rpm/build/parseSpec.c

521 lines
13 KiB
C

#include "system.h"
static int _debug = 0;
#include <rpmbuild.h>
#include <rpmurl.h>
static struct PartRec {
int part;
int len;
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)
{
for (; p->token != NULL; p++)
p->len = strlen(p->token);
}
int isPart(char *line)
{
char c;
struct PartRec *p;
if (partList[0].len == 0)
initParts(partList);
for (p = partList; p->token != NULL; p++) {
if (! strncasecmp(line, p->token, p->len)) {
c = *(line + p->len);
if (c == '\0' || isspace(c)) {
break;
}
}
}
if (p->token) {
return p->part;
} else {
return 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) ) {
SKIPSPACE(b);
be = b;
SKIPNONSPACE(be);
if (be == b)
break;
/*
* XXX The strncasecmp below is necessary so the old (rpm < 2.90) style
* XXX os-from-uname (e.g. "Linux") is compatible with the new
* XXX os-from-platform (e.g "linux" from "sparc-*-linux").
*/
if (toklen != (be-b) || strncasecmp(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)
{
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)
{
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;
if (expandMacros(spec, spec->macros, spec->lbuf, sizeof(spec->lbuf))) {
rpmError(RPMERR_BADSPEC, _("line %d: %s"), 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 (!isspace(ch))
last = spec->nextline;
}
/* Save 1st char of next line in order to terminate current line. */
if (*spec->nextline) {
spec->nextpeekc = *spec->nextline;
*spec->nextline = '\0';
}
if (strip & STRIP_COMMENTS)
handleComments(spec->line);
if (strip & STRIP_TRAILINGSPACE)
*last = '\0';
return 0;
}
/* returns 0 - success */
/* 1 - EOF */
/* <0 - error */
int readLine(Spec spec, int strip)
{
const char *arch, *os;
char *s;
int match;
struct ReadLevelEntry *rl;
OFI_t *ofi = spec->fileStack;
int rc;
retry:
/* Make sure the current file is open */
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;
}
/* Make sure we have something in the read buffer */
if (!(ofi->readPtr && *(ofi->readPtr))) {
if (!fgets(ofi->readBuf, BUFSIZ, fdGetFp(ofi->fd))) {
/* EOF */
if (spec->readStack->next) {
rpmError(RPMERR_UNMATCHEDIF, _("Unclosed %%if"));
return RPMERR_UNMATCHEDIF;
}
/* remove this file from the stack */
spec->fileStack = ofi->next;
Fclose(ofi->fd);
FREE(ofi->fileName);
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) {
struct 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);
}
}
rpmGetArchInfo(&arch, NULL);
rpmGetOsInfo(&os, NULL);
/* 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)) {
s += 7;
match = matchTok(arch, s);
} else if (! strncmp("%ifnarch", s, sizeof("%ifnarch")-1)) {
s += 8;
match = !matchTok(arch, s);
} else if (! strncmp("%ifos", s, sizeof("%ifos")-1)) {
s += 5;
match = matchTok(os, s);
} else if (! strncmp("%ifnos", s, sizeof("%ifnos")-1)) {
s += 6;
match = !matchTok(os, s);
} else if (! strncmp("%if", s, sizeof("%if")-1)) {
s += 3;
match = parseExpressionBoolean(spec, s);
if (match < 0) {
rpmError(RPMERR_UNMATCHEDIF, _("%s:%d: parseExpressionBoolean returns %d"),
ofi->fileName, ofi->lineNum, match);
return RPMERR_BADSPEC;
}
} 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"),
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"),
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 (! isspace(*fileName)) {
rpmError(RPMERR_BADSPEC, _("malformed %%include statement"));
return RPMERR_BADSPEC;
}
SKIPSPACE(fileName);
endFileName = fileName;
SKIPNONSPACE(endFileName);
p = endFileName;
SKIPSPACE(p);
if (*p != '\0') {
rpmError(RPMERR_BADSPEC, _("malformed %%include statement"));
return RPMERR_BADSPEC;
}
*endFileName = '\0';
forceIncludeFile(spec, fileName);
ofi = spec->fileStack;
