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From bbee3b6833ab1792e75470db5f3b7022e9a965f5 Mon Sep 17 00:00:00 2001
From: Beniamino Galvani <bgalvani@redhat.com>
Date: Wed, 20 Jun 2018 11:49:22 +0200
Subject: [PATCH 1/2] Revert "dhclient: write client-id with backslash and
quotes as hex"
This reverts commit 0e4b33ee7552b036332f1bdbfed78f8ee75f000e.
---
src/dhcp/nm-dhcp-dhclient-utils.c | 2 +-
src/dhcp/tests/test-dhcp-dhclient.c | 33 +----------------------------
2 files changed, 2 insertions(+), 33 deletions(-)
diff --git a/src/dhcp/nm-dhcp-dhclient-utils.c b/src/dhcp/nm-dhcp-dhclient-utils.c
index cbd706f..7324597 100644
--- a/src/dhcp/nm-dhcp-dhclient-utils.c
+++ b/src/dhcp/nm-dhcp-dhclient-utils.c
@@ -124,7 +124,7 @@ add_ip4_config (GString *str, GBytes *client_id, const char *hostname, gboolean
* as long as all the characters are printable.
*/
for (i = 1; (p[0] == 0) && i < l; i++) {
- if (!g_ascii_isprint (p[i]) || p[i] == '\\' || p[i] == '"')
+ if (!g_ascii_isprint (p[i]))
break;
}
diff --git a/src/dhcp/tests/test-dhcp-dhclient.c b/src/dhcp/tests/test-dhcp-dhclient.c
index 55d712b..7df0720 100644
--- a/src/dhcp/tests/test-dhcp-dhclient.c
+++ b/src/dhcp/tests/test-dhcp-dhclient.c
@@ -178,36 +178,6 @@ test_quote_client_id (void)
/*****************************************************************************/
-static const char *quote_client_id_expected_2 = \
- "# Created by NetworkManager\n"
- "\n"
- "send dhcp-client-identifier 00:61:5c:62:63; # added by NetworkManager\n"
- "\n"
- "option rfc3442-classless-static-routes code 121 = array of unsigned integer 8;\n"
- "option ms-classless-static-routes code 249 = array of unsigned integer 8;\n"
- "option wpad code 252 = string;\n"
- "\n"
- "also request rfc3442-classless-static-routes;\n"
- "also request ms-classless-static-routes;\n"
- "also request static-routes;\n"
- "also request wpad;\n"
- "also request ntp-servers;\n"
- "also request root-path;\n"
- "\n";
-
-static void
-test_quote_client_id_2 (void)
-{
- test_config (NULL, quote_client_id_expected_2,
- AF_INET, NULL, 0, FALSE,
- "a\\bc",
- NULL,
- "eth0",
- NULL);
-}
-
-/*****************************************************************************/
-
static const char *hex_zero_client_id_expected = \
"# Created by NetworkManager\n"
"\n"
@@ -1130,8 +1100,7 @@ main (int argc, char **argv)
g_test_add_func ("/dhcp/dhclient/orig_missing", test_orig_missing);
g_test_add_func ("/dhcp/dhclient/override_client_id", test_override_client_id);
- g_test_add_func ("/dhcp/dhclient/quote_client_id/1", test_quote_client_id);
- g_test_add_func ("/dhcp/dhclient/quote_client_id/2", test_quote_client_id_2);
+ g_test_add_func ("/dhcp/dhclient/quote_client_id", test_quote_client_id);
g_test_add_func ("/dhcp/dhclient/hex_zero_client_id", test_hex_zero_client_id);
g_test_add_func ("/dhcp/dhclient/ascii_client_id", test_ascii_client_id);
g_test_add_func ("/dhcp/dhclient/hex_single_client_id", test_hex_single_client_id);
--
2.21.0
From 2049c9c861f262aa6c949f45cd401ec515c2f2d0 Mon Sep 17 00:00:00 2001
From: Beniamino Galvani <bgalvani@redhat.com>
Date: Wed, 20 Jun 2018 11:50:51 +0200
Subject: [PATCH 2/2] Revert "dhcp: dhclient: set type 0 for printable client
IDs"
Keep the RHEL 7.5 behavior.
This reverts commit 8ffa22d10d3001405965826b46463663fd2dacc2.
