X-Git-Url: https://fleuret.org/cgi-bin/gitweb/gitweb.cgi?p=mymail.git;a=blobdiff_plain;f=mymail.c;h=a04fde8eab17dba46399cac7ee8a1fd266628866;hp=48f25fa80dae7ef98e47122996b908049f522198;hb=HEAD;hpb=b1fd04286d1c0f0764b5cfb20769bf9d29dde5d1 diff --git a/mymail.c b/mymail.c index 48f25fa..a04fde8 100644 --- a/mymail.c +++ b/mymail.c @@ -21,11 +21,13 @@ /* - This command is a dumb mail indexer. It can either (1) scan - directories containing mbox files, and create a db file containing - for each mail a list of fields computed from the header, or (2) - read such a db file and get all the mails matching regexp-defined - conditions on the fields. + mymail is a simple mail indexer. It can: + + (1) scan mbox files, and create a db file containing for each mail a + list of fields computed from its header. + + (2) read such a db file, gets all the mails matching regexp-defined + conditions on the fields, and generates a resulting mbox file. It is low-tech, simple, light and fast. @@ -35,6 +37,7 @@ #include #include +#include #include #include #include @@ -43,83 +46,135 @@ #include #include #include +#include #define MYMAIL_DB_MAGIC_TOKEN "mymail_index_file" -#define VERSION "0.9" +#define MYMAIL_VERSION "0.9.10" + +#define MYMAIL_DB_FORMAT_VERSION 1 -#define MAX_NB_SEARCH_CONDITIONS 10 +#define MAX_NB_SEARCH_CONDITIONS 32 #define BUFFER_SIZE 65536 +#define TOKEN_BUFFER_SIZE 1024 + +#define LEADING_FROM_LINE_REGEXP_STRING "^From .*\\(Mon\\|Tue\\|Wed\\|Thu\\|Fri\\|Sat\\|Sun\\) \\(Jan\\|Feb\\|Mar\\|Apr\\|May\\|Jun\\|Jul\\|Aug\\|Sep\\|Oct\\|Nov\\|Dec\\) [ 0123][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] [0-9][0-9][0-9][0-9]\n$" + +/********************************************************************/ -char *db_filename; -char *db_filename_regexp_string; -char *db_root_path; -char *db_filename_list; +struct alias_node { + char *alias, *value; + struct alias_node *next; +}; + +/* Global variables! */ -int paranoid; -int action_index; +int global_quiet; +int global_use_leading_time; +int global_nb_mails_max; +int global_discard_mail_from_the_future; +regex_t global_leading_from_line_regexp; +struct alias_node *global_alias_list; +time_t global_current_time; /********************************************************************/ enum { ID_MAIL = 0, + ID_LEADING_LINE, ID_FROM, ID_TO, ID_SUBJECT, ID_DATE, ID_PARTICIPANT, ID_BODY, + ID_TIME_INTERVAL, + ID_MAIL_ID, + ID_REFERENCE_ID, + ID_THREAD_ID, MAX_ID }; -static char *field_names[] = { +static char *field_keys[] = { "mail", + "lead", "from", "to", "subject", "date", "part", - "body" + "body", + "interval", + "mailid", + "reference", + "thread" }; /********************************************************************/ struct search_condition { - int field_id; + int db_key; + regex_t db_value_regexp; int negation; - regex_t regexp; + time_t time_start, time_stop; }; /********************************************************************/ struct parsable_field { int id; + int cflags; char *regexp_string; regex_t regexp; }; static struct parsable_field fields_to_parse[] = { + { + ID_LEADING_LINE, + 0, + "^From ", + { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } + }, + { ID_FROM, - "^\\(From \\|[Ff][Rr][Oo][Mm]:\\|[R][r][E][e][P][p][L][l][Y][y]-[T][t][O][o]:\\)", + REG_ICASE, + "^\\(from\\|reply-to\\|sender\\|return-path\\): ", { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, { ID_TO, - "^\\([Tt][Oo]\\|[Cc][Cc]\\|[Bb][Cc][Cc]\\): ", + REG_ICASE, + "^\\(to\\|cc\\|bcc\\): ", { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, { ID_SUBJECT, - "^[Ss][Uu][Bb][Jj][Ee][Cc][Tt]: ", + REG_ICASE, + "^subject: ", { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, { ID_DATE, - "^[Dd][Aa][Tt][Ee]: ", + REG_ICASE, + "^date: ", + { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } + }, + + { + ID_MAIL_ID, + REG_ICASE, + "^message-id: ", + { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } + }, + + { + ID_REFERENCE_ID, + REG_ICASE, + "^\\(in-reply-to\\|references\\): ", { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, @@ -131,22 +186,41 @@ int xor(int a, int b) { return (a && !b) || (!a && b); } -char *segment_next_field(char *current) { - while(*current && *current != ' ') current++; - *current = '\0'; current++; - while(*current && *current == ' ') current++; - return current; +const char *parse_token(char *token_buffer, size_t token_buffer_size, + char separator, const char *string) { + char *u = token_buffer; + + while(*string == separator) { string++; } + + while(u < token_buffer + token_buffer_size - 1 && *string && *string != separator) { + *(u++) = *(string++); + } + + while(*string == separator) { string++; } + + *u = '\0'; + return string; } -void remove_eof(char *c) { - while(*c && *c != '\n' && *c != '\r') c++; - *c = '\0'; +char *default_value(char *current_value, + const char *env_variable, + const char *hard_default_value) { + if(current_value) { + return current_value; + } else { + char *env_value = getenv(env_variable); + if(env_value) { + return strdup(env_value); + } else if(hard_default_value) { + return strdup(hard_default_value); + } else { + return 0; + } + } } /********************************************************************/ -/* malloc with error checking. */ - void *safe_malloc(size_t n) { void *p = malloc(n); if(!p && n != 0) { @@ -157,10 +231,23 @@ void *safe_malloc(size_t n) { return p; } +FILE *safe_fopen(const char *path, const char *mode, const char *comment) { + FILE *result = fopen(path, mode); + if(result) { + return result; + } else { + fprintf(stderr, + "mymail: Cannot open file '%s' (%s) with mode \"%s\": %s\n", + path, comment, mode, + strerror(errno)); + exit(EXIT_FAILURE); + } +} + /*********************************************************************/ void print_version(FILE *out) { - fprintf(out, "mymail version %s (%s)\n", VERSION, UNAME); + fprintf(out, "mymail version %s (%s)\n", MYMAIL_VERSION, UNAME); } void print_usage(FILE *out) { @@ -173,185 +260,362 @@ void print_usage(FILE *out) { fprintf(out, " show this help\n"); fprintf(out, " -v, --version\n"); fprintf(out, " print the version number\n"); + fprintf(out, " -q, --quiet\n"); + fprintf(out, " do not print information during search\n"); + fprintf(out, " -t, --use-leading-time\n"); + fprintf(out, " use the time stamp from the leading line of each mail and not the Date:\n"); + fprintf(out, " field\n"); + fprintf(out, " -f, --do-not-discard-mails-from-the-future\n"); + fprintf(out, " do not ignore mails with a date more than 24h in the future\n"); fprintf(out, " -p , --db-pattern \n"); fprintf(out, " set the db filename pattern for recursive search\n"); fprintf(out, " -r , --db-root \n"); fprintf(out, " set the db root path for recursive search\n"); fprintf(out, " -l , --db-list \n"); fprintf(out, " set the semicolon-separated list of db files for search\n"); + fprintf(out, " -m , --mbox-pattern \n"); + fprintf(out, " set the mbox filename pattern for recursive search\n"); fprintf(out, " -s , --search \n"); fprintf(out, " search for matching mails in the db file\n"); - fprintf(out, " -d , --db-file \n"); + fprintf(out, " -d , --db-file-output \n"); fprintf(out, " set the db filename for indexing\n"); fprintf(out, " -i, --index\n"); fprintf(out, " index mails\n"); + fprintf(out, " -o , --output \n"); + fprintf(out, " set the result file, use stdout if unset\n"); + fprintf(out, " -n , --nb-mails-max \n"); + fprintf(out, " set the maximum number of mails to extract\n"); + fprintf(out, " -a , --default-search \n"); + fprintf(out, " set the default search field\n"); + } /*********************************************************************/ int ignore_entry(const char *name) { return - /* strcmp(name, ".") == 0 || */ - /* strcmp(name, "..") == 0 || */ + strcmp(name, ".") == 0 || + strcmp(name, "..") == 0 || (name[0] == '.' && name[1] != '/'); } -int mbox_line_match_search(struct search_condition *condition, - int mbox_id, char *mbox_value) { +int is_a_leading_from_line(char *mbox_line) { return - (condition->field_id == mbox_id || - (condition->field_id == ID_PARTICIPANT && (mbox_id == ID_FROM || mbox_id == ID_TO))) + strncmp(mbox_line, "From ", 5) == 0 && + regexec(&global_leading_from_line_regexp, mbox_line, 0, 0, 0) == 0; +} + +int db_line_match_search(struct search_condition *condition, + int db_key, const char *db_value) { + + return + ( + (condition->db_key == db_key) + + || + + (condition->db_key == ID_PARTICIPANT && (db_key == ID_LEADING_LINE || + db_key == ID_FROM || + db_key == ID_TO)) + || + + (condition->db_key == ID_FROM && db_key == ID_LEADING_LINE) + + || + + (condition->db_key == ID_THREAD_ID && (db_key == ID_MAIL_ID || + db_key == ID_REFERENCE_ID)) + ) + && - regexec(&condition->regexp, mbox_value, 0, 0, 0) == 0; + + regexec(&condition->db_value_regexp, db_value, 0, 0, 0) == 0; } -void search_in_db(int nb_search_conditions, - struct search_condition *search_conditions, - FILE *db_file) { - int hits[MAX_NB_SEARCH_CONDITIONS]; - char raw_db_line[BUFFER_SIZE]; +void update_body_hits(char *mail_filename, int position_in_mail, + int nb_search_conditions, struct search_condition *search_conditions, + int nb_body_conditions, + int *hits) { + FILE *mail_file; + int header, n; char raw_mbox_line[BUFFER_SIZE]; - char current_mail_filename[PATH_MAX + 1]; - unsigned long int current_position_in_mail; - char *mbox_name, *mbox_value; - int mbox_id; - int already_written, m, n; - int last_mbox_line_was_empty; - int nb_body_conditions, nb_fulfilled_body_conditions; + int nb_body_hits; - current_position_in_mail = 0; - already_written = 0; + nb_body_hits = 0; - for(n = 0; n < nb_search_conditions; n++) { hits[n] = 0; } + header = 1; + mail_file = safe_fopen(mail_filename, "r", "mbox for body scan"); - nb_body_conditions = 0; - for(n = 0; n < nb_search_conditions; n++) { - if(search_conditions[n].field_id == ID_BODY) { - nb_body_conditions++; + fseek(mail_file, position_in_mail, SEEK_SET); + + if(fgets(raw_mbox_line, BUFFER_SIZE, mail_file)) { + while(nb_body_hits < nb_body_conditions) { + if(raw_mbox_line[0] == '\n') { header = 0; } + + if(!header) { + for(n = 0; n < nb_search_conditions; n++) { + if(search_conditions[n].db_key == ID_BODY && !hits[n]) { + hits[n] = + (regexec(&search_conditions[n].db_value_regexp, raw_mbox_line, 0, 0, 0) == 0); + if(hits[n]) { + nb_body_hits++; + } + } + } + } + + if(!fgets(raw_mbox_line, BUFFER_SIZE, mail_file) || + (is_a_leading_from_line(raw_mbox_line))) + break; } } - while(fgets(raw_db_line, BUFFER_SIZE, db_file)) { - mbox_name = raw_db_line; - mbox_value = segment_next_field(raw_db_line); + fclose(mail_file); +} - if(strcmp("mail", mbox_name) == 0) { - char *position_in_file_string; - char *mail_filename; +void extract_mail(const char *mail_filename, unsigned long int