-#ifdef HAVE_UTIME_H
- struct utimbuf tbuf;
- tbuf.actime = time(NULL);
- tbuf.modtime = modtime;
- return utime(fname,&tbuf);
-#elif defined(HAVE_UTIME)
- time_t t[2];
- t[0] = time(NULL);
- t[1] = modtime;
- return utime(fname,t);
-#else
- struct timeval t[2];
- t[0].tv_sec = time(NULL);
- t[0].tv_usec = 0;
- t[1].tv_sec = modtime;
- t[1].tv_usec = 0;
- return utimes(fname,t);
-#endif
+ extern int do_progress, am_server;
+
+ if (do_progress && !am_server) {
+ rprintf(FINFO,"\n");
+ }
+ last_ofs = 0;
+}
+
+void show_progress(OFF_T ofs, OFF_T size)
+{
+ extern int do_progress, am_server;
+
+ if (do_progress && !am_server) {
+ if (ofs > last_ofs + 1000) {
+ int pct = (int)((100.0*ofs)/size);
+ rprintf(FINFO,"%.0f (%d%%)\r", (double)ofs, pct);
+ last_ofs = ofs;
+ }
+ }
+}
+
+/* determine if a symlink points outside the current directory tree */
+int unsafe_symlink(char *dest, char *src)
+{
+ char *tok;
+ int depth = 0;
+
+ /* all absolute and null symlinks are unsafe */
+ if (!dest || !(*dest) || (*dest == '/')) return 1;
+
+ src = strdup(src);
+ if (!src) out_of_memory("unsafe_symlink");
+
+ /* find out what our safety margin is */
+ for (tok=strtok(src,"/"); tok; tok=strtok(NULL,"/")) {
+ if (strcmp(tok,"..") == 0) {
+ depth=0;
+ } else if (strcmp(tok,".") == 0) {
+ /* nothing */
+ } else {
+ depth++;
+ }
+ }
+ free(src);
+
+ /* drop by one to account for the filename portion */
+ depth--;
+
+ dest = strdup(dest);
+ if (!dest) out_of_memory("unsafe_symlink");
+
+ for (tok=strtok(dest,"/"); tok; tok=strtok(NULL,"/")) {
+ if (strcmp(tok,"..") == 0) {
+ depth--;
+ } else if (strcmp(tok,".") == 0) {
+ /* nothing */
+ } else {
+ depth++;
+ }
+ /* if at any point we go outside the current directory then
+ stop - it is unsafe */
+ if (depth < 0) break;
+ }
+
+ free(dest);
+ return (depth < 0);