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authorJörg Frings-Fürst <debian@jff-webhsoting.net>2018-11-16 07:14:58 +0100
committerJörg Frings-Fürst <debian@jff-webhsoting.net>2018-11-16 07:14:58 +0100
commit37162209a3da8812203022de6b81e4f05015043a (patch)
tree19d8a4b4a3e6cd31c64c608b46c6fe710f8e6eb8 /src/UriQuery.c
parent21ce7e27a89c3f9c2fb4bc8bd59877dc2d8cd6b9 (diff)
New upstream version 0.9.0upstream/0.9.0
Diffstat (limited to 'src/UriQuery.c')
-rw-r--r--src/UriQuery.c107
1 files changed, 74 insertions, 33 deletions
diff --git a/src/UriQuery.c b/src/UriQuery.c
index f0cd4f8..326e963 100644
--- a/src/UriQuery.c
+++ b/src/UriQuery.c
@@ -64,10 +64,15 @@
#ifndef URI_DOXYGEN
# include <uriparser/Uri.h>
# include "UriCommon.h"
+# include "UriMemory.h"
#endif
+#include <limits.h>
+
+
+
static int URI_FUNC(ComposeQueryEngine)(URI_CHAR * dest,
const URI_TYPE(QueryList) * queryList,
int maxChars, int * charsWritten, int * charsRequired,
@@ -76,7 +81,8 @@ static int URI_FUNC(ComposeQueryEngine)(URI_CHAR * dest,
static UriBool URI_FUNC(AppendQueryItem)(URI_TYPE(QueryList) ** prevNext,
int * itemCount, const URI_CHAR * keyFirst, const URI_CHAR * keyAfter,
const URI_CHAR * valueFirst, const URI_CHAR * valueAfter,
- UriBool plusToSpace, UriBreakConversion breakConversion);
+ UriBool plusToSpace, UriBreakConversion breakConversion,
+ UriMemoryManager * memory);
@@ -145,6 +151,16 @@ int URI_FUNC(ComposeQueryMalloc)(URI_CHAR ** dest,
int URI_FUNC(ComposeQueryMallocEx)(URI_CHAR ** dest,
const URI_TYPE(QueryList) * queryList,
UriBool spaceToPlus, UriBool normalizeBreaks) {
+ return URI_FUNC(ComposeQueryMallocExMm)(dest, queryList, spaceToPlus,
+ normalizeBreaks, NULL);
+}
+
+
+
+int URI_FUNC(ComposeQueryMallocExMm)(URI_CHAR ** dest,
+ const URI_TYPE(QueryList) * queryList,
+ UriBool spaceToPlus, UriBool normalizeBreaks,
+ UriMemoryManager * memory) {
int charsRequired;
int res;
URI_CHAR * queryString;
@@ -153,6 +169,8 @@ int URI_FUNC(ComposeQueryMallocEx)(URI_CHAR ** dest,
return URI_ERROR_NULL;
}
+ URI_CHECK_MEMORY_MANAGER(memory); /* may return */
+
/* Calculate space */
res = URI_FUNC(ComposeQueryCharsRequiredEx)(queryList, &charsRequired,
spaceToPlus, normalizeBreaks);
@@ -162,7 +180,7 @@ int URI_FUNC(ComposeQueryMallocEx)(URI_CHAR ** dest,
charsRequired++;
/* Allocate space */
- queryString = malloc(charsRequired * sizeof(URI_CHAR));
+ queryString = memory->malloc(memory, charsRequired * sizeof(URI_CHAR));
if (queryString == NULL) {
return URI_ERROR_MALLOC;
}
@@ -171,7 +189,7 @@ int URI_FUNC(ComposeQueryMallocEx)(URI_CHAR ** dest,
res = URI_FUNC(ComposeQueryEx)(queryString, queryList, charsRequired,
NULL, spaceToPlus, normalizeBreaks);
if (res != URI_SUCCESS) {
- free(queryString);
+ memory->free(memory, queryString);
return res;
}
@@ -186,7 +204,7 @@ int URI_FUNC(ComposeQueryEngine)(URI_CHAR * dest,
int maxChars, int * charsWritten, int * charsRequired,
UriBool spaceToPlus, UriBool normalizeBreaks) {
UriBool firstItem = URI_TRUE;
- int ampersandLen = 0;
+ int ampersandLen = 0; /* increased to 1 from second item on */
URI_CHAR * write = dest;
/* Subtract terminator */
