static DWORD AddFormattedLine(struct SshConf *conf, const char *filename, const char *linestr, const char **endptr)
{
DWORD ceError = ERROR_SUCCESS;
struct SshLine lineObj;
const char *pos = linestr;
const char *token_start = NULL;
memset(&lineObj, 0, sizeof(lineObj));
/* Find the leading whitespace in the line */
token_start = pos;
while(isblank(*pos)) pos++;
BAIL_ON_CENTERIS_ERROR(ceError = CTStrndup(token_start, pos - token_start, &lineObj.leadingWhiteSpace));
/* Find the option name in the line */
token_start = pos;
while(!isspace((int)*pos) && *pos != '\0' && *pos != '#')
{
pos++;
}
BAIL_ON_CENTERIS_ERROR(ceError = CTStrndup(token_start, pos - token_start, &lineObj.name.value));
/* Find the blank space separating the option name and option value */
token_start = pos;
while(isblank(*pos)) pos++;
BAIL_ON_CENTERIS_ERROR(ceError = CTStrndup(token_start, pos - token_start, &lineObj.name.trailingSeparator));
/* Find the option value */
token_start = pos;
//This token can contain spaces and tabs
while(*pos != '\0' && *pos != '#' && *pos != '\n' && *pos != '\r') pos++;
//But not at the end, so trim off the trailing white space
while(pos > token_start && isblank(pos[-1])) pos--;
BAIL_ON_CENTERIS_ERROR(ceError = CTStrndup(token_start, pos - token_start, &lineObj.value.value));
/* Find the line's trailing whitespace and comment */
token_start = pos;
while(*pos != '\0' && *pos != '\n' && *pos != '\r') pos++;
BAIL_ON_CENTERIS_ERROR(ceError = CTStrndup(token_start, pos - token_start, &lineObj.value.trailingSeparator));
BAIL_ON_CENTERIS_ERROR(ceError = CTArrayAppend(&conf->private_data, sizeof(lineObj), &lineObj, 1));
memset(&lineObj, 0, sizeof(lineObj));
UpdatePublicLines(conf);
if(endptr != NULL)
*endptr = pos;
conf->modified = 1;
error:
FreeSshLineContents(&lineObj);
return ceError;
}
static DWORD AddFormattedLine(NsswitchConf *conf, const char *filename, const char *linestr, const char **endptr)
{
DWORD ceError = ERROR_SUCCESS;
NsswitchEntry lineObj;
const char *pos = linestr;
const char *token_start = NULL;
CTParseToken token;
memset(&lineObj, 0, sizeof(lineObj));
memset(&token, 0, sizeof(token));
/* Find the leading whitespace in the line */
token_start = pos;
while(isblank(*pos)) pos++;
GCE(ceError = CTStrndup(token_start, pos - token_start, &lineObj.leadingWhiteSpace));
/* Read the name of the entry and attach its trailing : or = */
GCE(ceError = CTReadToken(&pos, &lineObj.name, "=: \t", ";#\r\n", ""));
/* Create an array of the modules for this entry */
while(strchr("\r\n;#", *pos) == NULL)
{
GCE(ceError = CTReadToken(&pos, &token, ", \t", ";#\r\n", ""));
GCE(ceError = CTArrayAppend(&lineObj.modules, sizeof(CTParseToken), &token, 1));
memset(&token, 0, sizeof(token));
}
/*Read the comment, if there is one*/
token_start = pos;
while(strchr("\r\n", *pos) == NULL) pos++;
if(pos != token_start)
GCE(ceError = CTStrndup(token_start, pos - token_start, &lineObj.comment));
GCE(ceError = CTArrayAppend(&conf->lines, sizeof(lineObj), &lineObj, 1));
memset(&lineObj, 0, sizeof(lineObj));
if(endptr != NULL)
