diff options
Diffstat (limited to 'openssl-1.1.0h/crypto/txt_db')
| -rw-r--r-- | openssl-1.1.0h/crypto/txt_db/build.info | 2 | ||||
| -rw-r--r-- | openssl-1.1.0h/crypto/txt_db/txt_db.c | 318 |
2 files changed, 320 insertions, 0 deletions
diff --git a/openssl-1.1.0h/crypto/txt_db/build.info b/openssl-1.1.0h/crypto/txt_db/build.info new file mode 100644 index 0000000..4379d5f --- /dev/null +++ b/openssl-1.1.0h/crypto/txt_db/build.info @@ -0,0 +1,2 @@ +LIBS=../../libcrypto +SOURCE[../../libcrypto]=txt_db.c diff --git a/openssl-1.1.0h/crypto/txt_db/txt_db.c b/openssl-1.1.0h/crypto/txt_db/txt_db.c new file mode 100644 index 0000000..cf932a5 --- /dev/null +++ b/openssl-1.1.0h/crypto/txt_db/txt_db.c @@ -0,0 +1,318 @@ +/* + * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include "internal/cryptlib.h" +#include <openssl/buffer.h> +#include <openssl/txt_db.h> + +#undef BUFSIZE +#define BUFSIZE 512 + +TXT_DB *TXT_DB_read(BIO *in, int num) +{ + TXT_DB *ret = NULL; + int esc = 0; + long ln = 0; + int i, add, n; + int size = BUFSIZE; + int offset = 0; + char *p, *f; + OPENSSL_STRING *pp; + BUF_MEM *buf = NULL; + + if ((buf = BUF_MEM_new()) == NULL) + goto err; + if (!BUF_MEM_grow(buf, size)) + goto err; + + if ((ret = OPENSSL_malloc(sizeof(*ret))) == NULL) + goto err; + ret->num_fields = num; + ret->index = NULL; + ret->qual = NULL; + if ((ret->data = sk_OPENSSL_PSTRING_new_null()) == NULL) + goto err; + if ((ret->index = OPENSSL_malloc(sizeof(*ret->index) * num)) == NULL) + goto err; + if ((ret->qual = OPENSSL_malloc(sizeof(*(ret->qual)) * num)) == NULL) + goto err; + for (i = 0; i < num; i++) { + ret->index[i] = NULL; + ret->qual[i] = NULL; + } + + add = (num + 1) * sizeof(char *); + buf->data[size - 1] = '\0'; + offset = 0; + for (;;) { + if (offset != 0) { + size += BUFSIZE; + if (!BUF_MEM_grow_clean(buf, size)) + goto err; + } + buf->data[offset] = '\0'; + BIO_gets(in, &(buf->data[offset]), size - offset); + ln++; + if (buf->data[offset] == '\0') + break; + if ((offset == 0) && (buf->data[0] == '#')) + continue; + i = strlen(&(buf->data[offset])); + offset += i; + if (buf->data[offset - 1] != '\n') + continue; + else { + buf->data[offset - 1] = '\0'; /* blat the '\n' */ + if ((p = OPENSSL_malloc(add + offset)) == NULL) + goto err; + offset = 0; + } + pp = (char **)p; + p += add; + n = 0; + pp[n++] = p; + i = 0; + f = buf->data; + + esc = 0; + for (;;) { + if (*f == '\0') + break; + if (*f == '\t') { + if (esc) + p--; + else { + *(p++) = '\0'; + f++; + if (n >= num) + break; + pp[n++] = p; + continue; + } + } + esc = (*f == '\\'); + *(p++) = *(f++); + } + *(p++) = '\0'; + if ((n != num) || (*f != '\0')) { + OPENSSL_free(pp); + ret->error = DB_ERROR_WRONG_NUM_FIELDS; + goto err; + } + pp[n] = p; + if (!sk_OPENSSL_PSTRING_push(ret->data, pp)) { + OPENSSL_free(pp); + goto err; + } + } + BUF_MEM_free(buf); + return ret; + err: + BUF_MEM_free(buf); + if (ret != NULL) { + sk_OPENSSL_PSTRING_free(ret->data); + OPENSSL_free(ret->index); + OPENSSL_free(ret->qual); + OPENSSL_free(ret); + } + return (NULL); +} + +OPENSSL_STRING *TXT_DB_get_by_index(TXT_DB *db, int idx, + OPENSSL_STRING *value) +{ + OPENSSL_STRING *ret; + LHASH_OF(OPENSSL_STRING) *lh; + + if (idx >= db->num_fields) { + db->error = DB_ERROR_INDEX_OUT_OF_RANGE; + return (NULL); + } + lh = db->index[idx]; + if (lh == NULL) { + db->error = DB_ERROR_NO_INDEX; + return (NULL); + } + ret = lh_OPENSSL_STRING_retrieve(lh, value); + db->error = DB_ERROR_OK; + return (ret); +} + +int TXT_DB_create_index(TXT_DB *db, int field, int (*qual) (OPENSSL_STRING *), + OPENSSL_LH_HASHFUNC hash, OPENSSL_LH_COMPFUNC cmp) +{ + LHASH_OF(OPENSSL_STRING) *idx; + OPENSSL_STRING *r, *k; + int i, n; + + if (field >= db->num_fields) { + db->error = DB_ERROR_INDEX_OUT_OF_RANGE; + return (0); + } + /* FIXME: we lose type checking at this point */ + if ((idx = (LHASH_OF(OPENSSL_STRING) *)OPENSSL_LH_new(hash, cmp)) == NULL) { + db->error = DB_ERROR_MALLOC; + return (0); + } + n = sk_OPENSSL_PSTRING_num(db->data); + for (i = 0; i < n; i++) { + r = sk_OPENSSL_PSTRING_value(db->data, i); + if ((qual != NULL) && (qual(r) == 0)) + continue; + if ((k = lh_OPENSSL_STRING_insert(idx, r)) != NULL) { + db->error = DB_ERROR_INDEX_CLASH; + db->arg1 = sk_OPENSSL_PSTRING_find(db->data, k); + db->arg2 = i; + lh_OPENSSL_STRING_free(idx); + return (0); + } + if (lh_OPENSSL_STRING_retrieve(idx, r) == NULL) { + db->error = DB_ERROR_MALLOC; + lh_OPENSSL_STRING_free(idx); + return (0); + } + } + lh_OPENSSL_STRING_free(db->index[field]); + db->index[field] = idx; + db->qual[field] = qual; + return (1); +} + +long TXT_DB_write(BIO *out, TXT_DB *db) +{ + long i, j, n, nn, l, tot = 0; + char *p, **pp, *f; + BUF_MEM *buf = NULL; + long ret = -1; + + if ((buf = BUF_MEM_new()) == NULL) + goto err; + n = sk_OPENSSL_PSTRING_num(db->data); + nn = db->num_fields; + for (i = 0; i < n; i++) { + pp = sk_OPENSSL_PSTRING_value(db->data, i); + + l = 0; + for (j = 0; j < nn; j++) { + if (pp[j] != NULL) + l += strlen(pp[j]); + } + if (!BUF_MEM_grow_clean(buf, (int)(l * 2 + nn))) + goto err; + + p = buf->data; + for (j = 0; j < nn; j++) { + f = pp[j]; + if (f != NULL) + for (;;) { + if (*f == '\0') + break; + if (*f == '\t') + *(p++) = '\\'; + *(p++) = *(f++); + } + *(p++) = '\t'; + } + p[-1] = '\n'; + j = p - buf->data; + if (BIO_write(out, buf->data, (int)j) != j) + goto err; + tot += j; + } + ret = tot; + err: + BUF_MEM_free(buf); + return (ret); +} + +int TXT_DB_insert(TXT_DB *db, OPENSSL_STRING *row) +{ + int i; + OPENSSL_STRING *r; + + for (i = 0; i < db->num_fields; i++) { + if (db->index[i] != NULL) { + if ((db->qual[i] != NULL) && (db->qual[i] (row) == 0)) + continue; + r = lh_OPENSSL_STRING_retrieve(db->index[i], row); + if (r != NULL) { + db->error = DB_ERROR_INDEX_CLASH; + db->arg1 = i; + db->arg_row = r; + goto err; + } + } + } + + for (i = 0; i < db->num_fields; i++) { + if (db->index[i] != NULL) { + if ((db->qual[i] != NULL) && (db->qual[i] (row) == 0)) + continue; + (void)lh_OPENSSL_STRING_insert(db->index[i], row); + if (lh_OPENSSL_STRING_retrieve(db->index[i], row) == NULL) + goto err1; + } + } + if (!sk_OPENSSL_PSTRING_push(db->data, row)) + goto err1; + return (1); + + err1: + db->error = DB_ERROR_MALLOC; + while (i-- > 0) { + if (db->index[i] != NULL) { + if ((db->qual[i] != NULL) && (db->qual[i] (row) == 0)) + continue; + (void)lh_OPENSSL_STRING_delete(db->index[i], row); + } + } + err: + return (0); +} + +void TXT_DB_free(TXT_DB *db) +{ + int i, n; + char **p, *max; + + if (db == NULL) + return; + + if (db->index != NULL) { + for (i = db->num_fields - 1; i >= 0; i--) + lh_OPENSSL_STRING_free(db->index[i]); + OPENSSL_free(db->index); + } + OPENSSL_free(db->qual); + if (db->data != NULL) { + for (i = sk_OPENSSL_PSTRING_num(db->data) - 1; i >= 0; i--) { + /* + * check if any 'fields' have been allocated from outside of the + * initial block + */ + p = sk_OPENSSL_PSTRING_value(db->data, i); + max = p[db->num_fields]; /* last address */ + if (max == NULL) { /* new row */ + for (n = 0; n < db->num_fields; n++) + OPENSSL_free(p[n]); + } else { + for (n = 0; n < db->num_fields; n++) { + if (((p[n] < (char *)p) || (p[n] > max))) + OPENSSL_free(p[n]); + } + } + OPENSSL_free(sk_OPENSSL_PSTRING_value(db->data, i)); + } + sk_OPENSSL_PSTRING_free(db->data); + } + OPENSSL_free(db); +} |