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-rw-r--r--gpgme/rungpg.c1080
1 files changed, 607 insertions, 473 deletions
diff --git a/gpgme/rungpg.c b/gpgme/rungpg.c
index 1d6aa2b1..318e99d8 100644
--- a/gpgme/rungpg.c
+++ b/gpgme/rungpg.c
@@ -54,113 +54,166 @@ struct arg_and_data_s {
char arg[1]; /* .. this is used */
};
-struct fd_data_map_s {
- GpgmeData data;
- int inbound; /* true if this is used for reading from gpg */
- int dup_to;
- int fd; /* the fd to use */
- int peer_fd; /* the outher side of the pipe */
+struct fd_data_map_s
+{
+ GpgmeData data;
+ int inbound; /* true if this is used for reading from gpg */
+ int dup_to;
+ int fd; /* the fd to use */
+ int peer_fd; /* the outher side of the pipe */
+ void *tag;
};
-struct gpg_object_s {
- struct arg_and_data_s *arglist;
- struct arg_and_data_s **argtail;
- int arg_error;
-
- struct {
- int fd[2];
- size_t bufsize;
- char *buffer;
- size_t readpos;
- int eof;
- GpgStatusHandler fnc;
- void *fnc_value;
- } status;
-
- /* This is a kludge - see the comment at gpg_colon_line_handler */
- struct {
- int fd[2];
- size_t bufsize;
- char *buffer;
- size_t readpos;
- int eof;
- GpgColonLineHandler fnc; /* this indicate use of this structrue */
- void *fnc_value;
- int simple;
- } colon;
-
- char **argv;
- struct fd_data_map_s *fd_data_map;
-
- int pid; /* we can't use pid_t because we don't use it in Windoze */
-
- int running;
-
- /* stuff needed for pipemode */
- struct {
- int used;
- int active;
- GpgmeData sig;
- GpgmeData text;
- int stream_started;
- } pm;
-
- /* stuff needed for interactive (command) mode */
- struct {
- int used;
- int fd;
- GpgmeData cb_data; /* hack to get init the above fd later */
- GpgStatusCode code; /* last code */
- char *keyword; /* what has been requested (malloced) */
- GpgCommandHandler fnc;
- void *fnc_value;
- } cmd;
+struct gpg_object_s
+{
+ struct arg_and_data_s *arglist;
+ struct arg_and_data_s **argtail;
+ int arg_error;
+
+ struct
+ {
+ int fd[2];
+ size_t bufsize;
+ char *buffer;
+ size_t readpos;
+ int eof;
+ GpgStatusHandler fnc;
+ void *fnc_value;
+ void *tag;
+ } status;
+
+ /* This is a kludge - see the comment at gpg_colon_line_handler */
+ struct
+ {
+ int fd[2];
+ size_t bufsize;
+ char *buffer;
+ size_t readpos;
+ int eof;
+ GpgColonLineHandler fnc; /* this indicate use of this structrue */
+ void *fnc_value;
+ void *tag;
+ int simple;
+ } colon;
+
+ char **argv;
+ struct fd_data_map_s *fd_data_map;
+
+ int pid; /* we can't use pid_t because we don't use it in Windoze */
+
+ /* stuff needed for pipemode */
+ struct
+ {
+ int used;
+ int active;
+ GpgmeData sig;
+ GpgmeData text;
+ int stream_started;
+ } pm;
+
+ /* stuff needed for interactive (command) mode */
+ struct
+ {
+ int used;
+ int fd;
+ int idx; /* Index in fd_data_map */
+ GpgmeData cb_data; /* hack to get init the above idx later */
+ GpgStatusCode code; /* last code */
+ char *keyword; /* what has been requested (malloced) */
+ GpgCommandHandler fnc;
+ void *fnc_value;
+ } cmd;
+
+ struct GpgmeIOCbs io_cbs;
};
-static void free_argv ( char **argv );
-static void free_fd_data_map ( struct fd_data_map_s *fd_data_map );
-
-static int gpg_status_handler ( void *opaque, int pid, int fd );
-static GpgmeError read_status ( GpgObject gpg );
+static void free_argv (char **argv);
+static void free_fd_data_map (struct fd_data_map_s *fd_data_map);
-static int gpg_colon_line_handler ( void *opaque, int pid, int fd );
-static GpgmeError read_colon_line ( GpgObject gpg );
+static void gpg_status_handler (void *opaque, int fd);
+static GpgmeError read_status (GpgObject gpg);
-static int pipemode_cb ( void *opaque,
- char *buffer, size_t length, size_t *nread );
-static int command_cb ( void *opaque,
