X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/7796395a0aaa485ef4aa6e2dea1023ee3a273d36..2b6b4d539b0aab98b1cbb9d8c639cb12473aae94:/rsync.c diff --git a/rsync.c b/rsync.c index 16f80ed5..1621995b 100644 --- a/rsync.c +++ b/rsync.c @@ -49,6 +49,8 @@ extern int delete_mode; extern int cvs_exclude; extern int am_root; extern int relative_paths; +extern int io_timeout; +extern int io_error; /* free a sums struct @@ -60,6 +62,73 @@ static void free_sums(struct sum_struct *s) } +/* + * delete a file or directory. If force_delet is set then delete + * recursively + */ +static int delete_file(char *fname) +{ + DIR *d; + struct dirent *di; + char buf[MAXPATHLEN]; + extern int force_delete; + STRUCT_STAT st; + int ret; + + if (do_unlink(fname) == 0 || errno == ENOENT) return 0; + +#if SUPPORT_LINKS + ret = do_lstat(fname, &st); +#else + ret = do_stat(fname, &st); +#endif + if (ret) { + rprintf(FERROR,"stat(%s) : %s\n", fname, strerror(errno)); + return -1; + } + + if (!S_ISDIR(st.st_mode)) { + rprintf(FERROR,"unlink(%s) : %s\n", fname, strerror(errno)); + return -1; + } + + if (do_rmdir(fname) == 0 || errno == ENOENT) return 0; + if (!force_delete || (errno != ENOTEMPTY && errno != EEXIST)) { + rprintf(FERROR,"rmdir(%s) : %s\n", fname, strerror(errno)); + return -1; + } + + /* now we do a recsursive delete on the directory ... */ + d = opendir(fname); + if (!d) { + rprintf(FERROR,"opendir(%s): %s\n", + fname,strerror(errno)); + return -1; + } + + for (di=readdir(d); di; di=readdir(d)) { + char *dname = d_name(di); + if (strcmp(dname,".")==0 || + strcmp(dname,"..")==0) + continue; + slprintf(buf, sizeof(buf)-1, "%s/%s", fname, dname); + if (verbose > 0) + rprintf(FINFO,"deleting %s\n", buf); + if (delete_file(buf) != 0) { + closedir(d); + return -1; + } + } + + closedir(d); + + if (do_rmdir(fname) != 0) { + rprintf(FERROR,"rmdir(%s) : %s\n", fname, strerror(errno)); + return -1; + } + + return 0; +} /* send a sums struct down a fd @@ -87,14 +156,14 @@ static void send_sums(struct sum_struct *s,int f_out) generate approximately one checksum every n bytes */ -static struct sum_struct *generate_sums(struct map_struct *buf,off_t len,int n) +static struct sum_struct *generate_sums(struct map_struct *buf,OFF_T len,int n) { int i; struct sum_struct *s; int count; int block_len = n; int remainder = (len%block_len); - off_t offset = 0; + OFF_T offset = 0; count = (len+(block_len-1))/block_len; @@ -112,7 +181,7 @@ static struct sum_struct *generate_sums(struct map_struct *buf,off_t len,int n) } if (verbose > 3) - fprintf(FERROR,"count=%d rem=%d n=%d flength=%d\n", + rprintf(FINFO,"count=%d rem=%d n=%d flength=%d\n", s->count,s->remainder,s->n,(int)s->flength); s->sums = (struct sum_buf *)malloc(sizeof(s->sums[0])*s->count); @@ -130,7 +199,7 @@ static struct sum_struct *generate_sums(struct map_struct *buf,off_t len,int n) s->sums[i].i = i; if (verbose > 3) - fprintf(FERROR,"chunk[%d] offset=%d len=%d sum1=%08x\n", + rprintf(FINFO,"chunk[%d] offset=%d len=%d sum1=%08x\n", i,(int)s->sums[i].offset,s->sums[i].len,s->sums[i].sum1); len -= n1; @@ -148,7 +217,7 @@ static struct sum_struct *receive_sums(int f) { struct sum_struct *s; int i; - off_t offset = 0; + OFF_T offset = 0; s = (struct sum_struct *)malloc(sizeof(*s)); if (!s) out_of_memory("receive_sums"); @@ -159,7 +228,7 @@ static struct sum_struct *receive_sums(int f) s->sums = NULL; if (verbose > 3) - fprintf(FERROR,"count=%d n=%d rem=%d\n", + rprintf(FINFO,"count=%d n=%d rem=%d\n", s->count,s->n,s->remainder); if (s->count == 0) @@ -183,7 +252,7 @@ static struct sum_struct *receive_sums(int