int LoadMountInfo(Rlist **list)
/* This is, in fact, the most portable way to read the mount info! */
/* Depressing, isn't it? */
{
FILE *pp;
char buf1[CF_BUFSIZE], buf2[CF_BUFSIZE], buf3[CF_BUFSIZE];
char host[CF_MAXVARSIZE], source[CF_BUFSIZE], mounton[CF_BUFSIZE], vbuff[CF_BUFSIZE];
int i, nfs = false;
for (i = 0; VMOUNTCOMM[VSYSTEMHARDCLASS][i] != ' '; i++)
{
buf1[i] = VMOUNTCOMM[VSYSTEMHARDCLASS][i];
}
buf1[i] = '\0';
SetTimeOut(RPCTIMEOUT);
if ((pp = cf_popen(buf1, "r")) == NULL)
{
CfOut(cf_error, "cf_popen", "Can't open %s\n", buf1);
return false;
}
do
{
vbuff[0] = buf1[0] = buf2[0] = buf3[0] = source[0] = '\0';
if (ferror(pp)) /* abortable */
{
CfOut(cf_error, "ferror", "Error getting mount info\n");
break;
}
CfReadLine(vbuff, CF_BUFSIZE, pp);
if (ferror(pp)) /* abortable */
{
CfOut(cf_error, "ferror", "Error getting mount info\n");
break;
}
if (strstr(vbuff, "nfs"))
{
nfs = true;
}
sscanf(vbuff, "%s%s%s", buf1, buf2, buf3);
if ((vbuff[0] == '\0') || (vbuff[0] == '\n'))
{
break;
}
if (strstr(vbuff, "not responding"))
{
CfOut(cf_error, "", "%s\n", vbuff);
}
if (strstr(vbuff, "be root"))
{
CfOut(cf_error, "", "Mount access is denied. You must be root.\n");
CfOut(cf_error, "", "Use the -n option to run safely.");
}
if ((strstr(vbuff, "retrying")) || (strstr(vbuff, "denied")) || (strstr(vbuff, "backgrounding")))
{
continue;
}
if ((strstr(vbuff, "exceeded")) || (strstr(vbuff, "busy")))
{
continue;
}
if (strstr(vbuff, "RPC"))
{
CfOut(cf_inform, "", "There was an RPC timeout. Aborting mount operations.\n");
CfOut(cf_inform, "", "Session failed while trying to talk to remote host\n");
CfOut(cf_inform, "", "%s\n", vbuff);
cf_pclose(pp);
return false;
}
switch (VSYSTEMHARDCLASS)
{
case darwin:
case linuxx:
case unix_sv:
case freebsd:
case netbsd:
case openbsd:
case qnx:
case crayos:
case dragonfly:
if (IsAbsoluteFileName(buf1))
{
strcpy(host, "localhost");
strcpy(mounton, buf3);
}
else
{
sscanf(buf1, "%[^:]:%s", host, source);
strcpy(mounton, buf3);
}
break;
case solaris:
case hp:
if (IsAbsoluteFileName(buf3))
{
strcpy(host, "localhost");
strcpy(mounton, buf1);
}
else
{
sscanf(buf1, "%[^:]:%s", host, source);
strcpy(mounton, buf1);
}
break;
case aix:
/* skip header */
if (IsAbsoluteFileName(buf1))
{
strcpy(host, "localhost");
strcpy(mounton, buf2);
}
else
{
strcpy(host, buf1);
strcpy(source, buf1);
strcpy(mounton, buf3);
}
break;
case cfnt:
strcpy(mounton, buf2);
strcpy(host, buf1);
break;
case cfsco:
CfOut(cf_error, "", "Don't understand SCO mount format, no data");
default:
printf("cfengine software error: case %d = %s\n", VSYSTEMHARDCLASS, CLASSTEXT[VSYSTEMHARDCLASS]);
FatalError("System error in GetMountInfo - no such class!");
}
CfDebug("GOT: host=%s, source=%s, mounton=%s\n", host, source, mounton);
if (nfs)
{
AugmentMountInfo(list, host, source, mounton, "nfs");
}
else
{
AugmentMountInfo(list, host, source, mounton, NULL);
}
}
while (!feof(pp));
alarm(0);
signal(SIGALRM, SIG_DFL);
cf_pclose(pp);
return true;
}
int LoadMountInfo(Rlist **list)
