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-rw-r--r--src/xplist.c111
1 files changed, 66 insertions, 45 deletions
diff --git a/src/xplist.c b/src/xplist.c
index 9dd43fe..1fc3fc1 100644
--- a/src/xplist.c
+++ b/src/xplist.c
@@ -47,17 +47,26 @@
#include "strbuf.h"
#include "time64.h"
-#define XPLIST_TEXT "text"
#define XPLIST_KEY "key"
+#define XPLIST_KEY_LEN 3
#define XPLIST_FALSE "false"
+#define XPLIST_FALSE_LEN 5
#define XPLIST_TRUE "true"
+#define XPLIST_TRUE_LEN 4
#define XPLIST_INT "integer"
+#define XPLIST_INT_LEN 7
#define XPLIST_REAL "real"
+#define XPLIST_REAL_LEN 4
#define XPLIST_DATE "date"
+#define XPLIST_DATE_LEN 4
#define XPLIST_DATA "data"
+#define XPLIST_DATA_LEN 4
#define XPLIST_STRING "string"
+#define XPLIST_STRING_LEN 6
#define XPLIST_ARRAY "array"
+#define XPLIST_ARRAY_LEN 5
#define XPLIST_DICT "dict"
+#define XPLIST_DICT_LEN 4
#define MAC_EPOCH 978307200
@@ -89,7 +98,7 @@ void plist_xml_deinit(void)
/* deinit XML stuff */
}
-static void dtostr(char *buf, size_t bufsize, double realval)
+static size_t dtostr(char *buf, size_t bufsize, double realval)
{
double f = realval;
double ip = 0.0;
@@ -100,7 +109,7 @@ static void dtostr(char *buf, size_t bufsize, double realval)
f = modf(f, &ip);
len = snprintf(buf, bufsize, "%s%"PRIi64, ((f < 0) && (ip >= 0)) ? "-" : "", (int64_t)ip);
if (len >= bufsize) {
- return;
+ return 0;
}
if (f < 0) {
@@ -117,6 +126,7 @@ static void dtostr(char *buf, size_t bufsize, double realval)
buf[p++] = (v + 0x30);
}
buf[p] = '\0';
+ return p;
}
static void node_to_xml(node_t* node, bytearray_t **outbuf, uint32_t depth)
@@ -127,7 +137,9 @@ static void node_to_xml(node_t* node, bytearray_t **outbuf, uint32_t depth)
char tagOpen = FALSE;
const char *tag = NULL;
+ size_t tag_len = 0;
char *val = NULL;
+ size_t val_len = 0;
uint32_t i = 0;
@@ -140,53 +152,64 @@ static void node_to_xml(node_t* node, bytearray_t **outbuf, uint32_t depth)
{
case PLIST_BOOLEAN:
{
- if (node_data->boolval)
+ if (node_data->boolval) {
tag = XPLIST_TRUE;
- else
+ tag_len = XPLIST_TRUE_LEN;
+ } else {
tag = XPLIST_FALSE;
+ tag_len = XPLIST_FALSE_LEN;
+ }
}
break;
case PLIST_UINT:
tag = XPLIST_INT;
+ tag_len = XPLIST_INT_LEN;
val = (char*)malloc(64);
if (node_data->length == 16) {
- (void)snprintf(val, 64, "%"PRIu64, node_data->intval);
- } else {
- (void)snprintf(val, 64, "%"PRIi64, node_data->intval);
- }
+ val_len = snprintf(val, 64, "%"PRIu64, node_data->intval);
+ } else {
+ val_len = snprintf(val, 64, "%"PRIi64, node_data->intval);
+ }
break;
case PLIST_REAL:
tag = XPLIST_REAL;
+ tag_len = XPLIST_REAL_LEN;
val = (char*)malloc(64);
- dtostr(val, 64, node_data->realval);
+ val_len = dtostr(val, 64, node_data->realval);
break;
case PLIST_STRING:
tag = XPLIST_STRING;
+ tag_len = XPLIST_STRING_LEN;
/* contents processed directly below */
break;
case PLIST_KEY:
tag = XPLIST_KEY;
+ tag_len = XPLIST_KEY_LEN;
/* contents processed directly below */
break;
case PLIST_DATA:
tag = XPLIST_DATA;
+ tag_len = XPLIST_DATA_LEN;
/* contents processed directly below */
break;
case PLIST_ARRAY:
tag = XPLIST_ARRAY;
+ tag_len = XPLIST_ARRAY_LEN;
isStruct = TRUE;
break;
case PLIST_DICT:
