tools: mailutil: Add mailbox list command

Signed-off-by: Ian Moffett <ian@mirocom.org>

tools/mailutil/core/mailutil.c

@@ -7,6 +7,7 @@
 #include <unistd.h>
 #include <string.h>
 #include <unistd.h>
+#include <dirent.h>
 #include "libremail/file.h"
 #include "libremail/common.h"
 
@@ -49,6 +50,29 @@ version(void)
     printf("Version v%s\n", MAILUTIL_VERSION);
 }
 
+static int
+cmd_mailbox_list(void)
+{
+    DIR *dir;
+    struct dirent *dirent;
+
+    if ((dir = opendir(MAILBOX_PREFIX)) == NULL) {
+        perror("opendir");
+        return -1;
+    }
+
+    while ((dirent = readdir(dir)) != NULL) {
+        if (dirent->d_name[0] == '.') {
+            continue;
+        }
+
+        printf("[mailbox] :: %s\n", dirent->d_name);
+    }
+
+    closedir(dir);
+    return 0;
+}
+
 /*
  * Parse a "mailbox create" command
  *
@@ -95,6 +119,10 @@ cmd_mailbox(const char *cmdlist[CMD_MAX_CNP], size_t count)
         return cmd_mailbox_create(cmdlist, count);
     }
 
+    if (strcmp(cmdlist[1], "list") == 0) {
+        return cmd_mailbox_list();
+    }
+
     printf("error: bad parameter\n");
     return -1;
 }