position_in_mail, + FILE *output_file) { + char raw_mbox_line[BUFFER_SIZE]; + FILE *mail_file; - /* We first check all conditions but the body ones */ + /* printf("Extract\n"); */ - for(n = 0; n < nb_search_conditions && - ((search_conditions[n].field_id == ID_BODY) || - xor(hits[n], search_conditions[n].negation)); n++); + mail_file = safe_fopen(mail_filename, "r", "mbox for mail extraction"); + /* fchmod(fileno(mail_file), 0x660); */ + fseek(mail_file, position_in_mail, SEEK_SET); + + if(fgets(raw_mbox_line, BUFFER_SIZE, mail_file)) { + fprintf(output_file, "%s", raw_mbox_line); + while(1) { + if(!fgets(raw_mbox_line, BUFFER_SIZE, mail_file) || + is_a_leading_from_line(raw_mbox_line)) + break; + fprintf(output_file, "%s", raw_mbox_line); + } + } - if(n == nb_search_conditions) { + fclose(mail_file); +} - /* all conditions but the body ones are fine, check the body - ones */ +int check_full_mail_match(char *current_mail_filename, + time_t mail_time, + int nb_search_conditions, + struct search_condition *search_conditions, + int nb_body_conditions, + int *hits, + int current_position_in_mail) { + int n, nb_fulfilled_body_conditions; - nb_fulfilled_body_conditions = 0; + for(n = 0; n < nb_search_conditions; n++) { + if(search_conditions[n].db_key == ID_TIME_INTERVAL) { + hits[n] = (mail_time >= search_conditions[n].time_start && + (search_conditions[n].time_stop == 0 || + mail_time <= search_conditions[n].time_stop)); + } + } - if(nb_body_conditions > 0) { - FILE *mail_file; - int header; + /* We first check all conditions but the body ones */ - header = 1; - mail_file = fopen(current_mail_filename, "r"); + for(n = 0; n < nb_search_conditions && + ((search_conditions[n].db_key == ID_BODY) || + xor(hits[n], search_conditions[n].negation)); n++); - if(!mail_file) { - fprintf(stderr, "mymail: Cannot open mbox '%s'.\n", current_mail_filename); - exit(EXIT_FAILURE); - } + if(n == nb_search_conditions) { - fseek(mail_file, current_position_in_mail, SEEK_SET); - - if(fgets(raw_mbox_line, BUFFER_SIZE, mail_file)) { - while(nb_fulfilled_body_conditions < nb_body_conditions) { - last_mbox_line_was_empty = (raw_mbox_line[0] == '\n'); - - if(last_mbox_line_was_empty) { header = 0; } - - if(!header) { - for(n = 0; n < nb_search_conditions; n++) { - if(search_conditions[n].field_id == ID_BODY && !hits[n]) { - hits[n] = - (regexec(&search_conditions[n].regexp, raw_mbox_line, 0, 0, 0) == 0); - if(hits[n]) { - fprintf(stderr, "** %d %s", header, raw_mbox_line); - nb_fulfilled_body_conditions++; - } - } - } - } - - if(!fgets(raw_mbox_line, BUFFER_SIZE, mail_file) || - (last_mbox_line_was_empty && strncmp(raw_mbox_line, "From ", 5) == 0)) break; - } - } + /* Now check the body ones */ - fclose(mail_file); - } + nb_fulfilled_body_conditions = 0; - if(nb_body_conditions == nb_fulfilled_body_conditions) { - FILE *mail_file; + if(nb_body_conditions > 0) { + update_body_hits(current_mail_filename, current_position_in_mail, + nb_search_conditions, search_conditions, + nb_body_conditions, + hits); - mail_file = fopen(current_mail_filename, "r"); + for(n = 0; n < nb_search_conditions; n++) { + if(search_conditions[n].db_key == ID_BODY && + xor(hits[n], search_conditions[n].negation)) { + nb_fulfilled_body_conditions++; + } + } + } + return nb_body_conditions == nb_fulfilled_body_conditions; + } else { + return 0; + } +} - if(!mail_file) { - fprintf(stderr, "mymail: Cannot open mbox '%s'.\n", current_mail_filename); - exit(EXIT_FAILURE); - } +/* We use the mail leading line time by default, and if we should and + can, we update with the Date: field */ - fseek(mail_file, current_position_in_mail, SEEK_SET); +void update_time(int db_key, const char *db_value, time_t *t) { + const char *c; + struct tm tm; - if(fgets(raw_mbox_line, BUFFER_SIZE, mail_file)) { - last_mbox_line_was_empty = 1; - printf("%s", raw_mbox_line); - while(1) { - if(!fgets(raw_mbox_line, BUFFER_SIZE, mail_file) || - (last_mbox_line_was_empty && strncmp(raw_mbox_line, "From ", 5) == 0)) break; - last_mbox_line_was_empty = (raw_mbox_line[0] == '\n'); - printf("%s", raw_mbox_line); - } - } + memset(&tm, 0, sizeof(struct tm)); - fclose(mail_file); + if(db_key == ID_LEADING_LINE) { + c = db_value; + while(*c && *c != ' ') c++; + while(*c && *c == ' ') c++; + /* printf("From %s", db_value); */ + strptime(c, "%a %b %e %k:%M:%S %Y", &tm); + *t = mktime(&tm); + } else { + if(!global_use_leading_time) { + if(db_key == ID_DATE) { + if(strptime(db_value, "%a, %d %b %Y %k:%M:%S", &tm) || + strptime(db_value, "%d %b %Y %k:%M:%S", &tm)) { + /* printf("Date: %s", db_value); */ + *t = mktime(&tm); } } + } + } +} - for(n = 0; n < nb_search_conditions; n++) { hits[n] = 0; } +int search_in_db(const char *db_filename, + int nb_extracted_mails, + int nb_search_conditions, + struct search_condition *search_conditions, + FILE *output_file) { - position_in_file_string = mbox_value; - mail_filename = segment_next_field(mbox_value); - current_position_in_mail = atol(position_in_file_string); - strcpy(current_mail_filename, mail_filename); + FILE *db_file; + char raw_db_line[BUFFER_SIZE]; + char current_mail_filename[PATH_MAX + 1]; + char db_key_string[TOKEN_BUFFER_SIZE]; + char position_in_file_string[TOKEN_BUFFER_SIZE]; + unsigned long int current_position_in_mail; + const char *db_value; + int db_key; + int hits[MAX_NB_SEARCH_CONDITIONS]; + int nb_body_conditions, need_time; + time_t mail_time; + + int m, n; + + if(!global_quiet) { + printf("Searching in '%s' ... ", db_filename); + fflush(stdout); + } + + db_file = safe_fopen(db_filename, "r", "index file for search"); + + /* First, check the db file leading line integrity */ + + if(fgets(raw_db_line, BUFFER_SIZE, db_file)) { + if(strncmp(raw_db_line, MYMAIL_DB_MAGIC_TOKEN, strlen(MYMAIL_DB_MAGIC_TOKEN))) { + fprintf(stderr, + "mymail: Header line in '%s' does not match the mymail db format.