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import net-snmp-5.8-22.el8

This commit is contained in:
CentOS Sources 2021-10-06 11:48:29 -04:00 committed by Stepan Oksanichenko
parent db07951f02
commit b492226db8
7 changed files with 1417 additions and 1 deletions
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90
SOURCES/net-snmp-5.8-broken-errmsg.patch Normal file
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@ -0,0 +1,90 @@
diff -urNp a/agent/mibgroup/host/hrh_filesys.c b/agent/mibgroup/host/hrh_filesys.c
--- a/agent/mibgroup/host/hrh_filesys.c 2021-06-09 10:30:07.744455758 +0200
+++ b/agent/mibgroup/host/hrh_filesys.c 2021-06-09 10:32:50.657160232 +0200
@@ -219,6 +219,7 @@ var_hrhfilesys(struct variable *vp,
{
int fsys_idx;
static char *string;
+ static char empty_str[1];
fsys_idx =
header_hrhfilesys(vp, name, length, exact, var_len, write_method);
@@ -235,7 +236,7 @@ var_hrhfilesys(struct variable *vp,
*var_len = 0;
if (asprintf(&string, "%s", HRFS_entry->path) >= 0)
*var_len = strlen(string);
- return (u_char *) string;
+ return (u_char *)(string ? string : empty_str);
case HRFSYS_RMOUNT:
free(string);
if (HRFS_entry->flags & NETSNMP_FS_FLAG_REMOTE) {
@@ -245,7 +246,7 @@ var_hrhfilesys(struct variable *vp,
string = strdup("");
}
*var_len = string ? strlen(string) : 0;
- return (u_char *) string;
+ return (u_char *)(string ? string : empty_str);
case HRFSYS_TYPE:
fsys_type_id[fsys_type_len - 1] =
diff -urNp a/agent/mibgroup/ucd-snmp/disk.c b/agent/mibgroup/ucd-snmp/disk.c
--- a/agent/mibgroup/ucd-snmp/disk.c 2021-06-09 10:30:07.728455689 +0200
+++ b/agent/mibgroup/ucd-snmp/disk.c 2021-06-09 10:34:32.722597366 +0200
@@ -842,6 +842,7 @@ var_extensible_disk(struct variable *vp,
struct dsk_entry entry;
static long long_ret;
static char *errmsg;
+ static char empty_str[1];
int i;
for (i = 0; i < numdisks; i++){
@@ -950,7 +951,7 @@ tryAgain:
*var_len = strlen(errmsg);
}
}
- return (u_char *) (errmsg);
+ return (u_char *)(errmsg ? errmsg : empty_str);
}
return NULL;
}
diff -urNp a/agent/mibgroup/ucd-snmp/disk_hw.c b/agent/mibgroup/ucd-snmp/disk_hw.c
--- a/agent/mibgroup/ucd-snmp/disk_hw.c 2021-06-09 10:30:07.727455684 +0200
+++ b/agent/mibgroup/ucd-snmp/disk_hw.c 2021-06-09 10:35:53.420943010 +0200
@@ -314,6 +314,7 @@ var_extensible_disk(struct variable *vp,
unsigned long long val;
static long long_ret;
static char *errmsg;
+ static char empty_str[1];
netsnmp_cache *cache;
/* Update the fsys H/W module */
@@ -432,7 +433,7 @@ tryAgain:
>= 0)) {
*var_len = strlen(errmsg);
}
- return (u_char *) errmsg;
+ return (u_char *)(errmsg ? errmsg : empty_str);
}
return NULL;
}
diff -urNp a/agent/mibgroup/ucd-snmp/proc.c b/agent/mibgroup/ucd-snmp/proc.c
--- a/agent/mibgroup/ucd-snmp/proc.c 2021-06-09 10:30:07.725455676 +0200
+++ b/agent/mibgroup/ucd-snmp/proc.c 2021-06-09 10:37:31.143361548 +0200
@@ -267,7 +267,7 @@ var_extensible_proc(struct variable *vp,
struct myproc *proc;
static long long_ret;
static char *errmsg;
-
+ static char empty_str[1];
if (header_simple_table
(vp, name, length, exact, var_len, write_method, numprocs))
@@ -330,7 +330,7 @@ var_extensible_proc(struct variable *vp,
}
}
*var_len = errmsg ? strlen(errmsg) : 0;
- return ((u_char *) errmsg);
+ return (u_char *)(errmsg ? errmsg : empty_str);
case ERRORFIX:
*write_method = fixProcError;
long_return = fixproc.result;

