diff options
Diffstat (limited to 'crypto/openssh/sftp-int.c')
| -rw-r--r-- | crypto/openssh/sftp-int.c | 1191 |
1 files changed, 0 insertions, 1191 deletions
diff --git a/crypto/openssh/sftp-int.c b/crypto/openssh/sftp-int.c deleted file mode 100644 index c93eaabffbe3..000000000000 --- a/crypto/openssh/sftp-int.c +++ /dev/null @@ -1,1191 +0,0 @@ -/* - * Copyright (c) 2001,2002 Damien Miller. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -/* XXX: recursive operations */ - -#include "includes.h" -RCSID("$OpenBSD: sftp-int.c,v 1.62 2003/08/25 08:13:09 fgsch Exp $"); - -#include "buffer.h" -#include "xmalloc.h" -#include "log.h" -#include "pathnames.h" - -#include "sftp.h" -#include "sftp-common.h" -#include "sftp-glob.h" -#include "sftp-client.h" -#include "sftp-int.h" - -/* File to read commands from */ -extern FILE *infile; - -/* Size of buffer used when copying files */ -extern size_t copy_buffer_len; - -/* Number of concurrent outstanding requests */ -extern int num_requests; - -/* This is set to 0 if the progressmeter is not desired. */ -int showprogress = 1; - -/* Seperators for interactive commands */ -#define WHITESPACE " \t\r\n" - -/* Define what type of ls view (0 - multi-column) */ -#define LONG_VIEW 1 /* Full view ala ls -l */ -#define SHORT_VIEW 2 /* Single row view ala ls -1 */ - -/* Commands for interactive mode */ -#define I_CHDIR 1 -#define I_CHGRP 2 -#define I_CHMOD 3 -#define I_CHOWN 4 -#define I_GET 5 -#define I_HELP 6 -#define I_LCHDIR 7 -#define I_LLS 8 -#define I_LMKDIR 9 -#define I_LPWD 10 -#define I_LS 11 -#define I_LUMASK 12 -#define I_MKDIR 13 -#define I_PUT 14 -#define I_PWD 15 -#define I_QUIT 16 -#define I_RENAME 17 -#define I_RM 18 -#define I_RMDIR 19 -#define I_SHELL 20 -#define I_SYMLINK 21 -#define I_VERSION 22 -#define I_PROGRESS 23 - -struct CMD { - const char *c; - const int n; -}; - -static const struct CMD cmds[] = { - { "bye", I_QUIT }, - { "cd", I_CHDIR }, - { "chdir", I_CHDIR }, - { "chgrp", I_CHGRP }, - { "chmod", I_CHMOD }, - { "chown", I_CHOWN }, - { "dir", I_LS }, - { "exit", I_QUIT }, - { "get", I_GET }, - { "mget", I_GET }, - { "help", I_HELP }, - { "lcd", I_LCHDIR }, - { "lchdir", I_LCHDIR }, - { "lls", I_LLS }, - { "lmkdir", I_LMKDIR }, - { "ln", I_SYMLINK }, - { "lpwd", I_LPWD }, - { "ls", I_LS }, - { "lumask", I_LUMASK }, - { "mkdir", I_MKDIR }, - { "progress", I_PROGRESS }, - { "put", I_PUT }, - { "mput", I_PUT }, - { "pwd", I_PWD }, - { "quit", I_QUIT }, - { "rename", I_RENAME }, - { "rm", I_RM }, - { "rmdir", I_RMDIR }, - { "symlink", I_SYMLINK }, - { "version", I_VERSION }, - { "!", I_SHELL }, - { "?", I_HELP }, - { NULL, -1} -}; - -static void -help(void) -{ - printf("Available commands:\n"); - printf("cd path Change remote directory to 'path'\n"); - printf("lcd path Change local directory to 'path'\n"); - printf("chgrp grp path Change group of file 'path' to 'grp'\n"); - printf("chmod mode path Change permissions of file 'path' to 'mode'\n"); - printf("chown own path Change owner of file 'path' to 'own'\n"); - printf("help Display this help text\n"); - printf("get remote-path [local-path] Download file\n"); - printf("lls [ls-options [path]] Display local directory