\n", + db_filename); + exit(EXIT_FAILURE); + } + } else { + fprintf(stderr, + "mymail: Cannot read the header line in '%s'.\n", + db_filename); + exit(EXIT_FAILURE); + } + + /* Then parse the said db file */ + + current_position_in_mail = 0; + + for(n = 0; n < nb_search_conditions; n++) { hits[n] = 0; } - remove_eof(current_mail_filename); - already_written = 0; + nb_body_conditions = 0; + need_time = global_discard_mail_from_the_future; + mail_time = 0; + + for(n = 0; n < nb_search_conditions; n++) { + if(search_conditions[n].db_key == ID_BODY) { + nb_body_conditions++; + } + else if(search_conditions[n].db_key == ID_TIME_INTERVAL) { + need_time = 1; + } + } + + strcpy(current_mail_filename, ""); + + while(nb_extracted_mails < global_nb_mails_max && + fgets(raw_db_line, BUFFER_SIZE, db_file)) { + + /* Removes the CR */ + char *s = raw_db_line; + while(*s && *s != '\n') { s++; } + *s = '\0'; + + db_value = parse_token(db_key_string, TOKEN_BUFFER_SIZE, ' ', raw_db_line); + + if(strcmp("mail", db_key_string) == 0) { + if(current_mail_filename[0] && + (!global_discard_mail_from_the_future || mail_time < global_current_time + 3600 * 24) && + check_full_mail_match(current_mail_filename, + mail_time, + nb_search_conditions, search_conditions, + nb_body_conditions, hits, current_position_in_mail)) { + extract_mail(current_mail_filename, current_position_in_mail, output_file); + nb_extracted_mails++; + } + + for(n = 0; n < nb_search_conditions; n++) { hits[n] = 0; } + db_value = parse_token(position_in_file_string, TOKEN_BUFFER_SIZE, ' ', db_value); + strncpy(current_mail_filename, db_value, PATH_MAX + 1); + current_position_in_mail = atol(position_in_file_string); } else { - mbox_id = -1; - for(m = 0; (m < MAX_ID) && mbox_id == -1; m++) { - if(strncmp(field_names[m], mbox_name, strlen(mbox_name)) == 0) { - mbox_id = m; + db_key = -1; + for(m = 0; (m < MAX_ID) && db_key == -1; m++) { + if(strncmp(field_keys[m], db_key_string, strlen(db_key_string)) == 0) { + db_key = m; } } + for(n = 0; n < nb_search_conditions; n++) { - hits[n] |= mbox_line_match_search(&search_conditions[n], - mbox_id, mbox_value); + hits[n] |= db_line_match_search(&search_conditions[n], + db_key, db_value); + } + + if(need_time) { + update_time(db_key, db_value, &mail_time); } } } + + /* printf("global_discard_mail_from_the_future = %d\n", + global_discard_mail_from_the_future); */ + + if(nb_extracted_mails < global_nb_mails_max && + current_mail_filename[0] && + (!global_discard_mail_from_the_future || mail_time < global_current_time + 3600 * 24) && + check_full_mail_match(current_mail_filename, + mail_time, + nb_search_conditions, search_conditions, + nb_body_conditions, hits, current_position_in_mail)) { + extract_mail(current_mail_filename, current_position_in_mail, output_file); + nb_extracted_mails++; + } + + fclose(db_file); + + if(!global_quiet) { + printf("done.\n"); + fflush(stdout); + } + + return nb_extracted_mails; } -void recursive_search_in_db(const char *entry_name, regex_t *db_filename_regexp, - int nb_search_conditions, struct search_condition *search_conditions) { +int recursive_search_in_db(const char *entry_name, regex_t *db_filename_regexp, + int nb_extracted_mails, + int nb_search_conditions, + struct search_condition *search_conditions, + FILE *output_file) { DIR *dir; struct dirent *dir_e; struct stat sb; - char raw_db_line[BUFFER_SIZE]; char subname[PATH_MAX + 1]; if(lstat(entry_name, &sb) != 0) { @@ -362,14 +626,19 @@ void recursive_search_in_db(const char *entry_name, regex_t *db_filename_regexp, exit(EXIT_FAILURE); } + /* printf("recursive_search_in_db %s\n", entry_name); */ + dir = opendir(entry_name); if(dir) { - while((dir_e = readdir(dir))) { + while((dir_e = readdir(dir)) && + nb_extracted_mails < global_nb_mails_max) { if(!ignore_entry(dir_e->d_name)) { snprintf(subname, PATH_MAX, "%s/%s", entry_name, dir_e->d_name); - recursive_search_in_db(subname, db_filename_regexp, - nb_search_conditions, search_conditions); + nb_extracted_mails = recursive_search_in_db(subname, db_filename_regexp, + nb_extracted_mails, + nb_search_conditions, search_conditions, + output_file); } } closedir(dir); @@ -380,47 +649,27 @@ void recursive_search_in_db(const char *entry_name, regex_t *db_filename_regexp, while(*s) { if(*s == '/') { filename = s+1; } s++; } if(regexec(db_filename_regexp, filename, 0, 0, 0) == 0) { - FILE *db_file = fopen(entry_name, "r"); - - if(!db_file) { - fprintf(stderr, - "mymail: Cannot open \"%s\" for reading: %s\n", - db_filename, - strerror(errno)); - exit(EXIT_FAILURE); - } - - if(fgets(raw_db_line, BUFFER_SIZE, db_file)) { - if(strncmp(raw_db_line, MYMAIL_DB_MAGIC_TOKEN, strlen(MYMAIL_DB_MAGIC_TOKEN))) { - fprintf(stderr, - "mymail: Header line in '%s' does not match the mymail db format.\n", - entry_name); - exit(EXIT_FAILURE); - } - } else { - fprintf(stderr, - "mymail: Cannot read the header line in '%s'.