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Diffstat (limited to 'src/libnsss/nsss_unix_pwd_get.c')
-rw-r--r--src/libnsss/nsss_unix_pwd_get.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/src/libnsss/nsss_unix_pwd_get.c b/src/libnsss/nsss_unix_pwd_get.c
new file mode 100644
index 0000000..b0c1200
--- /dev/null
+++ b/src/libnsss/nsss_unix_pwd_get.c
@@ -0,0 +1,45 @@
+/* ISC license. */
+
+#include <pthread.h>
+#include <skalibs/types.h>
+#include <skalibs/skamisc.h>
+#include <nsss/pwd-def.h>
+#include <nsss/nsss-unix.h>
+#include "nsss-unix-internal.h"
+
+static inline int pwd_parseline (struct passwd *pw, char *s, size_t max)
+{
+  struct passwd pw2 ;
+  char *p ;
+  s[max-1] = 0 ;
+  if (!nsss_unix_field(&pw2.pw_name, &s)) return 0 ;
+  if (!nsss_unix_field(&pw2.pw_passwd, &s)) return 0 ;
+  if (!nsss_unix_field(&p, &s)) return 0 ;
+  if (!uid0_scan(p, &pw2.pw_uid)) return 0 ;
+  if (!nsss_unix_field(&p, &s)) return 0 ;
+  if (!gid0_scan(p, &pw2.pw_gid)) return 0 ;
+  if (!nsss_unix_field(&pw2.pw_gecos, &s)) return 0 ;
+  if (!nsss_unix_field(&pw2.pw_dir, &s)) return 0 ;
+  pw2.pw_shell = s ;
+  *pw = pw2 ;
+  return 1 ;
+}
+
+int nsss_unix_pwd_get (nsss_unix_t *a, struct passwd *pw, stralloc *sa)
+{
+  int cs ;
+  pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs) ;
+  for (;;)
+  {
+    size_t base = sa->len ;
+    if (skagetln_loose(&a->b, sa, '\n') <= 0) goto err ;
+    if (pwd_parseline(pw, sa->s + base, sa->len - base)) break ;
+    sa->len = base ;
+  }
+  pthread_setcancelstate(cs, 0) ;
+  return 1 ;
+
+ err:
+  pthread_setcancelstate(cs, 0) ;
+  return 0 ;
+}