@@ -195,46 +213,48 @@ int URI_FUNC(ComposeQueryEngine)(URI_CHAR * dest,
} else {
maxChars--;
}
-
+
while (queryList != NULL) {
const URI_CHAR * const key = queryList->key;
const URI_CHAR * const value = queryList->value;
const int worstCase = (normalizeBreaks == URI_TRUE ? 6 : 3);
const int keyLen = (key == NULL) ? 0 : (int)URI_STRLEN(key);
- const int keyRequiredChars = worstCase * keyLen;
+ int keyRequiredChars;
const int valueLen = (value == NULL) ? 0 : (int)URI_STRLEN(value);
- const int valueRequiredChars = worstCase * valueLen;
+ int valueRequiredChars;
+
+ if ((keyLen >= INT_MAX / worstCase) || (valueLen >= INT_MAX / worstCase)) {
+ return URI_ERROR_OUTPUT_TOO_LARGE;
+ }
+ keyRequiredChars = worstCase * keyLen;
+ valueRequiredChars = worstCase * valueLen;
if (dest == NULL) {
+ (*charsRequired) += ampersandLen + keyRequiredChars + ((value == NULL)
+ ? 0
+ : 1 + valueRequiredChars);
+
if (firstItem == URI_TRUE) {
ampersandLen = 1;
firstItem = URI_FALSE;
}
-
- (*charsRequired) += ampersandLen + keyRequiredChars + ((value == NULL)
- ? 0
- : 1 + valueRequiredChars);
} else {
- URI_CHAR * afterKey;
-
if ((write - dest) + ampersandLen + keyRequiredChars > maxChars) {
return URI_ERROR_OUTPUT_TOO_LARGE;
}
/* Copy key */
if (firstItem == URI_TRUE) {
+ ampersandLen = 1;
firstItem = URI_FALSE;
} else {
write[0] = _UT('&');
write++;
}
- afterKey = URI_FUNC(EscapeEx)(key, key + keyLen,
+ write = URI_FUNC(EscapeEx)(key, key + keyLen,
write, spaceToPlus, normalizeBreaks);
- write += (afterKey - write);
if (value != NULL) {
- URI_CHAR * afterValue;
-
if ((write - dest) + 1 + valueRequiredChars > maxChars) {
return URI_ERROR_OUTPUT_TOO_LARGE;
}
@@ -242,9 +262,8 @@ int URI_FUNC(ComposeQueryEngine)(URI_CHAR * dest,
/* Copy value */
write[0] = _UT('=');
write++;
- afterValue = URI_FUNC(EscapeEx)(value, value + valueLen,
+ write = URI_FUNC(EscapeEx)(value, value + valueLen,
write, spaceToPlus, normalizeBreaks);
- write += (afterValue - write);
}
}
@@ -266,7 +285,8 @@ int URI_FUNC(ComposeQueryEngine)(URI_CHAR * dest,
UriBool URI_FUNC(AppendQueryItem)(URI_TYPE(QueryList) ** prevNext,
int * itemCount, const URI_CHAR * keyFirst, const URI_CHAR * keyAfter,
const URI_CHAR * valueFirst, const URI_CHAR * valueAfter,
- UriBool plusToSpace, UriBreakConversion breakConversion) {
+ UriBool plusToSpace, UriBreakConversion breakConversion,
+ UriMemoryManager * memory) {
const int keyLen = (int)(keyAfter - keyFirst);
const int valueLen = (int)(valueAfter - valueFirst);
URI_CHAR * key;
@@ -281,7 +301,7 @@ UriBool URI_FUNC(AppendQueryItem)(URI_TYPE(QueryList) ** prevNext,
}
/* Append new empty item */
- *prevNext = malloc(1 * sizeof(URI_TYPE(QueryList)));
+ *prevNext = memory->malloc(memory, 1 * sizeof(URI_TYPE(QueryList)));
if (*prevNext == NULL) {
return URI_FALSE; /* Raises malloc error */
}
@@ -289,9 +309,9 @@ UriBool URI_FUNC(AppendQueryItem)(URI_TYPE(QueryList) ** prevNext,
/* Fill key */
- key = malloc((keyLen + 1) * sizeof(URI_CHAR));
+ key = memory->malloc(memory, (keyLen + 1) * sizeof(URI_CHAR));
if (key == NULL) {
- free(*prevNext);
+ memory->free(memory, *prevNext);
*prevNext = NULL;
