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-rw-r--r--src/libudev/libudev-util.c5
-rw-r--r--src/shared/device-nodes.c74
-rw-r--r--src/shared/device-nodes.h23
-rw-r--r--src/shared/utf8.c46
-rw-r--r--src/shared/utf8.h2
-rw-r--r--src/shared/util.c4
-rw-r--r--src/test/test-device-nodes.c55
-rw-r--r--src/test/test-utf8.c28
8 files changed, 158 insertions, 79 deletions
diff --git a/src/libudev/libudev-util.c b/src/libudev/libudev-util.c
index d54430cad0..b5b9db67fc 100644
--- a/src/libudev/libudev-util.c
+++ b/src/libudev/libudev-util.c
@@ -32,6 +32,7 @@
#include <sys/stat.h>
#include <sys/param.h>
+#include "device-nodes.h"
#include "libudev.h"
#include "libudev-private.h"
#include "utf8.h"
@@ -344,7 +345,7 @@ int util_replace_chars(char *str, const char *white)
while (str[i] != '\0') {
int len;
- if (is_utf8_encoding_whitelisted(str[i], white)) {
+ if (whitelisted_char_for_devnode(str[i], white)) {
i++;
continue;
}
@@ -392,7 +393,7 @@ int util_replace_chars(char *str, const char *white)
**/
_public_ int udev_util_encode_string(const char *str, char *str_enc, size_t len)
{
- return udev_encode_string(str, str_enc, len);
+ return encode_devnode_name(str, str_enc, len);
}
/*
diff --git a/src/shared/device-nodes.c b/src/shared/device-nodes.c
new file mode 100644
index 0000000000..986553e93f
--- /dev/null
+++ b/src/shared/device-nodes.c
@@ -0,0 +1,74 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+ This file is part of systemd.
+
+ Copyright 2012 Lennart Poettering
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <sys/types.h>
+
+#include "device-nodes.h"
+#include "utf8.h"
+
+int whitelisted_char_for_devnode(char c, const char *white) {
+ if ((c >= '0' && c <= '9') ||
+ (c >= 'A' && c <= 'Z') ||
+ (c >= 'a' && c <= 'z') ||
+ strchr("#+-.:=@_", c) != NULL ||
+ (white != NULL && strchr(white, c) != NULL))
+ return 1;
+ return 0;
+}
+
+int encode_devnode_name(const char *str, char *str_enc, size_t len) {
+ size_t i, j;
+
+ if (str == NULL || str_enc == NULL)
+ return -1;
+
+ for (i = 0, j = 0; str[i] != '\0'; i++) {
+ int seqlen;
+
+ seqlen = utf8_encoded_valid_unichar(&str[i]);
+ if (seqlen > 1) {
+ if (len-j < (size_t)seqlen)
+ goto err;
+ memcpy(&str_enc[j], &str[i], seqlen);
+ j += seqlen;
+ i += (seqlen-1);
+ } else if (str[i] == '\\' || !whitelisted_char_for_devnode(str[i], NULL)) {
+ if (len-j < 4)
+ goto err;
+ sprintf(&str_enc[j], "\\x%02x", (unsigned char) str[i]);
+ j += 4;
+ } else {
+ if (len-j < 1)
+ goto err;
+ str_enc[j] = str[i];
+ j++;
+ }
+ }
+ if (len-j < 1)
+ goto err;
+ str_enc[j] = '\0';
+ return 0;
+err:
+ return -1;
+}
diff --git a/src/shared/device-nodes.h b/src/shared/device-nodes.h
new file mode 100644
index 0000000000..a98195afa9
--- /dev/null
+++ b/src/shared/device-nodes.h
@@ -0,0 +1,23 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+ This file is part of systemd.