- char *buffer, size_t length, size_t *nread );
+static void gpg_colon_line_handler (void *opaque, int fd);
+static GpgmeError read_colon_line (GpgObject gpg);
+static int pipemode_cb (void *opaque, char *buffer, size_t length,
+ size_t *nread);
+static int command_cb (void *opaque, char *buffer, size_t length,
+ size_t *nread);
static void
-close_notify_handler ( int fd, void *opaque )
+close_notify_handler (int fd, void *opaque)
{
- GpgObject gpg = opaque;
+ GpgObject gpg = opaque;
+ int possibly_done = 0;
+ int not_done = 0;
+ assert (fd != -1);
- assert (fd != -1);
- if (gpg->status.fd[0] == fd )
- gpg->status.fd[0] = -1;
- else if (gpg->status.fd[1] == fd )
- gpg->status.fd[1] = -1;
- else if (gpg->colon.fd[0] == fd )
- gpg->colon.fd[0] = -1;
- else if (gpg->colon.fd[1] == fd )
- gpg->colon.fd[1] = -1;
- else if (gpg->fd_data_map) {
- int i;
-
- for (i=0; gpg->fd_data_map[i].data; i++ ) {
- if ( gpg->fd_data_map[i].fd == fd ) {
- gpg->fd_data_map[i].fd = -1;
- break;
+ if (gpg->status.fd[0] == fd)
+ {
+ if (gpg->status.tag)
+ {
+ (*gpg->io_cbs.remove) (gpg->status.tag);
+ possibly_done = 1;
+ }
+ gpg->status.fd[0] = -1;
+ }
+ else if (gpg->status.fd[1] == fd)
+ gpg->status.fd[1] = -1;
+ else if (gpg->colon.fd[0] == fd)
+ {
+ if (gpg->colon.tag)
+ {
+ (*gpg->io_cbs.remove) (gpg->colon.tag);
+ possibly_done = 1;
+ }
+ gpg->colon.fd[0] = -1;
+ }
+ else if (gpg->colon.fd[1] == fd)
+ gpg->colon.fd[1] = -1;
+ else if (gpg->fd_data_map)
+ {
+ int i;
+
+ for (i = 0; gpg->fd_data_map[i].data; i++)
+ {
+ if (gpg->fd_data_map[i].fd == fd)
+ {
+ if (gpg->fd_data_map[i].tag)
+ {
+ (*gpg->io_cbs.remove) (gpg->fd_data_map[i].tag);
+ possibly_done = 1;
+ }
+ gpg->fd_data_map[i].fd = -1;
+ break;
}
- if ( gpg->fd_data_map[i].peer_fd == fd ) {
- gpg->fd_data_map[i].peer_fd = -1;
- break;
+ if (gpg->fd_data_map[i].peer_fd == fd)
+ {
+ gpg->fd_data_map[i].peer_fd = -1;
+ break;
}
}
}
+ if (!possibly_done)
+ not_done = 1;
+ else if (gpg->status.fd[0] != -1)
+ not_done = 1;
+ else if (gpg->colon.fd[0] != -1)
+ not_done = 1;
+ else if (gpg->fd_data_map)
+ {
+ int i;
+
+ for (i = 0; gpg->fd_data_map[i].data; i++)
+ if (gpg->fd_data_map[i].fd != -1)
+ {
+ not_done = 1;
+ break;
+ }
+ }
+ if (!not_done && gpg->io_cbs.event)
+ (*gpg->io_cbs.event) (gpg->io_cbs.event_priv, GPGME_EVENT_DONE, NULL);
}
const char *
@@ -185,65 +238,70 @@ _gpgme_gpg_check_version (void)
}
GpgmeError
-_gpgme_gpg_new ( GpgObject *r_gpg )
+_gpgme_gpg_new (GpgObject *r_gpg)
{
- GpgObject gpg;
- int rc = 0;
-
- gpg = xtrycalloc ( 1, sizeof *gpg );
- if ( !gpg ) {
- rc = mk_error (Out_Of_Core);
- goto leave;
- }
- gpg->argtail = &gpg->arglist;
+ GpgObject gpg;
+ int rc = 0;
- gpg->status.fd[0] = -1;
- gpg->status.fd[1] = -1;
- gpg->colon.fd[0] = -1;
- gpg->colon.fd[1] = -1;
- gpg->cmd.fd = -1;
-
- gpg->pid = -1;
-
- /* allocate the read buffer for the status pipe */
- gpg->status.bufsize = 1024;
- gpg->status.readpos = 0;
- gpg->status.buffer = xtrymalloc (gpg->status.bufsize);
- if (!gpg->status.buffer) {
- rc = mk_error (Out_Of_Core);
- goto leave;
+ gpg = xtrycalloc (1, sizeof *gpg);
+ if (!gpg)
+ {
+ rc = mk_error (Out_Of_Core);
+ goto leave;
}
- /* In any case we need a status pipe - create it right here and
- * don't handle it with our generic GpgmeData mechanism */
- if (_gpgme_io_pipe (gpg->status.fd, 1) == -1) {
- rc = mk_error (Pipe_Error);
- goto leave;
+ gpg->argtail = &gpg->arglist;
+
+ gpg->status.fd[0] = -1;
+ gpg->status.fd[1] = -1;
+ gpg->colon.fd[0] = -1;
+ gpg->colon.fd[1] = -1;
+ gpg->cmd.fd = -1;
+ gpg->cmd.idx = -1;
+
+ gpg->pid = -1;
+
+ /* Allocate the read buffer for the status pipe. */
+ gpg->status.bufsize = 1024;
+ gpg->status.readpos = 0;
+ gpg->status.buffer = xtrymalloc (gpg->status.bufsize);
