SOURCES/which-2.21-coverity-fixes.patch

@@ -1,65 +1,27 @@
-diff -up which-2.21/tilde/tilde.c.coverity which-2.21/tilde/tilde.c
---- which-2.21/tilde/tilde.c.coverity	2008-01-16 18:51:57.000000000 +0100
-+++ which-2.21/tilde/tilde.c	2021-03-21 11:43:00.338160051 +0100
-@@ -193,10 +193,10 @@ tilde_expand (string)
-      const char *string;
- {
-   char *result;
--  int result_size, result_index;
-+  int result_size = 0, result_index = 0;
+diff -up which-2.21/tilde/tilde.c.me which-2.21/tilde/tilde.c
+--- which-2.21/tilde/tilde.c.me	2018-07-23 14:32:47.002225732 +0200
++++ which-2.21/tilde/tilde.c	2018-07-23 14:49:06.363623898 +0200
+@@ -196,7 +196,8 @@ tilde_expand (string)
+   int result_size, result_index;
  
--  result_index = result_size = 0;
+   result_index = result_size = 0;
 -  if (result = strchr (string, '~'))
 +  result = strchr (string, '~');
 +  if (result)
      result = (char *)xmalloc (result_size = (strlen (string) + 16));
    else
      result = (char *)xmalloc (result_size = (strlen (string) + 1));
-@@ -270,7 +270,7 @@ isolate_tilde_prefix (fname, lenp)
-   char *ret;
-   int i;
- 
--  ret = (char *)xmalloc (strlen (fname));
-+  ret = (char *)xmalloc (strlen (fname) + 1);
- #if defined (__MSDOS__)
-   for (i = 1; fname[i] && fname[i] != '/' && fname[i] != '\\'; i++)
- #else
-diff -up which-2.21/which.c.coverity which-2.21/which.c
---- which-2.21/which.c.coverity	2015-03-19 17:50:24.000000000 +0100
-+++ which-2.21/which.c	2021-03-21 12:19:31.289160885 +0100
-@@ -76,16 +76,16 @@ static int skip_functions = 0, read_func
- 
- static char *find_command_in_path(const char *name, const char *path_list, int *path_index)
- {
--  char *found = NULL, *full_path;
-+  char *found = NULL, *full_path = NULL;
-   int status, name_len;
- 
-   name_len = strlen(name);
-+  char *p;
- 
-   if (!absolute_program(name))
-     absolute_path_given = 0;
-   else
-   {
--    char *p;
-     absolute_path_given = 1;
- 
-     if (abs_path)
-@@ -159,6 +159,7 @@ static char *find_command_in_path(const
-     free(full_path);
+diff -up which-2.21/which.c.me which-2.21/which.c
+diff -up which-2.21/which.c.me which-2.21/which.c
+--- which-2.21/which.c.me	2018-07-23 15:09:04.355222509 +0200
++++ which-2.21/which.c	2018-07-25 14:57:43.696309701 +0200
+@@ -671,6 +671,9 @@ int main(int argc, char *argv[])
+     }
    }
  
-+  name = NULL; p = NULL; path_list = NULL;
-   return (found);
++  if (abs_path)
++    free(abs_path);
++
+   return fail_count;
  }
  
-@@ -540,7 +541,7 @@ int main(int argc, char *argv[])
-   int function_start_type = 0;
-   if (read_alias || read_functions)
-   {
--    char buf[1024];
-+    char buf[1024] = {};
-     int processing_aliases = read_alias;
- 
-     if (isatty(0))