98
SOURCES/net-snmp-5.8-digest-from-ECC.patch Normal file
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@ -0,0 +1,98 @@
From a1968db524e087a36a19a351b89bf6f1633819aa Mon Sep 17 00:00:00 2001
From: minfrin <minfrin@users.noreply.github.com>
Date: Tue, 5 Jan 2021 23:17:14 +0000
Subject: [PATCH] Add support for digests detected from ECC certificates
Previously, the digest could be detected on RSA certificates only. This
patch adds detection for ECC certificates.
[ bvanassche: changed _htmap2 into a two-dimensional array and renamed _htmap2
back to _htmap ]
---
snmplib/snmp_openssl.c | 60 +++++++++++++++++++++++++++++++++++-------
1 file changed, 50 insertions(+), 10 deletions(-)
diff --git a/snmplib/snmp_openssl.c b/snmplib/snmp_openssl.c
index c092a007af..432cb5c27c 100644
--- a/snmplib/snmp_openssl.c
+++ b/snmplib/snmp_openssl.c
@@ -521,18 +521,54 @@ netsnmp_openssl_cert_dump_extensions(X509 *ocert)
}
}
-static int _htmap[NS_HASH_MAX + 1] = {
- 0, NID_md5WithRSAEncryption, NID_sha1WithRSAEncryption,
- NID_sha224WithRSAEncryption, NID_sha256WithRSAEncryption,
- NID_sha384WithRSAEncryption, NID_sha512WithRSAEncryption };
+static const struct {
+ uint16_t nid;
+ uint16_t ht;
+} _htmap[] = {
+ { 0, NS_HASH_NONE },
+#ifdef NID_md5WithRSAEncryption
+ { NID_md5WithRSAEncryption, NS_HASH_MD5 },
+#endif
+#ifdef NID_sha1WithRSAEncryption
+ { NID_sha1WithRSAEncryption, NS_HASH_SHA1 },
+#endif
+#ifdef NID_ecdsa_with_SHA1
+ { NID_ecdsa_with_SHA1, NS_HASH_SHA1 },
+#endif
+#ifdef NID_sha224WithRSAEncryption
+ { NID_sha224WithRSAEncryption, NS_HASH_SHA224 },
+#endif
+#ifdef NID_ecdsa_with_SHA224
+ { NID_ecdsa_with_SHA224, NS_HASH_SHA224 },
+#endif
+#ifdef NID_sha256WithRSAEncryption
+ { NID_sha256WithRSAEncryption, NS_HASH_SHA256 },
+#endif
+#ifdef NID_ecdsa_with_SHA256
+ { NID_ecdsa_with_SHA256, NS_HASH_SHA256 },
+#endif
+#ifdef NID_sha384WithRSAEncryption
+ { NID_sha384WithRSAEncryption, NS_HASH_SHA384 },
+#endif
+#ifdef NID_ecdsa_with_SHA384
+ { NID_ecdsa_with_SHA384, NS_HASH_SHA384 },
+#endif
+#ifdef NID_sha512WithRSAEncryption
+ { NID_sha512WithRSAEncryption, NS_HASH_SHA512 },
+#endif
+#ifdef NID_ecdsa_with_SHA512
+ { NID_ecdsa_with_SHA512, NS_HASH_SHA512 },
+#endif
+};
int
_nid2ht(int nid)
{
int i;
- for (i=1; i<= NS_HASH_MAX; ++i) {
- if (nid == _htmap[i])
- return i;
+
+ for (i = 0; i < sizeof(_htmap) / sizeof(_htmap[0]); i++) {
+ if (_htmap[i].nid == nid)
+ return _htmap[i].ht;
}
return 0;
}
@@ -541,9 +577,13 @@ _nid2ht(int nid)
int
_ht2nid(int ht)
{
- if ((ht < 0) || (ht > NS_HASH_MAX))
- return 0;
- return _htmap[ht];
+ int i;
+
+ for (i = 0; i < sizeof(_htmap) / sizeof(_htmap[0]); i++) {
+ if (_htmap[i].ht == ht)
+ return _htmap[i].nid;
+ }
+ return 0;
}
#endif /* NETSNMP_FEATURE_REMOVE_OPENSSL_HT2NID */

