#include <stdio.h>
#include <string.h>
-#include <stdarg.h>
#include <stdlib.h>
-#include <errno.h>
+#include <glib.h>
#include <gnome-keyring.h>
+#ifdef GNOME_KEYRING_DEFAULT
+
+ /* Modern gnome-keyring */
+
+#include <gnome-keyring-memory.h>
+
+#else
+
+ /*
+ * Support ancient gnome-keyring, circ. RHEL 5.X.
+ * GNOME_KEYRING_DEFAULT seems to have been introduced with Gnome 2.22,
+ * and the other features roughly around Gnome 2.20, 6 months before.
+ * Ubuntu 8.04 used Gnome 2.22 (I think). Not sure any distro used 2.20.
+ * So the existence/non-existence of GNOME_KEYRING_DEFAULT seems like
+ * a decent thing to use as an indicator.
+ */
+
+#define GNOME_KEYRING_DEFAULT NULL
+
+/*
+ * ancient gnome-keyring returns DENIED when an entry is not found.
+ * Setting NO_MATCH to DENIED will prevent us from reporting DENIED
+ * errors during get and erase operations, but we will still report
+ * DENIED errors during a store.
+ */
+#define GNOME_KEYRING_RESULT_NO_MATCH GNOME_KEYRING_RESULT_DENIED
+
+#define gnome_keyring_memory_alloc g_malloc
+#define gnome_keyring_memory_free gnome_keyring_free_password
+#define gnome_keyring_memory_strdup g_strdup
+
+static const char* gnome_keyring_result_to_message(GnomeKeyringResult result)
+{
+ switch (result) {
+ case GNOME_KEYRING_RESULT_OK:
+ return "OK";
+ case GNOME_KEYRING_RESULT_DENIED:
+ return "Denied";
+ case GNOME_KEYRING_RESULT_NO_KEYRING_DAEMON:
+ return "No Keyring Daemon";
+ case GNOME_KEYRING_RESULT_ALREADY_UNLOCKED:
+ return "Already UnLocked";
+ case GNOME_KEYRING_RESULT_NO_SUCH_KEYRING:
+ return "No Such Keyring";
+ case GNOME_KEYRING_RESULT_BAD_ARGUMENTS:
+ return "Bad Arguments";
+ case GNOME_KEYRING_RESULT_IO_ERROR:
+ return "IO Error";
+ case GNOME_KEYRING_RESULT_CANCELLED:
+ return "Cancelled";
+ case GNOME_KEYRING_RESULT_ALREADY_EXISTS:
+ return "Already Exists";
+ default:
+ return "Unknown Error";
+ }
+}
+
+/*
+ * Support really ancient gnome-keyring, circ. RHEL 4.X.
+ * Just a guess for the Glib version. Glib 2.8 was roughly Gnome 2.12 ?
+ * Which was released with gnome-keyring 0.4.3 ??
+ */
+#if GLIB_MAJOR_VERSION == 2 && GLIB_MINOR_VERSION < 8
+
+static void gnome_keyring_done_cb(GnomeKeyringResult result, gpointer user_data)
+{
+ gpointer *data = (gpointer*) user_data;
+ int *done = (int*) data[0];
+ GnomeKeyringResult *r = (GnomeKeyringResult*) data[1];
+
+ *r = result;
+ *done = 1;
+}
+
+static void wait_for_request_completion(int *done)
+{
+ GMainContext *mc = g_main_context_default();
+ while (!*done)
+ g_main_context_iteration(mc, TRUE);
+}
+
+static GnomeKeyringResult gnome_keyring_item_delete_sync(const char *keyring, guint32 id)
+{
+ int done = 0;
+ GnomeKeyringResult result;
+ gpointer data[] = { &done, &result };
+
+ gnome_keyring_item_delete(keyring, id, gnome_keyring_done_cb, data,
+ NULL);
+
+ wait_for_request_completion(&done);
+
+ return result;
+}
+
+#endif
+#endif
+
/*
* This credential struct and API is simplified from git's credential.{h,c}
*/
#define CREDENTIAL_OP_END \
{ NULL,NULL }
-/* ---------------- common helper functions ----------------- */
-
-static inline void free_password(char *password)
-{
- char *c = password;
- if (!password)
- return;
-
- while (*c) *c++ = '\0';
- free(password);
-}
-
-static inline void warning(const char *fmt, ...)
-{
- va_list ap;
-
- va_start(ap, fmt);
- fprintf(stderr, "warning: ");
- vfprintf(stderr, fmt, ap);
- fprintf(stderr, "\n" );
- va_end(ap);
-}
-
-static inline void error(const char *fmt, ...)