\n", - entry_name); - exit(EXIT_FAILURE); - } - - search_in_db(nb_search_conditions, search_conditions, db_file); - - fclose(db_file); + nb_extracted_mails = + search_in_db(entry_name, + nb_extracted_mails, + nb_search_conditions, search_conditions, output_file); } } + + return nb_extracted_mails; } /*********************************************************************/ -void index_one_mbox_line(int nb_fields_to_parse, struct parsable_field *fields_to_parse, +void index_one_mbox_line(unsigned int nb_fields_to_parse, + struct parsable_field *fields_to_parse, char *raw_mbox_line, FILE *db_file) { regmatch_t matches; - int f; + unsigned int f; for(f = 0; f < nb_fields_to_parse; f++) { if(regexec(&fields_to_parse[f].regexp, raw_mbox_line, 1, &matches, 0) == 0) { fprintf(db_file, "%s %s\n", - field_names[fields_to_parse[f].id], + field_keys[fields_to_parse[f].id], raw_mbox_line + matches.rm_eo); } } @@ -432,16 +681,10 @@ void index_mbox(const char *mbox_filename, char raw_mbox_line[BUFFER_SIZE], full_line[BUFFER_SIZE]; char *end_of_full_line; FILE *file; - int in_header, new_header, last_mbox_line_was_empty; + int in_header, new_header; unsigned long int position_in_file; - file = fopen(mbox_filename, "r"); - - if(!file) { - fprintf(stderr, "mymail: Cannot open '%s'.\n", mbox_filename); - if(paranoid) { exit(EXIT_FAILURE); } - return; - } + file = safe_fopen(mbox_filename, "r", "mbox for indexing"); in_header = 0; new_header = 0; @@ -449,25 +692,34 @@ void index_mbox(const char *mbox_filename, position_in_file = 0; end_of_full_line = 0; full_line[0] = '\0'; - last_mbox_line_was_empty = 1; while(fgets(raw_mbox_line, BUFFER_SIZE, file)) { - if(last_mbox_line_was_empty && strncmp(raw_mbox_line, "From ", 5) == 0) { + if(is_a_leading_from_line(raw_mbox_line)) { + /* This starts a new mail */ if(in_header) { fprintf(stderr, "Got a ^\"From \" in the header in %s:%lu.\n", mbox_filename, position_in_file); fprintf(stderr, "%s", raw_mbox_line); - if(paranoid) { exit(EXIT_FAILURE); } } + + /* printf("LEADING_LINE %s", raw_mbox_line); */ + in_header = 1; new_header = 1; } else if(raw_mbox_line[0] == '\n') { - if(in_header) { in_header = 0; } + if(in_header) { + in_header = 0; + /* We leave the header, index the current line */ + if(full_line[0]) { + /* printf("INDEX %s\n", full_line); */ + index_one_mbox_line(nb_fields_to_parse, fields_to_parse, full_line, db_file); + } + end_of_full_line = full_line; + *end_of_full_line = '\0'; + } } - last_mbox_line_was_empty = (raw_mbox_line[0] == '\n'); - if(in_header) { if(new_header) { fprintf(db_file, "mail %lu %s\n", position_in_file, mbox_filename); @@ -475,6 +727,7 @@ void index_mbox(const char *mbox_filename, } if(raw_mbox_line[0] == ' ' || raw_mbox_line[0] == '\t') { + /* Continuation of a line */ char *start = raw_mbox_line; while(*start == ' ' || *start == '\t') start++; *(end_of_full_line++) = ' '; @@ -486,17 +739,10 @@ void index_mbox(const char *mbox_filename, } else { - /* - if(!((raw_mbox_line[0] >= 'a' && raw_mbox_line[0] <= 'z') || - (raw_mbox_line[0] >= 'A' && raw_mbox_line[0] <= 'Z'))) { - fprintf(stderr, - "Header line syntax error %s:%lu.\n", - mbox_filename, position_in_file); - fprintf(stderr, "%s", raw_mbox_line); - } - */ + /* Start a new header line, not a continuation */ if(full_line[0]) { + /* printf("INDEX %s\n", full_line); */ index_one_mbox_line(nb_fields_to_parse, fields_to_parse, full_line, db_file); } @@ -517,7 +763,7 @@ void index_mbox(const char *mbox_filename, } void recursive_index_mbox(FILE *db_file, - const char *entry_name, + const char *entry_name, regex_t *mbox_filename_regexp, int nb_fields_to_parse, struct parsable_field *fields_to_parse) { DIR *dir; struct dirent *dir_e; @@ -538,12 +784,17 @@ void recursive_index_mbox(FILE *db_file, while((dir_e = readdir(dir))) { if(!ignore_entry(dir_e->d_name)) { snprintf(subname, PATH_MAX, "%s/%s", entry_name, dir_e->d_name); - recursive_index_mbox(db_file, subname, nb_fields_to_parse, fields_to_parse); + recursive_index_mbox(db_file, subname, mbox_filename_regexp, + nb_fields_to_parse, fields_to_parse); } } closedir(dir); } else { - index_mbox(entry_name, nb_fields_to_parse, fields_to_parse, db_file); + const char *s = entry_name, *filename = s; + while(*s) { if(*s == '/') { filename = s+1; }; s++; } + if(!mbox_filename_regexp || regexec(mbox_filename_regexp, filename, 0, 0, 0) == 0) { + index_mbox(entry_name, nb_fields_to_parse, fields_to_parse, db_file); + } } } @@ -558,40 +809,305 @@ enum { static struct option long_options[] = { { "help", no_argument, 0, 'h' }, { "version", no_argument, 0, 'v' }, - { "db-file", 1, 0, 'd' }, + { "quiet", no_argument, 0, 'q' }, + { "use-leading-time", no_argument, 0, 't' }, + { "do-not-discard-mails-from-the-future", no_argument, 0, 'f' }, + { "db-file-output", 1, 0, 'd' }, { "db-pattern", 1, 0, 'p' }, { "db-root", 1, 0, 'r' }, { "db-list", 1, 0, 'l' }, + { "mbox-pattern", 1, 0, 'm' }, { "search", 1, 0, 's' }, { "index", 0, 0, 'i' }, + { "output", 1, 0, 'o' }, + { "default-search", 1, 0, 'a' }, + { "nb-mails-max", 1, 0, 'n' }, { 0, 0, 0, 0 } }; +struct time_criterion { + char *label; + int day_criterion; + int start_hour, end_hour; + int past_week_day; +}; + +/*********************************************************************/ + +static struct time_criterion time_criteria[] = { + + { "1h", 0, 1, -1, -1 }, + { "2h", 0, 2, -1, -1 }, + { "4h", 0, 