/* This is, in fact, the most portable way to read the mount info! */
/* Depressing, isn't it? */
{
FILE *pp;
char buf1[CF_BUFSIZE], buf2[CF_BUFSIZE], buf3[CF_BUFSIZE];
char host[CF_MAXVARSIZE], source[CF_BUFSIZE], mounton[CF_BUFSIZE], vbuff[CF_BUFSIZE];
int i, nfs = false;
for (i = 0; VMOUNTCOMM[VSYSTEMHARDCLASS][i] != ' '; i++)
{
buf1[i] = VMOUNTCOMM[VSYSTEMHARDCLASS][i];
}
buf1[i] = '\0';
SetTimeOut(RPCTIMEOUT);
if ((pp = cf_popen(buf1, "r")) == NULL)
{
CfOut(cf_error, "cf_popen", "Can't open %s\n", buf1);
return false;
}
do
{
vbuff[0] = buf1[0] = buf2[0] = buf3[0] = source[0] = '\0';
if (ferror(pp)) /* abortable */
{
CfOut(cf_error, "ferror", "Error getting mount info\n");
break;
}
if (CfReadLine(vbuff, CF_BUFSIZE, pp) == -1)
{
FatalError("Error in CfReadLine");
}
if (ferror(pp)) /* abortable */
{
CfOut(cf_error, "ferror", "Error getting mount info\n");
break;
}
if (strstr(vbuff, "nfs"))
{
nfs = true;
}
sscanf(vbuff, "%s%s%s", buf1, buf2, buf3);
if ((vbuff[0] == '\0') || (vbuff[0] == '\n'))
{
break;
}
if (strstr(vbuff, "not responding"))
{
CfOut(cf_error, "", "%s\n", vbuff);
}
if (strstr(vbuff, "be root"))
{
CfOut(cf_error, "", "Mount access is denied. You must be root.\n");
CfOut(cf_error, "", "Use the -n option to run safely.");
}
if ((strstr(vbuff, "retrying")) || (strstr(vbuff, "denied")) || (strstr(vbuff, "backgrounding")))
{
continue;
}
if ((strstr(vbuff, "exceeded")) || (strstr(vbuff, "busy")))
{
continue;
}
if (strstr(vbuff, "RPC"))
{
CfOut(cf_inform, "", "There was an RPC timeout. Aborting mount operations.\n");
CfOut(cf_inform, "", "Session failed while trying to talk to remote host\n");
CfOut(cf_inform, "", "%s\n", vbuff);
cf_pclose(pp);
return false;
}
#if defined(__sun) || defined(__hpux)
if (IsAbsoluteFileName(buf3))
{
strcpy(host, "localhost");
strcpy(mounton, buf1);
}
else
{
sscanf(buf1, "%[^:]:%s", host, source);
strcpy(mounton, buf1);
}
#elif defined(_AIX)
/* skip header */
if (IsAbsoluteFileName(buf1))
{
strcpy(host, "localhost");
strcpy(mounton, buf2);
}
else
{
strcpy(host, buf1);
strcpy(source, buf1);
strcpy(mounton, buf3);
}
#elif defined(__CYGWIN__)
strcpy(mounton, buf2);
strcpy(host, buf1);
#elif defined(sco) || defined(__SCO_DS)
CfOut(cf_error, "", "Don't understand SCO mount format, no data");
#else
if (IsAbsoluteFileName(buf1))
{
strcpy(host, "localhost");
strcpy(mounton, buf3);
}
else
{
sscanf(buf1, "%[^:]:%s", host, source);
strcpy(mounton, buf3);
}
#endif
CfDebug("GOT: host=%s, source=%s, mounton=%s\n", host, source, mounton);
if (nfs)
{
AugmentMountInfo(list, host, source, mounton, "nfs");
}
else
{
AugmentMountInfo(list, host, source, mounton, NULL);
}
}
while (!feof(pp));
alarm(0);
signal(SIGALRM, SIG_DFL);
cf_pclose(pp);
return true;
}
bool LoadMountInfo(Seq *list)
/* This is, in fact, the most portable way to read the mount info! */
/* Depressing, isn't it? */
{
FILE *pp;
char buf1[CF_BUFSIZE], buf2[CF_BUFSIZE], buf3[CF_BUFSIZE];
int i, nfs = false;
for (i = 0; VMOUNTCOMM[VSYSTEMHARDCLASS][i] != ' '; i++)
{
