+static char *getpassf(char *filename)
+{
+ char buffer[100];
+ int fd=0;
+ STRUCT_STAT st;
+ int ok = 1;
+ extern int am_root;
+ char *envpw=getenv("RSYNC_PASSWORD");
+
+ if (!filename) return NULL;
+
+ if ( (fd=open(filename,O_RDONLY)) == -1) {
+ rprintf(FERROR,"could not open password file \"%s\"\n",filename);
+ if (envpw) rprintf(FERROR,"falling back to RSYNC_PASSWORD environment variable.\n");
+ return NULL;
+ }
+
+ if (do_stat(filename, &st) == -1) {
+ rprintf(FERROR,"stat(%s) : %s\n", filename, strerror(errno));
+ ok = 0;
+ } else if ((st.st_mode & 06) != 0) {
+ rprintf(FERROR,"password file must not be other-accessible\n");
+ ok = 0;
+ } else if (am_root && (st.st_uid != 0)) {
+ rprintf(FERROR,"password file must be owned by root when running as root\n");
+ ok = 0;
+ }
+ if (!ok) {
+ rprintf(FERROR,"continuing without password file\n");
+ if (envpw) rprintf(FERROR,"using RSYNC_PASSWORD environment variable.\n");
+ close(fd);
+ return NULL;
+ }
+
+ if (envpw) rprintf(FERROR,"RSYNC_PASSWORD environment variable ignored\n");
+
+ buffer[sizeof(buffer)-1]='\0';
+ if (read(fd,buffer,sizeof(buffer)-1) > 0)
+ {
+ char *p = strtok(buffer,"\n\r");
+ close(fd);
+ if (p) p = strdup(p);
+ return p;
+ }
+
+ return NULL;
+}
+