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-rw-r--r--assuan/assuan-buffer.c60
1 files changed, 38 insertions, 22 deletions
diff --git a/assuan/assuan-buffer.c b/assuan/assuan-buffer.c
index 31f33945..b9e35721 100644
--- a/assuan/assuan-buffer.c
+++ b/assuan/assuan-buffer.c
@@ -14,9 +14,7 @@
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
- * USA.
+ * License along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include <config.h>
@@ -53,9 +51,10 @@ writen (assuan_context_t ctx, const char *buffer, size_t length)
return 0; /* okay */
}
-/* Read an entire line. Returns 0 on success or -1 and ERRNo on
+/* Read an entire line. Returns 0 on success or -1 and ERRNO on
failure. EOF is indictated by setting the integer at address
- R_EOF. */
+ R_EOF. Note: BUF, R_NREAD and R_EOF contain a valid result even if
+ an error is returned. */
static int
readline (assuan_context_t ctx, char *buf, size_t buflen,
int *r_nread, int *r_eof)
@@ -94,7 +93,7 @@ readline (assuan_context_t ctx, char *buf, size_t buflen,
}
-/* Function returns an Assuan error. */
+/* Function returns an Assuan error. */
assuan_error_t
_assuan_read_line (assuan_context_t ctx)
{
@@ -134,11 +133,23 @@ _assuan_read_line (assuan_context_t ctx)
&nread, &ctx->inbound.eof);
if (rc)
{
+ int saved_errno = errno;
+
if (ctx->log_fp)
- fprintf (ctx->log_fp, "%s[%u.%d] DBG: <- [Error: %s (%d)]\n",
- assuan_get_assuan_log_prefix (),
- (unsigned int)getpid (), ctx->inbound.fd,
- strerror (errno), errno);
+ fprintf (ctx->log_fp, "%s[%u.%d] DBG: <- [Error: %s]\n",
+ assuan_get_assuan_log_prefix (),
+ (unsigned int)getpid (), (int)ctx->inbound.fd,
+ strerror (errno));
+
+ if (saved_errno == EAGAIN)
+ {
+ /* We have to save a partial line. */
+ memcpy (ctx->inbound.attic.line, line, atticlen + nread);
+ ctx->inbound.attic.pending = 0;
+ ctx->inbound.attic.linelen = atticlen + nread;
+ }
+
+ errno = saved_errno;
return _assuan_error (ASSUAN_Read_Error);
}
if (!nread)
@@ -147,7 +158,7 @@ _assuan_read_line (assuan_context_t ctx)
if (ctx->log_fp)
fprintf (ctx->log_fp, "%s[%u.%d] DBG: <- [EOF]\n",
assuan_get_assuan_log_prefix (),
- (unsigned int)getpid (), ctx->inbound.fd);
+ (unsigned int)getpid (), (int)ctx->inbound.fd);
return _assuan_error (-1);
}
@@ -191,7 +202,7 @@ _assuan_read_line (assuan_context_t ctx)
{
fprintf (ctx->log_fp, "%s[%u.%d] DBG: <- ",
assuan_get_assuan_log_prefix (),
- (unsigned int)getpid (), ctx->inbound.fd);
+ (unsigned int)getpid (), (int)ctx->inbound.fd);
if (ctx->confidential)
fputs ("[Confidential data not shown]", ctx->log_fp);
else
@@ -207,7 +218,7 @@ _assuan_read_line (assuan_context_t ctx)
if (ctx->log_fp)
fprintf (ctx->log_fp, "%s[%u.%d] DBG: <- [Invalid line]\n",
assuan_get_assuan_log_prefix (),
- (unsigned int)getpid (), ctx->inbound.fd);
+ (unsigned int)getpid (), (int)ctx->inbound.fd);
*line = 0;
ctx->inbound.linelen = 0;