48
SOURCES/net-snmp-5.8-double-IP-parsing.patch Normal file
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@ -0,0 +1,48 @@
From 1bb941d6fcd7ac2db5a54b95ee0ed07ec9861e70 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Josef=20=C5=98=C3=ADdk=C3=BD?= <jridky@redhat.com>
Date: Fri, 12 Mar 2021 10:15:30 +0100
Subject: [PATCH] Prevent parsing IP address twice (#199)
This fixes issue, that is caused by parsing IP address twice.
First as IPv4 and as IPv6 at second, even thow the address was
properly parsed as a valid IPv4 address.
---
snmplib/transports/snmpUDPDomain.c | 2 +-
snmplib/transports/snmpUDPIPv6Domain.c | 10 +++++++++-
2 files changed, 10 insertions(+), 2 deletions(-)
diff --git a/snmplib/transports/snmpUDPDomain.c b/snmplib/transports/snmpUDPDomain.c
index b96497f3a3..b594a389b9 100644
--- a/snmplib/transports/snmpUDPDomain.c
+++ b/snmplib/transports/snmpUDPDomain.c
@@ -387,7 +387,7 @@ netsnmp_udp_parse_security(const char *token, char *param)
/* Nope, wasn't a dotted quad. Must be a hostname. */
int ret = netsnmp_gethostbyname_v4(sourcep, &network.s_addr);
if (ret < 0) {
- config_perror("cannot resolve source hostname");
+ config_perror("cannot resolve IPv4 source hostname");
return;
}
}
diff --git a/snmplib/transports/snmpUDPIPv6Domain.c b/snmplib/transports/snmpUDPIPv6Domain.c
index 238c8a9d63..7db19c5c02 100644
--- a/snmplib/transports/snmpUDPIPv6Domain.c
+++ b/snmplib/transports/snmpUDPIPv6Domain.c
@@ -736,7 +736,15 @@ netsnmp_udp6_parse_security(const char *token, char *param)
memset(&pton_addr.sin6_addr.s6_addr, '\0',
sizeof(struct in6_addr));
} else if (inet_pton(AF_INET6, sourcep, &pton_addr.sin6_addr) != 1) {
- /* Nope, wasn't a numeric address. Must be a hostname. */
+ /* Nope, wasn't a numeric IPv6 address. Must be IPv4 or a hostname. */
+
+ /* Try interpreting as dotted quad - IPv4 */
+ struct in_addr network;
+ if (inet_pton(AF_INET, sourcep, &network) > 0){
+ /* Yes, it's IPv4 - so it's already parsed and we can return. */
+ DEBUGMSGTL(("com2sec6", "IPv4 detected for IPv6 parser. Skipping.\n"));
+ return;
+ }
#if HAVE_GETADDRINFO
int gai_error;

25
SOURCES/net-snmp-5.8-engine-id.patch Normal file
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@ -0,0 +1,25 @@
From 79f014464ba761e2430cc767b021993ab9379822 Mon Sep 17 00:00:00 2001
From: Wes Hardaker <opensource@hardakers.net>
Date: Tue, 8 Jan 2019 08:52:29 -0800
Subject: [PATCH] NEWS: snmptrap: BUG: 2899: Patch from Drew Roedersheimer to
set library engineboots/time values before sending
---
apps/snmptrap.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/apps/snmptrap.c b/apps/snmptrap.c
index d16d2fa671..12808d07e4 100644
--- a/apps/snmptrap.c
+++ b/apps/snmptrap.c
@@ -237,6 +237,9 @@ main(int argc, char *argv[])
session.engineBoots = 1;
if (session.engineTime == 0) /* not really correct, */
session.engineTime = get_uptime(); /* but it'll work. Sort of. */
+
+ set_enginetime(session.securityEngineID, session.securityEngineIDLen,
+ session.engineBoots, session.engineTime, TRUE);
}
ss = snmp_add(&session,