tag = XPLIST_DICT;
+ tag_len = XPLIST_DICT_LEN;
isStruct = TRUE;
break;
case PLIST_DATE:
tag = XPLIST_DATE;
+ tag_len = XPLIST_DATE_LEN;
{
Time64_T timev = (Time64_T)node_data->realval + MAC_EPOCH;
struct TM _btime;
@@ -196,7 +219,8 @@ static void node_to_xml(node_t* node, bytearray_t **outbuf, uint32_t depth)
memset(val, 0, 24);
struct tm _tmcopy;
copy_TM64_to_tm(btime, &_tmcopy);
- if (strftime(val, 24, "%Y-%m-%dT%H:%M:%SZ", &_tmcopy) <= 0) {
+ val_len = strftime(val, 24, "%Y-%m-%dT%H:%M:%SZ", &_tmcopy);
+ if (val_len <= 0) {
free (val);
val = NULL;
}
@@ -205,12 +229,13 @@ static void node_to_xml(node_t* node, bytearray_t **outbuf, uint32_t depth)
break;
case PLIST_UID:
tag = XPLIST_DICT;
+ tag_len = XPLIST_DICT_LEN;
val = (char*)malloc(64);
if (node_data->length == 16) {
- (void)snprintf(val, 64, "%"PRIu64, node_data->intval);
- } else {
- (void)snprintf(val, 64, "%"PRIi64, node_data->intval);
- }
+ val_len = snprintf(val, 64, "%"PRIu64, node_data->intval);
+ } else {
+ val_len = snprintf(val, 64, "%"PRIi64, node_data->intval);
+ }
break;
default:
break;
@@ -222,7 +247,7 @@ static void node_to_xml(node_t* node, bytearray_t **outbuf, uint32_t depth)
/* append tag */
str_buf_append(*outbuf, "<", 1);
- str_buf_append(*outbuf, tag, strlen(tag));
+ str_buf_append(*outbuf, tag, tag_len);
if (node_data->type == PLIST_STRING || node_data->type == PLIST_KEY) {
size_t j;
size_t len;
@@ -233,8 +258,8 @@ static void node_to_xml(node_t* node, bytearray_t **outbuf, uint32_t depth)
tagOpen = TRUE;
/* make sure we convert the following predefined xml entities */
- /* < = &lt; > = &gt; ' = &apos; " = &quot; & = &amp; */
- len = strlen(node_data->strval);
+ /* < = &lt; > = &gt; & = &amp; */
+ len = node_data->length;
for (j = 0; j < len; j++) {
switch (node_data->strval[j]) {
case '<':
@@ -302,7 +327,7 @@ static void node_to_xml(node_t* node, bytearray_t **outbuf, uint32_t depth)
str_buf_append(*outbuf, "\t", 1);
}
str_buf_append(*outbuf, "<integer>", 9);
- str_buf_append(*outbuf, val, strlen(val));
+ str_buf_append(*outbuf, val, val_len);
str_buf_append(*outbuf, "</integer>", 10);
str_buf_append(*outbuf, "\n", 1);
@@ -312,7 +337,7 @@ static void node_to_xml(node_t* node, bytearray_t **outbuf, uint32_t depth)
} else if (val) {
str_buf_append(*outbuf, ">", 1);
tagOpen = TRUE;
- str_buf_append(*outbuf, val, strlen(val));
+ str_buf_append(*outbuf, val, val_len);
} else if (isStruct) {
tagOpen = TRUE;
str_buf_append(*outbuf, ">", 1);
@@ -345,7 +370,7 @@ static void node_to_xml(node_t* node, bytearray_t **outbuf, uint32_t depth)
if (tagOpen) {
/* add closing tag */
str_buf_append(*outbuf, "</", 2);
- str_buf_append(*outbuf, tag, strlen(tag));
+ str_buf_append(*outbuf, tag, tag_len);
str_buf_append(*outbuf, ">", 1);
}
str_buf_append(*outbuf, "\n", 1);
@@ -419,9 +444,8 @@ static void find_char(parse_ctx ctx, char c, int skip_quotes)
}
}
-static void find_str(parse_ctx ctx, const char *str, int skip_quotes)
+static void find_str(parse_ctx ctx, const char *str, size_t len, int skip_quotes)
{
- size_t len = strlen(str);
while (ctx->pos < (ctx->end - len)) {
if (!strncmp(ctx->pos, str, len)) {
break;
