rpm-build/build/parseSpec.c

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2002-03-25 23:16:26 +03:00
/** \ingroup rpmbuild
* \file build/parseSpec.c
* Top level dispatcher for spec file parsing.
*/
#include "system.h"
/*@unchecked@*/
static int _debug = 0;
extern char *_rpm_nosource, *_rpm_nopatch;
#include "rpmio_internal.h"
#include "rpmbuild.h"
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#include "debug.h"
/*@access FD_t @*/ /* compared with NULL */
/**
*/
/*@unchecked@*/
static struct PartRec {
int part;
int len;
/*@observer@*/ /*@null@*/ const char * token;
} partList[] = {
{ PART_PREAMBLE, 0, "%package"},
{ PART_PREP, 0, "%prep"},
{ PART_BUILD, 0, "%build"},
{ PART_INSTALL, 0, "%install"},
{ PART_CLEAN, 0, "%clean"},
{ PART_PREUN, 0, "%preun"},
{ PART_POSTUN, 0, "%postun"},
{ PART_PRE, 0, "%pre"},
{ PART_POST, 0, "%post"},
{ PART_FILES, 0, "%files"},
{ PART_CHANGELOG, 0, "%changelog"},
{ PART_DESCRIPTION, 0, "%description"},
{ PART_TRIGGERPOSTUN, 0, "%triggerpostun"},
{ PART_TRIGGERUN, 0, "%triggerun"},
{ PART_TRIGGERIN, 0, "%triggerin"},
{ PART_TRIGGERIN, 0, "%trigger"},
{ PART_VERIFYSCRIPT, 0, "%verifyscript"},
{0, 0, 0}
};
/**
*/
static inline void initParts(struct PartRec *p)
/*@modifies p->len @*/
{
for (; p->token != NULL; p++)
p->len = strlen(p->token);
}
rpmParseState isPart(const char *line)
{
struct PartRec *p;
if (partList[0].len == 0)
initParts(partList);
for (p = partList; p->token != NULL; p++) {
char c;
if (xstrncasecmp(line, p->token, p->len))
continue;
c = *(line + p->len);
if (c == '\0' || xisspace(c))
break;
}
return (p->token ? p->part : PART_NONE);
}
/**
*/
static int matchTok(const char *token, const char *line)
/*@*/
{
const char *b, *be = line;
size_t toklen = strlen(token);
int rc = 0;
while ( *(b = be) != '\0' ) {
SKIPSPACE(b);
be = b;
SKIPNONSPACE(be);
if (be == b)
break;
if (toklen != (be-b) || xstrncasecmp(token, b, (be-b)))
continue;
rc = 1;
break;
}
return rc;
}
void handleComments(char *s)
{
SKIPSPACE(s);
if (*s == '#')
*s = '\0';
}
/**
*/
static void forceIncludeFile(Spec spec, const char * fileName)
/*@modifies spec->fileStack @*/
{
OFI_t * ofi;
ofi = newOpenFileInfo();
ofi->fileName = xstrdup(fileName);
ofi->next = spec->fileStack;
spec->fileStack = ofi;
}
/**
*/
static int copyNextLine(Spec spec, OFI_t *ofi, int strip)
/*@globals rpmGlobalMacroContext,
fileSystem @*/
/*@modifies spec->nextline, spec->nextpeekc, spec->lbuf, spec->line,
ofi->readPtr,
rpmGlobalMacroContext, fileSystem @*/
{
char *last;
char ch;
/* Restore 1st char in (possible) next line */
if (spec->nextline != NULL && spec->nextpeekc != '\0') {
*spec->nextline = spec->nextpeekc;
spec->nextpeekc = '\0';
}
/* Expand next line from file into line buffer */
if (!(spec->nextline && *spec->nextline)) {
char *from, *to;
to = last = spec->lbuf;
from = ofi->readPtr;
ch = ' ';
while (*from && ch != '\n')
ch = *to++ = *from++;
*to++ = '\0';
ofi->readPtr = from;
/* Don't expand macros (eg. %define) in false branch of %if clause */
if (spec->readStack->reading &&
expandMacros(spec, spec->macros, spec->lbuf, sizeof(spec->lbuf))) {
rpmError(RPMERR_BADSPEC, _("line %d: %s\n"),
spec->lineNum, spec->lbuf);
return RPMERR_BADSPEC;
}
spec->nextline = spec->lbuf;
}
/* Find next line in expanded line buffer */