4, -1, -1 }, + { "8h", 0, 8, -1, -1 }, + { "24h", 0, 24, -1, -1 }, + { "48h", 0, 48, -1, -1 }, + { "week", 0, 24 * 7, -1, -1 }, + { "2weeks", 0, 24 * 14, -1, -1 }, + { "month", 0, 24 * 31, -1, -1 }, + { "semester", 0, 24 * 185, -1, -1 }, + { "trimester", 0, 24 * 92, -1, -1 }, + { "year", 0, 24 * 365, -1, -1 }, + + { "yesterday", 1, -1, -1, -1 }, + { "today", 1, -1, -1, 0 }, + + { "monday", 1, -1, -1, 1 }, + { "tuesday", 1, -1, -1, 2 }, + { "wednesday", 1, -1, -1, 3 }, + { "thursday", 1, -1, -1, 4 }, + { "friday", 1, -1, -1, 5 }, + { "saturday", 1, -1, -1, 6 }, + { "sunday", 1, -1, -1, 7 }, + +}; + +/*********************************************************************/ + +time_t time_for_past_day(int day) { + struct tm *tm; + int delta_day; + tm = localtime(&global_current_time); + if(day > 0) { + delta_day = (7 + tm->tm_wday - day) % 7; + } else { + delta_day = - day; + } + return global_current_time - (delta_day * 3600 * 24 + tm->tm_sec + 60 * tm->tm_min + 3600 * tm->tm_hour); +} + +void init_condition(struct search_condition *condition, const char *full_string, + const char *default_search_field) { + char full_search_field[TOKEN_BUFFER_SIZE], *search_field; + unsigned int k, m; + const char *string; + struct alias_node *a; + + for(a = global_alias_list; a; a = a->next) { + if(strcmp(full_string, a->alias) == 0) { + full_string = a->value; + break; + } + } + + string = parse_token(full_search_field, TOKEN_BUFFER_SIZE, ' ', full_string); + search_field = full_search_field; + + if(search_field[0] == '!') { + search_field++; + condition->negation = 1; + } else { + condition->negation = 0; + } + + condition->db_key = -1; + + /* Time condition */ + + for(k = 0; k < sizeof(time_criteria) / sizeof(struct time_criterion); k++) { + if(strcmp(time_criteria[k].label, search_field) == 0) { + condition->db_key = ID_TIME_INTERVAL; + if(time_criteria[k].day_criterion) { + condition->time_start = time_for_past_day(time_criteria[k].past_week_day); + condition->time_stop = condition->time_start + 3600 * 24; + } else { + condition->time_start = global_current_time - 3600 * time_criteria[k].start_hour; + if(time_criteria[k].end_hour >= 0) { + condition->time_stop = global_current_time - 3600 * time_criteria[k].end_hour; + } else { + condition->time_stop = 0; + } + } + + break; + } + } + + if(condition->db_key == -1) { + + /* No time condition matched, look for the search fields */ + + for(m = 0; (m < MAX_ID) && condition->db_key == -1; m++) { + if(strncmp(field_keys[m], search_field, strlen(search_field)) == 0) { + condition->db_key = m; + } + } + + /* None match, if there is a default search field, re-run the search with it */ + + if(condition->db_key == -1) { + if(default_search_field) { + for(m = 0; (m < MAX_ID) && condition->db_key == -1; m++) { + if(strncmp(field_keys[m], + default_search_field, strlen(default_search_field)) == 0) { + condition->db_key = m; + } + } + string = full_string; + if(string[0] == '!') { string++; } + } + } + + if(condition->db_key == -1) { + fprintf(stderr, + "mymail: Syntax error in field key \"%s\".\n", + search_field); + exit(EXIT_FAILURE); + } + + if(regcomp(&condition->db_value_regexp, + string, + REG_ICASE)) { + fprintf(stderr, + "mymail: Syntax error in regexp \"%s\" for field \"%s\".\n", + string, + field_keys[condition->db_key]); + exit(EXIT_FAILURE); + } + } +} + +void free_condition(struct search_condition *condition) { + if(condition->db_key != ID_TIME_INTERVAL) { + regfree(&condition->db_value_regexp); + } +} + +const char *eat_space(const char *s) { + while(*s == ' ' || *s == '\t') { s++; } + return s; +} + +void read_rc_file(const char *rc_filename) { + char raw_line[BUFFER_SIZE]; + char command[TOKEN_BUFFER_SIZE], tmp_token[TOKEN_BUFFER_SIZE]; + + FILE *rc_file; + int line_number; + const char *s; + char *t; + + rc_file = fopen(rc_filename, "r"); + + if(rc_file) { + line_number = 1; + while(fgets(raw_line, BUFFER_SIZE, rc_file)) { + t = raw_line; + while(*t) { if(*t == '\n') { *t = '\0'; }; t++; } + + s = raw_line; + s = eat_space(s); + + if(*s && *s != '#') { + s = parse_token(command, TOKEN_BUFFER_SIZE, ' ', s); + + if(strcmp(command, "alias") == 0) { + struct alias_node *a = safe_malloc(sizeof(struct alias_node)); + a->next = global_alias_list; + global_alias_list = a; + if(s) { + s = eat_space(s); + s = parse_token(tmp_token, TOKEN_BUFFER_SIZE, '=', s); + a->alias = strdup(tmp_token); + if(s) { + s = eat_space(s); + a->value = strdup(s); + } else { + fprintf(stderr, "%s:%d syntax error, missing alias value.\n", + rc_filename, + line_number); + exit(EXIT_FAILURE); + } + } else { + fprintf(stderr, "%s:%d syntax error, missing alias key.\n", + rc_filename, + line_number); + exit(EXIT_FAILURE); + } + } else { + fprintf(stderr, "%s:%d syntax error, unknown command '%s'.