+ if (!gpg->status.buffer)
+ {
+ rc = mk_error (Out_Of_Core);
+ goto leave;
}
- if ( _gpgme_io_set_close_notify (gpg->status.fd[0],
- close_notify_handler, gpg)
- || _gpgme_io_set_close_notify (gpg->status.fd[1],
- close_notify_handler, gpg) ) {
- rc = mk_error (General_Error);
- goto leave;
+ /* In any case we need a status pipe - create it right here and
+ don't handle it with our generic GpgmeData mechanism. */
+ if (_gpgme_io_pipe (gpg->status.fd, 1) == -1)
+ {
+ rc = mk_error (Pipe_Error);
+ goto leave;
}
- gpg->status.eof = 0;
- _gpgme_gpg_add_arg ( gpg, "--status-fd" );
+ if (_gpgme_io_set_close_notify (gpg->status.fd[0],
+ close_notify_handler, gpg)
+ || _gpgme_io_set_close_notify (gpg->status.fd[1],
+ close_notify_handler, gpg))
{
- char buf[25];
- sprintf ( buf, "%d", gpg->status.fd[1]);
- _gpgme_gpg_add_arg ( gpg, buf );
+ rc = mk_error (General_Error);
+ goto leave;
}
- _gpgme_gpg_add_arg ( gpg, "--no-tty" );
-
+ gpg->status.eof = 0;
+ _gpgme_gpg_add_arg (gpg, "--status-fd");
+ {
+ char buf[25];
+ sprintf (buf, "%d", gpg->status.fd[1]);
+ _gpgme_gpg_add_arg (gpg, buf);
+ }
+ _gpgme_gpg_add_arg (gpg, "--no-tty");
leave:
- if (rc) {
- _gpgme_gpg_release (gpg);
- *r_gpg = NULL;
+ if (rc)
+ {
+ _gpgme_gpg_release (gpg);
+ *r_gpg = NULL;
}
- else
- *r_gpg = gpg;
- return rc;
+ else
+ *r_gpg = gpg;
+ return rc;
}
@@ -268,8 +326,6 @@ _gpgme_gpg_release (GpgObject gpg)
gpgme_data_release (gpg->cmd.cb_data);
xfree (gpg->cmd.keyword);
- if (gpg->pid != -1)
- _gpgme_remove_proc_from_wait_queue (gpg->pid);
if (gpg->status.fd[0] != -1)
_gpgme_io_close (gpg->status.fd[0]);
if (gpg->status.fd[1] != -1)
@@ -279,7 +335,9 @@ _gpgme_gpg_release (GpgObject gpg)
if (gpg->colon.fd[1] != -1)
_gpgme_io_close (gpg->colon.fd[1]);
free_fd_data_map (gpg->fd_data_map);
- if (gpg->running)
+ if (gpg->cmd.fd != -1)
+ _gpgme_io_close (gpg->cmd.fd);
+ if (gpg->pid != -1)
_gpgme_engine_add_child_to_reap_list (gpg, sizeof *gpg, gpg->pid);
else
xfree (gpg);
@@ -512,341 +570,387 @@ free_fd_data_map ( struct fd_data_map_s *fd_data_map )
static GpgmeError
-build_argv ( GpgObject gpg )
+build_argv (GpgObject gpg)
{
- struct arg_and_data_s *a;
- struct fd_data_map_s *fd_data_map;
- size_t datac=0, argc=0;
- char **argv;
- int need_special = 0;
- int use_agent = !!getenv ("GPG_AGENT_INFO");
+ struct arg_and_data_s *a;
+ struct fd_data_map_s *fd_data_map;
+ size_t datac=0, argc=0;
+ char **argv;
+ int need_special = 0;
+ int use_agent = !!getenv ("GPG_AGENT_INFO");
- if ( gpg->argv ) {
- free_argv ( gpg->argv );
- gpg->argv = NULL;
+ if (gpg->argv)
+ {
+ free_argv (gpg->argv);
+ gpg->argv = NULL;
}
- if (gpg->fd_data_map) {
- free_fd_data_map (gpg->fd_data_map);
- gpg->fd_data_map = NULL;
+ if (gpg->fd_data_map)
+ {
+ free_fd_data_map (gpg->fd_data_map);
+ gpg->fd_data_map = NULL;
}
- argc++; /* for argv[0] */
- for ( a=gpg->arglist; a; a = a->next ) {
- argc++;
- if (a->data) {
- /*fprintf (stderr, "build_argv: data\n" );*/
- datac++;
- if ( a->dup_to == -1 && !a->print_fd )
- need_special = 1;
+ argc++; /* For argv[0]. */
+ for (a = gpg->arglist; a; a = a->next)
+ {
+ argc++;
+ if (a->data)
+ {
+ /*fprintf (stderr, "build_argv: data\n" );*/
+ datac++;
+ if (a->dup_to == -1 && !a->print_fd)
+ need_special = 1;
}
- else {
- /* fprintf (stderr, "build_argv: arg=`%s'\n", a->arg );*/
+ else
+ {
+ /* fprintf (stderr, "build_argv: arg=`%s'\n", a->arg );*/
}
}
- if ( need_special )
- argc++;
- if (use_agent)
- argc++;
- if (!gpg->cmd.used)
- argc++;
- argc += 2; /* --comment */
-
- argv = xtrycalloc ( argc+1, sizeof *argv );
- if (!argv)
- return mk_error (Out_Of_Core);
- fd_data_map = xtrycalloc ( datac+1, sizeof *fd_data_map );
- if (!fd_data_map) {
- free_argv (argv);
- return mk_error (Out_Of_Core);
+ if (need_special)
