diff options
Diffstat (limited to 'Cryptlib/OpenSSL/crypto/bio')
| -rw-r--r-- | Cryptlib/OpenSSL/crypto/bio/b_dump.c | 1 | ||||
| -rw-r--r-- | Cryptlib/OpenSSL/crypto/bio/b_print.c | 195 | ||||
| -rw-r--r-- | Cryptlib/OpenSSL/crypto/bio/bss_bio.c | 2 | ||||
| -rw-r--r-- | Cryptlib/OpenSSL/crypto/bio/bss_conn.c | 31 | ||||
| -rw-r--r-- | Cryptlib/OpenSSL/crypto/bio/bss_dgram.c | 2 | ||||
| -rw-r--r-- | Cryptlib/OpenSSL/crypto/bio/bss_file.c | 30 | ||||
| -rw-r--r-- | Cryptlib/OpenSSL/crypto/bio/bss_mem.c | 6 |
7 files changed, 151 insertions, 116 deletions
diff --git a/Cryptlib/OpenSSL/crypto/bio/b_dump.c b/Cryptlib/OpenSSL/crypto/bio/b_dump.c index ed8e5214..ccf0e287 100644 --- a/Cryptlib/OpenSSL/crypto/bio/b_dump.c +++ b/Cryptlib/OpenSSL/crypto/bio/b_dump.c @@ -104,7 +104,6 @@ int BIO_dump_indent_cb(int (*cb) (const void *data, size_t len, void *u), if ((rows * dump_width) < len) rows++; for (i = 0; i < rows; i++) { - buf[0] = '\0'; /* start with empty string */ BUF_strlcpy(buf, str, sizeof buf); BIO_snprintf(tmp, sizeof tmp, "%04x - ", i * dump_width); BUF_strlcat(buf, tmp, sizeof buf); diff --git a/Cryptlib/OpenSSL/crypto/bio/b_print.c b/Cryptlib/OpenSSL/crypto/bio/b_print.c index 4695827e..dfc26bcd 100644 --- a/Cryptlib/OpenSSL/crypto/bio/b_print.c +++ b/Cryptlib/OpenSSL/crypto/bio/b_print.c @@ -125,18 +125,18 @@ # define LLONG long #endif -static void fmtstr(char **, char **, size_t *, size_t *, - const char *, int, int, int); -static void fmtint(char **, char **, size_t *, size_t *, - LLONG, int, int, int, int); +static int fmtstr(char **, char **, size_t *, size_t *, + const char *, int, int, int); +static int fmtint(char **, char **, size_t *, size_t *, + LLONG, int, int, int, int); #ifndef OPENSSL_SYS_UEFI -static void fmtfp(char **, char **, size_t *, size_t *, - LDOUBLE, int, int, int); +static int fmtfp(char **, char **, size_t *, size_t *, + LDOUBLE, int, int, int); #endif -static void doapr_outch(char **, char **, size_t *, size_t *, int); -static void _dopr(char **sbuffer, char **buffer, - size_t *maxlen, size_t *retlen, int *truncated, - const char *format, va_list args); +static int doapr_outch(char **, char **, size_t *, size_t *, int); +static int _dopr(char **sbuffer, char **buffer, + size_t *maxlen, size_t *retlen, int *truncated, + const char *format, va_list args); /* format read states */ #define DP_S_DEFAULT 0 @@ -167,7 +167,7 @@ static void _dopr(char **sbuffer, char **buffer, #define char_to_int(p) (p - '0') #define OSSL_MAX(p,q) ((p >= q) ? p : q) -static void +static int _dopr(char **sbuffer, char **buffer, size_t *maxlen, @@ -200,7 +200,8 @@ _dopr(char **sbuffer, if (ch == '%') state = DP_S_FLAGS; else - doapr_outch(sbuffer, buffer, &currlen, maxlen, ch); + if(!doapr_outch(sbuffer, buffer, &currlen, maxlen, ch)) + return 0; ch = *format++; break; case DP_S_FLAGS: @@ -308,8 +309,9 @@ _dopr(char **sbuffer, value = va_arg(args, int); break; } - fmtint(sbuffer, buffer, &currlen, maxlen, - value, 10, min, max, flags); + if (!fmtint(sbuffer, buffer, &currlen, maxlen, value, 10, min, + max, flags)) + return 0; break; case 'X': flags |= DP_F_UP; @@ -332,9 +334,10 @@ _dopr(char **sbuffer, value = (LLONG) va_arg(args, unsigned int); break; } - fmtint(sbuffer, buffer, &currlen, maxlen, value, - ch == 'o' ? 