2017-08-24 18:10:08 +00:00
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From 8fdff58908ee2f23990db79cbed8bc36a1fbfd9c Mon Sep 17 00:00:00 2001
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2017-06-16 19:31:32 +00:00
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From: Peter Jones <pjones@redhat.com>
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Date: Tue, 14 Jun 2016 16:18:44 -0400
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2017-08-24 18:10:08 +00:00
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Subject: [PATCH 145/194] Add a url parser.
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2017-06-16 19:31:32 +00:00
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This patch adds a url parser that can parse http, https, tftp, and tftps
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urls, and is easily extensible to handle more types.
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It's a little ugly in terms of the arguments it takes.
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Signed-off-by: Peter Jones <pjones@redhat.com>
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---
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grub-core/Makefile.core.def | 1 +
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grub-core/kern/misc.c | 13 +
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grub-core/net/url.c | 861 ++++++++++++++++++++++++++++++++++++++++++++
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include/grub/misc.h | 45 +++
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include/grub/net/url.h | 28 ++
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5 files changed, 948 insertions(+)
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create mode 100644 grub-core/net/url.c
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create mode 100644 include/grub/net/url.h
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diff --git a/grub-core/Makefile.core.def b/grub-core/Makefile.core.def
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2017-08-16 15:14:30 +00:00
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index 5ae70204c..4857a1e5f 100644
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2017-06-16 19:31:32 +00:00
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--- a/grub-core/Makefile.core.def
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+++ b/grub-core/Makefile.core.def
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@@ -2199,6 +2199,7 @@ module = {
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common = net/ethernet.c;
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common = net/arp.c;
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common = net/netbuff.c;
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+ common = net/url.c;
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};
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module = {
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diff --git a/grub-core/kern/misc.c b/grub-core/kern/misc.c
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index 8344526be..f1fab7000 100644
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--- a/grub-core/kern/misc.c
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+++ b/grub-core/kern/misc.c
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@@ -296,6 +296,19 @@ grub_strrchr (const char *s, int c)
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return p;
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}
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+char *
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+grub_strchrnul (const char *s, int c)
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+{
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+ do
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+ {
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+ if (*s == c)
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+ break;
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+ }
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+ while (*s++);
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+
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+ return (char *) s;
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+}
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+
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int
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grub_strword (const char *haystack, const char *needle)
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{
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diff --git a/grub-core/net/url.c b/grub-core/net/url.c
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new file mode 100644
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index 000000000..146858284
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--- /dev/null
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+++ b/grub-core/net/url.c
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@@ -0,0 +1,861 @@
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+/*
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+ * GRUB -- GRand Unified Bootloader
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+ * Copyright (C) 2016 Free Software Foundation, Inc.
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+ *
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+ * GRUB is free software: you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License as published by
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+ * the Free Software Foundation, either version 3 of the License, or
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+ * (at your option) any later version.
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+ *
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+ * GRUB is distributed in the hope that it will be useful,
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+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+ * GNU General Public License for more details.
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+ *
