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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:17:27 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:17:27 +0000 |
commit | f215e02bf85f68d3a6106c2a1f4f7f063f819064 (patch) | |
tree | 6bb5b92c046312c4e95ac2620b10ddf482d3fa8b /src/VBox/Devices/EFI/Firmware/CryptoPkg/Library/BaseCryptLib/SysCall/CrtWrapper.c | |
parent | Initial commit. (diff) | |
download | virtualbox-f215e02bf85f68d3a6106c2a1f4f7f063f819064.tar.xz virtualbox-f215e02bf85f68d3a6106c2a1f4f7f063f819064.zip |
Adding upstream version 7.0.14-dfsg.upstream/7.0.14-dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/VBox/Devices/EFI/Firmware/CryptoPkg/Library/BaseCryptLib/SysCall/CrtWrapper.c')
-rw-r--r-- | src/VBox/Devices/EFI/Firmware/CryptoPkg/Library/BaseCryptLib/SysCall/CrtWrapper.c | 473 |
1 files changed, 473 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/CryptoPkg/Library/BaseCryptLib/SysCall/CrtWrapper.c b/src/VBox/Devices/EFI/Firmware/CryptoPkg/Library/BaseCryptLib/SysCall/CrtWrapper.c new file mode 100644 index 00000000..0c9ac39e --- /dev/null +++ b/src/VBox/Devices/EFI/Firmware/CryptoPkg/Library/BaseCryptLib/SysCall/CrtWrapper.c @@ -0,0 +1,473 @@ +/** @file + C Run-Time Libraries (CRT) Wrapper Implementation for OpenSSL-based + Cryptographic Library. + +Copyright (c) 2009 - 2017, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#include <CrtLibSupport.h> + +int errno = 0; + +FILE *stderr = NULL; +FILE *stdin = NULL; +FILE *stdout = NULL; + +typedef +int +(*SORT_COMPARE)( + IN VOID *Buffer1, + IN VOID *Buffer2 + ); + +// +// Duplicated from EDKII BaseSortLib for qsort() wrapper +// +STATIC +VOID +QuickSortWorker ( + IN OUT VOID *BufferToSort, + IN CONST UINTN Count, + IN CONST UINTN ElementSize, + IN SORT_COMPARE CompareFunction, + IN VOID *Buffer + ) +{ + VOID *Pivot; + UINTN LoopCount; + UINTN NextSwapLocation; + + ASSERT(BufferToSort != NULL); + ASSERT(CompareFunction != NULL); + ASSERT(Buffer != NULL); + + if (Count < 2 || ElementSize < 1) { + return; + } + + NextSwapLocation = 0; + + // + // Pick a pivot (we choose last element) + // + Pivot = ((UINT8 *)BufferToSort + ((Count - 1) * ElementSize)); + + // + // Now get the pivot such that all on "left" are below it + // and everything "right" are above it + // + for (LoopCount = 0; LoopCount < Count - 1; LoopCount++) + { + // + // If the element is less than the pivot + // + if (CompareFunction ((VOID *)((UINT8 *)BufferToSort + ((LoopCount) * ElementSize)), Pivot) <= 0) { + // + // Swap + // + CopyMem (Buffer, (UINT8 *)BufferToSort + (NextSwapLocation * ElementSize), ElementSize); + CopyMem ((UINT8 *)BufferToSort + (NextSwapLocation * ElementSize), (UINT8 *)BufferToSort + ((LoopCount) * ElementSize), ElementSize); + CopyMem ((UINT8 *)BufferToSort + ((LoopCount) * ElementSize), Buffer, ElementSize); + + // + // Increment NextSwapLocation + // + NextSwapLocation++; + } + } + // + // Swap pivot to its final position (NextSwapLocation) + // + CopyMem (Buffer, Pivot, ElementSize); + CopyMem (Pivot, (UINT8 *)BufferToSort + (NextSwapLocation * ElementSize), ElementSize); + CopyMem ((UINT8 *)BufferToSort + (NextSwapLocation * ElementSize), Buffer, ElementSize); + + // + // Now recurse on 2 partial lists. Neither of these will have the 'pivot' element. + // IE list is sorted left half, pivot element, sorted right half... + // + QuickSortWorker ( + BufferToSort, + NextSwapLocation, + ElementSize, + CompareFunction, + Buffer + ); + + QuickSortWorker ( + (UINT8 *)BufferToSort + (NextSwapLocation + 1) * ElementSize, + Count - NextSwapLocation - 1, + ElementSize, + CompareFunction, + Buffer + ); + + return; +} + +//--------------------------------------------------------- +// Standard C Run-time Library Interface Wrapper +//--------------------------------------------------------- + +// +// -- String Manipulation Routines -- +// + +char *strchr(const char *str, int ch) +{ + return ScanMem8 (str, AsciiStrSize (str), (UINT8)ch); +} + +/* Scan a string for the last occurrence of a character */ +char *strrchr (const char *str, int c) +{ + char * save; + + for (save = NULL; ; ++str) { + if (*str == c) { + save = (char *)str; + } + if (*str == 0) { + return (save); + } + } +} + +/* Compare first n bytes of string s1 with string s2, ignoring case */ +int strncasecmp (const char *s1, const char *s2, size_t n) +{ + int Val; + + ASSERT(s1 != NULL); + ASSERT(s2 != NULL); + + if (n != 0) { + do { + Val = tolower(*s1) - tolower(*s2); + if (Val != 0) { + return Val; + } + ++s1; + ++s2; + if (*s1 == '\0') { + break; + } + } while (--n != 0); + } + return 0; +} + +/* Read formatted data from a string */ +int sscanf (const char *buffer, const char *format, ...) +{ + // + // Null sscanf() function implementation to satisfy the linker, since + // no direct functionality logic dependency in present UEFI cases. + // + return 0; +} + +/* Maps errnum to an error-message string */ +char * strerror (int errnum) +{ + return NULL; +} + +/* Computes the length of the maximum initial segment of the string pointed to by s1 + which consists entirely of characters from the string pointed to by s2. */ +size_t strspn (const char *s1 , const char *s2) +{ + UINT8 Map[32]; + UINT32 Index; + size_t Count; + + for (Index = 0; Index < 32; Index++) { + Map[Index] = 0; + } + + while (*s2) { + Map[*s2 >> 3] |= (1 << (*s2 & 7)); + s2++; + } + + if (*s1) { + Count = 0; + while (Map[*s1 >> 3] & (1 << (*s1 & 7))) { + Count++; + s1++; + } + + return Count; + } + + return 0; +} + +/* Computes the length of the maximum initial segment of the string pointed to by s1 + which consists entirely of characters not from the string pointed to by s2. */ +size_t strcspn (const char *s1, const char *s2) +{ + UINT8 Map[32]; + UINT32 Index; + size_t Count; + + for (Index = 0; Index < 32; Index++) { + Map[Index] = 0; + } + + while (*s2) { + Map[*s2 >> 3] |= (1 << (*s2 & 7)); + s2++; + } + + Map[0] |= 1; + + Count = 0; + while (!(Map[*s1 >> 3] & (1 << (*s1 & 7)))) { + Count ++; + s1++; + } + + return Count; +} + +// +// -- Character Classification Routines -- +// + +/* Determines if a particular character is a decimal-digit character */ +int isdigit (int c) +{ + // + // <digit> ::= [0-9] + // + return (('0' <= (c)) && ((c) <= '9')); +} + +/* Determine if an integer represents character that is a hex digit */ +int isxdigit (int c) +{ + // + // <hexdigit> ::= [0-9] | [a-f] | [A-F] + // + return ((('0' <= (c)) && ((c) <= '9')) || + (('a' <= (c)) && ((c) <= 'f')) || + (('A' <= (c)) && ((c) <= 'F'))); +} + +/* Determines if a particular character represents a space character */ +int isspace (int c) +{ + // + // <space> ::= [ ] + // + return ((c) == ' '); +} + +/* Determine if a particular character is an alphanumeric character */ +int isalnum (int c) +{ + // + // <alnum> ::= [0-9] | [a-z] | [A-Z] + // + return ((('0' <= (c)) && ((c) <= '9')) || + (('a' <= (c)) && ((c) <= 