diff options
author | Ben Laurie <ben@openssl.org> | 2000-05-16 23:01:19 +0000 |
---|---|---|
committer | Ben Laurie <ben@openssl.org> | 2000-05-16 23:01:19 +0000 |
commit | 371acb22e68ff23128485ce134a9931de889e719 (patch) | |
tree | d69e9633373dc07fe39e8e07a0dceef7ec3aa4d8 /crypto/pkcs7/pk7_mime.c | |
parent | 5de603abc8fe6fedca529ce58d3741b50ff99592 (diff) |
Typesafe Thought Police part 4.
Diffstat (limited to 'crypto/pkcs7/pk7_mime.c')
-rw-r--r-- | crypto/pkcs7/pk7_mime.c | 106 |
1 files changed, 56 insertions, 50 deletions
diff --git a/crypto/pkcs7/pk7_mime.c b/crypto/pkcs7/pk7_mime.c index 8981f9f213..3049e0adb1 100644 --- a/crypto/pkcs7/pk7_mime.c +++ b/crypto/pkcs7/pk7_mime.c @@ -70,16 +70,19 @@ */ typedef struct { -char *name; /* Name of line e.g. "content-type" */ -char *value; /* Value of line e.g. "text/plain" */ -STACK /* MIME_PARAM */ *params; /* Zero or more parameters */ -} MIME_HEADER; - -typedef struct { char *param_name; /* Param name e.g. "micalg" */ char *param_value; /* Param value e.g. "sha1" */ } MIME_PARAM; +IMPLEMENT_STACK_OF(MIME_PARAM) + +typedef struct { +char *name; /* Name of line e.g. "content-type" */ +char *value; /* Value of line e.g. "text/plain" */ +STACK_OF(MIME_PARAM) *params; /* Zero or more parameters */ +} MIME_HEADER; + +IMPLEMENT_STACK_OF(MIME_HEADER) static int B64_write_PKCS7(BIO *bio, PKCS7 *p7); static PKCS7 *B64_read_PKCS7(BIO *bio); @@ -88,14 +91,14 @@ static char * strip_start(char *name); static char * strip_end(char *name); static MIME_HEADER *mime_hdr_new(char *name, char *value); static int mime_hdr_addparam(MIME_HEADER *mhdr, char *name, char *value); -static STACK *mime_parse_hdr(BIO *bio); +static STACK_OF(MIME_HEADER) *mime_parse_hdr(BIO *bio); static int mime_hdr_cmp(MIME_HEADER **a, MIME_HEADER **b); static int mime_param_cmp(MIME_PARAM **a, MIME_PARAM **b); static void mime_param_free(MIME_PARAM *param); static int mime_bound_check(char *line, int linelen, char *bound, int blen); -static int multi_split(BIO *bio, char *bound, STACK **ret); +static int multi_split(BIO *bio, char *bound, STACK_OF(BIO) **ret); static int iscrlf(char c); -static MIME_HEADER *mime_hdr_find(STACK *hdrs, char *name); +static MIME_HEADER *mime_hdr_find(STACK_OF(MIME_HEADER) *hdrs, char *name); static MIME_PARAM *mime_param_find(MIME_HEADER *hdr, char *name); static void mime_hdr_free(MIME_HEADER *hdr); @@ -196,8 +199,8 @@ int SMIME_write_PKCS7(BIO *bio, PKCS7 *p7, BIO *data, int flags) PKCS7 *SMIME_read_PKCS7(BIO *bio, BIO **bcont) { BIO *p7in; - STACK *headers = NULL; - STACK *parts = NULL; + STACK_OF(MIME_HEADER) *headers = NULL; + STACK_OF(BIO) *parts = NULL; MIME_HEADER *hdr; MIME_PARAM *prm; PKCS7 *p7; @@ -211,7 +214,7 @@ PKCS7 *SMIME_read_PKCS7(BIO *bio, BIO **bcont) } if(!