gnu: curlftpfs: Add patches to fix bugs.

* gnu/packages/file-systems.scm (curlftpfs)[source]: Add patches.
* gnu/packages/patches/curlftpfs-fix-error-closing-file.patch,
gnu/packages/patches/curlftpfs-fix-file-names.patch,
gnu/packages/patches/curlftpfs-fix-memory-leak.patch,
gnu/packages/patches/curlftpfs-fix-no_verify_hostname.patch: New files.
* gnu/local.mk (dist_patch_DATA): Add them.

gnu/local.mk

@@ -1038,6 +1038,10 @@ dist_patch_DATA =						\
   %D%/packages/patches/clucene-contribs-lib.patch               \
   %D%/packages/patches/cube-nocheck.patch			\
   %D%/packages/patches/curl-use-ssl-cert-env.patch		\
+  %D%/packages/patches/curlftpfs-fix-error-closing-file.patch	\
+  %D%/packages/patches/curlftpfs-fix-file-names.patch		\
+  %D%/packages/patches/curlftpfs-fix-memory-leak.patch		\
+  %D%/packages/patches/curlftpfs-fix-no_verify_hostname.patch	\
   %D%/packages/patches/cursynth-wave-rand.patch			\
   %D%/packages/patches/cvs-CVE-2017-12836.patch		\
   %D%/packages/patches/d-feet-drop-unused-meson-argument.patch	\

gnu/packages/file-systems.scm

@@ -1012,8 +1012,12 @@ (define-public curlftpfs
        (uri (string-append "mirror://sourceforge/curlftpfs/curlftpfs/" version
                            "/curlftpfs-" version ".tar.gz"))
        (sha256
-        (base32
+        (base32 "0n397hmv21jsr1j7zx3m21i7ryscdhkdsyqpvvns12q7qwwlgd2f"))
-         "0n397hmv21jsr1j7zx3m21i7ryscdhkdsyqpvvns12q7qwwlgd2f"))))
+       (patches
+        (search-patches "curlftpfs-fix-error-closing-file.patch"
+                        "curlftpfs-fix-file-names.patch"
+                        "curlftpfs-fix-memory-leak.patch"
+                        "curlftpfs-fix-no_verify_hostname.patch"))))
     (build-system gnu-build-system)
     (arguments
      `(#:phases

gnu/packages/patches/curlftpfs-fix-error-closing-file.patch

@@ -0,0 +1,23 @@
+From d27d1cd3a79959ff1eb8439b06e108149f21141f Mon Sep 17 00:00:00 2001
+From: Joseph Lansdowne <j49137@gmail.com>
+Date: Sun, 31 Mar 2019 19:26:10 +0100
+Subject: [PATCH] fix error on closing written file
+
+---
+ ChangeLog | 1 +
+ ftpfs.c   | 2 +-
+ 2 files changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/ftpfs.c b/ftpfs.c
+index 0346354..34f8c38 100644
+--- a/ftpfs.c
++++ b/ftpfs.c
+@@ -503,7 +503,7 @@ static void *ftpfs_write_thread(void *data) {
+   
+   curl_easy_setopt_or_die(fh->write_conn, CURLOPT_URL, fh->full_path);
+   curl_easy_setopt_or_die(fh->write_conn, CURLOPT_UPLOAD, 1);
+-  curl_easy_setopt_or_die(fh->write_conn, CURLOPT_INFILESIZE, -1);
++  curl_easy_setopt_or_die(fh->write_conn, CURLOPT_INFILESIZE, -1L);
+   curl_easy_setopt_or_die(fh->write_conn, CURLOPT_READFUNCTION, write_data_bg);
+   curl_easy_setopt_or_die(fh->write_conn, CURLOPT_READDATA, fh);
+   curl_easy_setopt_or_die(fh->write_conn, CURLOPT_LOW_SPEED_LIMIT, 1);