SOURCES/which-2.21-coverity.patch

@@ -0,0 +1,62 @@
+diff -up which-2.21/tilde/tilde.c.coverity2 which-2.21/tilde/tilde.c
+--- which-2.21/tilde/tilde.c.coverity2	2021-03-21 21:04:34.691775991 +0100
++++ which-2.21/tilde/tilde.c	2021-03-21 21:13:36.853129481 +0100
+@@ -193,9 +193,8 @@ tilde_expand (string)
+      const char *string;
+ {
+   char *result;
+-  int result_size, result_index;
++  int result_size = 0, result_index = 0;
+ 
+-  result_index = result_size = 0;
+   result = strchr (string, '~');
+   if (result)
+     result = (char *)xmalloc (result_size = (strlen (string) + 16));
+@@ -271,7 +270,7 @@ isolate_tilde_prefix (fname, lenp)
+   char *ret;
+   int i;
+ 
+-  ret = (char *)xmalloc (strlen (fname));
++  ret = (char *)xmalloc (strlen (fname) + 1);
+ #if defined (__MSDOS__)
+   for (i = 1; fname[i] && fname[i] != '/' && fname[i] != '\\'; i++)
+ #else
+diff -up which-2.21/which.c.coverity2 which-2.21/which.c
+--- which-2.21/which.c.coverity2	2021-03-21 21:04:34.691775991 +0100
++++ which-2.21/which.c	2021-03-21 21:04:34.692775983 +0100
+@@ -76,8 +76,9 @@ static int skip_functions = 0, read_func
+ 
+ static char *find_command_in_path(const char *name, const char *path_list, int *path_index)
+ {
+-  char *found = NULL, *full_path;
++  char *found = NULL, *full_path = NULL;
+   int status, name_len;
++  char *p;
+ 
+   name_len = strlen(name);
+ 
+@@ -85,7 +86,6 @@ static char *find_command_in_path(const
+     absolute_path_given = 0;
+   else
+   {
+-    char *p;
+     absolute_path_given = 1;
+ 
+     if (abs_path)
+@@ -159,6 +159,7 @@ static char *find_command_in_path(const
+     free(full_path);
+   }
+ 
++  name = NULL; p = NULL; path_list = NULL;
+   return (found);
+ }
+ 
+@@ -540,7 +541,7 @@ int main(int argc, char *argv[])
+   int function_start_type = 0;
+   if (read_alias || read_functions)
+   {
+-    char buf[1024];
++    char buf[1024] = {};
+     int processing_aliases = read_alias;
+ 
+     if (isatty(0))

SOURCES/which2.sh

@@ -1,7 +1,14 @@
 # shellcheck shell=sh
 # Initialization script for bash, sh, mksh and ksh
 
-case "$(basename $(readlink /proc/$$/exe))" in
+
+if [ -r /proc/$$/exe ]; then
+    SHELLNAME=$(basename $(readlink /proc/$$/exe))
+else
+    SHELLNAME="unknown"
+fi
+
+case "$SHELLNAME" in
 *ksh*)
     which_declare=""
     which_opt=""

SPECS/which.spec

@@ -1,17 +1,17 @@
 Summary: Displays where a particular program in your path is located
 Name: which
 Version: 2.21
-Release: 29%{?dist}
+Release: 21%{?dist}
 License: GPLv3
 Source0: http://ftp.gnu.org/gnu/which/%{name}-%{version}.tar.gz
 Source1: which2.sh
 Source2: which2.csh
 Patch0: which-2.21-coverity-fixes.patch
-Patch1: which-2.21-path_max.patch
-
+Patch1: which-2.21-coverity.patch
+Patch2: which-2.21-path_max.patch
 Url: https://savannah.gnu.org/projects/which/
-BuildRequires: make
-BuildRequires:  gcc
+Requires: coreutils
+BuildRequires: gcc
 BuildRequires: readline-devel
 
 %description
@@ -21,7 +21,8 @@ the specified program is in your PATH.
 %prep
 %setup -q
 %patch0 -p1 -b .coverity
-%patch1 -p1 -b .path_max
+%patch1 -p1 -b .coverity2
+%patch2 -p1 -b .path_max
 
 %build
 %configure
@@ -43,63 +44,43 @@ rm -f $RPM_BUILD_ROOT%{_infodir}/dir
 %{_mandir}/man1/which.1*
 
 %changelog
-* Mon Mar 27 2023 Than Ngo <than@redhat.com> - 2.21-29
-- Resolves: #2181974, which fails for long path
+* Thu Jul 03 2025 Than Ngo <than@redhat.com> - 2.21-21
+- Add a check to ensure that /proc/$$/exe can be read
+  thanks to mbliss@redhat.com for the report and the proposed patch
+  Resolves: RHEL-101069
 
