1 /** @file
2   Root include file to support building OpenSSL Crypto Library.
3 
4 Copyright (c) 2010 - 2015, Intel Corporation. All rights reserved.<BR>
5 This program and the accompanying materials
6 are licensed and made available under the terms and conditions of the BSD License
7 which accompanies this distribution.  The full text of the license may be found at
8 http://opensource.org/licenses/bsd-license.php
9 
10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
12 
13 **/
14 
15 #ifndef __OPEN_SSL_SUPPORT_H__
16 #define __OPEN_SSL_SUPPORT_H__
17 
18 #include <Base.h>
19 #include <Library/BaseLib.h>
20 #include <Library/BaseMemoryLib.h>
21 #include <Library/MemoryAllocationLib.h>
22 #include <Library/DebugLib.h>
23 
24 #define MAX_STRING_SIZE  0x1000
25 
26 //
27 // OpenSSL relies on explicit configuration for word size in crypto/bn,
28 // but we want it to be automatically inferred from the target. So we
29 // bypass what's in <openssl/opensslconf.h> for OPENSSL_SYS_UEFI, and
30 // define our own here.
31 //
32 #ifdef CONFIG_HEADER_BN_H
33 #error CONFIG_HEADER_BN_H already defined
34 #endif
35 
36 #define CONFIG_HEADER_BN_H
37 
38 #if defined(MDE_CPU_X64) || defined(MDE_CPU_AARCH64) || defined(MDE_CPU_IA64)
39 //
40 // With GCC we would normally use SIXTY_FOUR_BIT_LONG, but MSVC needs
41 // SIXTY_FOUR_BIT, because 'long' is 32-bit and only 'long long' is
42 // 64-bit. Since using 'long long' works fine on GCC too, just do that.
43 //
44 #define SIXTY_FOUR_BIT
45 #elif defined(MDE_CPU_IA32) || defined(MDE_CPU_ARM) || defined(MDE_CPU_EBC)
46 #define THIRTY_TWO_BIT
47 #else
48 #error Unknown target architecture
49 #endif
50 
51 //
52 // File operations are not required for building Open SSL,
53 // so FILE is mapped to VOID * to pass build
54 //
55 typedef VOID  *FILE;
56 
57 //
58 // Map all va_xxxx elements to VA_xxx defined in MdePkg/Include/Base.h
59 //
60 #if !defined(__CC_ARM) // if va_list is not already defined
61 #define va_list   VA_LIST
62 #define va_arg    VA_ARG
63 #define va_start  VA_START
64 #define va_end    VA_END
65 #else // __CC_ARM
66 #define va_start(Marker, Parameter)   __va_start(Marker, Parameter)
67 #define va_arg(Marker, TYPE)          __va_arg(Marker, TYPE)
68 #define va_end(Marker)                ((void)0)
69 #endif
70 
71 //
72 // #defines from EFI Application Toolkit required to buiild Open SSL
73 //
74 #define ENOMEM       12               /* Cannot allocate memory */
75 #define EINVAL       22               /* Invalid argument */
76 #define BUFSIZ       1024             /* size of buffer used by setbuf */
77 #define INT_MAX      2147483647       /* max value for an int */
78 #define INT_MIN      (-2147483647-1)  /* min value for an int */
79 #define LONG_MAX     2147483647L      /* max value for a long */
80 #define LONG_MIN     (-2147483647-1)  /* min value for a long */
81 #define ULONG_MAX    0xffffffff       /* max value for an unsigned long */
82 #define LOG_DAEMON   (3<<3)           /* system daemons */
83 #define LOG_EMERG    0                /* system is unusable */
84 #define LOG_ALERT    1                /* action must be taken immediately */
85 #define LOG_CRIT     2                /* critical conditions */
86 #define LOG_ERR      3                /* error conditions */
87 #define LOG_WARNING  4                /* warning conditions */
88 #define LOG_NOTICE   5                /* normal but significant condition */
89 #define LOG_INFO     6                /* informational */
90 #define LOG_DEBUG    7                /* debug-level messages */
91 #define LOG_PID      0x01             /* log the pid with each message */
92 #define LOG_CONS     0x02             /* log on the console if errors in sending */
93 
94 //
95 // Macros from EFI Application Toolkit required to buiild Open SSL
96 //
97 /* The offsetof() macro calculates the offset of a structure member
98    in its structure.  Unfortunately this cannot be written down
99    portably, hence it is provided by a Standard C header file.