8 : (ch == 'u' ? 10 : 16), - min, max, flags); + if (!fmtint(sbuffer, buffer, &currlen, maxlen, value, + ch == 'o' ? 8 : (ch == 'u' ? 10 : 16), + min, max, flags)) + return 0; break; #ifndef OPENSSL_SYS_UEFI case 'f': @@ -342,8 +345,9 @@ _dopr(char **sbuffer, fvalue = va_arg(args, LDOUBLE); else fvalue = va_arg(args, double); - fmtfp(sbuffer, buffer, &currlen, maxlen, - fvalue, min, max, flags); + if (!fmtfp(sbuffer, buffer, &currlen, maxlen, fvalue, min, max, + flags)) + return 0; break; case 'E': flags |= DP_F_UP; @@ -363,8 +367,9 @@ _dopr(char **sbuffer, break; #endif case 'c': - doapr_outch(sbuffer, buffer, &currlen, maxlen, - va_arg(args, int)); + if(!doapr_outch(sbuffer, buffer, &currlen, maxlen, + va_arg(args, int))) + return 0; break; case 's': strvalue = va_arg(args, char *); @@ -374,13 +379,15 @@ _dopr(char **sbuffer, else max = *maxlen; } - fmtstr(sbuffer, buffer, &currlen, maxlen, strvalue, - flags, min, max); + if (!fmtstr(sbuffer, buffer, &currlen, maxlen, strvalue, + flags, min, max)) + return 0; break; case 'p': value = (long)va_arg(args, void *); - fmtint(sbuffer, buffer, &currlen, maxlen, - value, 16, min, max, flags | DP_F_NUM); + if (!fmtint(sbuffer, buffer, &currlen, maxlen, + value, 16, min, max, flags | DP_F_NUM)) + return 0; break; case 'n': /* XXX */ if (cflags == DP_C_SHORT) { @@ -402,7 +409,8 @@ _dopr(char **sbuffer, } break; case '%': - doapr_outch(sbuffer, buffer, &currlen, maxlen, ch); + if(!doapr_outch(sbuffer, buffer, &currlen, maxlen, ch)) + return 0; break; case 'w': /* not supported yet, treat as next char */ @@ -426,46 +434,56 @@ _dopr(char **sbuffer, *truncated = (currlen > *maxlen - 1); if (*truncated) currlen = *maxlen - 1; - doapr_outch(sbuffer, buffer, &currlen, maxlen, '\0'); + if(!doapr_outch(sbuffer, buffer, &currlen, maxlen, '\0')) + return 0; *retlen = currlen - 1; - return; + return 1; } -static void +static int fmtstr(char **sbuffer, char **buffer, size_t *currlen, size_t *maxlen, const char *value, int flags, int min, int max) { - int padlen, strln; + int padlen; + size_t strln; int cnt = 0; if (value == 0) value = "<NULL>"; - for (strln = 0; value[strln]; ++strln) ; + + strln = strlen(value); + if (strln > INT_MAX) + strln = INT_MAX; + padlen = min - strln; - if (padlen < 0) + if (min < 0 || padlen < 0) padlen = 0; if (flags & DP_F_MINUS) padlen = -padlen; while ((padlen > 0) && (cnt < max)) { - doapr_outch(sbuffer, buffer, currlen, maxlen, ' '); + if(!doapr_outch(sbuffer, buffer, currlen, maxlen, ' ')) + return 0; --padlen; ++cnt; } while (*value && (cnt < max)) { - doapr_outch(sbuffer, buffer, currlen, maxlen, *value++); + if(!doapr_outch(sbuffer, buffer, currlen, maxlen, *value++)) + return 0; ++cnt; } while ((padlen < 0) && (cnt < max)) { - doapr_outch(sbuffer, buffer, currlen, maxlen, ' '); + if(!doapr_outch(sbuffer, buffer, currlen, maxlen, ' ')) + return 0; ++padlen; ++cnt; } + return 1; } -static void +static int fmtint(char **sbuffer, char **buffer, size_t *currlen, @@ -525,37 +543,44 @@ fmtint(char **sbuffer, /* spaces */ while (spadlen > 0) { - doapr_outch(sbuffer, buffer, currlen, maxlen, ' '); + if(!doapr_outch(sbuffer, buffer, currlen, maxlen, ' ')) + return 