diff options
Diffstat (limited to 'openssl/crypto/conf/conf_def.c')
| -rw-r--r-- | openssl/crypto/conf/conf_def.c | 1171 |
1 files changed, 569 insertions, 602 deletions
diff --git a/openssl/crypto/conf/conf_def.c b/openssl/crypto/conf/conf_def.c index f0b276873..faca9aeb5 100644 --- a/openssl/crypto/conf/conf_def.c +++ b/openssl/crypto/conf/conf_def.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 @@ -72,10 +72,10 @@ static char *eat_ws(CONF *conf, char *p); static char *eat_alpha_numeric(CONF *conf, char *p); static void clear_comments(CONF *conf, char *p); -static int str_copy(CONF *conf,char *section,char **to, char *from); +static int str_copy(CONF *conf, char *section, char **to, char *from); static char *scan_quote(CONF *conf, char *p); static char *scan_dquote(CONF *conf, char *p); -#define scan_esc(conf,p) (((IS_EOF((conf),(p)[1]))?((p)+1):((p)+2))) +#define scan_esc(conf,p) (((IS_EOF((conf),(p)[1]))?((p)+1):((p)+2))) static CONF *def_create(CONF_METHOD *meth); static int def_init_default(CONF *conf); @@ -88,653 +88,620 @@ static int def_dump(const CONF *conf, BIO *bp); static int def_is_number(const CONF *conf, char c); static int def_to_int(const CONF *conf, char c); -const char CONF_def_version[]="CONF_def" OPENSSL_VERSION_PTEXT; +const char CONF_def_version[] = "CONF_def" OPENSSL_VERSION_PTEXT; static CONF_METHOD default_method = { - "OpenSSL default", - def_create, - def_init_default, - def_destroy, - def_destroy_data, - def_load_bio, - def_dump, - def_is_number, - def_to_int, - def_load - }; + "OpenSSL default", + def_create, + def_init_default, + def_destroy, + def_destroy_data, + def_load_bio, + def_dump, + def_is_number, + def_to_int, + def_load +}; static CONF_METHOD WIN32_method = { - "WIN32", - def_create, - def_init_WIN32, - def_destroy, - def_destroy_data, - def_load_bio, - def_dump, - def_is_number, - def_to_int, - def_load - }; + "WIN32", + def_create, + def_init_WIN32, + def_destroy, + def_destroy_data, + def_load_bio, + def_dump, + def_is_number, + def_to_int, + def_load +}; CONF_METHOD *NCONF_default() - { - return &default_method; - } +{ + return &default_method; +} + CONF_METHOD *NCONF_WIN32() - { - return &WIN32_method; - } +{ + return &WIN32_method; +} static CONF *def_create(CONF_METHOD *meth) - { - CONF *ret; - - ret = OPENSSL_malloc(sizeof(CONF) + sizeof(unsigned short *)); - if (ret) - if (meth->init(ret) == 0) - { - OPENSSL_free(ret); - ret = NULL; - } - return ret; - } - +{ + CONF *ret; + + ret = OPENSSL_malloc(sizeof(CONF) + sizeof(unsigned short *)); + if (ret) + if (meth->init(ret) == 0) { + OPENSSL_free(ret); + ret = NULL; + } + return ret; +} + static int def_init_default(CONF *conf) - { - if (conf == NULL) - return 0; +{ + if (conf == NULL) + return 0; - conf->meth = &default_method; - conf->meth_data = CONF_type_default; - conf->data = NULL; + conf->meth = &default_method; + conf->meth_data = CONF_type_default; + conf->data = NULL; - return 1; - } + return 1; +} static int def_init_WIN32(CONF *conf) - { - if (conf == NULL) - return 0; +{ + if (conf == NULL) + return 0; - conf->meth = &WIN32_method; - conf->meth_data = (void *)CONF_type_win32; - conf->data = NULL; + conf->meth = &WIN32_method; + conf->meth_data = (void *)CONF_type_win32; + conf->data = NULL; - return 1; - } + return 1; +} static int def_destroy(CONF *conf) - { - if (def_destroy_data(conf)) - { - OPENSSL_free(conf); - return 1; - } - return 0; - } +{ + if (def_destroy_data(conf)) { + OPENSSL_free(conf); + return 1; + } + return 0; +} static int def_destroy_data(CONF *conf) - { - if (conf == NULL) - return 0; - _CONF_free_data(conf); - return 1; - } +{ + if (conf == NULL) + return 0; + _CONF_free_data(conf); + return 1; +} static int def_load(CONF *conf, const char *name, long *line) - { - int ret; - BIO *in=NULL; +{ + int ret; + BIO *in = NULL; #ifdef OPENSSL_SYS_VMS - in=BIO_new_file(name, "r"); + in = BIO_new_file(name, "r"); #else - in=BIO_new_file(name, "rb"); + in = BIO_new_file(name, "rb"); #endif - if (in == NULL) - { - if (ERR_GET_REASON(ERR_peek_last_error()) == BIO_R_NO_SUCH_FILE) - CONFerr(CONF_F_DEF_LOAD,CONF_R_NO_SUCH_FILE); - else - CONFerr(CONF_F_DEF_LOAD,ERR_R_SYS_LIB); - return 0; - } + if (in == NULL) { + if (ERR_GET_REASON(ERR_peek_last_error()) == BIO_R_NO_SUCH_FILE) + CONFerr(CONF_F_DEF_LOAD, CONF_R_NO_SUCH_FILE); + else + CONFerr(CONF_F_DEF_LOAD, ERR_R_SYS_LIB); + return 0; + } - ret = def_load_bio(conf, in, line); - BIO_free(in); + ret = def_load_bio(conf, in, line); + BIO_free(in); - return ret; - } + return ret; +} static int def_load_bio(CONF *conf, BIO *in, long *line) - { +{ /* The macro BUFSIZE conflicts with a system macro in VxWorks */ -#define CONFBUFSIZE 512 - int bufnum=0,i,ii; - BUF_MEM *buff=NULL; - char *s,*p,*end; - int again; - long eline=0; - char btmp[DECIMAL_SIZE(eline)+1]; - CONF_VALUE *v=NULL,*tv; - CONF_VALUE *sv=NULL; - char *section=NULL,*buf; - char *start,*psection,*pname; - void *h = (void *)(conf->data); - - if ((buff=BUF_MEM_new()) == NULL) - { - CONFerr(CONF_F_DEF_LOAD_BIO,ERR_R_BUF_LIB); - goto err; - } - - section=(char *)OPENSSL_malloc(10); - if (section == NULL) - { - CONFerr(CONF_F_DEF_LOAD_BIO,ERR_R_MALLOC_FAILURE); - goto err; - } - BUF_strlcpy(section,"default",10); - - if (_CONF_new_data(conf) == 0) - { - CONFerr(CONF_F_DEF_LOAD_BIO,ERR_R_MALLOC_FAILURE); - goto err; - } - - sv=_CONF_new_section(conf,section); - if (sv == NULL) - { - CONFerr(CONF_F_DEF_LOAD_BIO, - CONF_R_UNABLE_TO_CREATE_NEW_SECTION); - goto err; - } - - bufnum=0; - again=0; - for (;;) - { - if (!BUF_MEM_grow(buff,bufnum+CONFBUFSIZE)) - { - CONFerr(CONF_F_DEF_LOAD_BIO,ERR_R_BUF_LIB); - goto err; - } - p= &(buff->data[bufnum]); - *p='\0'; - BIO_gets(in, p, CONFBUFSIZE-1); - p[CONFBUFSIZE-1]='\0'; - ii=i=strlen(p); - if (i == 0 && !again) break; - again=0; - while (i > 0) - { - if ((p[i-1] != '\r') && (p[i-1] != '\n')) - break; - else - i--; - } - /* we removed some trailing stuff so there is a new - * line on the end. */ - if (ii && i == ii) - again=1; /* long line */ - else - { - p[i]='\0'; - eline++; /* another input line */ - } - - /* we now have a line with trailing \r\n removed */ - - /* i is the number of bytes */ - bufnum+=i; - - v=NULL; - /* check for line continuation */ - if (bufnum >= 1) - { - /* If we have bytes and the last char '\\' and - * second last char is not '\\' */ - p= &(buff->data[bufnum-1]); - if (IS_ESC(conf,p[0]) && - ((bufnum <= 1) || !IS_ESC(conf,p[-1]))) - { - bufnum--; - again=1; - } - } - if (again) continue; - bufnum=0; - buf=buff->data; - - clear_comments(conf, buf); - s=eat_ws(conf, buf); - if (IS_EOF(conf,*s)) continue; /* blank line */ - if (*s == '[') - { - char *ss; - - s++; - start=eat_ws(conf, s); - ss=start; -again: - end=eat_alpha_numeric(conf, ss); - p=eat_ws(conf, end); - if (*p != ']') - { - if (*p != '\0' && ss != p) - { - ss=p; - goto again; - } - CONFerr(CONF_F_DEF_LOAD_BIO, - CONF_R_MISSING_CLOSE_SQUARE_BRACKET); - goto err; - } - *end='\0'; - if (!str_copy(conf,NULL,§ion,start)) goto err; - if ((sv=_CONF_get_section(conf,section)) == NULL) - sv=_CONF_new_section(conf,section); - if (sv == NULL) - { - CONFerr(CONF_F_DEF_LOAD_BIO, - CONF_R_UNABLE_TO_CREATE_NEW_SECTION); - goto err; - } - continue; - } - else - { - pname=s; - psection=NULL; - end=eat_alpha_numeric(conf, s); - if ((end[0] == ':') && (end[1] == ':')) - { - *end='\0'; - end+=2; - psection=pname; - pname=end; - end=eat_alpha_numeric(conf, end); - } - p=eat_ws(conf, end); - if (*p != '=') - { - CONFerr(CONF_F_DEF_LOAD_BIO, - CONF_R_MISSING_EQUAL_SIGN); - goto err; - } - *end='\0'; - p++; - start=eat_ws(conf, p); - while (!IS_EOF(conf,*p)) - p++; - p--; - while ((p != start) && (IS_WS(conf,*p))) - p--; - p++; - *p='\0'; - - if (!(v=(CONF_VALUE *)OPENSSL_malloc(sizeof(CONF_VALUE)))) - { - CONFerr(CONF_F_DEF_LOAD_BIO, - ERR_R_MALLOC_FAILURE); - goto err; - } - if (psection == NULL) psection=section; - v->name=(char *)OPENSSL_malloc(strlen(pname)+1); - v->value=NULL; - if (v->name == NULL) - { - CONFerr(CONF_F_DEF_LOAD_BIO, - ERR_R_MALLOC_FAILURE); - goto err; - } - BUF_strlcpy(v->name,pname,strlen(pname)+1); - if (!str_copy(conf,psection,&(v->value),start)) goto err; - - if (strcmp(psection,section) != 0) - { - if ((tv=_CONF_get_section(conf,psection)) - == NULL) - tv=_CONF_new_section(conf,psection); - if (tv == NULL) - { - CONFerr(CONF_F_DEF_LOAD_BIO, - CONF_R_UNABLE_TO_CREATE_NEW_SECTION); - goto err; - } - } - else - tv=sv; +#define CONFBUFSIZE 512 + int bufnum = 0, i, ii; + BUF_MEM *buff = NULL; + char *s, *p, *end; + int again; + long eline = 0; + char btmp[DECIMAL_SIZE(eline) + 1]; + CONF_VALUE *v = NULL, *tv; + CONF_VALUE *sv = NULL; + char *section = NULL, *buf; + char *start, *psection, *pname; + void *h = (void *)(conf->data); + + if ((buff = BUF_MEM_new()) == NULL) { + CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_BUF_LIB); + goto err; + } + + section = (char *)OPENSSL_malloc(10); + if (section == NULL) { + CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_MALLOC_FAILURE); + goto err; + } + BUF_strlcpy(section, "default", 10); + + if (_CONF_new_data(conf) == 0) { + CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_MALLOC_FAILURE); + goto err; + } + + sv = _CONF_new_section(conf, section); + if (sv == NULL) { + CONFerr(CONF_F_DEF_LOAD_BIO, CONF_R_UNABLE_TO_CREATE_NEW_SECTION); + goto err; + } + + bufnum = 0; + again = 0; + for (;;) { + if (!BUF_MEM_grow(buff, bufnum + CONFBUFSIZE)) { + CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_BUF_LIB); + goto err; + } + p = &(buff->data[bufnum]); + *p = '\0'; + BIO_gets(in, p, CONFBUFSIZE - 1); + p[CONFBUFSIZE - 1] = '\0'; + ii = i = strlen(p); + if (i == 0 && !again) + break; + again = 0; + while (i > 0) { + if ((p[i - 1] != '\r') && (p[i - 1] != '\n')) + break; + else + i--; + } + /* + * we removed some trailing stuff so there is a new line on the end. + */ + if (ii && i == ii) + again = 1; /* long line */ + else { + p[i] = '\0'; + eline++; /* another input line */ + } + + /* we now have a line with trailing \r\n removed */ + + /* i is the number of bytes */ + bufnum += i; + + v = NULL; + /* check for line continuation */ + if (bufnum >= 1) { + /* + * If we have bytes and the last char '\\' and second last char + * is not '\\' + */ + p = &(buff->data[bufnum - 1]); + if (IS_ESC(conf, p[0]) && ((bufnum <= 1) || !IS_ESC(conf, p[-1]))) { + bufnum--; + again = 1; + } + } + if (again) + continue; + bufnum = 0; + buf = buff->data; + + clear_comments(conf, buf); + s = eat_ws(conf, buf); + if (IS_EOF(conf, *s)) + continue; /* blank line */ + if (*s == '[') { + char *ss; + + s++; + start = eat_ws(conf, s); + ss = start; + again: + end = eat_alpha_numeric(conf, ss); + p = eat_ws(conf, end); + if (*p != ']') { + if (*p != '\0' && ss != p) { + ss = p; + goto again; + } + CONFerr(CONF_F_DEF_LOAD_BIO, + CONF_R_MISSING_CLOSE_SQUARE_BRACKET); + goto err; + } + *end = '\0'; + if (!str_copy(conf, NULL, §ion, start)) + goto err; + if ((sv = _CONF_get_section(conf, section)) == NULL) + sv = _CONF_new_section(conf, section); + if (sv == NULL) { + CONFerr(CONF_F_DEF_LOAD_BIO, + CONF_R_UNABLE_TO_CREATE_NEW_SECTION); + goto err; + } + continue; + } else { + pname = s; + psection = NULL; + end = eat_alpha_numeric(conf, s); + if ((end[0] == ':') && (end[1] == ':')) { + *end = '\0'; + end += 2; + psection = pname; + pname = end; + end = eat_alpha_numeric(conf, end); + } + p = eat_ws(conf, end); + if (*p != '=') { + CONFerr(CONF_F_DEF_LOAD_BIO, CONF_R_MISSING_EQUAL_SIGN); + goto err; + } + *end = '\0'; + p++; + start = eat_ws(conf, p); + while (!IS_EOF(conf, *p)) + p++; + p--; + while ((p != start) && (IS_WS(conf, *p))) + p--; + p++; + *p = '\0'; + + if (!