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+ * You should have received a copy of the GNU General Public License
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+ * along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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+ */
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+
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+#ifdef URL_TEST
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+
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+#define _GNU_SOURCE 1
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+
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+#include <errno.h>
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+#include <limits.h>
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+#include <stdio.h>
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+#include <stdlib.h>
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+#include <string.h>
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+#include <sys/types.h>
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+#include <unistd.h>
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+
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+#define N_(x) x
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+
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+#define grub_malloc(x) malloc(x)
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+#define grub_free(x) ({if (x) free(x);})
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+#define grub_error(a, fmt, args...) printf(fmt "\n", ## args)
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+#define grub_dprintf(a, fmt, args...) printf(a ": " fmt, ## args)
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+#define grub_strlen(x) strlen(x)
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+#define grub_strdup(x) strdup(x)
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+#define grub_strstr(x,y) strstr(x,y)
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+#define grub_memcpy(x,y,z) memcpy(x,y,z)
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+#define grub_strcmp(x,y) strcmp(x,y)
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+#define grub_strncmp(x,y,z) strncmp(x,y,z)
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+#define grub_strcasecmp(x,y) strcasecmp(x,y)
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+#define grub_strchrnul(x,y) strchrnul(x,y)
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+#define grub_strchr(x,y) strchr(x,y)
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+#define grub_strndup(x,y) strndup(x,y)
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+#define grub_strtoul(x,y,z) strtoul(x,y,z)
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+#define grub_memmove(x,y,z) memmove(x,y,z)
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+#define grub_size_t size_t
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+#define grub_errno errno
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+
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+#else
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+#include <grub/types.h>
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+#include <grub/mm.h>
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+#include <grub/misc.h>
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+#include <grub/net/url.h>
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+#endif
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+
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+static char *
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+translate_slashes(char *str)
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+{
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+ int i, j;
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+ if (str == NULL)
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+ return str;
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+
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+ for (i = 0, j = 0; str[i] != '\0'; i++, j++)
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+ {
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+ if (str[i] == '\\')
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+ {
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+ str[j] = '/';
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+ if (str[i+1] == '\\')
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+ i++;
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+ }
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+ }
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+
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+ return str;
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+}
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+
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+static inline int
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+hex2int (char c)
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+{
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+ if (c >= '0' && c <= '9')
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+ return c - '0';
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+ c |= 0x20;
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+ if (c >= 'a' && c <= 'f')
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+ return c - 'a' + 10;
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+ return -1;
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+}
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+
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+static int
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+url_unescape (char *buf, grub_size_t len)
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+{
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+ int c, rc;
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+ unsigned int i;
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+
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+
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+ if (len < 3)
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+ {
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+ for (i = 0; i < len; i++)
