Move the definition of Win32_rename(), since the macro rename gets undefined
[openssl.git] / apps / apps.c
index 475e47e5701e91adefd6bf65d95338a361f60115..fa2f8a2b85352180420d56aea30f7388090b9e52 100644 (file)
 #include <openssl/engine.h>
 #endif
 
-#ifdef OPENSSL_SYS_WINDOWS
-#define strcasecmp _stricmp
-#else
-#  ifdef NO_STRINGS_H
-    int        strcasecmp();
-#  else
-#    include <strings.h>
-#  endif /* NO_STRINGS_H */
-#endif
-
 #define NON_MAIN
 #include "apps.h"
 #undef NON_MAIN
@@ -260,7 +250,7 @@ int str2fmt(char *s)
                return(FORMAT_UNDEF);
        }
 
-#if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16)
+#if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) || defined(OPENSSL_SYS_NETWARE)
 void program_name(char *in, char *out, int size)
        {
        int i,n;
@@ -279,12 +269,23 @@ void program_name(char *in, char *out, int size)
        if (p == NULL)
                p=in;
        n=strlen(p);
+
+#if defined(OPENSSL_SYS_NETWARE)
+   /* strip off trailing .nlm if present. */
+   if ((n > 4) && (p[n-4] == '.') &&
+      ((p[n-3] == 'n') || (p[n-3] == 'N')) &&
+      ((p[n-2] == 'l') || (p[n-2] == 'L')) &&
+      ((p[n-1] == 'm') || (p[n-1] == 'M')))
+      n-=4;
+#else
        /* strip off trailing .exe if present. */
        if ((n > 4) && (p[n-4] == '.') &&
                ((p[n-3] == 'e') || (p[n-3] == 'E')) &&
                ((p[n-2] == 'x') || (p[n-2] == 'X')) &&
                ((p[n-1] == 'e') || (p[n-1] == 'E')))
                n-=4;
+#endif
+
        if (n > size-1)
                n=size-1;
 
@@ -340,60 +341,6 @@ void program_name(char *in, char *out, int size)
 #endif
 #endif
 
-#ifdef OPENSSL_SYS_WIN32
-int WIN32_rename(char *from, char *to)
-       {
-#ifndef OPENSSL_SYS_WINCE
-       /* Windows rename gives an error if 'to' exists, so delete it
-        * first and ignore file not found errror
-        */
-       if((remove(to) != 0) && (errno != ENOENT))
-               return -1;
-#undef rename
-       return rename(from, to);
-#else
-       /* convert strings to UNICODE */
-       {
-       BOOL result = FALSE;
-       WCHAR* wfrom;
-       WCHAR* wto;
-       int i;
-       wfrom = malloc((strlen(from)+1)*2);
-       wto = malloc((strlen(to)+1)*2);
-       if (wfrom != NULL && wto != NULL)
-               {
-               for (i=0; i<(int)strlen(from)+1; i++)
-                       wfrom[i] = (short)from[i];
-               for (i=0; i<(int)strlen(to)+1; i++)
-                       wto[i] = (short)to[i];
-               result = MoveFile(wfrom, wto);
-               }
-       if (wfrom != NULL)
-               free(wfrom);
-       if (wto != NULL)
-               free(wto);
-       return result;
-       }
-#endif
-       }
-#endif
-
-#ifdef OPENSSL_SYS_VMS
-int VMS_strcasecmp(const char *str1, const char *str2)
-       {
-       while (*str1 && *str2)
-               {
-               int res = toupper(*str1) - toupper(*str2);
-               if (res) return res < 0 ? -1 : 1;
-               }
-       if (*str1)
-               return 1;
-       if (*str2)
-               return -1;
-       return 0;
-       }
-#endif
-
 int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
        {
        int num,len,i;
@@ -501,7 +448,7 @@ static int ui_read(UI *ui, UI_STRING *uis)
                        {
                        const char *password =
                                ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
-                       if (password[0] != '\0')
+                       if (password && password[0] != '\0')
                                {
                                UI_set_result(ui, uis, password);
                                return 1;
@@ -525,7 +472,7 @@ static int ui_write(UI *ui, UI_STRING *uis)
                        {
                        const char *password =
                                ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
-                       if (password[0] != '\0')
+                       if (password && password[0] != '\0')
                                return 1;
                        }
                default:
@@ -773,7 +720,7 @@ X509 *load_cert(BIO *err, const char *file, int format,
                x=d2i_X509_bio(cert,NULL);
        else if (format == FORMAT_NETSCAPE)
                {
-               unsigned char *p,*op;
+               const unsigned char *p,*op;
                int size=0,i;
 
