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-rw-r--r--lib/util/charset/charcnv.c42
-rw-r--r--lib/util/charset/charset.h14
-rw-r--r--lib/util/charset/tests/iconv.c11
-rw-r--r--lib/util/charset/util_unistr.c56
4 files changed, 77 insertions, 46 deletions
diff --git a/lib/util/charset/charcnv.c b/lib/util/charset/charcnv.c
index 18be2bcac2..258730ec82 100644
--- a/lib/util/charset/charcnv.c
+++ b/lib/util/charset/charcnv.c
@@ -186,7 +186,7 @@ convert:
destlen = 2 + (destlen*3);
ob = talloc_realloc(ctx, outbuf, char, destlen);
if (!ob) {
- DEBUG(0, ("convert_string_talloc: realloc failed!\n"));
+ DEBUG(0, ("iconv_talloc: realloc failed!\n"));
talloc_free(outbuf);
return (size_t)-1;
} else {
@@ -237,10 +237,11 @@ convert:
* @param destlen maximal length allowed for string
* @returns the number of bytes occupied in the destination
**/
-_PUBLIC_ ssize_t convert_string_convenience(struct smb_iconv_convenience *ic,
+_PUBLIC_ bool convert_string_convenience(struct smb_iconv_convenience *ic,
charset_t from, charset_t to,
void const *src, size_t srclen,
- void *dest, size_t destlen, bool allow_badcharcnv)
+ void *dest, size_t destlen, size_t *converted_size,
+ bool allow_badcharcnv)
{
size_t i_len, o_len;
size_t retval;
@@ -249,7 +250,8 @@ _PUBLIC_ ssize_t convert_string_convenience(struct smb_iconv_convenience *ic,
smb_iconv_t descriptor;
if (allow_badcharcnv) {
- return -1;
+ /* Not implemented yet */
+ return false;
}
if (srclen == (size_t)-1)
@@ -261,7 +263,8 @@ _PUBLIC_ ssize_t convert_string_convenience(struct smb_iconv_convenience *ic,
/* conversion not supported, use as is */
size_t len = MIN(srclen,destlen);
memcpy(dest,src,len);
- return len;
+ *converted_size = len;
+ return true;
}
i_len=srclen;
@@ -272,7 +275,7 @@ _PUBLIC_ ssize_t convert_string_convenience(struct smb_iconv_convenience *ic,
switch(errno) {
case EINVAL:
reason="Incomplete multibyte sequence";
- return -1;
+ return false;
case E2BIG:
reason="No more room";
if (from == CH_UNIX) {
@@ -285,14 +288,16 @@ _PUBLIC_ ssize_t convert_string_convenience(struct smb_iconv_convenience *ic,
charset_name(ic, from), charset_name(ic, to),
(int)srclen, (int)destlen));
}
- return -1;
+ return false;
case EILSEQ:
reason="Illegal multibyte sequence";
- return -1;
+ return false;
}
/* smb_panic(reason); */
}
- return destlen-o_len;
+ if (converted_size != NULL)
+ *converted_size = destlen-o_len;
+ return true;
}
/**
@@ -305,21 +310,23 @@ _PUBLIC_ ssize_t convert_string_convenience(struct smb_iconv_convenience *ic,
* @returns Size in bytes of the converted string; or -1 in case of error.