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+ if (buf[i] == '%')
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+ return -1;
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+ return 0;
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+ }
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+
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+ for (i = 0; len > 2 && i < len - 2; i++)
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+ {
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+ if (buf[i] == '%')
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+ {
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+ unsigned int j;
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+ for (j = i+1; j < i+3; j++)
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+ {
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+ if (!(buf[j] >= '0' && buf[j] <= '9') &&
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+ !(buf[j] >= 'a' && buf[j] <= 'f') &&
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+ !(buf[j] >= 'A' && buf[j] <= 'F'))
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+ return -1;
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+ }
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+ i += 2;
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+ }
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+ }
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+ if (i == len - 2)
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+ {
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+ if (buf[i+1] == '%' || buf[i+2] == '%')
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+ return -1;
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+ }
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+ for (i = 0; i < len - 2; i++)
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+ {
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+ if (buf[i] == '%')
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+ {
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+ rc = hex2int (buf[i+1]);
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+ if (rc < 0)
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+ return -1;
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+ c = (rc & 0xf) << 4;
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+ rc = hex2int (buf[i+2]);
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+ if (rc < 0)
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+ return -1;
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+ c |= (rc & 0xf);
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+
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+ buf[i] = c;
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+ grub_memmove (buf+i+1, buf+i+3, len-(i+2));
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+ len -= 2;
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+ }
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+ }
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+ return 0;
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+}
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+
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+static int
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+extract_http_url_info (char *url, int ssl,
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+ char **userinfo, char **host, int *port,
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+ char **file)
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+{
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+ char *colon, *slash, *query, *at = NULL, *separator, *auth_end;
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+
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+ char *userinfo_off = NULL;
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+ char *userinfo_end;
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+ char *host_off = NULL;
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+ char *host_end;
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+ char *port_off = NULL;
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+ char *port_end;
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+ char *file_off = NULL;
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+
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+ grub_size_t l;
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+ int c;
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+
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+ if (!url || !userinfo || !host || !port || !file)
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+ return grub_error (GRUB_ERR_BAD_ARGUMENT, "Invalid argument");
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+
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+ *userinfo = *host = *file = NULL;
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+ *port = -1;
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+
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+ userinfo_off = url;
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+
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+ slash = grub_strchrnul (userinfo_off, '/');
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+ query = grub_strchrnul (userinfo_off, '?');
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+ auth_end = slash < query ? slash : query;
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+ /* auth_end here is one /past/ the last character in the auth section, i.e.
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+ * it's the : or / or NUL */
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+
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+ separator = grub_strchrnul (userinfo_off, '@');
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+ if (separator > auth_end)
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+ {
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+ host_off = userinfo_off;
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+ userinfo_off = NULL;
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+ userinfo_end = NULL;
