forked from Mirrorlandia_minetest/minetest
Settings: Sanitize value for multiline terminator tokens
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f114fc74d6
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b0c4fd6d3f
@ -63,6 +63,32 @@ Settings & Settings::operator = (const Settings &other)
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}
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std::string Settings::sanitizeName(const std::string &name)
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{
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std::string n(name);
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for (const char *s = "\t\n\v\f\r\b =\"{}#"; *s; s++)
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n.erase(std::remove(n.begin(), n.end(), *s), n.end());
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return n;
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}
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std::string Settings::sanitizeValue(const std::string &value)
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{
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std::string v(value);
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size_t p = 0;
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if (v.substr(0, 3) == "\"\"\"")
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v.erase(0, 3);
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while ((p = v.find("\n\"\"\"")) != std::string::npos)
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v.erase(p, 4);
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return v;
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}
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std::string Settings::getMultiline(std::istream &is, size_t *num_lines)
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{
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size_t lines = 1;
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@ -683,11 +709,7 @@ void Settings::setEntry(const std::string &name, const void *data,
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{
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Settings *old_group = NULL;
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// Strip any potentially dangerous characters from the name (note the value
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// has no such restrictions)
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std::string n(name);
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for (const char *s = "\t\n\v\f\r\b =\""; *s; s++)
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n.erase(std::remove(n.begin(), n.end(), *s), n.end());
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std::string n = sanitizeName(name);
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{
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JMutexAutoLock lock(m_mutex);
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@ -695,7 +717,7 @@ void Settings::setEntry(const std::string &name, const void *data,
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SettingsEntry &entry = set_default ? m_defaults[n] : m_settings[n];
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old_group = entry.group;
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entry.value = set_group ? "" : *(const std::string *)data;
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entry.value = set_group ? "" : sanitizeValue(*(const std::string *)data);
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entry.group = set_group ? *(Settings **)data : NULL;
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entry.is_group = set_group;
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}
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@ -112,6 +112,8 @@ public:
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bool updateConfigObject(std::istream &is, std::ostream &os,
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const std::string &end, u32 tab_depth=0);
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static std::string sanitizeName(const std::string &name);
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static std::string sanitizeValue(const std::string &value);
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static std::string getMultiline(std::istream &is, size_t *num_lines=NULL);
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static void printEntry(std::ostream &os, const std::string &name,
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const SettingsEntry &entry, u32 tab_depth=0);
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