Initial checkin

1 files changed, 308 insertions, 0 deletions

diff --git a/libftpconn/ftpdir.c b/libftpconn/ftpdir.c
new file mode 100644
index 00000000..36d15df0
--- /dev/null
+++ b/libftpconn/ftpdir.c
@@ -0,0 +1,308 @@
+#include <unistd.h>
+#include <string.h>
+#include <error.h>
+#include <argp.h>
+#include <time.h>
+#include <netdb.h>
+
+#include <version.h>
+
+#include <ftpconn.h>
+
+#define COPY_SZ 65536
+
+const char *argp_program_version = STANDARD_HURD_VERSION (ftpdir);
+
+static struct argp_option options[] =
+{
+  {"user",     'u', "USER",0, "User to login as on ftp server"},
+  {"password", 'p', "PWD", 0, "USER's password"},
+  {"account",  'a', "ACCT",0, "Account to login as"}, 
+  {"separator",'S', "SEP", 0, "String to separate multiple listings"},
+  {"prefix",   'P', "PFX", 0, "String to proceed listings; the first and second"
+                              " occurances of %s are replace by HOST and DIR"},
+  {"host",     'h', "HOST",0, "Use HOST as a default host"},
+  {"debug",    'D', 0,     0, "Turn on debugging output for ftp connections"},
+  {"intepret", 'i', 0,     0, "Parse the directory output"},
+  {0, 0}
+};
+static char *args_doc = "[([HOST:]DIR | HOST:)...]";
+static char *doc = "Get a directory listing over ftp from HOST:DIR."
+"\vIf HOST is not supplied in an argument any default value set by --host is"
+" used; if DIR is not supplied, the default directory of HOST is used."
+"\nIf multiple DIRs are supplied on the command line, each listing is"
+" prefixed by a newline (or SEP) and a line containing HOST:DIR: (or PFX).";
+
+/* customization hooks.  */
+static struct ftp_conn_hooks conn_hooks = { 0 };
+
+static void
+cntl_debug (struct ftp_conn *conn, int type, const char *txt)
+{
+  char *type_str;
+
+  switch (type)
+    {
+    case FTP_CONN_CNTL_DEBUG_CMD:   type_str = "."; break;
+    case FTP_CONN_CNTL_DEBUG_REPLY: type_str = "="; break;
+    default: type_str = "?"; break;
+    }
+
+  fprintf (stderr, "%s%s\n", type_str, txt);
+}
+
+struct ftpdir_host
+{
+  char *name;
+  struct ftp_conn_params params;
+  struct ftp_conn *conn;
+  struct ftpdir_host *next;
+};
+
+/* Return an ftp connection for the host NAME using PARAMS, and add an entry
+   for it to *HOSTS.  If a connection already exists in HOSTS, it is returned
+   instead of making a new one.  If an error occurrs, a message is printed and
+   0 is returned.  */
+static struct ftpdir_host *
+get_host_conn (char *name, struct ftp_conn_params *params,
+	       struct ftpdir_host **hosts)
+{
+  error_t err;
+  struct ftpdir_host *h;
+  struct hostent *he;
+
+  for (h = *hosts; h; h = h->next)
+    if (strcmp (h->name, name) == 0)
+      return h;
+
+  he = gethostbyname (name);
+  if (! he)
+    {
+      error (0, 0, "%s: %s", name, hstrerror (h_errno));
+      return 0;
+    }
+
+  for (h = *hosts; h; h = h->next)
+    if (he->h_addrtype == h->params.addr_type
+	&& he->h_length == h->params.addr_len
+	&& bcmp (he->h_addr_list[0], h->params.addr, he->h_length) == 0)
+      return h;
+
+  h = malloc (sizeof (struct ftpdir_host));
+  if (! h)
+    {
+      error (0, ENOMEM, "%s", name);
+      return 0;
+    }
+
+  h->params = *params;
+  h->params.addr = malloc (he->h_length);
+  h->name = strdup (he->h_name);
+
+  if (!h->name || !h->params.addr)
+    err = ENOMEM;
+  else
+    {
+      bcopy (he->h_addr_list[0], h->params.addr, he->h_length);
+      h->params.addr_len = he->h_length;
+      h->params.addr_type = he->h_addrtype;
+      err = ftp_conn_create (&h->params, &conn_hooks, &h->conn);
+    }
+
+  if (err)
+    {
+      error (0, err, "%s", he->h_name);
+      if (h->name)
+	free (h->name);
+      if (h->params.addr)
+	free (h->params.addr);
+      free (h);
+      return 0;
+    }
+
+  h->next = *hosts;
+  *hosts = h;
+
+  return h;
+}
+
+static int