spec->line = last = spec->nextline;
ch = ' ';
while (*spec->nextline && ch != '\n') {
ch = *spec->nextline++;
if (!xisspace(ch))
last = spec->nextline;
}
/* Save 1st char of next line in order to terminate current line. */
if (*spec->nextline != '\0') {
spec->nextpeekc = *spec->nextline;
*spec->nextline = '\0';
}
if (strip & STRIP_COMMENTS)
handleComments(spec->line);
if (strip & STRIP_TRAILINGSPACE)
*last = '\0';
return 0;
}
int readLine(Spec spec, int strip)
{
#ifdef DYING
const char *arch;
const char *os;
#endif
char *s;
int match;
struct ReadLevelEntry *rl;
OFI_t *ofi = spec->fileStack;
int rc;
retry:
/* Make sure the current file is open */
/*@-branchstate@*/
if (ofi->fd == NULL) {
ofi->fd = Fopen(ofi->fileName, "r.fpio");
if (ofi->fd == NULL || Ferror(ofi->fd)) {
/* XXX Fstrerror */
rpmError(RPMERR_BADSPEC, _("Unable to open %s: %s\n"),
ofi->fileName, Fstrerror(ofi->fd));
return RPMERR_BADSPEC;
}
spec->lineNum = ofi->lineNum = 0;
}
/*@=branchstate@*/
/* Make sure we have something in the read buffer */
if (!(ofi->readPtr && *(ofi->readPtr))) {
/*@-type@*/ /* FIX: cast? */
FILE * f = fdGetFp(ofi->fd);
/*@=type@*/
if (f == NULL || !fgets(ofi->readBuf, BUFSIZ, f)) {
/* EOF */
if (spec->readStack->next) {
rpmError(RPMERR_UNMATCHEDIF, _("Unclosed %%if\n"));
return RPMERR_UNMATCHEDIF;
}
/* remove this file from the stack */
spec->fileStack = ofi->next;
(void) Fclose(ofi->fd);
ofi->fileName = _free(ofi->fileName);
ofi = _free(ofi);
/* only on last file do we signal EOF to caller */
ofi = spec->fileStack;
if (ofi == NULL)
return 1;
/* otherwise, go back and try the read again. */
goto retry;
}
ofi->readPtr = ofi->readBuf;
ofi->lineNum++;
spec->lineNum = ofi->lineNum;
if (spec->sl) {
speclines sl = spec->sl;
if (sl->sl_nlines == sl->sl_nalloc) {
sl->sl_nalloc += 100;
sl->sl_lines = (char **) xrealloc(sl->sl_lines,
sl->sl_nalloc * sizeof(*(sl->sl_lines)));
}
sl->sl_lines[sl->sl_nlines++] = xstrdup(ofi->readBuf);
}
}
#ifdef DYING
arch = NULL;
rpmGetArchInfo(&arch, NULL);
os = NULL;
rpmGetOsInfo(&os, NULL);
#endif
/* Copy next file line into the spec line buffer */
if ((rc = copyNextLine(spec, ofi, strip)) != 0)
return rc;
s = spec->line;
SKIPSPACE(s);
match = -1;
if (! strncmp("%ifarch", s, sizeof("%ifarch")-1)) {
const char *arch = rpmExpand("%{_target_cpu}", NULL);
s += 7;
match = matchTok(arch, s);
arch = _free(arch);
} else if (! strncmp("%ifnarch", s, sizeof("%ifnarch")-1)) {
const char *arch = rpmExpand("%{_target_cpu}", NULL);
s += 8;
match = !matchTok(arch, s);
arch = _free(arch);
} else if (! strncmp("%ifos", s, sizeof("%ifos")-1)) {
const char *os = rpmExpand("%{_target_os}", NULL);
s += 5;
match = matchTok(os, s);
os = _free(os);
} else if (! strncmp("%ifnos", s, sizeof("%ifnos")-1)) {
const char *os = rpmExpand("%{_target_os}", NULL);
s += 6;
match = !matchTok(os, s);
os = _free(os);
} else if (! strncmp("%if", s, sizeof("%if")-1)) {
s += 3;
match = parseExpressionBoolean(spec, s);
if (match < 0) {
if ( spec->readStack->reading ) {
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rpmError(RPMERR_UNMATCHEDIF,
_("%s:%d: parseExpressionBoolean returns %d\n"),
ofi->fileName, ofi->lineNum, match);
return RPMERR_BADSPEC;
} else {
match = 0;
}
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}
