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Diffstat (limited to 'src/fs/gnunet-helper-fs-publish.c')
-rw-r--r--src/fs/gnunet-helper-fs-publish.c64
1 files changed, 58 insertions, 6 deletions
diff --git a/src/fs/gnunet-helper-fs-publish.c b/src/fs/gnunet-helper-fs-publish.c
index 86b0249..7ea9499 100644
--- a/src/fs/gnunet-helper-fs-publish.c
+++ b/src/fs/gnunet-helper-fs-publish.c
@@ -364,8 +364,7 @@ extract_files (struct ScanTreeNode *item)
/* this is the expensive operation, *afterwards* we'll check for aborts */
meta = GNUNET_CONTAINER_meta_data_create ();
- if (NULL != plugins)
- EXTRACTOR_extract (plugins, item->filename, NULL, 0, &add_to_md, meta);
+ EXTRACTOR_extract (plugins, item->filename, NULL, 0, &add_to_md, meta);
slen = strlen (item->filename) + 1;
size = GNUNET_CONTAINER_meta_data_get_serialized_size (meta);
if (-1 == size)
@@ -378,6 +377,11 @@ extract_files (struct ScanTreeNode *item)
return GNUNET_SYSERR;
return GNUNET_OK;
}
+ else if (size > (UINT16_MAX - sizeof (struct GNUNET_MessageHeader) - slen))
+ {
+ /* We can't transfer more than 64k bytes in one message. */
+ size = UINT16_MAX - sizeof (struct GNUNET_MessageHeader) - slen;
+ }
{
char buf[size + slen];
char *dst = &buf[slen];
@@ -402,6 +406,31 @@ extract_files (struct ScanTreeNode *item)
}
+#ifndef WINDOWS
+/**
+ * Install a signal handler to ignore SIGPIPE.
+ */
+static void
+ignore_sigpipe ()
+{
+ struct sigaction oldsig;
+ struct sigaction sig;
+
+ memset (&sig, 0, sizeof (struct sigaction));
+ sig.sa_handler = SIG_IGN;
+ sigemptyset (&sig.sa_mask);
+#ifdef SA_INTERRUPT
+ sig.sa_flags = SA_INTERRUPT; /* SunOS */
+#else
+ sig.sa_flags = SA_RESTART;
+#endif
+ if (0 != sigaction (SIGPIPE, &sig, &oldsig))
+ fprintf (stderr,
+ "Failed to install SIGPIPE handler: %s\n", strerror (errno));
+}
+#endif
+
+
/**
* Main function of the helper process to extract meta data.
*
@@ -413,7 +442,7 @@ extract_files (struct ScanTreeNode *item)
* @return 0 on success
*/
int main(int argc,
- char **argv)
+ char *const *argv)
{
const char *filename_expanded;
const char *ex;
@@ -424,6 +453,11 @@ int main(int argc,
* binary mode.
*/
_setmode (1, _O_BINARY);
+ /* Get utf-8-encoded arguments */
+ if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
+ return 5;
+#else
+ ignore_sigpipe ();
#endif
/* parse command line */
@@ -432,6 +466,9 @@ int main(int argc,
FPRINTF (stderr,
"%s",
"gnunet-helper-fs-publish needs exactly one or two arguments\n");
+#if WINDOWS
+ GNUNET_free ((void*) argv);
+#endif
return 1;
}
filename_expanded = argv[1];
@@ -450,13 +487,23 @@ int main(int argc,
&root))
{
(void) write_message (GNUNET_MESSAGE_TYPE_FS_PUBLISH_HELPER_ERROR, NULL, 0);
+ EXTRACTOR_plugin_remove_all (plugins);
+#if WINDOWS
+ GNUNET_free ((void*) argv);
+#endif
return 2;
}
/* signal that we're done counting files, so that a percentage of
progress can now be calculated */
if (GNUNET_OK !=
write_message (GNUNET_MESSAGE_TYPE_FS_PUBLISH_HELPER_COUNTING_DONE, NULL, 0))
+ {
+ EXTRACTOR_plugin_remove_all (plugins);
+#if WINDOWS
+ GNUNET_free ((void*) argv);
+#endif
return 3;
+ }
if (NULL != root)
{
if (GNUNET_OK !=
@@ -464,15 +511,20 @@ int main(int argc,
{
(void) write_message (GNUNET_MESSAGE_TYPE_FS_PUBLISH_HELPER_ERROR, NULL, 0);
free_tree (root);
+ EXTRACTOR_plugin_remove_all (plugins);
+#if WINDOWS
+ GNUNET_free ((void*) argv);
+#endif
return 4;
}
free_tree (root);
}
/* enable "clean" shutdown by telling parent that we are done */
(void) write_message (GNUNET_MESSAGE_TYPE_FS_PUBLISH_HELPER_FINISHED, NULL, 0);
- if (NULL != plugins)
- EXTRACTOR_plugin_remove_all (plugins);
-
+ EXTRACTOR_plugin_remove_all (plugins);
+#if WINDOWS
+ GNUNET_free ((void*) argv);
+#endif
return 0;
}