xrootd
XrdSecsssKT.hh
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1 #ifndef __SecsssKT__
2 #define __SecsssKT__
3 /******************************************************************************/
4 /* */
5 /* X r d S e c s s s K T . h h */
6 /* */
7 /* (c) 2008 by the Board of Trustees of the Leland Stanford, Jr., University */
8 /* All Rights Reserved */
9 /* Produced by Andrew Hanushevsky for Stanford University under contract */
10 /* DE-AC02-76-SFO0515 with the Department of Energy */
11 /******************************************************************************/
12 
13 #include <string.h>
14 #include <time.h>
15 #include "XrdSys/XrdSysPthread.hh"
16 
17 class XrdOucErrInfo;
18 class XrdOucStream;
19 
20 class XrdSecsssKT
21 {
22 public:
23 
24 class ktEnt
25 {
26 public:
27 
28 static const int maxKLen = 128;
29 static const int NameSZ = 192;
30 static const int UserSZ = 128;
31 static const int GrupSZ = 64;
32 
33 struct ktData
34  {long long ID;
35  time_t Crt;
36  time_t Exp;
37  int Opts;
38  int Len;
39  char Val[maxKLen];// Key strings are 1024 bits or less
40  char Name[NameSZ];// Key names are null terminated
41  char User[UserSZ];// Usr names are null terminated
42  char Grup[GrupSZ];// Grp names are null terminated
43  } Data;
44 
45 static const int anyUSR = 2;
46 static const int anyGRP = 4;
47 static const int usrGRP = 8;
48 
49  void NUG(ktEnt *ktP) {strcpy(Data.Name, ktP->Data.Name);
50  strcpy(Data.User, ktP->Data.User);
51  strcpy(Data.Grup, ktP->Data.Grup);
52  }
53  void Set(ktEnt &rhs) {Data.ID=rhs.Data.ID; Data.Len = rhs.Data.Len;
54  memcpy(Data.Val, rhs.Data.Val, Data.Len);
55  Data.Crt=rhs.Data.Crt; Data.Exp=rhs.Data.Exp;
56  }
57  ktEnt *Next;
58 
59  ktEnt() : Next(0) { Data.ID = -1; Data.Opts = 0;
60  *Data.Val = '\0'; *Data.Name = '\0';
61  *Data.User= '\0'; *Data.Grup = '\0';
62  }
63  ~ktEnt() {}
64 };
65 
66 void addKey(ktEnt &ktNew);
67 
68 int delKey(ktEnt &ktDel);
69 
70 static
71 char *genFN();
72 
73 static
74 void genKey(char *Buff, int blen);
75 
76 int getKey(ktEnt &ktEql);
77 
78 ktEnt *keyList() {return ktList;}
79 
80 void Refresh();
81 
82 time_t RefrTime() {return ktRefT;}
83 
84 int Rewrite(int Keep, int &numKeys, int &numTot, int &numExp);
85 
86 int Same(const char *path) {return (ktPath && !strcmp(ktPath, path));}
87 
88 void setPath(const char *Path)
89  {if (ktPath) free(ktPath); ktPath = strdup(Path);}
90 
91 enum xMode {isAdmin = 0, isClient, isServer};
92 
93  XrdSecsssKT(XrdOucErrInfo *, const char *, xMode, int refr=60*60);
94  ~XrdSecsssKT();
95 
96 private:
97 int eMsg(const char *epn, int rc, const char *txt1,
98  const char *txt2=0, const char *txt3=0, const char *txt4=0);
99 ktEnt *getKeyTab(XrdOucErrInfo *eInfo, time_t Mtime, mode_t Amode);
100 mode_t fileMode(const char *Path);
101 int isKey(ktEnt &ktRef, ktEnt *ktP, int Full=1);
102 void keyB2X(ktEnt *theKT, char *buff);
103 void keyX2B(ktEnt *theKT, char *xKey);
104 ktEnt *ktDecode0(XrdOucStream &kTab, XrdOucErrInfo *eInfo);
105 
106 XrdSysMutex myMutex;
107 char *ktPath;
108 ktEnt *ktList;
109 time_t ktMtime;
110 xMode ktMode;
111 time_t ktRefT;
112 int kthiID;
113 pthread_t ktRefID;
114 static int randFD;
115 };
116 #endif
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