**/
-_PUBLIC_ ssize_t convert_string_talloc_convenience(TALLOC_CTX *ctx,
+_PUBLIC_ bool convert_string_talloc_convenience(TALLOC_CTX *ctx,
struct smb_iconv_convenience *ic,
charset_t from, charset_t to,
void const *src, size_t srclen,
- void **dest, bool allow_badcharcnv)
+ void **dest, size_t *converted_size,
+ bool allow_badcharcnv)
{
smb_iconv_t descriptor;
+ ssize_t ret;
if (allow_badcharcnv)
- return (size_t)-1;
+ return false; /* Not implemented yet */
*dest = NULL;
if (src == NULL || srclen == (size_t)-1 || srclen == 0)
- return (size_t)-1;
+ return false;
descriptor = get_conv_handle(ic, from, to);
@@ -328,10 +335,15 @@ _PUBLIC_ ssize_t convert_string_talloc_convenience(TALLOC_CTX *ctx,
DEBUG(3, ("convert_string_talloc: conversion from %s to %s not supported!\n",
charset_name(ic, from),
charset_name(ic, to)));
- return -1;
+ return false;
}
- return iconv_talloc(ctx, descriptor, src, srclen, dest);
+ ret = iconv_talloc(ctx, descriptor, src, srclen, dest);
+ if (ret == -1)
+ return false;
+ if (converted_size != NULL)
+ *converted_size = ret;
+ return true;
}
/*
diff --git a/lib/util/charset/charset.h b/lib/util/charset/charset.h
index 3acdde30ad..1f24f8985f 100644
--- a/lib/util/charset/charset.h
+++ b/lib/util/charset/charset.h
@@ -115,10 +115,11 @@ ssize_t pull_utf8_talloc(TALLOC_CTX *ctx, char **dest, const char *src);
ssize_t push_string(void *dest, const char *src, size_t dest_len, int flags);
ssize_t pull_string(char *dest, const void *src, size_t dest_len, size_t src_len, int flags);
-ssize_t convert_string_talloc(TALLOC_CTX *ctx,
+bool convert_string_talloc(TALLOC_CTX *ctx,
charset_t from, charset_t to,
void const *src, size_t srclen,
- void **dest, bool allow_badcharcnv);
+ void **dest, size_t *converted_size,
+ bool allow_badcharcnv);
size_t convert_string(charset_t from, charset_t to,
void const *src, size_t srclen,
@@ -148,15 +149,16 @@ struct smb_iconv_convenience *smb_iconv_convenience_init(TALLOC_CTX *mem_ctx,
const char *unix_charset,
bool native_iconv);
-ssize_t convert_string_convenience(struct smb_iconv_convenience *ic,
+bool convert_string_convenience(struct smb_iconv_convenience *ic,
charset_t from, charset_t to,
void const *src, size_t srclen,
- void *dest, size_t destlen, bool allow_badcharcnv);
-ssize_t convert_string_talloc_convenience(TALLOC_CTX *ctx,
+ void *dest, size_t destlen, size_t *converted_size,
+ bool allow_badcharcnv);
+bool convert_string_talloc_convenience(TALLOC_CTX *ctx,
struct smb_iconv_convenience *ic,
charset_t from, charset_t to,
void const *src, size_t srclen,
- void **dest, bool allow_badcharcnv);
+ void **dest, size_t *converted_size, bool allow_badcharcnv);
/* iconv */
smb_iconv_t smb_iconv_open(const char *tocode, const char *fromcode);
int smb_iconv_close(smb_iconv_t cd);
diff --git a/lib/util/charset/tests/iconv.c b/lib/util/charset/tests/iconv.c
index fbe7b103ab..091876f63b 100644
--- a/lib/util/charset/tests/iconv.c
+++ b/lib/util/charset/tests/iconv.c
@@ -404,12 +404,12 @@ static bool test_string2key(struct torture_context *tctx)
uint16_t *buf;
char *dest = NULL;
TALLOC_CTX *mem_ctx = talloc_new(tctx);
