diff options
author | Richard Levitte <levitte@openssl.org> | 2003-11-28 14:07:14 +0000 |
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committer | Richard Levitte <levitte@openssl.org> | 2003-11-28 14:07:14 +0000 |
commit | 6d5ffb591ba0baa98be27df8acabf2018473dd3d (patch) | |
tree | eecc5c1848ebfdefbaf5076df98cf49f10baa4fe /apps/apps.c | |
parent | 7ce9e425bcf51c8a83e66afe3249381ed9391560 (diff) |
Move do_subject() to apps.c and rename it to parse_name(). The
rationale behind the move is that it's use by several applications.
The rationale behind the name change is that it describes what the
function does a bit better.
Diffstat (limited to 'apps/apps.c')
-rw-r--r-- | apps/apps.c | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/apps/apps.c b/apps/apps.c index 0014cb5367..8e3f5cdac4 100644 --- a/apps/apps.c +++ b/apps/apps.c @@ -1961,3 +1961,140 @@ void free_index(CA_DB *db) OPENSSL_free(db); } } + +/* + * 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; +} + |