-* Fri Apr 15 2022 Than Ngo <than@redhat.com> - 2.21-28
-- Resolves: #2050996, error on login when using ksh as the default shell
+* Wed Mar 22 2023 Than Ngo <than@redhat.com> - 2.21-20
+- Related: #2140566, bring test over from Brew dist-git
 
-* Tue Aug 10 2021 Mohan Boddu <mboddu@redhat.com> - 2.21-27
-- Rebuilt for IMA sigs, glibc 2.34, aarch64 flags
-  Related: rhbz#1991688
+* Tue Mar 21 2023 Than Ngo <than@redhat.com> - 2.21-19
+- Resolves: #2140566, which fails for long path
 
-* Fri May 07 2021 Than Ngo <than@redhat.com> - 2.21-26
-- Related: #1940464, fixed unbound variable
+* Mon Apr 11 2022 Than Ngo <than@redhat.com> - 2.21-18
+- Resolves: #2044450 - custom profile generates shell error
 
-* Fri Apr 16 2021 Mohan Boddu <mboddu@redhat.com> - 2.21-25
-- Rebuilt for RHEL 9 BETA on Apr 15th 2021. Related: rhbz#1947937
+* Thu Nov 25 2021 Than Ngo <than@redhat.com> - 2.21-17
+- Resolves: #2025709, check shell correctly 
+- Resolves: #2009547, which treats function contents as aliases when parsing ksh
 
-* Tue Mar 23 2021 Than Ngo <than@redhat.com> - 2.21-24
-- fix regression in zsh
+* Wed May 05 2021 Than Ngo <than@redhat.com> - 2.21-16
+- Related: #1940468, fixed unbound variable
 
-* Sun Mar 21 2021 Than Ngo <than@redhat.com> - 2.21-23
-- improved which2.sh
 
-* Thu Mar 18 2021 Than Ngo <than@redhat.com> - 2.21-22
-- Resolves: #1940464, fixed syntax error testcase: a=b which ls
+* Fri Apr 30 2021 Than Ngo <than@redhat.com> - 2.21-15
+- Related: #1940468, fix error when the user runs which in bash with strict bash environment
 
-* Wed Jan 27 2021 Fedora Release Engineering <releng@fedoraproject.org> - 2.21-21
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
+* Tue Mar 23 2021 Than Ngo <than@redhat.com> - 2.21-14
+- Related: #1940468, fix regression if SHELL=zsh
 
-* Wed Jul 29 2020 Fedora Release Engineering <releng@fedoraproject.org> - 2.21-20
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild
+* Fri Mar 19 2021 Than Ngo <than@redhat.com> - 2.21-13
+- Resolves: #1940468, fixed syntax error caused by testcase: a=b which ls
+  Coverity issue
 
-* Wed Mar 25 2020 Than Ngo <than@redhat.com> - 2.21-19
-- fixed #1817138 - Invalid syntax in /etc/profile.d/which2
+* Tue Nov 19 2019 Than Ngo <than@redhat.com> - 2.21-12
+- Fixed coverity issue
 
-* Tue Mar 24 2020 Than Ngo <than@redhat.com> - 2.21-18
-- set correct alias for mksh
-
-* Fri Jan 31 2020 Fedora Release Engineering <releng@fedoraproject.org> - 2.21-17
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild
-
-* Tue Nov 05 2019 Than Ngo <than@redhat.com> - 2.21-16
-- set correct alias for ksh
-
-* Sat Jul 27 2019 Fedora Release Engineering <releng@fedoraproject.org> - 2.21-15
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
-
-* Mon Feb 04 2019 Than Ngo <than@redhat.com> - 2.21-14
-- bump release 
-
-* Mon Feb 04 2019 Than Ngo <than@redhat.com> - 2.21-13
-- bump release
-
-* Sun Feb 03 2019 Fedora Release Engineering <releng@fedoraproject.org> - 2.21-12
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild
-
-* Thu Jul 26 2018 Than Ngo <than@redhat.com> - 2.21-11
-- fixed more coverity issue
+* Tue Nov 19 2019 Than Ngo <than@redhat.com> - 2.21-11
+- Resolves: #1768506, fix wrong alias
 
 * Mon Jul 23 2018 Than Ngo <than@redhat.com> - 2.21-10
 - Fix coverity issues