Constify d2i, s2i, c2i and r2i functions and other associated
[openssl.git] / apps / apps.c
index ac9e3daa5e9e3245a24df81165457e535b820be1..eae1fedcd33c19543c15cc0d5d1b6d2b7610c6a9 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;
 
@@ -378,22 +379,6 @@ int WIN32_rename(char *from, char *to)
        }
 #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 +486,7 @@ 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 +510,7 @@ 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 +758,7 @@ 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 +1396,16 @@ 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;
        }
@@ -1722,22 +1709,7 @@ CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)
 #ifdef RL_DEBUG
                        BIO_printf(bio_err, "DEBUG[load_index]: unique_subject = \"%s\"\n", p);
 #endif
-                       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;
-                               }
+                       retdb->attributes.unique_subject = parse_yesno(p,1);
                        }
                }
 
@@ -1976,3 +1948,169 @@ void free_index(CA_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;
+}
+