コード例 #1
0
ファイル: extensible.c プロジェクト: ColdStart/SNMPD
void
extensible_parse_config(const char *token, char *cptr)
{
    struct extensible *ptmp, **pp;
    char           *tcptr;
    int            scount;

    /*
     * allocate and clear memory structure 
     */
    ptmp = (struct extensible *) calloc(1, sizeof(struct extensible));
    if (ptmp == NULL)
        return;                 /* XXX memory alloc error */

    if (*cptr == '.')
        cptr++;
    if (isdigit(*cptr)) {
        /*
         * its a relocatable extensible mib 
         */
        config_perror("WARNING: This output format is not valid, and is only retained for backward compatibility - Please consider using the 'extend' directive instead" );
        for (pp = &relocs, numrelocs++; *pp; pp = &((*pp)->next));
        (*pp) = ptmp;
        pp = &relocs; scount = numrelocs;

    } else {
        /*
         * it goes in with the general extensible table 
         */
        for (pp = &extens, numextens++; *pp; pp = &((*pp)->next));
        (*pp) = ptmp;
        pp = &extens; scount = numextens;
    }

    /*
     * the rest is pretty much handled the same 
     */
    if (!strncasecmp(token, "sh", 2))
        ptmp->type = SHPROC;
    else
        ptmp->type = EXECPROC;
    if (isdigit(*cptr)) {
        ptmp->miblen = parse_miboid(cptr, ptmp->miboid);
        while (isdigit(*cptr) || *cptr == '.')
            cptr++;
    }

    /*
     * name 
     */
    cptr = skip_white(cptr);
    copy_nword(cptr, ptmp->name, sizeof(ptmp->name));
    cptr = skip_not_white(cptr);
    cptr = skip_white(cptr);
    /*
     * command 
     */
    if (cptr == NULL) {
        config_perror("No command specified on line");
    } else {
        /*
         * Support multi-element commands in shell configuration
         *   lines, but truncate after the first command for 'exec'
         */
        for (tcptr = cptr; *tcptr != 0 && *tcptr != '#'; tcptr++)
            if (*tcptr == ';' && ptmp->type == EXECPROC)
                break;
        sprintf(ptmp->command, "%.*s", (int) (tcptr - cptr), cptr);
    }
#ifdef NETSNMP_EXECFIXCMD
    sprintf(ptmp->fixcmd, NETSNMP_EXECFIXCMD, ptmp->name);
#endif
    if (ptmp->miblen > 0) {
      /*
       * For relocatable "exec" entries,
       * register the new (not-strictly-valid) MIB subtree...
       */
        register_mib(token,
                     (struct variable *) extensible_relocatable_variables,
                     sizeof(struct variable2), 
                     sizeof(extensible_relocatable_variables) /
                     sizeof(*extensible_relocatable_variables),
                     ptmp->miboid, ptmp->miblen);

      /*
       * ... and ensure the entries are sorted by OID.
       * This isn't needed for entries in the main extTable (which
       * don't have MIB OIDs explicitly associated with them anyway)
       */
      if (scount > 1 && pp != &extens) {
        int i;
        struct extensible **etmp = (struct extensible **)
            malloc(((sizeof(struct extensible *)) * scount));
        if (etmp == NULL)
            return;                 /* XXX memory alloc error */
        for (i = 0, ptmp = *pp;
             i < scount && ptmp != 0; i++, ptmp = ptmp->next)
            etmp[i] = ptmp;
        qsort(etmp, scount, sizeof(struct extensible *),
              pass_compare);
        *pp = (struct extensible *) etmp[0];
        ptmp = (struct extensible *) etmp[0];

        for (i = 0; i < scount - 1; i++) {
            ptmp->next = etmp[i + 1];
            ptmp = ptmp->next;
        }
        ptmp->next = NULL;
        free(etmp);
      }
    }
}
コード例 #2
0
ファイル: pass_persist.c プロジェクト: bugfreeKK/net-snmp-1
void
pass_persist_parse_config(const char *token, char *cptr)
{
    struct extensible **ppass = &persistpassthrus, **etmp, *ptmp;
    char           *tcptr, *endopt;
    int             i;
    long int        priority;