listing\n"); - printf("ln oldpath newpath Symlink remote file\n"); - printf("lmkdir path Create local directory\n"); - printf("lpwd Print local working directory\n"); - printf("ls [path] Display remote directory listing\n"); - printf("lumask umask Set local umask to 'umask'\n"); - printf("mkdir path Create remote directory\n"); - printf("progress Toggle display of progress meter\n"); - printf("put local-path [remote-path] Upload file\n"); - printf("pwd Display remote working directory\n"); - printf("exit Quit sftp\n"); - printf("quit Quit sftp\n"); - printf("rename oldpath newpath Rename remote file\n"); - printf("rmdir path Remove remote directory\n"); - printf("rm path Delete remote file\n"); - printf("symlink oldpath newpath Symlink remote file\n"); - printf("version Show SFTP version\n"); - printf("!command Execute 'command' in local shell\n"); - printf("! Escape to local shell\n"); - printf("? Synonym for help\n"); -} - -static void -local_do_shell(const char *args) -{ - int status; - char *shell; - pid_t pid; - - if (!*args) - args = NULL; - - if ((shell = getenv("SHELL")) == NULL) - shell = _PATH_BSHELL; - - if ((pid = fork()) == -1) - fatal("Couldn't fork: %s", strerror(errno)); - - if (pid == 0) { - /* XXX: child has pipe fds to ssh subproc open - issue? */ - if (args) { - debug3("Executing %s -c \"%s\"", shell, args); - execl(shell, shell, "-c", args, (char *)NULL); - } else { - debug3("Executing %s", shell); - execl(shell, shell, (char *)NULL); - } - fprintf(stderr, "Couldn't execute \"%s\": %s\n", shell, - strerror(errno)); - _exit(1); - } - while (waitpid(pid, &status, 0) == -1) - if (errno != EINTR) - fatal("Couldn't wait for child: %s", strerror(errno)); - if (!WIFEXITED(status)) - error("Shell exited abormally"); - else if (WEXITSTATUS(status)) - error("Shell exited with status %d", WEXITSTATUS(status)); -} - -static void -local_do_ls(const char *args) -{ - if (!args || !*args) - local_do_shell(_PATH_LS); - else { - int len = strlen(_PATH_LS " ") + strlen(args) + 1; - char *buf = xmalloc(len); - - /* XXX: quoting - rip quoting code from ftp? */ - snprintf(buf, len, _PATH_LS " %s", args); - local_do_shell(buf); - xfree(buf); - } -} - -/* Strip one path (usually the pwd) from the start of another */ -static char * -path_strip(char *path, char *strip) -{ - size_t len; - - if (strip == NULL) - return (xstrdup(path)); - - len = strlen(strip); - if (strip != NULL && strncmp(path, strip, len) == 0) { - if (strip[len - 1] != '/' && path[len] == '/') - len++; - return (xstrdup(path + len)); - } - - return (xstrdup(path)); -} - -static char * -path_append(char *p1, char *p2) -{ - char *ret; - int len = strlen(p1) + strlen(p2) + 2; - - ret = xmalloc(len); - strlcpy(ret, p1, len); - if (p1[strlen(p1) - 1] != '/') - strlcat(ret, "/", len); - strlcat(ret, p2, len); - - return(ret); -} - -static char * -make_absolute(char *p, char *pwd) -{ - char *abs; - - /* Derelativise */ - if (p && p[0] != '/') { - abs = path_append(pwd, p); - xfree(p); - return(abs); - } else - return(p); -} - -static int -infer_path(const char *p, char **ifp) -{ - char *cp; - - cp = strrchr(p, '/'); - if (cp == NULL) { - *ifp = xstrdup(p); - return(0); - } - - if (!cp[1]) { - error("Invalid path"); - return(-1); - } - - *ifp = xstrdup(cp + 1); - return(0); -} - -static int -parse_getput_flags(const char **cpp, int *pflag) -{ - const char *cp = *cpp; - - /* Check for flags */ - if (cp[0] == '-' && cp[1] && strchr(WHITESPACE, cp[2])) { - switch (cp[1]) { - case 'p': - case 'P': - *pflag = 1; - break; - default: - error("Invalid flag -%c", cp[1]); - return(-1); - } - cp += 2; - *cpp = cp + strspn(cp, WHITESPACE); - } - - return(0); -} - -static int -parse_ls_flags(const char **cpp, int *lflag) -{ - const char *cp = *cpp; - - /* Check for flags */ - if (cp++[0] == '-') { - for(; strchr(WHITESPACE, *cp) == NULL; cp++) { - switch (*cp) { - case 'l': - *lflag = LONG_VIEW; - break; - case '1': - *lflag = SHORT_VIEW; - break; - default: - error("Invalid flag -%c", *cp); - return(-1); - } - } - *cpp = cp + strspn(cp, WHITESPACE); - } - - return(0); -} - -static int -get_pathname(const char **cpp, char **path) -{ - const char *cp = *cpp, *end; - char quot; - int i, j; - - cp += strspn(cp, WHITESPACE); - if (!*cp) { - *cpp = cp; - *path = NULL; - return (0); - } - - *path = xmalloc(strlen(cp) + 1); - - /* Check for quoted filenames */ - if (*cp == '\"' || *cp == '\'') { - quot = *cp++; - - /* Search for terminating quote, unescape some chars */ - for (i = j = 0; i <= strlen(cp); i++) { - if (cp[i] == quot) { /* Found quote */ - (*path)[j] = '\0'; - i++; - break; - } - if (cp[i] == '\0') { /* End of string */ - error("Unterminated quote"); - goto fail; - } - if (cp[i] == '\\') { /* Escaped characters */ - i++; - if (cp[i] != '\'' && cp[i] != '\"' && - cp[i] != '\\') { - error("Bad escaped character '\%c'", - cp[i]); - goto fail; - } - } - (*path)[j++] = cp[i]; - } - - if (j == 0) { - error("Empty quotes"); - goto fail; - } - *cpp = cp + i + strspn(cp + i, WHITESPACE); - } else { - /* Read to end of filename */ - end = strpbrk(cp, WHITESPACE); - if (end == NULL) - end = strchr(cp, '\0'); - *cpp = end + strspn(end, WHITESPACE); - - memcpy(*path, cp, end - cp); - (*path)[end - cp] = '\0'; - } - return (0); - - fail: - xfree(*path); - *path = NULL; - return (-1); -} - -static int -is_dir(char *path) -{ - struct stat sb; - - /* XXX: report errors? */ - if (stat(path, &sb) == -1) - return(0); - - return(sb.st_mode & S_IFDIR); -} - -static int -is_reg(char *path) -{ - struct stat sb; - - if (stat(path, &sb) == -1) - fatal("stat %s: %s", path, strerror(errno)); - - return(S_ISREG(sb.st_mode)); -} - -static int -remote_is_dir(struct sftp_conn *conn, char *path) -{ - Attrib *a; - - /* XXX: report errors? */ - if ((a = do_stat(conn, path, 1)) == NULL) - return(0); - if (!(a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) - return(0); - return(a->perm & S_IFDIR); -} - -static int -process_get(struct sftp_conn *conn, char *src, char *dst, char *pwd, int pflag) -{ - char *abs_src = NULL; - char *abs_dst = NULL; - char *tmp; - glob_t g; - int err = 0; - int i; - - abs_src = xstrdup(src); - abs_src = make_absolute(abs_src, pwd); - - memset(&g, 0, sizeof(g)); - debug3("Looking up %s", abs_src); - if (remote_glob(conn, abs_src, 0, NULL, &g)) { - error("File \"%s\" not found.", abs_src); - err = -1; - goto