Пример #1
0
/**
 * @param #tags is a comma separated string of words.
 *              Both "" or NULL are equivalent.
 */
static void ClassInit(Class *cls,
                      const char *ns, const char *name,
                      bool is_soft, ContextScope scope, const char *tags)
{
    if (ns == NULL || strcmp(ns, "default") == 0)
    {
        cls->ns = NULL;
    }
    else
    {
        cls->ns = xstrdup(ns);
    }

    cls->name = xstrdup(name);
    CanonifyNameInPlace(cls->name);

    cls->is_soft = is_soft;
    cls->scope = scope;

    cls->tags = StringSetFromString(tags, ',');
    if (!is_soft && !StringSetContains(cls->tags, "hardclass"))
    {
        StringSetAdd(cls->tags, xstrdup("hardclass"));
    }
}
Пример #2
0
void EvalContextHeapAddHard(EvalContext *ctx, const char *context)
{
    char context_copy[CF_MAXVARSIZE];

    strcpy(context_copy, context);
    if (Chop(context_copy, CF_EXPANDSIZE) == -1)
    {
        CfOut(OUTPUT_LEVEL_ERROR, "", "Chop was called on a string that seemed to have no terminator");
    }
    CanonifyNameInPlace(context_copy);

    CfDebug("EvalContextHeapAddHard(%s)\n", context_copy);

    if (strlen(context_copy) == 0)
    {
        return;
    }

    if (IsRegexItemIn(ctx, ctx->heap_abort_current_bundle, context_copy))
    {
        CfOut(OUTPUT_LEVEL_ERROR, "", "Bundle aborted on defined class \"%s\"\n", context_copy);
        ABORTBUNDLE = true;
    }

    if (IsRegexItemIn(ctx, ctx->heap_abort, context_copy))
    {
        CfOut(OUTPUT_LEVEL_ERROR, "", "cf-agent aborted on defined class \"%s\"\n", context_copy);
        exit(1);
    }

    if (EvalContextHeapContainsHard(ctx, context_copy))
    {
        return;
    }

    StringSetAdd(ctx->heap_hard, xstrdup(context_copy));

    for (const Item *ip = ctx->heap_abort; ip != NULL; ip = ip->next)
    {
        if (IsDefinedClass(ctx, ip->name, NULL))
        {
            CfOut(OUTPUT_LEVEL_ERROR, "", "cf-agent aborted on defined class \"%s\" defined in bundle %s\n", ip->name, StackFrameOwnerName(LastStackFrame(ctx, 0)));
            exit(1);
        }
    }

    if (!ABORTBUNDLE)
    {
        for (const Item *ip = ctx->heap_abort_current_bundle; ip != NULL; ip = ip->next)
        {
            if (IsDefinedClass(ctx, ip->name, NULL))
            {
                CfOut(OUTPUT_LEVEL_ERROR, "", " -> Setting abort for \"%s\" when setting \"%s\"", ip->name, context_copy);
                ABORTBUNDLE = true;
                break;
            }
        }
    }
}
Пример #3
0
char *CanonifyName(const char *str)
{
    static char buffer[CF_BUFSIZE];

    strncpy(buffer, str, CF_BUFSIZE);
    CanonifyNameInPlace(buffer);
    return buffer;
}
Пример #4
0
/* TODO remove, kill, burn this function! */
char *CanonifyName(const char *str)
{
    static char buffer[CF_BUFSIZE]; /* GLOBAL_R, no initialization needed */

    strlcpy(buffer, str, CF_BUFSIZE);
    CanonifyNameInPlace(buffer);
    return buffer;
}
Пример #5
0
void BufferCanonify(Buffer *buffer)
{
    assert(buffer);
    if (buffer         != NULL &&
        buffer->buffer != NULL)
    {
        CanonifyNameInPlace(buffer->buffer);
    }
}
Пример #6
0
static PromiseResult ExpandPromiseAndDo(EvalContext *ctx, const Promise *pp,
                                        Rlist *lists, Rlist *containers,
                                        PromiseActuator *ActOnPromise, void *param)
{
    const char *handle = PromiseGetHandle(pp);

    EvalContextStackPushPromiseFrame(ctx, pp, true);

    PromiseIterator *iter_ctx = NULL;
    size_t i = 0;
    PromiseResult result = PROMISE_RESULT_NOOP;
    Buffer *expbuf = BufferNew();
    for (iter_ctx = PromiseIteratorNew(ctx, pp, lists, containers); PromiseIteratorHasMore(iter_ctx); i++, PromiseIteratorNext(iter_ctx))
    {
        if (handle)
        {
            // This ordering is necessary to get automated canonification
            BufferClear(expbuf);
            ExpandScalar(ctx, NULL, "this", handle, expbuf);
            CanonifyNameInPlace(BufferGet(expbuf));
            EvalContextVariablePutSpecial(ctx, SPECIAL_SCOPE_THIS, "handle", BufferData(expbuf), CF_DATA_TYPE_STRING, "source=promise");
        }
        else
        {
            EvalContextVariablePutSpecial(ctx, SPECIAL_SCOPE_THIS, "handle", PromiseID(pp), CF_DATA_TYPE_STRING, "source=promise");
        }

        const Promise *pexp = EvalContextStackPushPromiseIterationFrame(ctx, i, iter_ctx);
        if (!pexp)
        {
            // excluded
            result = PromiseResultUpdate(result, PROMISE_RESULT_SKIPPED);
            continue;
        }

        PromiseResult iteration_result = ActOnPromise(ctx, pexp, param);

        NotifyDependantPromises(ctx, pexp, iteration_result);
        result = PromiseResultUpdate(result, iteration_result);

        if (strcmp(pp->parent_promise_type->name, "vars") == 0 || strcmp(pp->parent_promise_type->name, "meta") == 0)
        {
            VerifyVarPromise(ctx, pexp, true);
        }