    /*
     * options
     */
    priority = DEFAULT_MIB_PRIORITY;
    while (*cptr == '-') {
      cptr++;
      switch (*cptr) {
      case 'p':
	/* change priority level */
	cptr++;
	cptr = skip_white(cptr);
	if (! isdigit((unsigned char)(*cptr))) {
	  config_perror("priority must be an integer");
	  return;
	}
	priority = strtol((const char*) cptr, &endopt, 0);
	if ((priority == LONG_MIN) || (priority == LONG_MAX)) {
	  config_perror("priority under/overflow");
	  return;
	}
	cptr = endopt;
	cptr = skip_white(cptr);
	break;
      default:
	config_perror("unknown option for pass directive");
	return;
      }
    }

    /*
     * MIB
     */
    if (*cptr == '.')
        cptr++;
    if (!isdigit((unsigned char)(*cptr))) {
        config_perror("second token is not a OID");
        return;
    }
    numpersistpassthrus++;

    while (*ppass != NULL)
        ppass = &((*ppass)->next);
    (*ppass) = (struct extensible *) malloc(sizeof(struct extensible));
    if (*ppass == NULL)
        return;
    (*ppass)->type = PASSTHRU_PERSIST;

    (*ppass)->miblen = parse_miboid(cptr, (*ppass)->miboid);
    while (isdigit((unsigned char)(*cptr)) || *cptr == '.')
        cptr++;
    /*
     * path
     */
    cptr = skip_white(cptr);
    if (cptr == NULL) {
        config_perror("No command specified on pass_persist line");
        (*ppass)->command[0] = 0;
    } else {
        for (tcptr = cptr; *tcptr != 0 && *tcptr != '#' && *tcptr != ';';
             tcptr++);
        sprintf((*ppass)->command, "%.*s", (int) (tcptr - cptr), cptr);
    }
    strlcpy((*ppass)->name, (*ppass)->command, sizeof((*ppass)->name));
    (*ppass)->next = NULL;

    register_mib_priority("pass_persist",
                 (struct variable *) extensible_persist_passthru_variables,
                 sizeof(struct variable2), 1, (*ppass)->miboid,
                 (*ppass)->miblen, priority);

    /*
     * argggg -- pasthrus must be sorted 
     */
    if (numpersistpassthrus > 1) {
        etmp = (struct extensible **)
            malloc(((sizeof(struct extensible *)) * numpersistpassthrus));
        if (etmp == NULL)
            return;
        for (i = 0, ptmp = (struct extensible *) persistpassthrus;
             i < numpersistpassthrus && ptmp != NULL; i++, ptmp = ptmp->next)
            etmp[i] = ptmp;
        qsort(etmp, numpersistpassthrus, sizeof(struct extensible *),
              pass_persist_compare);
        persistpassthrus = (struct extensible *) etmp[0];
        ptmp = (struct extensible *) etmp[0];

        for (i = 0; i < numpersistpassthrus - 1; i++) {
            ptmp->next = etmp[i + 1];
            ptmp = ptmp->next;
        }
        ptmp->next = NULL;
        free(etmp);
    }
}
コード例 #3
0
ファイル: pass_persist.c プロジェクト: bugfreeKK/net-snmp-1
u_char         *
var_extensible_pass_persist(struct variable *vp,
                            oid * name,
                            size_t * length,
                            int exact,
                            size_t * var_len, WriteMethod ** write_method)
{
    oid             newname[MAX_OID_LEN];
    int             i, rtest, newlen;
    char            buf[SNMP_MAXBUF];
    static char     buf2[SNMP_MAXBUF];
    struct extensible *persistpassthru;
    FILE           *file;

