X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/b2eba8ab2268db36378e1c53d5ec6f7a0064b9e5..d92624dccee63e8bee8653e8ae845ffad3490b67:/sftp.c diff --git a/sftp.c b/sftp.c index 44913492..9c14e745 100644 --- a/sftp.c +++ b/sftp.c @@ -107,6 +107,31 @@ static void sftp_pkt_addstring(struct sftp_packet *pkt, char *data) sftp_pkt_addstring_start(pkt); sftp_pkt_addstring_str(pkt, data); } +static void sftp_pkt_addattrs(struct sftp_packet *pkt, struct fxp_attrs attrs) +{ + sftp_pkt_adduint32(pkt, attrs.flags); + if (attrs.flags & SSH_FILEXFER_ATTR_SIZE) { + sftp_pkt_adduint32(pkt, attrs.size.hi); + sftp_pkt_adduint32(pkt, attrs.size.lo); + } + if (attrs.flags & SSH_FILEXFER_ATTR_UIDGID) { + sftp_pkt_adduint32(pkt, attrs.uid); + sftp_pkt_adduint32(pkt, attrs.gid); + } + if (attrs.flags & SSH_FILEXFER_ATTR_PERMISSIONS) { + sftp_pkt_adduint32(pkt, attrs.permissions); + } + if (attrs.flags & SSH_FILEXFER_ATTR_ACMODTIME) { + sftp_pkt_adduint32(pkt, attrs.atime); + sftp_pkt_adduint32(pkt, attrs.mtime); + } + if (attrs.flags & SSH_FILEXFER_ATTR_EXTENDED) { + /* + * We currently don't support sending any extended + * attributes. + */ + } +} /* ---------------------------------------------------------------------- * SFTP packet decode functions. @@ -488,8 +513,7 @@ int fxp_mkdir(char *path) pktout = sftp_pkt_init(SSH_FXP_MKDIR); sftp_pkt_adduint32(pktout, 0x234); /* request id */ - sftp_pkt_addstring_start(pktout); - sftp_pkt_addstring_data(pktout, path, strlen(path)); + sftp_pkt_addstring(pktout, path); sftp_pkt_adduint32(pktout, 0); /* (FIXME) empty ATTRS structure */ sftp_send(pktout); pktin = sftp_recv(); @@ -512,8 +536,7 @@ int fxp_rmdir(char *path) pktout = sftp_pkt_init(SSH_FXP_RMDIR); sftp_pkt_adduint32(pktout, 0x345); /* request id */ - sftp_pkt_addstring_start(pktout); - sftp_pkt_addstring_data(pktout, path, strlen(path)); + sftp_pkt_addstring(pktout, path); sftp_send(pktout); pktin = sftp_recv(); id = sftp_pkt_getuint32(pktin); @@ -528,15 +551,118 @@ int fxp_rmdir(char *path) return 1; } -int fxp_rm(char *fname) +int fxp_remove(char *fname) { struct sftp_packet *pktin, *pktout; int id; pktout = sftp_pkt_init(SSH_FXP_REMOVE); sftp_pkt_adduint32(pktout, 0x678); /* request id */ + sftp_pkt_addstring(pktout, fname); + sftp_send(pktout); + pktin = sftp_recv(); + id = sftp_pkt_getuint32(pktin); + if (id != 0x678) { + fxp_internal_error("request ID mismatch\n"); + return 0; + } + id = fxp_got_status(pktin); + if (id != 1) { + return 0; + } + return 1; +} + +int fxp_rename(char *srcfname, char *dstfname) +{ + struct sftp_packet *pktin, *pktout; + int id; + + pktout = sftp_pkt_init(SSH_FXP_RENAME); + sftp_pkt_adduint32(pktout, 0x678); /* request id */ + sftp_pkt_addstring(pktout, srcfname); + sftp_pkt_addstring(pktout, dstfname); + sftp_send(pktout); + pktin = sftp_recv(); + id = sftp_pkt_getuint32(pktin); + if (id != 0x678) { + fxp_internal_error("request ID mismatch\n"); + return 0; + } + id = fxp_got_status(pktin); + if (id != 1) { + return 0; + } + return 1; +} + +/* + * Retrieve the attributes of a file. We have fxp_stat which works + * on filenames, and fxp_fstat which works on open file handles. + */ +int fxp_stat(char *fname, struct fxp_attrs *attrs) +{ + struct sftp_packet *pktin, *pktout; + int id; + + pktout = sftp_pkt_init(SSH_FXP_STAT); + sftp_pkt_adduint32(pktout, 0x678); /* request id */ + sftp_pkt_addstring(pktout, fname); + sftp_send(pktout); + pktin = sftp_recv(); + id = sftp_pkt_getuint32(pktin); + if (id != 0x678) { + fxp_internal_error("request ID mismatch\n"); + return 0; + } + + if (pktin->type == SSH_FXP_ATTRS) { + *attrs = sftp_pkt_getattrs(pktin); + return 1; + } else { + fxp_got_status(pktin); + return 0; + } +} + +int fxp_fstat(struct fxp_handle *handle, struct fxp_attrs *attrs) +{ + struct sftp_packet *pktin, *pktout; + int id; + + pktout = sftp_pkt_init(SSH_FXP_FSTAT); + sftp_pkt_adduint32(pktout, 0x678); /* request id */ sftp_pkt_addstring_start(pktout); - sftp_pkt_addstring_data(pktout, fname, strlen(fname)); + sftp_pkt_addstring_data(pktout, handle->hstring, handle->hlen); + sftp_send(pktout); + pktin = sftp_recv(); + id = sftp_pkt_getuint32(pktin); + if (id != 0x678) { + fxp_internal_error("request ID mismatch\n"); + return 0; + } + + if (pktin->type == SSH_FXP_ATTRS) { + *attrs = sftp_pkt_getattrs(pktin); + return 1; + } else { + fxp_got_status(pktin); + return 0; + } +} + +/* + * Set the attributes of a file. + */ +int fxp_setstat(char *fname, struct fxp_attrs attrs) +{ + struct sftp_packet *pktin, *pktout; + int id; + + pktout = sftp_pkt_init(SSH_FXP_SETSTAT); + sftp_pkt_adduint32(pktout, 0x678); /* request id */ + sftp_pkt_addstring(pktout, fname); + sftp_pkt_addattrs(pktout, attrs); sftp_send(pktout); pktin = sftp_recv(); id = sftp_pkt_getuint32(pktin);