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apk: Fix regex search patterns

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Regex patterns were not being escaped properly so package names
containing characters that could be interpreted as regex symbols
were causing failures.

Fixes: #19714
This commit is contained in:
Kevin Brebanov 2017-02-02 19:51:36 -05:00 • committed by Michael Scherer
commit 5775bb2a4e
2 changed files with 34 additions and 3 deletions
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6
lib/ansible/modules/packaging/os/apk.py
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@ -136,7 +136,7 @@ def query_package(module, name):
def query_latest(module, name):
cmd = "%s version %s" % (APK_PATH, name)
rc, stdout, stderr = module.run_command(cmd, check_rc=False)
search_pattern = "(%s)-[\d\.\w]+-[\d\w]+\s+(.)\s+[\d\.\w]+-[\d\w]+\s+" % (name)
search_pattern = r"(%s)-[\d\.\w]+-[\d\w]+\s+(.)\s+[\d\.\w]+-[\d\w]+\s+" % (re.escape(name))
match = re.search(search_pattern, stdout)
if match and match.group(2) == "<":
return False
@ -145,7 +145,7 @@ def query_latest(module, name):
def query_virtual(module, name):
cmd = "%s -v info --description %s" % (APK_PATH, name)
rc, stdout, stderr = module.run_command(cmd, check_rc=False)
search_pattern = "^%s: virtual meta package" % (name)
search_pattern = r"^%s: virtual meta package" % (re.escape(name))
if re.search(search_pattern, stdout):
return True
return False
@ -167,7 +167,7 @@ def upgrade_packages(module):
rc, stdout, stderr = module.run_command(cmd, check_rc=False)
if rc != 0:
module.fail_json(msg="failed to upgrade packages")
if re.search('^OK', stdout):
if re.search(r'^OK', stdout):
module.exit_json(changed=False, msg="packages already upgraded")
module.exit_json(changed=True, msg="upgraded packages")