    /*
     * Make sure that our basic pipe structure is malloced 
     */
    init_persist_pipes();

    for (i = 1; i <= numpersistpassthrus; i++) {
        persistpassthru = get_exten_instance(persistpassthrus, i);
        rtest = snmp_oidtree_compare(name, *length,
                                     persistpassthru->miboid,
                                     persistpassthru->miblen);
        if ((exact && rtest == 0) || (!exact && rtest <= 0)) {
            /*
             * setup args 
             */
            if (persistpassthru->miblen >= *length || rtest < 0)
                sprint_mib_oid(buf, persistpassthru->miboid,
                               persistpassthru->miblen);
            else
                sprint_mib_oid(buf, name, *length);

            /*
             * Open our pipe if necessary 
             */
            if (!open_persist_pipe(i, persistpassthru->name)) {
                return (NULL);
            }

            if (exact)
                snprintf(persistpassthru->command,
                  sizeof(persistpassthru->command), "get\n%s\n", buf);
            else
                snprintf(persistpassthru->command,
                  sizeof(persistpassthru->command), "getnext\n%s\n", buf);
            persistpassthru->command[ sizeof(persistpassthru->command)-1 ] = 0;

            DEBUGMSGTL(("ucd-snmp/pass_persist",
                        "persistpass-sending:\n%s",
                        persistpassthru->command));
            if (!write_persist_pipe(i, persistpassthru->command)) {
                *var_len = 0;
                /*
                 * close_persist_pipes is called in write_persist_pipe 
                 */
                return (NULL);
            }

            /*
             * valid call.  Exec and get output 
             */
		
            if ((file = persist_pipes[i].fIn)) {
                if (fgets(buf, sizeof(buf), file) == NULL) {
                    *var_len = 0;
                    close_persist_pipe(i);
                    return (NULL);
                }
                /*
                 * persistent scripts return "NONE\n" on invalid items 
                 */
                if (!strncmp(buf, "NONE", 4)) {
                    if (exact) {
                        *var_len = 0;
                        return (NULL);
                    }
                    continue;
                }
                newlen = parse_miboid(buf, newname);

                /*
                 * its good, so copy onto name/length 
                 */
                memcpy((char *) name, (char *) newname,
                       (int) newlen * sizeof(oid));
                *length = newlen;

                /*
                 * set up return pointer for setable stuff 
                 */
                *write_method = setPassPersist;

                if (newlen == 0 || fgets(buf, sizeof(buf), file) == NULL
                    || fgets(buf2, sizeof(buf2), file) == NULL) {
                    *var_len = 0;
                    close_persist_pipe(i);
                    return (NULL);
                }
                return netsnmp_internal_pass_parse(buf, buf2, var_len, vp);
            }
            *var_len = 0;
            return (NULL);
        }
    }
    if (var_len)
        *var_len = 0;
    *write_method = NULL;
    return (NULL);
}
コード例 #4
0
ファイル: pass.c プロジェクト: millken/zhuxianB30
u_char         *
var_extensible_pass(struct variable *vp,
                    oid * name,
                    size_t * length,
                    int exact,
                    size_t * var_len, WriteMethod ** write_method)
{
    oid             newname[MAX_OID_LEN];
    int             i, rtest, fd, newlen;
    static long     long_ret;
    static in_addr_t addr_ret;
    char            buf[SNMP_MAXBUF];
    static char     buf2[SNMP_MAXBUF];
    static oid      objid[MAX_OID_LEN];
    struct extensible *passthru;
    FILE           *file;