f) offset += s->sums[i].len; if (verbose > 3) - fprintf(FERROR,"chunk[%d] len=%d offset=%d sum1=%08x\n", + rprintf(FINFO,"chunk[%d] len=%d offset=%d sum1=%08x\n", i,s->sums[i].len,(int)s->sums[i].offset,s->sums[i].sum1); } @@ -193,17 +262,18 @@ static struct sum_struct *receive_sums(int f) } -static int set_perms(char *fname,struct file_struct *file,struct stat *st, +static int set_perms(char *fname,struct file_struct *file,STRUCT_STAT *st, int report) { int updated = 0; - struct stat st2; + STRUCT_STAT st2; + extern int am_daemon; if (dry_run) return 0; if (!st) { if (link_stat(fname,&st2) != 0) { - fprintf(FERROR,"stat %s : %s\n",fname,strerror(errno)); + rprintf(FERROR,"stat %s : %s\n",fname,strerror(errno)); return 0; } st = &st2; @@ -213,7 +283,7 @@ static int set_perms(char *fname,struct file_struct *file,struct stat *st, st->st_mtime != file->modtime) { updated = 1; if (set_modtime(fname,file->modtime) != 0) { - fprintf(FERROR,"failed to set times on %s : %s\n", + rprintf(FERROR,"failed to set times on %s : %s\n", fname,strerror(errno)); return 0; } @@ -224,30 +294,34 @@ static int set_perms(char *fname,struct file_struct *file,struct stat *st, st->st_mode != file->mode) { updated = 1; if (do_chmod(fname,file->mode) != 0) { - fprintf(FERROR,"failed to set permissions on %s : %s\n", + rprintf(FERROR,"failed to set permissions on %s : %s\n", fname,strerror(errno)); return 0; } } #endif - if ((am_root && preserve_uid && st->st_uid != file->uid) || - (preserve_gid && st->st_gid != file->gid)) { - updated = 1; - if (do_lchown(fname, - (am_root&&preserve_uid)?file->uid:-1, - preserve_gid?file->gid:-1) != 0) { - if (verbose>1 || preserve_uid) - fprintf(FERROR,"chown %s : %s\n",fname,strerror(errno)); - return updated; - } + if ((am_root || !am_daemon) && + ((am_root && preserve_uid && st->st_uid != file->uid) || + (preserve_gid && st->st_gid != file->gid))) { + if (do_lchown(fname, + (am_root&&preserve_uid)?file->uid:-1, + preserve_gid?file->gid:-1) != 0) { + if (preserve_uid && st->st_uid != file->uid) + updated = 1; + if (verbose>1 || preserve_uid) + rprintf(FERROR,"chown %s : %s\n", + fname,strerror(errno)); + return updated; + } + updated = 1; } if (verbose > 1 && report) { - if (updated) - fprintf(FINFO,"%s\n",fname); - else - fprintf(FINFO,"%s is uptodate\n",fname); + if (updated) + rprintf(FINFO,"%s\n",fname); + else + rprintf(FINFO,"%s is uptodate\n",fname); } return updated; } @@ -255,7 +329,7 @@ static int set_perms(char *fname,struct file_struct *file,struct stat *st, /* choose whether to skip a particular file */ static int skip_file(char *fname, - struct file_struct *file, struct stat *st) + struct file_struct *file, STRUCT_STAT *st) { if (st->st_size != file->length) { return 0; @@ -290,14 +364,14 @@ int adapt_block_size(struct file_struct *file, int bsize) void recv_generator(char *fname,struct file_list *flist,int i,int f_out) { int fd; - struct stat st; + STRUCT_STAT st; struct map_struct *buf; struct sum_struct *s; int statret; struct file_struct *file = flist->files[i]; if (verbose > 2) - fprintf(FERROR,"recv_generator(%s,%d)\n",fname,i); + rprintf(FINFO,"recv_generator(%s,%d)\n",fname,i); statret = link_stat(fname,&st); @@ -305,21 +379,21 @@ void recv_generator(char *fname,struct file_list *flist,int i,int f_out) if (dry_run) return; if (statret == 0 && !S_ISDIR(st.st_mode)) { if (do_unlink(fname) != 0) { - fprintf(FERROR,"unlink %s : %s\n",fname,strerror(errno)); + rprintf(FERROR,"unlink %s : %s\n",fname,strerror(errno)); return; } statret = -1; } - if (statret != 0 && mkdir(fname,file->mode) != 0 && errno != EEXIST) { + if (statret != 0 && do_mkdir(fname,file->mode) != 0 && errno != EEXIST) { if (!