X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/31e125226d429c2f6df010a9277bb9ebfdc2cf54..2c91d3d3110287ccc14a42031228cf3dca292fd3:/util.c diff --git a/util.c b/util.c index 4d293f22..f74228ef 100644 --- a/util.c +++ b/util.c @@ -32,7 +32,7 @@ int num_waiting(int fd) } -struct map_struct *map_file(int fd,off_t len) +struct map_struct *map_file(int fd,OFF_T len) { struct map_struct *ret; ret = (struct map_struct *)malloc(sizeof(*ret)); @@ -47,14 +47,18 @@ struct map_struct *map_file(int fd,off_t len) ret->p_len = 0; #ifdef HAVE_MMAP - if (len < MAX_MAP_SIZE) - ret->map = (char *)mmap(NULL,len,PROT_READ,MAP_SHARED,fd,0); + if (len < MAX_MAP_SIZE) { + ret->map = (char *)mmap(NULL,len,PROT_READ,MAP_SHARED,fd,0); + if (ret->map == (char *)-1) { + ret->map = NULL; + } + } #endif return ret; } -char *map_ptr(struct map_struct *map,off_t offset,int len) +char *map_ptr(struct map_struct *map,OFF_T offset,int len) { int nread = -2; @@ -83,9 +87,9 @@ char *map_ptr(struct map_struct *map,off_t offset,int len) map->p_size = len; } - if (lseek(map->fd,offset,SEEK_SET) != offset || + if (do_lseek(map->fd,offset,SEEK_SET) != offset || (nread=read(map->fd,map->p,len)) != len) { - fprintf(FERROR,"EOF in map_ptr! (offset=%d len=%d nread=%d errno=%d)\n", + rprintf(FERROR,"EOF in map_ptr! (offset=%d len=%d nread=%d errno=%d)\n", (int)offset, len, nread, errno); exit_cleanup(1); } @@ -117,14 +121,14 @@ int piped_child(char **command,int *f_in,int *f_out) if (pipe(to_child_pipe) < 0 || pipe(from_child_pipe) < 0) { - fprintf(FERROR,"pipe: %s\n",strerror(errno)); + rprintf(FERROR,"pipe: %s\n",strerror(errno)); exit_cleanup(1); } pid = do_fork(); if (pid < 0) { - fprintf(FERROR,"fork: %s\n",strerror(errno)); + rprintf(FERROR,"fork: %s\n",strerror(errno)); exit_cleanup(1); } @@ -135,21 +139,21 @@ int piped_child(char **command,int *f_in,int *f_out) close(to_child_pipe[1]) < 0 || close(from_child_pipe[0]) < 0 || dup2(from_child_pipe[1], STDOUT_FILENO) < 0) { - fprintf(FERROR,"Failed to dup/close : %s\n",strerror(errno)); + rprintf(FERROR,"Failed to dup/close : %s\n",strerror(errno)); exit_cleanup(1); } 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); execvp(command[0], command); - fprintf(FERROR,"Failed to exec %s : %s\n", + rprintf(FERROR,"Failed to exec %s : %s\n", command[0],strerror(errno)); exit_cleanup(1); } if (close(from_child_pipe[1]) < 0 || close(to_child_pipe[0]) < 0) { - fprintf(FERROR,"Failed to close : %s\n",strerror(errno)); + rprintf(FERROR,"Failed to close : %s\n",strerror(errno)); exit_cleanup(1); } @@ -159,10 +163,67 @@ int piped_child(char **command,int *f_in,int *f_out) return pid; } +int local_child(int argc, char **argv,int *f_in,int *f_out) +{ + int pid; + int to_child_pipe[2]; + int from_child_pipe[2]; + + if (pipe(to_child_pipe) < 0 || + pipe(from_child_pipe) < 0) { + rprintf(FERROR,"pipe: %s\n",strerror(errno)); + exit_cleanup(1); + } + + + pid = do_fork(); + if (pid < 0) { + rprintf(FERROR,"fork: %s\n",strerror(errno)); + exit_cleanup(1); + } + + if (pid == 0) { + extern int am_sender; + extern int am_server; + + am_sender = !am_sender; + am_server = 1; + + 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(1); + } + if (to_child_pipe[0] != STDIN_FILENO) close(to_child_pipe[0]); + if (from_child_pipe[1] != STDOUT_FILENO) close(from_child_pipe[1]); + start_server(STDIN_FILENO, STDOUT_FILENO, argc, argv); + } + + if (close(from_child_pipe[1]) < 0 || + close(to_child_pipe[0]) < 0) { + rprintf(FERROR,"Failed to close : %s\n",strerror(errno)); + exit_cleanup(1); + } + + *f_in = from_child_pipe[0]; + *f_out = to_child_pipe[1]; + + return pid; +} + + void out_of_memory(char *str) { - fprintf(FERROR,"out of memory in %s\n",str); + rprintf(FERROR,"ERROR: out of memory in %s\n",str); + exit_cleanup(1); +} + +void overflow(char *str) +{ + rprintf(FERROR,"ERROR: buffer overflow in %s\n",str); exit_cleanup(1); } @@ -241,7 +302,7 @@ int create_directory_path(char *fname) p = fname; while ((p=strchr(p,'/'))) { *p = 0; - mkdir(fname,0777 & ~orig_umask); + do_mkdir(fname,0777 & ~orig_umask); *p = '/'; p++; } @@ -309,20 +370,20 @@ int copy_file(char *source, char *dest, mode_t mode) ifd = open(source, O_RDONLY); if (ifd == -1) { - fprintf(FERROR,"open %s: %s\n", + rprintf(FERROR,"open %s: %s\n", source,strerror(errno)); return -1; } if (do_unlink(dest) && errno != ENOENT) { - fprintf(FERROR,"unlink %s: %s\n", + rprintf(FERROR,"unlink %s: %s\n", dest,strerror(errno)); return -1; } ofd = do_open(dest, O_WRONLY | O_CREAT | O_TRUNC | O_EXCL, mode); if (ofd < 0) { - fprintf(FERROR,"open %s: %s\n", + rprintf(FERROR,"open %s: %s\n", dest,strerror(errno)); close(ifd); return -1; @@ -330,7 +391,7 @@ int copy_file(char *source, char *dest, mode_t mode) while ((len = safe_read(ifd, buf, sizeof(buf))) > 0) { if (full_write(ofd, buf, len) < 0) { - fprintf(FERROR,"write %s: %s\n", + rprintf(FERROR,"write %s: %s\n", dest,strerror(errno)); close(ifd); close(ofd); @@ -342,7 +403,7 @@ int copy_file(char *source, char *dest, mode_t mode) close(ofd); if (len < 0) { - fprintf(FERROR,"read %s: %s\n", + rprintf(FERROR,"read %s: %s\n", source,strerror(errno)); return -1; } @@ -384,3 +445,4 @@ void kill_all(int sig) kill(all_pids[i], sig); } } +