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Diffstat (limited to 'libpiano/src/xml.c')
-rw-r--r--libpiano/src/xml.c117
1 files changed, 90 insertions, 27 deletions
diff --git a/libpiano/src/xml.c b/libpiano/src/xml.c
index c8497be..2cc519f 100644
--- a/libpiano/src/xml.c
+++ b/libpiano/src/xml.c
@@ -230,18 +230,24 @@ static void PianoXmlParsePlaylistCb (const char *key, const ezxml_t value,
if (strcmp ("audioURL", key) == 0) {
/* last 48 chars of audioUrl are encrypted, but they put the key
- * into the door's lock; dumb pandora... */
+ * into the door's lock... */
const char urlTailN = 48;
const size_t valueStrN = strlen (valueStr);
char *urlTail = NULL,
*urlTailCrypted = &valueStr[valueStrN - urlTailN];
- urlTail = PianoDecryptString (urlTailCrypted);
- song->audioUrl = calloc (valueStrN + 1, sizeof (*song->audioUrl));
- memcpy (song->audioUrl, valueStr, valueStrN - urlTailN);
- /* FIXME: the key seems to be broken... so ignore 8 x 0x08 postfix;
- * urlTailN/2 because the encrypted hex string is now decoded */
- memcpy (&song->audioUrl[valueStrN - urlTailN], urlTail, urlTailN/2 - 8);
- PianoFree (urlTail, urlTailN/2);
+
+ if ((urlTail = PianoDecryptString (urlTailCrypted)) != NULL) {
+ if ((song->audioUrl = calloc (valueStrN + 1,
+ sizeof (*song->audioUrl))) != NULL) {
+ memcpy (song->audioUrl, valueStr, valueStrN - urlTailN);
+ /* FIXME: the key seems to be broken... so ignore 8 x 0x08
+ * postfix; urlTailN/2 because the encrypted hex string is now
+ * decoded */
+ memcpy (&song->audioUrl[valueStrN - urlTailN], urlTail,
+ urlTailN/2 - 8);
+ }
+ PianoFree (urlTail, urlTailN/2);
+ }
} else if (strcmp ("artistSummary", key) == 0) {
song->artist = strdup (valueStr);
} else if (strcmp ("musicId", key) == 0) {
@@ -313,18 +319,32 @@ static void PianoXmlParseQuickMixStationsCb (const char *key, const ezxml_t valu
curNode; curNode = curNode->next) {
idsN++;
if (ids == NULL) {
- ids = calloc (idsN, sizeof (*ids));
+ if ((ids = calloc (idsN, sizeof (*ids))) == NULL) {
+ *retIds = NULL;
+ return;
+ }
} else {
- ids = realloc (ids, idsN * sizeof (*ids));
+ /* FIXME: memory leak (on failure) */
+ if ((ids = realloc (ids, idsN * sizeof (*ids))) == NULL) {
+ *retIds = NULL;
+ return;
+ }
}
ids[idsN-1] = strdup (PianoXmlGetNodeText (curNode));
}
/* append NULL: list ends here */
idsN++;
+ /* FIXME: copy&waste */
if (ids == NULL) {
- ids = calloc (idsN, sizeof (*ids));
+ if ((ids = calloc (idsN, sizeof (*ids))) == NULL) {
+ *retIds = NULL;
+ return;
+ }
} else {
- ids = realloc (ids, idsN * sizeof (*ids));
+ if ((ids = realloc (ids, idsN * sizeof (*ids))) == NULL) {
+ *retIds = NULL;
+ return;
+ }
}
ids[idsN-1] = NULL;
}
@@ -350,9 +370,16 @@ PianoReturn_t PianoXmlParseStations (PianoHandle_t *ph, char *xml) {
for (dataNode = ezxml_child (dataNode, "value"); dataNode;
dataNode = dataNode->next) {
- PianoStation_t *tmpStation = calloc (1, sizeof (*tmpStation));
+ PianoStation_t *tmpStation;
+
+ if ((tmpStation = calloc (1, sizeof (*tmpStation))) == NULL) {
+ ezxml_free (xmlDoc);
+ return PIANO_RET_OUT_OF_MEMORY;
+ }
+
PianoXmlStructParser (ezxml_child (dataNode, "struct"),
PianoXmlParseStationsCb, tmpStation);
+
/* get stations selected for quickmix */
if (tmpStation->isQuickMix) {
PianoXmlStructParser (ezxml_child (dataNode, "struct"),
@@ -404,7 +431,11 @@ PianoReturn_t PianoXmlParseCreateStation (PianoHandle_t *ph, char *xml) {
}
dataNode = ezxml_get (xmlDoc, "params", 0, "param", 0, "value", 0, "struct", -1);
- tmpStation = calloc (1, sizeof (*tmpStation));
+
+ if ((tmpStation = calloc (1, sizeof (*tmpStation))) == NULL) {
+ ezxml_free (xmlDoc);
+ return PIANO_RET_OUT_OF_MEMORY;
+ }
PianoXmlStructParser (dataNode, PianoXmlParseStationsCb, tmpStation);