out; - } - - /* If multiple matches, dst must be a directory or unspecified */ - if (g.gl_matchc > 1 && dst && !is_dir(dst)) { - error("Multiple files match, but \"%s\" is not a directory", - dst); - err = -1; - goto out; - } - - for (i = 0; g.gl_pathv[i]; i++) { - if (infer_path(g.gl_pathv[i], &tmp)) { - err = -1; - goto out; - } - - if (g.gl_matchc == 1 && dst) { - /* If directory specified, append filename */ - if (is_dir(dst)) { - if (infer_path(g.gl_pathv[0], &tmp)) { - err = 1; - goto out; - } - abs_dst = path_append(dst, tmp); - xfree(tmp); - } else - abs_dst = xstrdup(dst); - } else if (dst) { - abs_dst = path_append(dst, tmp); - xfree(tmp); - } else - abs_dst = tmp; - - printf("Fetching %s to %s\n", g.gl_pathv[i], abs_dst); - if (do_download(conn, g.gl_pathv[i], abs_dst, pflag) == -1) - err = -1; - xfree(abs_dst); - abs_dst = NULL; - } - -out: - xfree(abs_src); - if (abs_dst) - xfree(abs_dst); - globfree(&g); - return(err); -} - -static int -process_put(struct sftp_conn *conn, char *src, char *dst, char *pwd, int pflag) -{ - char *tmp_dst = NULL; - char *abs_dst = NULL; - char *tmp; - glob_t g; - int err = 0; - int i; - - if (dst) { - tmp_dst = xstrdup(dst); - tmp_dst = make_absolute(tmp_dst, pwd); - } - - memset(&g, 0, sizeof(g)); - debug3("Looking up %s", src); - if (glob(src, 0, NULL, &g)) { - error("File \"%s\" not found.", src); - err = -1; - goto out; - } - - /* If multiple matches, dst may be directory or unspecified */ - if (g.gl_matchc > 1 && tmp_dst && !remote_is_dir(conn, tmp_dst)) { - error("Multiple files match, but \"%s\" is not a directory", - tmp_dst); - err = -1; - goto out; - } - - for (i = 0; g.gl_pathv[i]; i++) { - if (!is_reg(g.gl_pathv[i])) { - error("skipping non-regular file %s", - g.gl_pathv[i]); - continue; - } - if (infer_path(g.gl_pathv[i], &tmp)) { - err = -1; - goto out; - } - - if (g.gl_matchc == 1 && tmp_dst) { - /* If directory specified, append filename */ - if (remote_is_dir(conn, tmp_dst)) { - if (infer_path(g.gl_pathv[0], &tmp)) { - err = 1; - goto out; - } - abs_dst = path_append(tmp_dst, tmp); - xfree(tmp); - } else - abs_dst = xstrdup(tmp_dst); - - } else if (tmp_dst) { - abs_dst = path_append(tmp_dst, tmp); - xfree(tmp); - } else - abs_dst = make_absolute(tmp, pwd); - - printf("Uploading %s to %s\n", g.gl_pathv[i], abs_dst); - if (do_upload(conn, g.gl_pathv[i], abs_dst, pflag) == -1) - err = -1; - } - -out: - if (abs_dst) - xfree(abs_dst); - if (tmp_dst) - xfree(tmp_dst); - globfree(&g); - return(err); -} - -static int -sdirent_comp(const void *aa, const void *bb) -{ - SFTP_DIRENT *a = *(SFTP_DIRENT **)aa; - SFTP_DIRENT *b = *(SFTP_DIRENT **)bb; - - return (strcmp(a->filename, b->filename)); -} - -/* sftp ls.1 replacement for directories */ -static int -do_ls_dir(struct sftp_conn *conn, char *path, char *strip_path, int lflag) -{ - int n, c = 1, colspace = 0, columns = 1; - SFTP_DIRENT **d; - - if ((n = do_readdir(conn, path, &d)) != 0) - return (n); - - if (!