0; --spadlen; } /* sign */ if (signvalue) - doapr_outch(sbuffer, buffer, currlen, maxlen, signvalue); + if(!doapr_outch(sbuffer, buffer, currlen, maxlen, signvalue)) + return 0; /* prefix */ while (*prefix) { - doapr_outch(sbuffer, buffer, currlen, maxlen, *prefix); + if(!doapr_outch(sbuffer, buffer, currlen, maxlen, *prefix)) + return 0; prefix++; } /* zeros */ if (zpadlen > 0) { while (zpadlen > 0) { - doapr_outch(sbuffer, buffer, currlen, maxlen, '0'); + if(!doapr_outch(sbuffer, buffer, currlen, maxlen, '0')) + return 0; --zpadlen; } } /* digits */ - while (place > 0) - doapr_outch(sbuffer, buffer, currlen, maxlen, convert[--place]); + while (place > 0) { + if (!doapr_outch(sbuffer, buffer, currlen, maxlen, convert[--place])) + return 0; + } /* left justified spaces */ while (spadlen < 0) { - doapr_outch(sbuffer, buffer, currlen, maxlen, ' '); + if (!doapr_outch(sbuffer, buffer, currlen, maxlen, ' ')) + return 0; ++spadlen; } - return; + return 1; } #ifndef OPENSSL_SYS_UEFI @@ -587,7 +612,7 @@ static long roundv(LDOUBLE value) return intpart; } -static void +static int fmtfp(char **sbuffer, char **buffer, size_t *currlen, @@ -666,48 +691,62 @@ fmtfp(char **sbuffer, if ((flags & DP_F_ZERO) && (padlen > 0)) { if (signvalue) { - doapr_outch(sbuffer, buffer, currlen, maxlen, signvalue); + if (!doapr_outch(sbuffer, buffer, currlen, maxlen, signvalue)) + return 0; --padlen; signvalue = 0; } while (padlen > 0) { - doapr_outch(sbuffer, buffer, currlen, maxlen, '0'); + if (!doapr_outch(sbuffer, buffer, currlen, maxlen, '0')) + return 0; --padlen; } } while (padlen > 0) { - doapr_outch(sbuffer, buffer, currlen, maxlen, ' '); + if (!doapr_outch(sbuffer, buffer, currlen, maxlen, ' ')) + return 0; --padlen; } - if (signvalue) - doapr_outch(sbuffer, buffer, currlen, maxlen, signvalue); + if (signvalue && !doapr_outch(sbuffer, buffer, currlen, maxlen, signvalue)) + return 0; - while (iplace > 0) - doapr_outch(sbuffer, buffer, currlen, maxlen, iconvert[--iplace]); + while (iplace > 0) { + if (!doapr_outch(sbuffer, buffer, currlen, maxlen, iconvert[--iplace])) + return 0; + } /* * Decimal point. This should probably use locale to find the correct * char to print out. */ if (max > 0 || (flags & DP_F_NUM)) { - doapr_outch(sbuffer, buffer, currlen, maxlen, '.'); + if (!doapr_outch(sbuffer, buffer, currlen, maxlen, '.')) + return 0; - while (fplace > 0) - doapr_outch(sbuffer, buffer, currlen, maxlen, fconvert[--fplace]); + while (fplace > 0) { + if(!doapr_outch(sbuffer, buffer, currlen, maxlen, + fconvert[--fplace])) + return 0; + } } while (zpadlen > 0) { - doapr_outch(sbuffer, buffer, currlen, maxlen, '0'); + if (!doapr_outch(sbuffer, buffer, currlen, maxlen, '0')) + return 0; --zpadlen; } while (padlen < 0) { - doapr_outch(sbuffer, buffer, currlen, maxlen, ' '); + if (!doapr_outch(sbuffer, buffer, currlen, maxlen, ' ')) + return 0; ++padlen; } + return 1; } #endif -static void +#define BUFFER_INC 1024 + +static int doapr_outch(char **sbuffer, char **buffer, size_t *currlen, size_t *maxlen, int c) { @@ -718,24 +757,25 @@ doapr_outch(char **sbuffer, assert(*currlen <= *maxlen); if (buffer && *currlen == *maxlen) { - *maxlen += 1024; + if (*maxlen > INT_MAX - BUFFER_INC) + return 0; + + *maxlen += BUFFER_INC; if (*buffer == NULL) { *buffer = OPENSSL_malloc(*maxlen); - if (!