X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/9147074d8b6692a23fe4ba30eb2c9b0bf053df69..c579310a009dc21a0f2b378c711980336f79add6:/util.c diff --git a/util.c b/util.c index 1372ed17..c1e04710 100644 --- a/util.c +++ b/util.c @@ -2,7 +2,7 @@ Copyright (C) 1996-2000 by Andrew Tridgell Copyright (C) Paul Mackerras 1996 - Copyright (C) 2001 by Martin Pool + Copyright (C) 2001, 2002 by Martin Pool This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -84,6 +84,26 @@ int fd_pair(int fd[2]) } +static void print_child_argv(char **cmd) +{ + rprintf(FINFO, "opening connection using "); + for (; *cmd; cmd++) { + /* Look for characters that ought to be quoted. This + * is not a great quoting algorithm, but it's + * sufficient for a log message. */ + if (strspn(*cmd, "abcdefghijklmnopqrstuvwxyz" + "ABCDEFGHIJKLMNOPQRSTUVWXYZ" + "0123456789" + ",.-_=+@/") != strlen(*cmd)) { + rprintf(FINFO, "\"%s\" ", *cmd); + } else { + rprintf(FINFO, "%s ", *cmd); + } + } + rprintf(FINFO, "\n"); +} + + /* this is derived from CVS code note that in the child STDIN is set to blocking and STDOUT @@ -94,59 +114,63 @@ int fd_pair(int fd[2]) used to cope with badly broken rsh implementations like the one on solaris. */ -pid_t piped_child(char **command,int *f_in,int *f_out) +pid_t piped_child(char **command, int *f_in, int *f_out) { - pid_t pid; - int to_child_pipe[2]; - int from_child_pipe[2]; - extern int blocking_io; - - if (fd_pair(to_child_pipe) < 0 || - fd_pair(from_child_pipe) < 0) { - rprintf(FERROR,"pipe: %s\n",strerror(errno)); - exit_cleanup(RERR_IPC); - } - - - pid = do_fork(); - if (pid == -1) { - rprintf(FERROR,"fork: %s\n",strerror(errno)); - exit_cleanup(RERR_IPC); - } - - if (pid == 0) - { - extern int orig_umask; - if (dup2(to_child_pipe[0], STDIN_FILENO) < 0 || - close(to_child_pipe[1]) < 0 || - close(from_child_pipe[0]) < 0 || - dup2(from_child_pipe[1], STDOUT_FILENO) < 0) { - rprintf(FERROR,"Failed to dup/close : %s\n",strerror(errno)); - exit_cleanup(RERR_IPC); - } - if (to_child_pipe[0] != STDIN_FILENO) close(to_child_pipe[0]); - if (from_child_pipe[1] != STDOUT_FILENO) close(from_child_pipe[1]); - umask(orig_umask); - set_blocking(STDIN_FILENO); - if (blocking_io) { - set_blocking(STDOUT_FILENO); - } - execvp(command[0], command); - rprintf(FERROR,"Failed to exec %s : %s\n", - command[0],strerror(errno)); - exit_cleanup(RERR_IPC); - } + pid_t pid; + int to_child_pipe[2]; + int from_child_pipe[2]; + extern int blocking_io; + + if (verbose >= 2) { + print_child_argv(command); + } + + if (fd_pair(to_child_pipe) < 0 || fd_pair(from_child_pipe) < 0) { + rprintf(FERROR, "pipe: %s\n", strerror(errno)); + exit_cleanup(RERR_IPC); + } - if (close(from_child_pipe[1]) < 0 || - close(to_child_pipe[0]) < 0) { - rprintf(FERROR,"Failed to close : %s\n",strerror(errno)); - exit_cleanup(RERR_IPC); - } - *f_in = from_child_pipe[0]; - *f_out = to_child_pipe[1]; + pid = do_fork(); + if (pid == -1) { + rprintf(FERROR, "fork: %s\n", strerror(errno)); + exit_cleanup(RERR_IPC); + } - return pid; + if (pid == 0) { + extern int orig_umask; + if (dup2(to_child_pipe[0], STDIN_FILENO) < 0 || + close(to_child_pipe[1]) < 0 || + close(from_child_pipe[0]) < 0 || + dup2(from_child_pipe[1], STDOUT_FILENO) < 0) { + rprintf(FERROR, "Failed to dup/close : %s\n", + strerror(errno)); + exit_cleanup(RERR_IPC); + } + if (to_child_pipe[0] != STDIN_FILENO) + close(to_child_pipe[0]); + if (from_child_pipe[1] != STDOUT_FILENO) + close(from_child_pipe[1]); + umask(orig_umask); + set_blocking(STDIN_FILENO); + if (blocking_io) { + set_blocking(STDOUT_FILENO); + } + execvp(command[0], command); + rprintf(FERROR, "Failed to exec %s : %s\n", + command[0], strerror(errno)); + exit_cleanup(RERR_IPC); + } + + if (close(from_child_pipe[1]) < 0 || close(to_child_pipe[0]) < 0) { + rprintf(FERROR, "Failed to close : %s\n", strerror(errno)); + exit_cleanup(RERR_IPC); + } + + *f_in = from_child_pipe[0]; + *f_out = to_child_pipe[1]; + + return pid; } pid_t local_child(int argc, char **argv,int *f_in,int *f_out) @@ -173,10 +197,7 @@ pid_t local_child(int argc, char **argv,int *f_in,int *f_out) extern int am_sender; extern int am_server; - if (read_batch) - am_sender = 0; - else - am_sender = !am_sender; + am_sender = read_batch ? 0 : !am_sender; am_server = 1; if (dup2(to_child_pipe[0], STDIN_FILENO) < 0 || @@ -219,10 +240,18 @@ void overflow(char *str) -int set_modtime(char *fname,time_t modtime) +int set_modtime(char *fname, time_t modtime) { extern int dry_run; - if (dry_run) return 0; + if (dry_run) + return 0; + + if (verbose > 2) { + rprintf(FINFO, "set modtime of %s to (%ld) %s", + fname, (long) modtime, + asctime(localtime(&modtime))); + } + { #ifdef HAVE_UTIMBUF struct utimbuf tbuf; @@ -275,7 +304,7 @@ int create_directory_path(char *fname) derived from GNU C's cccp.c. */ -static int full_write(int desc, char *ptr, int len) +static int full_write(int desc, char *ptr, size_t len) { int total_written; @@ -301,11 +330,11 @@ static int full_write(int desc, char *ptr, int len) for an error. derived from GNU C's cccp.c. */ -static int safe_read(int desc, char *ptr, int len) +static int safe_read(int desc, char *ptr, size_t len) { int n_chars; - if (len <= 0) + if (len == 0) return len; #ifdef EINTR @@ -538,7 +567,7 @@ static void glob_expand_one(char *s, char **argv, int *argc, int maxargs) globfree(&globbuf); return; } - for (i=0; i<(maxargs - (*argc)) && i 1024*1024) {