\n", + rc_filename, + line_number, + command); + exit(EXIT_FAILURE); + } + } + + line_number++; + } + fclose(rc_file); + } +} + +/*********************************************************************/ +/*********************************************************************/ /*********************************************************************/ int main(int argc, char **argv) { + char *db_filename = 0; + char *db_filename_regexp_string = 0; + char *db_root_path = 0; + char *db_filename_list = 0; + char *mbox_filename_regexp_string = 0; + char *default_search_field; + char output_filename[PATH_MAX + 1]; + char rc_filename[PATH_MAX + 1]; + int action_index = 0; int error = 0, show_help = 0; - const int nb_fields_to_parse = sizeof(fields_to_parse) / sizeof(struct parsable_field); + const unsigned int nb_fields_to_parse = + sizeof(fields_to_parse) / sizeof(struct parsable_field); char c; - int f; - int nb_search_conditions; - char *search_condition_strings[MAX_NB_SEARCH_CONDITIONS]; + unsigned int f, n; + unsigned int nb_search_conditions; + struct search_condition search_conditions[MAX_NB_SEARCH_CONDITIONS]; + struct alias_node *a, *b; - /* for(f = 0; f < argc; f++) { */ - /* printf("arg %d \"%s\"\n", f, argv[f]); */ - /* } */ + /* Group and others have no access */ + umask(S_IRWXG | S_IRWXO); - paranoid = 0; - action_index = 0; - db_filename = 0; - db_root_path = 0; - db_filename_list = 0; + if(regcomp(&global_leading_from_line_regexp, LEADING_FROM_LINE_REGEXP_STRING, 0)) { + fprintf(stderr, + "mymail: Cannot compile leading \"from\" line regexp. That is strange.\n"); + exit(EXIT_FAILURE); + } + + if(getenv("MYMAILRC")) { + sprintf(rc_filename, "%s", getenv("MYMAILRC")); + } else if(getenv("HOME")) { + sprintf(rc_filename, "%s/.mymailrc", getenv("HOME")); + } else { + rc_filename[0] = '\0'; + } + + global_alias_list = 0; + global_quiet = 0; + global_use_leading_time = 0; + global_nb_mails_max = 250; + global_discard_mail_from_the_future = 1; + global_current_time = time(0); + + default_search_field = 0; + strncpy(output_filename, "", PATH_MAX); + + if(rc_filename[0]) { + read_rc_file(rc_filename); + } + + /* + { + #warning Test code added on 2013 May 02 11:17:01 + struct alias_node *a; + for(a = global_alias_list; a; a = a->next) { + printf ("ALIAS [%s] [%s]\n", a->alias, a->value); + } + } + */ setlocale(LC_ALL, ""); nb_search_conditions = 0; - while ((c = getopt_long(argc, argv, "hvip:s:d:r:l:", + while ((c = getopt_long(argc, argv, "hvqtfip:s:d:r:l:o:a:m:", long_options, NULL)) != -1) { switch(c) { @@ -604,23 +1120,63 @@ int main(int argc, char **argv) { print_version(stdout); break; + case 'q': + global_quiet = 1; + break; + + case 't': + global_use_leading_time = 1; + break; + + case 'f': + global_discard_mail_from_the_future = 0; + break; + case 'i': action_index = 1; break; case 'd': + if(db_filename) { + fprintf(stderr, "mymail: Can not set the db filename twice.\n"); + exit(EXIT_FAILURE); + } db_filename = strdup(optarg); break; case 'p': + if(db_filename_regexp_string) { + fprintf(stderr, "mymail: Can not set the db filename pattern twice.\n"); + exit(EXIT_FAILURE); + } db_filename_regexp_string = strdup(optarg); break; + case 'm': + if(mbox_filename_regexp_string) { + fprintf(stderr, "mymail: Can not set the mbox filename pattern twice.\n"); + exit(EXIT_FAILURE); + } + mbox_filename_regexp_string = strdup(optarg); + break; + + case 'o': + strncpy(output_filename, optarg, PATH_MAX); + break; + case 'r': + if(db_root_path) { + fprintf(stderr, "mymail: Can not set the db root path twice.\n"); + exit(EXIT_FAILURE); + } db_root_path = strdup(optarg); break; case 'l': + if(db_filename_list) { + fprintf(stderr, "mymail: Can not set the db filename list twice.\n"); + exit(EXIT_FAILURE); + } db_filename_list = strdup(optarg); break; @@ -629,48 +1185,21 @@ int main(int argc, char **argv) { fprintf(stderr, "mymail: Too many search patterns.\n"); exit(EXIT_FAILURE); } - search_condition_strings[nb_search_conditions++] = strdup(optarg); + init_condition(&search_conditions[nb_search_conditions], optarg, default_search_field); + nb_search_conditions++; break; - default: - error = 1; + case 'a': + default_search_field = optarg; break; - } - } - - if(!db_filename) { - char *default_db_filename = getenv("MYMAIL_DB_FILE"); - - if(!default_db_filename) { - default_db_filename = "mymail.db"; - } - - db_filename = strdup(default_db_filename); - } - - if(!db_filename_regexp_string) { - char *default_db_filename_regexp_string = getenv("MYMAIL_DB_PATTERN"); - - if(!default_db_filename_regexp_string) { - default_db_filename_regexp_string = "^mymail.db$"; - } - db_filename_regexp_string = strdup(default_db_filename_regexp_string); - } - - if(!db_root_path) { - char *default_db_root_path = getenv("MYMAIL_DB_ROOT"); - - if(default_db_root_path) { - db_root_path = strdup(default_db_root_path); - } - } - - if(!db_filename_list) { - char *default_db_filename_list = getenv("MYMAIL_DB_LIST"); + case 'n': + global_nb_mails_max = atoi(optarg); + break; - if(default_db_filename_list) { - db_filename_list = strdup(default_db_filename_list); + default: + error = 1; + break; } } @@ -684,89 +1213,104 @@ int main(int argc, char **argv) { exit(EXIT_SUCCESS); } + /* Set all the values that may defined in the arguments, through + environment variables, or hard-coded */ + + db_filename = default_value(db_filename, + "MYMAIL_DB_FILE", + "mymail.db"); + + db_filename_regexp_string = default_value(db_filename_regexp_string, + "MYMAIL_DB_FILE", + "\\.db$"); + + db_root_path = default_value(db_root_path, + "MYMAIL_DB_ROOT", + 0); + + db_filename_list = default_value(db_filename_list, + "MYMAIL_DB_LIST", + 0); + + mbox_filename_regexp_string = default_value(mbox_filename_regexp_string, + "MYMAIL_MBOX_PATTERN", + 0); + + /* mbox indexing */ + if(action_index) { FILE *db_file; + regex_t mbox_filename_regexp_static; + regex_t *mbox_filename_regexp; - db_file = fopen(db_filename, "w"); - - if(!db_file) { - fprintf(stderr, - "mymail: Cannot open \"%s\" for writing: %s\n", - db_filename, - strerror(errno)); - exit(EXIT_FAILURE); + if(mbox_filename_regexp_string) { + if(regcomp(&mbox_filename_regexp_static, + mbox_filename_regexp_string, + 0)) { + fprintf(stderr, + "mymail: Syntax error in regexp \"%s\".