@@ -438,9 +462,8 @@ static void find_str(parse_ctx ctx, const char *str, int skip_quotes)
}
}
-static void find_next(parse_ctx ctx, const char *nextchars, int skip_quotes)
+static void find_next(parse_ctx ctx, const char *nextchars, int numchars, int skip_quotes)
{
- int numchars = strlen(nextchars);
int i = 0;
while (ctx->pos < ctx->end) {
if (skip_quotes && (*(ctx->pos) == '"')) {
@@ -493,11 +516,10 @@ static text_part_t* text_part_append(text_part_t* parts, const char *begin, size
return newpart;
}
-static text_part_t* get_text_parts(parse_ctx ctx, const char* tag, int skip_ws, text_part_t *parts)
+static text_part_t* get_text_parts(parse_ctx ctx, const char* tag, size_t tag_len, int skip_ws, text_part_t *parts)
{
const char *p = NULL;
const char *q = NULL;
- int taglen = 0;
text_part_t *last = NULL;
if (skip_ws) {
@@ -527,7 +549,7 @@ static text_part_t* get_text_parts(parse_ctx ctx, const char* tag, int skip_ws,
last = text_part_init(parts, p, q-p, 0);
}
ctx->pos += 2;
- find_str(ctx, "-->", 0);
+ find_str(ctx, "-->", 3, 0);
if (ctx->pos >= ctx->end || strncmp(ctx->pos, "-->", 3) != 0) {
PLIST_XML_ERR("EOF while looking for end of comment\n");
ctx->err++;
@@ -551,7 +573,7 @@ static text_part_t* get_text_parts(parse_ctx ctx, const char* tag, int skip_ws,
}
ctx->pos+=6;
p = ctx->pos;
- find_str(ctx, "]]>", 0);
+ find_str(ctx, "]]>", 3, 0);
if (ctx->pos >= ctx->end || strncmp(ctx->pos, "]]>", 3) != 0) {
PLIST_XML_ERR("EOF while looking for end of CDATA block\n");
ctx->err++;
@@ -579,13 +601,12 @@ static text_part_t* get_text_parts(parse_ctx ctx, const char* tag, int skip_ws,
}
} while (1);
ctx->pos++;
- taglen = strlen(tag);
- if (ctx->pos >= ctx->end-taglen || strncmp(ctx->pos, tag, taglen)) {
+ if (ctx->pos >= ctx->end-tag_len || strncmp(ctx->pos, tag, tag_len)) {
PLIST_XML_ERR("EOF or end tag mismatch\n");
ctx->err++;
return NULL;
}
- ctx->pos+=taglen;
+ ctx->pos+=tag_len;
if (ctx->pos >= ctx->end || *ctx->pos != '>') {
PLIST_XML_ERR("EOF or no '>' after tag name\n");
ctx->err++;
@@ -760,7 +781,7 @@ static void node_from_xml(parse_ctx ctx, plist_t *plist)
}
if (*(ctx->pos) == '?') {
- find_str(ctx, "?>", 1);
+ find_str(ctx, "?>", 2, 1);
if (ctx->pos >= ctx->end) {
break;
}
@@ -775,7 +796,7 @@ static void node_from_xml(parse_ctx ctx, plist_t *plist)
/* comment or DTD */
if (((ctx->end - ctx->pos) > 3) && !strncmp(ctx->pos, "!--", 3)) {
ctx->pos += 3;
- find_str(ctx,"-->", 0);
+ find_str(ctx,"-->", 3, 0);
if (strncmp(ctx->pos, "-->", 3)) {
PLIST_XML_ERR("Couldn't find end of comment\n");
ctx->pos = ctx->end;
@@ -786,7 +807,7 @@ static void node_from_xml(parse_ctx ctx, plist_t *plist)
int embedded_dtd = 0;
ctx->pos+=8;
while (ctx->pos < ctx->end) {
- find_next(ctx, " \t\r\n[>", 1);
+ find_next(ctx, " \t\r\n[>", 6, 1);
if (*ctx->pos == '[') {
embedded_dtd = 1;
break;
@@ -799,7 +820,7 @@ static void node_from_xml(parse_ctx ctx, plist_t *plist)
}
}
if (embedded_dtd) {
- find_str(ctx, "]>", 1);
+ find_str(ctx, "]>", 2, 1);
if (strncmp(ctx->pos, "]>", 2)) {
PLIST_XML_ERR("Couldn't find end of DOCTYPE\n");
ctx->pos = ctx->end;
@@ -816,7 +837,7 @@ static void node_from_xml(parse_ctx ctx, plist_t *plist)
int is_empty = 0;