    long_ret = *length;
    for (i = 1; i <= numpassthrus; i++) {
        passthru = get_exten_instance(passthrus, i);
        rtest = snmp_oid_min_compare(name, *length,
                                     passthru->miboid, passthru->miblen);
        if ((exact && rtest == 0) || (!exact && rtest <= 0)) {
            /*
             * setup args
             */
            if (passthru->miblen >= *length || rtest < 0)
                sprint_mib_oid(buf, passthru->miboid, passthru->miblen);
            else
                sprint_mib_oid(buf, name, *length);
            if (exact)
                snprintf(passthru->command, sizeof(passthru->command),
                         "%s -g %s", passthru->name, buf);
            else
                snprintf(passthru->command, sizeof(passthru->command),
                         "%s -n %s", passthru->name, buf);
            passthru->command[ sizeof(passthru->command)-1 ] = 0;
            DEBUGMSGTL(("ucd-snmp/pass", "pass-running:  %s\n",
                        passthru->command));
            /*
             * valid call.  Exec and get output
             */
            if ((fd = get_exec_output(passthru)) != -1) {
                file = fdopen(fd, "r");
                if (fgets(buf, sizeof(buf), file) == NULL) {
                    fclose(file);
                    wait_on_exec(passthru);
                    if (exact) {
                        /*
                         * to enable creation
                         */
                        *write_method = setPass;
                        *var_len = 0;
                        return (NULL);
                    }
                    continue;
                }
                newlen = parse_miboid(buf, newname);

                /*
                 * its good, so copy onto name/length
                 */
                memcpy((char *) name, (char *) newname,
                       (int) newlen * sizeof(oid));
                *length = newlen;

                /*
                 * set up return pointer for setable stuff
                 */
                *write_method = setPass;

                if (newlen == 0 || fgets(buf, sizeof(buf), file) == NULL
                        || fgets(buf2, sizeof(buf2), file) == NULL) {
                    *var_len = 0;
                    fclose(file);
                    wait_on_exec(passthru);
                    return (NULL);
                }
                fclose(file);
                wait_on_exec(passthru);

                /*
                 * buf contains the return type, and buf2 contains the data
                 */
                if (!strncasecmp(buf, "string", 6)) {
                    buf2[strlen(buf2) - 1] = 0; /* zap the linefeed */
                    *var_len = strlen(buf2);
                    vp->type = ASN_OCTET_STR;
                    return ((unsigned char *) buf2);
                }
                else if (!strncasecmp(buf, "integer64", 9)) {
                    static struct counter64 c64;
                    uint64_t v64 = strtoull(buf2, NULL, 10);

                    void * _c64 = (void *)&c64;
                    if (sizeof(long) > 4) {    /* 64-bit machine */
                        c64.high = v64 >> 32;
                        c64.low = v64 & 0xffffffff;
                    }
                    else {    /* 32-bit machine */
                        *(uint64_t *)_c64 = v64;
                    }
                    *var_len = sizeof(c64);
                    vp->type = ASN_INTEGER64;
                    return ((unsigned char *) &c64);
                }
                else if (!strncasecmp(buf, "integer", 7)) {
コード例 #5
0
ファイル: extensible.c プロジェクト: Einheri/wl500g
void extensible_parse_config(char *token, char* cptr)
{

  struct extensible **pptmp;
  struct extensible **pprelocs = &relocs;
  struct extensible **ppexten = &extens;
  char *tcptr;
  