} else if (! strncmp("%else", s, sizeof("%else")-1)) {
s += 5;
if (! spec->readStack->next) {
/* Got an else with no %if ! */
rpmError(RPMERR_UNMATCHEDIF,
_("%s:%d: Got a %%else with no %%if\n"),
ofi->fileName, ofi->lineNum);
return RPMERR_UNMATCHEDIF;
}
spec->readStack->reading =
spec->readStack->next->reading && ! spec->readStack->reading;
spec->line[0] = '\0';
} else if (! strncmp("%endif", s, sizeof("%endif")-1)) {
s += 6;
if (! spec->readStack->next) {
/* Got an end with no %if ! */
rpmError(RPMERR_UNMATCHEDIF,
_("%s:%d: Got a %%endif with no %%if\n"),
ofi->fileName, ofi->lineNum);
return RPMERR_UNMATCHEDIF;
}
rl = spec->readStack;
spec->readStack = spec->readStack->next;
free(rl);
spec->line[0] = '\0';
} else if (! strncmp("%include", s, sizeof("%include")-1)) {
char *fileName, *endFileName, *p;
s += 8;
fileName = s;
if (! xisspace(*fileName)) {
rpmError(RPMERR_BADSPEC, _("malformed %%include statement\n"));
return RPMERR_BADSPEC;
}
SKIPSPACE(fileName);
endFileName = fileName;
SKIPNONSPACE(endFileName);
p = endFileName;
SKIPSPACE(p);
if (*p != '\0') {
rpmError(RPMERR_BADSPEC, _("malformed %%include statement\n"));
return RPMERR_BADSPEC;
}
*endFileName = '\0';
forceIncludeFile(spec, fileName);
ofi = spec->fileStack;
goto retry;
}
if (match != -1) {
rl = xmalloc(sizeof(*rl));
rl->reading = spec->readStack->reading && match;
rl->next = spec->readStack;
spec->readStack = rl;
spec->line[0] = '\0';
}
if (! spec->readStack->reading) {
spec->line[0] = '\0';
}
if (spec->preprocess_mode) {
char *chomped = xstrdup( spec->line );
int len = strlen( chomped );
if ( '\n' == chomped[len-1] )
chomped[len-1] = '\0';
puts( chomped );
chomped = _free( chomped );
}
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/*@-compmempass@*/ /* FIX: spec->readStack->next should be dependent */
return 0;
/*@=compmempass@*/
}
void closeSpec(Spec spec)
{
OFI_t *ofi;
while (spec->fileStack) {
ofi = spec->fileStack;
spec->fileStack = spec->fileStack->next;
if (ofi->fd) (void) Fclose(ofi->fd);
ofi->fileName = _free(ofi->fileName);
ofi = _free(ofi);
}
}
/*@-redecl@*/
/*@unchecked@*/
extern int noLang; /* XXX FIXME: pass as arg */
/*@=redecl@*/
/*@todo Skip parse recursion if os is not compatible. @*/
int parseSpec(Spec *specp, const char *specFile, const char *rootURL,
const char *buildRootURL, int recursing, const char *passPhrase,
char *cookie, int anyarch, int force, int preprocess)
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{
rpmParseState parsePart = PART_PREAMBLE;
int initialPackage = 1;
#ifdef DYING
const char *saveArch;
#endif
Package pkg;
Spec spec;
/* Set up a new Spec structure with no packages. */
spec = newSpec();
/*
* Note: rpmGetPath should guarantee a "canonical" path. That means
* that the following pathologies should be weeded out:
* //bin//sh
* //usr//bin/
* /.././../usr/../bin//./sh (XXX FIXME: dots not handled yet)
*/
spec->specFile = rpmGetPath(specFile, NULL);
spec->fileStack = newOpenFileInfo();
spec->fileStack->fileName = xstrdup(spec->specFile);
spec->preprocess_mode = preprocess;
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if (buildRootURL) {
const char * buildRoot;
(void) urlPath(buildRootURL, &buildRoot);
/*@-branchstate@*/
if (*buildRoot == '\0') buildRoot = "/";
/*@=branchstate@*/