        EvalContextStackPopFrame(ctx);
    }

    BufferDestroy(expbuf);
    PromiseIteratorDestroy(iter_ctx);
    EvalContextStackPopFrame(ctx);

    return result;
}
Пример #7
0
static void AddAllClasses(EvalContext *ctx, const char *ns, const Rlist *list, bool persist, ContextStatePolicy policy, ContextScope context_scope)
{
    for (const Rlist *rp = list; rp != NULL; rp = rp->next)
    {
        char *classname = xstrdup(rp->item);

        CanonifyNameInPlace(classname);

        if (EvalContextHeapContainsHard(ctx, classname))
        {
            Log(LOG_LEVEL_ERR, "You cannot use reserved hard class '%s' as post-condition class", classname);
            // TODO: ok.. but should we take any action? continue; maybe?
        }

        if (persist > 0)
        {
            if (context_scope != CONTEXT_SCOPE_NAMESPACE)
            {
                Log(LOG_LEVEL_INFO, "Automatically promoting context scope for '%s' to namespace visibility, due to persistence", classname);
            }

            Log(LOG_LEVEL_VERBOSE, "Defining persistent promise result class '%s'", classname);
            EvalContextHeapPersistentSave(CanonifyName(rp->item), ns, persist, policy);
            EvalContextHeapAddSoft(ctx, classname, ns);
        }
        else
        {
            Log(LOG_LEVEL_VERBOSE, "Defining promise result class '%s'", classname);

            switch (context_scope)
            {
            case CONTEXT_SCOPE_BUNDLE:
                EvalContextStackFrameAddSoft(ctx, classname);
                break;

            default:
            case CONTEXT_SCOPE_NAMESPACE:
                EvalContextHeapAddSoft(ctx, classname, ns);
                break;
            }
        }
    }
}
Пример #8
0
static void PutHandleVariable(EvalContext *ctx, const Promise *pp)
{
    char *handle_s;
    const char *existing_handle = PromiseGetHandle(pp);

    if (existing_handle != NULL)
    {
        // This ordering is necessary to get automated canonification
        handle_s = ExpandScalar(ctx, NULL, "this", existing_handle, NULL);
        CanonifyNameInPlace(handle_s);
    }
    else
    {
        handle_s = xstrdup(PromiseID(pp));                /* default handle */
    }

    EvalContextVariablePutSpecial(ctx, SPECIAL_SCOPE_THIS,
                                  "handle", handle_s,
                                  CF_DATA_TYPE_STRING, "source=promise");
    free(handle_s);
}
Пример #9
0
void EvalContextHeapAddSoft(EvalContext *ctx, const char *context, const char *ns)
{
    char context_copy[CF_MAXVARSIZE];
    char canonified_context[CF_MAXVARSIZE];

    strcpy(canonified_context, context);
    if (Chop(canonified_context, CF_EXPANDSIZE) == -1)
    {
        Log(LOG_LEVEL_ERR, "Chop was called on a string that seemed to have no terminator");
    }
    CanonifyNameInPlace(canonified_context);
    
    if (ns && strcmp(ns, "default") != 0)
    {
        snprintf(context_copy, CF_MAXVARSIZE, "%s:%s", ns, canonified_context);
    }
    else
    {
        strncpy(context_copy, canonified_context, CF_MAXVARSIZE);
    }

    if (strlen(context_copy) == 0)
    {
        return;
    }

    if (IsRegexItemIn(ctx, ctx->heap_abort_current_bundle, context_copy))
    {
        Log(LOG_LEVEL_ERR, "Bundle aborted on defined class '%s'", context_copy);
        ABORTBUNDLE = true;
    }

    if (IsRegexItemIn(ctx, ctx->heap_abort, context_copy))
    {
        Log(LOG_LEVEL_ERR, "cf-agent aborted on defined class '%s'", context_copy);
        exit(1);
    }

    if (EvalContextHeapContainsSoft(ctx, context_copy))
    {
        return;
    }

    StringSetAdd(ctx->heap_soft, xstrdup(context_copy));

    for (const Item *ip = ctx->heap_abort; ip != NULL; ip = ip->next)
    {
        if (IsDefinedClass(ctx, ip->name, ns))
        {
            Log(LOG_LEVEL_ERR, "cf-agent aborted on defined class '%s' defined in bundle '%s'", ip->name, StackFrameOwnerName(LastStackFrame(ctx, 0)));
            exit(1);
        }
    }

    if (!ABORTBUNDLE)
    {
        for (const Item *ip = ctx->heap_abort_current_bundle; ip != NULL; ip = ip->next)
        {
            if (IsDefinedClass(ctx, ip->name, ns))
            {
                Log(LOG_LEVEL_ERR, "Setting abort for '%s' when setting '%s'", ip->name, context_copy);
                ABORTBUNDLE = true;
                break;
            }
        }
    }
}
Пример #10
0
void LocalExec(const ExecConfig *config)
{
    FILE *pp;
    char line[CF_BUFSIZE], line_escaped[sizeof(line) * 2], filename[CF_BUFSIZE], *sp;
    char cmd[CF_BUFSIZE], esc_command[CF_BUFSIZE];
    int print, count = 0;
    void *thread_name;
    time_t starttime = time(NULL);
    char starttime_str[64];
    FILE *fp;
    char canonified_fq_name[CF_BUFSIZE];

    thread_name = ThreadUniqueName();

    cf_strtimestamp_local(starttime, starttime_str);

    CfOut(cf_verbose, "", "------------------------------------------------------------------\n\n");
    CfOut(cf_verbose, "", "  LocalExec(%sscheduled) at %s\n", config->scheduled_run ? "" : "not ", starttime_str);
    CfOut(cf_verbose, "", "------------------------------------------------------------------\n");

