static char real_name[1000];
static char real_date[50];
+static void copy_gecos(struct passwd *w, char *name, int sz)
+{
+ char *src, *dst;
+ int len, nlen;
+
+ nlen = strlen(w->pw_name);
+
+ /* Traditionally GECOS field had office phone numbers etc, separated
+ * with commas. Also & stands for capitalized form of the login name.
+ */
+
+ for (len = 0, dst = name, src = w->pw_gecos; len < sz; src++) {
+ int ch = *src;
+ if (ch != '&') {
+ *dst++ = ch;
+ if (ch == 0 || ch == ',')
+ break;
+ len++;
+ continue;
+ }
+ if (len + nlen < sz) {
+ /* Sorry, Mr. McDonald... */
+ *dst++ = toupper(*w->pw_name);
+ memcpy(dst, w->pw_name + 1, nlen - 1);
+ dst += nlen - 1;
+ }
+ }
+ if (len < sz)
+ name[len] = 0;
+ else
+ die("Your parents must have hated you!");
+
+}
+
int setup_ident(void)
{
int len;
die("You don't exist. Go away!");
/* Get the name ("gecos") */
- len = strlen(pw->pw_gecos);
- if (len >= sizeof(real_name))
- die("Your parents must have hated you!");
- memcpy(real_name, pw->pw_gecos, len+1);
+ copy_gecos(pw, real_name, sizeof(real_name));
/* Make up a fake email address (name + '@' + hostname [+ '.' + domainname]) */
len = strlen(pw->pw_name);
memcpy(real_email, pw->pw_name, len);
real_email[len++] = '@';
gethostname(real_email + len, sizeof(real_email) - len);
-#ifndef NO_GETDOMAINNAME
if (!strchr(real_email+len, '.')) {
len = strlen(real_email);
real_email[len++] = '.';
getdomainname(real_email+len, sizeof(real_email)-len);
}
-#endif
/* And set the default date */
datestamp(real_date, sizeof(real_date));
return 0;