- ssize_t ret;
size_t len = (random()%1000)+1;
const uint16_t in1[10] = { 'a', 0xd805, 'b', 0xdcf0, 'c', 0, 'd', 'e', 'f', 'g' };
uint8_t le1[20];
uint8_t *munged1;
uint8_t *out1;
+ size_t ret;
int i;
const char *correct = "a\357\277\275b\357\277\275c\001defg";
@@ -418,8 +418,7 @@ static bool test_string2key(struct torture_context *tctx)
torture_comment(tctx, "converting random buffer\n");
- ret = convert_string_talloc(mem_ctx, CH_UTF16MUNGED, CH_UTF8, (void *)buf, len*2, (void**)&dest, false);
- if (ret == -1) {
+ if (!convert_string_talloc(mem_ctx, CH_UTF16MUNGED, CH_UTF8, (void *)buf, len*2, (void**)&dest, &ret, false)) {
torture_fail(tctx, "Failed to convert random buffer\n");
}
@@ -429,8 +428,7 @@ static bool test_string2key(struct torture_context *tctx)
torture_comment(tctx, "converting fixed buffer to UTF16\n");
- ret = convert_string_talloc(mem_ctx, CH_UTF16MUNGED, CH_UTF16, (void *)le1, 20, (void**)&munged1, false);
- if (ret == -1) {
+ if (!convert_string_talloc(mem_ctx, CH_UTF16MUNGED, CH_UTF16, (void *)le1, 20, (void**)&munged1, &ret, false)) {
torture_fail(tctx, "Failed to convert fixed buffer to UTF16_MUNGED\n");
}
@@ -438,8 +436,7 @@ static bool test_string2key(struct torture_context *tctx)
torture_comment(tctx, "converting fixed buffer to UTF8\n");
- ret = convert_string_talloc(mem_ctx, CH_UTF16MUNGED, CH_UTF8, (void *)le1, 20, (void**)&out1, false);
- if (ret == -1) {
+ if (!convert_string_talloc(mem_ctx, CH_UTF16MUNGED, CH_UTF8, (void *)le1, 20, (void**)&out1, &ret, false)) {
torture_fail(tctx, "Failed to convert fixed buffer to UTF8\n");
}
diff --git a/lib/util/charset/util_unistr.c b/lib/util/charset/util_unistr.c
index 96c987393f..13178ea5cc 100644
--- a/lib/util/charset/util_unistr.c
+++ b/lib/util/charset/util_unistr.c
@@ -670,9 +670,11 @@ static ssize_t push_ascii(void *dest, const char *src, size_t dest_len, int flag
**/
_PUBLIC_ ssize_t push_ascii_talloc(TALLOC_CTX *ctx, char **dest, const char *src)
{
- size_t src_len = strlen(src)+1;
+ size_t src_len = strlen(src)+1, ret;
*dest = NULL;
- return convert_string_talloc(ctx, CH_UNIX, CH_DOS, src, src_len, (void **)dest, false);
+ if (!convert_string_talloc(ctx, CH_UNIX, CH_DOS, src, src_len, (void **)dest, &ret, false))
+ return -1;
+ return (ssize_t)ret;
}
@@ -781,9 +783,11 @@ static ssize_t push_ucs2(void *dest, const char *src, size_t dest_len, int flags
**/
_PUBLIC_ ssize_t push_ucs2_talloc(TALLOC_CTX *ctx, void **dest, const char *src)
{
- size_t src_len = strlen(src)+1;
+ size_t src_len = strlen(src)+1, ret;
*dest = NULL;
- return convert_string_talloc(ctx, CH_UNIX, CH_UTF16, src, src_len, dest, false);
+ if (!convert_string_talloc(ctx, CH_UNIX, CH_UTF16, src, src_len, dest, &ret, false))
+ return -1;
+ return ret;
}
@@ -797,9 +801,11 @@ _PUBLIC_ ssize_t push_ucs2_talloc(TALLOC_CTX *ctx, void **dest, const char *src)
_PUBLIC_ ssize_t push_utf8_talloc(TALLOC_CTX *ctx, char **dest, const char *src)
{
- size_t src_len = strlen(src)+1;
+ size_t src_len = strlen(src)+1, ret;
*dest = NULL;
- return convert_string_talloc(ctx, CH_UNIX, CH_UTF8, src, src_len, (void **)dest, false);