/* Need to make sure we have LD_LIBRARY_PATH here or children will die  */

    if (strlen(config->exec_command) > 0)
    {
        strncpy(cmd, config->exec_command, CF_BUFSIZE - 1);

        if (!strstr(cmd, "-Dfrom_cfexecd"))
        {
            strcat(cmd, " -Dfrom_cfexecd");
        }
    }
    else
    {
        ConstructFailsafeCommand(config->scheduled_run, cmd);
    }

    strncpy(esc_command, MapName(cmd), CF_BUFSIZE - 1);

    snprintf(line, CF_BUFSIZE - 1, "_%jd_%s", (intmax_t) starttime, CanonifyName(cf_ctime(&starttime)));

    strlcpy(canonified_fq_name, config->fq_name, CF_BUFSIZE);
    CanonifyNameInPlace(canonified_fq_name);

    snprintf(filename, CF_BUFSIZE - 1, "%s/outputs/cf_%s_%s_%p", CFWORKDIR, canonified_fq_name, line, thread_name);
    MapName(filename);

/* What if no more processes? Could sacrifice and exec() - but we need a sentinel */

    if ((fp = fopen(filename, "w")) == NULL)
    {
        CfOut(cf_error, "fopen", "!! Couldn't open \"%s\" - aborting exec\n", filename);
        return;
    }

#if !defined(__MINGW32__)
/*
 * Don't inherit this file descriptor on fork/exec
 */

    if (fileno(fp) != -1)
    {
        fcntl(fileno(fp), F_SETFD, FD_CLOEXEC);
    }
#endif

    CfOut(cf_verbose, "", " -> Command => %s\n", cmd);

    if ((pp = cf_popen_sh(esc_command, "r")) == NULL)
    {
        CfOut(cf_error, "cf_popen", "!! Couldn't open pipe to command \"%s\"\n", cmd);
        fclose(fp);
        return;
    }

    CfOut(cf_verbose, "", " -> Command is executing...%s\n", esc_command);

    while (!feof(pp))
    {
        if(!IsReadReady(fileno(pp), (config->agent_expireafter * SECONDS_PER_MINUTE)))
        {
            char errmsg[CF_MAXVARSIZE];
            snprintf(errmsg, sizeof(errmsg), "cf-execd: !! Timeout waiting for output from agent (agent_expireafter=%d) - terminating it",
                     config->agent_expireafter);

            CfOut(cf_error, "", "%s", errmsg);
            fprintf(fp, "%s\n", errmsg);
            count++;

            pid_t pid_agent;

            if(PipeToPid(&pid_agent, pp))
            {
                ProcessSignalTerminate(pid_agent);
            }
            else
            {
                CfOut(cf_error, "", "!! Could not get PID of agent");
            }

            break;
        }

        {
            ssize_t num_read = CfReadLine(line, CF_BUFSIZE, pp);
            if (num_read == -1)
            {
                FatalError("Cannot continue on CfReadLine error");
            }
            else if (num_read == 0)
            {
                break;
            }
        }

        if(!CfReadLine(line, CF_BUFSIZE, pp))
        {
            break;
        }

        if (ferror(pp))
        {
            fflush(pp);
            break;
        }

        print = false;

        for (sp = line; *sp != '\0'; sp++)
        {
            if (!isspace((int) *sp))
            {
                print = true;
                break;
            }
        }

        if (print)
        {
            // we must escape print format chars (%) from output

            ReplaceStr(line, line_escaped, sizeof(line_escaped), "%", "%%");

            fprintf(fp, "%s\n", line_escaped);
            count++;

            /* If we can't send mail, log to syslog */

            if (strlen(config->mail_to_address) == 0)
            {
                strncat(line_escaped, "\n", sizeof(line_escaped) - 1 - strlen(line_escaped));
                if ((strchr(line_escaped, '\n')) == NULL)
                {
                    line_escaped[sizeof(line_escaped) - 2] = '\n';
                }

                CfOut(cf_inform, "", "%s", line_escaped);
            }

            line[0] = '\0';
            line_escaped[0] = '\0';
        }
    }

    cf_pclose(pp);
    CfDebug("Closing fp\n");
    fclose(fp);

    CfOut(cf_verbose, "", " -> Command is complete\n");

    if (count)
    {
        CfOut(cf_verbose, "", " -> Mailing result\n");
        MailResult(config, filename);
    }
    else
    {
        CfOut(cf_verbose, "", " -> No output\n");
        unlink(filename);
    }
}
Пример #11
0
static bool IsReadReady(int fd, int timeout_sec)
{
    fd_set  rset;
    FD_ZERO(&rset);
    FD_SET(fd, &rset);

    struct timeval tv = {
        .tv_sec = timeout_sec,
        .tv_usec = 0,
    };

    int ret = select(fd + 1, &rset, NULL, NULL, &tv);

    if(ret < 0)
    {
        Log(LOG_LEVEL_ERR, "IsReadReady: Failed checking for data. (select: %s)", GetErrorStr());
        return false;
    }

    if(FD_ISSET(fd, &rset))
    {
        return true;
    }

    if(ret == 0)  // timeout
    {
        return false;
    }

    // can we get here?
    Log(LOG_LEVEL_ERR, "IsReadReady: Unknown outcome (ret > 0 but our only fd is not set). (select: %s)", GetErrorStr());

    return false;
}
#if defined(__hpux) && defined(__GNUC__)
#pragma GCC diagnostic warning "-Wstrict-aliasing"
#endif

#endif  /* __MINGW32__ */

void LocalExec(const ExecConfig *config)
{
    time_t starttime = time(NULL);

    void *thread_name = ThreadUniqueName();

