rpmbuild.c

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#include "system.h"
const char *__progname;

#include <errno.h>
#include <libgen.h>
#include <ctype.h>

#include <rpm/rpmcli.h>
#include <rpm/rpmlib.h>                 /* RPMSIGTAG, rpmReadPackageFile .. */
#include <rpm/rpmbuild.h>
#include <rpm/rpmlog.h>
#include <rpm/rpmfileutil.h>
#include <rpm/rpmdb.h>
#include <rpm/rpmps.h>
#include <rpm/rpmts.h>
#include "lib/signature.h"
#include "cliutils.h"

#include "debug.h"

static struct rpmBuildArguments_s rpmBTArgs;

#define POPT_NOLANG             -1012
#define POPT_RMSOURCE           -1013
#define POPT_RMBUILD            -1014
#define POPT_BUILDROOT          -1015
#define POPT_TARGETPLATFORM     -1016
#define POPT_NOBUILD            -1017
#define POPT_RMSPEC             -1019
#define POPT_NODIRTOKENS        -1020

#define POPT_REBUILD            0x4220
#define POPT_RECOMPILE          0x4320
#define POPT_BA                 0x6261
#define POPT_BB                 0x6262
#define POPT_BC                 0x6263
#define POPT_BI                 0x6269
#define POPT_BL                 0x626c
#define POPT_BP                 0x6270
#define POPT_BS                 0x6273
#define POPT_TA                 0x7461
#define POPT_TB                 0x7462
#define POPT_TC                 0x7463
#define POPT_TI                 0x7469
#define POPT_TL                 0x746c
#define POPT_TP                 0x7470
#define POPT_TS                 0x7473

extern int _fsm_debug;

static rpmSpecFlags spec_flags = 0;     
static int noDeps = 0;                  
static int shortCircuit = 0;            
static char buildMode = 0;              
static char buildChar = 0;              
static ARGV_t build_targets = NULL;     
static void buildArgCallback( poptContext con,
        enum poptCallbackReason reason,
        const struct poptOption * opt, const char * arg,
        const void * data)
{
    BTA_t rba = &rpmBTArgs;

    switch (opt->val) {
    case POPT_REBUILD:
    case POPT_RECOMPILE:
    case POPT_BA:
    case POPT_BB:
    case POPT_BC:
    case POPT_BI:
    case POPT_BL:
    case POPT_BP:
    case POPT_BS:
    case POPT_TA:
    case POPT_TB:
    case POPT_TC:
    case POPT_TI:
    case POPT_TL:
    case POPT_TP:
    case POPT_TS:
        if (opt->val == POPT_BS || opt->val == POPT_TS)
            noDeps = 1;
        if (buildMode == '\0' && buildChar == '\0') {
            buildMode = (((unsigned)opt->val) >> 8) & 0xff;
            buildChar = (opt->val     ) & 0xff;
        }
        break;

    case POPT_NODIRTOKENS: rba->pkgFlags |= RPMBUILD_PKG_NODIRTOKENS; break;
    case POPT_NOBUILD: rba->buildAmount |= RPMBUILD_NOBUILD; break;
    case POPT_NOLANG: spec_flags |= RPMSPEC_NOLANG; break;
    case POPT_RMSOURCE: rba->buildAmount |= RPMBUILD_RMSOURCE; break;
    case POPT_RMSPEC: rba->buildAmount |= RPMBUILD_RMSPEC; break;
    case POPT_RMBUILD: rba->buildAmount |= RPMBUILD_RMBUILD; break;
    case POPT_BUILDROOT:
        if (rba->buildRootOverride) {
            rpmlog(RPMLOG_ERR, _("buildroot already specified, ignoring %s\n"), arg);
            break;
        }
        rba->buildRootOverride = xstrdup(arg);
        break;
    case POPT_TARGETPLATFORM:
        argvSplit(&build_targets, arg, ",");
        break;

    case RPMCLI_POPT_FORCE:
        spec_flags |= RPMSPEC_FORCE;
        break;