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+ }
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+ else
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+ {
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+ at = separator;
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+ *separator = '\0';
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+ userinfo_end = separator;
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+ host_off = separator + 1;
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+ }
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+
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+ if (*host_off == '[')
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+ {
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+ separator = grub_strchrnul (host_off, ']');
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+ if (separator >= auth_end)
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+ goto fail;
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+
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+ separator += 1;
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+ host_end = separator;
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+ }
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+ else
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+ {
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+ host_end = separator = colon = grub_strchrnul (host_off, ':');
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+
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+ if (colon > auth_end)
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+ {
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+ separator = NULL;
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+ host_end = auth_end;
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+ }
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+ }
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+
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+ if (separator && separator < auth_end)
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+ {
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+ if (*separator == ':')
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+ {
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+ port_off = separator + 1;
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+ port_end = auth_end;
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+
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+ if (auth_end - port_end > 0)
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+ goto fail;
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+ if (port_end - port_off < 1)
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+ goto fail;
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+ }
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+ else
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+ goto fail;
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+ }
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+
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+ file_off = auth_end;
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+ if (port_off)
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+ {
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+ unsigned long portul;
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+
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+ separator = NULL;
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+ c = *port_end;
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+ *port_end = '\0';
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+
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+ portul = grub_strtoul (port_off, &separator, 10);
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+ *port_end = c;
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+#ifdef URL_TEST
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+ if (portul == ULONG_MAX && errno == ERANGE)
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+ goto fail;
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+#else
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+ if (grub_errno == GRUB_ERR_OUT_OF_RANGE)
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+ goto fail;
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+#endif
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+ if (portul & ~0xfffful)
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+ goto fail;
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+ if (separator != port_end)
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+ goto fail;
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+
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+ *port = portul & 0xfffful;
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+ }
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+ else if (ssl)
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+ *port = 443;
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+ else
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+ *port = 80;
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+
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+ if (userinfo_off && *userinfo_off)
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+ {
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+ l = userinfo_end - userinfo_off + 1;
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+
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+ *userinfo = grub_strndup (userinfo_off, l);
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+ if (!*userinfo)
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+ goto fail;
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+ (*userinfo)[l-1]= '\0';
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+ }
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+
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+ l = host_end - host_off;
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+
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+ if (host_end == NULL)
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+ goto fail;