    {
        char starttime_str[64];
        cf_strtimestamp_local(starttime, starttime_str);

        if (LEGACY_OUTPUT)
        {
            Log(LOG_LEVEL_VERBOSE, "------------------------------------------------------------------");
            Log(LOG_LEVEL_VERBOSE, "  LocalExec(%sscheduled) at %s", config->scheduled_run ? "" : "not ", starttime_str);
            Log(LOG_LEVEL_VERBOSE, "------------------------------------------------------------------");
        }
        else
        {
            Log(LOG_LEVEL_VERBOSE, "LocalExec(%sscheduled) at %s", config->scheduled_run ? "" : "not ", starttime_str);
        }
    }

/* Need to make sure we have LD_LIBRARY_PATH here or children will die  */

    char cmd[CF_BUFSIZE];
    if (strlen(config->exec_command) > 0)
    {
        strncpy(cmd, config->exec_command, CF_BUFSIZE - 1);

        if (!strstr(cmd, "-Dfrom_cfexecd"))
        {
            strcat(cmd, " -Dfrom_cfexecd");
        }
    }
    else
    {
        ConstructFailsafeCommand(config->scheduled_run, cmd);
    }

    char esc_command[CF_BUFSIZE];
    strncpy(esc_command, MapName(cmd), CF_BUFSIZE - 1);

    char line[CF_BUFSIZE];
    snprintf(line, CF_BUFSIZE - 1, "_%jd_%s", (intmax_t) starttime, CanonifyName(ctime(&starttime)));

    char filename[CF_BUFSIZE];
    {
        char canonified_fq_name[CF_BUFSIZE];

        strlcpy(canonified_fq_name, config->fq_name, CF_BUFSIZE);
        CanonifyNameInPlace(canonified_fq_name);


        snprintf(filename, CF_BUFSIZE - 1, "%s/outputs/cf_%s_%s_%p", CFWORKDIR, canonified_fq_name, line, thread_name);
        MapName(filename);
    }


/* What if no more processes? Could sacrifice and exec() - but we need a sentinel */

    FILE *fp = fopen(filename, "w");
    if (!fp)
    {
        Log(LOG_LEVEL_ERR, "Couldn't open '%s' - aborting exec. (fopen: %s)", filename, GetErrorStr());
        return;
    }

#if !defined(__MINGW32__)
/*
 * Don't inherit this file descriptor on fork/exec
 */

    if (fileno(fp) != -1)
    {
        fcntl(fileno(fp), F_SETFD, FD_CLOEXEC);
    }
#endif

    Log(LOG_LEVEL_VERBOSE, "Command => %s", cmd);

    FILE *pp = cf_popen_sh(esc_command, "r");
    if (!pp)
    {
        Log(LOG_LEVEL_ERR, "Couldn't open pipe to command '%s'. (cf_popen: %s)", cmd, GetErrorStr());
        fclose(fp);
        return;
    }

    Log(LOG_LEVEL_VERBOSE, "Command is executing...%s", esc_command);

    int count = 0;
    for (;;)
    {
        if(!IsReadReady(fileno(pp), (config->agent_expireafter * SECONDS_PER_MINUTE)))
        {
            char errmsg[CF_MAXVARSIZE];
            snprintf(errmsg, sizeof(errmsg), "cf-execd: !! Timeout waiting for output from agent (agent_expireafter=%d) - terminating it",
                     config->agent_expireafter);

            Log(LOG_LEVEL_ERR, "%s", errmsg);
            fprintf(fp, "%s\n", errmsg);
            count++;

            pid_t pid_agent;

            if(PipeToPid(&pid_agent, pp))
            {
                ProcessSignalTerminate(pid_agent);
            }
            else
            {
                Log(LOG_LEVEL_ERR, "Could not get PID of agent");
            }

            break;
        }

        ssize_t res = CfReadLine(line, CF_BUFSIZE, pp);

        if (res == 0)
        {
            break;
        }

        if (res == -1)
        {
            Log(LOG_LEVEL_ERR, "Unable to read output from command '%s'. (cfread: %s)", cmd, GetErrorStr());
            cf_pclose(pp);
            return;
        }

        bool print = false;

        for (const char *sp = line; *sp != '\0'; sp++)
        {
            if (!isspace((int) *sp))
            {
                print = true;
                break;
            }
        }

        if (print)
        {
            char line_escaped[sizeof(line) * 2];

            // we must escape print format chars (%) from output

            ReplaceStr(line, line_escaped, sizeof(line_escaped), "%", "%%");

            fprintf(fp, "%s\n", line_escaped);
            count++;

            /* If we can't send mail, log to syslog */

            if (strlen(config->mail_to_address) == 0)
            {
                strncat(line_escaped, "\n", sizeof(line_escaped) - 1 - strlen(line_escaped));
                if ((strchr(line_escaped, '\n')) == NULL)
                {
                    line_escaped[sizeof(line_escaped) - 2] = '\n';
                }

                Log(LOG_LEVEL_INFO, "%s", line_escaped);
            }

            line[0] = '\0';
            line_escaped[0] = '\0';
        }
    }

    cf_pclose(pp);
    Log(LOG_LEVEL_DEBUG, "Closing fp");
    fclose(fp);

    Log(LOG_LEVEL_VERBOSE, "Command is complete");

    if (count)
    {
        Log(LOG_LEVEL_VERBOSE, "Mailing result");
        MailResult(config, filename);
    }
    else
    {
        Log(LOG_LEVEL_VERBOSE, "No output");
        unlink(filename);
    }
}
Пример #12
0
CfLock AcquireLock(char *operand, char *host, time_t now, Attributes attr, Promise *pp, int ignoreProcesses)
{
    unsigned int pid;
    int i, err, sum = 0;
    time_t lastcompleted = 0, elapsedtime;
    char *promise, cc_operator[CF_BUFSIZE], cc_operand[CF_BUFSIZE];
    char cflock[CF_BUFSIZE], cflast[CF_BUFSIZE], cflog[CF_BUFSIZE];
    char str_digest[CF_BUFSIZE];
    CfLock this;
    unsigned char digest[EVP_MAX_MD_SIZE + 1];

    this.last = (char *) CF_UNDEFINED;
    this.lock = (char *) CF_UNDEFINED;
    this.log = (char *) CF_UNDEFINED;

    if (now == 0)
    {
        return this;
    }

    this.last = NULL;
    this.lock = NULL;
    this.log = NULL;