    }
}

static struct poptOption rpmBuildPoptTable[] = {
 { NULL, '\0', POPT_ARG_CALLBACK | POPT_CBFLAG_INC_DATA | POPT_CBFLAG_CONTINUE,
        buildArgCallback, 0, NULL, NULL },

 { "bp", 0, POPT_ARGFLAG_ONEDASH, 0, POPT_BP,
        N_("build through %prep (unpack sources and apply patches) from <specfile>"),
        N_("<specfile>") },
 { "bc", 0, POPT_ARGFLAG_ONEDASH, 0, POPT_BC,
        N_("build through %build (%prep, then compile) from <specfile>"),
        N_("<specfile>") },
 { "bi", 0, POPT_ARGFLAG_ONEDASH, 0, POPT_BI,
        N_("build through %install (%prep, %build, then install) from <specfile>"),
        N_("<specfile>") },
 { "bl", 0, POPT_ARGFLAG_ONEDASH, 0, POPT_BL,
        N_("verify %files section from <specfile>"),
        N_("<specfile>") },
 { "ba", 0, POPT_ARGFLAG_ONEDASH, 0, POPT_BA,
        N_("build source and binary packages from <specfile>"),
        N_("<specfile>") },
 { "bb", 0, POPT_ARGFLAG_ONEDASH, 0, POPT_BB,
        N_("build binary package only from <specfile>"),
        N_("<specfile>") },
 { "bs", 0, POPT_ARGFLAG_ONEDASH, 0, POPT_BS,
        N_("build source package only from <specfile>"),
        N_("<specfile>") },

 { "tp", 0, POPT_ARGFLAG_ONEDASH, 0, POPT_TP,
        N_("build through %prep (unpack sources and apply patches) from <tarball>"),
        N_("<tarball>") },
 { "tc", 0, POPT_ARGFLAG_ONEDASH, 0, POPT_TC,
        N_("build through %build (%prep, then compile) from <tarball>"),
        N_("<tarball>") },
 { "ti", 0, POPT_ARGFLAG_ONEDASH, 0, POPT_TI,
        N_("build through %install (%prep, %build, then install) from <tarball>"),
        N_("<tarball>") },
 { "tl", 0, POPT_ARGFLAG_ONEDASH|POPT_ARGFLAG_DOC_HIDDEN, 0, POPT_TL,
        N_("verify %files section from <tarball>"),
        N_("<tarball>") },
 { "ta", 0, POPT_ARGFLAG_ONEDASH, 0, POPT_TA,
        N_("build source and binary packages from <tarball>"),
        N_("<tarball>") },
 { "tb", 0, POPT_ARGFLAG_ONEDASH, 0, POPT_TB,
        N_("build binary package only from <tarball>"),
        N_("<tarball>") },
 { "ts", 0, POPT_ARGFLAG_ONEDASH, 0, POPT_TS,
        N_("build source package only from <tarball>"),
        N_("<tarball>") },

 { "rebuild", '\0', 0, 0, POPT_REBUILD,
        N_("build binary package from <source package>"),
        N_("<source package>") },
 { "recompile", '\0', 0, 0, POPT_RECOMPILE,
        N_("build through %install (%prep, %build, then install) from <source package>"),
        N_("<source package>") },

 { "buildroot", '\0', POPT_ARG_STRING, 0,  POPT_BUILDROOT,
        N_("override build root"), "DIRECTORY" },
 { "clean", '\0', 0, 0, POPT_RMBUILD,
        N_("remove build tree when done"), NULL},
 { "force", '\0', POPT_ARGFLAG_DOC_HIDDEN, 0, RPMCLI_POPT_FORCE,
        N_("ignore ExcludeArch: directives from spec file"), NULL},
 { "fsmdebug", '\0', (POPT_ARG_VAL|POPT_ARGFLAG_DOC_HIDDEN), &_fsm_debug, -1,
        N_("debug file state machine"), NULL},
 { "nobuild", '\0', 0, 0,  POPT_NOBUILD,
        N_("do not execute any stages of the build"), NULL },
 { "nodeps", '\0', POPT_ARG_VAL, &noDeps, 1,
        N_("do not verify build dependencies"), NULL },
 { "nodirtokens", '\0', 0, 0, POPT_NODIRTOKENS,
        N_("generate package header(s) compatible with (legacy) rpm v3 packaging"),
        NULL},