67
SOURCES/net-snmp-5.8-fix-cert-crash.patch Normal file
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@ -0,0 +1,67 @@
diff -urNp a/snmplib/snmp_openssl.c b/snmplib/snmp_openssl.c
--- a/snmplib/snmp_openssl.c 2021-06-09 12:38:23.196037329 +0200
+++ b/snmplib/snmp_openssl.c 2021-06-09 12:44:11.782503048 +0200
@@ -284,31 +284,30 @@ _cert_get_extension(X509_EXTENSION *oex
}
if (X509V3_EXT_print(bio, oext, 0, 0) != 1) {
snmp_log(LOG_ERR, "could not print extension!\n");
- BIO_vfree(bio);
- return NULL;
+ goto out;
}
space = BIO_get_mem_data(bio, &data);
if (buf && *buf) {
- if (*len < space)
- buf_ptr = NULL;
- else
- buf_ptr = *buf;
+ if (*len < space +1) {
+ snmp_log(LOG_ERR, "not enough buffer space to print extension\n");
+ goto out;
+ }
+ buf_ptr = *buf;
+ } else {
+ buf_ptr = calloc(1, space + 1);
}
- else
- buf_ptr = calloc(1,space + 1);
if (!buf_ptr) {
- snmp_log(LOG_ERR,
- "not enough space or error in allocation for extenstion\n");
- BIO_vfree(bio);
- return NULL;
+ snmp_log(LOG_ERR, "error in allocation for extenstion\n");
+ goto out;
}
memcpy(buf_ptr, data, space);
buf_ptr[space] = 0;
if (len)
*len = space;
+out:
BIO_vfree(bio);
return buf_ptr;
@@ -479,7 +478,7 @@ netsnmp_openssl_cert_dump_extensions(X50
{
X509_EXTENSION *extension;
const char *extension_name;
- char buf[SNMP_MAXBUF_SMALL], *buf_ptr = buf, *str, *lf;
+ char buf[SNMP_MAXBUF], *buf_ptr = buf, *str, *lf;
int i, num_extensions, buf_len, nid;
if (NULL == ocert)
@@ -499,6 +498,11 @@ netsnmp_openssl_cert_dump_extensions(X50
extension_name = OBJ_nid2sn(nid);
buf_len = sizeof(buf);
str = _cert_get_extension_str_at(ocert, i, &buf_ptr, &buf_len, 0);
+ if (!str) {
+ DEBUGMSGT(("9:cert:dump", " %2d: %s\n", i,
+ extension_name));
+ continue;
+ }
lf = strchr(str, '\n'); /* look for multiline strings */
if (NULL != lf)
*lf = '\0'; /* only log first line of multiline here */

1066
SOURCES/net-snmp-5.8-intermediate-certs.patch Normal file
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File diff suppressed because it is too large Load Diff

24
SPECS/net-snmp.spec
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@ -10,7 +10,7 @@
Summary: A collection of SNMP protocol tools and libraries
Name: net-snmp
Version: 5.8
Release: 20%{?dist}
Release: 22%{?dist}
Epoch: 1
License: BSD
@ -62,6 +62,12 @@ Patch33: net-snmp-5.8-clientaddr-error-message.patch
Patch34: net-snmp-5.8-ipv6-disabled.patch
Patch35: net-snmp-5.8-empty-passphrase.patch
Patch36: net-snmp-5.8-asn-parse-nlength.patch
Patch37: net-snmp-5.8-double-IP-parsing.patch
Patch38: net-snmp-5.8-digest-from-ECC.patch
Patch39: net-snmp-5.8-broken-errmsg.patch
Patch40: net-snmp-5.8-intermediate-certs.patch
Patch41: net-snmp-5.8-fix-cert-crash.patch
Patch42: net-snmp-5.8-engine-id.patch
# Modern RPM API means at least EL6
Patch101: net-snmp-5.8-modern-rpm-api.patch
@ -223,6 +229,12 @@ rm -r python
%patch34 -p1 -b .ipv6-disabled
%patch35 -p1 -b .empty-passphrase
%patch36 -p1 -b .asn-parse-nlength
%patch37 -p1 -b .double-IP-parsing
%patch38 -p1 -b .digest-from-ECC
%patch39 -p1 -b .broken-errmsg
%patch40 -p1 -b .intermediate-certs
%patch41 -p1 -b .fix-cert-crash
%patch42 -p1 -b .engine-id
%patch101 -p1 -b .modern-rpm-api
@ -477,6 +489,16 @@ LD_LIBRARY_PATH=%{buildroot}/%{_libdir} make test
%{_libdir}/libnetsnmptrapd*.so.%{soname}*
%changelog
* Mon Jun 28 2021 Josef Ridky <jridky@redhat.com> - 1:5.8-22
- update engineTime when sending traps (#1973252)
* Wed Jun 09 2021 Josef Ridky <jridky@redhat.com> - 1:5.8-21
- prevent parsing IP address twice (#1768908)
- add support for digests detected from ECC certs (#1919714)
- fix broken ErrorMsg at ucd-snmp (#1933150)
- add support for intermediate certs (#1914656)
- fix crash of certs with longer extension (#1908718)
* Tue Jan 05 2021 Josef Ridky <jridky@redhat.com> - 1:5.8-20
- fix issue with parsing of long traps (#1912242)
- modify fix for #1877375