+ argc++;
+ if (use_agent)
+ argc++;
+ if (!gpg->cmd.used)
+ argc++;
+ argc += 2; /* --comment */
+
+ argv = xtrycalloc (argc + 1, sizeof *argv);
+ if (!argv)
+ return mk_error (Out_Of_Core);
+ fd_data_map = xtrycalloc (datac + 1, sizeof *fd_data_map);
+ if (!fd_data_map)
+ {
+ free_argv (argv);
+ return mk_error (Out_Of_Core);
}
- argc = datac = 0;
- argv[argc] = xtrystrdup ( "gpg" ); /* argv[0] */
- if (!argv[argc]) {
- xfree (fd_data_map);
- free_argv (argv);
- return mk_error (Out_Of_Core);
+ argc = datac = 0;
+ argv[argc] = xtrystrdup ("gpg"); /* argv[0] */
+ if (!argv[argc])
+ {
+ xfree (fd_data_map);
+ free_argv (argv);
+ return mk_error (Out_Of_Core);
}
- argc++;
- if ( need_special ) {
- argv[argc] = xtrystrdup ( "--enable-special-filenames" );
- if (!argv[argc]) {
- xfree (fd_data_map);
- free_argv (argv);
- return mk_error (Out_Of_Core);
+ argc++;
+ if (need_special)
+ {
+ argv[argc] = xtrystrdup ("--enable-special-filenames");
+ if (!argv[argc])
+ {
+ xfree (fd_data_map);
+ free_argv (argv);
+ return mk_error (Out_Of_Core);
}
- argc++;
+ argc++;
}
- if ( use_agent ) {
- argv[argc] = xtrystrdup ( "--use-agent" );
- if (!argv[argc]) {
- xfree (fd_data_map);
- free_argv (argv);
- return mk_error (Out_Of_Core);
+ if (use_agent)
+ {
+ argv[argc] = xtrystrdup ("--use-agent");
+ if (!argv[argc])
+ {
+ xfree (fd_data_map);
+ free_argv (argv);
+ return mk_error (Out_Of_Core);
}
- argc++;
+ argc++;
}
- if ( !gpg->cmd.used ) {
- argv[argc] = xtrystrdup ( "--batch" );
- if (!argv[argc]) {
- xfree (fd_data_map);
- free_argv (argv);
- return mk_error (Out_Of_Core);
+ if (!gpg->cmd.used)
+ {
+ argv[argc] = xtrystrdup ("--batch");
+ if (!argv[argc])
+ {
+ xfree (fd_data_map);
+ free_argv (argv);
+ return mk_error (Out_Of_Core);
}
- argc++;
+ argc++;
}
- argv[argc] = xtrystrdup ( "--comment" );
- if (!argv[argc]) {
- xfree (fd_data_map);
- free_argv (argv);
- return mk_error (Out_Of_Core);
+ argv[argc] = xtrystrdup ("--comment");
+ if (!argv[argc])
+ {
+ xfree (fd_data_map);
+ free_argv (argv);
+ return mk_error (Out_Of_Core);
}
- argc++;
- argv[argc] = xtrystrdup ( "" );
- if (!argv[argc]) {
- xfree (fd_data_map);
- free_argv (argv);
- return mk_error (Out_Of_Core);
+ argc++;
+ argv[argc] = xtrystrdup ("");
+ if (!argv[argc])
+ {
+ xfree (fd_data_map);
+ free_argv (argv);
+ return mk_error (Out_Of_Core);
}
- argc++;
- for ( a=gpg->arglist; a; a = a->next ) {
- if ( a->data ) {
- switch ( _gpgme_data_get_mode (a->data) ) {
- case GPGME_DATA_MODE_NONE:
- case GPGME_DATA_MODE_INOUT:
- xfree (fd_data_map);
- free_argv (argv);
- return mk_error (Invalid_Mode);
- case GPGME_DATA_MODE_IN:
- /* create a pipe to read from gpg */
- fd_data_map[datac].inbound = 1;
- break;
- case GPGME_DATA_MODE_OUT:
- /* create a pipe to pass it down to gpg */
- fd_data_map[datac].inbound = 0;
- break;
+ argc++;
+ for (a = gpg->arglist; a; a = a->next)
+ {
+ if (a->data)
+ {
+ switch (_gpgme_data_get_mode (a->data))
+ {
+ case GPGME_DATA_MODE_NONE:
+ case GPGME_DATA_MODE_INOUT:
+ xfree (fd_data_map);
+ free_argv (argv);
+ return mk_error (Invalid_Mode);
+ case GPGME_DATA_MODE_IN:
+ /* Create a pipe to read from gpg. */
+ fd_data_map[datac].inbound = 1;
+ break;
+ case GPGME_DATA_MODE_OUT:
+ /* Create a pipe to pass it down to gpg. */
+ fd_data_map[datac].inbound = 0;
+ break;
}
- switch ( gpgme_data_get_type (a->data) ) {
- case GPGME_DATA_TYPE_NONE:
- if ( fd_data_map[datac].inbound )
- break; /* allowed */
- xfree (fd_data_map);
- free_argv (argv);
- return mk_error (Invalid_Type);
- case GPGME_DATA_TYPE_MEM:
- case GPGME_DATA_TYPE_CB:
- break;
- case GPGME_DATA_TYPE_FD:
- case GPGME_DATA_TYPE_FILE:
- xfree (fd_data_map);
- free_argv (argv);
- return mk_error (Not_Implemented);
+ switch (gpgme_data_get_type (a->data))
