diff options
Diffstat (limited to 'unix/uxsftp.c')
| -rw-r--r-- | unix/uxsftp.c | 578 |
1 files changed, 0 insertions, 578 deletions
diff --git a/unix/uxsftp.c b/unix/uxsftp.c deleted file mode 100644 index 89a81c92..00000000 --- a/unix/uxsftp.c +++ /dev/null @@ -1,578 +0,0 @@ -/* - * uxsftp.c: the Unix-specific parts of PSFTP and PSCP. - */ - -#include <sys/time.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <stdlib.h> -#include <fcntl.h> -#include <dirent.h> -#include <unistd.h> -#include <utime.h> -#include <errno.h> -#include <assert.h> - -#include "putty.h" -#include "ssh.h" -#include "psftp.h" - -#if HAVE_GLOB_H -#include <glob.h> -#endif - -char *x_get_default(const char *key) -{ - return NULL; /* this is a stub */ -} - -void platform_get_x11_auth(struct X11Display *display, Conf *conf) -{ - /* Do nothing, therefore no auth. */ -} -const bool platform_uses_x11_unix_by_default = true; - -/* - * Default settings that are specific to PSFTP. - */ -char *platform_default_s(const char *name) -{ - return NULL; -} - -bool platform_default_b(const char *name, bool def) -{ - return def; -} - -int platform_default_i(const char *name, int def) -{ - return def; -} - -FontSpec *platform_default_fontspec(const char *name) -{ - return fontspec_new(""); -} - -Filename *platform_default_filename(const char *name) -{ - if (!strcmp(name, "LogFileName")) - return filename_from_str("putty.log"); - else - return filename_from_str(""); -} - -int filexfer_get_userpass_input(Seat *seat, prompts_t *p, bufchain *input) -{ - int ret; - ret = cmdline_get_passwd_input(p); - if (ret == -1) - ret = console_get_userpass_input(p); - return ret; -} - -/* - * Set local current directory. Returns NULL on success, or else an - * error message which must be freed after printing. - */ -char *psftp_lcd(char *dir) -{ - if (chdir(dir) < 0) - return dupprintf("%s: chdir: %s", dir, strerror(errno)); - else - return NULL; -} - -/* - * Get local current directory. Returns a string which must be - * freed. - */ -char *psftp_getcwd(void) -{ - char *buffer, *ret; - size_t size = 256; - - buffer = snewn(size, char); - while (1) { - ret = getcwd(buffer, size); - if (ret != NULL) - return ret; - if (errno != ERANGE) { - sfree(buffer); - return dupprintf("[cwd unavailable: %s]", strerror(errno)); - } - /* - * Otherwise, ERANGE was returned, meaning the buffer - * wasn't big enough. - */ - sgrowarray(buffer, size, size); - } -} - -struct RFile { - int fd; -}; - -RFile *open_existing_file(const char *name, uint64_t *size, - unsigned long *mtime, unsigned long *atime, - long *perms) -{ - int fd; - RFile *ret; - - fd = open(name, O_RDONLY); - if (fd < 0) - return NULL; - - ret = snew(RFile); - ret->fd = fd; - - if (size || mtime || atime || perms) { - struct stat statbuf; - if (fstat(fd, &statbuf) < 0) { - fprintf(stderr, "%s: stat: %s\n", name, strerror(errno)); - memset(&statbuf, 0, sizeof(statbuf)); - } - - if (size) - *size = statbuf.st_size; - - if (mtime) - *mtime = statbuf.st_mtime; - - if (atime) - *atime = statbuf.st_atime; - - if (perms) - *perms = statbuf.st_mode; - } - - return ret; -} - -int read_from_file(RFile *f, void *buffer, int length) -{ - return read(f->fd, buffer, length); -} - -void close_rfile(RFile *f) -{ - close(f->fd); - sfree(f); -} - -struct WFile { - int fd; - char *name; -}; - -WFile *open_new_file(const char *name, long perms) -{ - int fd; - WFile *ret; - - fd = open(name, O_CREAT | O_TRUNC | O_WRONLY, - (mode_t)(perms ? perms : 0666)); - if (fd < 0) - return NULL; - - ret = snew(WFile); - ret->fd = fd; - ret->name = dupstr(name); - - return ret; -} - - -WFile *open_existing_wfile(const char *name, uint64_t *size) -{ - int fd; - WFile *ret; - - fd = open(name, O_APPEND | O_WRONLY); - if (fd < 0) - return NULL; - - ret = snew(WFile); - ret->fd = fd; - ret->name = dupstr(name); - - if (size) { - struct stat statbuf; - if (fstat(fd, &statbuf) < 0) { - fprintf(stderr, "%s: stat: %s\n", name, strerror(errno)); - memset(&statbuf, 0, sizeof(statbuf)); - } - - *size = statbuf.st_size; - } - - return ret; -} - -int write_to_file(WFile *f, void *buffer, int length) -{ - char *p = (char *)buffer; - int so_far = 0; - - /* Keep trying until we've really written as much as we can. */ - while (length > 0) { - int ret = write(f->fd, p, length); - - if (ret < 0) - return ret; - - if (ret == 0) - break; - - p += ret; - length -= ret; - so_far += ret; - } - - return so_far; -} - -void set_file_times(WFile *f, unsigned long mtime, unsigned long atime) -{ - struct utimbuf ut; - - ut.actime = atime; - ut.modtime = mtime; - - utime(f->name, &ut); -} - -/* Closes and frees the WFile */ -void close_wfile(WFile *f) -{ - close(f->fd); - sfree(f->name); - sfree(f); -} - -/* Seek offset bytes through file, from whence, where whence is - FROM_START, FROM_CURRENT, or FROM_END */ -int seek_file(WFile *f, uint64_t offset, int whence) -{ - int lseek_whence; - - switch (whence) { - case FROM_START: - lseek_whence = SEEK_SET; - break; - case FROM_CURRENT: - lseek_whence = SEEK_CUR; - break; - case FROM_END: - lseek_whence = SEEK_END; - break; - default: - return -1; - } - - return lseek(f->fd, offset, lseek_whence) >= 0 ? 0 : -1; -} - -uint64_t get_file_posn(WFile *f) -{ - return lseek(f->fd, (off_t) 0, SEEK_CUR); -} - -int file_type(const char *name) -{ - struct stat statbuf; - - if (stat(name, &statbuf) < 0) { - if (errno != ENOENT) - fprintf(stderr, "%s: stat: %s\n", name, strerror(errno)); - return FILE_TYPE_NONEXISTENT; - } - - if (S_ISREG(statbuf.st_mode)) - return FILE_TYPE_FILE; - - if (S_ISDIR(statbuf.st_mode)) - return FILE_TYPE_DIRECTORY; - - return FILE_TYPE_WEIRD; -} - -struct DirHandle { - DIR *dir; -}; - -DirHandle *open_directory(const char *name, const char **errmsg) -{ - DIR *dir; - DirHandle *ret; - - dir = opendir(name); - if (!dir) { - *errmsg = strerror(errno); - return NULL; - } - - ret = snew(DirHandle); - ret->dir = dir; - return ret; -} - -char *read_filename(DirHandle *dir) -{ - struct dirent *de; - - do { - de = readdir(dir->dir); - if (de == NULL) - return NULL; - } while ((de->d_name[0] == '.' && - (de->d_name[1] == '\0' || - (de->d_name[1] == '.' && de->d_name[2] == '\0')))); - - return dupstr(de->d_name); -} - -void close_directory(DirHandle *dir) -{ - closedir(dir->dir); - sfree(dir); -} - -int test_wildcard(const char *name, bool cmdline) -{ - struct stat statbuf; - - if (stat(name, &statbuf) == 0) { - return WCTYPE_FILENAME; - } else if (cmdline) { - /* - * On Unix, we never need to parse wildcards coming from - * the command line, because the shell will have expanded - * them into a filename list already. - */ - return WCTYPE_NONEXISTENT; - } else { -#if HAVE_GLOB_H - glob_t globbed; - int ret = WCTYPE_NONEXISTENT; - - if (glob(name, GLOB_ERR, NULL, &globbed) == 0) { - if (globbed.gl_pathc > 0) - ret = WCTYPE_WILDCARD; - globfree(&globbed); - } - - return ret; -#else - /* On a system without glob.h, we just have to return a - * failure code */ - return WCTYPE_NONEXISTENT; -#endif - } -} - -/* - * Actually return matching file names for a local wildcard. - */ -#if HAVE_GLOB_H -struct WildcardMatcher { - glob_t globbed; - int i; -}; -WildcardMatcher *begin_wildcard_matching(const char *name) { - WildcardMatcher *ret = snew(WildcardMatcher); - - if (glob(name, 0, NULL, &ret->globbed) < 0) { - sfree(ret); - return NULL; - } - - ret->i = 0; - - return ret; -} -char *wildcard_get_filename(WildcardMatcher *dir) { - if (dir->i < dir->globbed.gl_pathc) { - return dupstr(dir->globbed.gl_pathv[dir->i++]); - } else - return NULL; -} -void finish_wildcard_matching(WildcardMatcher *dir) { - globfree(&dir->globbed); - sfree(dir); -} -#else -WildcardMatcher *begin_wildcard_matching(const char *name) -{ - return NULL; -} -char *wildcard_get_filename(WildcardMatcher *dir) -{ - unreachable("Can't construct a valid WildcardMatcher without <glob.h>"); -} -void finish_wildcard_matching(WildcardMatcher *dir) -{ - unreachable("Can't construct a valid WildcardMatcher without <glob.h>"); -} -#endif - -char *stripslashes(const char *str, bool local) -{ - char *p; - - /* - * On Unix, we do the same thing regardless of the 'local' - * parameter. - */ - p = strrchr(str, '/'); - if (p) str = p+1; - - return (char *)str; -} - -bool vet_filename(const char *name) -{ - if (strchr(name, '/')) - return false; - - if (name[0] == '.' && (!name[1] || (name[1] == '.' && !name[2]))) - return false; - - return true; -} - -bool create_directory(const char *name) -{ - return mkdir(name, 0777) == 0; -} - -char *dir_file_cat(const char *dir, const char *file) -{ - ptrlen dir_pl = ptrlen_from_asciz(dir); - return dupcat( - dir, ptrlen_endswith(dir_pl, PTRLEN_LITERAL("/"), NULL) ? "" : "/", - file); -} - -/* - * Do a select() between all currently active network fds and - * optionally stdin, using cli_main_loop. - */ - -struct ssh_sftp_mainloop_ctx { - bool include_stdin, no_fds_ok; - int toret; -}; -static bool ssh_sftp_pw_setup(void *vctx, pollwrapper *pw) -{ - struct ssh_sftp_mainloop_ctx *ctx = (struct ssh_sftp_mainloop_ctx *)vctx; - int fdstate, rwx; - - if (!ctx->no_fds_ok && !toplevel_callback_pending() && - first_fd(&fdstate, &rwx) < 0) { - ctx->toret = -1; - return false; /* terminate cli_main_loop */ - } - - if (ctx->include_stdin) - pollwrap_add_fd_rwx(pw, 0, SELECT_R); - - return true; -} -static void ssh_sftp_pw_check(void *vctx, pollwrapper *pw) -{ - struct ssh_sftp_mainloop_ctx *ctx = (struct ssh_sftp_mainloop_ctx *)vctx; - - if (ctx->include_stdin && pollwrap_check_fd_rwx(pw, 0, SELECT_R)) - ctx->toret = 1; -} -static bool ssh_sftp_mainloop_continue(void *vctx, bool found_any_fd, - bool ran_any_callback) -{ - struct ssh_sftp_mainloop_ctx *ctx = (struct ssh_sftp_mainloop_ctx *)vctx; - if (ctx->toret != 0 || found_any_fd || ran_any_callback) - return false; /* finish the loop */ - return true; -} -static int ssh_sftp_do_select(bool include_stdin, bool no_fds_ok) -{ - struct ssh_sftp_mainloop_ctx ctx[1]; - ctx->include_stdin = include_stdin; - ctx->no_fds_ok = no_fds_ok; - ctx->toret = 0; - - cli_main_loop(ssh_sftp_pw_setup, ssh_sftp_pw_check, - ssh_sftp_mainloop_continue, ctx); - - return ctx->toret; -} - -/* - * Wait for some network data and process it. - */ -int ssh_sftp_loop_iteration(void) -{ - return ssh_sftp_do_select(false, false); -} - -/* - * Read a PSFTP command line from stdin. - */ -char *ssh_sftp_get_cmdline(const char *prompt, bool no_fds_ok) -{ - char *buf; - size_t buflen, bufsize; - int ret; - - fputs(prompt, stdout); - fflush(stdout); - - buf = NULL; - buflen = bufsize = 0; - - while (1) { - ret = ssh_sftp_do_select(true, no_fds_ok); - if (ret < 0) { - printf("connection died\n"); - sfree(buf); - return NULL; /* woop woop */ - } - if (ret > 0) { - sgrowarray(buf, bufsize, buflen); - ret = read(0, buf+buflen, 1); - if (ret < 0) { - perror("read"); - sfree(buf); - return NULL; - } - if (ret == 0) { - /* eof on stdin; no error, but no answer either */ - sfree(buf); - return NULL; - } - - if (buf[buflen++] == '\n') { - /* we have a full line */ - return buf; - } - } - } -} - -void frontend_net_error_pending(void) {} - -void platform_psftp_pre_conn_setup(LogPolicy *lp) {} - -const bool buildinfo_gtk_relevant = false; - -/* - * Main program: do platform-specific initialisation and then call - * psftp_main(). - */ -int main(int argc, char *argv[]) -{ - uxsel_init(); - return psftp_main(argc, argv); -} |