diff --git a/src/op-support.c b/src/op-support.c index 03f274cf..9414e612 100644 --- a/src/op-support.c +++ b/src/op-support.c @@ -1,433 +1,432 @@ /* op-support.c - Supporting functions. Copyright (C) 2002, 2003, 2004, 2007 g10 Code GmbH This file is part of GPGME. GPGME is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. GPGME is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this program; if not, see . */ #if HAVE_CONFIG_H #include #endif #include #include #include #ifdef HAVE_LOCALE_H #include #endif #include "gpgme.h" #include "context.h" #include "ops.h" #include "util.h" #include "debug.h" #if GPG_ERROR_VERSION_NUMBER < 0x011700 /* 1.23 */ # define GPG_ERR_SUBKEYS_EXP_OR_REV 217 #endif gpgme_error_t _gpgme_op_data_lookup (gpgme_ctx_t ctx, ctx_op_data_id_t type, void **hook, int size, void (*cleanup) (void *)) { struct ctx_op_data *data; if (!ctx) return gpg_error (GPG_ERR_INV_VALUE); data = ctx->op_data; while (data && data->type != type) data = data->next; if (!data) { if (size < 0) { *hook = NULL; return 0; } data = calloc (1, sizeof (struct ctx_op_data) + size); if (!data) return gpg_error_from_syserror (); data->magic = CTX_OP_DATA_MAGIC; data->next = ctx->op_data; data->type = type; data->cleanup = cleanup; data->hook = (void *) (((char *) data) + sizeof (struct ctx_op_data)); data->references = 1; ctx->op_data = data; } *hook = data->hook; return 0; } /* type is: 0: asynchronous operation (use global or user event loop). 1: synchronous operation (always use private event loop). 2: asynchronous private operation (use private or user event loop). 256: Modification flag to suppress the engine reset. */ gpgme_error_t _gpgme_op_reset (gpgme_ctx_t ctx, int type) { gpgme_error_t err = 0; struct gpgme_io_cbs io_cbs; int no_reset = (type & 256); int reuse_engine = 0; type &= 255; _gpgme_release_result (ctx); LOCK (ctx->lock); ctx->canceled = 0; ctx->redraw_suggested = 0; UNLOCK (ctx->lock); if (ctx->engine && no_reset) reuse_engine = 1; else if (ctx->engine) { /* Attempt to reset an existing engine. */ err = _gpgme_engine_reset (ctx->engine); if (gpg_err_code (err) == GPG_ERR_NOT_IMPLEMENTED) { _gpgme_engine_release (ctx->engine); ctx->engine = NULL; } } if (!ctx->engine) { gpgme_engine_info_t info; info = ctx->engine_info; while (info && info->protocol != ctx->protocol) info = info->next; if (!info) return gpg_error (GPG_ERR_UNSUPPORTED_PROTOCOL); /* Create an engine object. */ err = _gpgme_engine_new (info, &ctx->engine); if (err) return err; } if (!reuse_engine) { err = 0; #ifdef LC_CTYPE err = _gpgme_engine_set_locale (ctx->engine, LC_CTYPE, ctx->lc_ctype); #endif #ifdef LC_MESSAGES if (!err) err = _gpgme_engine_set_locale (ctx->engine, LC_MESSAGES, ctx->lc_messages); #endif if (gpg_err_code (err) == GPG_ERR_NOT_IMPLEMENTED) err = 0; _gpgme_engine_set_engine_flags (ctx->engine, ctx); if (!err) { err = _gpgme_engine_set_pinentry_mode (ctx->engine, ctx->pinentry_mode); if (gpg_err_code (err) == GPG_ERR_NOT_IMPLEMENTED) err = 0; } if (!err && ctx->status_cb && ctx->full_status) { _gpgme_engine_set_status_cb (ctx->engine, ctx->status_cb, ctx->status_cb_value); } if (err) { _gpgme_engine_release (ctx->engine); ctx->engine = NULL; return err; } } if (ctx->sub_protocol != GPGME_PROTOCOL_DEFAULT) { err = _gpgme_engine_set_protocol (ctx->engine, ctx->sub_protocol); if (err) return err; } if (type == 1 || (type == 2 && !ctx->io_cbs.add)) { /* Use private event loop. */ io_cbs.add = _gpgme_add_io_cb; io_cbs.add_priv = ctx; io_cbs.remove = _gpgme_remove_io_cb; io_cbs.event = _gpgme_wait_private_event_cb; io_cbs.event_priv = ctx; } else if (! ctx->io_cbs.add) { /* Use global event loop. */ io_cbs.add = _gpgme_add_io_cb; io_cbs.add_priv = ctx; io_cbs.remove = _gpgme_remove_io_cb; io_cbs.event = _gpgme_wait_global_event_cb; io_cbs.event_priv = ctx; } else { /* Use user event loop. */ io_cbs.add = _gpgme_wait_user_add_io_cb; io_cbs.add_priv = ctx; io_cbs.remove = _gpgme_wait_user_remove_io_cb; io_cbs.event = _gpgme_wait_user_event_cb; io_cbs.event_priv = ctx; } _gpgme_engine_set_io_cbs (ctx->engine, &io_cbs); return err; } /* Parse the INV_RECP or INV_SNDR status line in ARGS and return the result in KEY. If KC_FPR (from the KEY_CONSIDERED status line) is not NULL take the KC_FLAGS in account. */ gpgme_error_t _gpgme_parse_inv_recp (char *args, int for_signing, const