+ {
+ case GPGME_DATA_TYPE_NONE:
+ if (fd_data_map[datac].inbound)
+ break; /* Allowed. */
+ xfree (fd_data_map);
+ free_argv (argv);
+ return mk_error (Invalid_Type);
+ case GPGME_DATA_TYPE_MEM:
+ case GPGME_DATA_TYPE_CB:
+ break;
+ case GPGME_DATA_TYPE_FD:
+ case GPGME_DATA_TYPE_FILE:
+ xfree (fd_data_map);
+ free_argv (argv);
+ return mk_error (Not_Implemented);
}
- /* create a pipe */
- {
- int fds[2];
-
- if (_gpgme_io_pipe (fds, fd_data_map[datac].inbound?1:0 )
- == -1) {
- xfree (fd_data_map);
- free_argv (argv);
- return mk_error (Pipe_Error);
- }
- if ( _gpgme_io_set_close_notify (fds[0],
- close_notify_handler, gpg)
- || _gpgme_io_set_close_notify (fds[1],
- close_notify_handler,
- gpg)) {
- return mk_error (General_Error);
- }
- /* if the data_type is FD, we have to do a dup2 here */
- if (fd_data_map[datac].inbound) {
- fd_data_map[datac].fd = fds[0];
- fd_data_map[datac].peer_fd = fds[1];
- }
- else {
- fd_data_map[datac].fd = fds[1];
- fd_data_map[datac].peer_fd = fds[0];
- }
- }
-
- /* Hack to get hands on the fd later */
- if ( gpg->cmd.used && gpg->cmd.cb_data == a->data ) {
- assert (gpg->cmd.fd == -1);
- gpg->cmd.fd = fd_data_map[datac].fd;
- }
+ /* Create a pipe. */
+ {
+ int fds[2];
+
+ if (_gpgme_io_pipe (fds, fd_data_map[datac].inbound ? 1 : 0)
+ == -1)
+ {
+ xfree (fd_data_map);
+ free_argv (argv);
+ return mk_error (Pipe_Error);
+ }
+ if (_gpgme_io_set_close_notify (fds[0],
+ close_notify_handler, gpg)
+ || _gpgme_io_set_close_notify (fds[1],
+ close_notify_handler,
+ gpg))
+ {
+ return mk_error (General_Error);
+ }
+ /* If the data_type is FD, we have to do a dup2 here. */
+ if (fd_data_map[datac].inbound)
+ {
+ fd_data_map[datac].fd = fds[0];
+ fd_data_map[datac].peer_fd = fds[1];
+ }
+ else
+ {
+ fd_data_map[datac].fd = fds[1];
+ fd_data_map[datac].peer_fd = fds[0];
+ }
+ }
+
+ /* Hack to get hands on the fd later. */
+ if (gpg->cmd.used && gpg->cmd.cb_data == a->data)
+ {
+ assert (gpg->cmd.idx == -1);
+ gpg->cmd.idx = datac;
+ }
- fd_data_map[datac].data = a->data;
- fd_data_map[datac].dup_to = a->dup_to;
- if ( a->dup_to == -1 ) {
- argv[argc] = xtrymalloc ( 25 );
- if (!argv[argc]) {
- xfree (fd_data_map);
- free_argv (argv);
- return mk_error (Out_Of_Core);
+ fd_data_map[datac].data = a->data;
+ fd_data_map[datac].dup_to = a->dup_to;
+ if (a->dup_to == -1)
+ {
+ argv[argc] = xtrymalloc (25);
+ if (!argv[argc])
+ {
+ xfree (fd_data_map);
+ free_argv (argv);
+ return mk_error (Out_Of_Core);
}
- sprintf ( argv[argc],
- a->print_fd? "%d" : "-&%d",
- fd_data_map[datac].peer_fd );
- argc++;
+ sprintf (argv[argc],
+ a->print_fd ? "%d" : "-&%d",
+ fd_data_map[datac].peer_fd);
+ argc++;
}
- datac++;
+ datac++;
}
- else {
- argv[argc] = xtrystrdup ( a->arg );
- if (!argv[argc]) {
- xfree (fd_data_map);
- free_argv (argv);
- return mk_error (Out_Of_Core);
+ else
+ {
+ argv[argc] = xtrystrdup (a->arg);
+ if (!argv[argc])
+ {
+ xfree (fd_data_map);
+ free_argv (argv);
+ return mk_error (Out_Of_Core);
}
argc++;
}
}
- gpg->argv = argv;
- gpg->fd_data_map = fd_data_map;
- return 0;
+ gpg->argv = argv;
+ gpg->fd_data_map = fd_data_map;
+ return 0;
+}
+
+static GpgmeError
+_gpgme_gpg_add_io_cb (GpgObject gpg, int fd, int dir,
+ GpgmeIOCb handler, void *data, void **tag)
+{
+ GpgmeError err = 0;
+
+ *tag = (*gpg->io_cbs.add) (gpg->io_cbs.add_priv, fd, dir, handler, data);
+ if (!tag)
+ err = mk_error (General_Error);
+ if (!err && !dir)
+ /* FIXME Kludge around poll() problem. */
+ err = _gpgme_io_set_nonblocking (fd);
+ return err;
}
GpgmeError
-_gpgme_gpg_spawn( GpgObject gpg, void *opaque )
+_gpgme_gpg_spawn (GpgObject gpg, void *opaque)
{
- int rc;
- int i, n;
- int pid;
- struct spawn_fd_item_s *fd_child_list, *fd_parent_list;
+ GpgmeError rc;