(lflag & SHORT_VIEW)) { - int m = 0, width = 80; - struct winsize ws; - - /* Count entries for sort and find longest filename */ - for (n = 0; d[n] != NULL; n++) - m = MAX(m, strlen(d[n]->filename)); - - if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1) - width = ws.ws_col; - - columns = width / (m + 2); - columns = MAX(columns, 1); - colspace = width / columns; - } - - qsort(d, n, sizeof(*d), sdirent_comp); - - for (n = 0; d[n] != NULL; n++) { - char *tmp, *fname; - - tmp = path_append(path, d[n]->filename); - fname = path_strip(tmp, strip_path); - xfree(tmp); - - if (lflag & LONG_VIEW) { - char *lname; - struct stat sb; - - memset(&sb, 0, sizeof(sb)); - attrib_to_stat(&d[n]->a, &sb); - lname = ls_file(fname, &sb, 1); - printf("%s\n", lname); - xfree(lname); - } else { - printf("%-*s", colspace, fname); - if (c >= columns) { - printf("\n"); - c = 1; - } else - c++; - } - - xfree(fname); - } - - if (!(lflag & LONG_VIEW) && (c != 1)) - printf("\n"); - - free_sftp_dirents(d); - return (0); -} - -/* sftp ls.1 replacement which handles path globs */ -static int -do_globbed_ls(struct sftp_conn *conn, char *path, char *strip_path, - int lflag) -{ - glob_t g; - int i, c = 1, colspace = 0, columns = 1; - Attrib *a; - - memset(&g, 0, sizeof(g)); - - if (remote_glob(conn, path, GLOB_MARK|GLOB_NOCHECK|GLOB_BRACE, - NULL, &g)) { - error("Can't ls: \"%s\" not found", path); - return (-1); - } - - /* - * If the glob returns a single match, which is the same as the - * input glob, and it is a directory, then just list its contents - */ - if (g.gl_pathc == 1 && - strncmp(path, g.gl_pathv[0], strlen(g.gl_pathv[0]) - 1) == 0) { - if ((a = do_lstat(conn, path, 1)) == NULL) { - globfree(&g); - return (-1); - } - if ((a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) && - S_ISDIR(a->perm)) { - globfree(&g); - return (do_ls_dir(conn, path, strip_path, lflag)); - } - } - - if (!(lflag & SHORT_VIEW)) { - int m = 0, width = 80; - struct winsize ws; - - /* Count entries for sort and find longest filename */ - for (i = 0; g.gl_pathv[i]; i++) - m = MAX(m, strlen(g.gl_pathv[i])); - - if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1) - width = ws.ws_col; - - columns = width / (m + 2); - columns = MAX(columns, 1); - colspace = width / columns; - } - - for (i = 0; g.gl_pathv[i]; i++) { - char *fname; - - fname = path_strip(g.gl_pathv[i], strip_path); - - if (lflag & LONG_VIEW) { - char *lname; - struct stat sb; - - /* - * XXX: this is slow - 1 roundtrip per path - * A solution to this is to fork glob() and - * build a sftp specific version which keeps the - * attribs (which currently get thrown away) - * that the server returns as well as the filenames. - */ - memset(&sb, 0, sizeof(sb)); - a = do_lstat(conn, g.gl_pathv[i], 1); - if (a != NULL) - attrib_to_stat(a, &sb); - lname = ls_file(fname, &sb, 1); - printf("%s\n", lname); - xfree(lname); - } else { - printf("%-*s", colspace, fname); - if (c >= columns) { - printf("\n"); - c = 1; - } else - c++; - } - xfree(fname); - } - - if (!