(relative_paths && errno==ENOENT && create_directory_path(fname)==0 && - mkdir(fname,file->mode)==0)) { - fprintf(FERROR,"mkdir %s : %s (2)\n", + do_mkdir(fname,file->mode)==0)) { + rprintf(FERROR,"mkdir %s : %s (2)\n", fname,strerror(errno)); } } if (set_perms(fname,file,NULL,0) && verbose) - fprintf(FINFO,"%s/\n",fname); + rprintf(FINFO,"%s/\n",fname); return; } @@ -337,14 +411,14 @@ void recv_generator(char *fname,struct file_list *flist,int i,int f_out) } } } - do_unlink(fname); + delete_file(fname); if (do_symlink(file->link,fname) != 0) { - fprintf(FERROR,"link %s -> %s : %s\n", + rprintf(FERROR,"link %s -> %s : %s\n", fname,file->link,strerror(errno)); } else { set_perms(fname,file,NULL,0); if (verbose) - fprintf(FINFO,"%s -> %s\n", + rprintf(FINFO,"%s -> %s\n", fname,file->link); } #endif @@ -356,16 +430,16 @@ void recv_generator(char *fname,struct file_list *flist,int i,int f_out) if (statret != 0 || st.st_mode != file->mode || st.st_rdev != file->rdev) { - do_unlink(fname); + delete_file(fname); if (verbose > 2) - fprintf(FERROR,"mknod(%s,0%o,0x%x)\n", + rprintf(FINFO,"mknod(%s,0%o,0x%x)\n", fname,(int)file->mode,(int)file->rdev); if (do_mknod(fname,file->mode,file->rdev) != 0) { - fprintf(FERROR,"mknod %s : %s\n",fname,strerror(errno)); + rprintf(FERROR,"mknod %s : %s\n",fname,strerror(errno)); } else { set_perms(fname,file,NULL,0); if (verbose) - fprintf(FINFO,"%s\n",fname); + rprintf(FINFO,"%s\n",fname); } } else { set_perms(fname,file,&st,1); @@ -376,12 +450,12 @@ void recv_generator(char *fname,struct file_list *flist,int i,int f_out) if (preserve_hard_links && check_hard_link(file)) { if (verbose > 1) - fprintf(FINFO,"%s is a hard link\n",f_name(file)); + rprintf(FINFO,"%s is a hard link\n",f_name(file)); return; } if (!S_ISREG(file->mode)) { - fprintf(FERROR,"skipping non-regular file %s\n",fname); + rprintf(FINFO,"skipping non-regular file %s\n",fname); return; } @@ -391,21 +465,13 @@ void recv_generator(char *fname,struct file_list *flist,int i,int f_out) if (!dry_run) send_sums(NULL,f_out); } else { if (verbose > 1) - fprintf(FERROR,"recv_generator failed to open %s\n",fname); + rprintf(FERROR,"recv_generator failed to open %s\n",fname); } return; } if (!S_ISREG(st.st_mode)) { - /* its not a regular file on the receiving end, but it is on the - sending end. If its a directory then skip it (too dangerous to - do a recursive deletion??) otherwise try to unlink it */ - if (S_ISDIR(st.st_mode)) { - fprintf(FERROR,"ERROR: %s is a directory\n",fname); - return; - } - if (do_unlink(fname) != 0) { - fprintf(FERROR,"%s : not a regular file (generator)\n",fname); + if (delete_file(fname) != 0) { return; } @@ -417,7 +483,7 @@ void recv_generator(char *fname,struct file_list *flist,int i,int f_out) if (update_only && st.st_mtime > file->modtime) { if (verbose > 1) - fprintf(FERROR,"%s is newer\n",fname); + rprintf(FINFO,"%s is newer\n",fname); return; } @@ -441,8 +507,8 @@ void recv_generator(char *fname,struct file_list *flist,int i,int f_out) fd = open(fname,O_RDONLY); if (fd == -1) { - fprintf(FERROR,"failed to open %s : %s\n",fname,strerror(errno)); - fprintf(FERROR,"skipping %s\n",fname); + rprintf(FERROR,"failed to open %s : %s\n",fname,strerror(errno)); + rprintf(FERROR,"skipping %s\n",fname); return; } @@ -453,12 +519,12 @@ void recv_generator(char *fname,struct file_list *flist,int i,int f_out) } if (verbose > 3) - fprintf(FERROR,"gen mapped %s of size %d\n",fname,(int)st.st_size); + rprintf(FINFO,"gen mapped %s of size %d\n",fname,(int)st.st_size); s = generate_sums(buf,st.st_size,adapt_block_size(file, block_size)); if (verbose > 2) - fprintf(FERROR,"sending sums for %d\n",i); + rprintf(FINFO,"sending sums for %d\n",i); write_int(f_out,i); send_sums(s,f_out); @@ -475,8 +541,8 @@ void recv_generator(char *fname,struct file_list *flist,int i,int f_out) static int receive_data(int f_in,struct map_struct *buf,int fd,char *fname) { int i,n,remainder,len,count; - off_t offset = 0; - off_t offset2; + OFF_T offset = 0; + OFF_T offset2; char *data; static char file_sum1[MD4_SUM_LENGTH]; static char file_sum2[MD4_SUM_LENGTH]; @@ -491,12 +557,12 @@ static int receive_data(int f_in,struct map_struct *buf,int fd,char *fname) for (i=recv_token(f_in,&data); i != 0; i=recv_token(f_in,&data)) { if (i > 0) { if (verbose > 3) - fprintf(FERROR,"data recv %d at %d\n",i,(int)offset); + rprintf(FINFO,"data recv %d at %d\n",i,(int)offset); sum_update(data,i); - if (fd != -1 && write_sparse(fd,data,i) != i) { - fprintf(FERROR,"write failed on %s : %s\n",fname,strerror(errno)); + if (fd != -1 && write_file(fd,data,i) != i) { + rprintf(FERROR,"write failed on %s : %s\n",fname,strerror(errno)); exit_cleanup(1); } offset += i; @@ -508,7 +574,7 @@ static int receive_data(int f_in,struct map_struct *buf,int fd,char *fname) len = remainder; if (verbose > 3) - fprintf(FERROR,"chunk[%d] of size %d at %d offset=%d\n", + rprintf(FINFO,"chunk[%d] of size %d at %d offset=%d\n", i,len,(int)offset2,(int)offset); map = map_ptr(buf,offset2,len); @@ -516,8 +582,8 @@ static int receive_data(int f_in,struct map_struct *buf,int fd,char *fname) see_token(map, len); sum_update(map,len); - if (fd != -1 && write_sparse(fd,map,len) != len) { - fprintf(FERROR,"write failed on %s : %s\n",fname,strerror(errno)); + if (fd != -1 && write_file(fd,map,len) != len) { + rprintf(FERROR,"write failed on %s : %s\n",fname,strerror(errno)); exit_cleanup(1); } offset += len; @@ -525,7 +591,7 @@ static int receive_data(int f_in,struct map_struct *buf,int fd,char *fname) } if (fd != -1 && offset > 0 && sparse_end(fd) != 0) { - fprintf(FERROR,"write failed on %s : %s\n",fname,strerror(errno)); + rprintf(FERROR,"write failed on %s : %s\n",fname,strerror(errno)); exit_cleanup(1); } @@ -534,7 +600,7 @@ static int receive_data(int f_in,struct map_struct *buf,int fd,char *fname) if (remote_version >= 14) { read_buf(f_in,file_sum2,MD4_SUM_LENGTH); if (verbose > 2) - fprintf(FERROR,"got file_sum\n"); + rprintf(FINFO,"got file_sum\n"); if (fd != -1 && memcmp(file_sum1,file_sum2,MD4_SUM_LENGTH) != 0) return 0; } @@ -546,72 +612,65 @@ static void delete_one(struct file_struct *f) { if (!S_ISDIR(f->mode)) { if (do_unlink(f_name(f)) != 0) { - fprintf(FERROR,"unlink %s : %s\n",f_name(f),strerror(errno)); + rprintf(FERROR,"unlink %s : %s\n",f_name(f),strerror(errno)); } else if (verbose) { - fprintf(FERROR,"deleting %s\n",f_name(f)); + rprintf(FINFO,"deleting %s\n",f_name(f)); } } else { if (do_rmdir(f_name(f)) != 0) { - if (errno != ENOTEMPTY) - fprintf(FERROR,"rmdir %s : %s\n",f_name(f),strerror(errno)); + if (errno != ENOTEMPTY && errno != EEXIST) + rprintf(FERROR,"rmdir %s : %s\n",f_name(f),strerror(errno)); } else if (verbose) { - fprintf(FERROR,"deleting directory %s\n",f_name(f)); + rprintf(FINFO,"deleting directory %s\n",f_name(f)); } } } -/* yuck! This function wouldn't have been necessary if I had the sorting - algorithm right. Unfortunately fixing the sorting algorithm would introduce - a backward incompatibility as file list indexes are sent over the link. - The aim is to see if a directory has already had the deletion