'z')) || + (('A' <= (c)) && ((c) <= 'Z'))); +} + +/* Determines if a particular character is in upper case */ +int isupper (int c) +{ + // + // <uppercase letter> := [A-Z] + // + return (('A' <= (c)) && ((c) <= 'Z')); +} + +// +// -- Data Conversion Routines -- +// + +/* Convert strings to a long-integer value */ +long strtol (const char *nptr, char **endptr, int base) +{ + // + // Null strtol() function implementation to satisfy the linker, since there is + // no direct functionality logic dependency in present UEFI cases. + // + return 0; +} + +/* Convert strings to an unsigned long-integer value */ +unsigned long strtoul (const char *nptr, char **endptr, int base) +{ + // + // Null strtoul() function implementation to satisfy the linker, since there is + // no direct functionality logic dependency in present UEFI cases. + // + return 0; +} + +/* Convert character to lowercase */ +int tolower (int c) +{ + if (('A' <= (c)) && ((c) <= 'Z')) { + return (c - ('A' - 'a')); + } + return (c); +} + +// +// -- Searching and Sorting Routines -- +// + +/* Performs a quick sort */ +void qsort (void *base, size_t num, size_t width, int (*compare)(const void *, const void *)) +{ + VOID *Buffer; + + ASSERT (base != NULL); + ASSERT (compare != NULL); + + // + // Use CRT-style malloc to cover BS and RT memory allocation. + // + Buffer = malloc (width); + ASSERT (Buffer != NULL); + + // + // Re-use PerformQuickSort() function Implementation in EDKII BaseSortLib. + // + QuickSortWorker (base, (UINTN)num, (UINTN)width, (SORT_COMPARE)compare, Buffer); + + free (Buffer); + return; +} + +// +// -- Process and Environment Control Routines -- +// + +/* Get a value from the current environment */ +char *getenv (const char *varname) +{ + // + // Null getenv() function implementation to satisfy the linker, since there is + // no direct functionality logic dependency in present UEFI cases. + // + return NULL; +} + +/* Get a value from the current environment */ +char *secure_getenv (const char *varname) +{ + // + // Null secure_getenv() function implementation to satisfy the linker, since + // there is no direct functionality logic dependency in present UEFI cases. + // + // From the secure_getenv() manual: 'just like getenv() except that it + // returns NULL in cases where "secure execution" is required'. + // + return NULL; +} + +// +// -- Stream I/O Routines -- +// + +/* Write data to a stream */ +size_t fwrite (const void *buffer, size_t size, size_t count, FILE *stream) +{ + return 0; +} + +// +// -- Dummy OpenSSL Support Routines -- +// + +int BIO_printf (void *bio, const char *format, ...) +{ + return 0; +} + +int BIO_snprintf(char *buf, size_t n, const char *format, ...) +{ + return 0; +} + +#ifdef __GNUC__ + +typedef +VOID +(EFIAPI *NoReturnFuncPtr)( + VOID + ) __attribute__((__noreturn__)); + +STATIC +VOID +EFIAPI +NopFunction ( + VOID + ) +{ +} + +void abort (void) +{ + NoReturnFuncPtr NoReturnFunc; + + NoReturnFunc = (NoReturnFuncPtr) NopFunction; + + NoReturnFunc (); +} + +#else + +void abort (void) +{ + // Do nothing +} + +#endif + +int fclose (FILE *f) +{ + return 0; +} + +FILE *fopen (const char *c, const char *m) +{ + return NULL; +} + +size_t fread (void *b, size_t c, size_t i, FILE *f) +{ + return 0; +} + +uid_t getuid (void) +{ + return 0; +} + +uid_t geteuid (void) +{ + return 0; +} + +gid_t getgid (void) +{ + return 0; +} + +gid_t getegid (void) +{ + return 0; +} + +int printf (char const *fmt, ...) +{ + return 0; +} |