-monkeysphere: main.c
- gcc -g -Wall --pedantic -o monkeysphere main.c `libgnutls-config --libs --cflags` -lgnutls-extra
+monkeysphere: main.c gnutls-helpers.o
+ gcc -g -Wall --pedantic -o monkeysphere main.c `libgnutls-config --libs --cflags` -lgnutls-extra gnutls-helpers.o
+
+%.o: %.c
+ gcc -g -Wall --pedantic -o $@ -c $<
clean:
- rm -f monkeysphere
+ rm -f monkeysphere *.o
.PHONY: clean
--- /dev/null
+/* Author: Daniel Kahn Gillmor <dkg@fifthhorseman.net> */
+/* Date: Fri, 04 Apr 2008 19:31:16 -0400 */
+/* License: GPL v3 or later */
+
+#include "gnutls-helpers.h"
+
+int loglevel = 0;
+
+
+void err(const char* fmt, ...) {
+ va_list ap;
+ va_start(ap, fmt);
+ vfprintf(stderr, fmt, ap);
+ va_end(ap);
+}
+
+void logfunc(int level, const char* string) {
+ fprintf(stderr, "GnuTLS Logging (%d): %s\n", level, string);
+}
+
+
+
+int init_gnutls() {
+ const char* version = NULL;
+ const char* debug_string = NULL;
+ int ret;
+
+ if (ret = gnutls_global_init(), ret) {
+ err("Failed to do gnutls_global_init() (error: %d)\n", ret);
+ return 1;
+ }
+
+ version = gnutls_check_version(NULL);
+
+ if (version)
+ err("gnutls version: %s\n", version);
+ else {
+ err("no version found!\n");
+ return 1;
+ }
+
+ if (debug_string = getenv("MONKEYSPHERE_DEBUG"), debug_string) {
+ loglevel = atoi(debug_string);
+ gnutls_global_set_log_function(logfunc);
+
+ gnutls_global_set_log_level(loglevel);
+ err("set log level to %d\n", loglevel);
+ }
+ return 0;
+}
+
+void init_datum(gnutls_datum_t* d) {
+ d->data = NULL;
+ d->size = 0;
+}
+void copy_datum(gnutls_datum_t* dest, const gnutls_datum_t* src) {
+ dest->data = gnutls_realloc(dest->data, src->size);
+ dest->size = src->size;
+ memcpy(dest->data, src->data, src->size);
+}
+int compare_data(const gnutls_datum_t* a, const gnutls_datum_t* b) {
+ if (a->size > b->size) {
+ err("a is larger\n");
+ return 1;
+ }
+ if (a->size < b->size) {
+ err("b is larger\n");
+ return -1;
+ }
+ return memcmp(a->data, b->data, a->size);
+}
+void free_datum(gnutls_datum_t* d) {
+ gnutls_free(d->data);
+ d->data = NULL;
+ d->size = 0;
+}
+
+/* read the passed-in string, store in a single datum */
+int set_datum_string(gnutls_datum_t* d, const char* s) {
+ unsigned int x = strlen(s)+1;
+ unsigned char* c = NULL;
+
+ c = gnutls_realloc(d->data, x);
+ if (NULL == c)
+ return -1;
+ d->data = c;
+ d->size = x;
+ memcpy(d->data, s, x);
+ return 0;
+}
+
+/* read the passed-in file descriptor until EOF, store in a single
+ datum */
+int set_datum_fd(gnutls_datum_t* d, int fd) {
+ unsigned int bufsize = 1024;
+ unsigned int len = 0;
+
+ FILE* f = fdopen(fd, "r");
+ if (bufsize > d->size) {
+ bufsize = 1024;
+ d->data = gnutls_realloc(d->data, bufsize);
+ if (d->data == NULL) {
+ err("out of memory!\n");
+ return -1;
+ }
+ d->size = bufsize;
+ } else {
+ bufsize = d->size;
+ }
+ f = fdopen(fd, "r");
+ if (NULL == f) {
+ err("could not fdopen FD %d\n", fd);
+ }
+ clearerr(f);
+ while (!feof(f) && !ferror(f)) {
+ if (len == bufsize) {
+ /* allocate more space by doubling: */
+ bufsize *= 2;
+ d->data = gnutls_realloc(d->data, bufsize);
+ if (d->data == NULL) {
+ err("out of memory!\n");
+ return -1;
+ };
+ d->size = bufsize;
+ }
+ len += fread(d->data + len, 1, bufsize - len, f);
+ /* err("read %d bytes\n", len); */
+ }
+ if (ferror(f)) {
+ err("Error reading from fd %d (error: %d) (error: %d '%s')\n", fd, ferror(f), errno, strerror(errno));
+ return -1;
+ }
+
+ /* touch up buffer size to match reality: */
