u: url (string)
t: target (string)
l: label (string)
-c: constant pool (string)
+C: constant pool header (byte)
+c: constant pool entry (string)
s: skip (byte) (number of actions)
m: method (byte) GetUrl2:(0=none, 1=get, 2=post)/GotoFrame2:(1=play)
b: branch (word) (number of bytes)
{5,"GetMember", 0x4e,""},
{5,"SetMember", 0x4f,""},
{5,"CallMethod", 0x52,""},
-{5,"Constantpool", 0x88, "c"},
+{5,"Constantpool", 0x88, "Cc"},
{5,"DefineLocal", 0x3c,""},
{5,"DefineLocal2", 0x41,""},
{5,"Makehash", 0x43, ""}, //??
};
static int definedactions = sizeof(actions)/sizeof(struct Action);
-ActionTAG* swf_GetActions(TAG*tag)
+ActionTAG* GetActions(TAG*tag)
{
U8 op = 1;
int length;
U8*data;
while(op)
{
- int pos;
- action->next = (ActionTAG*)malloc(sizeof(ActionTAG));
- action->next->prev = action;
- action->next->next = 0;
- action = action->next;
+ int pos;
+ action->next = (ActionTAG*)malloc(sizeof(ActionTAG));
+ action->next->prev = action;
+ action->next->next = 0;
+ action = action->next;
- op = swf_GetU8(tag);
- if(op<0x80)
- length = 0;
- else
- length = swf_GetU16(tag);
+ op = GetU8(tag);
+ if(op<0x80)
+ length = 0;
+ else
+ length = GetU16(tag);
- if(length) {
- int t;
- data = malloc(length);
- for(t=0;t<length;t++)
- data[t] = swf_GetU8(tag);
- } else {
- data = 0;
- }
- action->op = op;
- action->len = length;
- action->data = data;
- action->parent = tag;
+ if(length) {
+ int t;
+ data = malloc(length);
+ for(t=0;t<length;t++)
+ data[t] = GetU8(tag);
+ } else {
+ data = 0;
+ }
+ action->op = op;
+ action->len = length;
+ action->data = data;
+ action->parent = tag;
}
return tmp.next;
}
-void swf_SetActions(TAG*tag, ActionTAG*action)
+void SetActions(TAG*tag, ActionTAG*action)
{
while(action)
{
- swf_SetU8(tag, action->op);
- if(action->op & 128)
- swf_SetU16(tag, action->len);
+ SetU8(tag, action->op);
+ if(action->op & 128)
+ SetU16(tag, action->len);
- swf_SetBlock(tag, action->data, action->len);
+ SetBlock(tag, action->data, action->len);
- action = action->next;
+ action = action->next;
}
}
-int swf_OpAdvance(char c, char*data)
+int OpAdvance(char c, char*data)
{
switch (c)
{
- case 'f':
- return 2;
- case 'u':
- return strlen(data)+1;
- case 't':
- return strlen(data)+1;
- case 'l':
- return strlen(data)+1;
- case 'c':
- return strlen(data)+1;
- case 's':
- return 1;
- case 'm':
- return 1;
- case 'b':
- return 2;
- case 'p': {
- U8 type = *data++;
- if(type == 0) {
- return 1+strlen(data)+1; //string
- } else if (type == 1) {
- return 1+4; //float
- } else if (type == 2) {
- return 1+0; //NULL
- } else if (type == 4) {
- return 1+1; //register
- } else if (type == 5) {
- return 1+1; //bool
- } else if (type == 6) {
- return 1+8; //double
- } else if (type == 7) {
- return 1+4; //int
- } else if (type == 8) {
- return 1+1; //lookup
- }
- }
+ case 'f':
+ return 2;
+ case 'u':
+ return strlen(data)+1;
+ case 't':
+ return strlen(data)+1;
+ case 'l':
+ return strlen(data)+1;
+ case 'c':
+ return strlen(data)+1;
+ case 'C':
+ return 2;
+ case 's':
+ return 1;
+ case 'm':
+ return 1;
+ case 'b':
+ return 2;
+ case 'p': {
+ U8 type = *data++;
+ if(type == 0) {
+ return 1+strlen(data)+1; //string
+ } else if (type == 1) {
+ return 1+4; //float
+ } else if (type == 2) {
+ return 1+0; //NULL
+ } else if (type == 4) {
+ return 1+1; //register
+ } else if (type == 5) {
+ return 1+1; //bool
+ } else if (type == 6) {
+ return 1+8; //double
+ } else if (type == 7) {
+ return 1+4; //int
+ } else if (type == 8) {
+ return 1+1; //lookup
+ }
+ break;
+ }
}
+ return 0;
}
/* TODO: this should be in swfdump.c */
-void swf_DumpActions(ActionTAG*atag, char*prefix)
+void DumpActions(ActionTAG*atag, char*prefix)
{
U8 op;
int t;
U8*data;
char* cp;
if(!prefix)
- prefix="";
+ prefix="";
while(atag)
{
- for(t=0;t<definedactions;t++)
- if(actions[t].op == atag->op)
- break;
+ U8 poollen = 0;
+ for(t=0;t<definedactions;t++)
+ if(actions[t].op == atag->op)
+ break;
- if(t==definedactions) {
- printf("%s (%5d bytes) action: %02x\n", prefix, atag->len, op);
- atag = atag->next;
- continue;
- }
- printf("%s (%5d bytes) action: %s", prefix, atag->len, actions[t].name);
- cp = actions[t].flags;
- data = atag->data;
- if(atag->len) //TODO: check for consistency: should we have a length?