algorithm applied - to it (due to recursion), and if so to skip it. The bisection is to - prevent this being an n^2 algorithm */ -static int delete_already_done(struct file_list *flist,int j) +static struct delete_list { + dev_t dev; + ino_t inode; +} *delete_list; +static int dlist_len, dlist_alloc_len; + +static void add_delete_entry(struct file_struct *file) { - int low=0,high=j-1; - char *name; - char *p; + if (dlist_len == dlist_alloc_len) { + dlist_alloc_len += 1024; + if (!delete_list) { + delete_list = (struct delete_list *)malloc(sizeof(delete_list[0])*dlist_alloc_len); + } else { + delete_list = (struct delete_list *)realloc(delete_list, sizeof(delete_list[0])*dlist_alloc_len); + } + if (!delete_list) out_of_memory("add_delete_entry"); + } - if (j == 0) return 0; + delete_list[dlist_len].dev = file->dev; + delete_list[dlist_len].inode = file->inode; + dlist_len++; - name = strdup(f_name(flist->files[j])); + if (verbose > 3) + rprintf(FINFO,"added %s to delete list\n", f_name(file)); +} - if (!name) { - fprintf(FERROR,"out of memory in delete_already_done"); - exit_cleanup(1); - } +/* yuck! This function wouldn't have been necessary if I had the sorting + algorithm right. Unfortunately fixing the sorting algorithm would introduce + a backward incompatibility as file list indexes are sent over the link. +*/ +static int delete_already_done(struct file_list *flist,int j) +{ + int i; + STRUCT_STAT st; - p = strrchr(name,'/'); - if (!p) { - free(name); - return 0; - } - *p = 0; + if (link_stat(f_name(flist->files[j]), &st)) return 1; - while (low != high) { - int mid = (low+high)/2; - int ret = strcmp(f_name(flist->files[flist_up(flist, mid)]),name); - if (ret == 0) { - free(name); + for (i=0;i 0) { - high=mid; - } else { - low=mid+1; - } - } - - low = flist_up(flist, low); - - if (strcmp(f_name(flist->files[low]),name) == 0) { - free(name); - return 1; } - free(name); return 0; } @@ -621,39 +680,54 @@ static int delete_already_done(struct file_list *flist,int j) to match more closely what most people seem to expect of this option */ static void delete_files(struct file_list *flist) { - struct file_list *local_file_list; - int i, j; + struct file_list *local_file_list; + int i, j; + char *name; - if (cvs_exclude) - add_cvs_excludes(); + if (cvs_exclude) + add_cvs_excludes(); - for (j=0;jcount;j++) { - char *name = f_name(flist->files[j]); + if (io_error) { + rprintf(FINFO,"IO error encountered - skipping file deletion\n"); + return; + } - if (!S_ISDIR(flist->files[j]->mode)) continue; + for (j=0;jcount;j++) { + if (!S_ISDIR(flist->files[j]->mode) || + !(flist->files[j]->flags & FLAG_DELETE)) continue; - if (delete_already_done(flist, j)) continue; + if (remote_version < 19 && + delete_already_done(flist, j)) continue; - if (!(local_file_list = send_file_list(-1,1,&name))) - continue; + name = strdup(f_name(flist->files[j])); - if (verbose > 1) - fprintf(FINFO,"deleting in %s\n", name); + if (!(local_file_list = send_file_list(-1,1,&name))) { + free(name); + continue; + } - for (i=local_file_list->count-1;i>=0;i--) { - if (!local_file_list->files[i]->basename) continue; - if (-1 == flist_find(flist,local_file_list->files[i])) { - delete_one(local_file_list->files[i]); - } - } - flist_free(local_file_list); - } + if (verbose > 1) + rprintf(FINFO,"deleting in %s\n", name); + + for (i=local_file_list->count-1;i>=0;i--) { + if (!local_file_list->files[i]->basename) continue; + if (remote_version < 19 && + S_ISDIR(local_file_list->files[i]->mode)) + add_delete_entry(local_file_list->files[i]); + if (-1 == flist_find(flist,local_file_list->files[i])) { + delete_one(local_file_list->files[i]); + } + } + flist_free(local_file_list); + free(name); + } } static char *cleanup_fname; void exit_cleanup(int code) { + io_flush(); if (cleanup_fname) do_unlink(cleanup_fname); signal(SIGUSR1, SIG_IGN); @@ -672,7 +746,7 @@ void sig_int(void) int recv_files(int f_in,struct file_list *flist,char *local_name,int f_gen) { int fd1,fd2; - struct stat st; + STRUCT_STAT st; char *fname; char fnametmp[MAXPATHLEN]; struct map_struct *buf; @@ -682,7 +756,7 @@ int recv_files(int f_in,struct file_list *flist,char *local_name,int f_gen) int recv_ok; if (verbose > 2) { - fprintf(FERROR,"recv_files(%d) starting\n",flist->count); + rprintf(FINFO,"recv_files(%d) starting\n",flist->count); } if (recurse && delete_mode && !local_name && flist->count>0) { @@ -697,7 +771,7 @@ int recv_files(int f_in,struct file_list *flist,char *local_name,int f_gen) phase++; csum_length = SUM_LENGTH; if (verbose > 2) - fprintf(FERROR,"recv_files phase=%d\n",phase); + rprintf(FINFO,"recv_files phase=%d\n",phase); write_int(f_gen,-1); write_flush(f_gen); continue; @@ -718,20 +792,20 @@ int recv_files(int f_in,struct file_list *flist,char *local_name,int f_gen) } if (verbose > 2) - fprintf(FERROR,"recv_files(%s)\n",fname); + rprintf(FINFO,"recv_files(%s)\n",fname); /* open the file */ fd1 = open(fname,O_RDONLY); - if (fd1 != -1 && fstat(fd1,&st) != 0) { - fprintf(FERROR,"fstat %s : %s\n",fname,strerror(errno)); + if (fd1 != -1 && do_fstat(fd1,&st) != 0) { + rprintf(FERROR,"fstat %s : %s\n",fname,strerror(errno)); receive_data(f_in,NULL,-1,NULL); close(fd1); continue; } if (fd1 != -1 && !S_ISREG(st.st_mode)) { - fprintf(FERROR,"%s : not a regular file (recv_files)\n",fname); + rprintf(FERROR,"%s : not a regular file (recv_files)\n",fname); receive_data(f_in,NULL,-1,NULL); close(fd1); continue; @@ -740,18 +814,12 @@ int recv_files(int f_in,struct file_list *flist,char *local_name,int f_gen) if (fd1 != -1 && st.st_size > 0) { buf = map_file(fd1,st.st_size); if (verbose > 2) - fprintf(FERROR,"recv mapped %s of size %d\n",fname,(int)st.st_size); + rprintf(FINFO,"recv mapped %s of size %d\n",fname,(int)st.st_size); } else { buf = NULL; } /* open tmp file */ - if (strlen(fname) > (MAXPATHLEN-8)) { - fprintf(FERROR,"filename too long\n"); - if (buf) unmap_file(buf); - close(fd1); - continue; - } if (tmpdir) { char *f; f = strrchr(fname,'/'); @@ -759,12 +827,33 @@ int recv_files(int f_in,struct file_list *flist,char *local_name,int f_gen) f = fname; else f++; - sprintf(fnametmp,"%s/%s.XXXXXX",tmpdir,f); + if (strlen(tmpdir)+strlen(f)+10 > MAXPATHLEN) { + rprintf(FERROR,"filename too long\n"); + if (buf) unmap_file(buf); + close(fd1); + continue; + } + slprintf(fnametmp,sizeof(fnametmp)-1, "%s/.%s.XXXXXX",tmpdir,f); } else { - sprintf(fnametmp,"%s.XXXXXX",fname); + char *f = strrchr(fname,'/'); + + if (strlen(fname)+9 > MAXPATHLEN) { + rprintf(FERROR,"filename too long\n"); + if (buf) unmap_file(buf); + close(fd1); + continue; + } + + if (f) { + *f = 0; + slprintf(fnametmp,sizeof(fnametmp)-1,"%s/.%s.XXXXXX",fname,f+1); + *f = '/'; + } else { + slprintf(fnametmp,sizeof(fnametmp)-1,".