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ossp-pkg/rc/rc_proc.c 1.57
/*  OSSP rc - Run-command processor
**  Copyright (c) 2002 Ralf S. Engelschall
**  Copyright (c) 2002 Cable & Wireless Deutschland GmbH
**  Copyright (c) 2002 The OSSP Project <http://www.ossp.org/>
**
**  This file is part of OSSP rc, a portable Run-command processor
**  which can be found at http://www.ossp.org/pkg/lib/rc/
**
**  Permission to use, copy, modify, and distribute this software for
**  any purpose with or without fee is hereby granted, provided that
**  the above copyright notice and this permission notice appear in all
**  copies.
**
**  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
**  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
**  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
**  IN NO EVENT SHALL THE AUTHORS AND COPYRIGHT HOLDERS AND THEIR
**  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
**  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
**  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
**  USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
**  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
**  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
**  OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
**  SUCH DAMAGE.
**
**  rc_proc.c: Run-command processor ISO C source file
*/

#include <stdlib.h>     /* Standard system headers    */
#include <fcntl.h>      /* For reading rc files       */
#include <unistd.h>     /* For reading rc files       */
#include <string.h>     /* For string manipulation    */
#include <signal.h>     /* For signal(3)              */
#include <sys/wait.h>   /* For waitpid(2) and fork(2) */

#include "rc.h"         /* Public interfaces          */
#include "rc_const.h"   /* String and value const     */
#include "rc_config.h"  /* Option definitions         */


/************************************************
* procNew(void)                                 *
* Construct a processor                         *
************************************************/
rc_proc_t *procNew(void)
{
    ex_t Except;
    rc_proc_t *pNewrc = NULL;

    ex_try {
        pNewrc = malloc(sizeof(rc_proc_t));
        pNewrc->m_pList = listNew();              /* Construct a rcfile list  */
        listPopulate(pNewrc->m_pList, configGetrcfile()); /* Prepopulate list */
        pNewrc->m_pScriptfunc = scriptNew(); /* Construct a functions script  */
        pNewrc->m_pScriptcnf  = scriptNew(); /* Construct a config script     */
    }
    ex_catch(Except)
        rethrow;

    return(pNewrc);
}

/************************************************
* procPopulate(rc_proc_t *)                     *
* Populate the processor with run commands      *
************************************************/
rc_return_t procPopulate(rc_proc_t *pRc)
{
    int nSect   = 0;
    int nFdfunc = -1;
    int nRet    = 0;
    int nRcs    = 0;
    ex_t Except;

    char         *sBuf        = NULL;
    rc_file_t    *pRcfile     = NULL;
    rc_section_t *pSec        = NULL;
    rc_section_t *pCom        = NULL;
    short         nTotalsecs  = vectorCount(configGetsecs());

    assert(pRc->m_pList->m_ppFilevec);
    sBuf = (char *)calloc(1, RC_READ_BUFSIZE);

    /* Open the func file if it exists in the configuration */
    if (configGetval(RC_FNC_VAL)) {
        /* FIXME: Funcfile data does not belong in config section data! */
        if ((nFdfunc = open(configGetval(RC_FNC_VAL), O_RDONLY)) >= 0) {
            /* Read data from the func file */
            while ((nRet = read(nFdfunc, sBuf, RC_READ_BUFSIZE)) > 0)
                scriptnAppend(pRc->m_pScriptfunc, sBuf, nRet);
            if (nRet == -1) /* Handle read errors */
                RC_THROW(RC_ERR_IO);
            scriptnAppend(pRc->m_pScriptfunc, "\n", sizeof("\n"));
            close(nFdfunc); /* Close Func file handle */
        }
        else
            RC_THROW(RC_ERR_FNC);
    }

