diff options
Diffstat (limited to 'c/src/exec/libnetworking/lib/tftpDriver.c')
| -rw-r--r-- | c/src/exec/libnetworking/lib/tftpDriver.c | 143 |
1 files changed, 109 insertions, 34 deletions
diff --git a/c/src/exec/libnetworking/lib/tftpDriver.c b/c/src/exec/libnetworking/lib/tftpDriver.c index e7f99998e1..e9564110f5 100644 --- a/c/src/exec/libnetworking/lib/tftpDriver.c +++ b/c/src/exec/libnetworking/lib/tftpDriver.c @@ -13,6 +13,7 @@ */ #include <stdio.h> +#include <stdlib.h> #include <errno.h> #include <malloc.h> #include <string.h> @@ -25,6 +26,12 @@ #include <netinet/in.h> #include <arpa/inet.h> +#ifndef set_errno_and_return_minus_one +#define set_errno_and_return_minus_one( _error ) \ + do { errno = (_error); return -1; } while(0) +#endif + + /* * Range of UDP ports to try */ @@ -136,6 +143,50 @@ static rtems_id tftp_mutex; static int nStreams; static struct tftpStream ** volatile tftpStreams; +typedef struct { + rtems_id tftp_mutex; + int nStreams; + struct tftpStream ** volatile tftpStreams; + rtems_filesystem_mount_table_entry_t *mt_entry; +} tftp_fs_info; + +int rtems_tftp_mount_me( + rtems_filesystem_mount_table_entry_t *temp_mt_entry +) +{ + tftp_fs_info *fs_info; + rtems_status_code sc; + + /* + * Allocate stuff for this file system. + */ + + fs_info = calloc( 1, sizeof( tftp_fs_info )); + if ( !fs_info ) + set_errno_and_return_minus_one( ENOMEM ); + + temp_mt_entry->fs_info = fs_info; + temp_mt_entry->mt_fs_root.node_access = fs_info; + + + sc = rtems_semaphore_create ( + rtems_build_name('T', 'F', 'T', 'P'), + 1, + RTEMS_FIFO | + RTEMS_BINARY_SEMAPHORE | + RTEMS_NO_INHERIT_PRIORITY | + RTEMS_NO_PRIORITY_CEILING | + RTEMS_LOCAL, + 0, + &fs_info->tftp_mutex + ); + + if (sc != RTEMS_SUCCESSFUL) + set_errno_and_return_minus_one( ENOMEM ); /* ??? */ + + return 0; +} + /* * Initialize the TFTP driver */ @@ -147,19 +198,7 @@ rtems_device_driver rtems_tftp_initialize( void *pargp ) { - rtems_status_code sc; - sc = rtems_semaphore_create (rtems_build_name('T', 'F', 'T', 'P'), - 1, - RTEMS_FIFO | - RTEMS_BINARY_SEMAPHORE | - RTEMS_NO_INHERIT_PRIORITY | - RTEMS_NO_PRIORITY_CEILING | - RTEMS_LOCAL, - 0, - &tftp_mutex); - if (sc != RTEMS_SUCCESSFUL) - return sc; /* XXX change to a mount */ rtems_io_register_name (TFTP_PATHNAME_PREFIX, major, minor); return RTEMS_SUCCESSFUL; @@ -293,39 +332,44 @@ releaseStream (int s) rtems_semaphore_release (tftp_mutex); } +int rtems_tftp_evaluate_for_make( + const char *path, /* IN */ + rtems_filesystem_location_info_t *pathloc, /* IN/OUT */ + const char **name /* OUT */ +) +{ + set_errno_and_return_minus_one( EIO ); +} /* - * Open a TFTP stream + * XXX - Fix return values. */ -rtems_device_driver rtems_tftp_open( - rtems_device_major_number major, - rtems_device_minor_number minor, - void *pargp + +int TFTP_eval_path( + const char *pathname, /* IN */ + int flags, /* IN */ + rtems_filesystem_location_info_t *pathloc /* IN/OUT */ ) { - rtems_libio_open_close_args_t *ap = pargp; - struct tftpStream *tp; - int retryCount; rtems_unsigned32 farAddress; - int s; int len; - char *cp1, *cp2; - char *remoteFilename; - rtems_interval now; - rtems_status_code sc; + const char *remoteFilename; -/* XXX change to eval_path/open */ - /* - * Read-only for now - */ - if (ap->flags & LIBIO_FLAGS_WRITE) - return RTEMS_NOT_IMPLEMENTED; + tftp_fs_info *fs_info; + const char *cp1, *cp2; + + fs_info = pathloc->node_access; /* * Pick apart the name into a host:pathname pair */ - if (strlen (ap->iop->pathname) <= strlen (TFTP_PATHNAME_PREFIX)) - return RTEMS_INVALID_NAME; - cp2 = ap->iop->pathname + strlen (TFTP_PATHNAME_PREFIX); + /* + * XXX - I think this is handled by the caller of + * the evaluate routine. ? Am I starting at the right + * place? + */ + + cp2 = pathname+1; + if (*cp2 == '/') { farAddress = rtems_bsdnet_bootp_server_address.s_addr; } @@ -355,6 +399,37 @@ rtems_device_driver rtems_tftp_open( if (strlen (remoteFilename) > (TFTP_BUFSIZE - 10)) return RTEMS_INVALID_NAME; + return 0; +} + +/* + * Open a TFTP stream + */ +rtems_device_driver rtems_tftp_open( + rtems_device_major_number major, + rtems_device_minor_number minor, + void *pargp +) +{ + rtems_libio_open_close_args_t *ap = pargp; + struct tftpStream *tp; + int retryCount; + rtems_unsigned32 farAddress = 0; /* XXX - node parameter */ + int s; + int len; + char *cp1, *cp2; + char *remoteFilename = NULL; /* XXX - node parameter */ + rtems_interval now; + rtems_status_code sc; + + /* + * Read-only for now + */ + /* XXX - Move to the open routine */ + if (ap->flags & LIBIO_FLAGS_WRITE) + return RTEMS_NOT_IMPLEMENTED; + + /* * Find a free stream */ |