%s.XXXXXX",fname); + } } - if (NULL == mktemp(fnametmp)) { - fprintf(FERROR,"mktemp %s failed\n",fnametmp); + if (NULL == do_mktemp(fnametmp)) { + rprintf(FERROR,"mktemp %s failed\n",fnametmp); receive_data(f_in,buf,-1,NULL); if (buf) unmap_file(buf); close(fd1); @@ -776,7 +865,7 @@ int recv_files(int f_in,struct file_list *flist,char *local_name,int f_gen) fd2 = do_open(fnametmp,O_WRONLY|O_CREAT|O_EXCL,file->mode); } if (fd2 == -1) { - fprintf(FERROR,"open %s : %s\n",fnametmp,strerror(errno)); + rprintf(FERROR,"open %s : %s\n",fnametmp,strerror(errno)); receive_data(f_in,buf,-1,NULL); if (buf) unmap_file(buf); close(fd1); @@ -798,35 +887,35 @@ int recv_files(int f_in,struct file_list *flist,char *local_name,int f_gen) close(fd2); if (verbose > 2) - fprintf(FERROR,"renaming %s to %s\n",fnametmp,fname); + rprintf(FINFO,"renaming %s to %s\n",fnametmp,fname); if (make_backups) { char fnamebak[MAXPATHLEN]; if (strlen(fname) + strlen(backup_suffix) > (MAXPATHLEN-1)) { - fprintf(FERROR,"backup filename too long\n"); + rprintf(FERROR,"backup filename too long\n"); continue; } - sprintf(fnamebak,"%s%s",fname,backup_suffix); - if (rename(fname,fnamebak) != 0 && errno != ENOENT) { - fprintf(FERROR,"rename %s %s : %s\n",fname,fnamebak,strerror(errno)); + slprintf(fnamebak,sizeof(fnamebak)-1,"%s%s",fname,backup_suffix); + if (do_rename(fname,fnamebak) != 0 && errno != ENOENT) { + rprintf(FERROR,"rename %s %s : %s\n",fname,fnamebak,strerror(errno)); continue; } } /* move tmp file over real file */ - if (rename(fnametmp,fname) != 0) { + if (do_rename(fnametmp,fname) != 0) { if (errno == EXDEV) { /* rename failed on cross-filesystem link. Copy the file instead. */ if (copy_file(fnametmp,fname, file->mode)) { - fprintf(FERROR,"copy %s -> %s : %s\n", + rprintf(FERROR,"copy %s -> %s : %s\n", fnametmp,fname,strerror(errno)); } else { set_perms(fname,file,NULL,0); } do_unlink(fnametmp); } else { - fprintf(FERROR,"rename %s -> %s : %s\n", + rprintf(FERROR,"rename %s -> %s : %s\n", fnametmp,fname,strerror(errno)); do_unlink(fnametmp); } @@ -839,11 +928,11 @@ int recv_files(int f_in,struct file_list *flist,char *local_name,int f_gen) if (!recv_ok) { if (csum_length == SUM_LENGTH) { - fprintf(FERROR,"ERROR: file corruption in %s. File changed during transfer?\n", + rprintf(FERROR,"ERROR: file corruption in %s. File changed during transfer?\n", fname); } else { if (verbose > 1) - fprintf(FERROR,"redoing %s(%d)\n",fname,i); + rprintf(FINFO,"redoing %s(%d)\n",fname,i); write_int(f_gen,i); } } @@ -855,34 +944,33 @@ int recv_files(int f_in,struct file_list *flist,char *local_name,int f_gen) /* now we need to fix any directory permissions that were modified during the transfer */ for (i = 0; i < flist->count; i++) { - struct file_struct *file = flist->files[i]; + file = flist->files[i]; if (!file->basename || !S_ISDIR(file->mode)) continue; recv_generator(f_name(file),flist,i,-1); } if (verbose > 2) - fprintf(FERROR,"recv_files finished\n"); + rprintf(FINFO,"recv_files finished\n"); return 0; } -off_t send_files(struct file_list *flist,int f_out,int f_in) +void send_files(struct file_list *flist,int f_out,int f_in) { int fd; struct sum_struct *s; struct map_struct *buf; - struct stat st; + STRUCT_STAT st; char fname[MAXPATHLEN]; - off_t total=0; int i; struct file_struct *file; int phase = 0; int offset=0; if (verbose > 2) - fprintf(FERROR,"send_files starting\n"); + rprintf(FINFO,"send_files starting\n"); setup_nonblocking(f_in,f_out); @@ -895,7 +983,7 @@ off_t send_files(struct file_list *flist,int f_out,int f_in) write_int(f_out,-1); write_flush(f_out); if (verbose > 2) - fprintf(FERROR,"send_files phase=%d\n",phase); + rprintf(FINFO,"send_files phase=%d\n",phase); continue; } break; @@ -905,20 +993,20 @@ off_t send_files(struct file_list *flist,int f_out,int f_in) fname[0] = 0; if (file->basedir) { - strncpy(fname,file->basedir,MAXPATHLEN-1); - fname[MAXPATHLEN-1] = 0; + strlcpy(fname,file->basedir,MAXPATHLEN-1); if (strlen(fname) == MAXPATHLEN-1) { - fprintf(FERROR, "send_files failed on long-named