goto retry;
}
if (match != -1) {
rl = xmalloc(sizeof(struct ReadLevelEntry));
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';
}
return 0;
}
void closeSpec(Spec spec)
{
OFI_t *ofi;
while (spec->fileStack) {
ofi = spec->fileStack;
spec->fileStack = spec->fileStack->next;
if (ofi->fd) Fclose(ofi->fd);
FREE(ofi->fileName);
free(ofi);
}
}
int noLang = 0; /* XXX FIXME: pass as arg */
int parseSpec(Spec *specp, const char *specFile, const char *rootURL,
const char *buildRootURL, int inBuildArch, const char *passPhrase,
char *cookie, int anyarch, int force)
{
int parsePart = PART_PREAMBLE;
int initialPackage = 1;
char *name;
const char *saveArch;
Package pkg;
int x, index;
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);
if (buildRootURL) {
const char * buildRoot;
(void) urlPath(buildRootURL, &buildRoot);
if (*buildRoot == '\0') buildRoot = "/";
if (!strcmp(buildRoot, "/")) {
rpmError(RPMERR_BADSPEC,
_("BuildRoot can not be \"/\": %s"), 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->inBuildArchitectures = inBuildArch;
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. */
while (parsePart != PART_NONE) {
switch (parsePart) {
case PART_PREAMBLE:
parsePart = parsePreamble(spec, initialPackage);
initialPackage = 0;
break;
case PART_PREP:
parsePart = parsePrep(spec);
break;
case PART_BUILD:
case PART_INSTALL:
case PART_CLEAN:
parsePart = parseBuildInstallClean(spec, parsePart);
break;
case PART_CHANGELOG:
parsePart = parseChangelog(spec);
break;
case PART_DESCRIPTION:
parsePart = parseDescription(spec);
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);
break;
case PART_FILES:
parsePart = parseFiles(spec);
break;
}
if (parsePart < 0) {
freeSpec(spec);
return parsePart;
}
if (parsePart == PART_BUILDARCHITECTURES) {
spec->buildArchitectureSpecs =
xmalloc(sizeof(Spec) * spec->buildArchitectureCount);
index = 0;
for (x = 0; x < spec->buildArchitectureCount; x++) {
if (rpmMachineScore(RPM_MACHTABLE_BUILDARCH,
spec->buildArchitectures[x])) {
rpmGetMachine(&saveArch, NULL);
saveArch = xstrdup(saveArch);
rpmSetMachine(spec->buildArchitectures[x], NULL);
if (parseSpec(&(spec->buildArchitectureSpecs[index]),
specFile, spec->rootURL, buildRootURL, 1,
passPhrase, cookie, anyarch, force)) {
spec->buildArchitectureCount = index;
freeSpec(spec);
return RPMERR_BADSPEC;
}
rpmSetMachine(saveArch, NULL);
xfree(saveArch);
index++;
}
}
spec->buildArchitectureCount = index;
if (! index) {
freeSpec(spec);
rpmError(RPMERR_BADSPEC, _("No buildable architectures"));
return RPMERR_BADSPEC;
}
/* XXX HACK: Swap sl/st with child.
* The restart of the parse when encountering BuildArch
* causes problems for "rpm -q --specfile --specedit"
* which needs to keep track of the entire spec file.
*/
if (spec->sl && spec->st) {
Spec nspec = *spec->buildArchitectureSpecs;
struct speclines *sl = spec->sl;
struct spectags *st = spec->st;
spec->sl = nspec->sl;
spec->st = nspec->st;
nspec->sl = sl;
nspec->st = st;
}
closeSpec(spec);
*specp = spec;
return 0;
}
}
/* Check for description in each package and add arch and os */
{ const char *arch, *os;
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;
}
for (pkg = spec->packages; pkg != NULL; pkg = pkg->next) {
headerGetEntry(pkg->header, RPMTAG_NAME, NULL, (void **) &name, NULL);
if (!headerIsEntry(pkg->header, RPMTAG_DESCRIPTION)) {
rpmError(RPMERR_BADSPEC, _("Package has no %%description: %s"), name);
freeSpec(spec);
return RPMERR_BADSPEC;
}
headerAddEntry(pkg->header, RPMTAG_OS, RPM_STRING_TYPE, os, 1);
headerAddEntry(pkg->header, RPMTAG_ARCH, RPM_STRING_TYPE, arch, 1);
}
FREE(myos);
}
closeSpec(spec);
*specp = spec;
return 0;
}