*endptr = pos;
cleanup:
FreeNsswitchEntryContents(&lineObj);
CTFreeParseTokenContents(&token);
return ceError;
}
DWORD CTReadToken(const char **pos, CTParseToken *store, const char *includeSeparators, const char *excludeSeparators, const char *trimBack)
{
DWORD ceError = ERROR_SUCCESS;
char const * token_start = *pos;
char const * white_start, * white_end;
memset(store, 0, sizeof(*store));
while(**pos != '\0' &&
strchr(includeSeparators, **pos) == NULL &&
strchr(excludeSeparators, **pos) == NULL)
{
(*pos)++;
}
white_start = *pos;
while (**pos != '\0' && strchr(includeSeparators, **pos) != NULL)
{
(*pos)++;
}
white_end = *pos;
while (white_start > token_start &&
white_start[-1] != '\0' &&
strchr(trimBack, white_start[-1]) != NULL)
{
white_start--;
}
if(token_start != white_start)
{
ceError = CTStrndup(token_start, white_start - token_start,
&store->value);
BAIL_ON_CENTERIS_ERROR(ceError);
}
if(white_start != white_end)
{
ceError = CTStrndup(white_start, white_end - white_start,
&store->trailingSeparator);
BAIL_ON_CENTERIS_ERROR(ceError);
}
error:
if (ceError)
CTFreeParseTokenContents(store);
return ceError;
}
DWORD CTGetDistroInfo(const char *testPrefix, CtDistroInfo *info)
{
BOOLEAN exists;
DWORD ceError = ERROR_SUCCESS;
struct utsname unameStruct;
char *path = NULL;
PSTR fileContents = NULL;
PSTR distroString = NULL;
BOOLEAN rxAlloced = FALSE;
regex_t rx;
memset(info, 0, sizeof(*info));
#if defined(HAVE_SYSINFO) && defined(SI_ARCHITECTURE)
char archBuffer[100];
#endif
//According to the Solaris man page, any non-negative return value
//indicates success. In fact, Solaris 8 returns 1, while Linux returns
//0.
if(uname(&unameStruct) < 0)
return LwMapErrnoToLwError(errno);
//Check for os override file
if(testPrefix == NULL)
testPrefix = "";
GCE(ceError = CTAllocateStringPrintf(
&path, "%s/ostype", testPrefix));
GCE(ceError = CTCheckFileOrLinkExists(
path, &exists));
if(exists)
{
GCE(ceError = CTReadFile(
path, SIZE_MAX, &fileContents, NULL));
}
if(fileContents != NULL)
{
CTStripWhitespace(fileContents);
info->os = CTGetOSFromString(fileContents);
}
else
info->os = CTGetOSFromString(unameStruct.sysname);
CT_SAFE_FREE_STRING(fileContents);
CT_SAFE_FREE_STRING(path);
//Check for distro override file
GCE(ceError = CTAllocateStringPrintf(
&path, "%s/osdistro", testPrefix));
GCE(ceError = CTCheckFileOrLinkExists(
path, &exists));
if(exists)
{
GCE(ceError = CTReadFile(
path, SIZE_MAX, &distroString, NULL));
}
CT_SAFE_FREE_STRING(path);
if(distroString != NULL)
{
CTStripWhitespace(distroString);
info->distro = CTGetDistroFromString(distroString);
CT_SAFE_FREE_STRING(distroString);
GCE(ceError = CTStrdup("unknown", &info->version));
}
else if(info->os == OS_LINUX)
{
struct
{
CtDistroType matchDistro;
const char *searchFile;
const char *matchRegex;
int versionMatchNum;
int updateMatchNum;
BOOLEAN compareCase;
} const distroSearch[] = {
{
DISTRO_ESX,
"/etc/vmware-release",
/*
# The format of the line is something like:
# VMware ESX 4.0 (Kandinsky)
*/
"^[[:space:]]*VMware ESX ([[:digit:]]+(\\.[[:digit:]]+)?)"