100    For pre-Standard C compilers, here is a version that usually works
101    (but watch out!): */
102 #define offsetof(type, member) OFFSET_OF (type, member)
103 
104 //
105 // Basic types from EFI Application Toolkit required to buiild Open SSL
106 //
107 typedef UINTN          size_t;
108 typedef INTN           ssize_t;
109 typedef INT64          off_t;
110 typedef UINT16         mode_t;
111 typedef long           time_t;
112 typedef unsigned long  clock_t;
113 typedef UINT32         uid_t;
114 typedef UINT32         gid_t;
115 typedef UINT32         ino_t;
116 typedef UINT32         dev_t;
117 typedef UINT16         nlink_t;
118 typedef int            pid_t;
119 typedef void           *DIR;
120 typedef void           __sighandler_t (int);
121 
122 //
123 // Structures from EFI Application Toolkit required to buiild Open SSL
124 //
125 struct tm {
126   int   tm_sec;     /* seconds after the minute [0-60] */
127   int   tm_min;     /* minutes after the hour [0-59] */
128   int   tm_hour;    /* hours since midnight [0-23] */
129   int   tm_mday;    /* day of the month [1-31] */
130   int   tm_mon;     /* months since January [0-11] */
131   int   tm_year;    /* years since 1900 */
132   int   tm_wday;    /* days since Sunday [0-6] */
133   int   tm_yday;    /* days since January 1 [0-365] */
134   int   tm_isdst;   /* Daylight Savings Time flag */
135   long  tm_gmtoff;  /* offset from CUT in seconds */
136   char  *tm_zone;   /* timezone abbreviation */
137 };
138 
139 struct timeval {
140   long tv_sec;      /* time value, in seconds */
141   long tv_usec;     /* time value, in microseconds */
142 };
143 
144 struct dirent {
145   UINT32  d_fileno;         /* file number of entry */
146   UINT16  d_reclen;         /* length of this record */
147   UINT8   d_type;           /* file type, see below */
148   UINT8   d_namlen;         /* length of string in d_name */
149   char    d_name[255 + 1];  /* name must be no longer than this */
150 };
151 
152 struct stat {
153   dev_t    st_dev;          /* inode's device */
154   ino_t    st_ino;          /* inode's number */
155   mode_t   st_mode;         /* inode protection mode */
156   nlink_t  st_nlink;        /* number of hard links */
157   uid_t    st_uid;          /* user ID of the file's owner */
158   gid_t    st_gid;          /* group ID of the file's group */
159   dev_t    st_rdev;         /* device type */
160   time_t   st_atime;        /* time of last access */
161   long     st_atimensec;    /* nsec of last access */
162   time_t   st_mtime;        /* time of last data modification */
163   long     st_mtimensec;    /* nsec of last data modification */
164   time_t   st_ctime;        /* time of last file status change */
165   long     st_ctimensec;    /* nsec of last file status change */
166   off_t    st_size;         /* file size, in bytes */
167   INT64    st_blocks;       /* blocks allocated for file */
168   UINT32   st_blksize;      /* optimal blocksize for I/O */
169   UINT32   st_flags;        /* user defined flags for file */
170   UINT32   st_gen;          /* file generation number */
171   INT32    st_lspare;
172   INT64    st_qspare[2];
173 };
174 
175 //
176 // Externs from EFI Application Toolkit required to buiild Open SSL
177 //
178 extern int errno;
179 
180 //
181 // Function prototypes from EFI Application Toolkit required to buiild Open SSL
182 //
183 void           *malloc     (size_t);
184 void           *realloc    (void *, size_t);
185 void           free        (void *);
186 int            isdigit     (int);
187 int            isspace     (int);
188 int            tolower     (int);
189 int            isupper     (int);
190 int            isxdigit    (int);
191 int            isalnum     (int);
192 void           *memcpy     (void *, const void *, size_t);
193 void           *memset     (void *, int, size_t);
194 void           *memchr     (const void *, int, size_t);
195 int            memcmp      (const void *, const void *, size_t);
196 void           *memmove    (void *, const void *, size_t);
197 int            strcmp      (const char *, const char *);
198 int            strncmp     (const char *, const char *, size_t);
199 char           *strcpy     (char *, const char *);
