diff options
Diffstat (limited to 'crypto/x509/by_dir.c')
| -rw-r--r-- | crypto/x509/by_dir.c | 733 |
1 files changed, 344 insertions, 389 deletions
diff --git a/crypto/x509/by_dir.c b/crypto/x509/by_dir.c index 23ef0950a7..369a347a13 100644 --- a/crypto/x509/by_dir.c +++ b/crypto/x509/by_dir.c @@ -5,21 +5,21 @@ * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. - * + * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). - * + * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. - * + * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: @@ -34,10 +34,10 @@ * Eric Young (eay@cryptsoft.com)" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). - * 4. If you include any Windows specific code (or a derivative thereof) from + * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" - * + * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE @@ -49,7 +49,7 @@ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. - * + * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence @@ -72,416 +72,371 @@ #include <openssl/lhash.h> #include <openssl/x509.h> +typedef struct lookup_dir_hashes_st { + unsigned long hash; + int suffix; +} BY_DIR_HASH; -typedef struct lookup_dir_hashes_st - { - unsigned long hash; - int suffix; - } BY_DIR_HASH; - -typedef struct lookup_dir_entry_st - { - char *dir; - int dir_type; - STACK_OF(BY_DIR_HASH) *hashes; - } BY_DIR_ENTRY; +typedef struct lookup_dir_entry_st { + char *dir; + int dir_type; + STACK_OF(BY_DIR_HASH) *hashes; +} BY_DIR_ENTRY; -typedef struct lookup_dir_st - { - BUF_MEM *buffer; - STACK_OF(BY_DIR_ENTRY) *dirs; - } BY_DIR; +typedef struct lookup_dir_st { + BUF_MEM *buffer; + STACK_OF(BY_DIR_ENTRY) *dirs; +} BY_DIR; DECLARE_STACK_OF(BY_DIR_HASH) DECLARE_STACK_OF(BY_DIR_ENTRY) static int dir_ctrl(X509_LOOKUP *ctx, int cmd, const char *argp, long argl, - char **ret); + char **ret); static int new_dir(X509_LOOKUP *lu); static void free_dir(X509_LOOKUP *lu); -static int add_cert_dir(BY_DIR *ctx,const char *dir,int type); -static int get_cert_by_subject(X509_LOOKUP *xl,int type,X509_NAME *name, - X509_OBJECT *ret); -X509_LOOKUP_METHOD x509_dir_lookup= - { - "Load certs from files in a directory", - new_dir, /* new */ - free_dir, /* free */ - NULL, /* init */ - NULL, /* shutdown */ - dir_ctrl, /* ctrl */ - get_cert_by_subject, /* get_by_subject */ - NULL, /* get_by_issuer_serial */ - NULL, /* get_by_fingerprint */ - NULL, /* get_by_alias */ - }; +static int add_cert_dir(BY_DIR *ctx, const char *dir, int type); +static int get_cert_by_subject(X509_LOOKUP *xl, int type, X509_NAME *name, + X509_OBJECT *ret); +X509_LOOKUP_METHOD x509_dir_lookup = { + "Load certs from files in a directory", + new_dir, /* new */ + free_dir, /* free */ + NULL, /* init */ + NULL, /* shutdown */ + dir_ctrl, /* ctrl */ + get_cert_by_subject, /* get_by_subject */ + NULL, /* get_by_issuer_serial */ + NULL, /* get_by_fingerprint */ + NULL, /* get_by_alias */ +}; X509_LOOKUP_METHOD *X509_LOOKUP_hash_dir(void) - { - return(&x509_dir_lookup); - } +{ + return (&x509_dir_lookup); +} static int dir_ctrl(X509_LOOKUP *ctx, int cmd, const char *argp, long argl, - char **retp) - { - int ret=0; - BY_DIR *ld; - char *dir = NULL; - - ld=(BY_DIR *)ctx->method_data; - - switch (cmd) - { - case X509_L_ADD_DIR: - if (argl == X509_FILETYPE_DEFAULT) - { - dir=(char *)getenv(X509_get_default_cert_dir_env()); - if (dir) - ret=add_cert_dir(ld,dir,X509_FILETYPE_PEM); - else - ret=add_cert_dir(ld,X509_get_default_cert_dir(), - X509_FILETYPE_PEM); - if (!ret) - { - X509err(X509_F_DIR_CTRL,X509_R_LOADING_CERT_DIR); - } - } - else - ret=add_cert_dir(ld,argp,(int)argl); - break; - } - return(ret); - } + char **retp) +{ + int ret = 0; + BY_DIR *ld; + char *dir = NULL; + + ld = (BY_DIR *)ctx->method_data; + + switch (cmd) { + case X509_L_ADD_DIR: + if (argl == X509_FILETYPE_DEFAULT) { + dir = (char *)getenv(X509_get_default_cert_dir_env()); + if (dir) + ret = add_cert_dir(ld, dir, X509_FILETYPE_PEM); + else + ret = add_cert_dir(ld, X509_get_default_cert_dir(), + X509_FILETYPE_PEM); + if (!ret) { + X509err(X509_F_DIR_CTRL, X509_R_LOADING_CERT_DIR); + } + } else + ret = add_cert_dir(ld, argp, (int)argl); + break; + } + return (ret); +} static int new_dir(X509_LOOKUP *lu) - { - BY_DIR *a; - - if ((a=(BY_DIR *)OPENSSL_malloc(sizeof(BY_DIR))) == NULL) - return(0); - if ((a->buffer=BUF_MEM_new()) == NULL) - { - OPENSSL_free(a); - return(0); - } - a->dirs=NULL; - lu->method_data=(char *)a; - return(1); - } +{ + BY_DIR *a; + + if ((a = (BY_DIR *)OPENSSL_malloc(sizeof(BY_DIR))) == NULL) + return (0); + if ((a->buffer = BUF_MEM_new()) == NULL) { + OPENSSL_free(a); + return (0); + } + a->dirs = NULL; + lu->method_data = (char *)a; + return (1); +} static void by_dir_hash_free(BY_DIR_HASH *hash) - { - OPENSSL_free(hash); - } - -static int by_dir_hash_cmp(const BY_DIR_HASH * const *a, - const BY_DIR_HASH * const *b) - { - if ((*a)->hash > (*b)->hash) - return 1; - if ((*a)->hash < (*b)->hash) - return -1; - return 0; - } +{ + OPENSSL_free(hash); +} + +static int by_dir_hash_cmp(const BY_DIR_HASH *const *a, + const BY_DIR_HASH *const *b) +{ + if ((*a)->hash > (*b)->hash) + return 1; + if ((*a)->hash < (*b)->hash) + return -1; + return 0; +} static void by_dir_entry_free(BY_DIR_ENTRY *ent) - { - if (ent->dir) - OPENSSL_free(ent->dir); - if (ent->hashes) - sk_BY_DIR_HASH_pop_free(ent->hashes, by_dir_hash_free); - OPENSSL_free(ent); - } +{ + if (ent->dir) + OPENSSL_free(ent->dir); + if (ent->hashes) + sk_BY_DIR_HASH_pop_free(ent->hashes, by_dir_hash_free); + OPENSSL_free(ent); +} static void free_dir(X509_LOOKUP *lu) - { - BY_DIR *a; +{ + BY_DIR *a; - a=(BY_DIR *)lu->method_data; - if (a->dirs != NULL) - sk_BY_DIR_ENTRY_pop_free(a->dirs, by_dir_entry_free); - if (a->buffer != NULL) - BUF_MEM_free(a->buffer); - OPENSSL_free(a); - } + a = (BY_DIR *)lu->method_data; + if (a->dirs != NULL) + sk_BY_DIR_ENTRY_pop_free(a->dirs, by_dir_entry_free); + if (a->buffer != NULL) + BUF_MEM_free(a->buffer); + OPENSSL_free(a); +} static int add_cert_dir(BY_DIR *ctx, const char *dir, int type) - { - int j,len; - const char *s,*ss,*p; - - if (dir == NULL || !*dir) - { - X509err(X509_F_ADD_CERT_DIR,X509_R_INVALID_DIRECTORY); - return 0; - } - - s=dir; - p=s; - do - { - if ((*p == LIST_SEPARATOR_CHAR) || (*p == '\0')) - { - BY_DIR_ENTRY *ent; - ss=s; - s=p+1; - len=(int)(p-ss); - if (len == 0) continue; - for (j=0; j < sk_BY_DIR_ENTRY_num(ctx->dirs); j++) - { - ent = sk_BY_DIR_ENTRY_value(ctx->dirs, j); - if (strlen(ent->dir) == (size_t)len && - strncmp(ent->dir,ss,(unsigned int)len) == 0) - break; - } - if (j < sk_BY_DIR_ENTRY_num(ctx->dirs)) - continue; - if (ctx->dirs == NULL) - { - ctx->dirs = sk_BY_DIR_ENTRY_new_null(); - if (!ctx->dirs) - { - X509err(X509_F_ADD_CERT_DIR,ERR_R_MALLOC_FAILURE); - return 0; - } - } - ent = OPENSSL_malloc(sizeof(BY_DIR_ENTRY)); - if (!ent) - return 0; - ent->dir_type = type; - ent->hashes = sk_BY_DIR_HASH_new(by_dir_hash_cmp); - ent->dir = OPENSSL_malloc((unsigned int)len+1); - if (!ent->dir || !ent->hashes) - { - by_dir_entry_free(ent); - return 0; - } - strncpy(ent->dir,ss,(unsigned int)len); - ent->dir[len] = '\0'; - if (!sk_BY_DIR_ENTRY_push(ctx->dirs, ent)) - { - by_dir_entry_free(ent); - return 0; - } - } - } while (*p++ != '\0'); - return 1; - } +{ + int j, len; + const char *s, *ss, *p; + + if (dir == NULL || !