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test-nss: do not assume all symbols are defined

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It is OK for some symbols to be missing. With this change, "test-nss sss" can
be used to test nss-sss without crashing.

$ build-rawhide/test-nss sss fedoraproject.org
======== sss ========
_nss_sss_gethostbyname4_r not defined

_nss_sss_gethostbyname3_r not defined

_nss_sss_gethostbyname3_r not defined

_nss_sss_gethostbyname3_r not defined

_nss_sss_gethostbyname3_r not defined

_nss_sss_gethostbyname2_r("fedoraproject.org", AF_INET) → status=NSS_STATUS_NOTFOUND
                   errno=0/--- h_errno=-1/Resolver internal error

_nss_sss_gethostbyname2_r("fedoraproject.org", AF_INET6) → status=NSS_STATUS_NOTFOUND
                   errno=0/--- h_errno=-1/Resolver internal error

_nss_sss_gethostbyname2_r("fedoraproject.org", *) → status=NSS_STATUS_UNAVAIL
                   errno=97/EAFNOSUPPORT h_errno=-1/Resolver internal error

_nss_sss_gethostbyname2_r("fedoraproject.org", AF_UNIX) → status=NSS_STATUS_UNAVAIL
                   errno=97/EAFNOSUPPORT h_errno=-1/Resolver internal error

_nss_sss_gethostbyname_r("fedoraproject.org") → status=NSS_STATUS_NOTFOUND
                   errno=0/--- h_errno=-1/Resolver internal error
This commit is contained in:
Zbigniew Jędrzejewski-Szmek
2020-08-05 10:49:46 +02:00
parent 604b163a31
commit 08554d4725
1 changed files with 22 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/test/test-nss.c
+22 -6
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@@ -147,7 +147,10 @@ static void test_gethostbyname4_r(void *handle, const char *module, const char *
fname = strjoina("_nss_", module, "_gethostbyname4_r");
f = dlsym(handle, fname);
log_debug("dlsym(0x%p, %s) → 0x%p", handle, fname, f);
assert_se(f);
if (!f) {
log_info("%s not defined", fname);
return;
}
status = f(name, &pat, buffer, sizeof buffer, &errno1, &errno2, &ttl);
if (status == NSS_STATUS_SUCCESS) {
@@ -197,7 +200,10 @@ static void test_gethostbyname3_r(void *handle, const char *module, const char *
fname = strjoina("_nss_", module, "_gethostbyname3_r");
f = dlsym(handle, fname);
log_debug("dlsym(0x%p, %s) → 0x%p", handle, fname, f);
assert_se(f);
if (!f) {
log_info("%s not defined", fname);
return;
}
status = f(name, af, &host, buffer, sizeof buffer, &errno1, &errno2, &ttl, &canon);
log_info("%s(\"%s\", %s) → status=%s%-20serrno=%d/%s h_errno=%d/%s ttl=%"PRIi32,
@@ -223,7 +229,10 @@ static void test_gethostbyname2_r(void *handle, const char *module, const char *
fname = strjoina("_nss_", module, "_gethostbyname2_r");
f = dlsym(handle, fname);
log_debug("dlsym(0x%p, %s) → 0x%p", handle, fname, f);
assert_se(f);
if (!f) {
log_info("%s not defined", fname);
return;
}
status = f(name, af, &host, buffer, sizeof buffer, &errno1, &errno2);
log_info("%s(\"%s\", %s) → status=%s%-20serrno=%d/%s h_errno=%d/%s",
@@ -247,7 +256,10 @@ static void test_gethostbyname_r(void *handle, const char *module, const char *n
fname = strjoina("_nss_", module, "_gethostbyname_r");
f = dlsym(handle, fname);
log_debug("dlsym(0x%p, %s) → 0x%p", handle, fname, f);
assert_se(f);
if (!f) {
log_info("%s not defined", fname);
return;
}
status = f(name, &host, buffer, sizeof buffer, &errno1, &errno2);
log_info("%s(\"%s\") → status=%s%-20serrno=%d/%s h_errno=%d/%s",
@@ -279,8 +291,10 @@ static void test_gethostbyaddr2_r(void *handle,
log_full_errno(f ? LOG_DEBUG : LOG_INFO, errno,
"dlsym(0x%p, %s) → 0x%p: %m", handle, fname, f);
if (!f)
if (!f) {
log_info("%s not defined", fname);
return;
}
assert_se(in_addr_to_string(af, addr, &addr_pretty) >= 0);
@@ -314,8 +328,10 @@ static void test_gethostbyaddr_r(void *handle,
log_full_errno(f ? LOG_DEBUG : LOG_INFO, errno,
"dlsym(0x%p, %s) → 0x%p: %m", handle, fname, f);
if (!f)
if (!f) {
log_info("%s not defined", fname);
return;
}
assert_se(in_addr_to_string(af, addr, &addr_pretty) >= 0);