directory %s\n", + io_error = 1; + rprintf(FERROR, "send_files failed on long-named directory %s\n", fname); - return -1; + return; } - strcat(fname,"/"); + strlcat(fname,"/",MAXPATHLEN-1); offset = strlen(file->basedir)+1; } - strncat(fname,f_name(file),MAXPATHLEN-strlen(fname)); + strlcat(fname,f_name(file),MAXPATHLEN-strlen(fname)); if (verbose > 2) - fprintf(FERROR,"send_files(%d,%s)\n",i,fname); + rprintf(FINFO,"send_files(%d,%s)\n",i,fname); if (dry_run) { if (!am_server && verbose) @@ -929,24 +1017,27 @@ off_t send_files(struct file_list *flist,int f_out,int f_in) s = receive_sums(f_in); if (!s) { - fprintf(FERROR,"receive_sums failed\n"); - return -1; + io_error = 1; + rprintf(FERROR,"receive_sums failed\n"); + return; } fd = open(fname,O_RDONLY); if (fd == -1) { - fprintf(FERROR,"send_files failed to open %s: %s\n", + io_error = 1; + rprintf(FERROR,"send_files failed to open %s: %s\n", fname,strerror(errno)); free_sums(s); continue; } /* map the local file */ - if (fstat(fd,&st) != 0) { - fprintf(FERROR,"fstat failed : %s\n",strerror(errno)); + if (do_fstat(fd,&st) != 0) { + io_error = 1; + rprintf(FERROR,"fstat failed : %s\n",strerror(errno)); free_sums(s); close(fd); - return -1; + return; } if (st.st_size > 0) { @@ -956,7 +1047,7 @@ off_t send_files(struct file_list *flist,int f_out,int f_in) } if (verbose > 2) - fprintf(FERROR,"send_files mapped %s of size %d\n", + rprintf(FINFO,"send_files mapped %s of size %d\n", fname,(int)st.st_size); write_int(f_out,i); @@ -966,7 +1057,7 @@ off_t send_files(struct file_list *flist,int f_out,int f_in) write_int(f_out,s->remainder); if (verbose > 2) - fprintf(FERROR,"calling match_sums %s\n",fname); + rprintf(FINFO,"calling match_sums %s\n",fname); if (!am_server && verbose) printf("%s\n",fname+offset); @@ -980,20 +1071,16 @@ off_t send_files(struct file_list *flist,int f_out,int f_in) free_sums(s); if (verbose > 2) - fprintf(FERROR,"sender finished %s\n",fname); - - total += st.st_size; + rprintf(FINFO,"sender finished %s\n",fname); } if (verbose > 2) - fprintf(FERROR,"send files finished\n"); + rprintf(FINFO,"send files finished\n"); match_report(); write_int(f_out,-1); write_flush(f_out); - - return total; } @@ -1004,7 +1091,7 @@ void generate_files(int f,struct file_list *flist,char *local_name,int f_recv) int phase=0; if (verbose > 2) - fprintf(FERROR,"generator starting pid=%d count=%d\n", + rprintf(FINFO,"generator starting pid=%d count=%d\n", (int)getpid(),flist->count); for (i = 0; i < flist->count; i++) { @@ -1030,11 +1117,15 @@ void generate_files(int f,struct file_list *flist,char *local_name,int f_recv) ignore_times=1; if (verbose > 2) - fprintf(FERROR,"generate_files phase=%d\n",phase); + rprintf(FINFO,"generate_files phase=%d\n",phase); write_int(f,-1); write_flush(f); + /* we expect to just sit around now, so don't exit on a timeout. If we + really get a timeout then the other process should exit */ + io_timeout = 0; + if (remote_version >= 13) { /* in newer versions of the protocol the files can cycle through the system more than once to catch initial checksum errors */ @@ -1046,7 +1137,7 @@ void generate_files(int f,struct file_list *flist,char *local_name,int f_recv) phase++; if (verbose > 2) - fprintf(FERROR,"generate_files phase=%d\n",phase); + rprintf(FINFO,"generate_files phase=%d\n",phase); write_int(f,-1); write_flush(f); @@ -1054,7 +1145,7 @@ void generate_files(int f,struct file_list *flist,char *local_name,int f_recv) if (verbose > 2) - fprintf(FERROR,"generator wrote %ld\n",(long)write_total()); + rprintf(FINFO,"generator wrote %ld\n",(long)write_total()); }