scepclient: Migrated logging to libstrongswan.

This commit is contained in:
Tobias Brunner
2012-06-11 17:09:19 +02:00
parent a69d8dd000
commit a2ddcc3695
5 changed files with 147 additions and 513 deletions
+86 -66
View File
@@ -1,4 +1,5 @@
/*
* Copyright (C) 2012 Tobias Brunner
* Copyright (C) 2005 Jan Hutter, Martin Willi
* Hochschule fuer Technik Rapperswil
*
@@ -21,6 +22,7 @@
#include <ctype.h>
#include <unistd.h>
#include <time.h>
#include <syslog.h>
#include <freeswan.h>
@@ -43,7 +45,6 @@
#include "../pluto/constants.h"
#include "../pluto/defs.h"
#include "../pluto/log.h"
#include "../pluto/certs.h"
#include "../pluto/pkcs7.h"
@@ -137,6 +138,68 @@ certificate_t *x509_ca_enc = NULL;
certificate_t *x509_ca_sig = NULL;
certificate_t *pkcs10_req = NULL;
/* logging */
static bool log_to_stderr = TRUE;
static bool log_to_syslog = TRUE;
static level_t default_loglevel = 1;
/**
* logging function for scepclient
*/
static void scepclient_dbg(debug_t group, level_t level, char *fmt, ...)
{
char buffer[8192];
char *current = buffer, *next;
va_list args;
if (level <= default_loglevel)
{
if (log_to_stderr)
{
va_start(args, fmt);
vfprintf(stderr, fmt, args);
va_end(args);
fprintf(stderr, "\n");
}
if (log_to_syslog)
{
/* write in memory buffer first */
va_start(args, fmt);
vsnprintf(buffer, sizeof(buffer), fmt, args);
va_end(args);
/* do a syslog with every line */
while (current)
{
next = strchr(current, '\n');
if (next)
{
*(next++) = '\0';
}
syslog(LOG_INFO, "%s\n", current);
current = next;
}
}
}
}
/**
* Initialize logging to stderr/syslog
*/
static void init_log(const char *program)
{
dbg = scepclient_dbg;
if (log_to_stderr)
{
setbuf(stderr, NULL);
}
if (log_to_syslog)
{
openlog(program, LOG_CONS | LOG_NDELAY | LOG_PID, LOG_AUTHPRIV);
}
}
/**
* @brief exit scepclient
*
@@ -171,7 +234,7 @@ static void exit_scepclient(err_t message, ...)
if (message != NULL && *message != '\0')
{
va_list args;
char m[LOG_WIDTH]; /* longer messages will be truncated */
char m[8192];
va_start(args, message);
vsnprintf(m, sizeof(m), message, args);
@@ -181,7 +244,6 @@ static void exit_scepclient(err_t message, ...)
status = -1;
}
library_deinit();
close_log();
exit(status);
}
@@ -224,7 +286,7 @@ static void usage(const char *message)
"\n"
"Options for key generation (pkcs1):\n"
" --keylength (-k) <bits> key length for RSA key generation\n"
"(default: 2048 bits)\n"
" (default: 2048 bits)\n"
"\n"
"Options for validity:\n"
" --days (-D) <days> validity in days\n"
@@ -247,16 +309,9 @@ static void usage(const char *message)
" --interval (-t) <seconds> manual mode poll interval in seconds (default 20s)\n"
" --maxpolltime (-x) <seconds> max poll time in seconds when in manual mode\n"
" (default: unlimited)\n"
#ifdef DEBUG
"\n"
"Debugging output:\n"
" --debug-all (-A) show everything except private\n"
" --debug-parsing (-P) show parsing relevant stuff\n"
" --debug-raw (-R) show raw hex dumps\n"
" --debug-control (-C) show control flow output\n"
" --debug-controlmore (-M) show more control flow\n"
" --debug-private (-X) show sensitive data (private keys, etc.)\n"
#endif
" --debug (-l) <level> changes the log level (-1..4, default: 1)\n"
);
exit_scepclient(message);
}
@@ -374,7 +429,6 @@ int main(int argc, char **argv)
scep_response = chunk_empty;
subjectAltNames = linked_list_create();
options = options_create();
log_to_stderr = TRUE;
for (;;)
{
@@ -384,6 +438,7 @@ int main(int argc, char **argv)
{ "version", no_argument, NULL, 'v' },
{ "optionsfrom", required_argument, NULL, '+' },
{ "quiet", no_argument, NULL, 'q' },
{ "debug", required_argument, NULL, 'l' },
{ "in", required_argument, NULL, 'i' },
{ "out", required_argument, NULL, 'o' },
{ "force", no_argument, NULL, 'f' },
@@ -399,14 +454,6 @@ int main(int argc, char **argv)
{ "method", required_argument, NULL, 'm' },
{ "interval", required_argument, NULL, 't' },
{ "maxpolltime", required_argument, NULL, 'x' },
#ifdef DEBUG
{ "debug-all", no_argument, NULL, 'A' },
{ "debug-parsing", no_argument, NULL, 'P'},
{ "debug-raw", no_argument, NULL, 'R'},
{ "debug-control", no_argument, NULL, 'C'},
{ "debug-controlmore", no_argument, NULL, 'M'},
{ "debug-private", no_argument, NULL, 'X'},