(lflag & LONG_VIEW) && (c != 1)) - printf("\n"); - - if (g.gl_pathc) - globfree(&g); - - return (0); -} - -static int -parse_args(const char **cpp, int *pflag, int *lflag, int *iflag, - unsigned long *n_arg, char **path1, char **path2) -{ - const char *cmd, *cp = *cpp; - char *cp2; - int base = 0; - long l; - int i, cmdnum; - - /* Skip leading whitespace */ - cp = cp + strspn(cp, WHITESPACE); - - /* Ignore blank lines and lines which begin with comment '#' char */ - if (*cp == '\0' || *cp == '#') - return (0); - - /* Check for leading '-' (disable error processing) */ - *iflag = 0; - if (*cp == '-') { - *iflag = 1; - cp++; - } - - /* Figure out which command we have */ - for (i = 0; cmds[i].c; i++) { - int cmdlen = strlen(cmds[i].c); - - /* Check for command followed by whitespace */ - if (!strncasecmp(cp, cmds[i].c, cmdlen) && - strchr(WHITESPACE, cp[cmdlen])) { - cp += cmdlen; - cp = cp + strspn(cp, WHITESPACE); - break; - } - } - cmdnum = cmds[i].n; - cmd = cmds[i].c; - - /* Special case */ - if (*cp == '!') { - cp++; - cmdnum = I_SHELL; - } else if (cmdnum == -1) { - error("Invalid command."); - return (-1); - } - - /* Get arguments and parse flags */ - *lflag = *pflag = *n_arg = 0; - *path1 = *path2 = NULL; - switch (cmdnum) { - case I_GET: - case I_PUT: - if (parse_getput_flags(&cp, pflag)) - return(-1); - /* Get first pathname (mandatory) */ - if (get_pathname(&cp, path1)) - return(-1); - if (*path1 == NULL) { - error("You must specify at least one path after a " - "%s command.", cmd); - return(-1); - } - /* Try to get second pathname (optional) */ - if (get_pathname(&cp, path2)) - return(-1); - break; - case I_RENAME: - case I_SYMLINK: - if (get_pathname(&cp, path1)) - return(-1); - if (get_pathname(&cp, path2)) - return(-1); - if (!*path1 || !*path2) { - error("You must specify two paths after a %s " - "command.", cmd); - return(-1); - } - break; - case I_RM: - case I_MKDIR: - case I_RMDIR: - case I_CHDIR: - case I_LCHDIR: - case I_LMKDIR: - /* Get pathname (mandatory) */ - if (get_pathname(&cp, path1)) - return(-1); - if (*path1 == NULL) { - error("You must specify a path after a %s command.", - cmd); - return(-1); - } - break; - case I_LS: - if (parse_ls_flags(&cp, lflag)) - return(-1); - /* Path is optional */ - if (get_pathname(&cp, path1)) - return(-1); - break; - case I_LLS: - case I_SHELL: - /* Uses the rest of the line */ - break; - case I_LUMASK: - base = 8; - case I_CHMOD: - base = 8; - case I_CHOWN: - case I_CHGRP: - /* Get numeric arg (mandatory) */ - l = strtol(cp, &cp2, base); - if (cp2 == cp || ((l == LONG_MIN || l == LONG_MAX) && - errno == ERANGE) || l < 0) { - error("You must supply a numeric argument " - "to the %s command.", cmd); - return(-1); - } - cp = cp2; - *n_arg = l; - if (cmdnum == I_LUMASK && strchr(WHITESPACE, *cp)) - break; - if (cmdnum == I_LUMASK || !strchr(WHITESPACE, *cp)) { - error("You must supply a numeric argument " - "to the %s command.", cmd); - return(-1); - } - cp += strspn(cp, WHITESPACE); - - /* Get pathname (mandatory) */ - if (get_pathname(&cp, path1)) - return(-1); - if (*path1 == NULL) { - error("You must specify a path after a %s command.", - cmd); - return(-1); - } - break; - case I_QUIT: - case I_PWD: - case I_LPWD: - case I_HELP: - case I_VERSION: - case I_PROGRESS: - break; - default: - fatal("Command not implemented"); - } - - *cpp = cp; - return(cmdnum); -} - -static int -parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd, - int err_abort) -{ - char *path1, *path2, *tmp; - int pflag, lflag, iflag, cmdnum, i; - unsigned long