 { "nolang", '\0', POPT_ARGFLAG_DOC_HIDDEN, 0, POPT_NOLANG,
        N_("do not accept i18N msgstr's from specfile"), NULL},
 { "rmsource", '\0', 0, 0, POPT_RMSOURCE,
        N_("remove sources when done"), NULL},
 { "rmspec", '\0', 0, 0, POPT_RMSPEC,
        N_("remove specfile when done"), NULL},
 { "short-circuit", '\0', POPT_ARG_VAL, &shortCircuit,  1,
        N_("skip straight to specified stage (only for c,i)"), NULL },
 { "target", '\0', POPT_ARG_STRING, 0,  POPT_TARGETPLATFORM,
        N_("override target platform"), "CPU-VENDOR-OS" },
   POPT_TABLEEND
};

enum modes {
    MODE_BUILD          = (1 <<  4),
    MODE_REBUILD        = (1 <<  5),
    MODE_RECOMPILE      = (1 <<  8),
    MODE_TARBUILD       = (1 << 11),
};

static int quiet;

/* the structure describing the options we take and the defaults */
static struct poptOption optionsTable[] = {

 { NULL, '\0', POPT_ARG_INCLUDE_TABLE, rpmBuildPoptTable, 0,
        N_("Build options with [ <specfile> | <tarball> | <source package> ]:"),
        NULL },

 { "quiet", '\0', POPT_ARGFLAG_DOC_HIDDEN, &quiet, 0, NULL, NULL},

 { NULL, '\0', POPT_ARG_INCLUDE_TABLE, rpmcliAllPoptTable, 0,
        N_("Common options for all rpm modes and executables:"),
        NULL },

   POPT_AUTOALIAS
   POPT_AUTOHELP
   POPT_TABLEEND
};

static int checkSpec(rpmts ts, rpmSpec spec)
{
    int rc;
    rpmps ps = rpmSpecCheckDeps(ts, spec);

    if (ps) {
        rpmlog(RPMLOG_ERR, _("Failed build dependencies:\n"));
        rpmpsPrint(NULL, ps);
    }
    rc = (ps != NULL);
    rpmpsFree(ps);
    return rc;
}

static int isSpecFile(const char * specfile)
{
    char buf[256];
    const char * s;
    FILE * f;
    int count;
    int checking;

    f = fopen(specfile, "r");
    if (f == NULL) {
        rpmlog(RPMLOG_ERR, _("Unable to open spec file %s: %s\n"),
                specfile, strerror(errno));
        return 0;
    }
    count = fread(buf, sizeof(buf[0]), sizeof(buf), f);
    (void) fclose(f);

    if (count == 0)
        return 0;

    checking = 1;
    for (s = buf; count--; s++) {
        switch (*s) {
        case '\r':
        case '\n':
            checking = 1;
            break;
        case ':':
            checking = 0;
            break;
        default:
#if 0
            if (checking && !(isprint(*s) || isspace(*s))) return 0;
            break;
#else
            if (checking && !(isprint(*s) || isspace(*s)) && *(unsigned char *)s < 32) return 0;
            break;
#endif
        }
    }
    return 1;
}

/* 
 * Try to find a spec from a tarball pointed to by arg. 
 * Return absolute path to spec name on success, otherwise NULL.
 */
static char * getTarSpec(const char *arg)
{
    char *specFile = NULL;
    char *specDir;
    char *specBase;
    char *tmpSpecFile;
    const char **spec;
    char tarbuf[BUFSIZ];
    int gotspec = 0, res;
    static const char *tryspec[] = { "Specfile", "\\*.spec", NULL };

    specDir = rpmGetPath("%{_specdir}", NULL);
    tmpSpecFile = rpmGetPath("%{_specdir}/", "rpm-spec.XXXXXX", NULL);