#endif
{ 0,0,0,0 }
};
@@ -428,6 +475,10 @@ int main(int argc, char **argv)
log_to_stderr = FALSE;
continue;
case 'l': /* --debug <level> */
default_loglevel = atoi(optarg);
continue;
case 'i': /* --in <type> [= <filename>] */
{
char *filename = strstr(optarg, "=");
@@ -702,33 +753,12 @@ int main(int argc, char **argv)
}
continue;
}
#ifdef DEBUG
case 'A': /* --debug-all */
base_debugging |= DBG_ALL;
continue;
case 'P': /* debug parsing */
base_debugging |= DBG_PARSING;
continue;
case 'R': /* debug raw */
base_debugging |= DBG_RAW;
continue;
case 'C': /* debug control */
base_debugging |= DBG_CONTROL;
continue;
case 'M': /* debug control more */
base_debugging |= DBG_CONTROLMORE;
continue;
case 'X': /* debug private */
base_debugging |= DBG_PRIVATE;
continue;
#endif
default:
usage("unknown option");
}
/* break from loop */
break;
}
cur_debugging = base_debugging;
init_log("scepclient");
@@ -738,12 +768,12 @@ int main(int argc, char **argv)
{
exit_scepclient("plugin loading failed");
}
DBG1(DBG_LIB, " loaded plugins: %s",
DBG1(DBG_APP, " loaded plugins: %s",
lib->plugins->loaded_plugins(lib->plugins));
if ((filetype_out == 0) && (!request_ca_certificate))
{
usage ("--out filetype required");
usage("--out filetype required");
}
if (request_ca_certificate && (filetype_out > 0 || filetype_in > 0))
{
@@ -838,18 +868,14 @@ int main(int argc, char **argv)
distinguishedName = buf;
}
DBG(DBG_CONTROL,
DBG_log("dn: '%s'", distinguishedName);
)
DBG2(DBG_APP, "dn: '%s'", distinguishedName);
subject = identification_create_from_string(distinguishedName);
if (subject->get_type(subject) != ID_DER_ASN1_DN)
{
exit_scepclient("parsing of distinguished name failed");
}
DBG(DBG_CONTROL,
DBG_log("building pkcs10 object:")
)
DBG2(DBG_APP, "building pkcs10 object:");
pkcs10_req = lib->creds->create(lib->creds, CRED_CERTIFICATE,
CERT_PKCS10_REQUEST,
BUILD_SIGNING_KEY, private_key,
@@ -864,7 +890,7 @@ int main(int argc, char **argv)
}
pkcs10_req->get_encoding(pkcs10_req, CERT_ASN1_DER, &pkcs10_encoding);
fingerprint = scep_generate_pkcs10_fingerprint(pkcs10_encoding);
plog(" fingerprint: %s", fingerprint.ptr);
DBG1(DBG_APP, " fingerprint: %s", fingerprint.ptr);
}
/*
@@ -893,9 +919,7 @@ int main(int argc, char **argv)
{
char *path = concatenate_paths(PRIVATE_KEY_PATH, file_out_pkcs1);
DBG(DBG_CONTROL,
DBG_log("building pkcs1 object:")
)
DBG2(DBG_APP, "building pkcs1 object:");
if (!private_key->get_encoding(private_key, PRIVKEY_ASN1_DER, &pkcs1) ||
!chunk_write(pkcs1, path, "pkcs1", 0066, force))
{
@@ -910,7 +934,7 @@ int main(int argc, char **argv)
}
scep_generate_transaction_id(public_key, &transID, &serialNumber);
plog(" transaction ID: %.*s", (int)transID.len, transID.ptr);
DBG1(DBG_APP, " transaction ID: %.*s", (int)transID.len, transID.ptr);
notBefore = notBefore ? notBefore : time(NULL);
notAfter = notAfter ? notAfter : (notBefore + validity);
@@ -983,9 +1007,7 @@ int main(int argc, char **argv)
}
else
{
DBG(DBG_CONTROL,
DBG_log("building pkcs7 request")
)
DBG2(DBG_APP, "building pkcs7 request");
pkcs7 = scep_build_request(pkcs10_encoding,
transID, SCEP_PKCSReq_MSG,
x509_ca_enc, pkcs7_symmetric_cipher,
@@ -1052,7 +1074,7 @@ int main(int argc, char **argv)
{
identification_t *issuer = x509_ca_sig->get_subject(x509_ca_sig);
plog(" scep request pending, polling every %d seconds",
DBG1(DBG_APP, " scep request pending, polling every %d seconds",
poll_interval);
poll_start = time_monotonic(NULL);
issuerAndSubject = asn1_wrap(ASN1_SEQUENCE, "cc",
@@ -1067,16 +1089,14 @@ int main(int argc, char **argv)
exit_scepclient("maximum poll time reached: %d seconds"
, max_poll_time);
}
DBG(DBG_CONTROL,
DBG_log("going to sleep for %d seconds", poll_interval)
)
DBG2(DBG_APP, "going to sleep for %d seconds", poll_interval);
sleep(poll_interval);
free(scep_response.ptr);
DBG(DBG_CONTROL,
DBG_log("fingerprint: %.*s", (int)fingerprint.len, fingerprint.ptr);
DBG_log("transaction ID: %.*s", (int)transID.len, transID.ptr)
)
DBG2(DBG_APP, "fingerprint: %.*s",
(int)fingerprint.len, fingerprint.ptr);
DBG2(DBG_APP, "transaction ID: %.*s",
(int)transID.len, transID.ptr);
chunk_free(&getCertInitial);
getCertInitial = scep_build_request(issuerAndSubject,