    /* Iteratively read possibly globbed rc files */
    for (nRcs = 0; nRcs < pRc->m_pList->m_nFiles; nRcs++)
    {
        if (!pRc->m_pList->m_ppFilevec[nRcs])
            RC_THROW(RC_ERR_INT); /* Rcfile vector is missing its tail */

        pRcfile = rcfileNew(pRc->m_pList->m_ppFilevec[nRcs]->m_szName);
        rcfileParse(pRcfile);

        try { /* If it exists, append config section unconditionally */
            pSec = rcfileGetsec(pRcfile, configGetval(RC_NCF_VAL));
            if (pSec) { /* Only operate if the section lookup succeeds */
                scriptAdd(pRc->m_pScriptcnf, sectionGetscript(pSec));
                scriptnAppend(pRc->m_pScriptcnf, "\n", strlen ("\n"));
            }

            for (nSect = 0; nSect < nTotalsecs; nSect++) { /* Iterate over */
                /* Extract a section from the temp script, and append it */
                pSec = rcfileGetsec(pRcfile, configGetsecs()[nSect]);
                if (pSec) {
                    /* Append common section only if the target section matches */
                    pCom = rcfileGetsec(pRcfile, configGetval(RC_CMN_VAL));
                    if (pCom)   /* Only append if the common lookup succeeds */
                        rcfileAppendsec(pRc->m_pList->m_ppFilevec[nRcs], pCom);
                    /* Only copy if the section lookup succeeds */
                    rcfileAppendsec(pRc->m_pList->m_ppFilevec[nRcs], pSec);
                }
                else if (configGetval(RC_DBG_VAL)) /* Only show if debug set */
                    fprintf(stderr, "#Warning: Missing section '%s' in %s!\n",\
                        configGetsecs()[nSect], pRc->m_pList->m_ppFilevec[nRcs]->m_szName);
            }
        }
        catch(Except)
            rethrow;

        /* Attach our rcfile in the list */
        pRc->m_pList->m_ppFilevec[nRcs] = pRcfile;
        pRcfile = NULL;
    }

    /* Memory cleanups */
    if (sBuf) {
        free(sBuf);
        sBuf = NULL;
    }

    return(RC_THROW(RC_OK));
}

/************************************************
* procRun(rc_proc_t *)                          *
* Run the processed run-command script          *
************************************************/
rc_return_t procRun(rc_proc_t *pRc)
{
    int   nTmp      = 0;                /* Generic index       */
    size_t nBytes   = 0;                /* Size in bytes       */
    int   nTmpname  = 0;                /* Temp file name size */
    int   nRcs      = 0;                /* Rc index            */
    int   nSecs     = 0;                /* Section index       */
    int   nSectuid  = -1;               /* The section's user id           */
    int   nRunuid   = -1;               /* The current user id             */
    pid_t Pidexec   = -1;               /* When spawning before execv(3)   */
    char *szTmpfile = NULL;             /* Path of temporary file          */
    char *szTmp     = NULL;             /* Generic temporary string        */
    char *szFunc    = NULL;             /* Stores func script text         */
    char *szCnf     = NULL;             /* Stores config script text       */
    char *szExec    = NULL;             /* Used only during exec mode      */
    char *szVerbose = NULL;             /* Used when handling verbose mode */
    char *pszVec[RC_EXEC_MAXARGS];      /* For passing in to execv(3)      */
    rc_script_t   *pFatscript  = NULL;  /* To build a comprehensive script */
    rc_section_t **ppSectmp    = NULL;  /* Used with priority scheduling   */
    short          nTotalsecs  = vectorCount(configGetsecs()); /* Sections */