+ d->data = gnutls_realloc(d->data, len);
+ d->size = len;
+ return 0;
+}
+
+/* read the file indicated (by na1me) in the fname parameter. store
+ its entire contents in a single datum. */
+int set_datum_file(gnutls_datum_t* d, const char* fname) {
+ struct stat sbuf;
+ unsigned char* c = NULL;
+ FILE* file = NULL;
+ size_t x = 0;
+
+ if (0 != stat(fname, &sbuf)) {
+ err("failed to stat '%s'\n", fname);
+ return -1;
+ }
+
+ c = gnutls_realloc(d->data, sbuf.st_size);
+ if (NULL == c) {
+ err("failed to allocate %d bytes for '%s'\n", sbuf.st_size, fname);
+ return -1;
+ }
+
+ d->data = c;
+ d->size = sbuf.st_size;
+ file = fopen(fname, "r");
+ if (NULL == file) {
+ err("failed to open '%s' for reading\n", fname);
+ return -1;
+ }
+
+ x = fread(d->data, d->size, 1, file);
+ if (x != 1) {
+ err("tried to read %d bytes, read %d instead from '%s'\n", d->size, x, fname);
+ fclose(file);
+ return -1;
+ }
+ fclose(file);
+ return 0;
+}
--- /dev/null
+/* Author: Daniel Kahn Gillmor <dkg@fifthhorseman.net> */
+/* Date: Fri, 04 Apr 2008 19:31:16 -0400 */
+/* License: GPL v3 or later */
+
+
+#include <gnutls/gnutls.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <stdarg.h>
+
+/* Functions to help dealing with GnuTLS for monkeysphere key
+ translation projects: */
+
+/* set everything up, including logging levels. Return 0 on
+ success */
+int init_gnutls();
+
+/* logging and output functions: */
+
+void err(const char* fmt, ...);
+void logfunc(int level, const char* string);
+
+/* basic datum manipulations: */
+
+void init_datum(gnutls_datum_t* d);
+void copy_datum(gnutls_datum_t* dest, const gnutls_datum_t* src);
+int compare_data(const gnutls_datum_t* a, const gnutls_datum_t* b);
+void free_datum(gnutls_datum_t* d);
+
+/* functions to get data into datum objects: */
+
+/* read the passed-in string, store in a single datum */
+int set_datum_string(gnutls_datum_t* d, const char* s);
+
+/* read the passed-in file descriptor until EOF, store in a single
+ datum */
+int set_datum_fd(gnutls_datum_t* d, int fd);
+
+/* read the file indicated (by na1me) in the fname parameter. store
+ its entire contents in a single datum. */
+int set_datum_file(gnutls_datum_t* d, const char* fname);
-#include <gnutls/gnutls.h>
+#include "gnutls-helpers.h"
+
#include <gnutls/openpgp.h>
#include <gnutls/x509.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <errno.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <stdarg.h>
/*
Author: Daniel Kahn Gillmor <dkg@fifthhorseman.net>
*/
-int loglevel = 0;
-
-
-void err(const char* fmt, ...) {
- va_list ap;
- va_start(ap, fmt);
- vfprintf(stderr, fmt, ap);
- va_end(ap);
-}
-
-void logfunc(int level, const char* string) {
- fprintf(stderr, "GnuTLS Logging (%d): %s\n", level, string);
-}
-
-void init_datum(gnutls_datum_t* d) {
- d->data = NULL;
- d->size = 0;
-}
-void copy_datum(gnutls_datum_t* dest, const gnutls_datum_t* src) {
- dest->data = gnutls_realloc(dest->data, src->size);
- dest->size = src->size;
- memcpy(dest->data, src->data, src->size);
-}
-int compare_data(const gnutls_datum_t* a, const gnutls_datum_t* b) {
- if (a->size > b->size) {
- err("a is larger\n");
- return 1;
- }
- if (a->size < b->size) {
- err("b is larger\n");
- return -1;
- }
- return memcmp(a->data, b->data, a->size);
-}
-void free_datum(gnutls_datum_t* d) {
- gnutls_free(d->data);
- d->data = NULL;
- d->size = 0;
-}
-
-/* read the passed-in string, store in a single datum */
-int set_datum_string(gnutls_datum_t* d, const char* s) {