*buffer) { - /* Panic! Can't really do anything sensible. Just return */ - return; - } + if (*buffer == NULL) + return 0; if (*currlen > 0) { assert(*sbuffer != NULL); memcpy(*buffer, *sbuffer, *currlen); } *sbuffer = NULL; } else { - *buffer = OPENSSL_realloc(*buffer, *maxlen); - if (!*buffer) { - /* Panic! Can't really do anything sensible. Just return */ - return; - } + char *tmpbuf; + tmpbuf = OPENSSL_realloc(*buffer, *maxlen); + if (tmpbuf == NULL) + return 0; + *buffer = tmpbuf; } } @@ -746,16 +786,12 @@ doapr_outch(char **sbuffer, (*buffer)[(*currlen)++] = (char)c; } - return; + return 1; } /***************************************************************************/ -#if defined(OPENSSL_SYS_UEFI) -int EFIAPI BIO_printf(BIO *bio, const char *format, ...) -#else int BIO_printf(BIO *bio, const char *format, ...) -#endif { va_list args; int ret; @@ -782,7 +818,11 @@ int BIO_vprintf(BIO *bio, const char *format, va_list args) dynbuf = NULL; CRYPTO_push_info("doapr()"); - _dopr(&hugebufp, &dynbuf, &hugebufsize, &retlen, &ignored, format, args); + if (!_dopr(&hugebufp, &dynbuf, &hugebufsize, &retlen, &ignored, format, + args)) { + OPENSSL_free(dynbuf); + return -1; + } if (dynbuf) { ret = BIO_write(bio, dynbuf, (int)retlen); OPENSSL_free(dynbuf); @@ -799,11 +839,7 @@ int BIO_vprintf(BIO *bio, const char *format, va_list args) * closely related to BIO_printf, and we need *some* name prefix ... (XXX the * function should be renamed, but to what?) */ -#if defined(OPENSSL_SYS_UEFI) -int EFIAPI BIO_snprintf(char *buf, size_t n, const char *format, ...) -#else int BIO_snprintf(char *buf, size_t n, const char *format, ...) -#endif { va_list args; int ret; @@ -821,7 +857,8 @@ int BIO_vsnprintf(char *buf, size_t n, const char *format, va_list args) size_t retlen; int truncated; - _dopr(&buf, NULL, &n, &retlen, &truncated, format, args); + if(!_dopr(&buf, NULL, &n, &retlen, &truncated, format, args)) + return -1; if (truncated) /* diff --git a/Cryptlib/OpenSSL/crypto/bio/bss_bio.c b/Cryptlib/OpenSSL/crypto/bio/bss_bio.c index d629a37a..4d8727f8 100644 --- a/Cryptlib/OpenSSL/crypto/bio/bss_bio.c +++ b/Cryptlib/OpenSSL/crypto/bio/bss_bio.c @@ -1,4 +1,4 @@ -/* crypto/bio/bss_bio.c -*- Mode: C; c-file-style: "eay" -*- */ +/* crypto/bio/bss_bio.c */ /* ==================================================================== * Copyright (c) 1998-2003 The OpenSSL Project. All rights reserved. * diff --git a/Cryptlib/OpenSSL/crypto/bio/bss_conn.c b/Cryptlib/OpenSSL/crypto/bio/bss_conn.c index 42d0afff..7d15ad29 100644 --- a/Cryptlib/OpenSSL/crypto/bio/bss_conn.c +++ b/Cryptlib/OpenSSL/crypto/bio/bss_conn.c @@ -419,7 +419,7 @@ static long conn_ctrl(BIO *b, int cmd, long num, void *ptr) { BIO *dbio; int *ip; - const char **pptr; + const char **pptr = NULL; long ret = 1; BIO_CONNECT *data; @@ -442,19 +442,28 @@ static long conn_ctrl(BIO *b, int cmd, long num, void *ptr) case BIO_C_GET_CONNECT: if (ptr != NULL) { pptr = (const char **)ptr; - if (num == 0) { - *pptr = data->param_hostname; + } - } else if (num == 1) { - *pptr = data->param_port; - } else