X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/876eefd49f8857d4e6c87b822fe29d88e9a5230d..038ec85e825fc940c1387f64a88ae73b75f6822b:/unix/uxsftp.c diff --git a/unix/uxsftp.c b/unix/uxsftp.c index cae66c45..57f28416 100644 --- a/unix/uxsftp.c +++ b/unix/uxsftp.c @@ -5,15 +5,22 @@ #include #include #include +#include #include #include #include #include #include #include +#include +#ifndef HAVE_NO_SYS_SELECT_H +#include +#endif #include "putty.h" +#include "ssh.h" #include "psftp.h" +#include "int64.h" /* * In PSFTP our selects are synchronous, so these functions are @@ -27,11 +34,11 @@ char *x_get_default(const char *key) return NULL; /* this is a stub */ } -void platform_get_x11_auth(char *display, int *protocol, - unsigned char *data, int *datalen) +void platform_get_x11_auth(struct X11Display *display, Conf *conf) { /* Do nothing, therefore no auth. */ } +const int platform_uses_x11_unix_by_default = TRUE; /* * Default settings that are specific to PSFTP. @@ -46,34 +53,29 @@ int platform_default_i(const char *name, int def) return def; } -FontSpec platform_default_fontspec(const char *name) +FontSpec *platform_default_fontspec(const char *name) { - FontSpec ret; - *ret.name = '\0'; - return ret; + return fontspec_new(""); } -Filename platform_default_filename(const char *name) +Filename *platform_default_filename(const char *name) { - Filename ret; if (!strcmp(name, "LogFileName")) - strcpy(ret.path, "putty.log"); + return filename_from_str("putty.log"); else - *ret.path = '\0'; - return ret; + return filename_from_str(""); } -/* - * Stubs for the GUI feedback mechanism in Windows PSCP. - */ -void gui_update_stats(char *name, unsigned long size, - int percentage, unsigned long elapsed, - unsigned long done, unsigned long eta, - unsigned long ratebs) {} -void gui_send_errcount(int list, int errs) {} -void gui_send_char(int is_stderr, int c) {} -void gui_enable(char *arg) {} +char *get_ttymode(void *frontend, const char *mode) { return NULL; } +int get_userpass_input(prompts_t *p, unsigned char *in, int inlen) +{ + int ret; + ret = cmdline_get_passwd_input(p, in, inlen); + if (ret == -1) + ret = console_get_userpass_input(p, in, inlen); + return ret; +} /* * Set local current directory. Returns NULL on success, or else an @@ -118,8 +120,9 @@ struct RFile { int fd; }; -RFile *open_existing_file(char *name, unsigned long *size, - unsigned long *mtime, unsigned long *atime) +RFile *open_existing_file(char *name, uint64 *size, + unsigned long *mtime, unsigned long *atime, + long *perms) { int fd; RFile *ret; @@ -131,7 +134,7 @@ RFile *open_existing_file(char *name, unsigned long *size, ret = snew(RFile); ret->fd = fd; - if (size || mtime || atime) { + if (size || mtime || atime || perms) { struct stat statbuf; if (fstat(fd, &statbuf) < 0) { fprintf(stderr, "%s: stat: %s\n", name, strerror(errno)); @@ -139,13 +142,17 @@ RFile *open_existing_file(char *name, unsigned long *size, } if (size) - *size = statbuf.st_size; - + *size = uint64_make((statbuf.st_size >> 16) >> 16, + statbuf.st_size); + if (mtime) *mtime = statbuf.st_mtime; if (atime) *atime = statbuf.st_atime; + + if (perms) + *perms = statbuf.st_mode; } return ret; @@ -167,12 +174,13 @@ struct WFile { char *name; }; -WFile *open_new_file(char *name) +WFile *open_new_file(char *name, long perms) { int fd; WFile *ret; - fd = open(name, O_CREAT | O_TRUNC | O_WRONLY, 0666); + fd = open(name, O_CREAT | O_TRUNC | O_WRONLY, + (mode_t)(perms ? perms : 0666)); if (fd < 0) return NULL; @@ -183,6 +191,34 @@ WFile *open_new_file(char *name) return ret; } + +WFile *open_existing_wfile(char *name, uint64 *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 = uint64_make((statbuf.st_size >> 16) >> 16, + statbuf.st_size); + } + + return ret; +} + int write_to_file(WFile *f, void *buffer, int length) { char *p = (char *)buffer; @@ -224,6 +260,44 @@ void close_wfile(WFile *f) 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 offset, int whence) +{ + off_t fileofft; + int lseek_whence; + + fileofft = (((off_t) offset.hi << 16) << 16) + offset.lo; + + 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, fileofft, lseek_whence) >= 0 ? 