X-Git-Url: http://git.annexia.org/?a=blobdiff_plain;f=daemon%2Fdaemon.h;h=27d86c9b46d818315abee47cf3abf95893904ef6;hb=e038597ebd1e43c83a8ddde21c4f1898eb7a9a98;hp=60e1982b86ad66c9a52c99722e92dc81b87ffdfd;hpb=8e570870f577ff0c3db074f88924633b559af5d4;p=libguestfs.git diff --git a/daemon/daemon.h b/daemon/daemon.h index 60e1982..27d86c9 100644 --- a/daemon/daemon.h +++ b/daemon/daemon.h @@ -20,20 +20,29 @@ #define GUESTFSD_DAEMON_H #include +#include +#include +#include +#include + #include #include +#include "../src/guestfs_protocol.h" + /* in guestfsd.c */ -extern void xwrite (int sock, const void *buf, size_t len); -extern void xread (int sock, void *buf, size_t len); +extern int xwrite (int sock, const void *buf, size_t len); +extern int xread (int sock, void *buf, size_t len); extern int add_string (char ***argv, int *size, int *alloc, const char *str); -extern int count_strings (char **argv); +extern int count_strings (char * const* const argv); extern void sort_strings (char **argv, int len); extern void free_strings (char **argv); extern void free_stringslen (char **argv, int len); extern int command (char **stdoutput, char **stderror, const char *name, ...); +extern int commandv (char **stdoutput, char **stderror, + char * const* const argv); /* in proto.c */ extern int proc_nr; @@ -44,6 +53,9 @@ extern int root_mounted; /* in stubs.c (auto-generated) */ extern void dispatch_incoming_message (XDR *); +extern guestfs_lvm_int_pv_list *parse_command_line_pvs (void); +extern guestfs_lvm_int_vg_list *parse_command_line_vgs (void); +extern guestfs_lvm_int_lv_list *parse_command_line_lvs (void); /* in proto.c */ extern void main_loop (int sock); @@ -68,13 +80,35 @@ extern void reply (xdrproc_t xdrp, char *ret); } \ } while (0) +#define IS_DEVICE(path,errcode) \ + do { \ + struct stat statbuf; \ + if (strncmp ((path), "/dev/", 5) != 0) { \ + reply_with_error ("%s: %s: expecting a device name", __func__, (path)); \ + return (errcode); \ + } \ + if (stat ((path), &statbuf) == -1) { \ + reply_with_perror ("%s: %s", __func__, (path)); \ + return (errcode); \ + } \ + } while (0) + /* NB: * (1) You must match CHROOT_IN and CHROOT_OUT even along error paths. * (2) You must not change directory! cwd must always be "/", otherwise * we can't escape our own chroot. * (3) All paths specified must be absolute. + * (4) CHROOT_OUT does not affect errno. */ #define CHROOT_IN chroot ("/sysroot"); -#define CHROOT_OUT chroot ("."); +#define CHROOT_OUT \ + do { int old_errno = errno; chroot ("."); errno = old_errno; } while (0) + +#define XXX_NOT_IMPL(errcode) \ + do { \ + reply_with_error ("%s: function not implemented", __func__); \ + return (errcode); \ + } \ + while (0) #endif /* GUESTFSD_DAEMON_H */