- unsigned int x = strlen(s)+1;
- unsigned char* c = NULL;
-
- c = gnutls_realloc(d->data, x);
- if (NULL == c)
- return -1;
- d->data = c;
- d->size = x;
- memcpy(d->data, s, x);
- return 0;
-}
-
-/* read the passed-in file descriptor until EOF, store in a single
- datum */
-int set_datum_fd(gnutls_datum_t* d, int fd) {
- unsigned int bufsize = 1024;
- unsigned int len = 0;
-
- FILE* f = fdopen(fd, "r");
- if (bufsize > d->size) {
- bufsize = 1024;
- d->data = gnutls_realloc(d->data, bufsize);
- if (d->data == NULL) {
- err("out of memory!\n");
- return -1;
- }
- d->size = bufsize;
- } else {
- bufsize = d->size;
- }
- f = fdopen(fd, "r");
- if (NULL == f) {
- err("could not fdopen FD %d\n", fd);
- }
- clearerr(f);
- while (!feof(f) && !ferror(f)) {
- if (len == bufsize) {
- /* allocate more space by doubling: */
- bufsize *= 2;
- d->data = gnutls_realloc(d->data, bufsize);
- if (d->data == NULL) {
- err("out of memory!\n");
- return -1;
- };
- d->size = bufsize;
- }
- len += fread(d->data + len, 1, bufsize - len, f);
- /* err("read %d bytes\n", len); */
- }
- if (ferror(f)) {
- err("Error reading from fd %d (error: %d) (error: %d '%s')\n", fd, ferror(f), errno, strerror(errno));
- return -1;
- }
-
- /* touch up buffer size to match reality: */
- d->data = gnutls_realloc(d->data, len);
- d->size = len;
- return 0;
-}
-
-/* read the file indicated (by na1me) in the fname parameter. store
- its entire contents in a single datum. */
-int set_datum_file(gnutls_datum_t* d, const char* fname) {
- struct stat sbuf;
- unsigned char* c = NULL;
- FILE* file = NULL;
- size_t x = 0;
-
- if (0 != stat(fname, &sbuf)) {
- err("failed to stat '%s'\n", fname);
- return -1;
- }
-
- c = gnutls_realloc(d->data, sbuf.st_size);
- if (NULL == c) {
- err("failed to allocate %d bytes for '%s'\n", sbuf.st_size, fname);
- return -1;
- }
-
- d->data = c;
- d->size = sbuf.st_size;
- file = fopen(fname, "r");
- if (NULL == file) {
- err("failed to open '%s' for reading\n", fname);
- return -1;
- }
-
- x = fread(d->data, d->size, 1, file);
- if (x != 1) {
- err("tried to read %d bytes, read %d instead from '%s'\n", d->size, x, fname);
- fclose(file);
- return -1;
- }
- fclose(file);
- return 0;
-}
-
int main(int argc, char* argv[]) {
- const char* version = NULL;
- const char* debug_string = NULL;
-
gnutls_x509_privkey_t x509_privkey;
gnutls_datum_t data, test, clean;
int ret;
char output_data[10240];
size_t ods = sizeof(output_data);
+
+ init_gnutls();
init_datum(&data);
init_datum(&test);
init_datum(&y);
init_datum(&x);
- if (ret = gnutls_global_init(), ret) {
- err("Failed to do gnutls_global_init() (error: %d)\n", ret);
- return 1;
- }
-
-
-
- version = gnutls_check_version(NULL);
-
- if (version)
- err("gnutls version: %s\n", version);
- else {
- err("no version found!\n");
- return 1;
- }
-
- if (debug_string = getenv("MONKEYSPHERE_DEBUG"), debug_string) {
- loglevel = atoi(debug_string);
- gnutls_global_set_log_function(logfunc);
-
- gnutls_global_set_log_level(loglevel);
- err("set log level to %d\n", loglevel);
- }
if (ret = gnutls_x509_privkey_init(&x509_privkey), ret) {
err("Failed to initialize X.509 private key (error: %d)\n", ret);
return 1;
}
- /* const gnutls_datum_t * m, const gnutls_datum_t * e, const gnutls_datum_t * d, const gnutls_datum_t * p, const gnutls_datum_t * q, const gnutls_datum_t * u); */
-
ret = gnutls_x509_privkey_fix(x509_privkey);
if (ret != 0) {
err("failed to fix up the private key in X.509 format (error: %d)\n", ret);