xref: /freebsd/contrib/capsicum-test/capsicum-test.cc (revision a7623790fb345e6dc986dfd31df0ace115e6f2e4)
1 #include "capsicum-test.h"
2 
3 #include <stdio.h>
4 #include <string.h>
5 #include <signal.h>
6 
7 #include <map>
8 #include <vector>
9 #include <string>
10 
11 bool verbose = false;
12 bool tmpdir_on_tmpfs = false;
13 bool force_mt = false;
14 bool force_nofork = false;
15 uid_t other_uid = 0;
16 
17 namespace {
18 std::map<std::string, std::string> tmp_paths;
19 }
20 
21 const char *TmpFile(const char *p) {
22   std::string pathname(p);
23   if (tmp_paths.find(pathname) == tmp_paths.end()) {
24     std::string fullname = tmpdir + "/" + pathname;
25     tmp_paths[pathname] = fullname;
26   }
27   return tmp_paths[pathname].c_str();
28 }
29 
30 char ProcessState(int pid) {
31 #ifdef __linux__
32   // Open the process status file.
33   char s[1024];
34   snprintf(s, sizeof(s), "/proc/%d/status", pid);
35   FILE *f = fopen(s, "r");
36   if (f == NULL) return '\0';
37 
38   // Read the file line by line looking for the state line.
39   const char *prompt = "State:\t";
40   while (!feof(f)) {
41     fgets(s, sizeof(s), f);
42     if (!strncmp(s, prompt, strlen(prompt))) {
43       fclose(f);
44       return s[strlen(prompt)];
45     }
46   }
47   fclose(f);
48   return '?';
49 #endif
50 #ifdef __FreeBSD__
51   char buffer[1024];
52   snprintf(buffer, sizeof(buffer), "ps -p %d -o state | grep -v STAT", pid);
53   sig_t original = signal(SIGCHLD, SIG_IGN);
54   FILE* cmd = popen(buffer, "r");
55   usleep(50000);  // allow any pending SIGCHLD signals to arrive
56   signal(SIGCHLD, original);
57   int result = fgetc(cmd);
58   fclose(cmd);
59   // Map FreeBSD codes to Linux codes.
60   switch (result) {
61     case EOF:
62       return '\0';
63     case 'D': // disk wait
64     case 'R': // runnable
65     case 'S': // sleeping
66     case 'T': // stopped
67     case 'Z': // zombie
68       return result;
69     case 'W': // idle interrupt thread
70       return 'S';
71     case 'I': // idle
72       return 'S';
73     case 'L': // waiting to acquire lock
74     default:
75       return '?';
76   }
77 #endif
78 }
79 
80 typedef std::vector<std::string> TestList;
81 typedef std::map<std::string, TestList*> SkippedTestMap;
82 static SkippedTestMap skipped_tests;
83 void TestSkipped(const char *testcase, const char *test, const std::string& reason) {
84   if (skipped_tests.find(reason) == skipped_tests.end()) {
85     skipped_tests[reason] = new TestList;
86   }
87   std::string testname(testcase);
88   testname += ".";
89   testname += test;
90   skipped_tests[reason]->push_back(testname);
91 }
92 
93 void ShowSkippedTests(std::ostream& os) {
94   for (SkippedTestMap::iterator skiplist = skipped_tests.begin();
95        skiplist != skipped_tests.end(); ++skiplist) {
96     os << "Following tests were skipped because: " << skiplist->first << std::endl;
97     for (size_t ii = 0; ii < skiplist->second->size(); ++ii) {
98       const std::string& testname((*skiplist->second)[ii]);
99       os << "  " << testname << std::endl;
100     }
101   }
102 }
103