n_arg; - Attrib a, *aa; - char path_buf[MAXPATHLEN]; - int err = 0; - glob_t g; - - path1 = path2 = NULL; - cmdnum = parse_args(&cmd, &pflag, &lflag, &iflag, &n_arg, - &path1, &path2); - - if (iflag != 0) - err_abort = 0; - - memset(&g, 0, sizeof(g)); - - /* Perform command */ - switch (cmdnum) { - case 0: - /* Blank line */ - break; - case -1: - /* Unrecognized command */ - err = -1; - break; - case I_GET: - err = process_get(conn, path1, path2, *pwd, pflag); - break; - case I_PUT: - err = process_put(conn, path1, path2, *pwd, pflag); - break; - case I_RENAME: - path1 = make_absolute(path1, *pwd); - path2 = make_absolute(path2, *pwd); - err = do_rename(conn, path1, path2); - break; - case I_SYMLINK: - path2 = make_absolute(path2, *pwd); - err = do_symlink(conn, path1, path2); - break; - case I_RM: - path1 = make_absolute(path1, *pwd); - remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g); - for (i = 0; g.gl_pathv[i]; i++) { - printf("Removing %s\n", g.gl_pathv[i]); - err = do_rm(conn, g.gl_pathv[i]); - if (err != 0 && err_abort) - break; - } - break; - case I_MKDIR: - path1 = make_absolute(path1, *pwd); - attrib_clear(&a); - a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS; - a.perm = 0777; - err = do_mkdir(conn, path1, &a); - break; - case I_RMDIR: - path1 = make_absolute(path1, *pwd); - err = do_rmdir(conn, path1); - break; - case I_CHDIR: - path1 = make_absolute(path1, *pwd); - if ((tmp = do_realpath(conn, path1)) == NULL) { - err = 1; - break; - } - if ((aa = do_stat(conn, tmp, 0)) == NULL) { - xfree(tmp); - err = 1; - break; - } - if (!(aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) { - error("Can't change directory: Can't check target"); - xfree(tmp); - err = 1; - break; - } - if (!S_ISDIR(aa->perm)) { - error("Can't change directory: \"%s\" is not " - "a directory", tmp); - xfree(tmp); - err = 1; - break; - } - xfree(*pwd); - *pwd = tmp; - break; - case I_LS: - if (!path1) { - do_globbed_ls(conn, *pwd, *pwd, lflag); - break; - } - - /* Strip pwd off beginning of non-absolute paths */ - tmp = NULL; - if (*path1 != '/') - tmp = *pwd; - - path1 = make_absolute(path1, *pwd); - err = do_globbed_ls(conn, path1, tmp, lflag); - break; - case I_LCHDIR: - if (chdir(path1) == -1) { - error("Couldn't change local directory to " - "\"%s\": %s", path1, strerror(errno)); - err = 1; - } - break; - case I_LMKDIR: - if (mkdir(path1, 0777) == -1) { - error("Couldn't create local directory " - "\"%s\": %s", path1, strerror(errno)); - err = 1; - } - break; - case I_LLS: - local_do_ls(cmd); - break; - case I_SHELL: - local_do_shell(cmd); - break; - case I_LUMASK: - umask(n_arg); - printf("Local umask: %03lo\n", n_arg); - break; - case I_CHMOD: - path1 = make_absolute(path1, *pwd); - attrib_clear(&a); - a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS; - a.perm = n_arg; - remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g); - for (i = 0; g.gl_pathv[i]; i++) { - printf("Changing mode on %s\n", g.gl_pathv[i]); - err = do_setstat(conn, g.gl_pathv[i], &a); - if (err != 0 && err_abort) - break; - } - break; - case I_CHOWN: - case I_CHGRP: - path1 = make_absolute(path1, *pwd); - remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g); - for (i = 0; g.gl_pathv[i]; i++) { - if (!