    (void) close(mkstemp(tmpSpecFile));

    for (spec = tryspec; *spec != NULL; spec++) {
        FILE *fp;
        char *cmd;

        cmd = rpmExpand("%{uncompress: ", arg, "} | ",
                        "%{__tar} xOvf - --wildcards ", *spec,
                        " 2>&1 > ", tmpSpecFile, NULL);

        if (!(fp = popen(cmd, "r"))) {
            rpmlog(RPMLOG_ERR, _("Failed to open tar pipe: %m\n"));
        } else {
            char *fok;
            for (;;) {
                fok = fgets(tarbuf, sizeof(tarbuf) - 1, fp);
                /* tar sometimes prints "tar: Record size = 16" messages */
                if (!fok || strncmp(fok, "tar: ", 5) != 0)
                    break;
            }
            pclose(fp);
            gotspec = (fok != NULL) && isSpecFile(tmpSpecFile);
        }

        if (!gotspec) 
            unlink(tmpSpecFile);
        free(cmd);
    }

    if (!gotspec) {
        rpmlog(RPMLOG_ERR, _("Failed to read spec file from %s\n"), arg);
        goto exit;
    }

    specBase = basename(tarbuf);
    /* remove trailing \n */
    specBase[strlen(specBase)-1] = '\0';

    rasprintf(&specFile, "%s/%s", specDir, specBase);
    res = rename(tmpSpecFile, specFile);

    if (res) {
        rpmlog(RPMLOG_ERR, _("Failed to rename %s to %s: %m\n"),
                tmpSpecFile, specFile);
        free(specFile);
        specFile = NULL;
    } else {
        /* mkstemp() can give unnecessarily strict permissions, fixup */
        mode_t mask;
        umask(mask = umask(0));
        (void) chmod(specFile, 0666 & ~mask);
    }

exit:
    (void) unlink(tmpSpecFile);
    free(tmpSpecFile);
    free(specDir);
    return specFile;
}

static int buildForTarget(rpmts ts, const char * arg, BTA_t ba)
{
    int buildAmount = ba->buildAmount;
    char * buildRootURL = NULL;
    char * specFile = NULL;
    rpmSpec spec = NULL;
    int rc = 1; /* assume failure */
    int justRm = ((buildAmount & ~(RPMBUILD_RMSOURCE|RPMBUILD_RMSPEC)) == 0);
    rpmSpecFlags specFlags = spec_flags;

    if (ba->buildRootOverride)
        buildRootURL = rpmGenPath(NULL, ba->buildRootOverride, NULL);

    /* Create build tree if necessary */
    const char * buildtree = "%{_topdir}:%{_specdir}:%{_sourcedir}:%{_builddir}:%{_rpmdir}:%{_srcrpmdir}:%{_buildrootdir}";
    const char * rootdir = rpmtsRootDir(ts);
    if (rpmMkdirs(!rstreq(rootdir, "/") ? rootdir : NULL , buildtree)) {
        goto exit;
    }

    if (buildMode == 't') {
        char *srcdir = NULL, *dir;

        specFile = getTarSpec(arg);
        if (!specFile)
            goto exit;

        /* Make the directory of the tarball %_sourcedir for this run */
        /* dirname() may modify contents so extra hoops needed. */
        if (*arg != '/') {
            dir = rpmGetCwd();
            rstrscat(&dir, "/", arg, NULL);
        } else {
            dir = xstrdup(arg);
        }
        srcdir = dirname(dir);
        addMacro(NULL, "_sourcedir", NULL, srcdir, RMIL_TARBALL);
        free(dir);
    } else {
        specFile = xstrdup(arg);
    }

    if (*specFile != '/') {
        char *cwd = rpmGetCwd();
        char *s = NULL;
        rasprintf(&s, "%s/%s", cwd, specFile);
        free(cwd);
        free(specFile);
        specFile = s;
    }

    struct stat st;
    if (stat(specFile, &st) < 0) {
        rpmlog(RPMLOG_ERR, _("failed to stat %s: %m\n"), specFile);
        goto exit;
    }
    if (! S_ISREG(st.st_mode)) {
        rpmlog(RPMLOG_ERR, _("File %s is not a regular file.\n"), specFile);
        goto exit;
    }