"( \\(\\S+\\))?",
1,
-1,
1
},
{
DISTRO_RHEL,
"/etc/redhat-release",
/*
# The format of the line is something like:
# Red Hat Enterprise Linux ES release 4 (Nahant Update 1)
# Red Hat Linux Advanced Server release 2.1AS (Pensacola)
# Red Hat Enterprise Linux Client release 5 (Tikanga)
# Red Hat Enterprise Linux Server release 5.3 (Tikanga)
# Red Hat Enterprise Linux ES release 4 (Nahant Update 8)
# Red Hat Enterprise Linux Workstation release 6.0 (Santiago)
# In addition, Oracle Linux reports itself as:
# Enterprise Linux Enterprise Linux AS release 4 (October Update 5)
*/
//Find a matching distro name
"^[[:space:]]*((Red Hat)|(Enterprise Linux)) ((Enterprise Linux)|(Linux (Advanced|Enterprise) Server))[[:space:]]+(AS |ES |Client |Server |Workstation )?"
"release ([[:digit:]]+(\\.[[:digit:]]+)?(AS|ES)?) (\\(\\S+ Update ([[:digit:]]+)\\))?",
9,
13,
1
},
{
DISTRO_REDHAT,
"/etc/redhat-release",
/*
# The format of the line is something like:
# Red Hat Linux release 7.3 (Valhala)
*/
"^[[:space:]]*Red Hat Linux release ([[:digit:]]+(\\.[[:digit:]]+)?)",
1,
-1,
1
},
{
DISTRO_FEDORA,
"/etc/redhat-release",
/*
# The format of the line is something like:
# Fedora Core release 4 (Stentz)
*/
"^[[:space:]]*Fedora (Core )?release (\\S+)",
2,
-1,
1
},
{
DISTRO_CENTOS,
"/etc/redhat-release",
/*
# The format of the line is something like:
# CentOS release 4.x (Final)
*/
"^[[:space:]]*(CentOS|CentOS Linux) release ([[:digit:]]+(\\.[[:digit:]]+)?)",
2,
-1,
1
},
{
DISTRO_SCIENTIFIC,
"/etc/redhat-release",
/*
# The format of the line is something like:
# Scientific Linux release 6.1 (Carbon)
*/
"^[[:space:]]*(Scientific|Scientific Linux) release ([[:digit:]]+(\\.[[:digit:]]+)?)",
2,
-1,
1
},
{
DISTRO_SUSE,
"/etc/SuSE-release",
"^[[:space:]]*SUSE LINUX ([[:digit:]]+\\.[[:digit:]]+)[[:space:]]+",
1,
-1,
0
},
{
DISTRO_OPENSUSE,
"/etc/SuSE-release",
"^[[:space:]]*openSUSE ([[:digit:]]+\\.[[:digit:]]+)[[:space:]]+",
1,
-1,
0
},
{
DISTRO_SLES,
"/etc/SuSE-release",
"^[[:space:]]*SUSE LINUX Enterprise Server ([[:digit:]]+( SP[[:digit:]]+)?)",
1,
-1,
0
},
{
DISTRO_SLED,
"/etc/SuSE-release",
"^[[:space:]]*SUSE LINUX Enterprise Desktop ([[:digit:]]+( SP[[:digit:]]+)?)",
1,
-1,
0
},
{
DISTRO_UBUNTU,
"/etc/lsb-release",
/*
# The file will have lines that include:
# DISTRIB_ID=Ubuntu
# DISTRIB_RELEASE=6.06
*/
"^[[:space:]]*DISTRIB_ID[[:space:]]*=[[:space:]]*Ubuntu[[:space:]]*\n"
"(.*\n)?DISTRIB_RELEASE[[:space:]]*=[[:space:]]*(\\S+)[[:space:]]*(\n.*)?$",
2,
-1,
1
},
{
DISTRO_DEBIAN,
"/etc/debian_version",
/*
# The format of the entire file is a single line like:
# 3.1
# and nothing else, so that is the version
*/
"^[[:space:]]*(\\S+)[[:space:]]*$",
1,
-1,
1
},
};
int i;
regmatch_t matches[20];
info->distro = DISTRO_UNKNOWN;
for(i = 0; info->distro == DISTRO_UNKNOWN; i++)
{
