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <termios.h>
+
+#include "cli.h"
+
+char * login = NULL;
+char * password = NULL;
+
+void common_cli_free(void)
+{
+    free(login);
+    login = NULL;
+    free(password);
+    password = NULL;
+}
+
+const char* common_cli_get_login(void)
+{
+    while (1) {
+        size_t len = 0;
+        printf("Login: ");
+        ssize_t read = getline(&login, &len, stdin);
+        if (read > 1) {
+            login[read-1] = 0;
+            return login;
+        }
+    }
+}
+
+const char* common_cli_get_password(void)
+{
+    struct termios oflags, nflags;
+    tcgetattr(fileno(stdin), &oflags);
+    nflags = oflags;
+    nflags.c_lflag &= ~ECHO;
+    nflags.c_lflag |= ECHONL;
+
+    if (tcsetattr(fileno(stdin), TCSADRAIN, &nflags) != 0) {
+        perror("tcsetattr");
+        exit(998);
+    }
+
+    while (1) {
+        size_t len = 0;
+        printf("Password: ");
+        size_t read = getline(&password, &len, stdin);
+        if (read > 1) {
+            password[read-1] = 0;
+            break;
+        }
+    }
+    if (tcsetattr(fileno(stdin), TCSANOW, &oflags) != 0) {
+        perror("tcsetattr 2");
+        exit(998);
+    }
+    return password;
+}
diff --git a/common/cli.h b/common/cli.h
new file mode 100644
index 0000000..51f014b
--- /dev/null
+++ b/common/cli.h
@@ -0,0 +1,9 @@
+#ifndef COMMON_CLI_H_
+#define COMMON_CLI_H_
+
+void common_cli_free(void);
+const char* common_cli_get_login(void);
+const char* common_cli_get_password(void);
+
+#endif
+