  if (*cptr == '.') cptr++;
  if (isdigit(*cptr)) {
    /* its a relocatable extensible mib */
    while(*pprelocs != NULL)
      pprelocs = &((*pprelocs)->next);
    numrelocs++;
    (*pprelocs) = (struct extensible *) malloc(sizeof(struct extensible));
    pptmp = pprelocs;
  } else {
    /* it goes in with the general extensible table */
    while(*ppexten != NULL)
      ppexten = &((*ppexten)->next);
    numextens++;
    (*ppexten) =
      (struct extensible *) malloc(sizeof(struct extensible));
    pptmp = ppexten;
  }
  /* the rest is pretty much handled the same */
  if (!strncasecmp(token,"sh",2)) 
    (*pptmp)->type = SHPROC;
  else
    (*pptmp)->type = EXECPROC;
  if (isdigit(*cptr)) {
    (*pptmp)->miblen = parse_miboid(cptr,(*pptmp)->miboid);
    while (isdigit(*cptr) || *cptr == '.') cptr++;
  }
  else {
    (*pptmp)->miboid[0] = 0;
    (*pptmp)->miblen = 0;
  }
  /* name */
  cptr = skip_white(cptr);
  copy_word(cptr,(*pptmp)->name);
  cptr = skip_not_white(cptr);
  cptr = skip_white(cptr);
  /* command */
  if (cptr == NULL) {
    config_perror("No command specified on line");
    (*pptmp)->command[0] = 0;
  } else {
    for(tcptr=cptr; *tcptr != 0 && *tcptr != '#' && *tcptr != ';';
        tcptr++);
    strncpy((*pptmp)->command,cptr,tcptr-cptr);
    (*pptmp)->command[tcptr-cptr] = 0;
    (*pptmp)->next = NULL;
  }
#ifdef PROCFIXCMD
  sprintf((*pptmp)->fixcmd, EXECFIXCMD, (*pptmp)->name);
#endif
  if ((*pptmp)->miblen > 0) {
    register_mib(token, (struct variable *) extensible_relocatable_variables,
                 sizeof(struct variable2),
                 6, (*pptmp)->miboid, (*pptmp)->miblen);
  }
}
コード例 #6
0
ファイル: pass.c プロジェクト: ClausKlein/net-snmp
u_char         *
var_extensible_pass(struct variable *vp,
                    oid * name,
                    size_t * length,
                    int exact,
                    size_t * var_len, WriteMethod ** write_method)
{
    oid             newname[MAX_OID_LEN];
    int             i, rtest, fd, newlen;
    char            buf[SNMP_MAXBUF];
    static char     buf2[SNMP_MAXBUF];
    struct extensible *passthru;
    FILE           *file;

    for (i = 1; i <= numpassthrus; i++) {
        passthru = get_exten_instance(passthrus, i);
        rtest = snmp_oidtree_compare(name, *length,
                                     passthru->miboid, passthru->miblen);
        if ((exact && rtest == 0) || (!exact && rtest <= 0)) {
            /*
             * setup args 
             */
            if (passthru->miblen >= *length || rtest < 0)
                sprint_mib_oid(buf, passthru->miboid, passthru->miblen);
            else
                sprint_mib_oid(buf, name, *length);
            if (exact)
                snprintf(passthru->command, sizeof(passthru->command),
                         "%s -g %s", passthru->name, buf);
            else
                snprintf(passthru->command, sizeof(passthru->command),
                         "%s -n %s", passthru->name, buf);
            passthru->command[ sizeof(passthru->command)-1 ] = 0;
            DEBUGMSGTL(("ucd-snmp/pass", "pass-running:  %s\n",
                        passthru->command));
            /*
             * valid call.  Exec and get output 
             */
            if ((fd = get_exec_output(passthru)) != -1) {
                file = fdopen(fd, "r");
                if (fgets(buf, sizeof(buf), file) == NULL) {
                    fclose(file);
                    wait_on_exec(passthru);
                    if (exact) {
                        /*
                         * to enable creation
                         */
                        *write_method = setPass;
                        *var_len = 0;
                        return (NULL);
                    }
                    continue;
                }
                newlen = parse_miboid(buf, newname);

                /*
                 * its good, so copy onto name/length 
                 */
                memcpy((char *) name, (char *) newname,
                       (int) newlen * sizeof(oid));
                *length = newlen;

                /*
                 * set up return pointer for setable stuff 
                 */
                *write_method = setPass;

                if (newlen == 0 || fgets(buf, sizeof(buf), file) == NULL
                    || fgets(buf2, sizeof(buf2), file) == NULL) {
                    *var_len = 0;
                    fclose(file);
                    wait_on_exec(passthru);
                    return (NULL);
                }
                fclose(file);
                wait_on_exec(passthru);

                return netsnmp_internal_pass_parse(buf, buf2, var_len, vp);
            }
            *var_len = 0;
            return (NULL);
        }
    }
    if (var_len)
        *var_len = 0;
    *write_method = NULL;
    return (NULL);
}