if (num == 2) { - *pptr = (char *)&(data->ip[0]); - } else if (num == 3) { - *((int *)ptr) = data->port; + if (b->init) { + if (pptr != NULL) { + ret = 1; + if (num == 0) { + *pptr = data->param_hostname; + } else if (num == 1) { + *pptr = data->param_port; + } else if (num == 2) { + *pptr = (char *)&(data->ip[0]); + } else { + ret = 0; + } + } + if (num == 3) { + ret = data->port; } - if ((!b->init) || (ptr == NULL)) + } else { + if (pptr != NULL) *pptr = "not initialized"; - ret = 1; + ret = 0; } break; case BIO_C_SET_CONNECT: diff --git a/Cryptlib/OpenSSL/crypto/bio/bss_dgram.c b/Cryptlib/OpenSSL/crypto/bio/bss_dgram.c index 7fcd831d..bdd7bf88 100644 --- a/Cryptlib/OpenSSL/crypto/bio/bss_dgram.c +++ b/Cryptlib/OpenSSL/crypto/bio/bss_dgram.c @@ -519,10 +519,8 @@ static long dgram_ctrl(BIO *b, int cmd, long num, void *ptr) switch (cmd) { case BIO_CTRL_RESET: num = 0; - case BIO_C_FILE_SEEK: ret = 0; break; - case BIO_C_FILE_TELL: case BIO_CTRL_INFO: ret = 0; break; diff --git a/Cryptlib/OpenSSL/crypto/bio/bss_file.c b/Cryptlib/OpenSSL/crypto/bio/bss_file.c index 153b6fa2..bfba93e6 100644 --- a/Cryptlib/OpenSSL/crypto/bio/bss_file.c +++ b/Cryptlib/OpenSSL/crypto/bio/bss_file.c @@ -115,9 +115,8 @@ static BIO_METHOD methods_filep = { NULL, }; -BIO *BIO_new_file(const char *filename, const char *mode) +static FILE *file_fopen(const char *filename, const char *mode) { - BIO *ret; FILE *file = NULL; # if defined(_WIN32) && defined(CP_UTF8) @@ -164,6 +163,14 @@ BIO *BIO_new_file(const char *filename, const char *mode) # else file = fopen(filename, mode); # endif + return (file); +} + +BIO *BIO_new_file(const char *filename, const char *mode) +{ + BIO *ret; + FILE *file = file_fopen(filename, mode); + if (file == NULL) { SYSerr(SYS_F_FOPEN, get_last_sys_error()); ERR_add_error_data(5, "fopen('", filename, "','", mode, "')"); @@ -386,7 +393,7 @@ static long MS_CALLBACK file_ctrl(BIO *b, int cmd, long num, void *ptr) else strcat(p, "t"); # endif - fp = fopen(ptr, p); + fp = file_fopen(ptr, p); if (fp == NULL) { SYSerr(SYS_F_FOPEN, get_last_sys_error()); ERR_add_error_data(5, "fopen('", ptr, "','", p, "')"); @@ -460,23 +467,6 @@ static int MS_CALLBACK file_puts(BIO *bp, const char *str) return (ret); } -# else - -BIO_METHOD *BIO_s_file(void) -{ - return NULL; -} - -BIO *BIO_new_file(const char *filename, const char *mode) -{ - return NULL; -} - -BIO *BIO_new_fp(FILE *stream, int close_flag) -{ - return NULL; -} - # endif /* OPENSSL_NO_STDIO */ #endif /* HEADER_BSS_FILE_C */ diff --git a/Cryptlib/OpenSSL/crypto/bio/bss_mem.c b/Cryptlib/OpenSSL/crypto/bio/bss_mem.c index d190765d..b0394a96 100644 --- a/Cryptlib/OpenSSL/crypto/bio/bss_mem.c +++ b/Cryptlib/OpenSSL/crypto/bio/bss_mem.c @@ -91,7 +91,8 @@ BIO_METHOD *BIO_s_mem(void) return (&mem_method); } -BIO *BIO_new_mem_buf(void *buf, int len) + +BIO *BIO_new_mem_buf(const void *buf, int len) { BIO *ret; BUF_MEM *b; @@ -105,7 +106,8 @@ BIO *BIO_new_mem_buf(void *buf, int len) if (!(ret = BIO_new(BIO_s_mem()))) return NULL; b = (BUF_MEM *)ret->ptr; - b->data = buf; + /* Cast away const and trust in the MEM_RDONLY flag. */ + b->data = (void *)buf; b->length = sz; b->max = sz; ret->flags |= BIO_FLAGS_MEM_RDONLY; |