char *kc_fpr, unsigned int kc_flags, gpgme_invalid_key_t *key) { gpgme_invalid_key_t inv_key; char *tail; long int reason; (void)for_signing; inv_key = calloc (1, sizeof (*inv_key)); if (!inv_key) return gpg_error_from_syserror (); inv_key->next = NULL; gpg_err_set_errno (0); reason = strtol (args, &tail, 0); if (errno || args == tail || (*tail && *tail != ' ')) { /* The crypto backend does not behave. */ free (inv_key); return trace_gpg_error (GPG_ERR_INV_ENGINE); } switch (reason) { case 0: if (kc_fpr && (kc_flags & 2)) inv_key->reason = gpg_error (GPG_ERR_SUBKEYS_EXP_OR_REV); else inv_key->reason = gpg_error (GPG_ERR_GENERAL); break; case 1: inv_key->reason = gpg_error (GPG_ERR_NO_PUBKEY); break; case 2: inv_key->reason = gpg_error (GPG_ERR_AMBIGUOUS_NAME); break; case 3: inv_key->reason = gpg_error (GPG_ERR_WRONG_KEY_USAGE); break; case 4: inv_key->reason = gpg_error (GPG_ERR_CERT_REVOKED); break; case 5: inv_key->reason = gpg_error (GPG_ERR_CERT_EXPIRED); break; case 6: inv_key->reason = gpg_error (GPG_ERR_NO_CRL_KNOWN); break; case 7: inv_key->reason = gpg_error (GPG_ERR_CRL_TOO_OLD); break; case 8: inv_key->reason = gpg_error (GPG_ERR_NO_POLICY_MATCH); break; case 9: inv_key->reason = gpg_error (GPG_ERR_NO_SECKEY); break; case 10: inv_key->reason = gpg_error (GPG_ERR_PUBKEY_NOT_TRUSTED); break; case 11: inv_key->reason = gpg_error (GPG_ERR_MISSING_CERT); break; case 12: inv_key->reason = gpg_error (GPG_ERR_MISSING_ISSUER_CERT); break; case 13: inv_key->reason = gpg_error (252); /*GPG_ERR_KEY_DISABLED*/ break; case 14: inv_key->reason = gpg_error (GPG_ERR_INV_USER_ID); break; default: inv_key->reason = gpg_error (GPG_ERR_GENERAL); break; } while (*tail && *tail == ' ') tail++; if (*tail) { inv_key->fpr = strdup (tail); if (!inv_key->fpr) { free (inv_key); return gpg_error_from_syserror (); } } *key = inv_key; return 0; } /* Parse a KEY_CONSIDERED status line in ARGS and store the * fingerprint and the flags at R_FPR and R_FLAGS. The caller must * free the value at R_FPR on success. */ gpgme_error_t _gpgme_parse_key_considered (const char *args, char **r_fpr, unsigned int *r_flags) { char *pend; size_t n; *r_fpr = NULL; pend = strchr (args, ' '); if (!pend || pend == args) return trace_gpg_error (GPG_ERR_INV_ENGINE); /* Bogus status line. */ n = pend - args; *r_fpr = malloc (n + 1); if (!*r_fpr) return gpg_error_from_syserror (); memcpy (*r_fpr, args, n); (*r_fpr)[n] = 0; args = pend + 1; gpg_err_set_errno (0); *r_flags = strtoul (args, &pend, 0); if (errno || args == pend || (*pend && *pend != ' ')) { free (*r_fpr); *r_fpr = NULL; return trace_gpg_error (GPG_ERR_INV_ENGINE); } return 0; } /* Parse the PLAINTEXT status line in ARGS and return the result in FILENAMEP. */ gpgme_error_t _gpgme_parse_plaintext (char *args, char **filenamep, int *r_mime) { char *tail; while (*args == ' ') args++; if (*args == '\0') return 0; /* First argument is file type (a one byte uppercase hex value). */ if (args[0] == '6' && args[1] == 'D') *r_mime = 1; while (*args != ' ' && *args != '\0') args++; while (*args == ' ') args++; if (*args == '\0') return 0; /* Second argument is the timestamp. */ while (*args != ' ' && *args != '\0') args++; while (*args == ' ') args++; if (*args == '\0') return 0; tail = args; while (*tail != ' ' && *tail != '\0') tail++; *tail = '\0'; if (filenamep && *args != '\0') { char *filename = strdup (args); if (!filename) return gpg_error_from_syserror (); *filenamep = filename; } return 0; } /* Parse a FAILURE status line and return the error code. ARGS is * modified to contain the location part. Note that for now we ignore * failure codes with a location of gpg-exit; they are too trouble * some. Instead we should eventually record that error in the * context and provide a function to return a fuller error * description; this could then also show the location of the error * (e.g. "option- parser") to make it easier for the user to detect * the actual error. */ gpgme_error_t _gpgme_parse_failure (char *args) { char *where, *which; + if (!strncmp (args, "gpg-exit", 8)) + return 0; + where = strchr (args, ' '); if (!where) return trace_gpg_error (GPG_ERR_INV_ENGINE); *where = '\0'; which = where + 1; where = strchr (which, ' '); if (where) *where = '\0'; - where = args; - if (!strcmp (where, "gpg-exit")) - return 0; - return atoi (which); }