From 792693bb90768cfde4898e8dd31ee1b5de803d2f Mon Sep 17 00:00:00 2001
From: Alexander Kanavin <alex.kanavin@gmail.com>
Date: Thu, 8 Jun 2017 17:08:09 +0300
Subject: [PATCH] build/pack.c: remove static local variables from buildHost()
and getBuildTime()
Their use is causing difficult to diagnoze data races when building multiple
packages in parallel, and is a bad idea in general, as it also makes it more
difficult to reason about code.
Upstream-Status: Submitted [https://github.com/rpm-software-management/rpm/pull/226]
Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
---
build/build.c | 54 ++++++++++++++++++++++++++++--
build/pack.c | 84 +++++++++--------------------------------------
build/rpmbuild_internal.h | 8 +++--
3 files changed, 74 insertions(+), 72 deletions(-)
diff --git a/build/build.c b/build/build.c
index 13c3df2..b154f08 100644
--- a/build/build.c
+++ b/build/build.c
@@ -6,6 +6,8 @@
#include "system.h"
#include <errno.h>
+#include <netdb.h>
+#include <time.h>
#include <sys/wait.h>
#include <rpm/rpmlog.h>
@@ -16,6 +18,50 @@
#include "debug.h"
+static rpm_time_t getBuildTime(void)
+{
+ rpm_time_t buildTime = 0;
+ char *srcdate;
+ time_t epoch;
+ char *endptr;
+
+ srcdate = getenv("SOURCE_DATE_EPOCH");
+ if (srcdate) {
+ errno = 0;
+ epoch = strtol(srcdate, &endptr, 10);
+ if (srcdate == endptr || *endptr || errno != 0)
+ rpmlog(RPMLOG_ERR, _("unable to parse SOURCE_DATE_EPOCH\n"));
+ else
+ buildTime = (int32_t) epoch;
+ } else
+ buildTime = (int32_t) time(NULL);
+
+ return buildTime;
+}
+
+static char * buildHost(void)
+{
+ char* hostname;
+ struct hostent *hbn;
+ char *bhMacro;
+
+ bhMacro = rpmExpand("%{?_buildhost}", NULL);
+ if (strcmp(bhMacro, "") != 0) {
+ rasprintf(&hostname, "%s", bhMacro);
+ } else {
+ hostname = rcalloc(1024, sizeof(*hostname));
+ (void) gethostname(hostname, 1024);
+ hbn = gethostbyname(hostname);
+ if (hbn)
+ strcpy(hostname, hbn->h_name);
+ else
+ rpmlog(RPMLOG_WARNING,
+ _("Could not canonicalize hostname: %s\n"), hostname);
+ }
+ free(bhMacro);
+ return(hostname);
+}
+
/**
*/
static rpmRC doRmSource(rpmSpec spec)
@@ -201,6 +247,9 @@ static rpmRC buildSpec(BTA_t buildArgs, rpmSpec spec, int what)
rpmRC rc = RPMRC_OK;
int test = (what & RPMBUILD_NOBUILD);
char *cookie = buildArgs->cookie ? xstrdup(buildArgs->cookie) : NULL;
+ const char* host = buildHost();
+ rpm_time_t buildTime = getBuildTime();
+
if (rpmExpandNumeric("%{?source_date_epoch_from_changelog}") &&
getenv("SOURCE_DATE_EPOCH") == NULL) {
@@ -269,11 +318,11 @@ static rpmRC buildSpec(BTA_t buildArgs, rpmSpec spec, int what)
goto exit;
if (((what & RPMBUILD_PACKAGESOURCE) && !test) &&
- (rc = packageSources(spec, &cookie)))
+ (rc = packageSources(spec, &cookie, buildTime, host)))
goto exit;
if (((what & RPMBUILD_PACKAGEBINARY) && !test) &&
- (rc = packageBinaries(spec, cookie, (didBuild == 0))))
+ (rc = packageBinaries(spec, cookie, (didBuild == 0), buildTime, host)))
goto exit;
if ((what & RPMBUILD_CLEAN) &&
@@ -293,6 +342,7 @@ static rpmRC buildSpec(BTA_t buildArgs, rpmSpec spec, int what)
(void) unlink(spec->specFile);
exit:
+ free(host);
free(cookie);
spec->rootDir = NULL;
if (rc != RPMRC_OK && rpmlogGetNrecs() > 0) {
diff --git a/build/pack.c b/build/pack.c
index df15876..17a4b09 100644
--- a/build/pack.c
+++ b/build/pack.c
@@ -6,8 +6,6 @@
#include "system.h"
#include <errno.h>
-#include <netdb.h>
-#include <time.h>
#include <sys/wait.h>
#include <rpm/rpmlib.h> /* RPMSIGTAG*, rpmReadPackageFile */
@@ -152,57 +150,6 @@ exit:
return rc;
}
-static rpm_time_t * getBuildTime(void)
-{
- static rpm_time_t buildTime[1];
- char *srcdate;
- time_t epoch;
- char *endptr;
-
- if (buildTime[0] == 0) {
- srcdate = getenv("SOURCE_DATE_EPOCH");
- if (srcdate) {
- errno = 0;
- epoch = strtol(srcdate, &endptr, 10);