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+ else
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+ c = *host_end;
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+
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+ *host_end = '\0';
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+ *host = grub_strndup (host_off, l);
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+ *host_end = c;
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+ if (!*host)
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+ goto fail;
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+ (*host)[l] = '\0';
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+
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+ *file = grub_strdup (file_off);
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+ if (!*file)
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+ goto fail;
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+
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+ if (at)
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+ *at = '@';
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+ return 0;
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+fail:
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+ if (at)
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+ *at = '@';
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+ grub_free (*userinfo);
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+ grub_free (*host);
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+ grub_free (*file);
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+
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+ return -1;
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+}
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+
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|
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+static int
|
|
|
|
+extract_tftp_url_info (char *url, int ssl, char **host, char **file, int *port)
|
|
|
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+{
|
|
|
|
+ char *slash, *semi;
|
|
|
|
+
|
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|
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+ char *host_off = url;
|
|
|
|
+ char *host_end;
|
|
|
|
+ char *file_off;
|
|
|
|
+
|
|
|
|
+ int c;
|
|
|
|
+
|
|
|
|
+ if (!url || !host || !file || !port)
|
|
|
|
+ return grub_error (GRUB_ERR_BAD_ARGUMENT, "Invalid argument");
|
|
|
|
+
|
|
|
|
+ if (ssl)
|
|
|
|
+ *port = 3713;
|
|
|
|
+ else
|
|
|
|
+ *port = 69;
|
|
|
|
+
|
|
|
|
+ slash = grub_strchr (url, '/');
|
|
|
|
+ if (!slash)
|
|
|
|
+ return -1;
|
|
|
|
+
|
|
|
|
+ host_end = file_off = slash;
|
|
|
|
+
|
|
|
|
+ semi = grub_strchrnul (slash, ';');
|
|
|
|
+ if (!grub_strncmp (semi, ";mode=", 6) && grub_strcmp (semi+6, "octet"))
|
|
|
|
+ {
|
|
|
|
+ grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET,
|
|
|
|
+ N_("TFTP mode `%s' is not implemented."), semi+6);
|
|
|
|
+ return -1;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ /*
|
|
|
|
+ * Maybe somebody added a new method, I dunno. Anyway, semi is a reserved
|
|
|
|
+ * character, so if it's there, it's the start of the mode block or it's
|
|
|
|
+ * invalid. So set it to \0 unconditionally, not just for ;mode=octet
|
|
|
|
+ */
|
|
|
|
+ *semi = '\0';
|
|
|
|
+
|
|
|
|
+ c = *host_end;
|
|
|
|
+ *host_end = '\0';
|
|
|
|
+ *host = grub_strdup (host_off);
|
|
|
|
+ *host_end = c;
|
|
|
|
+
|
|
|
|
+ *file = grub_strdup (file_off);
|
|
|
|
+
|
|
|
|
+ if (!*file || !*host)
|
|
|
|
+ {
|
|
|
|
+ grub_free (*file);
|
|
|
|
+ grub_free (*host);
|
|
|
|
+ return -1;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ return 0;
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+int
|
|
|
|
+extract_url_info (const char *urlbuf, grub_size_t buflen,
|
|
|
|
+ char **scheme, char **userinfo,
|
|
|
|
+ char **host, int *port, char **file)
|
|
|
|
+{
|
|
|
|
+ char *url;
|
|
|
|
+ char *colon;
|
|
|
|
+
|
|
|
|
+ char *scheme_off;
|
|
|
|
+ char *specific_off;
|
|
|
|
+
|
|
|
|
+ int rc;
|
|
|
|
+ int c;
|
|
|
|
+
|
|
|
|
+ int https;
|
|
|
|
+
|
|
|
|
+ if (!urlbuf || !buflen || !scheme || !userinfo || !host || !port || !file)
|
|
|
|
+ return grub_error (GRUB_ERR_BAD_ARGUMENT, "Invalid argument");
|
|
|
|
+
|
|
|
|
+ *scheme = *userinfo = *host = *file = NULL;
|
|
|
|
+ *port = -1;
|
|
|
|
+
|
|
|
|
+ /* make sure we have our own coherent grub_string. */
|
|
|
|
+ url = grub_malloc (buflen + 1);
|
|
|
|
+ if (!url)
|
|
|
|
+ return -1;
|
|
|
|
+
|
|
|
|
+ grub_memcpy (url, urlbuf, buflen);
|
|
|
|
+ url[buflen] = '\0';
|
|
|
|
+
|
|
|
|
+ grub_dprintf ("net", "dhcpv6 boot-file-url: `%s'\n", url);
|
|
|
|
+
|
|
|
|
+ /* get rid of any backslashes */
|
|
|
|
+ url = translate_slashes (url);
|
|
|
|
+
|
|
|
|
+ /* find the constituent parts */
|
|
|
|
+ colon = grub_strstr (url, "://");
|
|
|
|
+ if (!colon)
|
|
|
|
+ goto fail;
|
|
|
|
+
|
|
|
|
+ scheme_off = url;
|
|
|
|
+ c = *colon;
|
|
|
|
+ *colon = '\0';
|
|
|
|
+ specific_off = colon + 3;
|
|
|
|
+
|
|
|
|
+ https = !grub_strcasecmp (scheme_off, "https");
|
|
|
|
+
|
|
|
|
+ rc = 0;
|
|
|
|
+ if (!grub_strcasecmp (scheme_off, "tftp"))
|
|
|
|
+ {
|
|
|
|
+ rc = extract_tftp_url_info (specific_off, 0, host, file, port);
|
|
|
|
+ }
|
|
|
|
+#ifdef URL_TEST
|
|
|
|
+ else if (!grub_strcasecmp (scheme_off, "http") || https)
|
|
|
|
+#else
|
|
|
|
+ else if (!grub_strcasecmp (scheme_off, "http"))
|
|
|
|
+#endif
|
|
|
|
+ {
|
|
|
|
+ rc = extract_http_url_info (specific_off,
|
|
|
|
+ https, userinfo, host, port, file);
|
|
|
|
+ }
|
|
|
|
+#ifdef URL_TEST
|
|
|
|
+ else if (!grub_strcasecmp (scheme_off, "iscsi"))
|
|
|
|
+ {
|
|
|
|
+ grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET,
|
|
|
|
+ N_("Unimplemented URL scheme `%s'"), scheme_off);
|
|
|
|
+ *colon = c;
|
|
|
|
+ goto fail;
|
|
|
|
+ }
|
|
|
|
+ else if (!grub_strcasecmp (scheme_off, "tftps"))
|
|
|
|
+ {
|
|
|
|
+ rc = extract_tftp_url_info (specific_off, 1, host, file, port);
|
|
|
|
+ }
|
|
|
|
+#endif
|
|
|
|
+ else
|
|
|
|
+ {
|
|
|
|
+ grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET,
|
|
|
|
+ N_("Unimplemented URL scheme `%s'"), scheme_off);