    /****************************************************/
    /* This will execute, evaluate, or print the script */
    /* Exec  - Fork and execute each command            */
    /* Eval  - Print machine evaluatable format         */
    /* Print - Print human readable format              */
    /****************************************************/
    if (configGetval(RC_EVL_VAL)) {                             /* Evaluate */
        /* Allocate a block of section pointers to use temporarily */
        ppSectmp = calloc(pRc->m_pList->m_nFiles, sizeof(rc_section_t *));
        pFatscript = scriptNew();
        scriptnAppend(pFatscript, RC_BANG_STR, strlen(RC_BANG_STR)); /* Shebang */
        /* Conditionally output initial notice in verbal mode */
        if (configGetval(RC_VRB_VAL)) {
            szVerbose = malloc((strlen(RC_VST_TEXT) + 2) * sizeof (char));
            sprintf(szVerbose, "%s", RC_VST_TEXT);
            strcat(szVerbose, "\n");
            scriptnAppend(pFatscript, szVerbose, strlen(szVerbose));
            free(szVerbose);
            szVerbose = NULL;
        }
        /* Conditionally print funcs section notice in verbal mode */
        if (configGetval(RC_VRB_VAL)) {
            szVerbose = malloc((strlen(RC_EVF_TEXT) + 2) * sizeof (char));
            sprintf(szVerbose, "%s", RC_EVF_TEXT);
            strcat(szVerbose, "\n");
            scriptnAppend(pFatscript, szVerbose, strlen(szVerbose));
            free(szVerbose);
            szVerbose = NULL;
        }
        scriptAdd(pFatscript, pRc->m_pScriptfunc);
        for (nSecs = 0; nSecs < nTotalsecs; nSecs++) {
            for (nRcs = 0; nRcs < pRc->m_pList->m_nFiles; nRcs++) {
                for (nTmp = 0; nTmp < pRc->m_pList->m_ppFilevec[nRcs]->m_nSecs && \
                    strcmp(pRc->m_pList->m_ppFilevec[nRcs]->m_ppSecvec[nTmp]->m_szName, \
                    configGetsecs()[nSecs]); nTmp++);
                if (nTmp < pRc->m_pList->m_ppFilevec[nRcs]->m_nSecs)
                    ppSectmp[nRcs] = pRc->m_pList->m_ppFilevec[nRcs]->m_ppSecvec[nTmp];
                else
                    ppSectmp[nRcs] = NULL;
            }
            qsort((void *)ppSectmp, (size_t)pRc->m_pList->m_nFiles, \
                sizeof(rc_section_t *), priCompare);
            for (nTmp = 0; nTmp < pRc->m_pList->m_nFiles && ppSectmp[nTmp]; nTmp++) {
                if (configGetval(RC_VRB_VAL)) {
                    /* Conditionally evaluate config section notice in verbal mode */
                    nBytes = (strlen(RC_EVN_TEXT) + strlen(RC_DEF_NCF) + \
                        strlen(sectionGetparent(ppSectmp[nTmp])) + 2) * sizeof (char);
                    szVerbose = malloc(nBytes);
                    sprintf(szVerbose, RC_EVN_TEXT, RC_DEF_NCF, sectionGetparent(ppSectmp[nTmp]));
                    strcat(szVerbose, "\n");
                    scriptnAppend(pFatscript, szVerbose, strlen(szVerbose));
                    free(szVerbose);
                    szVerbose = NULL;
                }
                scriptAdd(pFatscript, pRc->m_pScriptcnf);

                /* Examine our list, and try to take the corresponding */
                /* common section data from it to add to your script   */
                {
                    rc_section_t *pComsec = NULL;
                    pComsec = rcfileGetsec(listGetrcfile(pRc->m_pList, \
                        ppSectmp[nTmp]->m_szParent), configGetval(RC_CMN_VAL));
                    if (pComsec) { /* Do we have a common section to load? */
                        if (configGetval(RC_VRB_VAL)) {
                            szTmp = (char *)sectionGetname(pComsec);
                            nBytes = (strlen(RC_EVN_TEXT) + strlen(szTmp) + \
                                strlen (sectionGetparent(pComsec)) + \
                                strlen(RC_ECHO_STR) + strlen("\"\"") + 1) * \
                                sizeof (char);
                            szVerbose = malloc(nBytes);
                            sprintf(szVerbose, RC_EVN_TEXT, szTmp, sectionGetparent(pComsec));
                            strcat(szVerbose, "\n");
                            scriptnAppend(pFatscript, szVerbose, strlen(szVerbose));
                            free(szVerbose);
                            szVerbose = NULL;
                        }
                        scriptAdd(pFatscript, sectionGetscript(pComsec));
                    }
                }

