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rsync: Fix CVE-2017-15994 and CVE-2017-16548
Signed-off-by: Maxim Storchak <m.storchak@gmail.com>
This commit is contained in:
Maxim Storchak
140
net/rsync/patches/005-more-fixes-for-progress-quirks.patch
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140
net/rsync/patches/005-more-fixes-for-progress-quirks.patch
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@@ -0,0 +1,140 @@
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commit ff66fd4bb6cc76488c6ea1e4b651a869847f6375
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Author: Wayne Davison <wayned@samba.org>
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Date: Sat Oct 29 14:47:58 2016 -0700
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More fixes for --progress quirks.
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This patch avoids inconsistent evaluation of options in the
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show_filelist_p() function by turning it into a var. We
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also avoid setting "output_needs_newline" if --quiet was
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specified.
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diff --git a/flist.c b/flist.c
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index 4a9f4e6..54ced36 100644
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--- a/flist.c
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+++ b/flist.c
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@@ -37,6 +37,7 @@ extern int checksum_type;
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extern int module_id;
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extern int ignore_errors;
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extern int numeric_ids;
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+extern int quiet;
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extern int recurse;
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extern int use_qsort;
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extern int xfer_dirs;
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@@ -128,6 +129,7 @@ static char tmp_sum[MAX_DIGEST_LEN];
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static char empty_sum[MAX_DIGEST_LEN];
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static int flist_count_offset; /* for --delete --progress */
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+static int show_filelist_progress;
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static void flist_sort_and_clean(struct file_list *flist, int strip_root);
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static void output_flist(struct file_list *flist);
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@@ -140,15 +142,14 @@ void init_flist(void)
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}
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parse_checksum_choice(); /* Sets checksum_type && xfersum_type */
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checksum_len = csum_len_for_type(checksum_type);
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-}
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-static int show_filelist_p(void)
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-{
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- return INFO_GTE(FLIST, 1) && xfer_dirs && !am_server && !inc_recurse;
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+ show_filelist_progress = INFO_GTE(FLIST, 1) && xfer_dirs && !am_server && !inc_recurse;
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}
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static void start_filelist_progress(char *kind)
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{
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+ if (quiet)
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+ return;
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rprintf(FCLIENT, "%s ... ", kind);
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output_needs_newline = 1;
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rflush(FINFO);
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@@ -156,25 +157,28 @@ static void start_filelist_progress(char *kind)
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static void emit_filelist_progress(int count)
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{
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- output_needs_newline = 0; /* avoid a newline in the middle of this filelist-progress output */
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+ if (quiet)
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+ return;
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+ if (output_needs_newline == 2) /* avoid a newline in the middle of this filelist-progress output */
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+ output_needs_newline = 0;
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rprintf(FCLIENT, " %d files...\r", count);
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- output_needs_newline = 1;
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+ output_needs_newline = 2;
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}
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static void maybe_emit_filelist_progress(int count)
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{
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- if (INFO_GTE(FLIST, 2) && show_filelist_p() && (count % 100) == 0)
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+ if (INFO_GTE(FLIST, 2) && show_filelist_progress && (count % 100) == 0)
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emit_filelist_progress(count);
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}
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static void finish_filelist_progress(const struct file_list *flist)
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{
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+ output_needs_newline = 0;
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if (INFO_GTE(FLIST, 2)) {
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/* This overwrites the progress line */
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rprintf(FINFO, "%d file%sto consider\n",
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flist->used, flist->used == 1 ? " " : "s ");
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} else {
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- output_needs_newline = 0;
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rprintf(FINFO, "done\n");
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}
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}
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@@ -2089,7 +2093,7 @@ struct file_list *send_file_list(int f, int argc, char *argv[])
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int implied_dot_dir = 0;
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rprintf(FLOG, "building file list\n");
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- if (show_filelist_p())
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+ if (show_filelist_progress)
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start_filelist_progress("building file list");
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else if (inc_recurse && INFO_GTE(FLIST, 1) && !am_server)
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rprintf(FCLIENT, "sending incremental file list\n");
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@@ -2363,7 +2367,7 @@ struct file_list *send_file_list(int f, int argc, char *argv[])
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idev_destroy();
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#endif
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- if (show_filelist_p())
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+ if (show_filelist_progress)
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finish_filelist_progress(flist);
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gettimeofday(&end_tv, NULL);
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@@ -2445,7 +2449,7 @@ struct file_list *recv_file_list(int f, int dir_ndx)
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int64 start_read;
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if (!first_flist) {
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- if (show_filelist_p())
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+ if (show_filelist_progress)
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start_filelist_progress("receiving file list");
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else if (inc_recurse && INFO_GTE(FLIST, 1) && !am_server)
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rprintf(FCLIENT, "receiving incremental file list\n");
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@@ -2541,7 +2545,7 @@ struct file_list *recv_file_list(int f, int dir_ndx)
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if (DEBUG_GTE(FLIST, 2))
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rprintf(FINFO, "received %d names\n", flist->used);
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- if (show_filelist_p())
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+ if (show_filelist_progress)
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finish_filelist_progress(flist);
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if (need_unsorted_flist) {
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diff --git a/progress.c b/progress.c
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index 3858fc4..d19fa25 100644
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--- a/progress.c
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+++ b/progress.c
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@@ -25,6 +25,7 @@
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extern int am_server;
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extern int flist_eof;
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+extern int quiet;
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extern int need_unsorted_flist;
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extern int output_needs_newline;
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extern struct stats stats;
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@@ -127,7 +128,7 @@ static void rprint_progress(OFF_T ofs, OFF_T size, struct timeval *now,
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pct = ofs == size ? 100 : (int) (100.0 * ofs / size);
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rprintf(FCLIENT, "\r%15s %3d%% %7.2f%s %s%s",
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human_num(ofs), pct, rate, units, rembuf, eol);
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- if (!is_last) {
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+ if (!is_last && !quiet) {
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output_needs_newline = 1;
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rflush(FCLIENT);
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}
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