(hdr = mime_hdr_find(headers, "content-type")) || !hdr->value) { - sk_pop_free(headers, (void(*)(void *)) mime_hdr_free); + sk_MIME_HEADER_pop_free(headers, mime_hdr_free); PKCS7err(PKCS7_F_SMIME_READ_PKCS7, PKCS7_R_NO_CONTENT_TYPE); return NULL; } @@ -222,24 +225,24 @@ PKCS7 *SMIME_read_PKCS7(BIO *bio, BIO **bcont) /* Split into two parts */ prm = mime_param_find(hdr, "boundary"); if(!prm || !prm->param_value) { - sk_pop_free(headers, (void(*)(void *)) mime_hdr_free); + sk_MIME_HEADER_pop_free(headers, mime_hdr_free); PKCS7err(PKCS7_F_SMIME_READ_PKCS7, PKCS7_R_NO_MULTIPART_BOUNDARY); return NULL; } ret = multi_split(bio, prm->param_value, &parts); - sk_pop_free(headers, (void(*)(void *)) mime_hdr_free); - if(!ret || (sk_num(parts) != 2) ) { + sk_MIME_HEADER_pop_free(headers, mime_hdr_free); + if(!ret || (sk_BIO_num(parts) != 2) ) { PKCS7err(PKCS7_F_SMIME_READ_PKCS7, PKCS7_R_NO_MULTIPART_BODY_FAILURE); - sk_pop_free(parts, (void(*)(void *)) BIO_free); + sk_BIO_pop_free(parts, BIO_vfree); return NULL; } /* Parse the signature piece */ - p7in = (BIO *)sk_value(parts, 1); + p7in = sk_BIO_value(parts, 1); if (!(headers = mime_parse_hdr(p7in))) { PKCS7err(PKCS7_F_SMIME_READ_PKCS7,PKCS7_R_MIME_SIG_PARSE_ERROR); - sk_pop_free(parts, (void(*)(void *)) BIO_free); + sk_BIO_pop_free(parts, BIO_vfree); return NULL; } @@ -247,32 +250,32 @@ PKCS7 *SMIME_read_PKCS7(BIO *bio, BIO **bcont) if(!(hdr = mime_hdr_find(headers, "content-type")) || !hdr->value) { - sk_pop_free(headers, (void(*)(void *)) mime_hdr_free); + sk_MIME_HEADER_pop_free(headers, mime_hdr_free); PKCS7err(PKCS7_F_SMIME_READ_PKCS7, PKCS7_R_NO_SIG_CONTENT_TYPE); return NULL; } if(strcmp(hdr->value, "application/x-pkcs7-signature") && strcmp(hdr->value, "application/pkcs7-signature")) { - sk_pop_free(headers, (void(*)(void *)) mime_hdr_free); + sk_MIME_HEADER_pop_free(headers, mime_hdr_free); PKCS7err(PKCS7_F_SMIME_READ_PKCS7,PKCS7_R_SIG_INVALID_MIME_TYPE); ERR_add_error_data(2, "type: ", hdr->value); - sk_pop_free(parts, (void(*)(void *))BIO_free); + sk_BIO_pop_free(parts, BIO_vfree); return NULL; } - sk_pop_free(headers, (void(*)(void *)) mime_hdr_free); + sk_MIME_HEADER_pop_free(headers, mime_hdr_free); /* Read in PKCS#7 */ if(!(p7 = B64_read_PKCS7(p7in))) { PKCS7err(PKCS7_F_SMIME_READ_PKCS7,PKCS7_R_PKCS7_SIG_PARSE_ERROR); - sk_pop_free(parts, (void(*)(void *))BIO_free); + sk_BIO_pop_free(parts, BIO_vfree); return NULL; } if(bcont) { - *bcont = (BIO *)sk_value(parts, 0); + *bcont = sk_BIO_value(parts, 0); BIO_free(p7in); - sk_free(parts); - } else sk_pop_free(parts, (stkfree)BIO_free); + sk_BIO_free(parts); + } else sk_BIO_pop_free(parts, BIO_vfree); return p7; } @@ -282,11 +285,11 @@ PKCS7 *SMIME_read_PKCS7(BIO *bio, BIO **bcont) strcmp (hdr->value, "application/pkcs7-mime")) { PKCS7err(PKCS7_F_SMIME_READ_PKCS7,PKCS7_R_INVALID_MIME_TYPE); ERR_add_error_data(2, "type: ", hdr->value); - sk_pop_free(headers, (void(*)(void *)) mime_hdr_free); + sk_MIME_HEADER_pop_free(headers, mime_hdr_free); return NULL; } - sk_pop_free(headers, (void(*)(void *)) mime_hdr_free); + sk_MIME_HEADER_pop_free(headers, mime_hdr_free); if(!(p7 = B64_read_PKCS7(bio))) { PKCS7err(PKCS7_F_SMIME_READ_PKCS7, PKCS7_R_PKCS7_PARSE_ERROR); @@ -325,24 +328,25 @@ int SMIME_text(BIO *in, BIO *out) { char iobuf[4096]; int len; - STACK *headers; + STACK_OF(MIME_HEADER) *headers; MIME_HEADER *hdr; + if (!(headers = mime_parse_hdr(in))) { PKCS7err(PKCS7_F_SMIME_TEXT,PKCS7_R_MIME_PARSE_ERROR); return 0; } if(!(hdr = mime_hdr_find(headers, "content-type")) || !hdr->value) { PKCS7err(PKCS7_F_SMIME_TEXT,PKCS7_R_MIME_NO_CONTENT_TYPE); - sk_pop_free(headers, (void(*)(void *)) mime_hdr_free); + sk_MIME_HEADER_pop_free(headers, mime_hdr_free); return 0; } if (strcmp (hdr->value, "text/plain")) { PKCS7err(PKCS7_F_SMIME_TEXT,PKCS7_R_INVALID_MIME_TYPE); ERR_add_error_data(2, "type: ", hdr->value); - sk_pop_free(headers, (void(*)(void *)) mime_hdr_free); + sk_MIME_HEADER_pop_free(headers, mime_hdr_free); return 0; } - sk_pop_free(headers, (void(*)(void *)) mime_hdr_free); + sk_MIME_HEADER_pop_free(headers, mime_hdr_free); while ((len = BIO_read(in, iobuf, sizeof(iobuf))) > 0) BIO_write(out, iobuf, len); return 1; @@ -352,18 +356,19 @@ int SMIME_text(BIO *in, BIO *out) * canonical parts in a STACK of bios */ -static int multi_split(BIO *bio, char *bound, STACK **ret) +static int multi_split(BIO *bio, char *bound, STACK_OF(BIO) **ret) { char linebuf[MAX_SMLEN]; int len, blen; BIO *bpart = NULL; - STACK *parts; + STACK_OF(BIO) *parts; char state, part, first; + blen = strlen(bound); part = 0; state = 0; first = 1; - parts = sk_new(NULL); + parts = sk_BIO_new(NULL); *ret = parts; while ((len = BIO_gets(bio, linebuf, MAX_SMLEN)) > 0) { state = mime_bound_check(linebuf, len, bound, blen); @@ -371,12 +376,12 @@ static int multi_split(BIO *bio, char *bound, STACK **ret) first = 1; part++; } else if(state == 2) { - sk_push(parts, (char *)bpart); + sk_BIO_push(parts, bpart); return 1; } else if(part) { if(first) { first = 0; - if(bpart) sk_push(parts, (char *)bpart); + if(bpart) sk_BIO_push(parts, bpart); bpart = BIO_new(BIO_s_mem()); } else BIO_write(bpart, "\r\n", 2); @@ -405,15 +410,16 @@ static int iscrlf(char c) #define MIME_COMMENT 6 -static STACK *mime_parse_hdr(BIO *bio) +static STACK_OF(MIME_HEADER) *mime_parse_hdr(BIO *bio) { char *p, *q, c; char *ntmp; char linebuf[MAX_SMLEN]; MIME_HEADER *mhdr = NULL; - STACK *headers; + STACK_OF(MIME_HEADER) *headers; int