- if (srcdate == endptr || *endptr || errno != 0)
- rpmlog(RPMLOG_ERR, _("unable to parse SOURCE_DATE_EPOCH\n"));
- else
- buildTime[0] = (int32_t) epoch;
- } else
- buildTime[0] = (int32_t) time(NULL);
- }
-
- return buildTime;
-}
-
-static const char * buildHost(void)
-{
- static char hostname[1024];
- static int oneshot = 0;
- struct hostent *hbn;
- char *bhMacro;
-
- if (! oneshot) {
- bhMacro = rpmExpand("%{?_buildhost}", NULL);
- if (strcmp(bhMacro, "") != 0 && strlen(bhMacro) < 1024) {
- strcpy(hostname, bhMacro);
- } else {
- if (strcmp(bhMacro, "") != 0)
- rpmlog(RPMLOG_WARNING, _("The _buildhost macro is too long\n"));
- (void) gethostname(hostname, sizeof(hostname));
- hbn = gethostbyname(hostname);
- if (hbn)
- strcpy(hostname, hbn->h_name);
- else
- rpmlog(RPMLOG_WARNING,
- _("Could not canonicalize hostname: %s\n"), hostname);
- }
- free(bhMacro);
- oneshot = 1;
- }
- return(hostname);
-}
-
static rpmRC processScriptFiles(rpmSpec spec, Package pkg)
{
struct TriggerFileEntry *p;
@@ -476,7 +423,8 @@ exit:
* order to how the RPM format is laid on disk.
*/
static rpmRC writeRPM(Package pkg, unsigned char ** pkgidp,
- const char *fileName, char **cookie)
+ const char *fileName, char **cookie,
+ rpm_time_t buildTime, const char* buildHost)
{
FD_t fd = NULL;
char * rpmio_flags = NULL;
@@ -500,7 +448,7 @@ static rpmRC writeRPM(Package pkg, unsigned char ** pkgidp,
/* Create and add the cookie */
if (cookie) {
- rasprintf(cookie, "%s %d", buildHost(), (int) (*getBuildTime()));
+ rasprintf(cookie, "%s %d", buildHost, buildTime);
headerPutString(pkg->header, RPMTAG_COOKIE, *cookie);
}
@@ -641,7 +589,7 @@ static rpmRC checkPackages(char *pkgcheck)
return RPMRC_OK;
}
-static rpmRC packageBinary(rpmSpec spec, Package pkg, const char *cookie, int cheating, char** filename)
+static rpmRC packageBinary(rpmSpec spec, Package pkg, const char *cookie, int cheating, char** filename, rpm_time_t buildTime, const char* buildHost)
{
const char *errorString;
rpmRC rc = RPMRC_OK;
@@ -660,8 +608,8 @@ static rpmRC packageBinary(rpmSpec spec, Package pkg, const char *cookie, int ch
headerCopyTags(spec->packages->header, pkg->header, copyTags);
headerPutString(pkg->header, RPMTAG_RPMVERSION, VERSION);
- headerPutString(pkg->header, RPMTAG_BUILDHOST, buildHost());
- headerPutUint32(pkg->header, RPMTAG_BUILDTIME, getBuildTime(), 1);
+ headerPutString(pkg->header, RPMTAG_BUILDHOST, buildHost);
+ headerPutUint32(pkg->header, RPMTAG_BUILDTIME, &buildTime, 1);
if (spec->sourcePkgId != NULL) {
headerPutBin(pkg->header, RPMTAG_SOURCEPKGID, spec->sourcePkgId,16);
@@ -699,7 +647,7 @@ static rpmRC packageBinary(rpmSpec spec, Package pkg, const char *cookie, int ch
free(binRpm);
}
- rc = writeRPM(pkg, NULL, *filename, NULL);
+ rc = writeRPM(pkg, NULL, *filename, NULL, buildTime, buildHost);
if (rc == RPMRC_OK) {
/* Do check each written package if enabled */
char *pkgcheck = rpmExpand("%{?_build_pkgcheck} ", *filename, NULL);
@@ -719,7 +667,7 @@ struct binaryPackageTaskData
struct binaryPackageTaskData *next;
};
-static struct binaryPackageTaskData* runBinaryPackageTasks(rpmSpec spec, const char *cookie, int cheating)
+static struct binaryPackageTaskData* runBinaryPackageTasks(rpmSpec spec, const char *cookie, int cheating, rpm_time_t buildTime, char* buildHost)
{
struct binaryPackageTaskData *tasks = NULL;
struct binaryPackageTaskData *task = NULL;
@@ -731,7 +679,7 @@ static struct binaryPackageTaskData* runBinaryPackageTasks(rpmSpec spec, const c
if (pkg == spec->packages) {
// the first package needs to be processed ahead of others, as they copy
// changelog data from it, and so otherwise data races would happen
- task->result = packageBinary(spec, pkg, cookie, cheating, &(task->filename));