+ int i, n;
+ int pid;
+ struct spawn_fd_item_s *fd_child_list, *fd_parent_list;
- if (!gpg)
- return mk_error (Invalid_Value);
+ if (!gpg)
+ return mk_error (Invalid_Value);
- if (! _gpgme_get_gpg_path ())
- return mk_error (Invalid_Engine);
+ if (! _gpgme_get_gpg_path ())
+ return mk_error (Invalid_Engine);
- /* Kludge, so that we don't need to check the return code of
- * all the gpgme_gpg_add_arg(). we bail out here instead */
- if ( gpg->arg_error )
- return mk_error (Out_Of_Core);
+ /* Kludge, so that we don't need to check the return code of all the
+ gpgme_gpg_add_arg(). we bail out here instead */
+ if (gpg->arg_error)
+ return mk_error (Out_Of_Core);
- if (gpg->pm.active)
- return 0;
+ if (gpg->pm.active)
+ return 0;
- rc = build_argv ( gpg );
- if ( rc )
- return rc;
+ rc = build_argv (gpg);
+ if (rc)
+ return rc;
- n = 3; /* status_fd, colon_fd and end of list */
- for (i=0; gpg->fd_data_map[i].data; i++ )
- n++;
- fd_child_list = xtrycalloc ( n+n, sizeof *fd_child_list );
- if (!fd_child_list)
- return mk_error (Out_Of_Core);
- fd_parent_list = fd_child_list + n;
-
- /* build the fd list for the child */
- n=0;
- if ( gpg->colon.fnc ) {
- fd_child_list[n].fd = gpg->colon.fd[1];
- fd_child_list[n].dup_to = 1; /* dup to stdout */
- n++;
+ n = 3; /* status_fd, colon_fd and end of list */
+ for (i = 0; gpg->fd_data_map[i].data; i++)
+ n++;
+ fd_child_list = xtrycalloc (n + n, sizeof *fd_child_list);
+ if (!fd_child_list)
+ return mk_error (Out_Of_Core);
+ fd_parent_list = fd_child_list + n;
+
+ /* build the fd list for the child */
+ n = 0;
+ if (gpg->colon.fnc)
+ {
+ fd_child_list[n].fd = gpg->colon.fd[1];
+ fd_child_list[n].dup_to = 1; /* dup to stdout */
+ n++;
}
- for (i=0; gpg->fd_data_map[i].data; i++ ) {
- if (gpg->fd_data_map[i].dup_to != -1) {
- fd_child_list[n].fd = gpg->fd_data_map[i].peer_fd;
- fd_child_list[n].dup_to = gpg->fd_data_map[i].dup_to;
- n++;
+ for (i = 0; gpg->fd_data_map[i].data; i++)
+ {
+ if (gpg->fd_data_map[i].dup_to != -1)
+ {
+ fd_child_list[n].fd = gpg->fd_data_map[i].peer_fd;
+ fd_child_list[n].dup_to = gpg->fd_data_map[i].dup_to;
+ n++;
}
}
- fd_child_list[n].fd = -1;
- fd_child_list[n].dup_to = -1;
-
- /* build the fd list for the parent */
- n=0;
- if ( gpg->status.fd[1] != -1 ) {
- fd_parent_list[n].fd = gpg->status.fd[1];
- fd_parent_list[n].dup_to = -1;
- n++;
- gpg->status.fd[1] = -1;
+ fd_child_list[n].fd = -1;
+ fd_child_list[n].dup_to = -1;
+
+ /* Build the fd list for the parent. */
+ n = 0;
+ if (gpg->status.fd[1] != -1)
+ {
+ fd_parent_list[n].fd = gpg->status.fd[1];
+ fd_parent_list[n].dup_to = -1;
+ n++;
+ gpg->status.fd[1] = -1;
}
- if ( gpg->colon.fd[1] != -1 ) {
- fd_parent_list[n].fd = gpg->colon.fd[1];
- fd_parent_list[n].dup_to = -1;
- n++;
- gpg->colon.fd[1] = -1;
+ if (gpg->colon.fd[1] != -1)
+ {
+ fd_parent_list[n].fd = gpg->colon.fd[1];
+ fd_parent_list[n].dup_to = -1;
+ n++;
+ gpg->colon.fd[1] = -1;
}
- for (i=0; gpg->fd_data_map[i].data; i++ ) {
- fd_parent_list[n].fd = gpg->fd_data_map[i].peer_fd;
- fd_parent_list[n].dup_to = -1;
- n++;
- gpg->fd_data_map[i].peer_fd = -1;
+ for (i = 0; gpg->fd_data_map[i].data; i++)
+ {
+ fd_parent_list[n].fd = gpg->fd_data_map[i].peer_fd;
+ fd_parent_list[n].dup_to = -1;
+ n++;
+ gpg->fd_data_map[i].peer_fd = -1;
}
- fd_parent_list[n].fd = -1;
- fd_parent_list[n].dup_to = -1;
-
+ fd_parent_list[n].fd = -1;
+ fd_parent_list[n].dup_to = -1;
- pid = _gpgme_io_spawn (_gpgme_get_gpg_path (),
- gpg->argv, fd_child_list, fd_parent_list);
- xfree (fd_child_list);
- if (pid == -1) {
- return mk_error (Exec_Error);
- }
+ pid = _gpgme_io_spawn (_gpgme_get_gpg_path (),
+ gpg->argv, fd_child_list, fd_parent_list);
+ xfree (fd_child_list);
+ if (pid == -1)
+ return mk_error (Exec_Error);
