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rpmlint/check-buildroot-during-install.diff

73 lines
2.9 KiB
Diff

--- SpecCheck.py
+++ SpecCheck.py
@@ -32,7 +32,7 @@
prefix_regex = re.compile('^Prefix\s*:\s*([^\s]+)', re.IGNORECASE)
packager_regex = re.compile('^Packager\s*:\s*([^\s]+)', re.IGNORECASE)
make_check_regexp = re.compile('(^|\s|%{?__)make}?\s+(check|test)')
-rm_regex = re.compile('(^|\s)((.*/)?rm|%{?__rm}?) ')
+rm_rf_regex = re.compile('(^|\s)((.*/)?rm|%{?__rm}?) -[fF]?[rR][^/]*$')
rpm_buildroot_regex = re.compile('(\\\*)\${?RPM_BUILD_ROOT}?|(%+){?buildroot}?')
configure_start_regex = re.compile('\./configure')
configure_libdir_spec_regex = re.compile('ln |\./configure[^#]*--libdir=([^\s]+)[^#]*')
@@ -119,6 +140,14 @@
return 1
return 0
+def contains_create_buildroot(line):
+ '''Check if the line is of the form mkdir %{buildroot}.'''
+ line = line.strip()
+ if contains_buildroot(line) and line.startswith("mkdir") and \
+ not line.count("-p"):
+ return True
+ return False
+
class SpecCheck(AbstractCheck.AbstractCheck):
def __init__(self):
@@ -160,6 +167,7 @@
ifarch_depth = -1
current_section = 'package'
buildroot_clean={'clean':0 , 'install':0}
+ buildroot_created={'clean':False , 'install':True}
depscript_override = 0
depgen_disabled = 0
indent_spaces = 0
@@ -200,8 +208,13 @@
printWarning(pkg, 'make-check-outside-check-section', line[:-1])
if current_section in buildroot_clean.keys():
- if contains_buildroot(line) and rm_regex.search(line):
+ if buildroot_created[current_section] and \
+ contains_buildroot(line) and rm_rf_regex.search(line):
buildroot_clean[current_section] = 1
+ buildroot_created[current_section] = False
+
+ if contains_create_buildroot(line):
+ buildroot_created[current_section] = True
if ifarch_regex.search(line):
if_depth = if_depth + 1
@@ -337,6 +350,9 @@
if not buildroot_clean[sect]:
printError(pkg, 'no-cleaning-of-buildroot', '%' + sect)
+ if buildroot_clean['install'] and not buildroot_created['install']:
+ printError(pkg, '%install-no-mkdir-buildroot')
+
if not buildroot:
printError(pkg, 'no-buildroot-tag')
@@ -483,6 +499,12 @@
'''You should clean $RPM_BUILD_ROOT in the %clean section and just after the
beginning of %install section. Use "rm -Rf $RPM_BUILD_ROOT".''',
+'%install-no-mkdir-buildroot',
+"""Your install section removes the buildroot but does not create them
+afterwards in a secure way, which allows attackers to trivially play tricks
+with symlinks on you. use mkdir %buildroot (no -p option!) or don't clean
+the buildroot in %install, because that's anyway already done for you by rpm.""",
+
'rpm-buildroot-usage',
'''$RPM_BUILD_ROOT should not be touched during %build or %prep stage, as it
will break short circuiting.''',