*dir) { + X509err(X509_F_ADD_CERT_DIR, X509_R_INVALID_DIRECTORY); + return 0; + } + + s = dir; + p = s; + do { + if ((*p == LIST_SEPARATOR_CHAR) || (*p == '\0')) { + BY_DIR_ENTRY *ent; + ss = s; + s = p + 1; + len = (int)(p - ss); + if (len == 0) + continue; + for (j = 0; j < sk_BY_DIR_ENTRY_num(ctx->dirs); j++) { + ent = sk_BY_DIR_ENTRY_value(ctx->dirs, j); + if (strlen(ent->dir) == (size_t)len && + strncmp(ent->dir, ss, (unsigned int)len) == 0) + break; + } + if (j < sk_BY_DIR_ENTRY_num(ctx->dirs)) + continue; + if (ctx->dirs == NULL) { + ctx->dirs = sk_BY_DIR_ENTRY_new_null(); + if (!ctx->dirs) { + X509err(X509_F_ADD_CERT_DIR, ERR_R_MALLOC_FAILURE); + return 0; + } + } + ent = OPENSSL_malloc(sizeof(BY_DIR_ENTRY)); + if (!ent) + return 0; + ent->dir_type = type; + ent->hashes = sk_BY_DIR_HASH_new(by_dir_hash_cmp); + ent->dir = OPENSSL_malloc((unsigned int)len + 1); + if (!ent->dir || !ent->hashes) { + by_dir_entry_free(ent); + return 0; + } + strncpy(ent->dir, ss, (unsigned int)len); + ent->dir[len] = '\0'; + if (!sk_BY_DIR_ENTRY_push(ctx->dirs, ent)) { + by_dir_entry_free(ent); + return 0; + } + } + } while (*p++ != '\0'); + return 1; +} static int get_cert_by_subject(X509_LOOKUP *xl, int type, X509_NAME *name, - X509_OBJECT *ret) - { - BY_DIR *ctx; - union { - struct { - X509 st_x509; - X509_CINF st_x509_cinf; - } x509; - struct { - X509_CRL st_crl; - X509_CRL_INFO st_crl_info; - } crl; - } data; - int ok=0; - int i,j,k; - unsigned long h; - BUF_MEM *b=NULL; - X509_OBJECT stmp,*tmp; - const char *postfix=""; - - if (name == NULL) return(0); - - stmp.type=type; - if (type == X509_LU_X509) - { - data.x509.st_x509.cert_info= &data.x509.st_x509_cinf; - data.x509.st_x509_cinf.subject=name; - stmp.data.x509= &data.x509.st_x509; - postfix=""; - } - else if (type == X509_LU_CRL) - { - data.crl.st_crl.crl= &data.crl.st_crl_info; - data.crl.st_crl_info.issuer=name; - stmp.data.crl= &data.crl.st_crl; - postfix="r"; - } - else - { - X509err(X509_F_GET_CERT_BY_SUBJECT,X509_R_WRONG_LOOKUP_TYPE); - goto finish; - } - - if ((b=BUF_MEM_new()) == NULL) - { - X509err(X509_F_GET_CERT_BY_SUBJECT,ERR_R_BUF_LIB); - goto finish; - } - - ctx=(BY_DIR *)xl->method_data; - - h=X509_NAME_hash(name); - for (i=0; i < sk_BY_DIR_ENTRY_num(ctx->dirs); i++) - { - BY_DIR_ENTRY *ent; - int idx; - BY_DIR_HASH htmp, *hent; - ent = sk_BY_DIR_ENTRY_value(ctx->dirs, i); - j=strlen(ent->dir)+1+8+6+1+1; - if (!BUF_MEM_grow(b,j)) - { - X509err(X509_F_GET_CERT_BY_SUBJECT,ERR_R_MALLOC_FAILURE); - goto finish; - } - if (type == X509_LU_CRL && ent->hashes) - { - htmp.hash = h; - CRYPTO_r_lock(CRYPTO_LOCK_X509_STORE); - idx = sk_BY_DIR_HASH_find(ent->hashes, &htmp); - if (idx >= 0) - { - hent = sk_BY_DIR_HASH_value(ent->hashes, idx); - k = hent->suffix; - } - else - { - hent = NULL; - k=0; - } - CRYPTO_r_unlock(CRYPTO_LOCK_X509_STORE); - } - else - { - k = 0; - hent = NULL; - } - for (;;) - { - char c = '/'; + X509_OBJECT *ret) +{ + BY_DIR *ctx; + union { + struct { + X509 st_x509; + X509_CINF st_x509_cinf; + } x509; + struct { + X509_CRL st_crl; + X509_CRL_INFO