                /* We sort of have to do it this way because it is sort of nice
@@ -1411,14 +1358,16 @@ int load_config(BIO *err, CONF *cnf)
 char *make_config_name()
        {
        const char *t=X509_get_default_cert_area();
+       size_t len;
        char *p;
 
-       p=OPENSSL_malloc(strlen(t)+strlen(OPENSSL_CONF)+2);
-       strcpy(p,t);
+       len=strlen(t)+strlen(OPENSSL_CONF)+2;
+       p=OPENSSL_malloc(len);
+       BUF_strlcpy(p,t,len);
 #ifndef OPENSSL_SYS_VMS
-       strcat(p,"/");
+       BUF_strlcat(p,"/",len);
 #endif
-       strcat(p,OPENSSL_CONF);
+       BUF_strlcat(p,OPENSSL_CONF,len);
 
        return p;
        }
@@ -1519,19 +1468,44 @@ BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai)
        return(ret);
        }
 
-int save_serial(char *serialfile, BIGNUM *serial, ASN1_INTEGER **retai)
+int save_serial(char *serialfile, char *suffix, BIGNUM *serial, ASN1_INTEGER **retai)
        {
-       BIO *out;
+       char buf[1][BSIZE];
+       BIO *out = NULL;
        int ret=0;
        ASN1_INTEGER *ai=NULL;
+       int j;
 
+       if (suffix == NULL)
+               j = strlen(serialfile);
+       else
+               j = strlen(serialfile) + strlen(suffix) + 1;
+       if (j >= BSIZE)
+               {
+               BIO_printf(bio_err,"file name too long\n");
+               goto err;
+               }
+
+       if (suffix == NULL)
+               BUF_strlcpy(buf[0], serialfile, BSIZE);
+       else
+               {
+#ifndef OPENSSL_SYS_VMS
+               j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, suffix);
+#else
+               j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, suffix);
+#endif
+               }
+#ifdef RL_DEBUG
+       BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
+#endif
        out=BIO_new(BIO_s_file());
        if (out == NULL)
                {
                ERR_print_errors(bio_err);
                goto err;
                }
-       if (BIO_write_filename(out,serialfile) <= 0)
+       if (BIO_write_filename(out,buf[0]) <= 0)
                {
                perror(serialfile);
                goto err;
@@ -1556,6 +1530,76 @@ err:
        return(ret);
        }
 
+int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
+       {
+       char buf[5][BSIZE];
+       int i,j;
+       struct stat sb;
+
+       i = strlen(serialfile) + strlen(old_suffix);
+       j = strlen(serialfile) + strlen(new_suffix);
+       if (i > j) j = i;
+       if (j + 1 >= BSIZE)
+               {
+               BIO_printf(bio_err,"file name too long\n");
+               goto err;
+               }
+
+#ifndef OPENSSL_SYS_VMS
+       j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
+               serialfile, new_suffix);
+#else
+       j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
+               serialfile, new_suffix);
+#endif
+#ifndef OPENSSL_SYS_VMS
+       j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
+               serialfile, old_suffix);
+#else
+       j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
+               serialfile, old_suffix);
+#endif
+       if (stat(serialfile,&sb) < 0)
+               {
+               if (errno != ENOENT 
+#ifdef ENOTDIR
+                       && errno != ENOTDIR)
+#endif
+                       goto err;
+               }
+       else
+               {
+#ifdef RL_DEBUG
+               BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
+                       serialfile, buf[1]);
+#endif
+               if (rename(serialfile,buf[1]) < 0)
+                       {
+                       BIO_printf(bio_err,
+                               "unable to rename %s to %s\n",
+                               serialfile, buf[1]);
+                       perror("reason");
+                       goto err;
+                       }
+               }
+#ifdef RL_DEBUG
+       BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
+               buf[0],serialfile);
+#endif
+       if (rename(buf[0],serialfile) < 0)
+               {
+               BIO_printf(bio_err,
+                       "unable to rename %s to %s\n",
+                       buf[0],serialfile);
+               perror("reason");
+               rename(buf[1],serialfile);
+               goto err;
+               }
+       return 1;
+ err:
+       return 0;
+       }
+
 CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)
        {
        CA_DB *retdb = NULL;
@@ -1624,23 +1668,10 @@ CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)
                char *p = NCONF_get_string(dbattr_conf,NULL,"unique_subject");
                if (p)
                        {
+#ifdef RL_DEBUG
                        BIO_printf(bio_err, "DEBUG[load_index]: unique_subject = \"%s\"\n", p);
-                       switch(*p)
-                               {
-                       case 'f': /* false */
-                       case 'F': /* FALSE */
-                       case 'n': /* no */
-                       case 'N': /* NO */
-                               retdb->attributes.unique_subject = 0;
-                               break;
-                       case 't': /* true */
-                       case 'T': /* TRUE */
-                       case 'y': /* yes */
-                       case 'Y': /* YES */
-                       default:
-                               retdb->attributes.unique_subject = 1;
-                               break;
-                               }
+#endif
+                       retdb->attributes.unique_subject = parse_yesno(p,1);
                        }
                }
 