    /* Try to verify that the file is actually a specfile */
    if (!isSpecFile(specFile)) {
        rpmlog(RPMLOG_ERR,
                _("File %s does not appear to be a specfile.\n"), specFile);
        goto exit;
    }
    
    /* Don't parse spec if only its removal is requested */
    if (ba->buildAmount == RPMBUILD_RMSPEC) {
        rc = unlink(specFile);
        goto exit;
    }

    /* Parse the spec file */
#define _anyarch(_f)    \
(((_f)&(RPMBUILD_PREP|RPMBUILD_BUILD|RPMBUILD_INSTALL|RPMBUILD_PACKAGEBINARY)) == 0)
    if (_anyarch(buildAmount))
        specFlags |= RPMSPEC_ANYARCH;
#undef  _anyarch
    
    spec = rpmSpecParse(specFile, specFlags, buildRootURL);
    if (spec == NULL) {
        goto exit;
    }

    /* Check build prerequisites if necessary, unless disabled */
    if (!justRm && !noDeps && checkSpec(ts, spec)) {
        goto exit;
    }

    if (rpmSpecBuild(spec, ba)) {
        goto exit;
    }
    
    if (buildMode == 't')
        (void) unlink(specFile);
    rc = 0;

exit:
    free(specFile);
    rpmSpecFree(spec);
    free(buildRootURL);
    return rc;
}

static int build(rpmts ts, const char * arg, BTA_t ba, const char * rcfile)
{
    int rc = 0;
    char * targets = argvJoin(build_targets, ",");
#define buildCleanMask  (RPMBUILD_RMSOURCE|RPMBUILD_RMSPEC)
    int cleanFlags = ba->buildAmount & buildCleanMask;
    rpmVSFlags vsflags, ovsflags;

    vsflags = rpmExpandNumeric("%{_vsflags_build}");
    if (rpmcliQueryFlags & VERIFY_DIGEST)
        vsflags |= _RPMVSF_NODIGESTS;
    if (rpmcliQueryFlags & VERIFY_SIGNATURE)
        vsflags |= _RPMVSF_NOSIGNATURES;
    if (rpmcliQueryFlags & VERIFY_HDRCHK)
        vsflags |= RPMVSF_NOHDRCHK;
    ovsflags = rpmtsSetVSFlags(ts, vsflags);

    if (build_targets == NULL) {
        rc =  buildForTarget(ts, arg, ba);
        goto exit;
    }

    /* parse up the build operators */

    printf(_("Building target platforms: %s\n"), targets);

    ba->buildAmount &= ~buildCleanMask;
    for (ARGV_const_t target = build_targets; target && *target; target++) {
        /* Perform clean-up after last target build. */
        if (*(target + 1) == NULL)
            ba->buildAmount |= cleanFlags;

        printf(_("Building for target %s\n"), *target);

        /* Read in configuration for target. */
        rpmFreeMacros(NULL);
        rpmFreeRpmrc();
        (void) rpmReadConfigFiles(rcfile, *target);
        rc = buildForTarget(ts, arg, ba);
        if (rc)
            break;
    }

exit:
    rpmtsSetVSFlags(ts, ovsflags);
    /* Restore original configuration. */
    rpmFreeMacros(NULL);
    rpmFreeRpmrc();
    (void) rpmReadConfigFiles(rcfile, NULL);
    free(targets);

    return rc;
}

int main(int argc, char *argv[])
{
    rpmts ts = NULL;
    enum modes bigMode = MODE_BUILD;
    BTA_t ba = &rpmBTArgs;