st_crl_info; + } crl; + } data; + int ok = 0; + int i, j, k; + unsigned long h; + BUF_MEM *b = NULL; + X509_OBJECT stmp, *tmp; + const char *postfix = ""; + + if (name == NULL) + return (0); + + stmp.type = type; + if (type == X509_LU_X509) { + data.x509.st_x509.cert_info = &data.x509.st_x509_cinf; + data.x509.st_x509_cinf.subject = name; + stmp.data.x509 = &data.x509.st_x509; + postfix = ""; + } else if (type == X509_LU_CRL) { + data.crl.st_crl.crl = &data.crl.st_crl_info; + data.crl.st_crl_info.issuer = name; + stmp.data.crl = &data.crl.st_crl; + postfix = "r"; + } else { + X509err(X509_F_GET_CERT_BY_SUBJECT, X509_R_WRONG_LOOKUP_TYPE); + goto finish; + } + + if ((b = BUF_MEM_new()) == NULL) { + X509err(X509_F_GET_CERT_BY_SUBJECT, ERR_R_BUF_LIB); + goto finish; + } + + ctx = (BY_DIR *)xl->method_data; + + h = X509_NAME_hash(name); + for (i = 0; i < sk_BY_DIR_ENTRY_num(ctx->dirs); i++) { + BY_DIR_ENTRY *ent; + int idx; + BY_DIR_HASH htmp, *hent; + ent = sk_BY_DIR_ENTRY_value(ctx->dirs, i); + j = strlen(ent->dir) + 1 + 8 + 6 + 1 + 1; + if (!BUF_MEM_grow(b, j)) { + X509err(X509_F_GET_CERT_BY_SUBJECT, ERR_R_MALLOC_FAILURE); + goto finish; + } + if (type == X509_LU_CRL && ent->hashes) { + htmp.hash = h; + CRYPTO_r_lock(CRYPTO_LOCK_X509_STORE); + idx = sk_BY_DIR_HASH_find(ent->hashes, &htmp); + if (idx >= 0) { + hent = sk_BY_DIR_HASH_value(ent->hashes, idx); + k = hent->suffix; + } else { + hent = NULL; + k = 0; + } + CRYPTO_r_unlock(CRYPTO_LOCK_X509_STORE); + } else { + k = 0; + hent = NULL; + } + for (;;) { + char c = '/'; #ifdef OPENSSL_SYS_VMS - c = ent->dir[strlen(ent->dir)-1]; - if (c != ':' && c != '>' && c != ']') - { - /* If no separator is present, we assume the - directory specifier is a logical name, and - add a colon. We really should use better - VMS routines for merging things like this, - but this will do for now... - -- Richard Levitte */ - c = ':'; - } - else - { - c = '\0'; - } + c = ent->dir[strlen(ent->dir) - 1]; + if (c != ':' && c != '>' && c != ']') { + /* + * If no separator is present, we assume the directory + * specifier is a logical name, and add a colon. We really + * should use better VMS routines for merging things like + * this, but this will do for now... -- Richard Levitte + */ + c = ':'; + } else { + c = '\0'; + } #endif - if (c == '\0') - { - /* This is special. When c == '\0', no - directory separator should be added. */ - BIO_snprintf(b->data,b->max, - "%s%08lx.%s%d",ent->dir,h, - postfix,k); - } - else - { - BIO_snprintf(b->data,b->max, - "%s%c%08lx.%s%d",ent->dir,c,h, - postfix,k); - } + if (c == '\0') { + /* + * This is special. When c == '\0', no directory separator + * should be added. + */ + BIO_snprintf(b->data, b->max, + "%s%08lx.%s%d", ent->dir, h, postfix, k); + } else { + BIO_snprintf(b->data, b->max, + "%s%c%08lx.%s%d", ent->dir, c, h, postfix, k); + } #ifndef OPENSSL_NO_POSIX_IO -#ifdef _WIN32 -#define stat _stat -#endif - { - struct stat st; - if (stat(b->data,&st) < 0) - break; - } +# ifdef _WIN32 +# define stat _stat +# endif + { + struct stat st; + if (stat(b->data, &st) < 0) + break; + } #endif - /* found one. */ - if (type == X509_LU_X509) - { - if ((X509_load_cert_file(xl,b->data, - ent->dir_type)) == 0) - break; - } - else if (type == X509_LU_CRL) - { - if ((X509_load_crl_file(xl,b->data, - ent->dir_type)) == 0) - break; - } - /* else case will caught higher up */ - k++; - } - - /* we have added it to the cache so now pull - * it out again */ - CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE); - j = sk_X509_OBJECT_find(xl->store_ctx->objs,&stmp); - if(j != -1) tmp=sk_X509_OBJECT_value(xl->store_ctx->objs,j); - else tmp = NULL; - CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE); - - - /* If a CRL, update the last file suffix added for this */ - - if (type == X509_LU_CRL) - { - CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE); - /* Look for entry again in case another thread added - * an entry first. - */ - if (!hent) - { - htmp.hash = h; - idx = sk_BY_DIR_HASH_find(ent->hashes, &htmp); - if (idx >= 0) - hent = - sk_BY_DIR_HASH_value(ent->hashes, idx); - } - if (!hent) - { - hent = OPENSSL_malloc(sizeof(BY_DIR_HASH)); - if (hent == NULL) - { - CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE); - X509err(X509_F_GET_CERT_BY_SUBJECT,ERR_R_MALLOC_FAILURE); - ok = 0; - goto finish; - } - hent->hash = h; - hent->suffix = k; - if (!sk_BY_DIR_HASH_push(ent->hashes, hent)) - { - CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE); - OPENSSL_free(hent); - ok = 0; - goto finish; - } - } - else if (hent->suffix < k) - hent->suffix = k; - - CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE); - - } - - if (tmp != NULL) - { - ok=1; - ret->type=tmp->type; - memcpy(&ret->data,&tmp->data,sizeof(ret->data)); - /* If we were going to up the reference count, - * we would need to do it on a perl 'type' - * basis */ - /*- CRYPTO_add(&tmp->data.x509->references,1, - CRYPTO_LOCK_X509);*/ - goto finish; - } - } -finish: - if (b != NULL) BUF_MEM_free(b); - return(ok); - } + /* found one. */ + if (type == X509_LU_X509) { + if ((X509_load_cert_file(xl, b->data, ent->dir_type)) == 0) + break; + } else if (type == X509_LU_CRL) { + if ((X509_load_crl_file(xl, b->data, ent->dir_type)) == 0) + break; + } + /* else case will caught higher up */ + k++; + } + + /* + * we have added it to the cache so now pull it out again + */ + CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE); + j = sk_X509_OBJECT_find(xl->store_ctx->objs, &stmp); + if (j != -1) + tmp = sk_X509_OBJECT_value(xl->store_ctx->objs, j); + else + tmp = NULL; + CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE); + + /* If a CRL, update the last file suffix added for this */ + + if (type == X509_LU_CRL) { + CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE); + /* + * Look for entry again in case another thread added an entry + * first. + */ + if (!hent) { + htmp.hash = h; + idx = sk_BY_DIR_HASH_find(ent->hashes, &htmp); + if (idx >= 0) + hent = sk_BY_DIR_HASH_value(ent->hashes, idx); + } + if (!hent) { + hent = OPENSSL_malloc(sizeof(BY_DIR_HASH)); + if (hent == NULL) { + CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE); + X509err(X509_F_GET_CERT_BY_SUBJECT, ERR_R_MALLOC_FAILURE); + ok = 0; + goto finish; + } + hent->hash = h; + hent->suffix = k; + if (!sk_BY_DIR_HASH_push(ent->hashes, hent)) { + CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE); + OPENSSL_free(hent); + ok = 0; + goto finish; + } + } else if (hent->suffix < k) + hent->suffix = k; + + CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE); + + } + + if (tmp != NULL) { + ok = 1; + ret->type = tmp->type; + memcpy(&ret->data, &tmp->data, sizeof(ret->data)); + /* + * If we were going to up the reference count, we would need to + * do it on a perl 'type' basis + */ + /*- CRYPTO_add(&tmp->data.x509->references,1, + CRYPTO_LOCK_X509);*/ + goto finish; + } + } + finish: + if (b != NULL) + BUF_MEM_free(b); + return (ok); +} |