diff options
| -rw-r--r-- | source3/lib/system.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/source3/lib/system.c b/source3/lib/system.c index edf8bb9da7..7bb64ab723 100644 --- a/source3/lib/system.c +++ b/source3/lib/system.c @@ -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)); +} |