int closing_tag = 0;
const char *p = ctx->pos;
- find_next(ctx," \r\n\t<>",0);
+ find_next(ctx," \r\n\t<>", 6, 0);
if (ctx->pos >= ctx->end) {
PLIST_XML_ERR("Unexpected EOF while parsing XML\n");
ctx->pos = ctx->end;
@@ -829,7 +850,7 @@ static void node_from_xml(parse_ctx ctx, plist_t *plist)
strncpy(tag, p, taglen);
tag[taglen] = '\0';
if (*ctx->pos != '>') {
- find_next(ctx, "<>", 1);
+ find_next(ctx, "<>", 2, 1);
}
if (ctx->pos >= ctx->end) {
PLIST_XML_ERR("Unexpected EOF while parsing XML\n");
@@ -876,7 +897,7 @@ static void node_from_xml(parse_ctx ctx, plist_t *plist)
} else if (!strcmp(tag, XPLIST_INT)) {
if (!is_empty) {
text_part_t first_part = { NULL, 0, 0, NULL };
- text_part_t *tp = get_text_parts(ctx, tag, 1, &first_part);
+ text_part_t *tp = get_text_parts(ctx, tag, taglen, 1, &first_part);
if (!tp) {
PLIST_XML_ERR("Could not parse text content for '%s' node\n", tag);
text_parts_free(first_part.next);
@@ -930,7 +951,7 @@ static void node_from_xml(parse_ctx ctx, plist_t *plist)
} else if (!strcmp(tag, XPLIST_REAL)) {
if (!is_empty) {
text_part_t first_part = { NULL, 0, 0, NULL };
- text_part_t *tp = get_text_parts(ctx, tag, 1, &first_part);
+ text_part_t *tp = get_text_parts(ctx, tag, taglen, 1, &first_part);
if (!tp) {
PLIST_XML_ERR("Could not parse text content for '%s' node\n", tag);
text_parts_free(first_part.next);
@@ -960,14 +981,14 @@ static void node_from_xml(parse_ctx ctx, plist_t *plist)
data->length = 8;
} else if (!strcmp(tag, XPLIST_TRUE)) {
if (!is_empty) {
- get_text_parts(ctx, tag, 1, NULL);
+ get_text_parts(ctx, tag, taglen, 1, NULL);
}
data->type = PLIST_BOOLEAN;
data->boolval = 1;
data->length = 1;
} else if (!strcmp(tag, XPLIST_FALSE)) {
if (!is_empty) {
- get_text_parts(ctx, tag, 1, NULL);
+ get_text_parts(ctx, tag, taglen, 1, NULL);
}
data->type = PLIST_BOOLEAN;
data->boolval = 0;
@@ -975,7 +996,7 @@ static void node_from_xml(parse_ctx ctx, plist_t *plist)
} else if (!strcmp(tag, XPLIST_STRING) || !strcmp(tag, XPLIST_KEY)) {
if (!is_empty) {
text_part_t first_part = { NULL, 0, 0, NULL };
- text_part_t *tp = get_text_parts(ctx, tag, 0, &first_part);
+ text_part_t *tp = get_text_parts(ctx, tag, taglen, 0, &first_part);
char *str = NULL;
size_t length = 0;
if (!tp) {
@@ -1012,7 +1033,7 @@ static void node_from_xml(parse_ctx ctx, plist_t *plist)
} else if (!strcmp(tag, XPLIST_DATA)) {
if (!is_empty) {
text_part_t first_part = { NULL, 0, 0, NULL };
- text_part_t *tp = get_text_parts(ctx, tag, 1, &first_part);
+ text_part_t *tp = get_text_parts(ctx, tag, taglen, 1, &first_part);
if (!tp) {
PLIST_XML_ERR("Could not parse text content for '%s' node\n", tag);
text_parts_free(first_part.next);
@@ -1045,7 +1066,7 @@ static void node_from_xml(parse_ctx ctx, plist_t *plist)
} else if (!strcmp(tag, XPLIST_DATE)) {
if (!is_empty) {
text_part_t first_part = { NULL, 0, 0, NULL };
- text_part_t *tp = get_text_parts(ctx, tag, 1, &first_part);
+ text_part_t *tp = get_text_parts(ctx, tag, taglen, 1, &first_part);
if (!tp) {
PLIST_XML_ERR("Could not parse text content for '%s' node\n", tag);
text_parts_free(first_part.next);
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