- while(*cp)
- {
- switch(*cp)
- {
- case 'f': {
- printf(" %d", *(U16*)data); //FIXME: le/be
- } break;
- case 'u': {
- printf(" URL:\"%s\"", data);
- } break;
- case 't': {
- printf(" Target:\"%s\"", data);
- } break;
- case 'l': {
- printf(" Label:\"%s\"", data);
- } break;
- case 'c': {
- printf(" Constant Pool:\"%s\"", data);
- } break;
- case 's': {
- printf(" +%d", data);
- } break;
- case 'm': {
-//m: method (byte) url:(0=none, 1=get, 2=datat)/gf2:(1=play)
- printf(" %d", data);
- } break;
- case 'b': {
- printf(" %d", *(U16*)data);
- } break;
- case 'p': {
- U8 type = *data;
- char*value = data+1;
- if(type == 0) {
- printf(" String:\"%s\"", value);
- } else if (type == 1) {
- printf(" Float:\"%f\"", *(float*)value);
- } else if (type == 2) {
- printf(" NULL");
- } else if (type == 4) {
- printf(" register:%d", value);
- } else if (type == 5) {
- printf(" %s", *value?"true":"false");
- } else if (type == 6) {
- printf(" %f", *(double*)value);
- } else if (type == 7) {
- printf(" %d", *(int*)value);
- } else if (type == 8) {
- printf(" Lookup:%d", *value);
- }
- } break;
- }
- data += swf_OpAdvance(*cp, data);
- cp++;
- }
+ if(t==definedactions) {
+ printf("%s (%5d bytes) action: %02x\n", prefix, atag->len, op);
+ atag = atag->next;
+ continue;
+ }
+ printf("%s (%5d bytes) action: %s", prefix, atag->len, actions[t].name);
+ cp = actions[t].flags;
+ data = atag->data;
+ if(atag->len) //TODO: check for consistency: should we have a length?
+ while(*cp)
+ {
+ switch(*cp)
+ {
+ case 'f': {
+ printf(" %d", *(U16*)data); //FIXME: le/be
+ } break;
+ case 'u': {
+ printf(" URL:\"%s\"", data);
+ } break;
+ case 't': {
+ printf(" Target:\"%s\"", data);
+ } break;
+ case 'l': {
+ printf(" Label:\"%s\"", data);
+ } break;
+ case 'c': {
+ printf(" String:\"%s\"", data);
+ } break;
+ case 'C': {
+ poollen = *data;
+ printf("(%d entries)", poollen);
+ } break;
+ case 's': {
+ printf(" +%d", data);
+ } break;
+ case 'm': {
+ //m: method (byte) url:(0=none, 1=get, 2=datat)/gf2:(1=play)
+ printf(" %d", data);
+ } break;
+ case 'b': {
+ printf(" %d", *(U16*)data);
+ } break;
+ case 'p': {
+ U8 type = *data;
+ char*value = data+1;
+ if(type == 0) {
+ printf(" String:\"%s\"", value);
+ } else if (type == 1) {
+ printf(" Float:\"%f\"", *(float*)value);
+ } else if (type == 2) {
+ printf(" NULL");
+ } else if (type == 4) {
+ printf(" register:%d", value);
+ } else if (type == 5) {
+ printf(" %s", *value?"true":"false");
+ } else if (type == 6) {
+ printf(" %f", *(double*)value);
+ } else if (type == 7) {
+ printf(" %d", *(int*)value);
+ } else if (type == 8) {
+ printf(" Lookup:%d", *value);
+ }
+ } break;
+ }
+ data += OpAdvance(*cp, data);
+ if(*cp!='c' || !poollen)
+ cp++;
+ if(poollen)
+ poollen--;
+ }
- if(data < atag->data + atag->len)
- {
- int nl = ((atag->data+atag->len)-data);
- int t;
- printf(" remainder of %d bytes:\"", nl);
- for(t=0;t<nl;t++) {
- if(data[t]<32)
- printf("\\%d",data[t]);
- else
- printf("%c", data[t]);
- }
- printf("\"");
- }
- printf("\n");
- atag = atag->next;
+ if(data < atag->data + atag->len)
+ {
+ int nl = ((atag->data+atag->len)-data);
+ int t;
+ printf(" remainder of %d bytes:\"", nl);
+ for(t=0;t<nl;t++) {
+ if(data[t]<32)
+ printf("\\%d",data[t]);
+ else
+ printf("%c", data[t]);
+ }
+ printf("\"");
+ }
+ printf("\n");
+ atag = atag->next;
}
}
-int swf_ActionEnumerateURLs(ActionTAG*atag, char*(*callback)(char*))
