1 files changed, 255 insertions, 0 deletions
diff --git a/usr.sbin/bsdinstall/distfetch/distfetch.c b/usr.sbin/bsdinstall/distfetch/distfetch.c
new file mode 100644
index 000000000000..ddb8a8361d6b
--- /dev/null
+++ b/usr.sbin/bsdinstall/distfetch/distfetch.c
@@ -0,0 +1,255 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2011 Nathan Whitehorn
+ * Copyright (c) 2014 Devin Teske <dteske@FreeBSD.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/param.h>
+
+#include <bsddialog.h>
+#include <ctype.h>
+#include <err.h>
+#include <errno.h>
+#include <stdio.h>
+#include <fetch.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "opt_osname.h"
+
+static int fetch_files(int nfiles, char **urls);
+
+int
+main(void)
+{
+	char *diststring;
+	char **urls;
+	int i;
+	int ndists = 0;
+	int nfetched;
+	char error[PATH_MAX + 512];
+	struct bsddialog_conf conf;
+
+	if (getenv("DISTRIBUTIONS") == NULL)
+		errx(EXIT_FAILURE, "DISTRIBUTIONS variable is not set");
+
+	diststring = strdup(getenv("DISTRIBUTIONS"));
+	for (i = 0; diststring[i] != 0; i++)
+		if (isspace(diststring[i]) && !isspace(diststring[i+1]))
+			ndists++;
+	ndists++; /* Last one */
+
+	urls = calloc(ndists, sizeof(const char *));
+	if (urls == NULL) {
+		free(diststring);
+		errx(EXIT_FAILURE, "Error: distfetch URLs out of memory!");
+	}
+
+	if (bsddialog_init() == BSDDIALOG_ERROR) {
+		free(diststring);
+		errx(EXIT_FAILURE, "Error libbsddialog: %s\n",
+		    bsddialog_geterror());
+	}
+	bsddialog_initconf(&conf);
+	bsddialog_backtitle(&conf, OSNAME " Installer");
+
+	for (i = 0; i < ndists; i++) {
+		urls[i] = malloc(PATH_MAX);
+		snprintf(urls[i], PATH_MAX, "%s/%s",
+		    getenv("BSDINSTALL_DISTSITE"), strsep(&diststring, " \t"));
+	}
+
+	if (chdir(getenv("BSDINSTALL_DISTDIR")) != 0) {
+		snprintf(error, sizeof(error),
+		    "Could not change to directory %s: %s\n",
+		    getenv("BSDINSTALL_DISTDIR"), strerror(errno));
+		conf.title = "Error";
+		bsddialog_msgbox(&conf, error, 0, 0);
+		bsddialog_end();
+		return (EXIT_FAILURE);
+	}
+
+	nfetched = fetch_files(ndists, urls);
+
+	bsddialog_end();
+
+	free(diststring);
+	for (i = 0; i < ndists; i++) 
+		free(urls[i]);
+	free(urls);
+
+	return ((nfetched == ndists) ? EXIT_SUCCESS : EXIT_FAILURE);
+}
+
+static int
+fetch_files(int nfiles, char **urls)
+{
+	FILE *fetch_out;
+	FILE *file_out;
+	const char **minilabel;
+	int *miniperc;
+	int perc;
+	int i;
+	int last_progress;
+	int nsuccess = 0; /* Number of files successfully downloaded */
+	int progress = 0;
+	size_t chunk;
+	off_t current_bytes;
+	off_t fsize;
+	off_t total_bytes;
+	float file_perc;
+	float mainperc_file;
+	struct url_stat ustat;
+	char errormsg[PATH_MAX + 512];
+	uint8_t block[4096];
+	struct bsddialog_conf errconf;
+	struct bsddialog_conf mgconf;
+
+	/* Make the transfer list for mixedgauge */
+	minilabel = calloc(nfiles, sizeof(char *));
+	miniperc = calloc(nfiles, sizeof(int));
+	if (minilabel == NULL || miniperc == NULL)
+		errx(EXIT_FAILURE, "Error: distfetch minibars out of memory!");
+
+	for (i = 0; i < nfiles; i++) {