@@ -1709,7 +1740,9 @@ int save_index(char *dbfile, char *suffix, CA_DB *db)
 #else
        j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, suffix);
 #endif
+#ifdef RL_DEBUG
        BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
+#endif
        if (BIO_write_filename(out,buf[0]) <= 0)
                {
                perror(dbfile);
@@ -1722,7 +1755,9 @@ int save_index(char *dbfile, char *suffix, CA_DB *db)
        BIO_free(out);
 
        out = BIO_new(BIO_s_file());
+#ifdef RL_DEBUG
        BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]);
+#endif
        if (BIO_write_filename(out,buf[1]) <= 0)
                {
                perror(buf[2]);
@@ -1796,8 +1831,10 @@ int rotate_index(char *dbfile, char *new_suffix, char *old_suffix)
                }
        else
                {
+#ifdef RL_DEBUG
                BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
                        dbfile, buf[1]);
+#endif
                if (rename(dbfile,buf[1]) < 0)
                        {
                        BIO_printf(bio_err,
@@ -1807,8 +1844,10 @@ int rotate_index(char *dbfile, char *new_suffix, char *old_suffix)
                        goto err;
                        }
                }
+#ifdef RL_DEBUG
        BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
                buf[0],dbfile);
+#endif
        if (rename(buf[0],dbfile) < 0)
                {
                BIO_printf(bio_err,
@@ -1828,8 +1867,10 @@ int rotate_index(char *dbfile, char *new_suffix, char *old_suffix)
                }
        else
                {
+#ifdef RL_DEBUG
                BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
                        buf[4],buf[3]);
+#endif
                if (rename(buf[4],buf[3]) < 0)
                        {
                        BIO_printf(bio_err,
@@ -1841,8 +1882,10 @@ int rotate_index(char *dbfile, char *new_suffix, char *old_suffix)
                        goto err;
                        }
                }
+#ifdef RL_DEBUG
        BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
                buf[2],buf[4]);
+#endif
        if (rename(buf[2],buf[4]) < 0)
                {
                BIO_printf(bio_err,
@@ -1861,6 +1904,213 @@ int rotate_index(char *dbfile, char *new_suffix, char *old_suffix)
 