+ if (!convert_string_talloc(ctx, CH_UNIX, CH_UTF8, src, src_len, (void **)dest, &ret, false))
+ return -1;
+ return ret;
}
/**
@@ -852,9 +858,11 @@ static size_t pull_ucs2(char *dest, const void *src, size_t dest_len, size_t src
_PUBLIC_ ssize_t pull_ascii_talloc(TALLOC_CTX *ctx, char **dest, const char *src)
{
- size_t src_len = strlen(src)+1;
+ size_t src_len = strlen(src)+1, ret;
*dest = NULL;
- return convert_string_talloc(ctx, CH_DOS, CH_UNIX, src, src_len, (void **)dest, false);
+ if (!convert_string_talloc(ctx, CH_DOS, CH_UNIX, src, src_len, (void **)dest, &ret, false))
+ return -1;
+ return ret;
}
/**
@@ -867,9 +875,11 @@ _PUBLIC_ ssize_t pull_ascii_talloc(TALLOC_CTX *ctx, char **dest, const char *src
_PUBLIC_ ssize_t pull_ucs2_talloc(TALLOC_CTX *ctx, char **dest, const void *src)
{
- size_t src_len = utf16_len(src);
+ size_t src_len = utf16_len(src), ret;
*dest = NULL;
- return convert_string_talloc(ctx, CH_UTF16, CH_UNIX, src, src_len, (void **)dest, false);
+ if (!convert_string_talloc(ctx, CH_UTF16, CH_UNIX, src, src_len, (void **)dest, &ret, false))
+ return -1;
+ return ret;
}
/**
@@ -882,9 +892,11 @@ _PUBLIC_ ssize_t pull_ucs2_talloc(TALLOC_CTX *ctx, char **dest, const void *src)
_PUBLIC_ ssize_t pull_utf8_talloc(TALLOC_CTX *ctx, char **dest, const char *src)
{
- size_t src_len = strlen(src)+1;
+ size_t src_len = strlen(src)+1, ret;
*dest = NULL;
- return convert_string_talloc(ctx, CH_UTF8, CH_UNIX, src, src_len, (void **)dest, false);
+ if (!convert_string_talloc(ctx, CH_UTF8, CH_UNIX, src, src_len, (void **)dest, &ret, false))
+ return -1;
+ return ret;
}
/**
@@ -952,11 +964,16 @@ _PUBLIC_ ssize_t pull_string(char *dest, const void *src, size_t dest_len, size_
**/
_PUBLIC_ size_t convert_string(charset_t from, charset_t to,
void const *src, size_t srclen,
- void *dest, size_t destlen, bool allow_badcharcnv)
+ void *dest, size_t destlen,
+ bool allow_badcharcnv)
{
- return convert_string_convenience(get_iconv_convenience(), from, to,
+ size_t ret;
+ if (!convert_string_convenience(get_iconv_convenience(), from, to,
src, srclen,
- dest, destlen, allow_badcharcnv);
+ dest, destlen, &ret,
+ allow_badcharcnv))
+ return -1;
+ return ret;
}
/**
@@ -964,18 +981,21 @@ _PUBLIC_ size_t convert_string(charset_t from, charset_t to,
*
* @param srclen length of source buffer.
* @param dest always set at least to NULL
+ * @param converted_size Size in bytes of the converted string
* @note -1 is not accepted for srclen.
*
- * @returns Size in bytes of the converted string; or -1 in case of error.
+ * @returns boolean indication whether the conversion succeeded
**/
-_PUBLIC_ ssize_t convert_string_talloc(TALLOC_CTX *ctx,
+_PUBLIC_ bool convert_string_talloc(TALLOC_CTX *ctx,
charset_t from, charset_t to,
void const *src, size_t srclen,
- void **dest, bool allow_badcharcnv)
+ void **dest, size_t *converted_size,
+ bool allow_badcharcnv)
{
return convert_string_talloc_convenience(ctx, get_iconv_convenience(),
from, to, src, srclen, dest,
+ converted_size,
allow_badcharcnv);
}
generated by cgit (git 2.34.1) at 2024-12-04 01:02:45 +0000