---
src/dhcp/nm-dhcp-dhclient-utils.c | 46 +++------------
src/dhcp/tests/test-dhcp-dhclient.c | 87 +++--------------------------
2 files changed, 17 insertions(+), 116 deletions(-)
diff --git a/src/dhcp/nm-dhcp-dhclient-utils.c b/src/dhcp/nm-dhcp-dhclient-utils.c
index 7324597..4eb4c5d 100644
--- a/src/dhcp/nm-dhcp-dhclient-utils.c
+++ b/src/dhcp/nm-dhcp-dhclient-utils.c
@@ -137,9 +137,8 @@ add_ip4_config (GString *str, GBytes *client_id, const char *hostname, gboolean
g_string_append_printf (str, "%02x", (guint8) p[i]);
}
} else {
- /* Printable; just add to the line with type 0 */
+ /* Printable; just add to the line minus the 'type' */
g_string_append_c (str, '"');
- g_string_append (str, "\\x00");
g_string_append_len (str, p + 1, l - 1);
g_string_append_c (str, '"');
}
@@ -177,60 +176,31 @@ read_client_id (const char *str)
{
gs_free char *s = NULL;
char *p;
- int i = 0, j = 0;
nm_assert (!strncmp (str, CLIENTID_TAG, NM_STRLEN (CLIENTID_TAG)));
- str += NM_STRLEN (CLIENTID_TAG);
- if (!g_ascii_isspace (*str))
- return NULL;
+ str += NM_STRLEN (CLIENTID_TAG);
while (g_ascii_isspace (*str))
str++;
if (*str == '"') {
- /* Parse string literal with escape sequences */
s = g_strdup (str + 1);
p = strrchr (s, '"');
if (p)
*p = '\0';
else
return NULL;
+ } else
+ s = g_strdup (str);
- if (!s[0])
- return NULL;
-
- while (s[i]) {
- if ( s[i] == '\\'
- && s[i + 1] == 'x'
- && g_ascii_isxdigit (s[i + 2])
- && g_ascii_isxdigit (s[i + 3])) {
- s[j++] = (g_ascii_xdigit_value (s[i + 2]) << 4)
- + g_ascii_xdigit_value (s[i + 3]);
- i += 4;
- continue;
- }
- if ( s[i] == '\\'
- && s[i + 1] >= '0' && s[i + 1] <= '7'
- && s[1 + 2] >= '0' && s[i + 2] <= '7'
- && s[1 + 3] >= '0' && s[i + 3] <= '7') {
- s[j++] = ((s[i + 1] - '0') << 6)
- + ((s[i + 2] - '0') << 3)
- + ( s[i + 3] - '0');
- i += 4;
- continue;
- }
- s[j++] = s[i++];
- }
- return g_bytes_new_take (g_steal_pointer (&s), j);
- }
-
- /* Otherwise, try to read a hexadecimal sequence */
- s = g_strdup (str);
g_strchomp (s);
if (s[strlen (s) - 1] == ';')
s[strlen (s) - 1] = '\0';
- return nm_utils_hexstr2bin (s);
+ if (!s[0])
+ return NULL;
+
+ return nm_dhcp_utils_client_id_string_to_bytes (s);
}
static gboolean
diff --git a/src/dhcp/tests/test-dhcp-dhclient.c b/src/dhcp/tests/test-dhcp-dhclient.c
index 7df0720..acdd276 100644
--- a/src/dhcp/tests/test-dhcp-dhclient.c
+++ b/src/dhcp/tests/test-dhcp-dhclient.c
@@ -151,7 +151,7 @@ test_override_client_id (void)
static const char *quote_client_id_expected = \
"# Created by NetworkManager\n"
"\n"
- "send dhcp-client-identifier \"\\x00abcd\"; # added by NetworkManager\n"
+ "send dhcp-client-identifier \"1234\"; # added by NetworkManager\n"
"\n"
"option rfc3442-classless-static-routes code 121 = array of unsigned integer 8;\n"
"option ms-classless-static-routes code 249 = array of unsigned integer 8;\n"
@@ -170,37 +170,7 @@ test_quote_client_id (void)
{
test_config (NULL, quote_client_id_expected,
AF_INET, NULL, 0, FALSE,
- "abcd",
- NULL,
- "eth0",
- NULL);
-}
-
-/*****************************************************************************/
-
-static const char *hex_zero_client_id_expected = \
- "# Created by NetworkManager\n"
- "\n"
- "send dhcp-client-identifier 00:11:22:33; # added by NetworkManager\n"
- "\n"
- "option rfc3442-classless-static-routes code 121 = array of unsigned integer 8;\n"
- "option ms-classless-static-routes code 249 = array of unsigned integer 8;\n"
- "option wpad code 252 = string;\n"
- "\n"
- "also request rfc3442-classless-static-routes;\n"
- "also request ms-classless-static-routes;\n"
- "also request static-routes;\n"
- "also request wpad;\n"
- "also request ntp-servers;\n"
- "also request root-path;\n"
- "\n";
-
-static void
-test_hex_zero_client_id (void)
-{
- test_config (NULL, hex_zero_client_id_expected,
- AF_INET, NULL, 0, FALSE,
- "00:11:22:33",
+ "1234",
NULL,
"eth0",
NULL);
@@ -211,7 +181,7 @@ test_hex_zero_client_id (void)
static const char *ascii_client_id_expected = \
"# Created by NetworkManager\n"
"\n"
- "send dhcp-client-identifier \"\\x00qb:cd:ef:12:34:56\"; # added by NetworkManager\n"
+ "send dhcp-client-identifier \"qb:cd:ef:12:34:56\"; # added by NetworkManager\n"
"\n"
"option rfc3442-classless-static-routes code 121 = array of unsigned integer 8;\n"