                /* Conditionally print each section notice in verbal mode */
                if (configGetval(RC_VRB_VAL)) {
                    szTmp = (char *)sectionGetname(ppSectmp[nTmp]);
                    nBytes = (strlen(RC_EVN_TEXT) + strlen(szTmp) + 2) * sizeof (char);
                    szVerbose = malloc(nBytes);
                    sprintf(szVerbose, RC_EVN_TEXT, szTmp, sectionGetparent(ppSectmp[nTmp]));
                    strcat(szVerbose, "\n");
                    scriptnAppend(pFatscript, szVerbose, strlen(szVerbose));
                    free(szVerbose);
                    szVerbose = NULL;
                }
                if ((szTmp = (char *)sectionGetlogin(ppSectmp[nTmp])) != NULL) {
                    scriptnAppend(pFatscript, "#su ", strlen("#su "));
                    scriptnAppend(pFatscript, szTmp, strlen(szTmp));
                }
                else
                    scriptnAppend(pFatscript, "#exit ", strlen("#exit "));
                scriptnAppend(pFatscript, "\n", strlen("\n"));
                scriptAdd(pFatscript, sectionGetscript(ppSectmp[nTmp]));
            }
        }
        free(ppSectmp);
        ppSectmp = NULL;

        szTmpfile = (char *)configGetval(RC_TMP_VAL);
        nTmpname = (strlen(szTmpfile) + strlen(RC_EVL_TMP) + \
                    strlen(RC_EVL_SUF) + 1) * sizeof(char);
        if (*(szTmpfile + (strlen(szTmpfile) - 1) * sizeof(char)) != '/')
            nTmpname += sizeof(char);
        szTmpfile = malloc(nTmpname);
        strcpy(szTmpfile, configGetval(RC_TMP_VAL));
        if (*(szTmpfile + (strlen(szTmpfile) - 1) * sizeof(char)) != '/')
            strcat(szTmpfile, "/");
        strcat(szTmpfile, RC_EVL_TMP);
        mktemp(szTmpfile);
        strcat(szTmpfile, RC_EVL_SUF);
        scriptWrite(pFatscript, szTmpfile); /* Write the whole script out */

        /* Conditionally don't remove the temp file (see constants) */
        if (configGetval(RC_DBG_VAL))
            fprintf(stdout, RC_EVL_DBG, szTmpfile);
        else
            fprintf(stdout, RC_EVL_OUT, szTmpfile, szTmpfile);

        /* Cleanup eval processing crap */
        free(szTmpfile);
        szTmpfile = NULL;
        scriptDelete(pFatscript);
        pFatscript = NULL;
    }
    else if (configGetval(RC_EXC_VAL)) {                        /* Execute  */
        int nStat; /* Used for reporting status on return of a forked child */

        /* This block does nothing more than implement the feature,         */
        /* that allows rc to run unprivileged (as long as no privileged     */
        /* code is used in the script sections to be executed               */
        for (nSecs = 0; nSecs < nTotalsecs; nSecs++) {
            for (nTmp = 0; nTmp < pRc->m_pList->m_nFiles; nTmp++) {
                if (pRc->m_pList->m_ppFilevec[nTmp]->m_ppSecvec && \
                    pRc->m_pList->m_ppFilevec[nTmp]->m_ppSecvec[nSecs]) {
                    nRunuid = getuid();
                    nSectuid = pRc->m_pList->m_ppFilevec[nTmp]->m_ppSecvec[nSecs]->m_nUid;
                    /* See if root user status is needed, and bail out if so */
                    if (nRunuid != 0 && nSectuid != -1 && nRunuid != nSectuid) {
                        fprintf(stderr, RC_RUT_TEXT);
                        return(RC_THROW(RC_ERR_USE));
                    }
                }
            }
        }
        /* Allocate a block of section pointers to use temporarily */
        ppSectmp = calloc(pRc->m_pList->m_nFiles, sizeof(rc_section_t *));
        szFunc = (char *)scriptGetdata(pRc->m_pScriptfunc);
        szCnf  = (char *)scriptGetdata(pRc->m_pScriptcnf);
        for (nSecs = 0; nSecs < nTotalsecs; nSecs++) {
            for (nRcs = 0; nRcs < pRc->m_pList->m_nFiles; nRcs++) {
                for (nTmp = 0; nTmp < pRc->m_pList->m_ppFilevec[nRcs]->m_nSecs && \
                    strcmp(pRc->m_pList->m_ppFilevec[nRcs]->m_ppSecvec[nTmp]->m_szName, \
                                configGetsecs()[nSecs]); nTmp++);
                if (nTmp < pRc->m_pList->m_ppFilevec[nRcs]->m_nSecs)
                    ppSectmp[nRcs] = pRc->m_pList->m_ppFilevec[nRcs]->m_ppSecvec[nTmp];
                else
                    ppSectmp[nRcs] = NULL;
            }
            qsort((void *)ppSectmp, (size_t)pRc->m_pList->m_nFiles, sizeof(rc_section_t *), priCompare);
            pszVec[0] = "/bin/sh";  /* Run the bourne shell over the following */
            pszVec[1] = "-c";       /* Append script code of the sections */
            pszVec[3] = NULL;       /* Add a NULL to mark the end of the chain */
            nTmp = 0; /* Count from zero until however many sections we have */
            while (nTmp < pRc->m_pList->m_nFiles && ppSectmp[nTmp]) {
                /* Conditionally print config and other section notices in verbal mode */
                if (configGetval(RC_VRB_VAL)) { /* Verbose mode is active */
                    size_t nSizverb = 0;
                    size_t nPrescr  = 0;
                    size_t nSecverb = 0;
                    size_t nSection = 0;