+static const char TYPE_URL = 1;
+static const char TYPE_TARGET = 2;
+static const char TYPE_STRING = 4;
+
+int ActionEnumerate(ActionTAG*atag, char*(*callback)(char*), int type)
{
U8 op;
int t;
while(atag)
{
+ U8 poollen = 0;
+ for(t=0;t<definedactions;t++)
+ if(actions[t].op == atag->op)
+ break;
- for(t=0;t<definedactions;t++)
- if(actions[t].op == atag->op)
- break;
-
- if(t==definedactions) {
- // unknown actiontag
- atag = atag->next;
- continue;
- }
- cp = actions[t].flags;
- data = atag->data;
- if(atag->len)
- {
- while(*cp)
- {
- char * replacepos = 0;
- int replacelen = 0;
- char * replacement;
- switch(*cp)
- {
- case 'u': {
- replacelen = strlen(data);
- replacepos = data;
- replacement = callback(data); // may be null
- } break;
- /* everything below may very well
- contain an URL, too. However, to extract
- these, we would have to call callback also for
- strings which might not contain an url.
- TODO: should we check for Strings which start
- with "http://"?
- Nope: user can force it by reg.ex. if he wants to /r
- */
- case 'c': {
- } break;
- case 'o': {
- } break;
- case 'p': {
- U8 type = *data;
- char*value = &data[1];
- if(type == 0) { //string
- } else if (type == 8) { //lookup
- }
- } break;
- }
- data += swf_OpAdvance(*cp, data);
- cp++;
-
- //TODO: apply replacement here.
- }
- }
+ if(t==definedactions) {
+ // unknown actiontag
+ atag = atag->next;
+ continue;
+ }
+ cp = actions[t].flags;
+ data = atag->data;
+ if(atag->len) {
+ while(*cp) {
+ U8 * replacepos = 0;
+ int replacelen = 0;
+ U8 * replacement = 0;
+ switch(*cp)
+ {
+ case 'u': {
+ if(type&TYPE_URL)
+ {
+ replacelen = strlen(data);
+ replacepos = data;
+ replacement = callback(data); // may be null
+ }
+ } break;
+ case 't': {
+ if(type&TYPE_TARGET)
+ {
+ replacelen = strlen(data);
+ replacepos = data;
+ replacement = callback(data); // may be null
+ }
+ } break;
+ case 'c': {
+ if(type&TYPE_STRING)
+ {
+ replacelen = strlen(data);
+ replacepos = data;
+ replacement = callback(data); // may be null
+ }
+ } break;
+ case 'C': {
+ poollen = (*data);
+ } break;
+ case 'o': {
+ } break;
+ case 'p': {
+ U8 datatype = *data;
+ char*value = &data[1];
+ if(datatype == 0) { //string
+ if(type&TYPE_STRING)
+ {
+ replacelen = strlen(value);
+ replacepos = value;
+ replacement = callback(value); // may be null
+ }
+ } else if (datatype == 8) { //lookup
+ }
+ } break;
+ }
+ data += OpAdvance(*cp, data);
+ if(*cp!='c' || !poollen)
+ cp++;
+ if(poollen)
+ poollen--;
- atag = atag->next;
+ if(replacement)
+ {
+ int newlen = strlen(replacement);
+ char * newdata = malloc(atag->len - replacelen + newlen);
+ int rpos = replacepos - atag->data;
+ memcpy(newdata, atag->data, rpos);
+ memcpy(&newdata[rpos], replacement, newlen);
+ memcpy(&newdata[rpos+newlen], &replacepos[replacelen],
+ &data[atag->len] - &replacepos[replacelen]);
+ free(atag->data);
+ atag->data = newdata;
+ data = &atag->data[rpos+newlen+1];
+ }
+ }
+ }
+ atag = atag->next;
}
}
+void ActionEnumerateTargets(ActionTAG*atag, char*(*callback)(char*))
+{
+ ActionEnumerate(atag, callback, TYPE_TARGET);
+}
+void ActionEnumerateStrings(ActionTAG*atag, char*(*callback)(char*))
+{
+ ActionEnumerate(atag, callback, TYPE_STRING);
+}
+void ActionEnumerateURLs(ActionTAG*atag, char*(*callback)(char*))
+{
+ ActionEnumerate(atag, callback, TYPE_URL);
+}
+
git.asbjorn.biz / swftools.git / commitdiff