- gpg->pid = pid;
- if (gpg->pm.used)
- gpg->pm.active = 1;
+ gpg->pid = pid;
+ if (gpg->pm.used)
+ gpg->pm.active = 1;
- /*_gpgme_register_term_handler ( closure, closure_value, pid );*/
-
- if ( _gpgme_register_pipe_handler ( opaque, gpg_status_handler,
- gpg, pid, gpg->status.fd[0], 1 ) ) {
- /* FIXME: kill the child */
- return mk_error (General_Error);
+ /*_gpgme_register_term_handler ( closure, closure_value, pid );*/
- }
+ rc = _gpgme_gpg_add_io_cb (gpg, gpg->status.fd[0], 1,
+ gpg_status_handler, gpg, &gpg->status.tag);
+ if (rc)
+ /* FIXME: kill the child */
+ return rc;
- if ( gpg->colon.fnc ) {
- assert ( gpg->colon.fd[0] != -1 );
- if ( _gpgme_register_pipe_handler ( opaque, gpg_colon_line_handler,
- gpg, pid, gpg->colon.fd[0], 1 ) ) {
- /* FIXME: kill the child */
- return mk_error (General_Error);
-
- }
+ if (gpg->colon.fnc)
+ {
+ assert (gpg->colon.fd[0] != -1);
+ rc = _gpgme_gpg_add_io_cb (gpg, gpg->colon.fd[0], 1,
+ gpg_colon_line_handler, gpg,
+ &gpg->colon.tag);
+ if (rc)
+ /* FIXME: kill the child */
+ return rc;
}
- for (i=0; gpg->fd_data_map[i].data; i++ ) {
- /* Due to problems with select and write we set outbound pipes
- * to non-blocking */
- if (!gpg->fd_data_map[i].inbound) {
- _gpgme_io_set_nonblocking (gpg->fd_data_map[i].fd);
- }
-
- if ( _gpgme_register_pipe_handler (
- opaque,
- gpg->fd_data_map[i].inbound?
- _gpgme_data_inbound_handler:_gpgme_data_outbound_handler,
- gpg->fd_data_map[i].data,
- pid, gpg->fd_data_map[i].fd,
- gpg->fd_data_map[i].inbound )
- ) {
- /* FIXME: kill the child */
- return mk_error (General_Error);
- }
+ for (i = 0; gpg->fd_data_map[i].data; i++)
+ {
+ if (gpg->cmd.used && i == gpg->cmd.idx)
+ {
+ /* Park the cmd fd. */
+ gpg->cmd.fd = gpg->fd_data_map[i].fd;
+ gpg->fd_data_map[i].fd = -1;
+ }
+ else
+ {
+ rc = _gpgme_gpg_add_io_cb (gpg, gpg->fd_data_map[i].fd,
+ gpg->fd_data_map[i].inbound,
+ gpg->fd_data_map[i].inbound
+ ? _gpgme_data_inbound_handler
+ : _gpgme_data_outbound_handler,
+ gpg->fd_data_map[i].data,
+ &gpg->fd_data_map[i].tag);
+
+ if (rc)
+ /* FIXME: kill the child */
+ return rc;
+ }
}
-
- if ( gpg->cmd.used )
- _gpgme_freeze_fd ( gpg->cmd.fd );
-
- /* fixme: check what data we can release here */
-
- gpg->running = 1;
- return 0;
+
+ /* fixme: check what data we can release here */
+ return 0;
}
-static int
-gpg_status_handler (void *opaque, int pid, int fd)
+static void
+gpg_status_handler (void *opaque, int fd)
{
GpgObject gpg = opaque;
int err;
@@ -860,9 +964,11 @@ gpg_status_handler (void *opaque, int pid, int fd)
GpgmeCtx ctx = (GpgmeCtx) gpg->status.fnc_value;
ctx->error = err;
DEBUG1 ("gpg_handler: read_status problem %d\n - stop", err);
- return 1;
+ _gpgme_io_close (fd);
+ return;
}
- return gpg->status.eof;
+ if (gpg->status.eof)
+ _gpgme_io_close (fd);
}
@@ -951,7 +1057,14 @@ read_status ( GpgObject gpg )
* handler does its action */
if ( nread > 1 )
DEBUG0 ("ERROR, unexpected data in read_status");
- _gpgme_thaw_fd (gpg->cmd.fd);
+
+ _gpgme_gpg_add_io_cb
+ (gpg, gpg->cmd.fd,
+ 0, _gpgme_data_outbound_handler,
+ gpg->fd_data_map[gpg->cmd.idx].data,
+ &gpg->fd_data_map[gpg->cmd.idx].tag);
+ gpg->fd_data_map[gpg->cmd.idx].fd = gpg->cmd.fd;
+ gpg->cmd.fd = -1;
}
else if ( gpg->status.fnc ) {
gpg->status.fnc ( gpg->status.fnc_value,
@@ -959,8 +1072,13 @@ read_status ( GpgObject gpg )
}
if ( r->code == STATUS_END_STREAM ) {
- if ( gpg->cmd.used )
- _gpgme_freeze_fd ( gpg->cmd.fd );
+ if (gpg->cmd.used)
+ {
+ (*gpg->io_cbs.remove)
+ (gpg->fd_data_map[gpg->cmd.idx].tag);
+ gpg->cmd.fd = gpg->fd_data_map[gpg->cmd.idx].fd;
+ gpg->fd_data_map[gpg->cmd.idx].fd = -1;
+ }
}
}
}
@@ -995,21 +1113,23 @@ read_status ( GpgObject gpg )
* a wrapper for a callback. Same goes for the status thing.