/* Indicate as done if we tried ... as we have passed all class
   constraints now but we should only do this for level 0
   promises. Sub routine bundles cannot be marked as done or it will
   disallow iteration over bundles */

    if (pp->done)
    {
        return this;
    }

    if (CF_STCKFRAME == 1)
    {
        *(pp->donep) = true;
        /* Must not set pp->done = true for editfiles etc */
    }

    HashPromise(operand, pp, digest, CF_DEFAULT_DIGEST);
    strcpy(str_digest, HashPrint(CF_DEFAULT_DIGEST, digest));

/* As a backup to "done" we need something immune to re-use */

    if (THIS_AGENT_TYPE == cf_agent)
    {
        if (IsItemIn(DONELIST, str_digest))
        {
            CfOut(cf_verbose, "", " -> This promise has already been verified");
            return this;
        }

        PrependItem(&DONELIST, str_digest, NULL);
    }

/* Finally if we're supposed to ignore locks ... do the remaining stuff */

    if (IGNORELOCK)
    {
        this.lock = xstrdup("dummy");
        return this;
    }

    promise = BodyName(pp);
    snprintf(cc_operator, CF_MAXVARSIZE - 1, "%s-%s", promise, host);
    strncpy(cc_operand, operand, CF_BUFSIZE - 1);
    CanonifyNameInPlace(cc_operand);
    RemoveDates(cc_operand);

    free(promise);

    CfDebug("AcquireLock(%s,%s), ExpireAfter=%d, IfElapsed=%d\n", cc_operator, cc_operand, attr.transaction.expireafter,
            attr.transaction.ifelapsed);

    for (i = 0; cc_operator[i] != '\0'; i++)
    {
        sum = (CF_MACROALPHABET * sum + cc_operator[i]) % CF_HASHTABLESIZE;
    }

    for (i = 0; cc_operand[i] != '\0'; i++)
    {
        sum = (CF_MACROALPHABET * sum + cc_operand[i]) % CF_HASHTABLESIZE;
    }

    snprintf(cflog, CF_BUFSIZE, "%s/cf3.%.40s.runlog", CFWORKDIR, host);
    snprintf(cflock, CF_BUFSIZE, "lock.%.100s.%s.%.100s_%d_%s", pp->bundle, cc_operator, cc_operand, sum, str_digest);
    snprintf(cflast, CF_BUFSIZE, "last.%.100s.%s.%.100s_%d_%s", pp->bundle, cc_operator, cc_operand, sum, str_digest);

    CfDebug("LOCK(%s)[%s]\n", pp->bundle, cflock);

// Now see if we can get exclusivity to edit the locks

    CFINITSTARTTIME = time(NULL);

    WaitForCriticalSection();

/* Look for non-existent (old) processes */

    lastcompleted = FindLock(cflast);
    elapsedtime = (time_t) (now - lastcompleted) / 60;

    if (elapsedtime < 0)
    {
        CfOut(cf_verbose, "", " XX Another cf-agent seems to have done this since I started (elapsed=%jd)\n",
              (intmax_t) elapsedtime);
        ReleaseCriticalSection();
        return this;
    }

    if (elapsedtime < attr.transaction.ifelapsed)
    {
        CfOut(cf_verbose, "", " XX Nothing promised here [%.40s] (%jd/%u minutes elapsed)\n", cflast,
              (intmax_t) elapsedtime, attr.transaction.ifelapsed);
        ReleaseCriticalSection();
        return this;
    }

/* Look for existing (current) processes */

    if (!ignoreProcesses)
    {
        lastcompleted = FindLock(cflock);
        elapsedtime = (time_t) (now - lastcompleted) / 60;

        if (lastcompleted != 0)
        {
            if (elapsedtime >= attr.transaction.expireafter)
            {
                CfOut(cf_inform, "", "Lock %s expired (after %jd/%u minutes)\n", cflock, (intmax_t) elapsedtime,
                      attr.transaction.expireafter);

                pid = FindLockPid(cflock);

                if (pid == -1)
                {
                    CfOut(cf_error, "", "Illegal pid in corrupt lock %s - ignoring lock\n", cflock);
                }
#ifdef MINGW                    // killing processes with e.g. task manager does not allow for termination handling
                else if (!NovaWin_IsProcessRunning(pid))
                {
                    CfOut(cf_verbose, "",
                          "Process with pid %d is not running - ignoring lock (Windows does not support graceful processes termination)\n",
                          pid);
                    LogLockCompletion(cflog, pid, "Lock expired, process not running", cc_operator, cc_operand);
                    unlink(cflock);
                }
#endif /* MINGW */
                else
                {
                    CfOut(cf_verbose, "", "Trying to kill expired process, pid %d\n", pid);

                    err = GracefulTerminate(pid);

                    if (err || errno == ESRCH)
                    {
                        LogLockCompletion(cflog, pid, "Lock expired, process killed", cc_operator, cc_operand);
                        unlink(cflock);
                    }
                    else
                    {
                        ReleaseCriticalSection();
                        FatalError("Unable to kill expired cfagent process %d from lock %s, exiting this time..\n", pid,
                                   cflock);
                    }
                }
            }
            else
            {
                ReleaseCriticalSection();
                CfOut(cf_verbose, "", "Couldn't obtain lock for %s (already running!)\n", cflock);
                return this;
            }
        }

        WriteLock(cflock);
    }

    ReleaseCriticalSection();

    this.lock = xstrdup(cflock);
    this.last = xstrdup(cflast);
    this.log = xstrdup(cflog);