+ftpdir (char *dir, struct ftpdir_host *host)
+{
+  int data;
+  int rd;
+  error_t err;
+  static void *copy_buf = 0;
+  struct ftp_conn *conn = host->conn;
+  char *host_name = host->name;
+
+  err = ftp_conn_start_dir (conn, dir, &data);
+  if (err)
+    {
+      error (0, err, "%s:%s", host_name, dir);
+      return err;
+    }
+
+  if (! copy_buf)
+    {
+      copy_buf = valloc (COPY_SZ);
+      if (! copy_buf)
+	error (12, ENOMEM, "Cannot allocate copy buffer");
+    }
+
+  while ((rd = read (data, copy_buf, COPY_SZ)) > 0)
+    do
+      {
+	int wr = write (1, copy_buf, rd);
+	if (wr < 0)
+	  error (13, errno, "stdout");
+	rd -= wr;
+      }
+    while (rd > 0);
+  if (rd != 0)
+    {
+      error (0, errno, "%s:%s", host_name, dir);
+      return errno;
+    }
+
+  close (data);
+
+  err = ftp_conn_finish_transfer (conn);
+  if (err)
+    {
+      error (0, err, "%s:%s", host_name, dir);
+      return err;
+    }
+
+  return 0;
+}
+
+static error_t
+pdirent (const char *name, const struct stat *st, const char *symlink_target,
+	 void *hook)
+{
+  char timebuf[20];
+  strftime (timebuf, sizeof timebuf, "%Y-%m-%d %H:%M", localtime (&st->st_mtime));
+  printf ("%6o %2d %5d %5d %6ld  %s  %s\n",
+	  st->st_mode, st->st_nlink, st->st_uid, st->st_gid, st->st_size,
+	  timebuf, name);
+  if (symlink_target)
+    printf ("                                             -> %s\n",
+	    symlink_target);
+  return 0;
+}
+
+static error_t
+ftpdir2 (char *dir, struct ftpdir_host *host)
+{
+  error_t err = ftp_conn_get_stats (host->conn, dir, 1, pdirent, 0);
+  if (err == ENOTDIR)
+    err = ftp_conn_get_stats (host->conn, dir, 0, pdirent, 0);
+  if (err)
+    error (0, err, "%s:%s", host->name, dir);
+  return err;
+}
+
+int 
+main (int argc, char **argv)
+{
+  struct ftpdir_host *hosts = 0;
+  char *default_host = 0;
+  int interpret = 0;
+  struct ftp_conn_params params = { 0 };
+  char *sep = "\n";
+  char *pfx = "%s:%s:\n";
+  int use_pfx = 0;
+  int errs = 0;
+
+  /* Parse our options...  */
+  error_t parse_opt (int key, char *arg, struct argp_state *state)
+    {
+      switch (key)
+	{
+	case ARGP_KEY_ARG:
+	  {
+	    char *host, *dir;
+
+	    if (state->next < state->argc)
+	      use_pfx = 1;	/* Multiple arguments. */
+
+	    dir = index (arg, ':');
+	    if (dir)
+	      {
+		host = arg;
+		*dir++ = '\0';
+		if (*host == '\0')
+		  /* An argument of `:' */
+		  host = default_host;
+	      }
+	    else
+	      {
+		host = default_host;
+		dir = arg;
+	      }
+
+	    if (host)
+	      {
+		struct ftpdir_host *h = get_host_conn (host, &params, &hosts);
+		if (h)
+		  {
+		    if (state->arg_num > 0)
+		      fputs (sep, stdout);
+		    if (use_pfx)
+		      printf (pfx, h->name, dir);
+		    if (interpret)
+		      errs |= ftpdir2 (dir, h);
+		    else
+		      errs |= ftpdir (dir, h);
+		  }
+		errs = 1;
+	      }
+	    else
+	      {
+		error (0, 0, "%s: No default host", arg);
+		errs = 1;
+	      }
+	  }
+	  break;
+
+	case ARGP_KEY_NO_ARGS:
+	  if (default_host)
+	    {
+	      struct ftpdir_host *h =
+		get_host_conn (default_host, &params, &hosts);
+	      if (h)
+		errs |= ftpdir (0, h);
+	    }
+	  else
+	    {
+	      error (0, 0, "No default host");
+	      errs = 1;
+	    }
+	  break;
+
+	  return EINVAL;
+
+	case 'u': params.user = arg; break;
+	case 'p': params.pass = arg; break;
+	case 'a': params.acct = arg; break;
+	case 'h': default_host = arg; break;
+	case 'D': conn_hooks.cntl_debug = cntl_debug; break;
+	case 'P': pfx = arg; use_pfx = 1; break;
+	case 'S': sep = arg; break;
+	case 'i': interpret = 1; break;
+
+	default:
+	  return ARGP_ERR_UNKNOWN;
+	}
+      return 0;
+    }
+  struct argp argp = {options, parse_opt, args_doc, doc};
+
+  argp_parse (&argp, argc, argv, 0, 0, 0);
+
+  if (errs)
+    exit (10);
+  else
+    exit (0);
+}