mblaze

Unix utilities to deal with Maildir - my mirror
git clone https://pi.duncano.de/git/mblaze.git
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commit 612d1564cc5bb9a3af890ceecc2652ccc0ae4197
parent 18c6351b00401bd7d21fd7525bfdb396c4cd744d
Author: Christian Neukirchen <chneukirchen@gmail.com>
Date:   Tue,  2 Aug 2016 15:50:30 +0200

add magrep

Diffstat:
Makefile | 3++-
README | 1+
magrep.c | 116+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
man/mblaze.7 | 2++
4 files changed, 121 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile @@ -1,10 +1,11 @@ CFLAGS=-g -O2 -Wall -Wno-switch -Wextra -fstack-protector-strong -D_FORTIFY_SOURCE=2 -ALL = maddr mdeliver mdirs mflag mgenmid mhdr minc mlist mmime mpick mscan msed mseq mshow msort mthread +ALL = maddr magrep mdeliver mdirs mflag mgenmid mhdr minc mlist mmime mpick mscan msed mseq mshow msort mthread all: $(ALL) maddr: maddr.o blaze822.o seq.o rfc2047.o mymemmem.o +magrep: magrep.o blaze822.o seq.o rfc2047.o mymemmem.o mdeliver: mdeliver.o blaze822.o mymemmem.o mdirs: mdirs.o mflag: mflag.o blaze822.o seq.o mymemmem.o diff --git a/README b/README @@ -12,6 +12,7 @@ DESCRIPTION mblaze consists of a set of Unix tools that each do one job: maddr(1) to extract addresses from mail + magrep(1) to find mails matching a pattern mcomp(1) to write and send mail mdeliver(1) to deliver messages or import mailboxes mdirs(1) to find Maildirs diff --git a/magrep.c b/magrep.c @@ -0,0 +1,116 @@ +#include <sys/stat.h> +#include <sys/types.h> + +#include <ctype.h> +#include <errno.h> +#include <regex.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#include "blaze822.h" + +static int aflag; +static int cflag; +static int dflag; +static int iflag; +static int qflag; +static int vflag; +static long matches; + +static regex_t pattern; +static char *header; + +int +match(char *file, char *s) +{ + if (vflag ^ (regexec(&pattern, s, 0, 0, 0) == 0)) { + if (qflag) + exit(0); + if (!cflag) + printf("%s\n", file); + matches++; + return 1; + } + + return 0; +} + +void +magrep(char *file) +{ + char *filename = file; + while (*filename == ' ' || *filename == '\t') + filename++; + + struct message *msg = blaze822(filename); + if (!msg) + return; + + char *v = blaze822_chdr(msg, header); + if (v) { + if (dflag) { + char d[4096]; + blaze822_decode_rfc2047(d, v, sizeof d, "UTF-8"); + match(file, d); + } else if (aflag) { + char *disp, *addr; + while ((v = blaze822_addr(v, &disp, &addr))) { + if (addr && match(file, addr)) + break; + } + } else { + match(file, v); + } + } + + blaze822_free(msg); +} + +int +main(int argc, char *argv[]) +{ + int c; + while ((c = getopt(argc, argv, "acdiqv")) != -1) + switch(c) { + case 'a': aflag = 1; break; + case 'c': cflag = 1; break; + case 'd': dflag = 1; break; + case 'i': iflag = REG_ICASE; break; + case 'q': qflag = 1; break; + case 'v': vflag = 1; break; + default: + usage: + fprintf(stderr, +"Usage: magrep [-c|-q] [-v] [-i] [-a|-d] header:regex [msgs...]\n"); + exit(2); + } + + if (argc == optind) + goto usage; + header = argv[optind++]; + + char *rx = strchr(header, ':'); + if (!rx) + goto usage; + + *rx++ = 0; + int r = regcomp(&pattern, rx, REG_EXTENDED | iflag); + if (r != 0) { + char buf[256]; + regerror(r, &pattern, buf, sizeof buf); + fprintf(stderr, "magrep: regex error: %s\n", buf); + exit(2); + } + + if (argc == optind && isatty(0)) + blaze822_loop1(":", magrep); + else + blaze822_loop(argc-optind, argv+optind, magrep); + + if (cflag) + printf("%ld\n", matches); + + return !matches; +} diff --git a/man/mblaze.7 b/man/mblaze.7 @@ -18,6 +18,8 @@ consists of a set of Unix tools that each do one job: .Bl -tag -width 11n -compact .It Xr maddr 1 to extract addresses from mail +.It Xr magrep 1 +to find mails matching a pattern .It Xr mcomp 1 to write and send mail .It Xr mdeliver 1