                    /* Allocate space just for string to prepare for verbose */
                    nSizverb = (strlen(RC_EXN_TEXT) + strlen(RC_DEF_NCF) + \
                        strlen(sectionGetparent(ppSectmp[nTmp])) + strlen(RC_ECHO_STR) + \
                        strlen("\"\"") + 1) * sizeof (char);
                    szVerbose = malloc(nSizverb);
                    sprintf(szVerbose, RC_EXN_TEXT, RC_DEF_NCF, sectionGetparent(ppSectmp[nTmp]));

                    /* Allocate space for entire string to execvp(3) */
                    nPrescr = (strlen(RC_VST_TEXT) + strlen(RC_EXF_TEXT) + \
                        strlen(szVerbose) + strlen(szFunc) + strlen(szCnf) + \
                        strlen(RC_BANG_STR) + 1) * sizeof (char);
                    szExec = malloc(nSizverb + nPrescr);

                    strcpy(szExec, RC_BANG_STR);    /* Start out with the bang string */
                    strcat(szExec, RC_ECHO_STR);    /* Continue with the echo string */
                    strcat(szExec, "\"");           /* Append a quote next to the echo */
                    strcat(szExec, RC_VST_TEXT);    /* Continue with the start text */

                    if (strlen(szFunc) > 0) {
                        strcat(szExec, "\n");        /* Stick a newline inbetween */
                        strcat(szExec, RC_EXF_TEXT); /* Continue with the func text */
                    }

                    strcat(szExec, "\";");          /* Finalize the verbosity notice */
                    strcat(szExec, szFunc);         /* Continue with the funcs script code */
                    strcat(szExec, RC_ECHO_STR);    /* Continue with the echo string */
                    strcat(szExec, "\"");           /* Append a quote next to the echo */
                    strcat(szExec, szVerbose);      /* Continue with the config text */
                    strcat(szExec, "\";");          /* Finalize the verbosity notice */
                    strcat(szExec, szCnf);          /* Then with the config script code  */

                    /* Examine our list, and try to take the corresponding */
                    /* common section data from it to add to your script   */
                    {
                        rc_section_t *pComsec = NULL;
                        pComsec = rcfileGetsec(listGetrcfile(pRc->m_pList, \
                            ppSectmp[nTmp]->m_szParent), configGetval(RC_CMN_VAL));
                        if (pComsec) { /* If we have a common section to load,  */
                            szTmp = (char *)sectionGetname(pComsec);
                            nSecverb = (strlen(RC_EXN_TEXT) + strlen(szTmp) + \
                                strlen (sectionGetparent(pComsec)) + \
                                strlen(RC_ECHO_STR) + strlen("\"\"") + 1) * \
                                sizeof (char);
                            realloc(szVerbose, nSecverb);
                            sprintf(szVerbose, RC_EXN_TEXT, szTmp, sectionGetparent(pComsec));
                            nSection = (strlen(szTmp) + 1) * sizeof (char);
                            realloc(szExec, nSizverb + nPrescr + nSecverb + nSection);
                            strcat(szExec, RC_ECHO_STR);    /* Start out with the echo string */
                            strcat(szExec, "\"");           /* Append a quote next to the echo */
                            strcat(szExec, szVerbose);      /* Continue with the common text */
                            strcat(szExec, "\";");          /* Finalize the verbosity notice */
                            strcat(szExec, sectionGetdata(pComsec)); /* load it */
                        }
                    }