return _assuan_error (ctx->inbound.eof
@@ -234,7 +245,12 @@ assuan_read_line (assuan_context_t ctx, char **line, size_t *linelen)
if (!ctx)
return _assuan_error (ASSUAN_Invalid_Value);
- err = _assuan_read_line (ctx);
+ do
+ {
+ err = _assuan_read_line (ctx);
+ }
+ while (_assuan_error_is_eagain (err));
+
*line = ctx->inbound.line;
*linelen = ctx->inbound.linelen;
return err;
@@ -265,7 +281,7 @@ _assuan_write_line (assuan_context_t ctx, const char *prefix,
fprintf (ctx->log_fp, "%s[%u.%d] DBG: -> "
"[supplied line too long -truncated]\n",
assuan_get_assuan_log_prefix (),
- (unsigned int)getpid (), ctx->inbound.fd);
+ (unsigned int)getpid (), (int)ctx->inbound.fd);
if (prefixlen > 5)
prefixlen = 5;
if (len > ASSUAN_LINELENGTH - prefixlen - 2)
@@ -281,7 +297,7 @@ _assuan_write_line (assuan_context_t ctx, const char *prefix,
{
fprintf (ctx->log_fp, "%s[%u.%d] DBG: -> ",
assuan_get_assuan_log_prefix (),
- (unsigned int)getpid (), ctx->inbound.fd);
+ (unsigned int)getpid (), (int)ctx->inbound.fd);
if (ctx->confidential)
fputs ("[Confidential data not shown]", ctx->log_fp);
else
@@ -333,7 +349,7 @@ assuan_write_line (assuan_context_t ctx, const char *line)
fprintf (ctx->log_fp, "%s[%u.%d] DBG: -> "
"[supplied line contained a LF - truncated]\n",
assuan_get_assuan_log_prefix (),
- (unsigned int)getpid (), ctx->inbound.fd);
+ (unsigned int)getpid (), (int)ctx->inbound.fd);
return _assuan_write_line (ctx, NULL, line, len);
}
@@ -398,7 +414,7 @@ _assuan_cookie_write_data (void *cookie, const char *buffer, size_t orig_size)
{
fprintf (ctx->log_fp, "%s[%u.%d] DBG: -> ",
assuan_get_assuan_log_prefix (),
- (unsigned int)getpid (), ctx->inbound.fd);
+ (unsigned int)getpid (), (int)ctx->inbound.fd);
if (ctx->confidential)
fputs ("[Confidential data not shown]", ctx->log_fp);
@@ -454,7 +470,7 @@ _assuan_cookie_write_flush (void *cookie)
{
fprintf (ctx->log_fp, "%s[%u.%d] DBG: -> ",
assuan_get_assuan_log_prefix (),
- (unsigned int)getpid (), ctx->inbound.fd);
+ (unsigned int)getpid (), (int)ctx->inbound.fd);
if (ctx->confidential)
fputs ("[Confidential data not shown]", ctx->log_fp);
else
@@ -524,11 +540,11 @@ assuan_send_data (assuan_context_t ctx, const void *buffer, size_t length)
}
assuan_error_t
-assuan_sendfd (assuan_context_t ctx, int fd)
+assuan_sendfd (assuan_context_t ctx, assuan_fd_t fd)
{
/* It is explicitly allowed to use (NULL, -1) as a runtime test to
check whether descriptor passing is available. */
- if (!ctx && fd == -1)
+ if (!ctx && fd == ASSUAN_INVALID_FD)
#ifdef USE_DESCRIPTOR_PASSING
return 0;
#else
@@ -543,7 +559,7 @@ assuan_sendfd (assuan_context_t ctx, int fd)
}
assuan_error_t
-assuan_receivefd (assuan_context_t ctx, int *fd)
+assuan_receivefd (assuan_context_t ctx, assuan_fd_t *fd)
{
if (! ctx->io->receivefd)
return set_error (ctx, Not_Implemented,
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-28 17:06:30 +0000