diff options
Diffstat (limited to 'gpglib/genkey.c')
| -rw-r--r-- | gpglib/genkey.c | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/gpglib/genkey.c b/gpglib/genkey.c new file mode 100644 index 0000000..9e72f1c --- /dev/null +++ b/gpglib/genkey.c @@ -0,0 +1,209 @@ +/* +** Copyright 2001-2011 Double Precision, Inc. See COPYING for +** distribution information. +*/ + + +#include "config.h" +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <signal.h> +#include <errno.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <sys/time.h> + +#include "gpg.h" +#include "gpglib.h" + +#include "unicode/unicode.h" +#include "numlib/numlib.h" + +extern int libmail_gpg_stdin, libmail_gpg_stdout, libmail_gpg_stderr; +extern pid_t libmail_gpg_pid; + + +/* +** Generate a new key. +*/ + +static int dogenkey(const char *, const char *, const char *, + int, + int, + unsigned, + char, + const char *passphrase, + int (*)(const char *, size_t, void *), + int (*)(void *), + void *); + +int libmail_gpg_genkey(const char *gpgdir, + const char *charset, + const char *name, + const char *addr, + const char *comment, + int skeylen, + int ekeylen, + unsigned expire, + char expire_unit, + const char *passphrase, + int (*dump_func)(const char *, size_t, void *), + int (*timeout_func)(void *), + void *voidarg) +{ + char *name_u, *addr_u, *comment_u; + char *argvec[4]; + int rc; + + name_u=libmail_u_convert_toutf8(name, charset, NULL); + + if (!name_u) + return (-1); + + addr_u=libmail_u_convert_toutf8(addr, charset, NULL); + if (!addr_u) + { + free(name_u); + return (-1); + } + + comment_u=libmail_u_convert_toutf8(comment, charset, NULL); + if (!comment_u) + return (-1); + + + argvec[0]="gpg"; + argvec[1]="--gen-key"; + argvec[2]="--batch"; + argvec[3]=NULL; + + if (libmail_gpg_fork(&libmail_gpg_stdin, &libmail_gpg_stdout, NULL, + gpgdir, argvec) < 0) + rc= -1; + else + { + int rc2; + + rc=dogenkey(name_u, addr_u, comment_u, + skeylen, ekeylen, expire, expire_unit, + passphrase, + dump_func, timeout_func, voidarg); + rc2=libmail_gpg_cleanup(); + if (rc2) + rc=rc2; + } + free(comment_u); + free(name_u); + free(addr_u); + return (rc); +} + +static char *mkcmdbuf(const char *, const char *, const char *, + int, + int, + unsigned, + char, const char *); + +static int dogenkey(const char *name, const char *addr, const char *comment, + int skeylen, + int ekeylen, + unsigned expire, + char expire_unit, + const char *passphrase, + int (*dump_func)(const char *, size_t, void *), + int (*timeout_func)(void *), + void *voidarg) +{ + char *cmd_buf=mkcmdbuf(name, addr, comment, skeylen, ekeylen, + expire, expire_unit, passphrase); + + int rc=libmail_gpg_write(cmd_buf, strlen(cmd_buf), dump_func, NULL, + timeout_func, 5, voidarg); + int rc2; + + free(cmd_buf); + if (rc == 0) + rc=libmail_gpg_read(dump_func, NULL, timeout_func, 5, voidarg); + rc2=libmail_gpg_cleanup(); + if (rc == 0) + rc=rc2; + return (rc); +} + +static char *mkcmdbuf(const char *name, const char *addr, const char *comment, + int skeylen, + int ekeylen, + unsigned expire, + char expire_unit, + const char *passphrase) +{ + static const char genkey_cmd[]= + "Key-Type: DSA\n" + "Key-Length: %s\n" + "Subkey-Type: ELG-E\n" + "Subkey-Length: %s\n" + "%s%s%s" + "%s%s%s" + "%s%s%s" + "Name-Email: %s\n" + "Expire-Date: %s\n" + "%%commit\n"; + + static const char namereal1[]="Name-Real: "; + static const char namereal2[]="\n"; + static const char comment1[]="Name-Comment: "; + static const char comment2[]="\n"; + static const char passphrase1[]="Passphrase: "; + static const char passphrase2[]="\n"; + + char skl_buf[NUMBUFSIZE]; + char kl_buf[NUMBUFSIZE]; + char exp_buf[NUMBUFSIZE+1]; + + char *p; + + libmail_str_size_t(skeylen, skl_buf); + libmail_str_size_t(ekeylen, kl_buf); + if (expire == 0) + { + strcpy(exp_buf, "0"); + } + else + { + char b[2]; + + b[0]=expire_unit; + b[1]=0; + + strcat(libmail_str_size_t(expire, exp_buf), b); + } + + p=malloc(512+strlen(kl_buf)+strlen(skl_buf)+strlen(exp_buf) + +strlen(name)+strlen(addr)+strlen(comment) + +strlen(passphrase)); + + if (!p) + return (NULL); + + while (*comment == ' ' || *comment == '\t') + ++comment; + + sprintf(p, genkey_cmd, skl_buf, kl_buf, + + *name ? namereal1:"", + name, + *name ? namereal2:"", + + *comment ? comment1:"", + comment, + *comment ? comment2:"", + + *passphrase ? passphrase1:"", + passphrase, + *passphrase ? passphrase2:"", + + addr, exp_buf); + return (p); +} |