if(i == sizeof(distroSearch)/sizeof(distroSearch[0]))
{
//We past the last item in DistroSearch
break;
}
GCE(ceError = CTAllocateStringPrintf(
&path, "%s%s", testPrefix, distroSearch[i].searchFile));
GCE(ceError = CTCheckFileOrLinkExists(path, &exists));
if(exists)
{
int flags = REG_EXTENDED;
if(!distroSearch[i].compareCase)
flags |= REG_ICASE;
GCE(ceError = CTReadFile(path, SIZE_MAX, &fileContents, NULL));
if(regcomp(&rx, distroSearch[i].matchRegex, flags) != 0)
{
GCE(ceError = LW_ERROR_REGEX_COMPILE_FAILED);
}
rxAlloced = TRUE;
if(regexec(&rx, fileContents,
sizeof(matches)/sizeof(matches[0]), matches, 0) == 0 &&
matches[distroSearch[i].versionMatchNum].rm_so != -1)
{
//This is the correct distro
regmatch_t *ver = &matches[distroSearch[i].versionMatchNum];
regmatch_t *update = &matches[distroSearch[i].updateMatchNum];
info->distro = distroSearch[i].matchDistro;
if (distroSearch[i].updateMatchNum == -1 ||
update->rm_so == -1)
{
GCE(ceError = CTStrndup(fileContents + ver->rm_so,
ver->rm_eo - ver->rm_so,
&info->version));
}
else
{
GCE(ceError = CTAllocateStringPrintf(
&info->version,
"%.*s.%.*s",
ver->rm_eo - ver->rm_so,
fileContents + ver->rm_so,
update->rm_eo - update->rm_so,
fileContents + update->rm_so));
}
}
regfree(&rx);
rxAlloced = FALSE;
CT_SAFE_FREE_STRING(fileContents);
}
CT_SAFE_FREE_STRING(path);
}
if(info->distro == DISTRO_DEBIAN)
{
/*
#
# Debian and Ubuntu both have /etc/debian_version,
# but only Ubuntu has an /etc/lsb-release
#
*/
GCE(ceError = CTAllocateStringPrintf(
&path, "%s/etc/lsb-release", testPrefix));
GCE(ceError = CTCheckFileOrLinkExists(path, &exists));
if(exists)
{
// CT_LOG_ERROR("Unexpected file: %s", path);
info->distro = DISTRO_UNKNOWN;
}
CT_SAFE_FREE_STRING(path);
}
}
else
{
//It's a UNIX system
switch(info->os)
{
case OS_AIX:
info->distro = DISTRO_AIX;
/*Uname output from AIX 5.3:
$ uname -v
5
$ uname -r
3
*/
GCE(ceError = CTAllocateStringPrintf(&info->version,
"%s.%s", unameStruct.version, unameStruct.release));
break;
case OS_SUNOS:
info->distro = DISTRO_SUNOS;
/*Uname output from Solaris 8:
$ uname -r
5.8
*/
GCE(ceError = CTAllocateStringPrintf(&info->version,
"%s", unameStruct.release));
break;
case OS_DARWIN:
info->distro = DISTRO_DARWIN;
ceError = CTGetPListVersion(&info->version);
GCE(ceError);
CTStripWhitespace(info->version);
break;
case OS_HPUX:
info->distro = DISTRO_HPUX;
{
const char *temp = unameStruct.release;
while(!isdigit((int)*temp)) temp++;
GCE(ceError = CTStrdup(temp, &info->version));
}
break;
case OS_FREEBSD:
info->distro = DISTRO_FREEBSD;
GCE(ceError = CTAllocateStringPrintf(&info->version,
"%s", unameStruct.release));
break;
default:
info->distro = DISTRO_UNKNOWN;
}
}
if(info->distro == DISTRO_UNKNOWN)
{
CT_SAFE_FREE_STRING(info->version);
GCE(ceError = CTStrdup("unknown", &info->version));
}