* For now we use this thing here becuase it is easier to implement.
*/
-static int
-gpg_colon_line_handler ( void *opaque, int pid, int fd )
+static void
+gpg_colon_line_handler (void *opaque, int fd)
{
- GpgObject gpg = opaque;
- GpgmeError rc = 0;
-
- assert ( fd == gpg->colon.fd[0] );
- rc = read_colon_line ( gpg );
- if ( rc ) {
- DEBUG1 ("gpg_colon_line_handler: "
- "read problem %d\n - stop", rc);
- return 1;
- }
+ GpgObject gpg = opaque;
+ GpgmeError rc = 0;
- return gpg->colon.eof;
+ assert (fd == gpg->colon.fd[0]);
+ rc = read_colon_line (gpg);
+ if (rc)
+ {
+ DEBUG1 ("gpg_colon_line_handler: "
+ "read problem %d\n - stop", rc);
+ _gpgme_io_close (fd);
+ return;
+ }
+ if (gpg->colon.eof)
+ _gpgme_io_close (fd);
}
static GpgmeError
@@ -1167,52 +1287,59 @@ pipemode_cb ( void *opaque, char *buffer, size_t length, size_t *nread )
*/
static int
-command_cb ( void *opaque, char *buffer, size_t length, size_t *nread )
+command_cb (void *opaque, char *buffer, size_t length, size_t *nread)
{
- GpgObject gpg = opaque;
- const char *value;
- int value_len;
-
- DEBUG0 ("command_cb: enter\n");
- assert (gpg->cmd.used);
- if ( !buffer || !length || !nread )
- return 0; /* those values are reserved for extensions */
- *nread =0;
- if ( !gpg->cmd.code ) {
- DEBUG0 ("command_cb: no code\n");
- return -1;
+ GpgObject gpg = opaque;
+ const char *value;
+ int value_len;
+
+ DEBUG0 ("command_cb: enter\n");
+ assert (gpg->cmd.used);
+ if (!buffer || !length || !nread)
+ return 0; /* These values are reserved for extensions. */
+ *nread = 0;
+ if (!gpg->cmd.code)
+ {
+ DEBUG0 ("command_cb: no code\n");
+ return -1;
}
- if ( !gpg->cmd.fnc ) {
- DEBUG0 ("command_cb: no user cb\n");
- return -1;
+ if (!gpg->cmd.fnc)
+ {
+ DEBUG0 ("command_cb: no user cb\n");
+ return -1;
}
- value = gpg->cmd.fnc ( gpg->cmd.fnc_value,
- gpg->cmd.code, gpg->cmd.keyword );
- if ( !value ) {
- DEBUG0 ("command_cb: no data from user cb\n");
- gpg->cmd.fnc ( gpg->cmd.fnc_value, 0, value);
- return -1;
+ value = gpg->cmd.fnc (gpg->cmd.fnc_value,
+ gpg->cmd.code, gpg->cmd.keyword);
+ if (!value)
+ {
+ DEBUG0 ("command_cb: no data from user cb\n");
+ gpg->cmd.fnc (gpg->cmd.fnc_value, 0, value);
+ return -1;
}
- value_len = strlen (value);
- if ( value_len+1 > length ) {
- DEBUG0 ("command_cb: too much data from user cb\n");
- gpg->cmd.fnc ( gpg->cmd.fnc_value, 0, value);
- return -1;
+ value_len = strlen (value);
+ if (value_len + 1 > length)
+ {
+ DEBUG0 ("command_cb: too much data from user cb\n");
+ gpg->cmd.fnc (gpg->cmd.fnc_value, 0, value);
+ return -1;
}
- memcpy ( buffer, value, value_len );
- if ( !value_len || (value_len && value[value_len-1] != '\n') )
- buffer[value_len++] = '\n';
- *nread = value_len;
+ memcpy (buffer, value, value_len);
+ if (!value_len || (value_len && value[value_len-1] != '\n'))
+ buffer[value_len++] = '\n';
+ *nread = value_len;
- gpg->cmd.fnc ( gpg->cmd.fnc_value, 0, value);
- gpg->cmd.code = 0;
- /* and sleep again until read_status will wake us up again */
- _gpgme_freeze_fd ( gpg->cmd.fd );
- return 0;
+ gpg->cmd.fnc (gpg->cmd.fnc_value, 0, value);
+ gpg->cmd.code = 0;
+ /* And sleep again until read_status will wake us up again. */
+ (*gpg->io_cbs.remove) (gpg->fd_data_map[gpg->cmd.idx].tag);
+ gpg->cmd.fd = gpg->fd_data_map[gpg->cmd.idx].fd;
+ gpg->fd_data_map[gpg->cmd.idx].fd = -1;
+
+ return 0;
}
GpgmeError
@@ -1603,3 +1730,10 @@ _gpgme_gpg_op_verify (GpgObject gpg, GpgmeData sig, GpgmeData text)
}
return err;
}
+
+
+void
+_gpgme_gpg_set_io_cbs (GpgObject gpg, struct GpgmeIOCbs *io_cbs)
+{
+ gpg->io_cbs = *io_cbs;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-12 06:00:02 +0000