-/*\r
- * uxsftp.c: the Unix-specific parts of PSFTP and PSCP.\r
- */\r
-\r
-#include <sys/time.h>\r
-#include <sys/types.h>\r
-#include <unistd.h>\r
-#include <errno.h>\r
-\r
-#include "putty.h"\r
-#include "psftp.h"\r
-\r
-/*\r
- * In PSFTP our selects are synchronous, so these functions are\r
- * empty stubs.\r
- */\r
-int uxsel_input_add(int fd, int rwx) { return 0; }\r
-void uxsel_input_remove(int id) { }\r
-\r
-char *x_get_default(const char *key)\r
-{\r
- return NULL; /* this is a stub */\r
-}\r
-\r
-void platform_get_x11_auth(char *display, int *protocol,\r
- unsigned char *data, int *datalen)\r
-{\r
- /* Do nothing, therefore no auth. */\r
-}\r
-\r
-/*\r
- * Default settings that are specific to PSFTP.\r
- */\r
-char *platform_default_s(const char *name)\r
-{\r
- return NULL;\r
-}\r
-\r
-int platform_default_i(const char *name, int def)\r
-{\r
- return def;\r
-}\r
-\r
-FontSpec platform_default_fontspec(const char *name)\r
-{\r
- FontSpec ret;\r
- *ret.name = '\0';\r
- return ret;\r
-}\r
-\r
-Filename platform_default_filename(const char *name)\r
-{\r
- Filename ret;\r
- if (!strcmp(name, "LogFileName"))\r
- strcpy(ret.path, "putty.log");\r
- else\r
- *ret.path = '\0';\r
- return ret;\r
-}\r
-\r
-/*\r
- * Stubs for the GUI feedback mechanism in Windows PSCP.\r
- */\r
-void gui_update_stats(char *name, unsigned long size,\r
- int percentage, unsigned long elapsed,\r
- unsigned long done, unsigned long eta,\r
- unsigned long ratebs) {}\r
-void gui_send_errcount(int list, int errs) {}\r
-void gui_send_char(int is_stderr, int c) {}\r
-void gui_enable(char *arg) {}\r
-\r
-\r
-/*\r
- * Set local current directory. Returns NULL on success, or else an\r
- * error message which must be freed after printing.\r
- */\r
-char *psftp_lcd(char *dir)\r
-{\r
- if (chdir(dir) < 0)\r
- return dupprintf("%s: chdir: %s", dir, strerror(errno));\r
- else\r
- return NULL;\r
-}\r
-\r
-/*\r
- * Get local current directory. Returns a string which must be\r
- * freed.\r
- */\r
-char *psftp_getcwd(void)\r
-{\r
- char *buffer, *ret;\r
- int size = 256;\r
-\r
- buffer = snewn(size, char);\r
- while (1) {\r
- ret = getcwd(buffer, size);\r
- if (ret != NULL)\r
- return ret;\r
- if (errno != ERANGE) {\r
- sfree(buffer);\r
- return dupprintf("[cwd unavailable: %s]", strerror(errno));\r
- }\r
- /*\r
- * Otherwise, ERANGE was returned, meaning the buffer\r
- * wasn't big enough.\r
- */\r
- size = size * 3 / 2;\r
- buffer = sresize(buffer, size, char);\r
- }\r
-}\r
-\r
-/*\r
- * Wait for some network data and process it.\r
- */\r
-int ssh_sftp_loop_iteration(void)\r
-{\r
- fd_set rset, wset, xset;\r
- int i, fdcount, fdsize, *fdlist;\r
- int fd, fdstate, rwx, ret, maxfd;\r
-\r
- fdlist = NULL;\r
- fdcount = fdsize = 0;\r
-\r
- /* Count the currently active fds. */\r
- i = 0;\r
- for (fd = first_fd(&fdstate, &rwx); fd >= 0;\r
- fd = next_fd(&fdstate, &rwx)) i++;\r
-\r
- if (i < 1)\r
- return -1; /* doom */\r
-\r
- /* Expand the fdlist buffer if necessary. */\r
- if (i > fdsize) {\r
- fdsize = i + 16;\r
- fdlist = sresize(fdlist, fdsize, int);\r
- }\r
-\r
- FD_ZERO(&rset);\r
- FD_ZERO(&wset);\r
- FD_ZERO(&xset);\r
- maxfd = 0;\r
-\r
- /*\r
- * Add all currently open fds to the select sets, and store\r
- * them in fdlist as well.\r
- */\r
- fdcount = 0;\r
- for (fd = first_fd(&fdstate, &rwx); fd >= 0;\r
- fd = next_fd(&fdstate, &rwx)) {\r
- fdlist[fdcount++] = fd;\r
- if (rwx & 1)\r
- FD_SET_MAX(fd, maxfd, rset);\r
- if (rwx & 2)\r
- FD_SET_MAX(fd, maxfd, wset);\r
- if (rwx & 4)\r
- FD_SET_MAX(fd, maxfd, xset);\r
- }\r
-\r
- do {\r
- ret = select(maxfd, &rset, &wset, &xset, NULL);\r
- } while (ret < 0 && errno == EINTR);\r
-\r
- if (ret < 0) {\r
- perror("select");\r
- exit(1);\r
- }\r
-\r