(v = (CONF_VALUE *)OPENSSL_malloc(sizeof(CONF_VALUE)))) { + CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_MALLOC_FAILURE); + goto err; + } + if (psection == NULL) + psection = section; + v->name = (char *)OPENSSL_malloc(strlen(pname) + 1); + v->value = NULL; + if (v->name == NULL) { + CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_MALLOC_FAILURE); + goto err; + } + BUF_strlcpy(v->name, pname, strlen(pname) + 1); + if (!str_copy(conf, psection, &(v->value), start)) + goto err; + + if (strcmp(psection, section) != 0) { + if ((tv = _CONF_get_section(conf, psection)) + == NULL) + tv = _CONF_new_section(conf, psection); + if (tv == NULL) { + CONFerr(CONF_F_DEF_LOAD_BIO, + CONF_R_UNABLE_TO_CREATE_NEW_SECTION); + goto err; + } + } else + tv = sv; #if 1 - if (_CONF_add_string(conf, tv, v) == 0) - { - CONFerr(CONF_F_DEF_LOAD_BIO, - ERR_R_MALLOC_FAILURE); - goto err; - } + if (_CONF_add_string(conf, tv, v) == 0) { + CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_MALLOC_FAILURE); + goto err; + } #else - v->section=tv->section; - if (!sk_CONF_VALUE_push(ts,v)) - { - CONFerr(CONF_F_DEF_LOAD_BIO, - ERR_R_MALLOC_FAILURE); - goto err; - } - vv=(CONF_VALUE *)lh_insert(conf->data,v); - if (vv != NULL) - { - sk_CONF_VALUE_delete_ptr(ts,vv); - OPENSSL_free(vv->name); - OPENSSL_free(vv->value); - OPENSSL_free(vv); - } + v->section = tv->section; + if (!sk_CONF_VALUE_push(ts, v)) { + CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_MALLOC_FAILURE); + goto err; + } + vv = (CONF_VALUE *)lh_insert(conf->data, v); + if (vv != NULL) { + sk_CONF_VALUE_delete_ptr(ts, vv); + OPENSSL_free(vv->name); + OPENSSL_free(vv->value); + OPENSSL_free(vv); + } #endif - v=NULL; - } - } - if (buff != NULL) BUF_MEM_free(buff); - if (section != NULL) OPENSSL_free(section); - return(1); -err: - if (buff != NULL) BUF_MEM_free(buff); - if (section != NULL) OPENSSL_free(section); - if (line != NULL) *line=eline; - BIO_snprintf(btmp,sizeof btmp,"%ld",eline); - ERR_add_error_data(2,"line ",btmp); - if ((h != conf->data) && (conf->data != NULL)) - { - CONF_free(conf->data); - conf->data=NULL; - } - if (v != NULL) - { - if (v->name != NULL) OPENSSL_free(v->name); - if (v->value != NULL) OPENSSL_free(v->value); - if (v != NULL) OPENSSL_free(v); - } - return(0); - } + v = NULL; + } + } + if (buff != NULL) + BUF_MEM_free(buff); + if (section != NULL) + OPENSSL_free(section); + return (1); + err: + if (buff != NULL) + BUF_MEM_free(buff); + if (section != NULL) + OPENSSL_free(section); + if (line != NULL) + *line = eline; + BIO_snprintf(btmp, sizeof btmp, "%ld", eline); + ERR_add_error_data(2, "line ", btmp); + if ((h != conf->data) && (conf->data != NULL)) { + CONF_free(conf->data); + conf->data = NULL; + } + if (v != NULL) { + if (v->name != NULL) + OPENSSL_free(v->name); + if (v->value != NULL) + OPENSSL_free(v->value); + if (v != NULL) + OPENSSL_free(v); + } + return (0); +} static