    const char *pkg = NULL;
    int ec = 0;
    poptContext optCon = rpmcliInit(argc, argv, optionsTable);

    if (argc <= 1 || poptPeekArg(optCon) == NULL) {
        printUsage(optCon, stderr, 0);
        exit(EXIT_FAILURE);
    }

    switch (buildMode) {
    case 'b':   bigMode = MODE_BUILD;           break;
    case 't':   bigMode = MODE_TARBUILD;        break;
    case 'B':   bigMode = MODE_REBUILD;         break;
    case 'C':   bigMode = MODE_RECOMPILE;       break;
    }

    if (rpmcliRootDir && rpmcliRootDir[0] != '/') {
        argerror(_("arguments to --root (-r) must begin with a /"));
    }

    /* rpmbuild is rather chatty by default */
    rpmSetVerbosity(quiet ? RPMLOG_WARNING : RPMLOG_INFO);

    if (rpmcliPipeOutput && initPipe())
        exit(EXIT_FAILURE);
        
    ts = rpmtsCreate();
    (void) rpmtsSetRootDir(ts, rpmcliRootDir);
    switch (bigMode) {
    case MODE_REBUILD:
    case MODE_RECOMPILE:
        ba->buildAmount =
            RPMBUILD_PREP | RPMBUILD_BUILD | RPMBUILD_INSTALL | RPMBUILD_CHECK;
        if (bigMode == MODE_REBUILD) {
            ba->buildAmount |= RPMBUILD_PACKAGEBINARY;
            ba->buildAmount |= RPMBUILD_RMSOURCE;
            ba->buildAmount |= RPMBUILD_RMSPEC;
            ba->buildAmount |= RPMBUILD_CLEAN;
            ba->buildAmount |= RPMBUILD_RMBUILD;
        }

        while ((pkg = poptGetArg(optCon))) {
            char * specFile = NULL;

            ba->cookie = NULL;
            ec = rpmInstallSource(ts, pkg, &specFile, &ba->cookie);
            if (ec == 0) {
                ba->rootdir = rpmcliRootDir;
                ec = build(ts, specFile, ba, rpmcliRcfile);
            }
            ba->cookie = _free(ba->cookie);
            specFile = _free(specFile);

            if (ec)
                break;
        }
        break;
    case MODE_BUILD:
    case MODE_TARBUILD:
        switch (buildChar) {
        case 'a':
            ba->buildAmount |= RPMBUILD_PACKAGESOURCE;
        case 'b':
            ba->buildAmount |= RPMBUILD_PACKAGEBINARY;
            ba->buildAmount |= RPMBUILD_CLEAN;
            if ((buildChar == 'b') && shortCircuit)
                break;
        case 'i':
            ba->buildAmount |= RPMBUILD_INSTALL;
            ba->buildAmount |= RPMBUILD_CHECK;
            if ((buildChar == 'i') && shortCircuit)
                break;
        case 'c':
            ba->buildAmount |= RPMBUILD_BUILD;
            if ((buildChar == 'c') && shortCircuit)
                break;
        case 'p':
            ba->buildAmount |= RPMBUILD_PREP;
            break;
            
        case 'l':
            ba->buildAmount |= RPMBUILD_FILECHECK;
            break;
        case 's':
            ba->buildAmount |= RPMBUILD_PACKAGESOURCE;
            break;
        }

        while ((pkg = poptGetArg(optCon))) {
            ba->rootdir = rpmcliRootDir;
            ba->cookie = NULL;
            ec = build(ts, pkg, ba, rpmcliRcfile);
            if (ec)
                break;
            rpmFreeMacros(NULL);
            (void) rpmReadConfigFiles(rpmcliRcfile, NULL);
        }
        break;
    }

    rpmtsFree(ts);
    if (finishPipe())
        ec = EXIT_FAILURE;
    free(ba->buildRootOverride);
    argvFree(build_targets);

    rpmcliFini(optCon);

    return RETVAL(ec);
}