200 char           *strncpy    (char *, const char *, size_t);
201 size_t         strlen      (const char *);
202 char           *strcat     (char *, const char *);
203 char           *strchr     (const char *, int);
204 int            strcasecmp  (const char *, const char *);
205 int            strncasecmp (const char *, const char *, size_t);
206 char           *strncpy    (char *, const char *, size_t);
207 int            strncmp     (const char *, const char *, size_t);
208 char           *strrchr    (const char *, int);
209 unsigned long  strtoul     (const char *, char **, int);
210 long           strtol      (const char *, char **, int);
211 int            printf      (const char *, ...);
212 int            sscanf      (const char *, const char *, ...);
213 int            open        (const char *, int, ...);
214 int            chmod       (const char *, mode_t);
215 int            stat        (const char *, struct stat *);
216 off_t          lseek       (int, off_t, int);
217 ssize_t        read        (int, void *, size_t);
218 ssize_t        write       (int, const void *, size_t);
219 int            close       (int);
220 FILE           *fopen      (const char *, const char *);
221 size_t         fread       (void *, size_t, size_t, FILE *);
222 size_t         fwrite      (const void *, size_t, size_t, FILE *);
223 char           *fgets      (char *, int, FILE *);
224 int            fputs       (const char *, FILE *);
225 int            fprintf     (FILE *, const char *, ...);
226 int            vfprintf    (FILE *, const char *, VA_LIST);
227 int            fflush      (FILE *);
228 int            fclose      (FILE *);
229 DIR            *opendir    (const char *);
230 struct dirent  *readdir    (DIR *);
231 int            closedir    (DIR *);
232 void           openlog     (const char *, int, int);
233 void           closelog    (void);
234 void           syslog      (int, const char *, ...);
235 time_t         time        (time_t *);
236 struct tm      *localtime  (const time_t *);
237 struct tm      *gmtime     (const time_t *);
238 struct tm      *gmtime_r   (const time_t *, struct tm *);
239 uid_t          getuid      (void);
240 uid_t          geteuid     (void);
241 gid_t          getgid      (void);
242 gid_t          getegid     (void);
243 void           qsort       (void *, size_t, size_t, int (*)(const void *, const void *));
244 char           *getenv     (const char *);
245 void           exit        (int);
246 void           abort       (void);
247 __sighandler_t *signal     (int, __sighandler_t *);
248 
249 //
250 // Global variables from EFI Application Toolkit required to buiild Open SSL
251 //
252 extern FILE  *stderr;
253 extern FILE  *stdin;
254 extern FILE  *stdout;
255 
256 //
257 // Macros that directly map functions to BaseLib, BaseMemoryLib, and DebugLib functions
258 //
259 #define memcpy(dest,source,count)         CopyMem(dest,source,(UINTN)(count))
260 #define memset(dest,ch,count)             SetMem(dest,(UINTN)(count),(UINT8)(ch))
261 #define memchr(buf,ch,count)              ScanMem8(buf,(UINTN)(count),(UINT8)ch)
262 #define memcmp(buf1,buf2,count)           (int)(CompareMem(buf1,buf2,(UINTN)(count)))
263 #define memmove(dest,source,count)        CopyMem(dest,source,(UINTN)(count))
264 #define strcmp                            AsciiStrCmp
265 #define strncmp(string1,string2,count)    (int)(AsciiStrnCmp(string1,string2,(UINTN)(count)))
266 #define strcpy(strDest,strSource)         AsciiStrCpyS(strDest,MAX_STRING_SIZE,strSource)
267 #define strncpy(strDest,strSource,count)  AsciiStrnCpyS(strDest,MAX_STRING_SIZE,strSource,(UINTN)count)
268 #define strlen(str)                       (size_t)(AsciiStrnLenS(str,MAX_STRING_SIZE))
269 #define strcat(strDest,strSource)         AsciiStrCatS(strDest,MAX_STRING_SIZE,strSource)
270 #define strchr(str,ch)                    ScanMem8((VOID *)(str),AsciiStrSize(str),(UINT8)ch)
271 #define abort()                           ASSERT (FALSE)
272 #define assert(expression)
273 #define localtime(timer)                  NULL
274 #define gmtime_r(timer,result)            (result = NULL)
275 #define atoi(nptr)                        AsciiStrDecimalToUintn(nptr)
276 
277 #endif
278