if (!strcmp(buildRoot, "/")) {
rpmError(RPMERR_BADSPEC,
_("BuildRoot can not be \"/\": %s\n"), buildRootURL);
return RPMERR_BADSPEC;
}
spec->gotBuildRootURL = 1;
spec->buildRootURL = xstrdup(buildRootURL);
addMacro(spec->macros, "buildroot", NULL, buildRoot, RMIL_SPEC);
if (_debug)
fprintf(stderr, "*** PS buildRootURL(%s) %p macro set to %s\n", spec->buildRootURL, spec->buildRootURL, buildRoot);
}
addMacro(NULL, "_docdir", NULL, "%{_defaultdocdir}", RMIL_SPEC);
spec->recursing = recursing;
spec->anyarch = anyarch;
spec->force = force;
if (rootURL)
spec->rootURL = xstrdup(rootURL);
if (passPhrase)
spec->passPhrase = xstrdup(passPhrase);
if (cookie)
spec->cookie = xstrdup(cookie);
spec->timeCheck = rpmExpandNumeric("%{_timecheck}");
/* All the parse*() functions expect to have a line pre-read */
/* in the spec's line buffer. Except for parsePreamble(), */
/* which handles the initial entry into a spec file. */
/*@-infloops@*/ /* LCL: parsePart is modified @*/
while (parsePart < PART_LAST && parsePart != PART_NONE) {
switch (parsePart) {
case PART_PREAMBLE:
parsePart = parsePreamble(spec, initialPackage);
initialPackage = 0;
/*@switchbreak@*/ break;
case PART_PREP:
parsePart = parsePrep(spec);
/*@switchbreak@*/ break;
case PART_BUILD:
case PART_INSTALL:
case PART_CLEAN:
parsePart = parseBuildInstallClean(spec, parsePart);
/*@switchbreak@*/ break;
case PART_CHANGELOG:
parsePart = parseChangelog(spec);
/*@switchbreak@*/ break;
case PART_DESCRIPTION:
parsePart = parseDescription(spec);
/*@switchbreak@*/ break;
case PART_PRE:
case PART_POST:
case PART_PREUN:
case PART_POSTUN:
case PART_VERIFYSCRIPT:
case PART_TRIGGERIN:
case PART_TRIGGERUN:
case PART_TRIGGERPOSTUN:
parsePart = parseScript(spec, parsePart);
/*@switchbreak@*/ break;
case PART_FILES:
parsePart = parseFiles(spec);
/*@switchbreak@*/ break;
case PART_NONE: /* XXX avoid gcc whining */
case PART_LAST:
case PART_BUILDARCHITECTURES:
/*@switchbreak@*/ break;
}
if (parsePart >= PART_LAST) {
spec = freeSpec(spec);
return parsePart;
}
if (parsePart == PART_BUILDARCHITECTURES) {
int index;
int x;
closeSpec(spec);
/* LCL: sizeof(spec->BASpecs[0]) -nullderef whine here */
spec->BASpecs = xcalloc(spec->BACount, sizeof(*spec->BASpecs));
index = 0;
if (spec->BANames != NULL)
for (x = 0; x < spec->BACount; x++) {
/* Skip if not arch is not compatible. */
if (!rpmMachineScore(RPM_MACHTABLE_BUILDARCH, spec->BANames[x]))
/*@innercontinue@*/ continue;
#ifdef DYING
rpmGetMachine(&saveArch, NULL);
saveArch = xstrdup(saveArch);
rpmSetMachine(spec->BANames[x], NULL);
#else
addMacro(NULL, "_target_cpu", NULL, spec->BANames[x], RMIL_RPMRC);
#endif
spec->BASpecs[index] = NULL;
if (parseSpec(&(spec->BASpecs[index]),
specFile, spec->rootURL, buildRootURL, 1,
passPhrase, cookie, anyarch, force, preprocess))
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{
spec->BACount = index;
spec = freeSpec(spec);
return RPMERR_BADSPEC;
}
#ifdef DYING
rpmSetMachine(saveArch, NULL);
saveArch = _free(saveArch);
#else
delMacro(NULL, "_target_cpu");
#endif
index++;
}
spec->BACount = index;
if (! index) {
spec = freeSpec(spec);
rpmError(RPMERR_BADSPEC,
_("No compatible architectures found for build\n"));
return RPMERR_BADSPEC;
}
/*
* Return the 1st child's fully parsed Spec structure.