gnu/packages/patches/curlftpfs-fix-file-names.patch

@@ -0,0 +1,76 @@
+From bc3fb45db30741a60d4e8904cbd4d6118fb85741 Mon Sep 17 00:00:00 2001
+From: Joseph Lansdowne <j49137@gmail.com>
+Date: Sun, 31 Mar 2019 19:25:26 +0100
+Subject: [PATCH] fix filenames with url-reserved characters
+
+---
+ ChangeLog    |  2 +-
+ path_utils.c | 28 +++++++++++++++++-----------
+ 2 files changed, 18 insertions(+), 12 deletions(-)
+
+diff --git a/path_utils.c b/path_utils.c
+index db3d7e4..4f747bb 100644
+--- a/path_utils.c
++++ b/path_utils.c
+@@ -39,9 +39,11 @@ char* get_full_path(const char* path) {
+     path = converted_path;
+   }
+ 
+-  ret = g_strdup_printf("%s%s", ftpfs.host, path);
++  const char *const escaped_path = g_uri_escape_string(path, "/", FALSE);
++  ret = g_strdup_printf("%s%s", ftpfs.host, escaped_path);
+ 
+   free(converted_path);
++  free((char *) escaped_path);
+ 
+   return ret;
+ }
+@@ -58,9 +60,12 @@ char* get_fulldir_path(const char* path) {
+     path = converted_path;
+   }
+ 
+-  ret = g_strdup_printf("%s%s%s", ftpfs.host, path, strlen(path) ? "/" : "");
++  const char *const escaped_path = g_uri_escape_string(path, "/", FALSE);
++  ret = g_strdup_printf(
++    "%s%s%s", ftpfs.host, escaped_path, strlen(escaped_path) ? "/" : "");
+ 
+   free(converted_path);
++  free((char *) escaped_path);
+ 
+   return ret;
+ }
+@@ -71,24 +76,25 @@ char* get_dir_path(const char* path) {
+   const char *lastdir;
+ 
+   ++path;
+-  
+-  lastdir = strrchr(path, '/');
+-  if (lastdir == NULL) lastdir = path;
+ 
+-  if (ftpfs.codepage && (lastdir - path > 0)) {
+-    converted_path = g_strndup(path, lastdir - path);
++  if (ftpfs.codepage) {
++    converted_path = g_strdup(path);
+     convert_charsets(ftpfs.iocharset, ftpfs.codepage, &converted_path);
+     path = converted_path;
+-    lastdir = path + strlen(path);
+   }
+ 
++  const char *const escaped_path = g_uri_escape_string(path, "/", FALSE);
++  lastdir = strrchr(escaped_path, '/');
++  if (lastdir == NULL) lastdir = escaped_path;
++
+   ret = g_strdup_printf("%s%.*s%s",
+                         ftpfs.host,
+-                        lastdir - path,
+-                        path,
+-                        lastdir - path ? "/" : "");
++                        lastdir - escaped_path,
++                        escaped_path,
++                        lastdir - escaped_path ? "/" : "");
+ 
+   free(converted_path);
++  free((char *) escaped_path);
+ 
+   return ret;
+ }

gnu/packages/patches/curlftpfs-fix-memory-leak.patch

@@ -0,0 +1,23 @@
+From 2d01202eee44d8bad5bb982e72829b4a98d58bcd Mon Sep 17 00:00:00 2001
+From: Joseph Lansdowne <j49137@gmail.com>
+Date: Thu, 4 Apr 2019 20:37:06 +0100
+Subject: [PATCH] fix memory leak
+
+---
+ ChangeLog | 1 +
+ ftpfs.c   | 2 ++
+ 2 files changed, 3 insertions(+)
+
+diff --git a/ftpfs.c b/ftpfs.c
+index 34f8c38..020e559 100644
+--- a/ftpfs.c
++++ b/ftpfs.c
+@@ -607,6 +607,8 @@ static int finish_write_thread(struct ftpfs_file *fh)
+ 
+ 
+ static void free_ftpfs_file(struct ftpfs_file *fh) {
++  buf_free(&fh->buf);
++  buf_free(&fh->stream_buf);
+   if (fh->write_conn)
+     curl_easy_cleanup(fh->write_conn);
+   g_free(fh->full_path);

gnu/packages/patches/curlftpfs-fix-no_verify_hostname.patch

@@ -0,0 +1,27 @@
+From b2ae7a152921bf36a39f01de43769ee90cbbd253 Mon Sep 17 00:00:00 2001
+From: Joseph Lansdowne <j49137@gmail.com>
+Date: Tue, 9 Apr 2019 21:08:32 +0100
+Subject: [PATCH] fix option `no_verify_hostname`
+
+Broke with a curl upgrade at some point.  1 is no longer a valid option
+- not sure exactly what it used to do.
+---
+ ChangeLog | 3 +++
+ ftpfs.c   | 4 +---
+ 2 files changed, 4 insertions(+), 3 deletions(-)
+
+diff --git a/ftpfs.c b/ftpfs.c
+index 020e559..207d5fd 100644
+--- a/ftpfs.c
++++ b/ftpfs.c
+@@ -1627,9 +1627,7 @@ static void set_common_curl_stuff(CURL* easy) {
+   }
+ 
+   if (ftpfs.no_verify_hostname) {
+-    /* The default is 2 which verifies even the host string. This sets to 1
+-     * which means verify the host but not the string. */
+-    curl_easy_setopt_or_die(easy, CURLOPT_SSL_VERIFYHOST, 1);
++    curl_easy_setopt_or_die(easy, CURLOPT_SSL_VERIFYHOST, 0);
+   }
+ 
+   curl_easy_setopt_or_die(easy, CURLOPT_INTERFACE, ftpfs.interface);