+		minilabel[i] = strrchr(urls[i], '/');
+		if (minilabel[i] != NULL)
+			minilabel[i]++;
+		else
+			minilabel[i] = urls[i];
+		miniperc[i] = BSDDIALOG_MG_PENDING;
+	}
+
+	bsddialog_initconf(&errconf);
+	bsddialog_infobox(&errconf, "Connecting to server.\nPlease wait...",
+	    0, 0);
+
+	/* Try to stat all the files */
+	total_bytes = 0;
+	for (i = 0; i < nfiles; i++) {
+		if (fetchStatURL(urls[i], &ustat, "") == 0 && ustat.size > 0) {
+			total_bytes += ustat.size;
+		} else {
+			total_bytes = 0;
+			break;
+		}
+	}
+
+	errconf.title = "Fetch Error";
+	errconf.clear = true;
+	bsddialog_initconf(&mgconf);
+	mgconf.title = "Fetching Distribution";
+	mgconf.auto_minwidth = 40;
+
+	mainperc_file = 100.0 / nfiles;
+	current_bytes = 0;
+	for (i = 0; i < nfiles; i++) {
+		fetchLastErrCode = 0;
+		fetch_out = fetchXGetURL(urls[i], &ustat, "");
+		if (fetch_out == NULL) {
+			snprintf(errormsg, sizeof(errormsg),
+			    "Error (URL) while fetching %s: %s\n", urls[i],
+			    fetchLastErrString);
+			miniperc[2] = BSDDIALOG_MG_FAILED;
+			bsddialog_msgbox(&errconf, errormsg, 0, 0);
+			total_bytes = 0;
+			continue;
+		}
+
+		miniperc[i] = BSDDIALOG_MG_INPROGRESS;
+		fsize = 0;
+		file_out = fopen(minilabel[i], "w+");
+		if (file_out == NULL) {
+			snprintf(errormsg, sizeof(errormsg),
+			    "Error (fopen) while fetching %s: %s\n",
+			    urls[i], strerror(errno));
+			miniperc[i] = BSDDIALOG_MG_FAILED;
+			bsddialog_msgbox(&errconf, errormsg, 0, 0);
+			fclose(fetch_out);
+			total_bytes = 0;
+			continue;
+		}
+
+		while ((chunk = fread(block, 1, sizeof(block), fetch_out))
+		    > 0) {
+			if (fwrite(block, 1, chunk, file_out) < chunk)
+				break;
+
+			current_bytes += chunk;
+			fsize += chunk;
+
+			last_progress = progress;
+			if (total_bytes > 0) {
+				progress = (current_bytes * 100) / total_bytes;
+			} else {
+				file_perc = ustat.size > 0 ?
+				    (fsize * 100) / ustat.size : 0;
+				progress = (i * mainperc_file) +
+				    ((file_perc * mainperc_file) / 100);
+			}
+
+			if (ustat.size > 0) {
+				perc = (fsize * 100) / ustat.size;
+				miniperc[i] = perc;
+			}
+
+			if (progress > last_progress) {
+				bsddialog_mixedgauge(&mgconf,
+				    "\nFetching distribution files...\n",
+				    0, 0, progress, nfiles, minilabel,
+				    miniperc);
+			}
+		}
+
+		if (ustat.size > 0 && fsize < ustat.size) {
+			if (fetchLastErrCode == 0)
+				snprintf(errormsg, sizeof(errormsg),
+				    "Error (undone) while fetching %s: %s\n",
+				    urls[i], strerror(errno));
+			else
+				snprintf(errormsg, sizeof(errormsg),
+				    "Error (libfetch) while fetching %s: %s\n",
+				    urls[i], fetchLastErrString);
+			miniperc[i] = BSDDIALOG_MG_FAILED;
+			bsddialog_msgbox(&errconf, errormsg, 0, 0);
+			total_bytes = 0;
+		} else {
+			miniperc[i] = BSDDIALOG_MG_DONE;
+			nsuccess++;
+		}
+
+		fclose(fetch_out);
+		fclose(file_out);
+	}
+
+	bsddialog_mixedgauge(&mgconf, "\nFetching distribution completed\n",
+	    0, 0, progress, nfiles, minilabel, miniperc);
+
+	free(minilabel);
+	free(miniperc);
+	return (nsuccess);
+}