len, state, save_state = 0; - headers = sk_new((int (*)(const void *, const void *))mime_hdr_cmp); + + headers = sk_MIME_HEADER_new(mime_hdr_cmp); while ((len = BIO_gets(bio, linebuf, MAX_SMLEN)) > 0) { /* If whitespace at line start then continuation line */ if(mhdr && isspace((unsigned char)linebuf[0])) state = MIME_NAME; @@ -441,7 +447,7 @@ static STACK *mime_parse_hdr(BIO *bio) mime_debug("Found End Value\n"); *p = 0; mhdr = mime_hdr_new(ntmp, strip_ends(q)); - sk_push(headers, (char *)mhdr); + sk_MIME_HEADER_push(headers, mhdr); ntmp = NULL; q = p + 1; state = MIME_NAME; @@ -493,7 +499,7 @@ static STACK *mime_parse_hdr(BIO *bio) if(state == MIME_TYPE) { mhdr = mime_hdr_new(ntmp, strip_ends(q)); - sk_push(headers, (char *)mhdr); + sk_MIME_HEADER_push(headers, mhdr); } else if(state == MIME_VALUE) mime_hdr_addparam(mhdr, ntmp, strip_ends(q)); if(p == linebuf) break; /* Blank line means end of headers */ @@ -573,7 +579,7 @@ static MIME_HEADER *mime_hdr_new(char *name, char *value) if(!mhdr) return NULL; mhdr->name = tmpname; mhdr->value = tmpval; - if(!(mhdr->params = sk_new((int (*)(const void *, const void *)) mime_param_cmp))) return NULL; + if(!(mhdr->params = sk_MIME_PARAM_new(mime_param_cmp))) return NULL; return mhdr; } @@ -602,7 +608,7 @@ static int mime_hdr_addparam(MIME_HEADER *mhdr, char *name, char *value) if(!mparam) return 0; mparam->param_name = tmpname; mparam->param_value = tmpval; - sk_push(mhdr->params, (char *)mparam); + sk_MIME_PARAM_push(mhdr->params, mparam); return 1; } @@ -618,14 +624,14 @@ static int mime_param_cmp(MIME_PARAM **a, MIME_PARAM **b) /* Find a header with a given name (if possible) */ -static MIME_HEADER *mime_hdr_find(STACK *hdrs, char *name) +static MIME_HEADER *mime_hdr_find(STACK_OF(MIME_HEADER) *hdrs, char *name) { MIME_HEADER htmp; int idx; htmp.name = name; - idx = sk_find(hdrs, (char *)&htmp); + idx = sk_MIME_HEADER_find(hdrs, &htmp); if(idx < 0) return NULL; - return (MIME_HEADER *)sk_value(hdrs, idx); + return sk_MIME_HEADER_value(hdrs, idx); } static MIME_PARAM *mime_param_find(MIME_HEADER *hdr, char *name) @@ -633,16 +639,16 @@ static MIME_PARAM *mime_param_find(MIME_HEADER *hdr, char *name) MIME_PARAM param; int idx; param.param_name = name; - idx = sk_find(hdr->params, (char *)¶m); + idx = sk_MIME_PARAM_find(hdr->params, ¶m); if(idx < 0) return NULL; - return (MIME_PARAM *)sk_value(hdr->params, idx); + return sk_MIME_PARAM_value(hdr->params, idx); } static void mime_hdr_free(MIME_HEADER *hdr) { if(hdr->name) Free(hdr->name); if(hdr->value) Free(hdr->value); - if(hdr->params) sk_pop_free(hdr->params, (void(*)(void *)) mime_param_free); + if(hdr->params) sk_MIME_PARAM_pop_free(hdr->params, mime_param_free); Free(hdr); } |