"option ms-classless-static-routes code 249 = array of unsigned integer 8;\n"
@@ -269,13 +239,13 @@ test_hex_single_client_id (void)
/*****************************************************************************/
static const char *existing_hex_client_id_orig = \
- "send dhcp-client-identifier 10:30:04:20:7A:08;\n";
+ "send dhcp-client-identifier 00:30:04:20:7A:08;\n";
static const char *existing_hex_client_id_expected = \
"# Created by NetworkManager\n"
"# Merged from /path/to/dhclient.conf\n"
"\n"
- "send dhcp-client-identifier 10:30:04:20:7A:08;\n"
+ "send dhcp-client-identifier 00:30:04:20:7A:08;\n"
"\n"
"option rfc3442-classless-static-routes code 121 = array of unsigned integer 8;\n"
"option ms-classless-static-routes code 249 = array of unsigned integer 8;\n"
@@ -293,7 +263,7 @@ static void
test_existing_hex_client_id (void)
{
gs_unref_bytes GBytes *new_client_id = NULL;
- const guint8 bytes[] = { 0x10, 0x30, 0x04, 0x20, 0x7A, 0x08 };
+ const guint8 bytes[] = { 0x00, 0x30, 0x04,0x20, 0x7A, 0x08 };
new_client_id = g_bytes_new (bytes, sizeof (bytes));
test_config (existing_hex_client_id_orig, existing_hex_client_id_expected,
@@ -306,53 +276,16 @@ test_existing_hex_client_id (void)
/*****************************************************************************/
-static const char *existing_escaped_client_id_orig = \
- "send dhcp-client-identifier \"\\044test\\xfe\";\n";
-
-static const char *existing_escaped_client_id_expected = \
- "# Created by NetworkManager\n"
- "# Merged from /path/to/dhclient.conf\n"
- "\n"
- "send dhcp-client-identifier \"\\044test\\xfe\";\n"
- "\n"
- "option rfc3442-classless-static-routes code 121 = array of unsigned integer 8;\n"
- "option ms-classless-static-routes code 249 = array of unsigned integer 8;\n"
- "option wpad code 252 = string;\n"
- "\n"
- "also request rfc3442-classless-static-routes;\n"
- "also request ms-classless-static-routes;\n"
- "also request static-routes;\n"
- "also request wpad;\n"
- "also request ntp-servers;\n"
- "also request root-path;\n"
- "\n";
-
-static void
-test_existing_escaped_client_id (void)
-{
- gs_unref_bytes GBytes *new_client_id = NULL;
-
- new_client_id = g_bytes_new ("$test\xfe", 6);
- test_config (existing_escaped_client_id_orig, existing_escaped_client_id_expected,
- AF_INET, NULL, 0, FALSE,
- NULL,
- new_client_id,
- "eth0",
- NULL);
-}
-
-/*****************************************************************************/
-
#define EACID "qb:cd:ef:12:34:56"
static const char *existing_ascii_client_id_orig = \
- "send dhcp-client-identifier \"\\x00" EACID "\";\n";
+ "send dhcp-client-identifier \"" EACID "\";\n";
static const char *existing_ascii_client_id_expected = \
"# Created by NetworkManager\n"
"# Merged from /path/to/dhclient.conf\n"
"\n"
- "send dhcp-client-identifier \"\\x00" EACID "\";\n"
+ "send dhcp-client-identifier \"" EACID "\";\n"
"\n"
"option rfc3442-classless-static-routes code 121 = array of unsigned integer 8;\n"
"option ms-classless-static-routes code 249 = array of unsigned integer 8;\n"
@@ -944,7 +877,7 @@ static void
test_structured (void)
{
gs_unref_bytes GBytes *new_client_id = NULL;
- const guint8 bytes[] = "sad-and-useless";
+ const guint8 bytes[] = "\x00sad-and-useless";
static const char *const orig = \
"interface \"eth0\" { \n"
@@ -1101,11 +1034,9 @@ main (int argc, char **argv)
g_test_add_func ("/dhcp/dhclient/orig_missing", test_orig_missing);
g_test_add_func ("/dhcp/dhclient/override_client_id", test_override_client_id);
g_test_add_func ("/dhcp/dhclient/quote_client_id", test_quote_client_id);
- g_test_add_func ("/dhcp/dhclient/hex_zero_client_id", test_hex_zero_client_id);
g_test_add_func ("/dhcp/dhclient/ascii_client_id", test_ascii_client_id);
g_test_add_func ("/dhcp/dhclient/hex_single_client_id", test_hex_single_client_id);
g_test_add_func ("/dhcp/dhclient/existing-hex-client-id", test_existing_hex_client_id);
- g_test_add_func ("/dhcp/dhclient/existing-client-id", test_existing_escaped_client_id);
g_test_add_func ("/dhcp/dhclient/existing-ascii-client-id", test_existing_ascii_client_id);
g_test_add_func ("/dhcp/dhclient/fqdn", test_fqdn);
g_test_add_func ("/dhcp/dhclient/fqdn_options_override", test_fqdn_options_override);
--
2.21.0