diff options
author | Micah Anderson <micah@riseup.net> | 2008-06-18 23:35:20 -0400 |
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committer | Micah Anderson <micah@riseup.net> | 2008-06-18 23:35:20 -0400 |
commit | 308aa104f66a40f2426c13b96f48631937502f6b (patch) | |
tree | 55e1b1427ba23750b0c239e5d43fc3ffa49b0293 /src/keytrans/gnutls-helpers.h | |
parent | a9a56853a27e1dbce3c48af327b0adff0e4c38e0 (diff) | |
parent | 9c94e937fbe8beb56956365cac07d6eff45215cd (diff) |
Merge commit 'dkg/master'
Conflicts:
doc/MonkeySpec
Diffstat (limited to 'src/keytrans/gnutls-helpers.h')
-rw-r--r-- | src/keytrans/gnutls-helpers.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/src/keytrans/gnutls-helpers.h b/src/keytrans/gnutls-helpers.h new file mode 100644 index 0000000..f196456 --- /dev/null +++ b/src/keytrans/gnutls-helpers.h @@ -0,0 +1,78 @@ +/* Author: Daniel Kahn Gillmor <dkg@fifthhorseman.net> */ +/* Date: Fri, 04 Apr 2008 19:31:16 -0400 */ +/* License: GPL v3 or later */ + + +#include <gnutls/gnutls.h> +#include <gnutls/openpgp.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <errno.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <unistd.h> +#include <stdarg.h> + +/* Functions to help dealing with GnuTLS for monkeysphere key + translation projects: */ + +/* set everything up, including logging levels. Return 0 on + success */ +int init_gnutls(); + +/* logging and output functions: */ + +void err(int level, const char* fmt, ...); +void logfunc(int level, const char* string); + +/* basic datum manipulations: */ + +void init_datum(gnutls_datum_t* d); +void copy_datum(gnutls_datum_t* dest, const gnutls_datum_t* src); +int compare_data(const gnutls_datum_t* a, const gnutls_datum_t* b); +void free_datum(gnutls_datum_t* d); +int write_datum_fd(int fd, const gnutls_datum_t* d); +int write_datum_fd_with_length(int fd, const gnutls_datum_t* d); +int write_data_fd_with_length(int fd, const gnutls_datum_t** d, unsigned int num); + +/* set up a datum from a null-terminated string */ +int datum_from_string(gnutls_datum_t* d, const char* str); + +/* keyid manipulations: */ +typedef unsigned char printable_keyid[16]; + +void init_keyid(gnutls_openpgp_keyid_t keyid); +void make_keyid_printable(printable_keyid out, gnutls_openpgp_keyid_t keyid); +void collapse_printable_keyid(gnutls_openpgp_keyid_t out, printable_keyid in); +int convert_string_to_keyid(gnutls_openpgp_keyid_t out, const char* str); +int convert_string_to_printable_keyid(printable_keyid out, const char* str); + +/* you must have twice as many bytes in the out buffer as in the in buffer */ +void hex_print_data(char* out, const char* in, size_t incount); + +/* functions to get data into datum objects: */ + +/* read the passed-in string, store in a single datum */ +int set_datum_string(gnutls_datum_t* d, const char* s); + +/* read the passed-in file descriptor until EOF, store in a single + datum */ +int set_datum_fd(gnutls_datum_t* d, int fd); + +/* read the file indicated (by name) in the fname parameter. store + its entire contents in a single datum. */ +int set_datum_file(gnutls_datum_t* d, const char* fname); + +/* set up file descriptor pipe for writing (child process pid gets + stored in pid, fd is returned)*/ +int create_writing_pipe(pid_t* pid, const char* path, char* const argv[]); + +/* return 0 if userid matches the monkeysphere spec for ssh host user IDs */ +int validate_ssh_host_userid(const char* userid); + +/* how many bytes will it take to write out this datum in OpenPGP MPI form? */ +size_t get_openpgp_mpi_size(gnutls_datum_t* d); + +/* write the MPI stored in gnutls_datum_t to file descriptor fd: */ +int write_openpgp_mpi_to_fd(int fd, gnutls_datum_t* d); |