struct group *_spsubsgrp(struct group *gr)
{
struct sgrp *sgr;
if (gr)
{ sgr = getsgnam(gr->gr_name);
if (sgr)
gr->gr_passwd = sgr->sg_passwd;
}
return(gr);
}
/* try to read password from gshadow */
static char *get_gshadow_pwd(const char *groupname)
{
#ifdef HAVE_GETSGNAM
struct sgrp *sgrp;
sgrp = getsgnam(groupname);
return sgrp ? xstrdup(sgrp->sg_passwd) : NULL;
#else
char buf[BUFSIZ];
char *pwd = NULL;
FILE *f;
if (groupname == NULL || *groupname == '\0')
return NULL;
f = fopen(_PATH_GSHADOW, "r");
if (!f)
return NULL;
while (fgets(buf, sizeof buf, f)) {
char *cp = strchr(buf, ':');
if (!cp)
/* any junk in gshadow? */
continue;
*cp = '\0';
if (strcmp(buf, groupname) == 0) {
if (cp - buf >= BUFSIZ)
/* only group name on line */
break;
pwd = cp + 1;
if ((cp = strchr(pwd, ':')) && pwd == cp + 1)
/* empty password */
pwd = NULL;
else if (cp)
*cp = '\0';
break;
}
}
fclose(f);
return pwd ? xstrdup(pwd) : NULL;
#endif /* HAVE_GETSGNAM */
}