return URI_FALSE; /* Raises malloc error */
}
@@ -309,10 +329,10 @@ UriBool URI_FUNC(AppendQueryItem)(URI_TYPE(QueryList) ** prevNext,
/* Fill value */
if (valueFirst != NULL) {
- value = malloc((valueLen + 1) * sizeof(URI_CHAR));
+ value = memory->malloc(memory, (valueLen + 1) * sizeof(URI_CHAR));
if (value == NULL) {
- free(key);
- free(*prevNext);
+ memory->free(memory, key);
+ memory->free(memory, *prevNext);
*prevNext = NULL;
return URI_FALSE; /* Raises malloc error */
}
@@ -338,13 +358,22 @@ UriBool URI_FUNC(AppendQueryItem)(URI_TYPE(QueryList) ** prevNext,
void URI_FUNC(FreeQueryList)(URI_TYPE(QueryList) * queryList) {
+ URI_FUNC(FreeQueryListMm)(queryList, NULL);
+}
+
+
+
+int URI_FUNC(FreeQueryListMm)(URI_TYPE(QueryList) * queryList,
+ UriMemoryManager * memory) {
+ URI_CHECK_MEMORY_MANAGER(memory); /* may return */
while (queryList != NULL) {
URI_TYPE(QueryList) * nextBackup = queryList->next;
- free((URI_CHAR *)queryList->key); /* const cast */
- free((URI_CHAR *)queryList->value); /* const cast */
- free(queryList);
+ memory->free(memory, (URI_CHAR *)queryList->key); /* const cast */
+ memory->free(memory, (URI_CHAR *)queryList->value); /* const cast */
+ memory->free(memory, queryList);
queryList = nextBackup;
}
+ return URI_SUCCESS;
}
@@ -363,6 +392,16 @@ int URI_FUNC(DissectQueryMalloc)(URI_TYPE(QueryList) ** dest, int * itemCount,
int URI_FUNC(DissectQueryMallocEx)(URI_TYPE(QueryList) ** dest, int * itemCount,
const URI_CHAR * first, const URI_CHAR * afterLast,
UriBool plusToSpace, UriBreakConversion breakConversion) {
+ return URI_FUNC(DissectQueryMallocExMm)(dest, itemCount, first, afterLast,
+ plusToSpace, breakConversion, NULL);
+}
+
+
+
+int URI_FUNC(DissectQueryMallocExMm)(URI_TYPE(QueryList) ** dest, int * itemCount,
+ const URI_CHAR * first, const URI_CHAR * afterLast,
+ UriBool plusToSpace, UriBreakConversion breakConversion,
+ UriMemoryManager * memory) {
const URI_CHAR * walk = first;
const URI_CHAR * keyFirst = first;
const URI_CHAR * keyAfter = NULL;
@@ -380,6 +419,8 @@ int URI_FUNC(DissectQueryMallocEx)(URI_TYPE(QueryList) ** dest, int * itemCount,
return URI_ERROR_RANGE_INVALID;
}
+ URI_CHECK_MEMORY_MANAGER(memory); /* may return */
+
*dest = NULL;
*itemsAppended = 0;
@@ -395,11 +436,11 @@ int URI_FUNC(DissectQueryMallocEx)(URI_TYPE(QueryList) ** dest, int * itemCount,
if (URI_FUNC(AppendQueryItem)(prevNext, itemsAppended,
keyFirst, keyAfter, valueFirst, valueAfter,
- plusToSpace, breakConversion)
+ plusToSpace, breakConversion, memory)
== URI_FALSE) {
/* Free list we built */
*itemsAppended = 0;
- URI_FUNC(FreeQueryList)(*dest);
+ URI_FUNC(FreeQueryListMm)(*dest, memory);
return URI_ERROR_MALLOC;
}
@@ -444,11 +485,11 @@ int URI_FUNC(DissectQueryMallocEx)(URI_TYPE(QueryList) ** dest, int * itemCount,
}
if (URI_FUNC(AppendQueryItem)(prevNext, itemsAppended, keyFirst, keyAfter,
- valueFirst, valueAfter, plusToSpace, breakConversion)
+ valueFirst, valueAfter, plusToSpace, breakConversion, memory)
== URI_FALSE) {
/* Free list we built */
*itemsAppended = 0;
- URI_FUNC(FreeQueryList)(*dest);
+ URI_FUNC(FreeQueryListMm)(*dest, memory);
return URI_ERROR_MALLOC;
}