void clear_comments(CONF *conf, char *p) - { - for (;;) - { - if (IS_FCOMMENT(conf,*p)) - { - *p='\0'; - return; - } - if (!IS_WS(conf,*p)) - { - break; - } - p++; - } - - for (;;) - { - if (IS_COMMENT(conf,*p)) - { - *p='\0'; - return; - } - if (IS_DQUOTE(conf,*p)) - { - p=scan_dquote(conf, p); - continue; - } - if (IS_QUOTE(conf,*p)) - { - p=scan_quote(conf, p); - continue; - } - if (IS_ESC(conf,*p)) - { - p=scan_esc(conf,p); - continue; - } - if (IS_EOF(conf,*p)) - return; - else - p++; - } - } +{ + for (;;) { + if (IS_FCOMMENT(conf, *p)) { + *p = '\0'; + return; + } + if (!IS_WS(conf, *p)) { + break; + } + p++; + } + + for (;;) { + if (IS_COMMENT(conf, *p)) { + *p = '\0'; + return; + } + if (IS_DQUOTE(conf, *p)) { + p = scan_dquote(conf, p); + continue; + } + if (IS_QUOTE(conf, *p)) { + p = scan_quote(conf, p); + continue; + } + if (IS_ESC(conf, *p)) { + p = scan_esc(conf, p); + continue; + } + if (IS_EOF(conf, *p)) + return; + else + p++; + } +} static int str_copy(CONF *conf, char *section, char **pto, char *from) - { - int q,r,rr=0,to=0,len=0; - char *s,*e,*rp,*p,*rrp,*np,*cp,v; - BUF_MEM *buf; - - if ((buf=BUF_MEM_new()) == NULL) return(0); - - len=strlen(from)+1; - if (!BUF_MEM_grow(buf,len)) goto err; - - for (;;) - { - if (IS_QUOTE(conf,*from)) - { - q= *from; - from++; - while (!IS_EOF(conf,*from) && (*from != q)) - { - if (IS_ESC(conf,*from)) - { - from++; - if (IS_EOF(conf,*from)) break; - } - buf->data[to++]= *(from++); - } - if (*from == q) from++; - } - else if (IS_DQUOTE(conf,*from)) - { - q= *from; - from++; - while (!IS_EOF(conf,*from)) - { - if (*from == q) - { - if (*(from+1) == q) - { - from++; - } - else - { - break; - } - } - buf->data[to++]= *(from++); - } - if (*from == q) from++; - } - else if (IS_ESC(conf,*from)) - { - from++; - v= *(from++); - if (IS_EOF(conf,v)) break; - else if (v == 'r') v='\r'; - else if (v == 'n') v='\n'; - else if (v == 'b') v='\b'; - else if (v == 't') v='\t'; - buf->data[to++]= v; - } - else if (IS_EOF(conf,*from)) - break; - else if (*from == '$') - { - /* try to expand it */ - rrp=NULL; - s= &(from[1]); - if (*s == '{') - q='}'; - else if (*s == '(') - q=')'; - else q=0; - - if (q) s++; - cp=section; - e=np=s; - while (IS_ALPHA_NUMERIC(conf,*e)) - e++; - if ((e[0] == ':') && (e[1] == ':')) - { - cp=np; - rrp=e; - rr= *e; - *rrp='\0'; - e+=2; - np=e; - while (IS_ALPHA_NUMERIC(conf,*e)) - e++; - } - r= *e; - *e='\0'; - rp=e; - if (q) - { - if (r != q) - { - CONFerr(CONF_F_STR_COPY,CONF_R_NO_CLOSE_BRACE); - goto err; - } - e++; - } - /* So at this point we have - * np which is the start of the name string which is - * '\0' terminated. - * cp which is the start of the section string which is - * '\0' terminated. - * e is the 'next point after'. - * r and rr are the chars replaced by the '\0' - * rp and rrp is where 'r' and 'rr' came from. - */ - p=_CONF_get_string(conf,cp,np); - if (rrp != NULL) *rrp=rr; - *rp=r; - if (p == NULL) - { - CONFerr(CONF_F_STR_COPY,CONF_R_VARIABLE_HAS_NO_VALUE); - goto err; - } - BUF_MEM_grow_clean(buf,(strlen(p)+buf->length-(e-from))); - while (*p) - buf->data[to++]= *(p++); - - /* Since we change the pointer 'from', we also have - to change the perceived length of the string it - points at. /RL */ - len -= e-from; - from=e; - - /* In case there were no braces or parenthesis around - the variable reference, we have to put back the - character that was replaced with a '\0'. /RL */ - *rp = r; - } - else - buf->data[to++]= *(from++); - } - buf->data[to]='\0'; - if (*pto != NULL) OPENSSL_free(*pto); - *pto=buf->data; - OPENSSL_free(buf); - return(1); -err: - if (buf != NULL) BUF_MEM_free(buf); - return(0); - } +{ + int q, r, rr = 0, to = 0, len = 0; + char *s, *e, *rp, *p, *rrp, *np, *cp, v; + BUF_MEM *buf; + + if ((buf = BUF_MEM_new()) == NULL) + return (0); + + len = strlen(from) + 1; + if (!BUF_MEM_grow(buf, len)) + goto err; + + for (;;) { + if (IS_QUOTE(conf, *from)) { + q = *from; + from++; + while (!IS_EOF(conf, *from) && (*from != q)) { + if (IS_ESC(conf, *from)) { + from++; + if (IS_EOF(conf, *from)) + break; + } + buf->data[to++] = *(from++); + } + if (*from == q) + from++; + } else if (IS_DQUOTE(conf, *from)) { + q = *from; + from++; + while (!IS_EOF(conf, *from)) { + if (*from == q) { + if (*(from + 1) == q) { + from++; + } else { + break; + } + } + buf->data[to++] = *(from++); + } + if (*from == q) + from++; + } else if (IS_ESC(conf, *from)) { + from++; + v = *(from++); + if (IS_EOF(conf, v)) + break; + else if (v == 'r') + v = '\r'; + else if (v == 'n') + v = '\n'; + else if (v == 'b') + v = '\b'; + else if (v == 't') + v = '\t'; + buf->data[to++] = v; + } else if (IS_EOF(conf, *from)) + break; + else if (*from == '$') { + /* try to expand it */ + rrp = NULL; + s = &(from[1]); + if (*s == '{') + q = '}'; + else if (*s == '(') + q = ')'; + else + q = 0; + + if (q) + s++; + cp = section; + e = np = s; + while (IS_ALPHA_NUMERIC(conf, *e)) + e++; + if ((e[0] == ':') && (e[1] == ':')) { + cp = np; + rrp = e; + rr = *e; + *rrp = '\0'; + e += 2; + np = e; + while (IS_ALPHA_NUMERIC(conf, *e)) + e++; + } + r = *e; + *e = '\0'; + rp = e; + if (q) { + if (r != q) { + CONFerr(CONF_F_STR_COPY, CONF_R_NO_CLOSE_BRACE); + goto err; + } + e++; + } + /*- + * So at this point we have + * np which is the start of the name string which is + * '\0' terminated. + * cp which is the start of the section string which is + * '\0' terminated. + * e is the 'next point after'. + * r and rr are the chars replaced by the '\0' + * rp and rrp is where 'r' and 'rr' came from. + */ + p = _CONF_get_string(conf, cp, np); + if (rrp != NULL) + *rrp = rr; + *rp = r; + if (p == NULL) { + CONFerr(CONF_F_STR_COPY, CONF_R_VARIABLE_HAS_NO_VALUE); + goto err; + } + if (!BUF_MEM_grow_clean(buf, + (strlen(p) + buf->length - (e - from)))) { + CONFerr(CONF_F_STR_COPY, ERR_R_MALLOC_FAILURE); + goto