-{
- va_list ap;
-
- va_start(ap, fmt);
- fprintf(stderr, "error: ");
- vfprintf(stderr, fmt, ap);
- fprintf(stderr, "\n" );
- va_end(ap);
-}
-
-static inline void die_errno(int err)
-{
- error("%s", strerror(err));
- exit(EXIT_FAILURE);
-}
-
-static inline char *xstrdup(const char *str)
-{
- char *ret = strdup(str);
- if (!ret)
- die_errno(errno);
-
- return ret;
-}
-
/* ----------------- GNOME Keyring functions ----------------- */
/* create a special keyring option string, if path is given */
static char* keyring_object(struct credential *c)
{
- char* object = NULL;
-
if (!c->path)
- return object;
-
- object = (char*) malloc(strlen(c->host)+strlen(c->path)+8);
- if (!object)
- die_errno(errno);
+ return NULL;
if (c->port)
- sprintf(object,"%s:%hd/%s",c->host,c->port,c->path);
- else
- sprintf(object,"%s/%s",c->host,c->path);
+ return g_strdup_printf("%s:%hd/%s", c->host, c->port, c->path);
- return object;
+ return g_strdup_printf("%s/%s", c->host, c->path);
}
static int keyring_get(struct credential *c)
c->port,
&entries);
- free(object);
+ g_free(object);
if (result == GNOME_KEYRING_RESULT_NO_MATCH)
return EXIT_SUCCESS;
return EXIT_SUCCESS;
if (result != GNOME_KEYRING_RESULT_OK) {
- error("%s",gnome_keyring_result_to_message(result));
+ g_critical("%s", gnome_keyring_result_to_message(result));
return EXIT_FAILURE;
}
/* pick the first one from the list */
password_data = (GnomeKeyringNetworkPasswordData *) entries->data;
- free_password(c->password);
- c->password = xstrdup(password_data->password);
+ gnome_keyring_memory_free(c->password);
+ c->password = gnome_keyring_memory_strdup(password_data->password);
if (!c->username)
- c->username = xstrdup(password_data->user);
+ c->username = g_strdup(password_data->user);
gnome_keyring_network_password_list_free(entries);
{
guint32 item_id;
char *object = NULL;
+ GnomeKeyringResult result;
/*
* Sanity check that what we are storing is actually sensible.
object = keyring_object(c);
- gnome_keyring_set_network_password_sync(
+ result = gnome_keyring_set_network_password_sync(
GNOME_KEYRING_DEFAULT,
c->username,
NULL /* domain */,
c->password,
&item_id);
- free(object);
+ g_free(object);
+
+ if (result != GNOME_KEYRING_RESULT_OK &&
+ result != GNOME_KEYRING_RESULT_CANCELLED) {
+ g_critical("%s", gnome_keyring_result_to_message(result));
+ return EXIT_FAILURE;
+ }
+
return EXIT_SUCCESS;
}
c->port,
&entries);
- free(object);
+ g_free(object);
if (result == GNOME_KEYRING_RESULT_NO_MATCH)
return EXIT_SUCCESS;
if (result != GNOME_KEYRING_RESULT_OK)
{
- error("%s",gnome_keyring_result_to_message(result));
+ g_critical("%s", gnome_keyring_result_to_message(result));
return EXIT_FAILURE;
}
if (result != GNOME_KEYRING_RESULT_OK)
{
- error("%s",gnome_keyring_result_to_message(result));
+ g_critical("%s", gnome_keyring_result_to_message(result));
return EXIT_FAILURE;
}
static void credential_clear(struct credential *c)
{
- free(c->protocol);
- free(c->host);
- free(c->path);
- free(c->username);
- free_password(c->password);
+ g_free(c->protocol);
+ g_free(c->host);
+ g_free(c->path);
+ g_free(c->username);
+ gnome_keyring_memory_free(c->password);
credential_init(c);
}
static int credential_read(struct credential *c)
{
- char buf[1024];
+ char *buf;
size_t line_len;
- char *key = buf;
+ char *key;
char *value;
- while (fgets(buf, sizeof(buf), stdin))
+ key = buf = gnome_keyring_memory_alloc(1024);
+
+ while (fgets(buf, 1024, stdin))
{
line_len = strlen(buf);
- if (buf[line_len-1]=='\n')
+ if (line_len && buf[line_len-1] == '\n')
buf[--line_len]='\0';
if (!line_len)
value = strchr(buf,'=');
if (!value) {
- warning("invalid credential line: %s", key);
+ g_warning("invalid credential line: %s", key);
+ gnome_keyring_memory_free(buf);
return -1;
}
*value++ = '\0';
if (!strcmp(key, "protocol")) {
- free(c->protocol);
- c->protocol = xstrdup(value);
+ g_free(c->protocol);
+ c->protocol = g_strdup(value);
} else if (!strcmp(key, "host")) {
- free(c->host);
- c->host = xstrdup(value);
+ g_free(c->host);
+ c->host = g_strdup(value);
value = strrchr(c->host,':');
if (value) {
*value++ = '\0';
c->port = atoi(value);
}
} else if (!strcmp(key, "path")) {
- free(c->path);
- c->path = xstrdup(value);
+ g_free(c->path);
+ c->path = g_strdup(value);
} else if (!strcmp(key, "username")) {
- free(c->username);
- c->username = xstrdup(value);
+ g_free(c->username);
+ c->username = g_strdup(value);
} else if (!strcmp(key, "password")) {
- free_password(c->password);
- c->password = xstrdup(value);
+ gnome_keyring_memory_free(c->password);
+ c->password = gnome_keyring_memory_strdup(value);
while (*value) *value++ = '\0';
}
/*
* learn new lines, and the helpers are updated to match.
*/
}
+
+ gnome_keyring_memory_free(buf);
+
return 0;
}
exit(EXIT_FAILURE);
}
+ g_set_application_name("Git Credential Helper");
+
/* lookup operation callback */
while (try_op->name && strcmp(argv[1], try_op->name))
try_op++;