/* Keep this as a global for signal handling */
    strcpy(CFLOCK, cflock);
    strcpy(CFLAST, cflast);
    strcpy(CFLOG, cflog);

    return this;
}
Пример #13
0
static void ExpandPromiseAndDo(EvalContext *ctx, const Promise *pp, Rlist *lists, Rlist *containers, PromiseActuator *ActOnPromise, void *param)
{
    const char *handle = PromiseGetHandle(pp);
    char v[CF_MAXVARSIZE];

    EvalContextStackPushPromiseFrame(ctx, pp, true);

    PromiseIterator *iter_ctx = NULL;
    for (iter_ctx = PromiseIteratorNew(ctx, pp, lists, containers); PromiseIteratorHasMore(iter_ctx); PromiseIteratorNext(iter_ctx))
    {
        EvalContextStackPushPromiseIterationFrame(ctx, iter_ctx);
        char number[CF_SMALLBUF];

        /* Allow $(this.handle) etc variables */

        if (PromiseGetBundle(pp)->source_path)
        {
            EvalContextVariablePutSpecial(ctx, SPECIAL_SCOPE_THIS, "promise_filename",PromiseGetBundle(pp)->source_path, DATA_TYPE_STRING);
            snprintf(number, CF_SMALLBUF, "%zu", pp->offset.line);
            EvalContextVariablePutSpecial(ctx, SPECIAL_SCOPE_THIS, "promise_linenumber", number, DATA_TYPE_STRING);
        }

        snprintf(v, CF_MAXVARSIZE, "%d", (int) getuid());
        EvalContextVariablePutSpecial(ctx, SPECIAL_SCOPE_THIS, "promiser_uid", v, DATA_TYPE_INT);
        snprintf(v, CF_MAXVARSIZE, "%d", (int) getgid());
        EvalContextVariablePutSpecial(ctx, SPECIAL_SCOPE_THIS, "promiser_gid", v, DATA_TYPE_INT);

        EvalContextVariablePutSpecial(ctx, SPECIAL_SCOPE_THIS, "bundle", PromiseGetBundle(pp)->name, DATA_TYPE_STRING);
        EvalContextVariablePutSpecial(ctx, SPECIAL_SCOPE_THIS, "namespace", PromiseGetNamespace(pp), DATA_TYPE_STRING);

        /* Must expand $(this.promiser) here for arg dereferencing in things
           like edit_line and methods, but we might have to
           adjust again later if the value changes  -- need to qualify this
           so we don't expand too early for some other promsies */

        if (pp->has_subbundles)
        {
            EvalContextVariablePutSpecial(ctx, SPECIAL_SCOPE_THIS, "promiser", pp->promiser, DATA_TYPE_STRING);
        }

        if (handle)
        {
            char tmp[CF_EXPANDSIZE];
            // This ordering is necessary to get automated canonification
            ExpandScalar(ctx, NULL, "this", handle, tmp);
            CanonifyNameInPlace(tmp);
            Log(LOG_LEVEL_DEBUG, "Expanded handle to '%s'", tmp);
            EvalContextVariablePutSpecial(ctx, SPECIAL_SCOPE_THIS, "handle", tmp, DATA_TYPE_STRING);
        }
        else
        {
            EvalContextVariablePutSpecial(ctx, SPECIAL_SCOPE_THIS, "handle", PromiseID(pp), DATA_TYPE_STRING);
        }

        Promise *pexp = ExpandDeRefPromise(ctx, pp);

        assert(ActOnPromise);
        ActOnPromise(ctx, pexp, param);

        if (strcmp(pp->parent_promise_type->name, "vars") == 0 || strcmp(pp->parent_promise_type->name, "meta") == 0)
        {
            VerifyVarPromise(ctx, pexp, true);
        }

        PromiseDestroy(pexp);

        EvalContextStackPopFrame(ctx);
    }

    PromiseIteratorDestroy(iter_ctx);
    EvalContextStackPopFrame(ctx);
}
Пример #14
0
void KeepControlPromises()
    
{ struct Constraint *cp;
  char rettype;
  void *retval;
  struct Rlist *rp;

for (cp = ControlBodyConstraints(cf_agent); cp != NULL; cp=cp->next)
   {
   if (IsExcluded(cp->classes))
      {
      continue;
      }

   if (GetVariable("control_common",cp->lval,&retval,&rettype) != cf_notype)
      {
      /* Already handled in generic_agent */
      continue;
      }

   if (GetVariable("control_agent",cp->lval,&retval,&rettype) == cf_notype)
      {
      CfOut(cf_error,"","Unknown lval %s in agent control body",cp->lval);
      continue;
      }
            
   if (strcmp(cp->lval,CFA_CONTROLBODY[cfa_maxconnections].lval) == 0)
      {
      CFA_MAXTHREADS = (int)Str2Int(retval);
      CfOut(cf_verbose,"","SET maxconnections = %d\n",CFA_MAXTHREADS);
      continue;
      }

   if (strcmp(cp->lval,CFA_CONTROLBODY[cfa_checksum_alert_time].lval) == 0)
      {
      CF_PERSISTENCE = (int)Str2Int(retval);
      CfOut(cf_verbose,"","SET checksum_alert_time = %d\n",CF_PERSISTENCE);
      continue;
      }

   if (strcmp(cp->lval,CFA_CONTROLBODY[cfa_agentfacility].lval) == 0)
      {
      SetFacility(retval);
      continue;
      }
   
   if (strcmp(cp->lval,CFA_CONTROLBODY[cfa_agentaccess].lval) == 0)
      {
      ACCESSLIST = (struct Rlist *) retval;
      CheckAgentAccess(ACCESSLIST);
      continue;
      }

   if (strcmp(cp->lval,CFA_CONTROLBODY[cfa_refresh_processes].lval) == 0)
      {
      struct Rlist *rp;

      if (VERBOSE)
         {
         printf("%s> SET refresh_processes when starting: ",VPREFIX);