\n", + mbox_filename_regexp_string); + exit(EXIT_FAILURE); + } + mbox_filename_regexp = &mbox_filename_regexp_static; + } else { + mbox_filename_regexp = 0; } + db_file = safe_fopen(db_filename, "w", "index file for indexing"); + for(f = 0; f < nb_fields_to_parse; f++) { if(regcomp(&fields_to_parse[f].regexp, fields_to_parse[f].regexp_string, - REG_ICASE)) { + fields_to_parse[f].cflags)) { fprintf(stderr, "mymail: Syntax error in regexp \"%s\" for field \"%s\".\n", fields_to_parse[f].regexp_string, - field_names[fields_to_parse[f].id]); + field_keys[fields_to_parse[f].id]); exit(EXIT_FAILURE); } } - fprintf(db_file, "%s version_%s raw\n", MYMAIL_DB_MAGIC_TOKEN, VERSION); + fprintf(db_file, + "%s version_%s format_%d raw\n", + MYMAIL_DB_MAGIC_TOKEN, + MYMAIL_VERSION, + MYMAIL_DB_FORMAT_VERSION); while(optind < argc) { recursive_index_mbox(db_file, - argv[optind], + argv[optind], mbox_filename_regexp, nb_fields_to_parse, fields_to_parse); optind++; } + fflush(db_file); fclose(db_file); + if(mbox_filename_regexp) { + regfree(mbox_filename_regexp); + } + for(f = 0; f < nb_fields_to_parse; f++) { regfree(&fields_to_parse[f].regexp); } } - else { - - if(nb_search_conditions > 0) { - struct search_condition search_conditions[MAX_NB_SEARCH_CONDITIONS]; - char *search_field, *search_regexp_string; - int m, n; + /* Mail search */ - for(n = 0; n < nb_search_conditions; n++) { - search_field = search_condition_strings[n]; - search_regexp_string = segment_next_field(search_condition_strings[n]); + else { - if(search_field[0] == '!') { - search_field++; - search_conditions[n].negation = 1; - } else { - search_conditions[n].negation = 0; - } + FILE *output_file; + int nb_extracted_mails = 0; - search_conditions[n].field_id = -1; - for(m = 0; (m < MAX_ID) && search_conditions[n].field_id == -1; m++) { - if(strncmp(field_names[m], search_field, strlen(search_field)) == 0) { - search_conditions[n].field_id = m; - } - } - - if(search_conditions[n].field_id == -1) { - fprintf(stderr, - "mymail: Syntax error in field name \"%s\".\n", - search_field); - exit(EXIT_FAILURE); - } + if(output_filename[0]) { + output_file = safe_fopen(output_filename, "w", "result mbox"); + } else { + output_file = stdout; + global_quiet = 1; + } - if(regcomp(&search_conditions[n].regexp, - search_regexp_string, - REG_ICASE)) { - fprintf(stderr, - "mymail: Syntax error in regexp \"%s\" for field \"%s\".\n", - search_regexp_string, - field_names[search_conditions[n].field_id]); - exit(EXIT_FAILURE); - } - } + if(nb_search_conditions > 0) { /* Recursive search if db_root_path is set */ @@ -781,8 +1325,10 @@ int main(int argc, char **argv) { exit(EXIT_FAILURE); } - recursive_search_in_db(db_root_path, &db_filename_regexp, - nb_search_conditions, search_conditions); + nb_extracted_mails = recursive_search_in_db(db_root_path, &db_filename_regexp, + nb_extracted_mails, + nb_search_conditions, search_conditions, + output_file); regfree(&db_filename_regexp); } @@ -791,31 +1337,18 @@ int main(int argc, char **argv) { if(db_filename_list) { char db_filename[PATH_MAX + 1]; - char *s, *t; - FILE *db_file; + const char *s; s = db_filename_list; while(*s) { - t = db_filename; - while(*s == ';') { s++; } - while(*s && *s != ';') { *t++ = *s++; } - *t++ = '\0'; + s = parse_token(db_filename, PATH_MAX + 1, ';', s); if(db_filename[0]) { - db_file = fopen(db_filename, "r"); - - if(!db_file) { - fprintf(stderr, - "mymail: Cannot open \"%s\" for reading: %s\n", - argv[optind], - strerror(errno)); - exit(EXIT_FAILURE); - } - - search_in_db(nb_search_conditions, search_conditions, db_file); - - fclose(db_file); + nb_extracted_mails = + search_in_db(db_filename, + nb_extracted_mails, + nb_search_conditions, search_conditions, output_file); } } } @@ -823,33 +1356,49 @@ int main(int argc, char **argv) { /* Search in all db files listed in the command arguments */ while(optind < argc) { - FILE *db_file = fopen(argv[optind], "r"); - - if(!db_file) { - fprintf(stderr, - "mymail: Cannot open \"%s\" for reading: %s\n", - argv[optind], - strerror(errno)); - exit(EXIT_FAILURE); - } - - search_in_db(nb_search_conditions, search_conditions, db_file); - - fclose(db_file); + nb_extracted_mails = + search_in_db(argv[optind], + nb_extracted_mails, + nb_search_conditions, search_conditions, output_file); optind++; } + } - for(n = 0; n < nb_search_conditions; n++) { - regfree(&search_conditions[n].regexp); - free(search_condition_strings[n]); + if(!global_quiet) { + if(nb_extracted_mails > 0) { + printf("Found %d matching mails.\n", nb_extracted_mails); + } else { + printf("No matching mail found.\n"); } } + + fflush(output_file); + + if(output_file != stdout) { + fclose(output_file); + } + } + + for(n = 0; n < nb_search_conditions; n++) { + free_condition(&search_conditions[n]); + } + + a = global_alias_list; + while(a) { + b = a->next; + free(a->alias); + free(a->value); + free(a); + a = b; } free(db_filename); free(db_filename_regexp_string); free(db_root_path); free(db_filename_list); + free(mbox_filename_regexp_string); + + regfree(&global_leading_from_line_regexp); exit(EXIT_SUCCESS); }