diff options
Diffstat (limited to 'debian/patches/bash52-004.diff')
| -rw-r--r-- | debian/patches/bash52-004.diff | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/debian/patches/bash52-004.diff b/debian/patches/bash52-004.diff new file mode 100644 index 0000000..4309e61 --- /dev/null +++ b/debian/patches/bash52-004.diff @@ -0,0 +1,63 @@ + BASH PATCH REPORT + ================= + +Bash-Release: 5.2 +Patch-ID: bash52-004 + +Bug-Reported-by: Antoine <bug-bash@glitchimini.net> +Bug-Reference-ID: <8bd59753-05ff-9b09-2337-2c7f52ded650@glitchimini.net> +Bug-Reference-URL: https://lists.gnu.org/archive/html/bug-bash/2022-10/msg00022.html + +Bug-Description: + +Bash needs to keep better track of nested brace expansions to avoid problems +with quoting and POSIX semantics. + +--- a/patchlevel.h ++++ b/patchlevel.h +@@ -25,6 +25,6 @@ + regexp `^#define[ ]*PATCHLEVEL', since that's what support/mkversion.sh + looks for to find the patch level (for the sccs version string). */ + +-#define PATCHLEVEL 3 ++#define PATCHLEVEL 4 + + #endif /* _PATCHLEVEL_H_ */ +--- a/subst.c ++++ b/subst.c +@@ -1798,6 +1798,9 @@ extract_heredoc_dolbrace_string (string, + return (result); + } + ++#define PARAMEXPNEST_MAX 32 // for now ++static int dbstate[PARAMEXPNEST_MAX]; ++ + /* Extract a parameter expansion expression within ${ and } from STRING. + Obey the Posix.2 rules for finding the ending `}': count braces while + skipping over enclosed quoted strings and command substitutions. +@@ -1828,6 +1831,8 @@ extract_dollar_brace_string (string, sin + if (quoted == Q_HERE_DOCUMENT && dolbrace_state == DOLBRACE_QUOTE && (flags & SX_NOALLOC) == 0) + return (extract_heredoc_dolbrace_string (string, sindex, quoted, flags)); + ++ dbstate[0] = dolbrace_state; ++ + pass_character = 0; + nesting_level = 1; + slen = strlen (string + *sindex) + *sindex; +@@ -1852,6 +1857,8 @@ extract_dollar_brace_string (string, sin + + if (string[i] == '$' && string[i+1] == LBRACE) + { ++ if (nesting_level < PARAMEXPNEST_MAX) ++ dbstate[nesting_level] = dolbrace_state; + nesting_level++; + i += 2; + if (dolbrace_state == DOLBRACE_QUOTE || dolbrace_state == DOLBRACE_WORD) +@@ -1864,6 +1871,7 @@ extract_dollar_brace_string (string, sin + nesting_level--; + if (nesting_level == 0) + break; ++ dolbrace_state = (nesting_level < PARAMEXPNEST_MAX) ? dbstate[nesting_level] : dbstate[0]; /* Guess using initial state */ + i++; + continue; + } |