         for (rp  = (struct Rlist *) retval; rp != NULL; rp = rp->next)
            {
            printf(" %s",(char *)rp->item);
            PrependItem(&PROCESSREFRESH,rp->item,NULL);
            }

         printf("\n");
         }
      
      continue;
      }

   if (strcmp(cp->lval,CFA_CONTROLBODY[cfa_abortclasses].lval) == 0)
      {
      struct Rlist *rp;
      CfOut(cf_verbose,"","SET Abort classes from ...\n");
      
      for (rp  = (struct Rlist *) retval; rp != NULL; rp = rp->next)
         {
         char name[CF_MAXVARSIZE] = "";
         strncpy(name, rp->item, CF_MAXVARSIZE - 1);
         CanonifyNameInPlace(name);

         if (!IsItemIn(ABORTHEAP,name))
            {
            AppendItem(&ABORTHEAP,name,cp->classes);
            }
         }
      
      continue;
      }

   if (strcmp(cp->lval,CFA_CONTROLBODY[cfa_abortbundleclasses].lval) == 0)
      {
      struct Rlist *rp;
      CfOut(cf_verbose,"","SET Abort bundle classes from ...\n");
      
      for (rp  = (struct Rlist *) retval; rp != NULL; rp = rp->next)
         {
         char name[CF_MAXVARSIZE] = "";
         strncpy(name, rp->item, CF_MAXVARSIZE - 1);
         CanonifyNameInPlace(name);

         if (!IsItemIn(ABORTBUNDLEHEAP,name))
            {
            AppendItem(&ABORTBUNDLEHEAP,name,cp->classes);
            }
         }
      
      continue;
      }
   
   if (strcmp(cp->lval,CFA_CONTROLBODY[cfa_addclasses].lval) == 0)
      {
      struct Rlist *rp;
      CfOut(cf_verbose,"","-> Add classes ...\n");
      
      for (rp  = (struct Rlist *) retval; rp != NULL; rp = rp->next)
         {
         CfOut(cf_verbose,""," -> ... %s\n",rp->item);
         NewClass(rp->item);
         }
      
      continue;
      }
   
   if (strcmp(cp->lval,CFA_CONTROLBODY[cfa_auditing].lval) == 0)
      {
      AUDIT = GetBoolean(retval);
      CfOut(cf_verbose,"","SET auditing = %d\n",AUDIT);
      continue;
      }

   if (strcmp(cp->lval,CFA_CONTROLBODY[cfa_alwaysvalidate].lval) == 0)
      {
      ALWAYS_VALIDATE = GetBoolean(retval);
      CfOut(cf_verbose,"","SET alwaysvalidate = %d\n",ALWAYS_VALIDATE);
      continue;
      }
   
   if (strcmp(cp->lval,CFA_CONTROLBODY[cfa_secureinput].lval) == 0)
      {
      CFPARANOID = GetBoolean(retval);
      CfOut(cf_verbose,"","SET secure input = %d\n",CFPARANOID);
      continue;
      }
   
   if (strcmp(cp->lval,CFA_CONTROLBODY[cfa_binarypaddingchar].lval) == 0)
      {
      PADCHAR = *(char *)retval;
      CfOut(cf_verbose,"","SET binarypaddingchar = %c\n",PADCHAR);
      continue;
      }
   
   if (strcmp(cp->lval,CFA_CONTROLBODY[cfa_bindtointerface].lval) == 0)
      {
      strncpy(BINDINTERFACE,retval,CF_BUFSIZE-1);
      CfOut(cf_verbose,"","SET bindtointerface = %s\n",BINDINTERFACE);
      continue;
      }
   
   if (strcmp(cp->lval,CFA_CONTROLBODY[cfa_hashupdates].lval) == 0)
      {
      CHECKSUMUPDATES = GetBoolean(retval);
      CfOut(cf_verbose,"","SET ChecksumUpdates %d\n",CHECKSUMUPDATES);
      continue;
      }

   if (strcmp(cp->lval,CFA_CONTROLBODY[cfa_exclamation].lval) == 0)
      {
      EXCLAIM = GetBoolean(retval);
      CfOut(cf_verbose,"","SET exclamation %d\n",EXCLAIM);
      continue;
      }

   if (strcmp(cp->lval,CFA_CONTROLBODY[cfa_childlibpath].lval) == 0)
      {
      char output[CF_BUFSIZE];
      snprintf(output,CF_BUFSIZE,"LD_LIBRARY_PATH=%s",(char *)retval);
      if (putenv(strdup(output)) == 0)
         {
         CfOut(cf_verbose,"","Setting %s\n",output);
         }
      continue;
      }

   if (strcmp(cp->lval,CFA_CONTROLBODY[cfa_defaultcopytype].lval) == 0)
      {
      DEFAULT_COPYTYPE = (char *)retval;
      CfOut(cf_verbose,"","SET defaultcopytype = %c\n",DEFAULT_COPYTYPE);
      continue;
      }

   if (strcmp(cp->lval,CFA_CONTROLBODY[cfa_fsinglecopy].lval) == 0)
      {
      SINGLE_COPY_LIST = (struct Rlist *)retval;
      CfOut(cf_verbose,"","SET file single copy list\n");
      continue;
      }

   if (strcmp(cp->lval,CFA_CONTROLBODY[cfa_fautodefine].lval) == 0)
      {
      AUTO_DEFINE_LIST = (struct Rlist *)retval;
      CfOut(cf_verbose,"","SET file auto define list\n");
      continue;
      }
   
   if (strcmp(cp->lval,CFA_CONTROLBODY[cfa_dryrun].lval) == 0)
      {
      DONTDO = GetBoolean(retval);
      CfOut(cf_verbose,"","SET dryrun = %c\n",DONTDO);
      continue;
      }

