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added jeremy's sys_getpwnam() and sys_getpwuid() routines from 2_0 tree.

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This commit is contained in:
Luke Leighton 0001-01-01 00:00:00 +00:00
parent b60eb8c9fc
commit df756f3723
1 changed files with 57 additions and 0 deletions
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57
source/lib/system.c
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@ -536,3 +536,60 @@ int sys_getgroups(int setlen, gid_t *gidset)
return ngroups;
#endif /* HAVE_BROKEN_GETGROUPS */
}
/*
* We only wrap pw_name and pw_passwd for now as these
* are the only potentially modified fields.
*/
/**************************************************************************
Helper function for getpwnam/getpwuid wrappers.
****************************************************************************/
static struct passwd *setup_pwret(struct passwd *pass)
{
static pstring pw_name;
static pstring pw_passwd;
static struct passwd pw_ret;
if (pass == NULL)
{
return NULL;
}
memcpy((char *)&pw_ret, pass, sizeof(struct passwd));
if (pass->pw_name)
{
pw_name[0] = '\0';
pw_ret.pw_name = pw_name;
pstrcpy(pw_ret.pw_name, pass->pw_name);
}
if (pass->pw_passwd)
{
pw_passwd[0] = '\0';
pw_ret.pw_passwd = pw_passwd;
pstrcpy(pw_ret.pw_passwd, pass->pw_passwd);
}
return &pw_ret;
}
/**************************************************************************
Wrapper for getpwnam(). Always returns a static that can be modified.
****************************************************************************/
struct passwd *sys_getpwnam(const char *name)
{
return setup_pwret(getpwnam(name));
}
/**************************************************************************
Wrapper for getpwuid(). Always returns a static that can be modified.
****************************************************************************/
struct passwd *sys_getpwuid(uid_t uid)
{
return setup_pwret(getpwuid(uid));
}