* The restart of the parse when encountering BuildArch
* causes problems for "rpm -q --specfile". This is
* still a hack because there may be more than 1 arch
* specified (unlikely but possible.) There's also the
* further problem that the macro context, particularly
* %{_target_cpu}, disagrees with the info in the header.
*/
/*@-branchstate@*/
if (spec->BACount >= 1) {
Spec nspec = spec->BASpecs[0];
spec->BASpecs = _free(spec->BASpecs);
spec = freeSpec(spec);
spec = nspec;
}
/*@=branchstate@*/
*specp = spec;
return 0;
}
}
/*@=infloops@*/ /* LCL: parsePart is modified @*/
/* Check for description in each package and add arch and os */
{
#ifdef DYING
const char *arch = NULL;
const char *os = NULL;
char *myos = NULL;
rpmGetArchInfo(&arch, NULL);
rpmGetOsInfo(&os, NULL);
/*
* XXX Capitalizing the 'L' is needed to insure that old
* XXX os-from-uname (e.g. "Linux") is compatible with the new
* XXX os-from-platform (e.g "linux" from "sparc-*-linux").
* XXX A copy of this string is embedded in headers.
*/
if (!strcmp(os, "linux")) {
myos = xstrdup(os);
*myos = 'L';
os = myos;
}
#else
const char *platform = rpmExpand("%{_target_platform}", NULL);
const char *arch = rpmExpand("%{_target_cpu}", NULL);
const char *os = rpmExpand("%{_target_os}", NULL);
#endif
for (pkg = spec->packages; pkg != NULL; pkg = pkg->next) {
if (!headerIsEntry(pkg->header, RPMTAG_DESCRIPTION)) {
const char * name;
(void) headerNVR(pkg->header, &name, NULL, NULL);
rpmError(RPMERR_BADSPEC, _("Package has no %%description: %s\n"),
name);
spec = freeSpec(spec);
return RPMERR_BADSPEC;
}
(void) headerAddEntry(pkg->header, RPMTAG_OS, RPM_STRING_TYPE, os, 1);
(void) headerAddEntry(pkg->header, RPMTAG_ARCH,
RPM_STRING_TYPE, arch, 1);
if (!headerIsEntry(pkg->header, RPMTAG_RHNPLATFORM))
(void) headerAddEntry(pkg->header, RPMTAG_RHNPLATFORM,
RPM_STRING_TYPE, arch, 1);
(void) headerAddEntry(pkg->header, RPMTAG_PLATFORM,
RPM_STRING_TYPE, platform, 1);
}
#ifdef DYING
myos = _free(myos);
#else
platform = _free(platform);
arch = _free(arch);
os = _free(os);
#endif
}
if ( _rpm_nosource || _rpm_nopatch )
{
spec->noSource = 1;
if ( _rpm_nosource ) parseNoSource( spec, _rpm_nosource, RPMTAG_NOSOURCE );
if( _rpm_nopatch ) parseNoSource( spec, _rpm_nopatch, RPMTAG_NOPATCH );
}
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closeSpec(spec);
*specp = spec;
return 0;
}