                    /* Build last set of verbose data for the actual script */
                    szTmp = (char *)sectionGetname(ppSectmp[nTmp]);
                    nSecverb = (strlen(RC_EXN_TEXT) + strlen(szTmp) * 2 \
                        + strlen(RC_ECHO_STR) + strlen("\"\"") + 1) * sizeof (char);
                    realloc(szVerbose, nSecverb);
                    sprintf(szVerbose, RC_EXN_TEXT, szTmp, sectionGetparent(ppSectmp[nTmp]));
                    nSection = (strlen(szTmp) + strlen(sectionGetdata(ppSectmp[nTmp])) + 1) * sizeof (char);
                    realloc(szExec, nSizverb + nPrescr + nSecverb + nSection);

                    szTmp = (char *)sectionGetdata(ppSectmp[nTmp]);
                    strcat(szExec, RC_ECHO_STR);    /* Start out with the echo string */
                    strcat(szExec, "\"");           /* Append a quote next to the echo */
                    strcat(szExec, szVerbose);      /* Continue with the verboseity text */
                    strcat(szExec, "\";");          /* Finalize the verbosity notice */
                    strcat(szExec, szTmp);          /* Then with the new script code */
                    pszVec[2] = szExec;             /* Launch the new process image now  */
                    free(szVerbose);
                    szVerbose = NULL;

                    /* Spawn the section shell code */
                    switch (Pidexec = fork()) {
                        case -1:    /* Broken */
                            return(RC_THROW(RC_ERR_INT));
                            break;  /* Huh? */
                        case 0:     /* Child, runs script code through bourne shell */
                            nSectuid = sectionGetuid(ppSectmp[nTmp]);
                            if (nSectuid >= 0 && getuid() != nSectuid)
                                if (setuid(nSectuid) != 0)
                                    return(RC_THROW(RC_ERR_ROOT));
                            if (execvp(*pszVec, pszVec) == -1)
                                return(RC_THROW(RC_ERR_INT));
                            break;
                        default: /* Parent, blocks until child returns */
                            waitpid(Pidexec, &nStat, WUNTRACED);
                            if ((nStat = WEXITSTATUS(nStat)) != 0)
                                return(nStat);
                            break;
                    }
                    if (szExec) {
                        free(szExec); /* Cleanup after exec */
                        szExec = NULL;
                    }
                }
                else { /* Verbose mode is off */
                    szTmp = (char *)sectionGetdata(ppSectmp[nTmp]);
                    szExec = malloc((strlen(szFunc) + strlen(szCnf) + \
                        strlen(szTmp) + 1) * sizeof(char));
                    strcpy(szExec, RC_BANG_STR);     /* Start out with the shebang string */
                    strcat(szExec, szFunc); /* Continue with just the funcs script code   */
                    strcat(szExec, szCnf);  /* Continue with just the config script code  */

                    /* Examine our list, and try to take the corresponding */
                    /* common section data from it to add to your script   */
                    {
                        rc_section_t *pComsec = NULL;
                        pComsec = rcfileGetsec(listGetrcfile(pRc->m_pList, \
                            ppSectmp[nTmp]->m_szParent), configGetval(RC_CMN_VAL));
                        if (pComsec)   /* If we have a common section to load,  */
                            strcat(szExec, sectionGetdata(pComsec)); /* load it */
                    }

                    strcat(szExec, szTmp);  /* And build a section onto the command chain */
                    pszVec[2] = szExec;     /* Actually launch the new process image now  */