//Check for version override file
GCE(ceError = CTAllocateStringPrintf(
&path, "%s/osver", testPrefix));
GCE(ceError = CTCheckFileOrLinkExists(
path, &exists));
if(exists)
{
GCE(ceError = CTReadFile(
path, SIZE_MAX, &fileContents, NULL));
}
if(fileContents != NULL)
{
CTStripWhitespace(fileContents);
CT_SAFE_FREE_STRING(info->version);
info->version = fileContents;
fileContents = NULL;
}
CT_SAFE_FREE_STRING(path);
/*
uname -m output:
Linux: x86_64
Linux: i386
Linux: i686
AIX: 00CBE1DD4C00
Solaris: sun4u
Solaris: i86pc
Darwin: i386
Darwin: Power Macintosh
HPUX: 9000/785
uname -i output:
Linux: x86_64
Linux: i386
RHEL21: not recogn
AIX: not recogn
Darwin: not recogn
Solaris: SUNW,Ultra-4
Solaris: i86pc
HPUX: 2000365584
uname -p output:
Linux reads /proc/cpuinfo
Linux: x86_64
Linux: i686
Linux: athlon
Darwin: i386
Darwin: powerpc
AIX has the value hard coded in uname
AIX: powerpc
Solaris uses sysinfo(SI_ARCHITECTURE, buff, sizeof(buff)
Solaris: sparc
Solaris: i386
HPUX: not recogn
*/
info->arch = ARCH_UNKNOWN;
#if defined(HAVE_SYSINFO) && defined(SI_ARCHITECTURE)
//Solaris has this
if(info->arch == ARCH_UNKNOWN &&
sysinfo(SI_ARCHITECTURE, archBuffer, sizeof(archBuffer)) != -1)
{
info->arch = CTGetArchFromString(archBuffer);
}
#endif
#if defined(HAVE_SYSCONF) && defined(_SC_CPU_VERSION)
//HPUX uses this
if(info->arch == ARCH_UNKNOWN)
{
switch(sysconf(_SC_CPU_VERSION))
{
case CPU_PA_RISC1_0:
case CPU_PA_RISC1_1:
case CPU_PA_RISC1_2:
case CPU_PA_RISC2_0:
case CPU_PA_RISC_MAX:
info->arch = ARCH_HPPA;
break;
#ifdef CPU_HP_INTEL_EM_1_0
case CPU_HP_INTEL_EM_1_0:
#endif
#ifdef CPU_IA64_ARCHREV_0
case CPU_IA64_ARCHREV_0:
#endif
info->arch = ARCH_IA64;
break;
//If it's not any of the previous values, let another test figure
//it out.
}
}
#endif
if(info->arch == ARCH_UNKNOWN)
{
//Linux uses this, and sometimes Darwin does too. If 'uname -m' doesn't
//return something meaningful on this platform, then the arch will stay
//as unknown.
info->arch = CTGetArchFromString(unameStruct.machine);
}
if(info->arch == ARCH_UNKNOWN)
{
//AIX and sometimes Darwin use this
GCE(ceError = CTCaptureOutput("uname -p", &distroString));
CTStripWhitespace(distroString);
info->arch = CTGetArchFromString(distroString);
CT_SAFE_FREE_STRING(distroString);
}
//Check for arch override file
GCE(ceError = CTAllocateStringPrintf(
&path, "%s/osarch", testPrefix));
GCE(ceError = CTCheckFileOrLinkExists(
path, &exists));
if(exists)
{
GCE(ceError = CTReadFile(
path, SIZE_MAX, &fileContents, NULL));
info->arch = CTGetArchFromString(fileContents);
CT_SAFE_FREE_STRING(fileContents);
}
CT_SAFE_FREE_STRING(path);
cleanup:
CT_SAFE_FREE_STRING(path);
CT_SAFE_FREE_STRING(fileContents);
CT_SAFE_FREE_STRING(distroString);
if(rxAlloced)
regfree(&rx);
if(ceError)
{
CTFreeDistroInfo(info);
}
return ceError;
}
