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tests/uspace/spawnv-root/.gitignore

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+rtapi.conf

tests/uspace/spawnv-root/control

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+Restrictions: sudo

tests/uspace/spawnv-root/test.sh

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+#!/bin/bash
+set -eo pipefail
+set -x
+
+. ./rtapi.conf
+
+if [ "$RTPREFIX" != uspace ]; then
+    echo "test only meaningful on uspace"
+    exit 0
+fi
+
+${SUDO} halcompile --install test_uspace_spawnv.c
+halrun test_uspace_spawnv.hal

tests/uspace/spawnv-root/test_uspace_spawnv.c

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+#include <rtapi.h>
+#include <rtapi_app.h>
+#include <errno.h>
+#include <stdio.h>
+#include <hal.h>
+#include <unistd.h>
+
+int comp;
+
+int rtapi_app_main() {
+    uid_t ruid_before, euid_before, suid_before;
+    uid_t ruid_after, euid_after, suid_after;
+    pid_t pid;
+    char * const argv[] = { "true", NULL };
+
+    comp = hal_init("test_uspace_spawnv");
+    if(comp < 0) { return comp; }
+
+    int e = 0, r = getresuid(&ruid_before, &euid_before, &suid_before);
+    if(r < 0) { e=errno; perror("getresuid before"); goto out; }
+    printf("getresuid() before: %d %d %d\n", 
+        (int) ruid_before, (int) euid_before, (int) suid_before);
+    rtapi_spawn_as_root(&pid, "true", NULL, NULL, argv, NULL);
+
+    r = getresuid(&ruid_after, &euid_after, &suid_after);
+    if(r < 0) { e=errno; perror("getresuid after"); goto out; }
+    printf("getresuid() after: %d %d %d\n", 
+        (int) ruid_after, (int) euid_after, (int) suid_after);
+
+    if(ruid_before != ruid_after) {
+        printf("ruid lost by rtapi_spawn_as_root %d -> %d\n", (int)ruid_before, (int)ruid_after);
+        e = EINVAL;
+    }
+    if(euid_before != euid_after) {
+        printf("euid lost by rtapi_spawn_as_root %d -> %d\n", (int)euid_before, (int)euid_after);
+        e = EINVAL;
+    }
+    if(suid_before != suid_after) {
+        printf("suid lost by rtapi_spawn_as_root %d -> %d\n", (int)suid_before, (int)suid_after);
+        e = EINVAL;
+    }
+out:
+    if(e == 0) {
+    printf("ready\n");
+        hal_ready(comp);
+    } else {
+    printf("fail\n");
+        hal_exit(comp);
+    }
+    printf("exiting\n");
+    return e;
+}
+
+void rtapi_app_exit() {
+    hal_exit(comp);
+}
+
+

tests/uspace/spawnv-root/test_uspace_spawnv.hal

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+loadrt and2 count=1
+loadrt test_uspace_spawnv