   if (strcmp(cp->lval,CFA_CONTROLBODY[cfa_inform].lval) == 0)
      {
      INFORM = GetBoolean(retval);
      CfOut(cf_verbose,"","SET inform = %c\n",INFORM);
      continue;
      }

   if (strcmp(cp->lval,CFA_CONTROLBODY[cfa_verbose].lval) == 0)
      {
      VERBOSE = GetBoolean(retval);
      CfOut(cf_verbose,"","SET inform = %c\n",VERBOSE);
      continue;
      }

   if (strcmp(cp->lval,CFA_CONTROLBODY[cfa_repository].lval) == 0)
      {
      VREPOSITORY = strdup(retval);
      CfOut(cf_verbose,"","SET repository = %s\n",VREPOSITORY);
      continue;
      }

   if (strcmp(cp->lval,CFA_CONTROLBODY[cfa_skipidentify].lval) == 0)
      {
      SKIPIDENTIFY = GetBoolean(retval);
      CfOut(cf_verbose,"","SET skipidentify = %d\n",SKIPIDENTIFY);
      continue;
      }

   if (strcmp(cp->lval,CFA_CONTROLBODY[cfa_suspiciousnames].lval) == 0)
      {

      for (rp  = (struct Rlist *) retval; rp != NULL; rp = rp->next)
	{
	PrependItem(&SUSPICIOUSLIST,rp->item,NULL);
	CfOut(cf_verbose,"", "-> Concidering %s as suspicious file", rp->item);
	}

      continue;
      }

   if (strcmp(cp->lval,CFA_CONTROLBODY[cfa_repchar].lval) == 0)
      {
      REPOSCHAR = *(char *)retval;
      CfOut(cf_verbose,"","SET repchar = %c\n",REPOSCHAR);
      continue;
      }
   
   if (strcmp(cp->lval,CFA_CONTROLBODY[cfa_mountfilesystems].lval) == 0)
      {
      CF_MOUNTALL = GetBoolean(retval);
      CfOut(cf_verbose,"","SET mountfilesystems = %d\n",CF_MOUNTALL);
      continue;
      }

   if (strcmp(cp->lval,CFA_CONTROLBODY[cfa_editfilesize].lval) == 0)
      {
      EDITFILESIZE = Str2Int(retval);
      CfOut(cf_verbose,"","SET EDITFILESIZE = %d\n",EDITFILESIZE);
      continue;
      }

   if (strcmp(cp->lval,CFA_CONTROLBODY[cfa_ifelapsed].lval) == 0)
      {
      VIFELAPSED = Str2Int(retval);
      CfOut(cf_verbose,"","SET ifelapsed = %d\n",VIFELAPSED);
      continue;
      }

   if (strcmp(cp->lval,CFA_CONTROLBODY[cfa_expireafter].lval) == 0)
      {
      VEXPIREAFTER = Str2Int(retval);
      CfOut(cf_verbose,"","SET ifelapsed = %d\n",VEXPIREAFTER);
      continue;
      }

   if (strcmp(cp->lval,CFA_CONTROLBODY[cfa_timeout].lval) == 0)
      {
      CONNTIMEOUT = Str2Int(retval);
      CfOut(cf_verbose,"","SET timeout = %d\n",CONNTIMEOUT);
      continue;
      }
   
   if (strcmp(cp->lval,CFA_CONTROLBODY[cfa_max_children].lval) == 0)
      {
      CFA_BACKGROUND_LIMIT = Str2Int(retval);
      CfOut(cf_verbose,"","SET MAX_CHILDREN = %d\n",CFA_BACKGROUND_LIMIT);
      if (CFA_BACKGROUND_LIMIT > 10)
         {
         CfOut(cf_error,"","Silly value for max_children in agent control promise (%d > 10)",CFA_BACKGROUND_LIMIT);
         CFA_BACKGROUND_LIMIT = 1;
         }
      continue;
      }
   
   if (strcmp(cp->lval,CFA_CONTROLBODY[cfa_syslog].lval) == 0)
      {
      LOGGING = GetBoolean(retval);
      CfOut(cf_verbose,"","SET syslog = %d\n",LOGGING);
      continue;
      }

   if (strcmp(cp->lval,CFA_CONTROLBODY[cfa_environment].lval) == 0)
      {
      struct Rlist *rp;
      CfOut(cf_verbose,"","SET environment variables from ...\n");
      
      for (rp  = (struct Rlist *) retval; rp != NULL; rp = rp->next)
         {
         if (putenv(rp->item) != 0)
            {
            CfOut(cf_error, "putenv", "Failed to set environment variable %s", rp->item);
            }
         }
      
      continue;
      }
   }

if (GetVariable("control_common",CFG_CONTROLBODY[cfg_lastseenexpireafter].lval,&retval,&rettype) != cf_notype)
   {
   LASTSEENEXPIREAFTER = Str2Int(retval);
   }

if (GetVariable("control_common",CFG_CONTROLBODY[cfg_fips_mode].lval,&retval,&rettype) != cf_notype)
   {
   FIPS_MODE = GetBoolean(retval);
   CfOut(cf_verbose,"","SET FIPS_MODE = %d\n",FIPS_MODE);
   }

if (GetVariable("control_common",CFG_CONTROLBODY[cfg_syslog_port].lval,&retval,&rettype) != cf_notype)
   {
   SYSLOGPORT = (unsigned short)Str2Int(retval);
   CfOut(cf_verbose,"","SET syslog_port to %d",SYSLOGPORT);
   }

if (GetVariable("control_common",CFG_CONTROLBODY[cfg_syslog_host].lval,&retval,&rettype) != cf_notype)
   {   
   strncpy(SYSLOGHOST,Hostname2IPString(retval),CF_MAXVARSIZE-1);
   CfOut(cf_verbose,"","SET syslog_host to %s",SYSLOGHOST);
   }

#ifdef HAVE_NOVA
Nova_Initialize();
#endif
}