 void free_index(CA_DB *db)
        {
-       TXT_DB_free(db->db);
-       OPENSSL_free(db);
+       if (db)
+               {
+               if (db->db) TXT_DB_free(db->db);
+               OPENSSL_free(db);
+               }
+       }
+
+int parse_yesno(char *str, int def)
+       {
+       int ret = def;
+       if (str)
+               {
+               switch (*str)
+                       {
+               case 'f': /* false */
+               case 'F': /* FALSE */
+               case 'n': /* no */
+               case 'N': /* NO */
+               case '0': /* 0 */
+                       ret = 0;
+                       break;
+               case 't': /* true */
+               case 'T': /* TRUE */
+               case 'y': /* yes */
+               case 'Y': /* YES */
+               case '1': /* 1 */
+                       ret = 0;
+                       break;
+               default:
+                       ret = def;
+                       break;
+                       }
+               }
+       return ret;
+       }
+
+/*
+ * subject is expected to be in the format /type0=value0/type1=value1/type2=...
+ * where characters may be escaped by \
+ */
+X509_NAME *parse_name(char *subject, long chtype, int multirdn)
+       {
+       size_t buflen = strlen(subject)+1; /* to copy the types and values into. due to escaping, the copy can only become shorter */
+       char *buf = OPENSSL_malloc(buflen);
+       size_t max_ne = buflen / 2 + 1; /* maximum number of name elements */
+       char **ne_types = OPENSSL_malloc(max_ne * sizeof (char *));
+       char **ne_values = OPENSSL_malloc(max_ne * sizeof (char *));
+       int *mval = OPENSSL_malloc (max_ne * sizeof (int));
+
+       char *sp = subject, *bp = buf;
+       int i, ne_num = 0;
+
+       X509_NAME *n = NULL;
+       int nid;
+
+       if (!buf || !ne_types || !ne_values)
+               {
+               BIO_printf(bio_err, "malloc error\n");
+               goto error;
+               }       
+
+       if (*subject != '/')
+               {
+               BIO_printf(bio_err, "Subject does not start with '/'.\n");
+               goto error;
+               }
+       sp++; /* skip leading / */
+
+       /* no multivalued RDN by default */
+       mval[ne_num] = 0;
+
+       while (*sp)
+               {
+               /* collect type */
+               ne_types[ne_num] = bp;
+               while (*sp)
+                       {
+                       if (*sp == '\\') /* is there anything to escape in the type...? */
+                               {
+                               if (*++sp)
+                                       *bp++ = *sp++;
+                               else    
+                                       {
+                                       BIO_printf(bio_err, "escape character at end of string\n");
+                                       goto error;
+                                       }
+                               }       
+                       else if (*sp == '=')
+                               {
+                               sp++;
+                               *bp++ = '\0';
+                               break;
+                               }
+                       else
+                               *bp++ = *sp++;
+                       }
+               if (!*sp)
+                       {
+                       BIO_printf(bio_err, "end of string encountered while processing type of subject name element #%d\n", ne_num);
+                       goto error;
+                       }
+               ne_values[ne_num] = bp;
+               while (*sp)
+                       {
+                       if (*sp == '\\')
+                               {
+                               if (*++sp)
+                                       *bp++ = *sp++;
+                               else
+                                       {
+                                       BIO_printf(bio_err, "escape character at end of string\n");
+                                       goto error;
+                                       }
+                               }
+                       else if (*sp == '/')
+                               {
+                               sp++;
+                               /* no multivalued RDN by default */
+                               mval[ne_num+1] = 0;
+                               break;
+                               }
+                       else if (*sp == '+' && multirdn)
+                               {
+                               /* a not escaped + signals a mutlivalued RDN */
+                               sp++;
+                               mval[ne_num+1] = -1;
+                               break;
+                               }
+                       else
+                               *bp++ = *sp++;
+                       }
+               *bp++ = '\0';
+               ne_num++;
+               }       
+
+       if (!(n = X509_NAME_new()))
+               goto error;
+
+       for (i = 0; i < ne_num; i++)
+               {
+               if ((nid=OBJ_txt2nid(ne_types[i])) == NID_undef)
+                       {
+                       BIO_printf(bio_err, "Subject Attribute %s has no known NID, skipped\n", ne_types[i]);
+                       continue;
+                       }
+
+               if (!*ne_values[i])
+                       {
+                       BIO_printf(bio_err, "No value provided for Subject Attribute %s, skipped\n", ne_types[i]);
+                       continue;
+                       }
+
+               if (!X509_NAME_add_entry_by_NID(n, nid, chtype, (unsigned char*)ne_values[i], -1,-1,mval[i]))
+                       goto error;
+               }
+
+       OPENSSL_free(ne_values);
+       OPENSSL_free(ne_types);
+       OPENSSL_free(buf);
+       return n;
+
+error:
+       X509_NAME_free(n);
+       if (ne_values)
+               OPENSSL_free(ne_values);
+       if (ne_types)
+               OPENSSL_free(ne_types);
+       if (buf)
+               OPENSSL_free(buf);
+       return NULL;
+}
+
+/* This code MUST COME AFTER anything that uses rename() */
+#ifdef OPENSSL_SYS_WIN32
+int WIN32_rename(char *from, char *to)
+       {
+#ifndef OPENSSL_SYS_WINCE
+       /* Windows rename gives an error if 'to' exists, so delete it
+        * first and ignore file not found errror
+        */
+       if((remove(to) != 0) && (errno != ENOENT))
+               return -1;
+#undef rename
+       return rename(from, to);
+#else
+       /* convert strings to UNICODE */
+       {
+       BOOL result = FALSE;
+       WCHAR* wfrom;
+       WCHAR* wto;
+       int i;
+       wfrom = malloc((strlen(from)+1)*2);
+       wto = malloc((strlen(to)+1)*2);
+       if (wfrom != NULL && wto != NULL)
+               {
+               for (i=0; i<(int)strlen(from)+1; i++)
+                       wfrom[i] = (short)from[i];
+               for (i=0; i<(int)strlen(to)+1; i++)
+                       wto[i] = (short)to[i];
+               result = MoveFile(wfrom, wto);
+               }
+       if (wfrom != NULL)
+               free(wfrom);
+       if (wto != NULL)
+               free(wto);
+       return result;
        }
+#endif
+       }
+#endif