/* FIXME: copy & waste */
/* start new linked list or append */
@@ -463,7 +494,13 @@ PianoReturn_t PianoXmlParsePlaylist (PianoHandle_t *ph, char *xml) {
for (dataNode = ezxml_child (dataNode, "value"); dataNode;
dataNode = dataNode->next) {
- PianoSong_t *tmpSong = calloc (1, sizeof (*tmpSong));
+ PianoSong_t *tmpSong;
+
+ if ((tmpSong = calloc (1, sizeof (*tmpSong))) == NULL) {
+ ezxml_free (xmlDoc);
+ return PIANO_RET_OUT_OF_MEMORY;
+ }
+
PianoXmlStructParser (ezxml_child (dataNode, "struct"),
PianoXmlParsePlaylistCb, tmpSong);
/* begin linked list or append */
@@ -536,7 +573,13 @@ static void PianoXmlParseSearchCb (const char *key, const ezxml_t value,
/* skip <value><array><data> */
for (curNode = ezxml_child (ezxml_get (value, "array", 0, "data", -1), "value");
curNode; curNode = curNode->next) {
- PianoArtist_t *artist = calloc (1, sizeof (*artist));
+ PianoArtist_t *artist;
+
+ if ((artist = calloc (1, sizeof (*artist))) == NULL) {
+ /* fail silently */
+ break;
+ }
+
memset (artist, 0, sizeof (*artist));
PianoXmlStructParser (ezxml_child (curNode, "struct"),
@@ -557,7 +600,13 @@ static void PianoXmlParseSearchCb (const char *key, const ezxml_t value,
for (curNode = ezxml_child (ezxml_get (value, "array", 0, "data", -1), "value");
curNode; curNode = curNode->next) {
/* FIXME: copy & waste */
- PianoSong_t *tmpSong = calloc (1, sizeof (*tmpSong));
+ PianoSong_t *tmpSong;
+
+ if ((tmpSong = calloc (1, sizeof (*tmpSong))) == NULL) {
+ /* fail silently */
+ break;
+ }
+
PianoXmlStructParser (ezxml_child (curNode, "struct"),
PianoXmlParsePlaylistCb, tmpSong);
/* begin linked list or append */
@@ -601,15 +650,18 @@ PianoReturn_t PianoXmlParseSearch (char *xml,
/* encode reserved xml chars
* TODO: remove and use ezxml_ampencode
* @param encode this
- * @return encoded string
+ * @return encoded string or NULL
*/
char *PianoXmlEncodeString (const char *s) {
char *replacements[] = {"&&amp;", "'&apos;", "\"&quot;", "<&lt;",
">&gt;", NULL};
- char **r;
- char *sOut = calloc (strlen (s) * 5 + 1, sizeof (*sOut)),
- *sOutCurr = sOut;
- char found;
+ char **r, *sOut, *sOutCurr, found;
+
+ if ((sOut = calloc (strlen (s) * 5 + 1, sizeof (*sOut))) == NULL) {
+ return NULL;
+ }
+
+ sOutCurr = sOut;
while (*s != '\0') {
r = replacements;
@@ -633,10 +685,8 @@ char *PianoXmlEncodeString (const char *s) {
}
PianoReturn_t PianoXmlParseGenreExplorer (PianoHandle_t *ph, char *xml) {
- ezxml_t xmlDoc, catNode, genreNode;
+ ezxml_t xmlDoc, catNode;
PianoReturn_t ret;
- PianoGenreCategory_t *tmpGenreCategory;
- PianoStation_t *tmpStation;
if ((ret = PianoXmlInitDoc (xml, &xmlDoc)) != PIANO_RET_OK) {
return ret;
@@ -645,13 +695,26 @@ PianoReturn_t PianoXmlParseGenreExplorer (PianoHandle_t *ph, char *xml) {
/* get all <member> nodes */
for (catNode = ezxml_child (xmlDoc, "category"); catNode;
catNode = catNode->next) {
- tmpGenreCategory = calloc (1, sizeof (*tmpGenreCategory));
+ PianoGenreCategory_t *tmpGenreCategory;
+ ezxml_t genreNode;
+
+ if ((tmpGenreCategory = calloc (1, sizeof (*tmpGenreCategory))) == NULL) {
+ ezxml_free (xmlDoc);
+ return PIANO_RET_OUT_OF_MEMORY;
+ }
+
tmpGenreCategory->name = strdup (ezxml_attr (catNode, "categoryName"));
/* get genre subnodes */
for (genreNode = ezxml_child (catNode, "genre"); genreNode;
genreNode = genreNode->next) {
- tmpStation = calloc (1, sizeof (*tmpStation));
+ PianoStation_t *tmpStation;
+
+ if ((tmpStation = calloc (1, sizeof (*tmpStation))) == NULL) {
+ ezxml_free (xmlDoc);
+ return PIANO_RET_OUT_OF_MEMORY;
+ }
+
/* get genre attributes */
tmpStation->name = strdup (ezxml_attr (genreNode, "name"));
tmpStation->id = strdup (ezxml_attr (genreNode, "stationId"));
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-04 21:50:21 +0000