+ task->result = packageBinary(spec, pkg, cookie, cheating, &(task->filename), buildTime, buildHost);
rpmlog(RPMLOG_NOTICE, _("Finished binary package job, result %d, filename %s\n"), task->result, task->filename);
tasks = task;
}
@@ -748,7 +696,7 @@ static struct binaryPackageTaskData* runBinaryPackageTasks(rpmSpec spec, const c
if (task != tasks)
#pragma omp task
{
- task->result = packageBinary(spec, task->pkg, cookie, cheating, &(task->filename));
+ task->result = packageBinary(spec, task->pkg, cookie, cheating, &(task->filename), buildTime, buildHost);
rpmlog(RPMLOG_NOTICE, _("Finished binary package job, result %d, filename %s\n"), task->result, task->filename);
}
}
@@ -766,11 +714,11 @@ static void freeBinaryPackageTasks(struct binaryPackageTaskData* tasks)
}
}
-rpmRC packageBinaries(rpmSpec spec, const char *cookie, int cheating)
+rpmRC packageBinaries(rpmSpec spec, const char *cookie, int cheating, rpm_time_t buildTime, char* buildHost)
{
char *pkglist = NULL;
- struct binaryPackageTaskData *tasks = runBinaryPackageTasks(spec, cookie, cheating);
+ struct binaryPackageTaskData *tasks = runBinaryPackageTasks(spec, cookie, cheating, buildTime, buildHost);
for (struct binaryPackageTaskData *task = tasks; task != NULL; task = task->next) {
if (task->result == RPMRC_OK) {
@@ -797,7 +745,7 @@ rpmRC packageBinaries(rpmSpec spec, const char *cookie, int cheating)
return RPMRC_OK;
}
-rpmRC packageSources(rpmSpec spec, char **cookie)
+rpmRC packageSources(rpmSpec spec, char **cookie, rpm_time_t buildTime, char* buildHost)
{
Package sourcePkg = spec->sourcePackage;
rpmRC rc;
@@ -805,8 +753,8 @@ rpmRC packageSources(rpmSpec spec, char **cookie)
/* Add some cruft */
headerPutString(sourcePkg->header, RPMTAG_RPMVERSION, VERSION);
- headerPutString(sourcePkg->header, RPMTAG_BUILDHOST, buildHost());
- headerPutUint32(sourcePkg->header, RPMTAG_BUILDTIME, getBuildTime(), 1);
+ headerPutString(sourcePkg->header, RPMTAG_BUILDHOST, buildHost);
+ headerPutUint32(sourcePkg->header, RPMTAG_BUILDTIME, &buildTime, 1);
headerPutUint32(sourcePkg->header, RPMTAG_SOURCEPACKAGE, &one, 1);
/* XXX this should be %_srpmdir */
@@ -814,7 +762,7 @@ rpmRC packageSources(rpmSpec spec, char **cookie)
char *pkgcheck = rpmExpand("%{?_build_pkgcheck_srpm} ", fn, NULL);
spec->sourcePkgId = NULL;
- rc = writeRPM(sourcePkg, &spec->sourcePkgId, fn, cookie);
+ rc = writeRPM(sourcePkg, &spec->sourcePkgId, fn, cookie, buildTime, buildHost);
/* Do check SRPM package if enabled */
if (rc == RPMRC_OK && pkgcheck[0] != ' ') {
diff --git a/build/rpmbuild_internal.h b/build/rpmbuild_internal.h
index 439b7d3..07e8338 100644
--- a/build/rpmbuild_internal.h
+++ b/build/rpmbuild_internal.h
@@ -427,19 +427,23 @@ rpmRC processSourceFiles(rpmSpec spec, rpmBuildPkgFlags pkgFlags);
* @param spec spec file control structure
* @param cookie build identifier "cookie" or NULL
* @param cheating was build shortcircuited?
+ * @param buildTime the build timestamp that goes into packages
+ * @param buildHost the hostname where the build is happening
* @return RPMRC_OK on success
*/
RPM_GNUC_INTERNAL
-rpmRC packageBinaries(rpmSpec spec, const char *cookie, int cheating);
+rpmRC packageBinaries(rpmSpec spec, const char *cookie, int cheating, rpm_time_t buildTime, char* buildHost);
/** \ingroup rpmbuild
* Generate source package.
* @param spec spec file control structure
* @retval cookie build identifier "cookie" or NULL
+ * @param buildTime the build timestamp that goes into packages
+ * @param buildHost the hostname where the build is happening
* @return RPMRC_OK on success
*/
RPM_GNUC_INTERNAL
-rpmRC packageSources(rpmSpec spec, char **cookie);
+rpmRC packageSources(rpmSpec spec, char **cookie, rpm_time_t buildTime, char* buildHost);
RPM_GNUC_INTERNAL
int addLangTag(rpmSpec spec, Header h, rpmTagVal tag,