+
+ Copyright 2012 Lennart Poettering
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+int encode_devnode_name(const char *str, char *str_enc, size_t len);
+int whitelisted_char_for_devnode(char c, const char *additional);
diff --git a/src/shared/utf8.c b/src/shared/utf8.c
index 732f0f00ca..c3d97cc783 100644
--- a/src/shared/utf8.c
+++ b/src/shared/utf8.c
@@ -285,49 +285,3 @@ int utf8_encoded_valid_unichar(const char *str) {
return len;
}
-
-int is_utf8_encoding_whitelisted(char c, const char *white) {
- if ((c >= '0' && c <= '9') ||
- (c >= 'A' && c <= 'Z') ||
- (c >= 'a' && c <= 'z') ||
- strchr("#+-.:=@_", c) != NULL ||
- (white != NULL && strchr(white, c) != NULL))
- return 1;
- return 0;
-}
-
-int udev_encode_string(const char *str, char *str_enc, size_t len) {
- size_t i, j;
-
- if (str == NULL || str_enc == NULL)
- return -1;
-
- for (i = 0, j = 0; str[i] != '\0'; i++) {
- int seqlen;
-
- seqlen = utf8_encoded_valid_unichar(&str[i]);
- if (seqlen > 1) {
- if (len-j < (size_t)seqlen)
- goto err;
- memcpy(&str_enc[j], &str[i], seqlen);
- j += seqlen;
- i += (seqlen-1);
- } else if (str[i] == '\\' || !is_utf8_encoding_whitelisted(str[i], NULL)) {
- if (len-j < 4)
- goto err;
- sprintf(&str_enc[j], "\\x%02x", (unsigned char) str[i]);
- j += 4;
- } else {
- if (len-j < 1)
- goto err;
- str_enc[j] = str[i];
- j++;
- }
- }
- if (len-j < 1)
- goto err;
- str_enc[j] = '\0';
- return 0;
-err:
- return -1;
-}
diff --git a/src/shared/utf8.h b/src/shared/utf8.h
index 22e13461de..96a03ea7cb 100644
--- a/src/shared/utf8.h
+++ b/src/shared/utf8.h
@@ -35,5 +35,3 @@ char *ascii_filter(const char *s);
char *utf16_to_utf8(const void *s, size_t length);
int utf8_encoded_valid_unichar(const char *str);
-int is_utf8_encoding_whitelisted(char c, const char *white);
-int udev_encode_string(const char *str, char *str_enc, size_t len);
diff --git a/src/shared/util.c b/src/shared/util.c
index 2b76a5c885..200955376e 100644
--- a/src/shared/util.c
+++ b/src/shared/util.c
@@ -73,7 +73,7 @@
#include "hashmap.h"
#include "env-util.h"
#include "fileio.h"
-#include "utf8.h"
+#include "device-nodes.h"
int saved_argc = 0;
char **saved_argv = NULL;
@@ -3509,7 +3509,7 @@ static char *tag_to_udev_node(const char *tagvalue, const char *by) {
if (t == NULL)
return NULL;
- if (udev_encode_string(u, t, enc_len) < 0)
+ if (encode_devnode_name(u, t, enc_len) < 0)
return NULL;
if (asprintf(&dn, "/dev/disk/by-%s/%s", by, t) < 0)
diff --git a/src/test/test-device-nodes.c b/src/test/test-device-nodes.c
new file mode 100644
index 0000000000..2f3dedb90f
--- /dev/null
+++ b/src/test/test-device-nodes.c
@@ -0,0 +1,55 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+ This file is part of systemd.
+
+ Copyright 2013 Dave Reisner
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <sys/types.h>
+
+#include "device-nodes.h"
+#include "util.h"
+
+/* helpers for test_encode_devnode_name */
+static char *do_encode_string(const char *in) {
+ size_t out_len = strlen(in) * 4;
+ char *out = malloc(out_len);
+
+ assert_se(out);
+ assert_se(encode_devnode_name(in, out, out_len) >= 0);
+ puts(out);
+
+ return out;
+}
+
+static bool expect_encoded_as(const char *in, const char *expected) {
+ _cleanup_free_ char *encoded = do_encode_string(in);
+ return streq(encoded, expected);
+}
+
+static void test_encode_devnode_name(void) {
+ assert_se(expect_encoded_as("systemd sucks", "systemd\\x20sucks"));
+ assert_se(expect_encoded_as("pinkiepie", "pinkiepie"));
+ assert_se(expect_encoded_as("valíd\\ųtf8", "valíd\\x5cųtf8"));
+ assert_se(expect_encoded_as("s/ash/ng", "s\\x2fash\\x2fng"));
+}
+
+int main(int argc, char *argv[]) {
+ test_encode_devnode_name();
+
+ return 0;
+}
diff --git a/src/test/test-utf8.c b/src/test/test-utf8.c
index 26cc37bd6e..b5a833e9e4 100644
--- a/src/test/test-utf8.c
+++ b/src/test/test-utf8.c
@@ -19,34 +19,9 @@
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
-
#include "utf8.h"
#include "util.h"
-/* helpers for test_udev_encode_string */
-static char *do_encode_string(const char *in) {
- size_t out_len = strlen(in) * 4;
- char *out = malloc(out_len);
-
- assert_se(out);
- assert_se(udev_encode_string(in, out, out_len) >= 0);
- puts(out);
-
- return out;
-}
-
-static bool expect_encoded_as(const char *in, const char *expected) {
- _cleanup_free_ char *encoded = do_encode_string(in);
- return streq(encoded, expected);
-}
-
-static void test_udev_encode_string(void) {
- assert_se(expect_encoded_as("systemd sucks", "systemd\\x20sucks"));
- assert_se(expect_encoded_as("pinkiepie", "pinkiepie"));
- assert_se(expect_encoded_as("valíd\\ųtf8", "valíd\\x5cųtf8"));
- assert_se(expect_encoded_as("s/ash/ng", "s\\x2fash\\x2fng"));
-}
-
static void test_utf8_is_printable(void) {
assert_se(utf8_is_printable("ascii is valid\tunicode", 22));
assert_se(utf8_is_printable("\342\204\242", 3));
@@ -55,14 +30,13 @@ static void test_utf8_is_printable(void) {
static void test_utf8_is_valid(void) {
assert_se(utf8_is_valid("ascii is valid unicode"));
- assert_se(utf8_is_valid("\341\204\242"));
+ assert_se(utf8_is_valid("\342\204\242"));
assert_se(!utf8_is_valid("\341\204"));
}
int main(int argc, char *argv[]) {
test_utf8_is_valid();
test_utf8_is_printable();
- test_udev_encode_string();
return 0;
}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-10 17:43:39 +0000