                    /* Spawn the section shell code */
                    switch (Pidexec = fork()){
                        case -1:    /* Broken */
                            return(RC_THROW(RC_ERR_INT));
                            break;  /* Huh? */
                        case 0:     /* Child, runs script code through bourne shell */
                            nSectuid = sectionGetuid(ppSectmp[nTmp]);
                            if (nSectuid >= 0 && getuid() != nSectuid)
                                if (setuid(nSectuid) != 0)
                                    return(RC_THROW(RC_ERR_ROOT));
                            if (execvp(*pszVec, pszVec) == -1)
                                return(RC_THROW(RC_ERR_INT));
                            break;
                        default: /* Parent, blocks until child returns */
                            waitpid(Pidexec, &nStat, WUNTRACED);
                            if ((nStat = WEXITSTATUS(nStat)) != 0)
                                return(nStat);
                            break;
                    }
                    free(szExec); /* Cleanup after exec */
                    szExec = NULL;
                }
                nTmp++; /* Next rc script */
            }
        }
        free(ppSectmp);
        ppSectmp = NULL;
    }
    else if (configGetval(RC_PRN_VAL)) {                        /* Print  */
        /* Allocate a block of section pointers to use as a temporary */
        ppSectmp = calloc(pRc->m_pList->m_nFiles, sizeof(rc_section_t *));

        /* Conditionally output initial notice in verbal mode */
        if (configGetval(RC_VRB_VAL))
            fprintf(stderr, "%s\n", RC_VST_TEXT);
        /* Conditionally print funcs section notice in verbal mode */
        if (configGetval(RC_VRB_VAL))
            fprintf(stderr, "%s\n", RC_PNF_TEXT);
        scriptDump(pRc->m_pScriptfunc); /* Dump the funcs script */

        for (nSecs = 0; nSecs < nTotalsecs; nSecs++) {
            for (nRcs = 0; nRcs < pRc->m_pList->m_nFiles; nRcs++) {
                for (nTmp = 0; nTmp < pRc->m_pList->m_ppFilevec[nRcs]->m_nSecs && \
                    strcmp(pRc->m_pList->m_ppFilevec[nRcs]->m_ppSecvec[nTmp]->m_szName, \
                                configGetsecs()[nSecs]); nTmp++);
                if (nTmp < pRc->m_pList->m_ppFilevec[nRcs]->m_nSecs)
                    ppSectmp[nRcs] = pRc->m_pList->m_ppFilevec[nRcs]->m_ppSecvec[nTmp];
                else
                    ppSectmp[nRcs] = NULL;
            }
            qsort((void *)ppSectmp, (size_t)pRc->m_pList->m_nFiles, sizeof(rc_section_t *), priCompare);
            for (nTmp = 0; nTmp < pRc->m_pList->m_nFiles && ppSectmp[nTmp]; nTmp++) {
                if (configGetval(RC_VRB_VAL)) {
                    /* Conditionally print config section notice in verbal mode */
                    nBytes = (strlen(RC_PRN_TEXT) + strlen(RC_DEF_NCF) + \
                        strlen(sectionGetparent(ppSectmp[nTmp])) + 2) * sizeof (char);
                    szVerbose = malloc(nBytes);
                    sprintf(szVerbose, RC_PRN_TEXT, RC_DEF_NCF, sectionGetparent(ppSectmp[nTmp]));
                    strcat(szVerbose, "\n");
                    fprintf(stderr, szVerbose);
                    free(szVerbose);
                    szVerbose = NULL;
                }
                scriptDump(pRc->m_pScriptcnf);  /* Dump the config script */

                /* Examine our list, and try to take the corresponding */
                /* common section data from it to add to your script   */
                {
                    rc_section_t *pComsec = NULL;
                    pComsec = rcfileGetsec(listGetrcfile(pRc->m_pList, \
                        ppSectmp[nTmp]->m_szParent), configGetval(RC_CMN_VAL));
                    if (pComsec) { /* Do we have a common section to load? */
                        if (configGetval(RC_VRB_VAL)) {
                            szTmp = (char *)sectionGetname(pComsec);
                            nBytes = (strlen(RC_PRN_TEXT) + strlen(szTmp) + \
                                strlen (sectionGetparent(pComsec)) + \
                                strlen(RC_ECHO_STR) + strlen("\"\"") + 1) * \
                                sizeof (char);
                            szVerbose = malloc(nBytes);
                            sprintf(szVerbose, RC_PRN_TEXT, szTmp, sectionGetparent(pComsec));
                            strcat(szVerbose, "\n");
                            fprintf(stderr, "%s", szVerbose);
                            free(szVerbose);
                            szVerbose = NULL;
                        }
                        sectionDump(pComsec);
                    }
                }

