X-Git-Url: https://git.tld-linux.org/?p=packages%2Fdialog.git;a=blobdiff_plain;f=escaping_fix.patch;fp=escaping_fix.patch;h=2dffd8c1116179b0defad3cee95b5d8fec3f2f76;hp=0000000000000000000000000000000000000000;hb=b84d13e38bd45bb262e3e07c73a637f4982b8795;hpb=d0df2a057355d0453106cc75e3dc6cd51da91c29

diff --git a/escaping_fix.patch b/escaping_fix.patch
new file mode 100644
index 0000000..2dffd8c
--- /dev/null
+++ b/escaping_fix.patch
@@ -0,0 +1,134 @@
+diff -ur dialog-1.3-20160209.orig/argv.c dialog-1.3-20160209/argv.c
+--- dialog-1.3-20160209.orig/argv.c	2015-05-13 00:34:39.000000000 +0000
++++ dialog-1.3-20160209/argv.c	2016-02-11 10:41:08.705828223 +0000
+@@ -55,12 +55,18 @@
+ 		    ++count;
+ 		    inparm = TRUE;
+ 		}
+-	    } else if (!quoted && isspace(UCH(blob[n]))) {
+-		if (inparm) {
++	    } else if (blob[n] == '\\') {
++		if (quoted && !isspace(UCH(blob[n + 1]))) {
+ 		    if (pass) {
+-			*param++ = '\0';
++			*param++ = blob[n];
++			*param++ = blob[n + 1];
+ 		    }
+-		    inparm = FALSE;
++		}
++		++n;
++	    } else if (!quoted && isspace(UCH(blob[n]))) {
++		inparm = FALSE;
++		if (pass) {
++		    *param++ = '\0';
+ 		}
+ 	    } else {
+ 		if (!inparm) {
+@@ -69,10 +75,6 @@
+ 		    ++count;
+ 		    inparm = TRUE;
+ 		}
+-		if (blob[n] == '\\') {
+-		    if (++n == length)
+-			break;	/* The string is terminated by a backslash */
+-		}
+ 		if (pass) {
+ 		    *param++ = blob[n];
+ 		}
+diff -ur dialog-1.3-20160209.orig/dialog.c dialog-1.3-20160209/dialog.c
+--- dialog-1.3-20160209.orig/dialog.c	2016-02-09 00:05:39.000000000 +0000
++++ dialog-1.3-20160209/dialog.c	2016-02-11 10:41:08.707828223 +0000
+@@ -421,58 +421,49 @@
+ 		    blob[length] = '\0';
+ 
+ 		    list = dlg_string_to_argv(blob);
+-		    added = dlg_count_argv(list);
+-		    if (added > 2) {
+-			/* *argcp arguments before the expansion of --file
+-			   - 2 for the removal of '--file <filepath>'
+-			   + added for the arguments contained in <filepath>
+-			   + 1 for the terminating NULL pointer */
+-			size_t need = (size_t) (*argcp + added - 1);
+-			if (doalloc) {
+-			    *argvp = dlg_realloc(char *, need, *argvp);
+-			    assert_ptr(*argvp, "unescape_argv");
+-			} else {
+-			    char **newp = dlg_malloc(char *, need);
+-			    assert_ptr(newp, "unescape_argv");
+-			    for (n = 0; n < *argcp; ++n) {
+-				newp[n] = (*argvp)[n];
++		    if ((added = dlg_count_argv(list)) != 0) {
++			if (added > 2) {
++			    size_t need = (size_t) (*argcp + added + 1);
++			    if (doalloc) {
++				*argvp = dlg_realloc(char *, need, *argvp);
++				assert_ptr(*argvp, "unescape_argv");
++			    } else {
++				char **newp = dlg_malloc(char *, need);
++				assert_ptr(newp, "unescape_argv");
++				for (n = 0; n < *argcp; ++n) {
++				    newp[n] = (*argvp)[n];
++				}
++				*argvp = newp;
++				doalloc = TRUE;
+ 			    }
+-			    /* The new array is not NULL-terminated yet. */
+-			    *argvp = newp;
+-			    doalloc = TRUE;
++			    dialog_opts = dlg_realloc(bool, need, dialog_opts);
++			    assert_ptr(dialog_opts, "unescape_argv");
+ 			}
+-			dialog_opts = dlg_realloc(bool, need, dialog_opts);
+-			assert_ptr(dialog_opts, "unescape_argv");
+-
+-			/* Shift the arguments after '--file <filepath>'
+-			   right by (added - 2) positions */
+-			for (n = *argcp - 1; n >= j + 2; --n) {
+-			    (*argvp)[n + added - 2] = (*argvp)[n];
+-			    dialog_opts[n + added - 2] = dialog_opts[n];
++			if (added > 2) {
++			    for (n = *argcp; n >= j + 2; --n) {
++				(*argvp)[n + added - 2] = (*argvp)[n];
++				dialog_opts[n + added - 2] = dialog_opts[n];
++			    }
++			} else if (added == 1) {
++			    for (n = j; n < *argcp; ++n) {
++				(*argvp)[n] = (*argvp)[n + 1];
++				dialog_opts[n] = dialog_opts[n + 1];
++			    }
+ 			}
+-		    } else if (added < 2) {
+-			/* 0 or 1 argument read from the included file
+-			   -> shift the arguments after '--file <filepath>'
+-			   left by (2 - added) positions */
+-			for (n = j + added; n + 2 - added < *argcp; ++n) {
+-			    (*argvp)[n] = (*argvp)[n + 2 - added];
+-			    dialog_opts[n] = dialog_opts[n + 2 - added];
++			for (n = 0; n < added; ++n) {
++			    (*argvp)[n + j] = list[n];
++			    dialog_opts[n + j] = FALSE;
+ 			}
++			*argcp += added - 2;
++			free(list);
++			--j;	/* force rescan */
+ 		    }
+-		    /* Copy the inserted arguments to *argvp */
+-		    for (n = 0; n < added; ++n) {
+-			(*argvp)[n + j] = list[n];
+-			dialog_opts[n + j] = FALSE;
+-		    }
+-		    *argcp += added - 2;
+-		    (*argvp)[*argcp] = 0;	/* Write the NULL terminator */
+-		    free(list);	/* No-op if 'list' is NULL */
+-		    /* Force rescan starting from the first inserted argument */
+-		    --j;
+-		    continue;
+ 		} else {
+ 		    dlg_exiterr("Cannot open --file %s", filename);
+ 		}
++		(*argvp)[*argcp] = 0;
++		++j;
++		continue;
+ 	    } else {
+ 		dlg_exiterr("No value given for --file");
+ 	    }