0 : -1; +} + +uint64 get_file_posn(WFile *f) +{ + off_t fileofft; + uint64 ret; + + fileofft = lseek(f->fd, (off_t) 0, SEEK_CUR); + + ret = uint64_make((fileofft >> 16) >> 16, fileofft); + + return ret; +} + int file_type(char *name) { struct stat statbuf; @@ -284,30 +358,71 @@ void close_directory(DirHandle *dir) int test_wildcard(char *name, int cmdline) { - /* - * On Unix, we currently don't support local wildcards at all. - * We will have to do so (FIXME) once PSFTP starts implementing - * mput, but until then we can assume `cmdline' is always set. - */ struct stat statbuf; - assert(cmdline); - if (stat(name, &statbuf) < 0) - return WCTYPE_NONEXISTENT; - else + 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 { + 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; + } } /* - * Actually return matching file names for a local wildcard. FIXME: - * we currently don't support this at all. + * Actually return matching file names for a local wildcard. */ struct WildcardMatcher { - int x; + glob_t globbed; + int i; }; -WildcardMatcher *begin_wildcard_matching(char *name) { return NULL; } -char *wildcard_get_filename(WildcardMatcher *dir) { return NULL; } -void finish_wildcard_matching(WildcardMatcher *dir) {} +WildcardMatcher *begin_wildcard_matching(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); +} + +int vet_filename(char *name) +{ + if (strchr(name, '/')) + return FALSE; + + if (name[0] == '.' && (!name[1] || (name[1] == '.' && !name[2]))) + return FALSE; + + return TRUE; +} int create_directory(char *name) { @@ -320,55 +435,84 @@ char *dir_file_cat(char *dir, char *file) } /* - * Wait for some network data and process it. + * Do a select() between all currently active network fds and + * optionally stdin. */ -int ssh_sftp_loop_iteration(void) +static int ssh_sftp_do_select(int include_stdin, int no_fds_ok) { fd_set rset, wset, xset; int i, fdcount, fdsize, *fdlist; int fd, fdstate, rwx, ret, maxfd; + unsigned long now = GETTICKCOUNT(); fdlist = NULL; fdcount = fdsize = 0; - /* Count the currently active fds. */ - i = 0; - for (fd = first_fd(&fdstate, &rwx); fd >= 0; - fd = next_fd(&fdstate, &rwx)) i++; + do { - if (i < 1) - return -1; /* doom */ + /* Count the currently active fds. */ + i = 0; + for (fd = first_fd(&fdstate, &rwx); fd >= 0; + fd = next_fd(&fdstate, &rwx)) i++; - /* Expand the fdlist buffer if necessary. */ - if (i > fdsize) { - fdsize = i + 16; - fdlist = sresize(fdlist, fdsize, int); - } + if (i < 1 && !no_fds_ok) + return -1; /* doom */ - FD_ZERO(&rset); - FD_ZERO(&wset); - FD_ZERO(&xset); - maxfd = 0; - - /* - * Add all currently open fds to the select sets, and store - * them in fdlist as well. - */ - fdcount = 0; - for (fd = first_fd(&fdstate, &rwx); fd >= 0; - fd = next_fd(&fdstate, &rwx)) { - fdlist[fdcount++] = fd; - if (rwx & 1) - FD_SET_MAX(fd, maxfd, rset); - if (rwx & 2) - FD_SET_MAX(fd, maxfd, wset); - if (rwx & 4) - FD_SET_MAX(fd, maxfd, xset); - } + /* Expand the fdlist buffer if necessary. */ + if (i > fdsize) { + fdsize = i + 16; + fdlist = sresize(fdlist, fdsize, int); + } - do { - ret = select(maxfd, &rset, &wset, &xset, NULL); - } while (ret < 0 && errno == EINTR); + FD_ZERO(&rset); + FD_ZERO(&wset); + FD_ZERO(&xset); + maxfd = 0; + + /* + * Add all currently open fds to the select sets, and store + * them in fdlist as well. + */ + fdcount = 0; + for (fd = first_fd(&fdstate, &rwx); fd >= 0; + fd = next_fd(&fdstate, &rwx)) { + fdlist[fdcount++] = fd; + if (rwx & 1) + FD_SET_MAX(fd, maxfd, rset); + if (rwx & 2) + FD_SET_MAX(fd, maxfd, wset); + if (rwx & 4) + FD_SET_MAX(fd, maxfd, xset); + } + + if (include_stdin) + FD_SET_MAX(0, maxfd, rset); + + do { + unsigned long next, then; + long ticks; + struct timeval tv, *ptv; + + if (run_timers(now, &next)) { + then = now; + now = GETTICKCOUNT(); + if (now - then > next - then) + ticks = 0; + else + ticks = next - now; + tv.tv_sec = ticks / 1000; + tv.tv_usec = ticks % 1000 * 1000; + ptv = &tv; + } else { + ptv = NULL; + } + ret = select(maxfd, &rset, &wset, &xset, ptv); + if (ret == 0) + now = next; + else + now = GETTICKCOUNT(); + } while (ret < 0 && errno != EINTR); + } while (ret == 0); if (ret < 0) { perror("select"); @@ -392,10 +536,66 @@ int ssh_sftp_loop_iteration(void) sfree(fdlist); - return 0; + return FD_ISSET(0, &rset) ? 1 : 0; } /* + * 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(char *prompt, int no_fds_ok) +{ + char *buf; + int buflen, bufsize, 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) { + if (buflen >= bufsize) { + bufsize = buflen + 512; + buf = sresize(buf, bufsize, char); + } + 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) {} + +/* * Main program: do platform-specific initialisation and then call * psftp_main(). */