                if (configGetval(RC_VRB_VAL)) {
                    /* Conditionally print each section notice in verbal mode */
                    szTmp = (char *)sectionGetname(ppSectmp[nTmp]);
                    nBytes = (strlen(RC_PRN_TEXT) + strlen(szTmp) + 2) * sizeof (char);
                    szVerbose = malloc(nBytes);
                    sprintf(szVerbose, RC_PRN_TEXT, szTmp, sectionGetparent(ppSectmp[nTmp]));
                    strcat(szVerbose, "\n");
                    fprintf(stderr, "%s", szVerbose);
                    free(szVerbose);
                    szVerbose = NULL;
                }
                sectionDump(ppSectmp[nTmp]);
            }
        }
        free(ppSectmp);
        ppSectmp = NULL;
    }
    else if (configGetval(RC_PAR_VAL)) {                    /* Parse names */
        /* Allocate a block of section pointers to use as a temporary */
        ppSectmp = calloc(pRc->m_pList->m_nFiles, sizeof(rc_section_t *));
        fprintf(stderr, "file %s, section %s\n", pRc->m_pList->m_ppFilevec[nRcs]->m_szName, RC_DEF_NCF);
        for (nSecs = 0; nSecs < nTotalsecs; nSecs++) {
            for (nRcs = 0; nRcs < pRc->m_pList->m_nFiles; nRcs++) {
                for (nTmp = 0; nTmp < pRc->m_pList->m_ppFilevec[nRcs]->m_nSecs && \
                    strcmp(pRc->m_pList->m_ppFilevec[nRcs]->m_ppSecvec[nTmp]->m_szName, \
                                configGetsecs()[nSecs]); nTmp++);
                if (nTmp < pRc->m_pList->m_ppFilevec[nRcs]->m_nSecs)
                    ppSectmp[nRcs] = pRc->m_pList->m_ppFilevec[nRcs]->m_ppSecvec[nTmp];
                else
                    ppSectmp[nRcs] = NULL;
            }
            qsort((void *)ppSectmp, (size_t)pRc->m_pList->m_nFiles, sizeof(rc_section_t *), priCompare);
            for (nTmp = 0; nTmp < pRc->m_pList->m_nFiles && ppSectmp[nTmp]; nTmp++)
                fprintf(stderr, "section %s\n", ppSectmp[nTmp]->m_szName);
        }
        free(ppSectmp);
        ppSectmp = NULL;
    }
    else /* Something is wrong here */
        return(RC_THROW(RC_ERR_INT));

    return(RC_THROW(RC_OK));
}

/************************************************
* procDelete(rc_proc_t *)                       *
* Destruct a processor                          *
************************************************/
rc_return_t procDelete(rc_proc_t *pRc)
{
    int nRcs = pRc->m_pList->m_nFiles;

    scriptDelete(pRc->m_pScriptcnf);    /* Destroy the config script */
    pRc->m_pScriptcnf = NULL;
    scriptDelete(pRc->m_pScriptfunc);   /* Destroy the funcs script  */
    pRc->m_pScriptfunc = NULL;

    /* Destroy the rcfile objects */
    while (nRcs-- > 0)
        if (rcfileExists(pRc->m_pList->m_ppFilevec[nRcs])) {
            rcfileDelete(pRc->m_pList->m_ppFilevec[nRcs]);
            pRc->m_pList->m_ppFilevec[nRcs] = NULL;
        }

    free(pRc->m_pList->m_ppFilevec);
    pRc->m_pList->m_ppFilevec = NULL;
    listDelete(pRc->m_pList);           /* Destroy the rcfile list   */
    pRc->m_pList = NULL;
    free(pRc);                          /* Free the processor itself */
    pRc = NULL;

    return(RC_THROW(RC_OK));
}


CVSTrac 2.0.1