err; + } + while (*p) + buf->data[to++] = *(p++); + + /* + * Since we change the pointer 'from', we also have to change the + * perceived length of the string it points at. /RL + */ + len -= e - from; + from = e; + + /* + * In case there were no braces or parenthesis around the + * variable reference, we have to put back the character that was + * replaced with a '\0'. /RL + */ + *rp = r; + } else + buf->data[to++] = *(from++); + } + buf->data[to] = '\0'; + if (*pto != NULL) + OPENSSL_free(*pto); + *pto = buf->data; + OPENSSL_free(buf); + return (1); + err: + if (buf != NULL) + BUF_MEM_free(buf); + return (0); +} static char *eat_ws(CONF *conf, char *p) - { - while (IS_WS(conf,*p) && (!IS_EOF(conf,*p))) - p++; - return(p); - } +{ + while (IS_WS(conf, *p) && (!IS_EOF(conf, *p))) + p++; + return (p); +} static char *eat_alpha_numeric(CONF *conf, char *p) - { - for (;;) - { - if (IS_ESC(conf,*p)) - { - p=scan_esc(conf,p); - continue; - } - if (!IS_ALPHA_NUMERIC_PUNCT(conf,*p)) - return(p); - p++; - } - } +{ + for (;;) { + if (IS_ESC(conf, *p)) { + p = scan_esc(conf, p); + continue; + } + if (!IS_ALPHA_NUMERIC_PUNCT(conf, *p)) + return (p); + p++; + } +} static char *scan_quote(CONF *conf, char *p) - { - int q= *p; - - p++; - while (!(IS_EOF(conf,*p)) && (*p != q)) - { - if (IS_ESC(conf,*p)) - { - p++; - if (IS_EOF(conf,*p)) return(p); - } - p++; - } - if (*p == q) p++; - return(p); - } - +{ + int q = *p; + + p++; + while (!(IS_EOF(conf, *p)) && (*p != q)) { + if (IS_ESC(conf, *p)) { + p++; + if (IS_EOF(conf, *p)) + return (p); + } + p++; + } + if (*p == q) + p++; + return (p); +} static char *scan_dquote(CONF *conf, char *p) - { - int q= *p; - - p++; - while (!(IS_EOF(conf,*p))) - { - if (*p == q) - { - if (*(p+1) == q) - { - p++; - } - else - { - break; - } - } - p++; - } - if (*p == q) p++; - return(p); - } +{ + int q = *p; + + p++; + while (!(IS_EOF(conf, *p))) { + if (*p == q) { + if (*(p + 1) == q) { + p++; + } else { + break; + } + } + p++; + } + if (*p == q) + p++; + return (p); +} static void dump_value_doall_arg(CONF_VALUE *a, BIO *out) - { - if (a->name) - BIO_printf(out, "[%s] %s=%s\n", a->section, a->name, a->value); - else - BIO_printf(out, "[[%s]]\n", a->section); - } +{ + if (a->name) + BIO_printf(out, "[%s] %s=%s\n", a->section, a->name, a->value); + else + BIO_printf(out, "[[%s]]\n", a->section); +} static IMPLEMENT_LHASH_DOALL_ARG_FN(dump_value, CONF_VALUE, BIO) static int def_dump(const CONF *conf, BIO *out) - { - lh_CONF_VALUE_doall_arg(conf->data, LHASH_DOALL_ARG_FN(dump_value), - BIO, out); - return 1; - } +{ + lh_CONF_VALUE_doall_arg(conf->data, LHASH_DOALL_ARG_FN(dump_value), + BIO, out); + return 1; +} static int def_is_number(const CONF *conf, char c) - { - return IS_NUMBER(conf,c); - } +{ + return IS_NUMBER(conf, c); +} static int def_to_int(const CONF *conf, char c) - { - return c - '0'; - } - +{ + return c - '0'; +} |