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Noux: simplify 'User_info' constructor

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This patch removes the '_dup_str' function, which was unsafe due to a
missing check of the dst boundary.
This commit is contained in:
Norman Feske 2012-10-09 19:26:31 +02:00
parent 95f4b24f30
commit 5a1c47e943
1 changed files with 7 additions and 16 deletions
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23
ports/src/noux/user_info.h
View File

@ -23,33 +23,24 @@
namespace Noux {
using namespace Genode;
struct User_info {
public:
char name[Sysio::MAX_USERNAME_LEN];
char name[Sysio::MAX_USERNAME_LEN];
char shell[Sysio::MAX_SHELL_LEN];
char home[Sysio::MAX_HOME_LEN];
char home[Sysio::MAX_HOME_LEN];
unsigned int uid;
unsigned int gid;
private:
void _dup_str(char *dest, const char *src)
{
Genode::size_t len = Genode::strlen(src);
Genode::memcpy(dest, src, len);
dest[len] = '\0';
}
public:
User_info() : uid(0), gid(0)
{
_dup_str(name, "root");
_dup_str(home, "/");
_dup_str(shell, "/bin/bash");
strncpy(name, "root", sizeof(name));
strncpy(home, "/", sizeof(home));
strncpy(shell, "/bin/bash", sizeof(shell));
}
void set_info(Genode::Xml_node user_info_node)