+#include "udev.h"
+#include "klibc_fixups.h"
+#include "udev_lib.h"
+#include "logging.h"
+
+#define PW_FILE "/etc/passwd"
+#define GR_FILE "/etc/group"
+#define UTMP_FILE "/var/run/utmp"
+
+/* return the id of a passwd style line, selected by the users name */
+static unsigned long get_id_by_name(const char *uname, const char *dbfile)
+{
+ unsigned long id = -1;
+ char line[LINE_SIZE];
+ char *buf;
+ char *bufline;
+ size_t bufsize;
+ size_t cur;
+ size_t count;
+ char *pos;
+ char *name;
+ char *idstr;
+ char *tail;
+
+ if (file_map(dbfile, &buf, &bufsize) == 0) {
+ dbg("reading '%s' as db file", dbfile);
+ } else {
+ dbg("can't open '%s' as db file", dbfile);
+ return -1;
+ }
+
+ /* loop through the whole file */
+ cur = 0;
+ while (cur < bufsize) {
+ count = buf_get_line(buf, bufsize, cur);
+ bufline = &buf[cur];
+ cur += count+1;
+
+ if (count >= LINE_SIZE)
+ continue;
+
+ strncpy(line, bufline, count);
+ line[count] = '\0';
+ pos = line;
+
+ /* get name */
+ name = strsep(&pos, ":");
+ if (name == NULL)
+ continue;
+
+ /* skip pass */
+ if (strsep(&pos, ":") == NULL)
+ continue;
+
+ /* get id */
+ idstr = strsep(&pos, ":");
+ if (idstr == NULL)
+ continue;
+
+ if (strcmp(uname, name) == 0) {
+ id = strtoul(idstr, &tail, 10);
+ if (tail[0] != '\0')
+ id = -1;
+ else
+ dbg("id for '%s' is '%li'", name, id);
+ break;
+ }
+ }
+
+ file_unmap(buf, bufsize);
+ return id;
+}
+
+struct passwd *getpwnam(const char *name)