|
|
|
|
+ *colon = c;
|
|
|
|
+ goto fail;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ if (rc < 0)
|
|
|
|
+ {
|
|
|
|
+ *colon = c;
|
|
|
|
+ goto fail;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ *scheme = grub_strdup (scheme_off);
|
|
|
|
+ *colon = c;
|
|
|
|
+ if (!*scheme)
|
|
|
|
+ goto fail;
|
|
|
|
+
|
|
|
|
+ if (*userinfo)
|
|
|
|
+ {
|
|
|
|
+ rc = url_unescape (*userinfo, grub_strlen (*userinfo));
|
|
|
|
+ if (rc < 0)
|
|
|
|
+ goto fail;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ if (*host)
|
|
|
|
+ {
|
|
|
|
+ rc = url_unescape (*host, grub_strlen (*host));
|
|
|
|
+ if (rc < 0)
|
|
|
|
+ goto fail;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ if (*file)
|
|
|
|
+ {
|
|
|
|
+ rc = url_unescape (*file, grub_strlen (*file));
|
|
|
|
+ if (rc < 0)
|
|
|
|
+ goto fail;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ grub_free (url);
|
|
|
|
+ return 0;
|
|
|
|
+fail:
|
|
|
|
+ grub_free (*scheme);
|
|
|
|
+ grub_free (*userinfo);
|
|
|
|
+ grub_free (*host);
|
|
|
|
+ grub_free (*file);
|
|
|
|
+
|
|
|
|
+ if (!grub_errno)
|
|
|
|
+ grub_error (GRUB_ERR_NET_BAD_ADDRESS, N_("Invalid boot-file-url `%s'"),
|
|
|
|
+ url);
|
|
|
|
+ grub_free (url);
|
|
|
|
+ return -1;
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+#ifdef URL_TEST
|
|
|
|
+
|
|
|
|
+struct test {
|
|
|
|
+ char *url;
|
|
|
|
+ int rc;
|
|
|
|
+ char *scheme;
|
|
|
|
+ char *userinfo;
|
|
|
|
+ char *host;
|
|
|
|
+ int port;
|
|
|
|
+ char *file;
|
|
|
|
+} tests[] = {
|
|
|
|
+ {.url = "http://foo.example.com/",
|
|
|
|
+ .rc = 0,
|
|
|
|
+ .scheme = "http",
|
|
|
|
+ .host = "foo.example.com",
|
|
|
|
+ .port = 80,
|
|
|
|
+ .file = "/",
|
|
|
|
+ },
|
|
|
|
+ {.url = "http://foo.example.com/?foobar",
|
|
|
|
+ .rc = 0,
|
|
|
|
+ .scheme = "http",
|
|
|
|
+ .host = "foo.example.com",
|
|
|
|
+ .port = 80,
|
|
|
|
+ .file = "/?foobar",
|
|
|
|
+ },
|
|
|
|
+ {.url = "http://[foo.example.com/",
|
|
|
|
+ .rc = -1,
|
|
|
|
+ },
|
|
|
|
+ {.url = "http://[foo.example.com/?foobar",
|
|
|
|
+ .rc = -1,
|
|
|
|
+ },
|
|
|
|
+ {.url = "http://foo.example.com:/",
|
|
|
|
+ .rc = -1,
|
|
|
|
+ },
|
|
|
|
+ {.url = "http://foo.example.com:81/",
|
|
|
|
+ .rc = 0,
|
|
|
|
+ .scheme = "http",
|
|
|
|
+ .host = "foo.example.com",
|
|
|
|
+ .port = 81,
|
|
|
|
+ .file = "/",
|
|
|
|
+ },
|
|
|
|
+ {.url = "http://foo.example.com:81/?foobar",
|
|
|
|
+ .rc = 0,
|
|
|
|
+ .scheme = "http",
|
|
|
|
+ .host = "foo.example.com",
|
|
|
|
+ .port = 81,
|
|
|
|
+ .file = "/?foobar",
|
|
|
|
+ },
|
|
|
|
+ {.url = "http://[1234::1]/",
|
|
|
|
+ .rc = 0,
|
|
|
|
+ .scheme = "http",
|
|
|
|
+ .host = "[1234::1]",
|
|
|
|
+ .port = 80,
|
|
|
|
+ .file = "/",
|
|
|
|
+ },
|
|
|
|
+ {.url = "http://[1234::1]/?foobar",
|
|
|
|
+ .rc = 0,
|
|
|
|
+ .scheme = "http",
|
|
|
|
+ .host = "[1234::1]",
|
|
|
|
+ .port = 80,
|
|
|
|
+ .file = "/?foobar",
|
|
|
|
+ },
|
|
|
|
+ {.url = "http://[1234::1]:81/",
|
|
|
|
+ .rc = 0,
|
|
|
|
+ .scheme = "http",
|
|
|
|
+ .host = "[1234::1]",
|
|
|
|
+ .port = 81,
|
|
|
|
+ .file = "/",
|
|
|
|
+ },
|
|
|
|
+ {.url = "http://[1234::1]:81/?foobar",
|
|
|
|
+ .rc = 0,
|
|
|
|
+ .scheme = "http",
|
|
|
|
+ .host = "[1234::1]",
|
|
|
|
+ .port = 81,
|
|
|
|
+ .file = "/?foobar",
|
|
|
|
+ },
|
|
|
|
+ {.url = "http://foo@foo.example.com/",
|
|
|
|
+ .rc = 0,
|
|
|
|
+ .scheme = "http",
|
|
|
|
+ .userinfo = "foo",
|
|
|
|
+ .host = "foo.example.com",
|
|
|
|
+ .port = 80,
|
|
|
|
+ .file = "/",
|
|
|
|
+ },
|
|
|
|
+ {.url = "http://foo@foo.example.com/?foobar",
|
|
|
|
+ .rc = 0,
|
|
|
|
+ .scheme = "http",
|
|
|
|
+ .userinfo = "foo",
|
|
|
|
+ .host = "foo.example.com",
|
|
|
|
+ .port = 80,
|
|
|
|
+ .file = "/?foobar",
|
|
|
|
+ },
|
|
|
|
+ {.url = "http://foo@[foo.example.com/",
|
|
|
|
+ .rc = -1,
|
|
|
|
+ },
|
|
|
|
+ {.url = "http://foo@[foo.example.com/?foobar",
|
|
|
|
+ .rc = -1,
|
|
|
|
+ },
|
|
|
|
+ {.url = "http://foo@foo.example.com:81/",
|
|
|
|
+ .rc = 0,
|
|
|
|
+ .scheme = "http",
|
|
|
|
+ .userinfo = "foo",
|
|
|
|
+ .host = "foo.example.com",
|
|
|
|
+ .port = 81,
|
|
|
|
+ .file = "/",
|
|
|
|
+ },
|
|
|
|
+ {.url = "http://foo@foo.example.com:81/?foobar",
|
|
|
|
+ .rc = 0,
|
|
|
|
+ .scheme = "http",
|
|
|
|
+ .userinfo = "foo",
|
|
|
|
+ .host = "foo.example.com",
|
|
|
|
+ .port = 81,
|
|
|
|
+ .file = "/?foobar",
|
|
|
|
+ },
|
|
|
|
+ {.url = "http://foo@[1234::1]/",
|
|
|
|
+ .rc = 0,
|
|
|
|
+ .scheme = "http",
|
|
|
|
+ .userinfo = "foo",
|
|
|
|
+ .host = "[1234::1]",
|
|
|
|
+ .port = 80,
|
|
|
|
+ .file = "/",
|
|
|
|
+ },
|
|
|
|
+ {.url = "http://foo@[1234::1]/?foobar",
|
|
|
|
+ .rc = 0,
|
|
|
|
+ .scheme = "http",
|
|
|
|
+ .userinfo = "foo",
|
|
|
|
+ .host = "[1234::1]",
|
|
|
|
+ .port = 80,
|
|
|
|
+ .file = "/?foobar",
|
|
|
|
+ },
|
|
|
|
+ {.url = "http://foo@[1234::1]:81/",
|
|
|
|
+ .rc = 0,
|
|
|
|
+ .scheme = "http",
|
|
|
|
+ .userinfo = "foo",
|
|
|
|
+ .host = "[1234::1]",
|
|
|
|
+ .port = 81,
|
|
|
|
+ .file = "/",
|
|
|
|
+ },
|
|
|
|
+ {.url = "http://foo@[1234::1]:81/?foobar",
|
|
|
|
+ .rc = 0,
|
|
|
|
+ .scheme = "http",
|
|
|
|
+ .userinfo = "foo",
|
|
|
|
+ .host = "[1234::1]",
|
|
|
|
+ .port = 81,
|
|
|
|
+ .file = "/?foobar",
|
|
|
|
+ },
|
|
|
|
+ {.url = "https://foo.example.com/",
|
|
|
|
+ .rc = 0,
|
|
|
|
+ .scheme = "https",
|
|
|
|
+ .host = "foo.example.com",
|
|
|
|
+ .port = 443,
|
|
|
|
+ .file = "/",
|
|
|
|
+ },
|
|
|
|
+ {.url = "https://foo.example.com/?foobar",
|
|
|
|
+ .rc = 0,
|
|
|
|
+ .scheme = "https",
|
|
|
|
+ .host = "foo.example.com",
|
|
|
|
+ .port = 443,
|
|
|
|
+ .file = "/?foobar",
|
|
|
|
+ },
|
|
|
|
+ {.url = "https://[foo.example.com/",
|
|
|
|
+ .rc = -1,
|
|
|
|
+ },
|
|
|
|
+ {.url = "https://[foo.example.com/?foobar",
|
|
|
|
+ .rc = -1,
|
|
|
|
+ },
|
|
|
|
+ {.url = "https://foo.example.com:81/",
|
|
|
|
+ .rc = 0,
|
|
|
|
+ .scheme = "https",
|
|
|
|
+ .host = "foo.example.com",
|
|
|
|
+ .port = 81,
|
|
|
|
+ .file = "/",
|
|
|
|
+ },
|
|
|
|
+ {.url = "https://foo.example.com:81/?foobar",
|
|
|
|
+ .rc = 0,
|
|
|
|
+ .scheme = "https",
|
|
|
|
+ .host = "foo.example.com",
|
|
|
|
+ .port = 81,
|
|
|
|
+ .file = "/?foobar",
|
|
|