(aa = do_stat(conn, g.gl_pathv[i], 0))) { - if (err != 0 && err_abort) - break; - else - continue; - } - if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) { - error("Can't get current ownership of " - "remote file \"%s\"", g.gl_pathv[i]); - if (err != 0 && err_abort) - break; - else - continue; - } - aa->flags &= SSH2_FILEXFER_ATTR_UIDGID; - if (cmdnum == I_CHOWN) { - printf("Changing owner on %s\n", g.gl_pathv[i]); - aa->uid = n_arg; - } else { - printf("Changing group on %s\n", g.gl_pathv[i]); - aa->gid = n_arg; - } - err = do_setstat(conn, g.gl_pathv[i], aa); - if (err != 0 && err_abort) - break; - } - break; - case I_PWD: - printf("Remote working directory: %s\n", *pwd); - break; - case I_LPWD: - if (!getcwd(path_buf, sizeof(path_buf))) { - error("Couldn't get local cwd: %s", strerror(errno)); - err = -1; - break; - } - printf("Local working directory: %s\n", path_buf); - break; - case I_QUIT: - /* Processed below */ - break; - case I_HELP: - help(); - break; - case I_VERSION: - printf("SFTP protocol version %u\n", sftp_proto_version(conn)); - break; - case I_PROGRESS: - showprogress = !showprogress; - if (showprogress) - printf("Progress meter enabled\n"); - else - printf("Progress meter disabled\n"); - break; - default: - fatal("%d is not implemented", cmdnum); - } - - if (g.gl_pathc) - globfree(&g); - if (path1) - xfree(path1); - if (path2) - xfree(path2); - - /* If an unignored error occurs in batch mode we should abort. */ - if (err_abort && err != 0) - return (-1); - else if (cmdnum == I_QUIT) - return (1); - - return (0); -} - -int -interactive_loop(int fd_in, int fd_out, char *file1, char *file2) -{ - char *pwd; - char *dir = NULL; - char cmd[2048]; - struct sftp_conn *conn; - int err; - - conn = do_init(fd_in, fd_out, copy_buffer_len, num_requests); - if (conn == NULL) - fatal("Couldn't initialise connection to server"); - - pwd = do_realpath(conn, "."); - if (pwd == NULL) - fatal("Need cwd"); - - if (file1 != NULL) { - dir = xstrdup(file1); - dir = make_absolute(dir, pwd); - - if (remote_is_dir(conn, dir) && file2 == NULL) { - printf("Changing to: %s\n", dir); - snprintf(cmd, sizeof cmd, "cd \"%s\"", dir); - if (parse_dispatch_command(conn, cmd, &pwd, 1) != 0) - return (-1); - } else { - if (file2 == NULL) - snprintf(cmd, sizeof cmd, "get %s", dir); - else - snprintf(cmd, sizeof cmd, "get %s %s", dir, - file2); - - err = parse_dispatch_command(conn, cmd, &pwd, 1); - xfree(dir); - xfree(pwd); - return (err); - } - xfree(dir); - } - -#if HAVE_SETVBUF - setvbuf(stdout, NULL, _IOLBF, 0); - setvbuf(infile, NULL, _IOLBF, 0); -#else - setlinebuf(stdout); - setlinebuf(infile); -#endif - - err = 0; - for (;;) { - char *cp; - - printf("sftp> "); - - /* XXX: use libedit */ - if (fgets(cmd, sizeof(cmd), infile) == NULL) { - printf("\n"); - break; - } else if (infile != stdin) /* Bluff typing */ - printf("%s", cmd); - - cp = strrchr(cmd, '\n'); - if (cp) - *cp = '\0'; - - err = parse_dispatch_command(conn, cmd, &pwd, infile != stdin); - if (err != 0) - break; - } - xfree(pwd); - - /* err == 1 signifies normal "quit" exit */ - return (err >= 0 ? 0 : -1); -} - |