TSG-23793 Fixed the issue where comments in the HTML page containing <head> or <body> tags would cause the inserted script to fail
This commit is contained in:
@@ -260,6 +260,53 @@ static char *find_insert_position(char * in)
|
||||
return insert_from;
|
||||
}
|
||||
|
||||
int find_remove_position(char *start, char *end)
|
||||
{
|
||||
if(end - start <=0)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
char *tags = ALLOC(char, (end - start)+1);
|
||||
memcpy(tags, start, end - start);
|
||||
if(strstr(tags, "<head>") != NULL || strstr(tags, "<body>") != NULL)
|
||||
{
|
||||
free(tags);
|
||||
return 1;
|
||||
}
|
||||
|
||||
free(tags);
|
||||
return 0;
|
||||
}
|
||||
|
||||
void remove_string_with_tags(char *html)
|
||||
{
|
||||
char *start = NULL, *end = NULL;
|
||||
|
||||
while ((start = strstr(html, "<!--")) != NULL)
|
||||
{
|
||||
end = strstr(start, "-->");
|
||||
if (end != NULL)
|
||||
{
|
||||
end += 3;
|
||||
if (find_remove_position(start, end) &&(strstr(start, "<head>") != NULL || strstr(start, "<body>") != NULL))
|
||||
{
|
||||
memmove(start, end, strlen(end) + 1);
|
||||
}
|
||||
else
|
||||
{
|
||||
html = end;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
size_t insert_string(char * in, size_t in_sz, const char *insert_on, const char *script, const char *type, char** out)
|
||||
{
|
||||
char *target=NULL;
|
||||
@@ -329,7 +376,36 @@ size_t insert_string(char * in, size_t in_sz, const char *insert_on, const char
|
||||
|
||||
size_t execute_insert_rule(char * in, size_t in_sz, const struct insert_rule * rules, char** out)
|
||||
{
|
||||
return insert_string(in, in_sz, rules->position, rules->script, rules->type, out);
|
||||
size_t out_size=0;
|
||||
|
||||
if (in == NULL || in_sz < 0)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
char*new_in = ALLOC(char, in_sz+1);
|
||||
memcpy(new_in, in, in_sz);
|
||||
remove_string_with_tags(new_in);
|
||||
|
||||
out_size = insert_string(new_in, strlen(new_in), rules->position, rules->script, rules->type, out);
|
||||
|
||||
free(new_in);
|
||||
new_in=NULL;
|
||||
|
||||
return out_size;
|
||||
}
|
||||
|
||||
size_t simple_insert(char * in, size_t in_sz, const char *insert_on, const char *script, const char *type, char** out)
|
||||
{
|
||||
struct insert_rule rules;
|
||||
memset(&rules, 0, sizeof(rules));
|
||||
|
||||
rules.type=(char *)type;
|
||||
rules.script=(char *)script;
|
||||
rules.position=(char *)insert_on;
|
||||
rules.inject_sz=strlen(script);
|
||||
|
||||
return execute_insert_rule(in, in_sz, &rules, out);
|
||||
}
|
||||
|
||||
void simple_replace(const char* find, const char* replacement, const char* input, size_t in_sz, char** output, size_t *output_sz, int options)
|
||||
|
||||
@@ -43,7 +43,6 @@ enum _log_action
|
||||
|
||||
#define get_time_ms(tv) ((long long)(tv.tv_sec) * 1000 + (long long)(tv.tv_usec) / 1000)
|
||||
|
||||
|
||||
#ifdef __x86_64__
|
||||
#include "uuid_v4_x86.h"
|
||||
#else
|
||||
|
||||
Reference in New Issue
Block a user