|
+ },
|
|
|
|
+ {.url = "https://[1234::1]/",
|
|
|
|
+ .rc = 0,
|
|
|
|
+ .scheme = "https",
|
|
|
|
+ .host = "[1234::1]",
|
|
|
|
+ .port = 443,
|
|
|
|
+ .file = "/",
|
|
|
|
+ },
|
|
|
|
+ {.url = "https://[1234::1]/?foobar",
|
|
|
|
+ .rc = 0,
|
|
|
|
+ .scheme = "https",
|
|
|
|
+ .host = "[1234::1]",
|
|
|
|
+ .port = 443,
|
|
|
|
+ .file = "/?foobar",
|
|
|
|
+ },
|
|
|
|
+ {.url = "https://[1234::1]:81/",
|
|
|
|
+ .rc = 0,
|
|
|
|
+ .scheme = "https",
|
|
|
|
+ .host = "[1234::1]",
|
|
|
|
+ .port = 81,
|
|
|
|
+ .file = "/",
|
|
|
|
+ },
|
|
|
|
+ {.url = "https://[1234::1]:81/?foobar",
|
|
|
|
+ .rc = 0,
|
|
|
|
+ .scheme = "https",
|
|
|
|
+ .host = "[1234::1]",
|
|
|
|
+ .port = 81,
|
|
|
|
+ .file = "/?foobar",
|
|
|
|
+ },
|
|
|
|
+ {.url = "https://foo@foo.example.com/",
|
|
|
|
+ .rc = 0,
|
|
|
|
+ .scheme = "https",
|
|
|
|
+ .userinfo = "foo",
|
|
|
|
+ .host = "foo.example.com",
|
|
|
|
+ .port = 443,
|
|
|
|
+ .file = "/",
|
|
|
|
+ },
|
|
|
|
+ {.url = "https://foo@foo.example.com/?foobar",
|
|
|
|
+ .rc = 0,
|
|
|
|
+ .scheme = "https",
|
|
|
|
+ .userinfo = "foo",
|
|
|
|
+ .host = "foo.example.com",
|
|
|
|
+ .port = 443,
|
|
|
|
+ .file = "/?foobar",
|
|
|
|
+ },
|
|
|
|
+ {.url = "https://foo@[foo.example.com/",
|
|
|
|
+ .rc = -1,
|
|
|
|
+ },
|
|
|
|
+ {.url = "https://f%6fo@[foo.example.com/?fooba%72",
|
|
|
|
+ .rc = -1,
|
|
|
|
+ },
|
|
|
|
+ {.url = "https://foo@foo.example.com:81/",
|
|
|
|
+ .rc = 0,
|
|
|
|
+ .scheme = "https",
|
|
|
|
+ .userinfo = "foo",
|
|
|
|
+ .host = "foo.example.com",
|
|
|
|
+ .port = 81,
|
|
|
|
+ .file = "/",
|
|
|
|
+ },
|
|
|
|
+ {.url = "https://foo@foo.example.com:81/?foobar",
|
|
|
|
+ .rc = 0,
|
|
|
|
+ .scheme = "https",
|
|
|
|
+ .userinfo = "foo",
|
|
|
|
+ .host = "foo.example.com",
|
|
|
|
+ .port = 81,
|
|
|
|
+ .file = "/?foobar",
|
|
|
|
+ },
|
|
|
|
+ {.url = "https://foo@[1234::1]/",
|
|
|
|
+ .rc = 0,
|
|
|
|
+ .scheme = "https",
|
|
|
|
+ .userinfo = "foo",
|
|
|
|
+ .host = "[1234::1]",
|
|
|
|
+ .port = 443,
|
|
|
|
+ .file = "/",
|
|
|
|
+ },
|
|
|
|
+ {.url = "https://foo@[1234::1]/?foobar",
|
|
|
|
+ .rc = 0,
|
|
|
|
+ .scheme = "https",
|
|
|
|
+ .userinfo = "foo",
|
|
|
|
+ .host = "[1234::1]",
|
|
|
|
+ .port = 443,
|
|
|
|
+ .file = "/?foobar",
|
|
|
|
+ },
|
|
|
|
+ {.url = "https://f%6fo@[12%334::1]:81/",
|
|
|
|
+ .rc = 0,
|
|
|
|
+ .scheme = "https",
|
|
|
|
+ .userinfo = "foo",
|
|
|
|
+ .host = "[1234::1]",
|
|
|
|
+ .port = 81,
|
|
|
|
+ .file = "/",
|
|
|
|
+ },
|
|
|
|
+ {.url = "https://foo@[1234::1]:81/?foobar",
|
|
|
|
+ .rc = 0,
|
|
|
|
+ .scheme = "https",
|
|
|
|
+ .userinfo = "foo",
|
|
|
|
+ .host = "[1234::1]",
|
|
|
|
+ .port = 81,
|
|
|
|
+ .file = "/?foobar",
|
|
|
|
+ },
|
|
|
|
+ {.url = "tftp://foo.e%78ample.com/foo/bar/b%61%7a",
|
|
|
|
+ .rc = 0,
|
|
|
|
+ .scheme = "tftp",
|
|
|
|
+ .host = "foo.example.com",
|
|
|
|
+ .port = 69,
|
|
|
|
+ .file = "/foo/bar/baz",
|
|
|
|
+ },
|
|
|
|
+ {.url = "tftp://foo.example.com/foo/bar/baz",
|
|
|
|
+ .rc = 0,
|
|
|
|
+ .scheme = "tftp",
|
|
|
|
+ .host = "foo.example.com",
|
|
|
|
+ .port = 69,
|
|
|
|
+ .file = "/foo/bar/baz",
|
|
|
|
+ },
|
|
|
|
+ {.url = "tftps://foo.example.com/foo/bar/baz",
|
|
|
|
+ .rc = 0,
|
|
|
|
+ .scheme = "tftps",
|
|
|
|
+ .host = "foo.example.com",
|
|
|
|
+ .port = 3713,
|
|
|
|
+ .file = "/foo/bar/baz",
|
|
|
|
+ },
|
|
|
|
+ {.url = "tftps://foo.example.com/foo/bar/baz;mode=netascii",
|
|
|
|
+ .rc = -1,
|
|
|
|
+ },
|
|
|
|
+ {.url = "tftps://foo.example.com/foo/bar/baz;mode=octet",
|
|
|
|
+ .rc = 0,
|
|
|
|
+ .scheme = "tftps",
|
|
|
|
+ .host = "foo.example.com",
|
|
|
|
+ .port = 3713,
|
|
|
|
+ .file = "/foo/bar/baz",
|
|
|
|
+ },
|
|
|
|
+ {.url = "tftps://foo.example.com/foo/bar/baz;mode=invalid",
|
|
|
|
+ .rc = -1,
|
|
|
|
+ },
|
|
|
|
+ {.url = "",
|
|
|
|
+ },
|
|
|
|
+};
|
|
|
|
+
|
|
|
|
+static int
|
|
|
|
+string_test (char *name, char *a, char *b)
|
|
|
|
+{
|
|
|
|
+ if ((a && !b) || (!a && b))
|
|
|
|
+ {
|
|
|
|
+ printf("expected %s \"%s\", got \"%s\"\n", name, a, b);
|
|
|
|
+ return -1;
|
|
|
|
+ }
|
|
|
|
+ if (a && b && strcmp(a, b))
|
|
|
|
+ {
|
|
|
|
+ printf("expected %s \"%s\", got \"%s\"\n", name, a, b);
|
|
|
|
+ return -1;
|
|
|
|
+ }
|
|
|
|
+ return 0;
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+int
|
|
|
|
+main(void)
|
|
|
|
+{
|
|
|
|
+ unsigned int i;
|
|
|
|
+ int rc;
|
|
|
|
+
|
|
|
|
+ for (i = 0; tests[i].url[0] != '\0'; i++)
|
|
|
|
+ {
|
|
|
|
+ char *scheme, *userinfo, *host, *file;
|
|
|
|
+ int port;
|
|
|
|
+
|
|
|
|
+ printf("======= url: \"%s\"\n", tests[i].url);
|
|
|
|
+ rc = extract_url_info(tests[i].url, strlen(tests[i].url) + 1,
|
|
|
|
+ &scheme, &userinfo, &host, &port, &file);
|
|
|
|
+ if (tests[i].rc != rc)
|
|
|
|
+ {
|
|
|
|
+ printf(" extract_url_info(...) = %d\n", rc);
|
|
|
|
+ exit(1);
|
|
|
|
+ }
|
|
|
|
+ else if (rc >= 0)
|
|
|
|
+ {
|
|
|
|
+ if (string_test("scheme", tests[i].scheme, scheme) < 0)
|
|
|
|
+ exit(1);
|
|
|
|
+ if (string_test("userinfo", tests[i].userinfo, userinfo) < 0)
|
|
|
|
+ exit(1);
|
|
|
|
+ if (string_test("host", tests[i].host, host) < 0)
|
|
|
|
+ exit(1);
|
|
|
|
+ if (port != tests[i].port)
|
|
|
|
+ {
|
|
|
|
+ printf(" bad port \"%d\" should have been \"%d\"\n",
|
|
|
|
+ port, tests[i].port);
|
|
|
|
+ exit(1);
|
|
|
|
+ }
|
|
|
|
+ if (string_test("file", tests[i].file, file) < 0)
|
|
|
|
+ exit(1);
|
|
|
|
+ }
|
|
|
|
+ free(scheme);
|
|
|
|
+ free(userinfo);
|
|
|
|
+ free(host);
|
|
|
|
+ free(file);
|
|
|
|
+ }
|
|
|
|
+ printf("everything worked?!?\n");
|
|
|
|
+}
|
|
|
|
+#endif
|
|
|
|
diff --git a/include/grub/misc.h b/include/grub/misc.h
|
|
|
|
index 062081437..4737da1ea 100644
|
|
|
|
--- a/include/grub/misc.h
|
|
|
|
+++ b/include/grub/misc.h
|
|
|
|
@@ -85,6 +85,7 @@ int EXPORT_FUNC(grub_strncmp) (const char *s1, const char *s2, grub_size_t n);
|
|
|
|
|
|
|
|
char *EXPORT_FUNC(grub_strchr) (const char *s, int c);
|
|
|
|
char *EXPORT_FUNC(grub_strrchr) (const char *s, int c);
|
|
|
|
+char *EXPORT_FUNC(grub_strchrnul) (const char *s, int c);
|
|
|
|
int EXPORT_FUNC(grub_strword) (const char *s, const char *w);
|
|
|
|
|
|
|
|
/* Copied from gnulib.
