[jbossnative-commits] JBoss Native SVN: r1019 - trunk/sight/native/os/posix.

[jbossnative-commits at lists.jboss.org]

Author: mladen.turk at jboss.com
Date: 2007-09-11 10:32:36 -0400 (Tue, 11 Sep 2007)
New Revision: 1019

Modified:
   trunk/sight/native/os/posix/user.c
Log:
Implement Posix who

Modified: trunk/sight/native/os/posix/user.c
===================================================================
--- trunk/sight/native/os/posix/user.c	2007-09-11 06:50:09 UTC (rev 1018)
+++ trunk/sight/native/os/posix/user.c	2007-09-11 14:32:36 UTC (rev 1019)
@@ -35,6 +35,20 @@
 #include "sight_types.h"
 #include "sight_private.h"
 
+#if defined(_sun)
+#include <utmpx.h>
+#define SIGHT_UTMP_FILE _UTMPX_FILE
+#define u_time ut_tv.tv_sec
+#else
+#include <utmp.h>
+#ifdef UTMP_FILE
+#define SIGHT_UTMP_FILE UTMP_FILE
+#else
+#define SIGHT_UTMP_FILE _PATH_UTMP
+#endif
+#endif
+
+
 static const char etc_usr[] = "/etc/passwd";
 
 /*
@@ -236,7 +250,100 @@
 
 SIGHT_EXPORT_DECLARE(jobjectArray, User, who0)(SIGHT_STDARGS)
 {
+    FILE *fu;
+#if defined(_sun)
+    struct futmpx su;
+#else
+    struct utmp su;
+#endif
+    jsize i, j, nusers = 0;
+    jobjectArray users = NULL;
+    cache_table_t *tuc;
+    cache_entry_t *e;
+    sight_arr_t   *tusr = NULL;
 
-    UNREFERENCED_STDARGS;
-    return NULL;
+
+    UNREFERENCED_O;
+    if (!(tuc = cache_new(16))) {
+        return NULL;
+    }
+    if (!(tusr = sight_arr_cload(etc_usr, "#"))) {
+        goto cleanup;
+    }
+    if (!(fu = fopen(SIGHT_UTMP_FILE, "r"))) {        
+        goto cleanup;
+    }    
+    /* Read the user sessions */
+    while (fread(&su, sizeof(su), 1, fu)) {
+        if (!*su.ut_name)
+            continue;
+#ifdef USER_PROCESS
+        if (su.ut_type != USER_PROCESS)
+            continue;
+#endif
+        e = cache_add(tuc, su.ut_name);        
+    }
+    fclose(fu);
+    if ((nusers = tuc->siz) > 0)
+        users = (*_E)->NewObjectArray(_E, nusers, _clazzn.a, NULL);
+    if (!users) {
+        goto cleanup;
+    }
+    for (j = 0; j < nusers; j++) {
+        jobject u;
+        posix_user_t *nu;
+        if (!(nu = (posix_user_t *)sight_malloc(_E,
+                                                sizeof(posix_user_t),
+                                                THROW_FMARK))) {
+            users = NULL;
+            goto cleanup;
+        }
+        nu->uid = -1;
+        nu->gid = -1;
+        if (!(u = new_user_class(_E, _O, P2J(nu)))) {
+            free(nu);
+            users = NULL;
+            goto cleanup;
+        }
+
+        for (i = 0; i < tusr->siz; i++) {
+            int  uid;
+            char *uname;
+            char *token;
+            char *titer;
+        
+            /* 1. UserName */
+            uname = sight_strtok_c(tusr->arr.ca[i], ':', &titer);
+            if (strcmp(uname, tuc->list[j]->key)) {
+                continue;
+            }
+            else {
+                /* 2. Password */
+                token = sight_strtok_c(NULL, ':', &titer);
+                /* 3. UID */
+                token = sight_strtok_c(NULL, ':', &titer);
+                nu->uid = sight_strtoi32(token);
+                SET_IFIELD_S(0000, u, uname);
+                SET_IFIELD_J(0003, u, (jlong) nu->uid);
+                /* 4. GID */
+                token = sight_strtok_c(NULL, ':', &titer);
+                nu->gid = sight_strtoi32(token);
+                /* 5. FullName */
+                token = sight_strtok_c(NULL, ':', &titer);
+                SET_IFIELD_N(0001, u, token);
+                /* 6. Home */
+                token = sight_strtok_c(NULL, ':', &titer);
+                SET_IFIELD_N(0004, u, token);
+                break;
+            }
+        }
+        (*_E)->SetObjectArrayElement(_E, users, j, u);
+        (*_E)->DeleteLocalRef(_E, u);
+    }
+
+cleanup:
+    if (tusr)
+        sight_arr_free(tusr);
+    cache_free(tuc, NULL);
+    return users;
 }