- for (i = 0; i < fdcount; i++) {\r
- fd = fdlist[i];\r
- /*\r
- * We must process exceptional notifications before\r
- * ordinary readability ones, or we may go straight\r
- * past the urgent marker.\r
- */\r
- if (FD_ISSET(fd, &xset))\r
- select_result(fd, 4);\r
- if (FD_ISSET(fd, &rset))\r
- select_result(fd, 1);\r
- if (FD_ISSET(fd, &wset))\r
- select_result(fd, 2);\r
- }\r
-\r
- sfree(fdlist);\r
-\r
- return 0;\r
-}\r
-\r
-/*\r
- * Main program: do platform-specific initialisation and then call\r
- * psftp_main().\r
- */\r
-int main(int argc, char *argv[])\r
-{\r
- uxsel_init();\r
- return psftp_main(argc, argv);\r
-}\r
+/*
+ * 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 <glob.h>
+#ifndef HAVE_NO_SYS_SELECT_H
+#include <sys/select.h>
+#endif
+
+#include "putty.h"
+#include "ssh.h"
+#include "psftp.h"
+#include "int64.h"
+
+/*
+ * In PSFTP our selects are synchronous, so these functions are
+ * empty stubs.
+ */
+int uxsel_input_add(int fd, int rwx) { return 0; }
+void uxsel_input_remove(int id) { }
+
+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 int platform_uses_x11_unix_by_default = TRUE;
+
+/*
+ * Default settings that are specific to PSFTP.
+ */
+char *platform_default_s(const char *name)
+{
+ return NULL;
+}
+
+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("");
+}
+
+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
+ * 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;
+ int 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.
+ */
+ size = size * 3 / 2;
+ buffer = sresize(buffer, size, char);
+ }
+}
+
+struct RFile {
+ int fd;
+};
+
+RFile *open_existing_file(char *name, uint64 *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 = 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;
+}
+
+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(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(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;
+ 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 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;
+
+ 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(char *name)
+{
+ DIR *dir;
+ DirHandle *ret;
+
+ dir = opendir(name);
+ if (!dir)
+ 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(char *name, int 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 {
+ 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.
+ */
+struct WildcardMatcher {
+ glob_t globbed;
+ int i;
+};
+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)
+{
+ return mkdir(name, 0777) == 0;
+}
+
+char *dir_file_cat(char *dir, char *file)
+{
+ return dupcat(dir, "/", file, NULL);
+}
+
+/*
+ * Do a select() between all currently active network fds and
+ * optionally stdin.
+ */
+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;
+
+ do {
+
+ /* Count the currently active fds. */
+ i = 0;
+ for (fd = first_fd(&fdstate, &rwx); fd >= 0;
+ fd = next_fd(&fdstate, &rwx)) i++;
+
+ if (i < 1 && !no_fds_ok)
+ return -1; /* doom */
+
+ /* Expand the fdlist buffer if necessary. */
+ if (i > fdsize) {
+ fdsize = i + 16;
+ fdlist = sresize(fdlist, fdsize, int);
+ }
+
+ 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");
+ exit(1);
+ }
+
+ for (i = 0; i < fdcount; i++) {
+ fd = fdlist[i];
+ /*
+ * We must process exceptional notifications before
+ * ordinary readability ones, or we may go straight
+ * past the urgent marker.
+ */
+ if (FD_ISSET(fd, &xset))
+ select_result(fd, 4);
+ if (FD_ISSET(fd, &rset))
+ select_result(fd, 1);
+ if (FD_ISSET(fd, &wset))
+ select_result(fd, 2);
+ }
+
+ sfree(fdlist);
+
+ 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().
+ */
+int main(int argc, char *argv[])
+{
+ uxsel_init();
+ return psftp_main(argc, argv);
+}
projects / u / mdw / putty / blobdiff