|
|
|
|
@@ -207,6 +208,50 @@ grub_toupper (int c)
|
|
|
|
return c;
|
|
|
|
}
|
|
|
|
|
|
|
|
+static inline char *
|
|
|
|
+grub_strcasestr (const char *haystack, const char *needle)
|
|
|
|
+{
|
|
|
|
+ /* Be careful not to look at the entire extent of haystack or needle
|
|
|
|
+ until needed. This is useful because of these two cases:
|
|
|
|
+ - haystack may be very long, and a match of needle found early,
|
|
|
|
+ - needle may be very long, and not even a short initial segment of
|
|
|
|
+ needle may be found in haystack. */
|
|
|
|
+ if (*needle != '\0')
|
|
|
|
+ {
|
|
|
|
+ /* Speed up the following searches of needle by caching its first
|
|
|
|
+ character. */
|
|
|
|
+ char b = *needle++;
|
|
|
|
+
|
|
|
|
+ for (;; haystack++)
|
|
|
|
+ {
|
|
|
|
+ if (*haystack == '\0')
|
|
|
|
+ /* No match. */
|
|
|
|
+ return 0;
|
|
|
|
+ if (grub_tolower(*haystack) == grub_tolower(b))
|
|
|
|
+ /* The first character matches. */
|
|
|
|
+ {
|
|
|
|
+ const char *rhaystack = haystack + 1;
|
|
|
|
+ const char *rneedle = needle;
|
|
|
|
+
|
|
|
|
+ for (;; rhaystack++, rneedle++)
|
|
|
|
+ {
|
|
|
|
+ if (*rneedle == '\0')
|
|
|
|
+ /* Found a match. */
|
|
|
|
+ return (char *) haystack;
|
|
|
|
+ if (*rhaystack == '\0')
|
|
|
|
+ /* No match. */
|
|
|
|
+ return 0;
|
|
|
|
+ if (grub_tolower(*rhaystack) != grub_tolower(*rneedle))
|
|
|
|
+ /* Nothing in this round. */
|
|
|
|
+ break;
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ else
|
|
|
|
+ return (char *) haystack;
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
static inline int
|
|
|
|
grub_strcasecmp (const char *s1, const char *s2)
|
|
|
|
{
|
|
|
|
diff --git a/include/grub/net/url.h b/include/grub/net/url.h
|
|
|
|
new file mode 100644
|
|
|
|
index 000000000..a215fa27d
|
|
|
|
--- /dev/null
|
|
|
|
+++ b/include/grub/net/url.h
|
|
|
|
@@ -0,0 +1,28 @@
|
|
|
|
+/* url.h - prototypes for url parsing functions */
|
|
|
|
+/*
|
|
|
|
+ * GRUB -- GRand Unified Bootloader
|
|
|
|
+ * Copyright (C) 2016 Free Software Foundation, Inc.
|
|
|
|
+ *
|
|
|
|
+ * GRUB is free software: you can redistribute it and/or modify
|
|
|
|
+ * it under the terms of the GNU General Public License as published by
|
|
|
|
+ * the Free Software Foundation, either version 3 of the License, or
|
|
|
|
+ * (at your option) any later version.
|
|
|
|
+ *
|
|
|
|
+ * GRUB is distributed in the hope that it will be useful,
|
|
|
|
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
|
+ * GNU General Public License for more details.
|
|
|
|
+ *
|
|
|
|
+ * You should have received a copy of the GNU General Public License
|
|
|
|
+ * along with GRUB. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
+ */
|
|
|
|
+
|
|
|
|
+#ifndef GRUB_URL_HEADER
|
|
|
|
+#define GRUB_URL_HEADER 1
|
|
|
|
+
|
|
|
|
+int
|
|
|
|
+EXPORT_FUNC(extract_url_info) (const char *urlbuf, grub_size_t buflen,
|
|
|
|
+ char **scheme, char **userinfo,
|
|
|
|
+ char **host, int *port, char **file);
|
|
|
|
+
|
|
|
|
+#endif /* GRUB_URL_HEADER */
|
|
|
|
--
|
2017-08-24 18:10:08 +00:00
|
|
|
2.13.5
|
2017-06-16 19:31:32 +00:00
|
|
|
|