X-Git-Url: https://git.sommitrealweird.co.uk/onak.git/blobdiff_plain/f81196236e05340a025e94f65830793c3d60401d..e0dd4d10f385cd19da389ec66622eea8aa66ae59:/parsekey.c diff --git a/parsekey.c b/parsekey.c index 517b029..aedbd14 100644 --- a/parsekey.c +++ b/parsekey.c @@ -25,8 +25,8 @@ #include "keyid.h" #include "keystructs.h" #include "ll.h" -#include "log.h" #include "mem.h" +#include "onak.h" #include "openpgp.h" #include "parsekey.h" @@ -62,7 +62,8 @@ int parse_keys(struct openpgp_packet_list *packets, * It's a signature packet. Add it to either the public * key, to the current UID or the current subkey. */ - log_assert(curkey != NULL); + if (curkey == NULL) + return ONAK_E_INVALID_PARAM; if (curkey->subkeys != NULL) { ADD_PACKET_TO_LIST_END(curkey->last_subkey, sig, @@ -117,8 +118,10 @@ int parse_keys(struct openpgp_packet_list *packets, /* * It's a UID packet (or a photo id, which is similar). */ - log_assert(curkey != NULL); - log_assert(curkey->subkeys == NULL); + if (curkey == NULL) + return ONAK_E_INVALID_PARAM; + if (curkey->subkeys != NULL) + return ONAK_E_INVALID_PARAM; ADD_PACKET_TO_LIST_END(curkey, uid, packet_dup(packets->packet)); @@ -127,7 +130,8 @@ int parse_keys(struct openpgp_packet_list *packets, /* * It's a subkey packet. */ - log_assert(curkey != NULL); + if (curkey == NULL) + return ONAK_E_INVALID_PARAM; ADD_PACKET_TO_LIST_END(curkey, subkey, packet_dup(packets->packet)); @@ -142,9 +146,8 @@ int parse_keys(struct openpgp_packet_list *packets, */ break; default: - logthing(LOGTHING_ERROR, - "Unsupported packet type: %d", - packets->packet->tag); + /* Unsupported packet. Do what? Ignore for now. */ + break; } packets = packets->next; } @@ -181,7 +184,7 @@ int debug_packet(struct openpgp_packet *packet) * packet stream and reads the packets into a linked list of packets * ready for parsing as a public key or whatever. */ -int read_openpgp_stream(int (*getchar_func)(void *ctx, size_t count, +onak_status_t read_openpgp_stream(int (*getchar_func)(void *ctx, size_t count, void *c), void *ctx, struct openpgp_packet_list **packets, @@ -189,11 +192,13 @@ int read_openpgp_stream(int (*getchar_func)(void *ctx, size_t count, { unsigned char curchar = 0; struct openpgp_packet_list *curpacket = NULL; - int rc = 0; + onak_status_t rc = ONAK_E_OK; int keys = 0; bool inpacket = false; - log_assert(packets != NULL); + if (packets == NULL) + return ONAK_E_INVALID_PARAM; + curpacket = *packets; if (curpacket != NULL) { while (curpacket->next != NULL) { @@ -240,9 +245,7 @@ int read_openpgp_stream(int (*getchar_func)(void *ctx, size_t count, curpacket->packet->length += 192; } else if (curpacket->packet->length > 223 && curpacket->packet->length < 255) { - logthing(LOGTHING_NOTICE, - "Partial length;" - " not supported."); + return ONAK_E_UNSUPPORTED_FEATURE; } else if (curpacket->packet->length == 255) { /* * 5 byte length; ie 255 followed by 3 @@ -288,11 +291,9 @@ int read_openpgp_stream(int (*getchar_func)(void *ctx, size_t count, curpacket->packet->length += curchar; break; case 3: - logthing(LOGTHING_ERROR, - "Unsupported length type 3."); + rc = ONAK_E_UNSUPPORTED_FEATURE; curpacket->packet->length = 0; curpacket->packet->data = NULL; - rc = -1; break; } } @@ -306,10 +307,7 @@ int read_openpgp_stream(int (*getchar_func)(void *ctx, size_t count, malloc(curpacket->packet->length * sizeof(unsigned char)); if (curpacket->packet->data == NULL) { - logthing(LOGTHING_ERROR, - "Can't allocate memory for " - "packet!"); - rc = -1; + rc = ONAK_E_NOMEM; } else { rc = getchar_func(ctx, curpacket->packet->length, @@ -318,9 +316,7 @@ int read_openpgp_stream(int (*getchar_func)(void *ctx, size_t count, } inpacket = false; } else { - logthing(LOGTHING_ERROR, "Unexpected character: 0x%X", - curchar); - rc = 1; + rc = ONAK_E_INVALID_PKT; } } @@ -336,7 +332,7 @@ int read_openpgp_stream(int (*getchar_func)(void *ctx, size_t count, * This function uses putchar_func to write characters to an OpenPGP * packet stream from a linked list of packets. */ -int write_openpgp_stream(int (*putchar_func)(void *ctx, size_t count, +onak_status_t write_openpgp_stream(int (*putchar_func)(void *ctx, size_t count, void *c), void *ctx, struct openpgp_packet_list *packets) @@ -364,8 +360,6 @@ int write_openpgp_stream(int (*putchar_func)(void *ctx, size_t count, putchar_func(ctx, 1, &curchar); } else if (packets->packet->length > 8382 && packets->packet->length < 0xFFFFFFFF) { - logthing(LOGTHING_DEBUG, - "Writing 5 byte length"); curchar = 255; putchar_func(ctx, 1, &curchar); @@ -385,8 +379,7 @@ int write_openpgp_stream(int (*putchar_func)(void *ctx, size_t count, curchar &= 0xFF; putchar_func(ctx, 1, &curchar); } else { - logthing(LOGTHING_ERROR, - "Unsupported new format length."); + return ONAK_E_UNSUPPORTED_FEATURE; } } else { curchar |= (packets->packet->tag << 2); @@ -419,7 +412,8 @@ int write_openpgp_stream(int (*putchar_func)(void *ctx, size_t count, packets->packet->data); packets = packets->next; } - return 0; + + return ONAK_E_OK; } /**