buf1[i] = VMOUNTCOMM[VSYSTEMHARDCLASS][i];
}
buf1[i] = '\0';
SetTimeOut(RPCTIMEOUT);
if ((pp = cf_popen(buf1, "r", true)) == NULL)
{
Log(LOG_LEVEL_ERR, "Can't open '%s'. (cf_popen: %s)", buf1, GetErrorStr());
return false;
}
size_t vbuff_size = CF_BUFSIZE;
char *vbuff = xmalloc(vbuff_size);
for (;;)
{
buf1[0] = buf2[0] = buf3[0] = '\0';
nfs = false;
ssize_t res = CfReadLine(&vbuff, &vbuff_size, pp);
if (res == -1)
{
if (!feof(pp))
{
Log(LOG_LEVEL_ERR, "Unable to read list of mounted filesystems. (fread: %s)", GetErrorStr());
cf_pclose(pp);
free(vbuff);
return false;
}
else
{
break;
}
}
if (strstr(vbuff, "nfs"))
{
nfs = true;
}
// security note: buff is CF_BUFSIZE, so that is the max that can be written to buf1, buf2 or buf3
sscanf(vbuff, "%s%s%s", buf1, buf2, buf3);
if ((vbuff[0] == '\0') || (vbuff[0] == '\n'))
{
break;
}
if (strstr(vbuff, "not responding"))
{
Log(LOG_LEVEL_ERR, "%s", vbuff);
}
if (strstr(vbuff, "be root"))
{
Log(LOG_LEVEL_ERR, "Mount access is denied. You must be root. Use the -n option to run safely");
}
if ((strstr(vbuff, "retrying")) || (strstr(vbuff, "denied")) || (strstr(vbuff, "backgrounding")))
{
continue;
}
if ((strstr(vbuff, "exceeded")) || (strstr(vbuff, "busy")))
{
continue;
}
if (strstr(vbuff, "RPC"))
{
Log(LOG_LEVEL_INFO, "There was an RPC timeout. Aborting mount operations.");
Log(LOG_LEVEL_INFO, "Session failed while trying to talk to remote host");
Log(LOG_LEVEL_INFO, "%s", vbuff);
cf_pclose(pp);
free(vbuff);
return false;
}
// host: max FQDN is 255 chars (max IPv6 with IPv4 tunneling is 45 chars)
// source, mounton: hardcoding max path length to 1023; longer is very unlikely
char host[256], source[1024], mounton[1024];
host[0] = source[0] = mounton[0] = '\0';
#if defined(__sun) || defined(__hpux)
if (IsAbsoluteFileName(buf3))
{
strlcpy(host, "localhost", sizeof(host));
strlcpy(mounton, buf1, sizeof(mounton));
}
else
{
sscanf(buf1, "%255[^:]:%1023s", host, source);
strlcpy(mounton, buf1, sizeof(mounton));
}
#elif defined(_AIX)
/* skip header */
if (IsAbsoluteFileName(buf1))
{
strlcpy(host, "localhost", sizeof(host));
strlcpy(mounton, buf2, sizeof(mounton));
}
else
{
strlcpy(host, buf1, sizeof(host));
strlcpy(source, buf1, sizeof(source));
strlcpy(mounton, buf3, sizeof(mounton));
}
#elif defined(__CYGWIN__)
strlcpy(mounton, buf2, sizeof(mounton));
strlcpy(host, buf1, sizeof(host));
#elif defined(sco) || defined(__SCO_DS)
Log(LOG_LEVEL_ERR, "Don't understand SCO mount format, no data");
#else
if (IsAbsoluteFileName(buf1))
{
strlcpy(host, "localhost", sizeof(host));
strlcpy(mounton, buf3, sizeof(mounton));
}
else
{
sscanf(buf1, "%255[^:]:%1023s", host, source);
strlcpy(mounton, buf3, sizeof(mounton));
}
#endif
Log(LOG_LEVEL_DEBUG, "LoadMountInfo: host '%s', source '%s', mounton '%s'", host, source, mounton);
if (nfs)
{
AugmentMountInfo(list, host, source, mounton, "nfs");
}
else
{
AugmentMountInfo(list, host, source, mounton, NULL);
}
}
free(vbuff);
alarm(0);
signal(SIGALRM, SIG_DFL);
cf_pclose(pp);
return true;
}
