contrib: assume binary existence in sec/sym checks

If the binaries don't exist, the Guix build has failed for some other
reason.

There's no need to check for unknown architectures, or executable
formats, as the only ones that could be built are those that we've
configured toolchains for in Guix.

We've also been doing this inconsistently across the two scripts.

2 files changed, 20 insertions, 43 deletions

diff --git a/contrib/devtools/security-check.py b/contrib/devtools/security-check.py
index 94810501be..46f9ee915f 100755
--- a/contrib/devtools/security-check.py
+++ b/contrib/devtools/security-check.py
@@ -248,31 +248,16 @@ CHECKS = {
 if __name__ == '__main__':
     retval: int = 0
     for filename in sys.argv[1:]:
-        try:
-            binary = lief.parse(filename)
-            etype = binary.format
-            arch = binary.abstract.header.architecture
-            binary.concrete
-
-            if etype == lief.EXE_FORMATS.UNKNOWN:
-                print(f'{filename}: unknown executable format')
-                retval = 1
-                continue
-
-            if arch == lief.ARCHITECTURES.NONE:
-                print(f'{filename}: unknown architecture')
-                retval = 1
-                continue
-
-            failed: list[str] = []
-            for (name, func) in CHECKS[etype][arch]:
-                if not func(binary):
-                    failed.append(name)
-            if failed:
-                print(f'{filename}: failed {" ".join(failed)}')
-                retval = 1
-        except IOError:
-            print(f'{filename}: cannot open')
+        binary = lief.parse(filename)
+        etype = binary.format
+        arch = binary.abstract.header.architecture
+        binary.concrete
+
+        failed: list[str] = []
+        for (name, func) in CHECKS[etype][arch]:
+            if not func(binary):
+                failed.append(name)
+        if failed:
+            print(f'{filename}: failed {" ".join(failed)}')
             retval = 1
     sys.exit(retval)
-
diff --git a/contrib/devtools/symbol-check.py b/contrib/devtools/symbol-check.py
index c4e6bc81e1..cff5a9b480 100755
--- a/contrib/devtools/symbol-check.py
+++ b/contrib/devtools/symbol-check.py
@@ -299,22 +299,14 @@ lief.EXE_FORMATS.PE: [
 if __name__ == '__main__':
     retval: int = 0
     for filename in sys.argv[1:]:
-        try:
-            binary = lief.parse(filename)
-            etype = binary.format
-            if etype == lief.EXE_FORMATS.UNKNOWN:
-                print(f'{filename}: unknown executable format')
-                retval = 1
-                continue
-
-            failed: list[str] = []
-            for (name, func) in CHECKS[etype]:
-                if not func(binary):
-                    failed.append(name)
-            if failed:
-                print(f'{filename}: failed {" ".join(failed)}')
-                retval = 1
-        except IOError:
-            print(f'{filename}: cannot open')
+        binary = lief.parse(filename)
+        etype = binary.format
+
+        failed: list[str] = []
+        for (name, func) in CHECKS[etype]:
+            if not func(binary):
+                failed.append(name)
+        if failed:
+            print(f'{filename}: failed {" ".join(failed)}')
             retval = 1
     sys.exit(retval)